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國 立 交 通 大 學 電信工程學系 碩 士 論 文 全球微波存取互通介面高增益天線陣列及電磁帶隙結構之 應用 Worldwide Interoperability for Microwave Access (WiMAX) High Gain Antenna Arrays with Electromagnetic Band-Gap Structure’s Applications 研 究 生:陳建宏 (Jiang-Hong Chen) 指導教授:林育德 博士 (Dr. Yu-De Lin) 中 華 民 國 九 十 七 年 六 月

國 立 交 通 大 學 電信工程學系 碩 士 論 文 · 國 立 交 通 大 學 電信工程學系 碩 士 論 文 全球微波存取互通介面高增益天線陣列及電磁帶隙結構之

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國 立 交 通 大 學

電信工程學系

碩 士 論 文

全球微波存取互通介面高增益天線陣列及電磁帶隙結構之

應用

Worldwide Interoperability for Microwave Access (WiMAX) High Gain

Antenna Arrays with Electromagnetic Band-Gap Structurersquos Applications

研 究 生陳建宏 (Jiang-Hong Chen)

指導教授林育德 博士 (Dr Yu-De Lin)

中 華 民 國 九 十 七 年 六 月

國 立 交 通 大 學

電信工程學系碩士班

碩士論文

全球微波存取互通介面高增益天線陣列及電磁帶隙結構之應用

Worldwide Interoperability for Microwave Access (WiMAX) High Gain

Antenna Arrays with Electromagnetic Band-Gap Structurersquos Applications

研究生 陳建宏 (Jiang-Hong Chen)

指導教授 林育德 博士 (Dr Yu-De Lin)

中華民國 九十七年六月

全球微波存取互通介面高增益天線陣列及電磁帶隙結構之應用

Worldwide Interoperability for Microwave Access (WiMAX) High Gain

Antenna Arrays with Electromagnetic Band-Gap Structurersquos Applications

研究生 陳建宏 Student Jiang-Hong Chen

指導教授 林育德 博士 Advisor Dr Yu-De Lin

國 立 交 通 大 學

電信工程學系碩士班

碩士論文

A Thesis

Submitted to Department of Communication Engineering

College of Electrical Engineering and Computer Science

National Chiao Tung University

In Partial Fulfillment of the Requirements

For the Degree of

Master of Science

In

Communication Engineering

June 2008

Hsinchu Taiwan Republic of China

中 華 民 國 九 十 七 年 六 月

i

全球微波存取互通介面高增益天線陣列及電磁帶隙結構之

應用

研究生陳建宏 指導教授林育德 博士

國立交通大學 電信工程學系

摘要

全球微波存取互通介面(Worldwide Interoperability for Microwave Access

WiMAX)具有無線遠距傳輸寬頻等優點將是下一代無線通訊系統標準之ㄧ

本論文中我們將研究適用於 34GHz-37GHz 頻段的高增益天線陣列並且能

夠符合歐洲電信標準局(European Telecommunication Standards Institute ETSI)規

範的要求

我們藉由提升微帶天線結構的高度來使設計的天線陣列能符合此系統頻段

的頻寬與增益要求

在論文中我們設計無鉚釘(via)的電磁帶隙結構(electromagnetic band-gap

EBG)也有人將此種結構稱為光子能隙(photonic band-gapPBG)透過結合微

帶天線可以了解電磁帶隙對天線性能的影響更進一步改善微帶天線的輻射場

形抑制介質中表面波的激發

ii

Worldwide Interoperability for Microwave Access (WiMAX)

High Gain Antenna Arrays with Electromagnetic Band-Gap

Structurersquos Applications

Student Jiang-Hong Chen Advisor Dr Yu-De Lin

Department of Communication Engineering

National Chiao Tung University

Abstract

WiMAX (Worldwide Interoperability for Microwave Access) has the

advantages wireless far-distance transmission and wideband It will be one of the

wireless communication system standards in the next generation In this thesis we

will research high gain antenna arrays suitable for 34GHz-37GHz WiMAX

communication system and it also satisfies ETSI specification

We use microstrip antennas by increasing the height of antenna structure to let

the antenna arrays can conform to this system bandwidth and gain requirement

In this thesis we will design an electromagnetic band-gap(EBG) structure

without via We also label it to photonic band-gap(PBG) By combining it with

microstrip antenna we can understand its effects on the properties of antenna

Further more we can improve the radiation patter of the microstrip antenna and

suppress surface waversquos exitation in the substrate

iii

謝 誌

首先我要誠摯地感謝我的指導教授--林育德博士這兩年來在學術研究及

專業領域上給我的許多指導使得我對於無線通訊系統與天線研究領域能有相當

程度的了解感謝口試委員林根煌教授洪萬鑄教授陳泰利教授前來協助

我們口試對於學生的論文內容加以指導使得論文得以更加完善 另外特別感謝實驗室林烈全學長提供在天線領域上的知識與研究上的心

得在碩士兩年時間對我在研究上的指導與幫助感謝實驗室學長阿德智聰

旻翰和彭哥在一年來不厭其煩的教導讓我們受益良多當然還要感謝實驗室

的同學奕翔陳鈺志豪和家綱這兩年來互相幫助互相成長以及學弟信良仁

佑和侑賢帶來生活上的樂趣 最後衷心感謝我最親愛的家人與親戚朋友因為有他們的全力支持與照

顧我才能無後顧之憂地完成研究所的學業

iv

目 錄

中文摘要 i

英文摘要 ii

謝誌 iii

目錄 iv

圖錄v

表錄 ix

第一章 導論1

11 工程背景與動機1

12 章節介紹2

第二章 基本理論與天線架構3

21 微帶貼片天線和陣列理論3

211 微帶貼片天線理論3

212 陣列理論6

22 天線結構9

221 單一微帶貼片天線設計9

222 高增益天線陣列設計13

第三章 電磁帶隙結構23

31 單位晶胞設計與截止帶比較23

32 電磁帶隙結構包圍方式之探討31

321 有限接地面的探討31

322 天線周圍包覆 PMC 32

323 輻射邊兩側包圍 PMC 35

33 電磁帶隙結構結合單一微帶天線37

34 電磁帶隙結構結合微帶天線陣列40

35 模擬與量測結果比較43

第四章 結論50

參考文獻51

v

圖 錄

圖 2-1微帶貼片天線示意圖 3

圖 2-2微帶天線等效傳輸線電路圖 5

圖 2-3點波源等間距之線性陣列 6

圖 2-4在不同間距時E-plane 的陣列因子8

圖 2-5在不同間距時H-plane 的陣列因子 8

圖 2-6懸浮微帶線結構(Suspended microstrip line configuration) 9

圖 2-7矩形微帶貼片天線示意圖 11

圖 2-8矩形微帶貼片天線反射損耗 12

圖 2-9矩形微帶貼片天線在中心頻率 355GHz 模擬的輻射場型12

圖 2-10饋入網路示意圖 13

圖 2-11天線陣列饋入網路之反射損耗及插入損耗模擬圖 13

圖 2-12天線陣列饋入網路各輸出埠相位差 14

圖 2-13三元天線陣列 14

圖 2-14三元天線陣列反射損耗 15

圖 2-15三元天線陣列在中心頻率 355GHz 模擬的輻射場型15

圖 2-16天線陣列結構俯視圖 16

圖 2-17天線陣列輻射場型 17

(a)34GHz17

(b)355GHz 17

(c)37GHz18

圖 2-18天線陣列輻射場型與 ETSI-mask 之比較 19

(a)34GHz19

(b)355GHz 19

(c)37GHz19

圖 2-19天線陣列模擬與量測之反射損耗 20

vi

圖 2-20天線陣列增益對頻率圖 21

圖 2-21天線陣列實體圖 22

(a)俯視圖 22

(b)側視圖 22

圖 3-1一維 EBG 結構電路圖 23

圖 3-2EBG 結構集總電路圖 24

圖 3-3微帶傳輸線 24

(a)俯視圖 24

(b)側視圖 24

圖 3-4微帶傳輸線之反射損耗與插入損耗 25

圖 3-5微帶線加上 EBG 結構正面與背面 25

(a)正面俯視圖 25

(b)背面俯視圖 25

圖 3-6微帶線加上 4mm2EBG 結構之晶胞大小與 S 參數比較 26

(a)單位晶胞大小 26

(b)反射損耗 26

(c)插入損耗 27

圖 3-7微帶線加上 6mm2EBG 結構之晶胞大小與 S 參數比較 27

(a)單位晶胞大小 27

(b)S 參數比較圖28

圖 3-8微帶線加上 8mm2EBG 結構之晶胞大小與 S 參數比較 28

(a)單位晶胞大小 28

(b)S 參數比較圖29

圖 3-9微帶線加上 10mm2EBG 結構之晶胞大小與 S 參數比較 29

(a)單位晶胞大小 29

(b)S 參數比較圖30

vii

圖 3-10有限接地面產生之輻射場型比較圖 31

圖 3-11介質中電場指向之強弱分布與感應磁流方向 32

圖 3-12天線周圍包覆 PMC33

圖 3-13天線周圍包覆 PMC 之輻射場型比較34

圖 3-14表面波在介質空間中分佈 35

圖 3-15輻射邊兩側包覆 PMC36

圖 3-16輻射邊兩側包覆 PMC 之輻射場型比較36

圖 3-17天線周圍包覆 EBG 之輻射場型比較 37

圖 3-18輻射邊兩側包覆 EBG 之輻射場型比較 38

圖 3-19較大接地面應用更多晶胞數改善輻射場型圖 39

圖 3-20原始天線陣列與應用 EBG 之天線陣列 40

圖 3-21原始天線陣列與應用 EBG 之天線陣列輻射場型比較 41

(a)34GHz41

(b)355GHz 41

(c)37GHz41

圖 3-22原始天線陣列與應用 EBG 之天線陣列與 ETSI-mask 比較 42

(a)34GHz42

(b)355GHz 42

(c)37GHz42

圖 3-23應用 EBG 之天線陣列結構圖 43

圖 3-24天線陣列輻射場型模擬與量測比較 44

(a)34GHz44

(b)355GHz 44

(c)37GHz45

圖 3-25天線陣列輻射場型與 ETSI-mask 比較 45

(a)34GHz45

viii

(b)355GHz 46

(c)37GHz46

圖 3-26天線陣列反射損耗模擬與量測比較 47

圖 3-27天線陣列增益對頻率圖 47

圖 3-28天線陣列實體圖 49

(a)俯視圖 49

(b)側視圖(空氣高度=05mm)49

(c)EBG 實體結構 49

ix

表 錄

表 2-1矩形微帶天線設計參數 11

表 2-2天線陣列設計參數 16

表 2-3ETSI-TS2 對輻射場型分布之要求18

表 2-4天線陣列增益對頻率表 21

表 3-1天線周圍包覆 PMC 之增益改善比較34

表 3-2輻射邊兩側包覆 PMC 之增益改善比較37

表 3-3天線周圍包覆 EBG 之增益改善比較 38

表 3-4輻射邊兩側包覆 EBG 之增益改善比較 39

表 3-5天線陣列設計參數 43

表 3-6天線陣列增益對頻率圖 48

1

第一章 導論

(Introduction)

11 工程背景與動機

近年來電信多媒體應用快速的成長及網路使用的普及化使用者需要的不

只是能夠在任何時間地點使用電信資訊服務且更需要增加使用頻寬及具有高傳

輸速率的無線通訊WiMAX(Worldwide Interoperability for Microwave Access)也

就是全球微波存取互通介面是一個逐漸發展的點對點或點對多點無線通訊網路

標準其不但可以提供使用者足夠的頻寬也能夠讓通訊服務業者不須要在地廣

人稀的地方佈線建立寬頻基礎建設而增加其營運成本因此許多開發中國家

及鄉村地區能透過建設 WiMAX 通訊系統以無線遠距寬頻的方式取代實體

寬頻佈線加速寬頻到家普及率

隨著無線通訊的興起天線所扮演的角色也日趨重要為了使資料的無線傳

輸達到寬頻要求天線的製作上就需要有一定的規範現行 WiMAX 覆蓋的頻段

有 253555 GHz(2500-26903400-36905250-5850 MHz)在每個國家各有不同

規定應用其中美規訂於 25GHz-269GHz而歐規訂於 34GHz-369GHz本論

文的天線陣列中心頻率設計於 355GHz為了符合 WiMAX 寬頻資料傳輸及涵蓋

範圍最大達 31 英哩的特性天線陣列的設計必須具有高增益及寬頻的特性因

此本論文的天線陣列以滿足歐洲電信標準局 (European Telecommunication

Standards Institute ETSI)規範為要求天線增益在全頻段須大於 14dBi而天線場

型符合 ETSI-TS2 mask

傳統上製作高增益天線以反射型天線[1]及透射型天線[2]為主為了減少

製作成本縮小體積我們使用了微帶天線陣列微帶天線的基本觀念早在 1950

年代就已經被提出微帶天線已應用於各方面需求針對微帶天線的寬頻設計方

2

式有利用厚空氣介質[3]饋入匹配電路[4]及使用間隙耦合貼片[5]來增加天線頻

寬另外由於有限接地面的限制會產生表面波在板材邊緣造成繞射現象使

天線的增益降低及輻射場型的扭曲為了抑制表面波的傳播我們使用電磁帶隙

(Electromagnetic Band-gap EBG)週期性結構讓某頻率範圍內禁止電磁波傳遞

這範圍也就是所謂的頻帶隙(Band-gap)由於 EBG 結構在頻帶隙產生了高阻抗表

面所以可以有效抑制表面波並提升天線性能

一般蘑菇型(mushroom)EBG 結構[6]雖易於抑制表面波的傳遞但其缺點為

製作不易因為它需要透過鉚釘(via)來達成以致增加許多成本因此在論文中

設計了無鉚釘的 EBG 結構以增加其實用性並且利用 EBG 排列包圍方式來結

合微帶天線改善輻射場型的扭曲[7]最後將結合 EBG 結構的高增益微帶天

線陣列進行實做及量測與模擬做統整與比較

12 章節介紹

本論文第二章介紹微帶貼片天線和陣列的基本原理及論文中所設計的天線

陣列結構第三章主要介紹電磁帶隙結構並對天線做一結合比較內容包括

電磁帶隙設計並使用於單一微帶天線及天線陣列最後模擬分析與量測比較

第四章為本文總結討論

3

第二章 基本理論與天線結構

(Basic Theory and Antenna Structure)

21 微帶貼片天線和陣列理論

211 微帶貼片天線理論

微帶貼片天線(Microstrip Patch Antenna)具有結構簡單製作方便高度實

用而且可以很容易地經由長度及寬度的控制來做效能微調等特性本論文中所

製作的高增益天線以縮小面積降低天線的剖面降低成本易於製作為主利

用微帶貼片天線的特色製作陣列以達到我們需要的高增益天線本論文中所設

計的天線陣列以矩形微帶貼片天線為主

矩形微帶貼片天線其結構包含了接地金屬面介電質基板還有饋入電路與

輻射金屬片如圖 2-1 所示

圖 2-1微帶貼片天線示意圖

4

其可以視為兩個相隔長度 L 的輻射槽(Radiating slot)每個槽的寬度相當於

基板的厚度 h長度則相當於貼片天線的 W理論上這兩個槽應該相距 λg2其

中 λg 為在介質中的波長在貼片天線中有兩個重要的參數等效介電常數

( effective dielectric constant )及等效貼片長度( effective length )由於貼片天線的

長和寬有限所以在天線邊緣附近的會有漏電場的現象此稱邊緣效應(edge

effect)而漏電場和貼片天線的寬度以及基板的介電常數厚度有關如果天線

的 L h 值遠大於 1則漏電場的現象不會太嚴重由於當考慮到邊緣效應貼片

天線上的電場在邊緣輻射時會同時經過介電材料及空氣所以等效介電常數便不

是原本板材的介電值藉由式(2-1)我們可以得到一等效介電常數 reffε 等效介電

常數的範圍通常為1 reff rε εlt lt

121 1 1 12 1

2 2r r

reffh W

W hε εε

minus+ minus ⎡ ⎤= + + lt⎢ ⎥⎣ ⎦ (2-1)

等效介電常數對於天線的 W 跟 L 有很大的影響貼片天線的寬度 W 是影響

天線輻射效率的最大因素其可由式(2-2)計算得知

12

0 12 2

rW λ ε minus+⎛ ⎞= ⎜ ⎟⎝ ⎠

(2-2)

而在天線輻射端的兩個槽因為邊緣效應的影響等效天線長度跟實際上的長度

會有2 LΔ 的差距由式(2-3)可以得到 LΔ

5

( )

( )

03 02640412

0258 08

reff

reff

WhL h

Wh

ε

ε

⎛ ⎞+ +⎜ ⎟⎝ ⎠Δ =⎛ ⎞minus +⎜ ⎟⎝ ⎠

(2-3)

得知 LΔ 後貼片天線的實際長度 2effL L L= minus Δ 其中 2eff gL λ= 微帶貼片天線

邊緣輸入阻抗一般介於 100~400 歐姆之間計算其輸入阻抗時可將天線的兩個

輻射槽各代表一並聯的導納 Y如圖 2-2 所示

圖 2-2微帶天線等效傳輸線電路圖

其中 G1 及 B1 的大小由天線的寬度 W 決定式(2-4)及式(2-5)為 W 與 G1 及 B1 的

關係式[9]由於在此討論的天線為矩形貼片天線天線兩邊的寬度會相同故

G2 及 B2 的大小分別與 G1 及 B1 相同而 Yc則為長度約為 2gλ 傳輸線的特性導

( )21 0

0 0

1 h1 01120 24

WG k hλ λ

⎡ ⎤= minus lt⎢ ⎥⎣ ⎦ (2-4)

01

0reff

k LBZ

εΔ= (2-5)

00

reff

hZW

ηε

= (2-6)

B1 G1 G2 B2

YC

6

求得導納之後由圖 2-2 等效傳輸線電路圖可得輸入阻抗 1in inR Y= 1 2inY Y Y= +

1Y 為槽一(slot1)的導納( 1 1 1Y G jB= + ) 2Y 為槽二(slot2)的導納( 2 2 2Y G jB= + )因

為共振長度為 2gλ 所以兩個輻射槽的電納相差 180∘( 1 2B B= minus )因此輸入導

納為 12G輸入阻抗則為 1 2R 天線的邊緣輸入阻抗求得之後我們可以利用 4λ

轉換線饋入與 50Ω接頭匹配方便饋入線(feeding line)的設計

212 陣列理論

設計天線陣列時其天線陣列的排列結構各元素間的距離各元素激發的

振幅與相位及單一元素的場型都會影響陣列的場型分佈[1]圖 2-3 為一點波源

等間距之線性陣列

圖 2-3點波源等間距之線性陣列

若元素間激發電流相位差為α一等能量饋入的天線陣列之陣列因子如式

(2-7)所示

1

00

AF cosN

jn

nA e dψ ψ β θ α

minus

=

= = +sum (2-7)

其中d為天線陣列元素的間距β 為波數θ為偏離Z軸之角度α 為元素間的相

位差

7

經過推導忽略其相位因子正歸化的陣列因子為

( ) ( )( )

sin 21sin 2

Nf

ψψ

⎡ ⎤= ⎢ ⎥

⎣ ⎦ (28)

在ψ =0時有最大值主波束的方向為

1cosdαθβ

minus ⎛ ⎞minus= ⎜ ⎟

⎝ ⎠ (29)

藉由陣列因子我們將可以預估理想狀況下天線陣列的輻射場型由於本論文天線

陣列由3times3陣列矩陣所組成且微帶天線場型是分佈在天線的垂射(broadside)方

向故在設計天線陣列的饋入網路時每個元素間所得到的能量應為等大小同

相位圖2-4及圖2-5分別為3times3天線陣列E-plane及H-plane在相同大小及相位時

所計算的陣列因子我們可以藉由適當間距的陣列因子與微帶天線的場型乘積

獲得理想上的天線陣列輻射場型分佈

8

圖 2-4在不同間距時E-plane 的陣列因子

圖 2-5在不同間距時H-plane 的陣列因子

9

22 天線結構

221 單一微帶貼片天線設計

由於微帶貼片天線是一共振型天線傳統上其頻寬較窄所以我們可以藉由

改變天線的形狀增加天線的共振路徑或者改變天線的結構以提高頻寬及增

設計微帶貼片天線時基板(substrate)影響天線效能較大的有三個參數介

質損耗(正比於 tanδ )介電常數( rε )以及厚度( h )其中介質損耗越小越好如

此可以提高天線效率及增益但相對的成本也較高而介電常數也是越小越好

如此可以增加頻寬提高天線的指向性及增益相對的天線的尺寸也越大厚度

則是越大越好如此可以提高天線效率及增益有效增加頻寬但厚度太大則容

易產生表面波使得部分能量被束缚在基板中無法輻射出去

基於上述基板對天線效能的影響以及本論文對頻寬及增益的要求我們採

用 FR4( 44rε = )玻璃纖維基板並且採用厚空氣介質如此可以有效降低等效介

電常數值及提高厚度藉以達到寬頻及高增益的特性如圖 2-6 所示

圖 2-6懸浮微帶線結構(Suspended microstrip line configuration)

10

如圖 2-6 加上 air gap 高度之後其等效介電常數會有所改變其可由式(2-10)

得到一近似值[10]

( )( )

rreff

r

h H hh H hε

εε+ minus⎡ ⎤⎣ ⎦=

+ minus (2-10)

另外懸浮微帶線的特性阻抗(假設 t=0)則由式(2-11)得到較精確的值以便設計

饋入網路[11]

2

0 10

2ln 12 re

FZu u

ηπ ε

⎡ ⎤⎛ ⎞⎢ ⎥= + + ⎜ ⎟⎢ ⎥⎝ ⎠⎣ ⎦ (2-11)

其中

( ) ( )07528306661 6 2 6 uF eπ minus= + minus (2-11a)

( )0 120η π= Ω Wuh

= (2-11b)

1

11 ln 1rer

h Wa bH h H h

εε

minus⎡ ⎤⎛ ⎞⎛ ⎞= + minus minus⎢ ⎥⎜ ⎟⎜ ⎟⎜ ⎟minus minus⎝ ⎠⎢ ⎥⎝ ⎠⎣ ⎦

(2-12)

其中

4

08621 0125ln haH h

⎡ ⎤⎛ ⎞= minus ⎜ ⎟⎢ ⎥minus⎝ ⎠⎣ ⎦ (2-12a)

4

04986 01397 ln hbH h

⎡ ⎤⎛ ⎞= minus ⎜ ⎟⎢ ⎥minus⎝ ⎠⎣ ⎦ (2-12b)

11

利用前面提到的矩形微帶天線基本理論將天線的寬度及長度求出把饋入網

路與天線元素在同一平面做一結合設計參數如表 2-1

Dielectric constant 44

Substrate thickness 08mm

Loss tangent 002

Air gap 5mm

Single patch size 416mm(W) x 335mm(L)

Feeding line width 0901mm

Feeding line length 1996mm

表 2-1矩形微帶天線設計參數

利用式(2-4)(2-5)及(2-6)求出天線邊緣的輸入阻抗再設計一四分之一波長

傳輸線饋入並以特性阻抗 Z0 的輸入埠進行模擬如圖 2-7 所示

圖 2-7矩形微帶貼片天線示意圖

Ground plane

65mm Patch antenna

W

L

Zt=9904Ω

Z0=50Ω

80mm

12

當天線共振時天線邊緣的輸入阻抗 inZ 可藉由 20in tZ Z Z= 計算得知接著

觀察中心頻率為 355GHz 的矩形微帶貼片天線其反射損耗與輻射場型圖 2-8

為反射損耗圖圖 2-9 為中心頻率 355GHz 模擬的輻射場型

圖 2-8矩形微帶貼片天線反射損耗

圖 2-9矩形微帶貼片天線在中心頻率 355GHz 模擬的輻射場型

Return Loss

13

222 高增益天線陣列設計

首先以微帶線並聯的饋入結構設計能量一分三的網路再利用傳輸線作阻

抗的匹配[13]最後再以其寬頻的特性饋入到天線陣列圖 2-10 為饋入網路示意

圖圖 2-11 及圖 2-12 分別為饋入網路之反射損耗(Return Loss)插入損耗

(Insertion Loss)以及各輸出埠相位圖

圖 2-10饋入網路示意圖

圖 2-11天線陣列饋入網路之反射損耗及插入損耗模擬圖

14

圖 2-12天線陣列饋入網路各輸出埠相位差

從圖 2-11 可以發現各輸出埠的能量在不同頻率的變化實線為埠一(port1)

的反射損耗其餘為埠二三及四的插入損耗在工作頻率的範圍輸出埠的能

量差值在 2dB 以內而每個輸出埠在工作頻率的相位差為 20deg以內

接著我們利用圖 2-10 的分歧器輸出埠接上天線三元天線陣列如圖 2-13

觀察其反射損耗(圖 2-14)與輻射場型(圖 2-15)

圖 2-13三元天線陣列

15

圖 2-14三元天線陣列反射損耗

圖 2-15三元天線陣列在中心頻率 355GHz 模擬的輻射場型

由圖 2-14圖 2-15 了解到反射損耗在工作頻段(34GHz~37GHz)滿足要求

觀察輻射場型發現增益已可達到 12dBi此時再利用一組能量一分三的分歧器

設計總天線陣列預計為三乘以三共九個元素的天線陣列設計參數如表 2-2

16

Dielectric constant(topbottom) 44 44

Substrate thickness(topbottom) 08mm 16mm

Loss tangent 002

Air gap 5mm

Upper substrate size 250mm x 200mm

Ground size 300mm x 250mm

表 2-2天線陣列設計參數

圖 2-16 為天線陣列結構圖由於饋入網路阻抗匹配與相位差對天線陣列影

響非常大所以設計其信號饋入端為 50Ω以符合實際上使用的 SMA 接頭使

饋入網路匹配

圖 2-16天線陣列結構俯視圖

17

圖 2-17 為天線陣列在(a)34GHz(b)355GHz(c)37GHz 的輻射場型從圖

中可看出模擬與量測的輻射場型相當接近增益也能達到要求

(a)34GHz

(b)355GHz

18

(c)37GHz

圖 2-17天線陣列輻射場型

天線結構確定之後對於其輻射場型的分布需求要符合 ETSI-TS2 的規範

表 2-3 為 ETSI-TS2 對輻射場型分布的要求以下針對輻射場型與 ETSI-mask 做

一比較如圖 2-18 所示從圖中發現除了 34GHz 些微超出標準之外其餘頻

段都能滿足輻射場型要求之後會將改善的部份再做比較

表 2-3ETSI-TS2 對輻射場型分布之要求

19

(a)34GHz

(b)355GHz

(c)37GHz

圖 2-18天線陣列輻射場型與 ETSI-mask 之比較

20

圖 2-19 為天線陣列模擬與量測的反射損耗其工作頻率與設計之天線相去

不遠均包含 34GHz~37GHz圖 2-20 為實際量測的增益對頻率的變化圖其

增益的全頻段都能大於 14dBi其中某些頻率點可看出 E-plane 與 H-plane 所量

測到的最大增益值並不相同這主要的原因在於由饋入網路輸出端在在不同頻率

會有些微的相位差所致使得天線的最大增益值會些微偏移一個角度不過基

本上的趨勢還是相近

圖 2-19天線陣列模擬與量測之反射損耗

21

圖 2-20天線陣列增益對頻率圖

頻率(GHz) 33 34 35 36 37 38

E-plane 增益

(dBi) 1457 1619 1702 1634 1568 1429

H-plane 增益

(dB) 1421 1582 1624 1607 1581 1434

表 2-4天線陣列增益對頻率表

22

(a)俯視圖

(b)側視圖

圖 2-21天線陣列實體圖(a)俯視圖(b)側視圖

23

第三章 電磁帶隙結構與應用

(Electromagnetic Band-Gap Structure and Its Applications )

31 單位晶胞設計與截止帶比較

在天線中通常在較高之基板厚度及較大之介電常數時容易產生表面波

干擾天線輻射為了阻止表面波的傳遞論文中設計了高阻抗表面也就是所謂

的電磁帶隙(EBG)結構能有效抑制表面波提升天線效能

在近幾年許多微波領域的研究文獻利用光子能隙(Photonic Band-Gap

PBG)的概念也就是在介電係數成週期性排列的三維介電材料中電磁波經介

電函數散射後某些波段的電磁波強度會因破壞性干涉而呈現衰減無法在系統

內傳遞而在頻譜上形成截止帶[7][8]應用這個觀念在平面式傳輸線上設計具

有週期性幾何結構的電路造成電磁波在某些頻段無法傳遞而達到濾波的效果

由於使用於微波頻段所以稱此種結構為電磁帶隙或電磁能隙(Electromagnetic

Band-Gap EBG)結構

一個 EBG 結構電路時為一個電路之接地面在沿著某方向或平面做週期性

幾何結構變化所構成的電路如圖 3-1

圖 3-1一維 EBG 結構電路圖

利用 EBG 電路的週期性幾何結構形成一個電磁波的截止帶實線一個具

有寬頻與良好效能的帶止濾波器(Bandstop Filter)本論文使用共平面緊密電磁

帶隙結構(Uniplanar Compact EBG)如圖 3-2取代傳統的完整或切割連結通道

CellCell Cell Cell Cell d d d d TL TL TL TL

24

的平面結構每個單位細胞間以細線做連結細線提供了主要的電感效應每個

單位細胞間以狹縫做為區隔細狹縫間之互容效應與單位細胞之平面電容提供

了主要電容效應利用並接的電感電容效應來達到一寬頻的截止帶

圖 3-2EBG 結構集總電路圖

為了得到我們需要的截止帶首先模擬一個理想傳輸線當對照組(圖 3-3)

使用了介電常數值為 44 的 FR4 電路板厚度為 16mm觀察其反射損耗與插入

損耗從圖 3-4 了解到傳輸線從 1GHz 到 15GHz 反射損耗皆在-20dB 以下插入

損耗-3dB 以上

圖 3-3微帶傳輸線

(a) 俯視圖

(b) 側視圖

25

圖 3-4微帶傳輸線之反射損耗與插入損耗

利用電磁帶隙週期性二維的重複結構如圖 3-5可以找到我們所需要的截止

帶從微帶線的插入損耗可以明顯得到所設計的截止帶頻段跟單位晶胞的大小

成正相關整體電路的等效電感與等效電容越大相對的頻帶也會往低頻跑

(a)正面俯視圖 (b)背面俯視圖

圖 3-5微帶線加上 EBG 結構正面與背面

26

改變單位晶胞大小與截止帶之比較分別從(圖 3-6)4mm2(圖 3-7)6mm2(圖

3-8)8mm2(圖 3-9)10mm2的晶胞大小可以控制截止帶落在哪些區域

(b)反射損耗

a b

g

gs

h

(a)單位晶胞大小

a = 4 mmb = 37 mm s = g = 03 mm h = 18 mm

a

27

圖 3-6微帶線加上 4mm2EBG 結構之晶胞大小與 S 參數比較

從圖 3-6 可以得知從 10GHz 到 12GHz 有一較深之截止帶14GHz 之後也有

截止頻帶只是實驗目標以低頻為主故只模擬到 15GHz繼續改變晶胞大小

來設計低頻截止帶

a b

g

gs

h

(a)單位晶胞大小

a = 6 mm b = 57 mm s = g = 03 mm h = 28 mm

a

(c)插入損耗

28

圖 3-7微帶線加上 6mm2EBG 結構之晶胞大小與 S 參數比較

讓 EBG 晶胞變大(6mm2)跟預期結果相符可以得到更低頻的截止帶低頻帶

從 7GHz 到 9GHz高頻帶 10GHz 之後仍然存在極深之截止帶

(b)S參數比較圖

a bg

gs

h

(a)單位晶胞大小

a = 8 mm b = 76 mm s = g = 04 mm h = 37 mm

a

29

圖 3-8微帶線加上 8mm2EBG 結構之晶胞大小與 S 參數比較

從圖 3-8 的結果得到更低頻的截止帶座落於 43GHz~58GHz 及

61GHz~7GHz 由 於 論 文 中 所 設 計 的 WiMAX 天 線 陣 列 工 作 頻 率 在

34GHz~37GHz故需再將晶胞大小改變讓系統能夠共振在更低頻處

(b)S參數比較圖

a bg

gs

h

(a)單位晶胞大小

a = 10 mm b = 93 mm s = g = 07 mm h = 42 mm

a

30

圖 3-9微帶線加上 10mm2EBG 結構之晶胞大小與 S 參數比較

將週期性電磁帶隙結構結合微帶線可以設計出需要的截止帶圖 3-9 主要

的截止帶在 325GHz~4GHz 及 465GHz~58GHz已經達到需求的頻帶範圍下

個目標將結合微帶天線做改善與比較

(b)S參數比較圖

31

32 電磁帶隙結構包圍方式之探討

321 有限接地面的探討

由於設計的微帶天線主要是在邊射(Broad-side)方向輻射所以需要選擇一個

適當的接地面大小讓輻射場型得到一個最佳值理論上來說無限大的接地面

可以得到最平滑(Smooth)的輻射場型只在單邊輻射不會受到地面干擾實際

上在有限的空間必須選擇一個適當大小的接地面以符合成本與面積要求

而有限的接地面卻容易造成邊緣效應干擾[12]表面波在接地面邊緣產生繞射場

(Diffracted fields)形成新的波源以陣列因子的觀點來看多了新的波源會造

成輻射場型加乘上的消長如圖 3-10微帶貼片天線主要是以前後兩側差半波

長之邊輻射而有限接地面則會在邊緣產生感應磁流(Induced equivalent

magnetic current)如圖 3-11從電場的指向可以推得磁流的方向對照輻射

場型容易在邊射方向造成波紋(Ripple)

圖 3-10有限接地面產生之輻射場型比較圖

L

32

圖 3-11介質中電場指向之強弱分布與感應磁流方向

由於接地面的大小在 E-plane 會產生波紋來干擾輻射場型所以論文中以

EBG 週期性結構來做為一個完美磁導體(Perfect Magnetic ConductorPMC)也

就是人工 PMC(Artificial PMC)抑制邊緣電場的垂直入射減弱感應磁流的效

應以改善天線輻射場型

322 天線周圍包覆 PMC

傳統上 EBG 以圍滿的方式來改善微帶天線之增益與輻射[13]並透過晶胞

數的不斷增加來提高增益及改善輻射場型但晶胞數的增加將提高成本加大

EBG 面積及天線整體體積高達一定數量時反而會降低天線性能對於微帶貼

片天線而言EBG 在接地面太靠近天線輻射邊反而影響其輻射機制造成頻率

飄移因此論文中將探討 EBG 的包圍方式對天線性能之影響以有最佳效果

已知高阻抗表面可以阻擋介質中表面波的傳遞因此先透過理想 PMC 來代

替所設計之高阻抗表面 EBG 結構以分析其特性找出提升天性能的最佳包圍

33

方式

首先把天線周圍包覆 PMC 如圖 3-12以逼近的方式慢慢擴大 PMC 的面積

一圈 PMC 的寬度與設計的晶胞大小邊長一樣從輻射場型來看使用到第二圈

時可以得到最佳的輻射效能如圖 3-13PMC 包圍有其最佳範圍取得有效的包

圍方式可以讓天線輻射最佳化

圖 3-12天線周圍包覆 PMC

34

圖 3-13天線周圍包覆 PMC 之輻射場型比較

參考天線 一圈 PMC 二圈 PMC 三圈 PMC

0 度增益 357dBi 432dBi 545dBi 478dBi

增益改善 075dB 188dB 121dB

表 3-1天線周圍包覆 PMC 之增益改善比較

35

323 輻射邊兩側包覆 PMC

由於微帶天線之表面波傳遞方向以 xz 切面為主如圖 3-14因此在微帶天線

輻射邊的兩側擺放 EBG 結構以抑制其傳遞有效改善天線輻射場型首先使

用理想的 PMC 在天線輻射邊兩側包覆如圖 3-15對於 PMC 覆蓋面積的大小作一

探討變化 PMC 之覆蓋面積了解其對天線輻射場型的影響在邊射(broadside)

方向的輻射場型可以有效改善波紋讓旁波瓣(sidelobe)大幅度降低如圖 3-16

所示以兩列 PMC 可以達到較佳效果再增加一列 PMC 雖些許增加增益不

過 PMC 覆蓋的面積已達飽和因此從上述可知在結合 EBG 和微帶天線時

將有一最佳之覆蓋面積使用最適當之晶胞數來達到最佳的增益改善

圖 3-14表面波在介質空間中分布

36

圖 3-15輻射邊兩側包覆 PMC

圖 3-16輻射邊兩側包覆 PMC 之輻射場型比較

37

參考天線 一列 PMC 二列 PMC 三列 PMC

0 度增益 357dBi 528dBi 642dBi 644dBi

增益改善 171dB 285dB 287dB

表 3-2輻射邊兩側包覆 PMC 之增益改善比較

33 電磁帶隙結構結合單一微帶天線

以下將結合所設計之 EBG 結構和微帶天線以改善微帶天線之輻射場型干

擾從前述的探討先以圍繞式包圍天線做輻射場型比較如圖 3-17 所示

圖 3-17天線周圍包覆 EBG 之輻射場型比較

38

0 度增益

Ref patch antenna 357dBi

圍繞 EBG 572dBi

ΔGain 215dB

表 3-3天線周圍包覆 EBG 之增益改善比較

由於表面波之傳遞主要為 X 軸方向因此以 EBG 之較寬頻的維度來抑制 X

方向的表面波其結合方式如下以兩列 EBG 結構與天線結合比較如圖 3-18

圖 3-18輻射邊兩側包覆 EBG 之輻射場型比較

39

0 度增益

Ref patch antenna 357dBi

輻射邊包覆 EBG 577dBi

ΔGain 22dB

表 3-4輻射邊兩側包覆 EBG 之增益改善比較

兩種包覆 EBG 的情形做比較使用輻射邊兩側包覆 EBG 對表面波抑制可以

達到最直接的效果再對接地面做變化令輻射邊到接地面邊緣距離等於 15 倍

空氣中波長邊緣的等效感應磁流干擾最大在垂射(broadside)方向造成 30 度到

60 度的旁波瓣將晶胞數加到三列使得輻射場型能有最佳效果如圖 3-19 所示

圖 3-19較大接地面應用更多晶胞數改善輻射場型圖

40

34 電磁帶隙結構結合微帶天線陣列

第二章敘述之高增益天線陣列由於在 E-plane 產生較大之旁波瓣因此論

文將結合 EBG 結構與天線陣列改善輻射場型以符合 ETSI-TS2 規範要求

對原本的天線陣列與改善後的天線陣列作一比較如圖 3-20 為天線結構示意圖

俯視圖 yz 切面為表面波影響較大的面因此我們在 E-plane 兩側包覆 EBG使

用三列的 EBG 週期結構另外圖 3-21 為(a)34GHz(b)355GHz(c)37GHz

輻射場型在 E-plane 的改善比較可以發現在(a)跟(b)改善的效果特別明顯旁波

瓣減弱許多而(c)原本旁波瓣就不大所以改善較不明顯再跟 ETSI-mask 做

比較如圖 3-22改善後的天線陣列距離輻射場型標準線有較大之安全距離對實

作上的誤差影響會比較小以下針對輻射場型做一比較

圖 3-20原始天線陣列與應用 EBG 之天線陣列

41

(a)34GHz E-plane 輻射場型比較

(b)355GHz E-plane 輻射場型比較

(c)37GHz E-plane 輻射場型比較

圖 3-21原始天線陣列與應用 EBG 之天線陣列輻射場型比較

(a)34GHz (b)355GHz (c)37GHz

42

(a)34GHz E-plane

(b)355GHz E-plane

(a)37GHz E-plane

圖 3-22原始天線陣列與應用 EBG 之天線陣列與 ETSI-mask 比較

(a)34GHz (b)355GHz (c)37GHz

43

35 模擬與量測結果比較

由上述模擬的結果進行實作及量測的工作如圖 3-23 為微帶天線結合 EBG

結構的架構表 3-5 列出了板材的規格使用的基板是 FR4 玻璃纖維基板並架高

空氣高度為 5mm

Dielectric constant(topbottom) 44 44

Substrate thickness(topbottom) 08mm 16mm

Loss tangent 002

Air gap 5mm

Upper substrate size 250mm x 200mm

Ground size 300mm x 250mm

表 3-5天線陣列設計參數

圖 3-23應用 EBG 之天線陣列結構圖

44

圖 3-24 為天線陣列在 34GHz355GHz37GHz 的輻射場型從圖中可以

觀察模擬與量測場型蠻相近的

(a)34GHz

(b)355GHz

45

(c)37GHz

圖 3-24天線陣列輻射場型模擬與量測比較

對於其輻射場型的分布需求要符合 ETSI-TS2 的規範以下針對輻射場型與

ETSI-mask 做一比較如圖 3-25 所示從圖中發現實作及量測輻射場型全部

工作頻段都能滿足 mask 要求完成一組高增益天線陣列

(a)34GHz

46

(b)355GHz

(c)37GHz

圖 3-25天線陣列輻射場型與 ETSI-mask 比較

圖 3-26 為天線陣列模擬與量測的反射損耗其工作頻率與設計之天線相去

不遠均包含 34GHz~37GHz頻寬設計較大的原因在於避免外在因素造成的頻

飄量測出來可達 33GHz~39GHz略往高頻飄不過與設計的反射損耗相當接

近圖 3-27 為實際量測的增益對頻率的變化圖其增益的全頻段都能大於

14dBiE-plane 與 H-plane 也較為接近整理數據如表 3-6

47

圖 3-26天線陣列反射損耗模擬與量測比較

圖 3-27天線陣列增益對頻率圖

48

頻率(GHz) 33 34 35 36 37 38

E-plane 增益

(dBi) 1485 1591 1620 1687 1627 1507

H-plane 增益

(dBi) 1421 1565 1598 1629 1607 1518

表 3-6天線陣列增益對頻率表

49

圖 3-28 為實體圖俯視圖側視圖與 EBG 實際大小比較

(a) 俯視圖

(b) 側視圖(空氣高度=05mm)

(c)EBG 實體結構

圖 3-28天線陣列實體圖

50

第四章 結論

(Conclusion)

本論文主要是研究適用於基地台的 WiMAX 頻段高增益天線陣列並控制其

頻寬增益及輻射場型能夠符合 ETSI(European Telecommunication Standards

Institute)的規範在論文第二章中提出的高增益天線陣列是利用一個能量分歧

器把能量等效分成三份的饋入網路接上三組一樣的三元素陣列矩形微帶天線所

組成的天線陣列最高增益可達到 17dBi工作頻率的增益都能超過要求的

14dBi輻射場型符合 ETSI-TS2 規範另外本論文所提出的天線陣列為印刷式

天線不但具有輕量化的特性且大幅降低製作上的困難度也減輕了成本的負擔

透過本論文所設計之 EBG 可有效降低傳統 EBG 結構的製程僅以 FR4 板

材即可自行實作比較無須鉚釘並提出有效提升微帶天線增益的包圍方式在

有限的接地面下可選擇適當的晶胞數來改善天線陣列的輻射場型抑制表面波

對天線的干擾讓邊際效應產生的感應磁流干擾降到最低最後在實作及量測部

分驗證我們模擬的結果

51

參考文獻

[1] W L Stutzman and G A Thiele Antenna Theory and Design 2nd ed New York

Wiley 1998

[2] A Balanis Antenna Theory Analysis and Design New York Wiley 1997

[3] R Gardelli G La Cono and M Albani ldquoA low-cost suspended patch antenna for

WLAN access points and point-to-point linksrdquo IEEE Antennas and Propagat vol

3 no 1 pp 90-93 2004

[4] H F Pues and A R Van de capelle ldquoAn impedance-matching technique for

increasing the bandwidth of microstrip antennasrdquo IEEE Trans on Antennas and

Propagat vol 37 no 11 pp 1345-1354 Nov 1989

[5] Q Song and XndashX Zhang ldquoA study on wideband gap-coupled microstrip antenna

arraysrdquo IEEE Trans On Antennas and Propagat vol 43 no 3 pp 313-317 Mar

1995

[6] D Sievenpiper L Z Romulo F J Broas N G Alexopolous and E Yablonovitch

ldquoHigh-impedance electromagnetic surfaces with a forbidden frequency bandrdquo

IEEE Trans Microwave Theory Tech vol 47 no 11 pp 311-335 Nov 1999

[7] F-R Yang K-P Ma Y Qian and T Itoh ldquo A Uniplanar Compact

Photonic-Bandgap (UC-PBG) Structure and Its Applications for Microwave

Circuitsrdquo IEEE Trans MTT vol 47 Aug 1999

[8] M F Abedin M Z Azad and M Ali ldquo wideband smaller unit-cell planar EBG

structures and their applicationrdquo IEEE Trans On Antenna and Propagat vol 56

no 3 pp 903-908 Mar 2008

[9] I J Bahl and P Bhartia Microstrip Antennas Artech House 1980

[10] JR James and P S Hall Handbook of Microstrip Antennas LondonPeter

Peregrinus Ltd 1989

52

[11] K C Gupta R Garg I J Bahl P Bhartia Microstrip Lines and Slotlines 2nd ed

Norwood MAArtech House 1996

[12] T Namiki Y Murayama and K Ito ldquo Improving radiation-pattern distortion of a

patch antenna having a finite ground planerdquo IEEE Trans On Antenna and

Propagat vol 51 no 3 pp 478-482 Mar 2003

[13] R Coccioli F-R Yang K-P Ma and T Itoh ldquo Aperture-coupled patch antenna

on UC-PBG substraterdquo IEEE Trans Microwave Theory Tech vol 47 no 11 pp

2123-2130 Nov 1999

[14] F Yang and Y Rahmat-samii ldquo Microstrip antenna integrated with

electromagnetic band-gap (EBG) structure a low mutual coupling design for array

applicationrdquo IEEE Trans On Antenna and Propagat vol 51 no 10 pp

2936-2946 Oct2003

[15] Z Iluz R Shavit and R Bauer ldquo Microstrip antenna phased array with

electromagnetic bandgap substraterdquo IEEE Trans On Antenna and Propagat vol

52 no 6 pp 1446-1453 June 2004

  • 封面pdf
  • 摘要與目錄pdf
  • 論文_終稿_pdf
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ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP 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 FRA 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 ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO 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 SVE ltFEFF0041006e007600e4006e00640020006400650020006800e4007200200069006e0073007400e4006c006c006e0069006e006700610072006e00610020006f006d002000640075002000760069006c006c00200073006b006100700061002000410064006f006200650020005000440046002d0064006f006b0075006d0065006e00740020006600f600720020006b00760061006c00690074006500740073007500740073006b0072006900660074006500720020007000e5002000760061006e006c00690067006100200073006b0072006900760061007200650020006f006300680020006600f600720020006b006f007200720065006b007400750072002e002000200053006b006100700061006400650020005000440046002d0064006f006b0075006d0065006e00740020006b0061006e002000f600700070006e00610073002000690020004100630072006f0062006100740020006f00630068002000410064006f00620065002000520065006100640065007200200035002e00300020006f00630068002000730065006e006100720065002egt ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP 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 FRA ltFEFF005500740069006c006900730065007a00200063006500730020006f007000740069006f006e00730020006100660069006e00200064006500200063007200e900650072002000640065007300200064006f00630075006d0065006e00740073002000410064006f00620065002000500044004600200070006f007500720020006400650073002000e90070007200650075007600650073002000650074002000640065007300200069006d007000720065007300730069006f006e00730020006400650020006800610075007400650020007100750061006c0069007400e90020007300750072002000640065007300200069006d007000720069006d0061006e0074006500730020006400650020006200750072006500610075002e0020004c0065007300200064006f00630075006d0065006e00740073002000500044004600200063007200e900e90073002000700065007500760065006e0074002000ea0074007200650020006f007500760065007200740073002000640061006e00730020004100630072006f006200610074002c002000610069006e00730069002000710075002700410064006f00620065002000520065006100640065007200200035002e0030002000650074002000760065007200730069006f006e007300200075006c007400e90072006900650075007200650073002egt ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO ltFEFF004b00e40079007400e40020006e00e40069007400e4002000610073006500740075006b007300690061002c0020006b0075006e0020006c0075006f0074002000410064006f0062006500200050004400460020002d0064006f006b0075006d0065006e007400740065006a00610020006c0061006100640075006b006100730074006100200074007900f6007000f60079007400e400740075006c006f0073007400750073007400610020006a00610020007600650064006f007300740075007300740061002000760061007200740065006e002e00200020004c0075006f0064007500740020005000440046002d0064006f006b0075006d0065006e00740069007400200076006f0069006400610061006e0020006100760061007400610020004100630072006f0062006100740069006c006c00610020006a0061002000410064006f00620065002000520065006100640065007200200035002e0030003a006c006c00610020006a006100200075007500640065006d006d0069006c006c0061002egt SVE ltFEFF0041006e007600e4006e00640020006400650020006800e4007200200069006e0073007400e4006c006c006e0069006e006700610072006e00610020006f006d002000640075002000760069006c006c00200073006b006100700061002000410064006f006200650020005000440046002d0064006f006b0075006d0065006e00740020006600f600720020006b00760061006c00690074006500740073007500740073006b0072006900660074006500720020007000e5002000760061006e006c00690067006100200073006b0072006900760061007200650020006f006300680020006600f600720020006b006f007200720065006b007400750072002e002000200053006b006100700061006400650020005000440046002d0064006f006b0075006d0065006e00740020006b0061006e002000f600700070006e00610073002000690020004100630072006f0062006100740020006f00630068002000410064006f00620065002000520065006100640065007200200035002e00300020006f00630068002000730065006e006100720065002egt ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 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國 立 交 通 大 學

電信工程學系碩士班

碩士論文

全球微波存取互通介面高增益天線陣列及電磁帶隙結構之應用

Worldwide Interoperability for Microwave Access (WiMAX) High Gain

Antenna Arrays with Electromagnetic Band-Gap Structurersquos Applications

研究生 陳建宏 (Jiang-Hong Chen)

指導教授 林育德 博士 (Dr Yu-De Lin)

中華民國 九十七年六月

全球微波存取互通介面高增益天線陣列及電磁帶隙結構之應用

Worldwide Interoperability for Microwave Access (WiMAX) High Gain

Antenna Arrays with Electromagnetic Band-Gap Structurersquos Applications

研究生 陳建宏 Student Jiang-Hong Chen

指導教授 林育德 博士 Advisor Dr Yu-De Lin

國 立 交 通 大 學

電信工程學系碩士班

碩士論文

A Thesis

Submitted to Department of Communication Engineering

College of Electrical Engineering and Computer Science

National Chiao Tung University

In Partial Fulfillment of the Requirements

For the Degree of

Master of Science

In

Communication Engineering

June 2008

Hsinchu Taiwan Republic of China

中 華 民 國 九 十 七 年 六 月

i

全球微波存取互通介面高增益天線陣列及電磁帶隙結構之

應用

研究生陳建宏 指導教授林育德 博士

國立交通大學 電信工程學系

摘要

全球微波存取互通介面(Worldwide Interoperability for Microwave Access

WiMAX)具有無線遠距傳輸寬頻等優點將是下一代無線通訊系統標準之ㄧ

本論文中我們將研究適用於 34GHz-37GHz 頻段的高增益天線陣列並且能

夠符合歐洲電信標準局(European Telecommunication Standards Institute ETSI)規

範的要求

我們藉由提升微帶天線結構的高度來使設計的天線陣列能符合此系統頻段

的頻寬與增益要求

在論文中我們設計無鉚釘(via)的電磁帶隙結構(electromagnetic band-gap

EBG)也有人將此種結構稱為光子能隙(photonic band-gapPBG)透過結合微

帶天線可以了解電磁帶隙對天線性能的影響更進一步改善微帶天線的輻射場

形抑制介質中表面波的激發

ii

Worldwide Interoperability for Microwave Access (WiMAX)

High Gain Antenna Arrays with Electromagnetic Band-Gap

Structurersquos Applications

Student Jiang-Hong Chen Advisor Dr Yu-De Lin

Department of Communication Engineering

National Chiao Tung University

Abstract

WiMAX (Worldwide Interoperability for Microwave Access) has the

advantages wireless far-distance transmission and wideband It will be one of the

wireless communication system standards in the next generation In this thesis we

will research high gain antenna arrays suitable for 34GHz-37GHz WiMAX

communication system and it also satisfies ETSI specification

We use microstrip antennas by increasing the height of antenna structure to let

the antenna arrays can conform to this system bandwidth and gain requirement

In this thesis we will design an electromagnetic band-gap(EBG) structure

without via We also label it to photonic band-gap(PBG) By combining it with

microstrip antenna we can understand its effects on the properties of antenna

Further more we can improve the radiation patter of the microstrip antenna and

suppress surface waversquos exitation in the substrate

iii

謝 誌

首先我要誠摯地感謝我的指導教授--林育德博士這兩年來在學術研究及

專業領域上給我的許多指導使得我對於無線通訊系統與天線研究領域能有相當

程度的了解感謝口試委員林根煌教授洪萬鑄教授陳泰利教授前來協助

我們口試對於學生的論文內容加以指導使得論文得以更加完善 另外特別感謝實驗室林烈全學長提供在天線領域上的知識與研究上的心

得在碩士兩年時間對我在研究上的指導與幫助感謝實驗室學長阿德智聰

旻翰和彭哥在一年來不厭其煩的教導讓我們受益良多當然還要感謝實驗室

的同學奕翔陳鈺志豪和家綱這兩年來互相幫助互相成長以及學弟信良仁

佑和侑賢帶來生活上的樂趣 最後衷心感謝我最親愛的家人與親戚朋友因為有他們的全力支持與照

顧我才能無後顧之憂地完成研究所的學業

iv

目 錄

中文摘要 i

英文摘要 ii

謝誌 iii

目錄 iv

圖錄v

表錄 ix

第一章 導論1

11 工程背景與動機1

12 章節介紹2

第二章 基本理論與天線架構3

21 微帶貼片天線和陣列理論3

211 微帶貼片天線理論3

212 陣列理論6

22 天線結構9

221 單一微帶貼片天線設計9

222 高增益天線陣列設計13

第三章 電磁帶隙結構23

31 單位晶胞設計與截止帶比較23

32 電磁帶隙結構包圍方式之探討31

321 有限接地面的探討31

322 天線周圍包覆 PMC 32

323 輻射邊兩側包圍 PMC 35

33 電磁帶隙結構結合單一微帶天線37

34 電磁帶隙結構結合微帶天線陣列40

35 模擬與量測結果比較43

第四章 結論50

參考文獻51

v

圖 錄

圖 2-1微帶貼片天線示意圖 3

圖 2-2微帶天線等效傳輸線電路圖 5

圖 2-3點波源等間距之線性陣列 6

圖 2-4在不同間距時E-plane 的陣列因子8

圖 2-5在不同間距時H-plane 的陣列因子 8

圖 2-6懸浮微帶線結構(Suspended microstrip line configuration) 9

圖 2-7矩形微帶貼片天線示意圖 11

圖 2-8矩形微帶貼片天線反射損耗 12

圖 2-9矩形微帶貼片天線在中心頻率 355GHz 模擬的輻射場型12

圖 2-10饋入網路示意圖 13

圖 2-11天線陣列饋入網路之反射損耗及插入損耗模擬圖 13

圖 2-12天線陣列饋入網路各輸出埠相位差 14

圖 2-13三元天線陣列 14

圖 2-14三元天線陣列反射損耗 15

圖 2-15三元天線陣列在中心頻率 355GHz 模擬的輻射場型15

圖 2-16天線陣列結構俯視圖 16

圖 2-17天線陣列輻射場型 17

(a)34GHz17

(b)355GHz 17

(c)37GHz18

圖 2-18天線陣列輻射場型與 ETSI-mask 之比較 19

(a)34GHz19

(b)355GHz 19

(c)37GHz19

圖 2-19天線陣列模擬與量測之反射損耗 20

vi

圖 2-20天線陣列增益對頻率圖 21

圖 2-21天線陣列實體圖 22

(a)俯視圖 22

(b)側視圖 22

圖 3-1一維 EBG 結構電路圖 23

圖 3-2EBG 結構集總電路圖 24

圖 3-3微帶傳輸線 24

(a)俯視圖 24

(b)側視圖 24

圖 3-4微帶傳輸線之反射損耗與插入損耗 25

圖 3-5微帶線加上 EBG 結構正面與背面 25

(a)正面俯視圖 25

(b)背面俯視圖 25

圖 3-6微帶線加上 4mm2EBG 結構之晶胞大小與 S 參數比較 26

(a)單位晶胞大小 26

(b)反射損耗 26

(c)插入損耗 27

圖 3-7微帶線加上 6mm2EBG 結構之晶胞大小與 S 參數比較 27

(a)單位晶胞大小 27

(b)S 參數比較圖28

圖 3-8微帶線加上 8mm2EBG 結構之晶胞大小與 S 參數比較 28

(a)單位晶胞大小 28

(b)S 參數比較圖29

圖 3-9微帶線加上 10mm2EBG 結構之晶胞大小與 S 參數比較 29

(a)單位晶胞大小 29

(b)S 參數比較圖30

vii

圖 3-10有限接地面產生之輻射場型比較圖 31

圖 3-11介質中電場指向之強弱分布與感應磁流方向 32

圖 3-12天線周圍包覆 PMC33

圖 3-13天線周圍包覆 PMC 之輻射場型比較34

圖 3-14表面波在介質空間中分佈 35

圖 3-15輻射邊兩側包覆 PMC36

圖 3-16輻射邊兩側包覆 PMC 之輻射場型比較36

圖 3-17天線周圍包覆 EBG 之輻射場型比較 37

圖 3-18輻射邊兩側包覆 EBG 之輻射場型比較 38

圖 3-19較大接地面應用更多晶胞數改善輻射場型圖 39

圖 3-20原始天線陣列與應用 EBG 之天線陣列 40

圖 3-21原始天線陣列與應用 EBG 之天線陣列輻射場型比較 41

(a)34GHz41

(b)355GHz 41

(c)37GHz41

圖 3-22原始天線陣列與應用 EBG 之天線陣列與 ETSI-mask 比較 42

(a)34GHz42

(b)355GHz 42

(c)37GHz42

圖 3-23應用 EBG 之天線陣列結構圖 43

圖 3-24天線陣列輻射場型模擬與量測比較 44

(a)34GHz44

(b)355GHz 44

(c)37GHz45

圖 3-25天線陣列輻射場型與 ETSI-mask 比較 45

(a)34GHz45

viii

(b)355GHz 46

(c)37GHz46

圖 3-26天線陣列反射損耗模擬與量測比較 47

圖 3-27天線陣列增益對頻率圖 47

圖 3-28天線陣列實體圖 49

(a)俯視圖 49

(b)側視圖(空氣高度=05mm)49

(c)EBG 實體結構 49

ix

表 錄

表 2-1矩形微帶天線設計參數 11

表 2-2天線陣列設計參數 16

表 2-3ETSI-TS2 對輻射場型分布之要求18

表 2-4天線陣列增益對頻率表 21

表 3-1天線周圍包覆 PMC 之增益改善比較34

表 3-2輻射邊兩側包覆 PMC 之增益改善比較37

表 3-3天線周圍包覆 EBG 之增益改善比較 38

表 3-4輻射邊兩側包覆 EBG 之增益改善比較 39

表 3-5天線陣列設計參數 43

表 3-6天線陣列增益對頻率圖 48

1

第一章 導論

(Introduction)

11 工程背景與動機

近年來電信多媒體應用快速的成長及網路使用的普及化使用者需要的不

只是能夠在任何時間地點使用電信資訊服務且更需要增加使用頻寬及具有高傳

輸速率的無線通訊WiMAX(Worldwide Interoperability for Microwave Access)也

就是全球微波存取互通介面是一個逐漸發展的點對點或點對多點無線通訊網路

標準其不但可以提供使用者足夠的頻寬也能夠讓通訊服務業者不須要在地廣

人稀的地方佈線建立寬頻基礎建設而增加其營運成本因此許多開發中國家

及鄉村地區能透過建設 WiMAX 通訊系統以無線遠距寬頻的方式取代實體

寬頻佈線加速寬頻到家普及率

隨著無線通訊的興起天線所扮演的角色也日趨重要為了使資料的無線傳

輸達到寬頻要求天線的製作上就需要有一定的規範現行 WiMAX 覆蓋的頻段

有 253555 GHz(2500-26903400-36905250-5850 MHz)在每個國家各有不同

規定應用其中美規訂於 25GHz-269GHz而歐規訂於 34GHz-369GHz本論

文的天線陣列中心頻率設計於 355GHz為了符合 WiMAX 寬頻資料傳輸及涵蓋

範圍最大達 31 英哩的特性天線陣列的設計必須具有高增益及寬頻的特性因

此本論文的天線陣列以滿足歐洲電信標準局 (European Telecommunication

Standards Institute ETSI)規範為要求天線增益在全頻段須大於 14dBi而天線場

型符合 ETSI-TS2 mask

傳統上製作高增益天線以反射型天線[1]及透射型天線[2]為主為了減少

製作成本縮小體積我們使用了微帶天線陣列微帶天線的基本觀念早在 1950

年代就已經被提出微帶天線已應用於各方面需求針對微帶天線的寬頻設計方

2

式有利用厚空氣介質[3]饋入匹配電路[4]及使用間隙耦合貼片[5]來增加天線頻

寬另外由於有限接地面的限制會產生表面波在板材邊緣造成繞射現象使

天線的增益降低及輻射場型的扭曲為了抑制表面波的傳播我們使用電磁帶隙

(Electromagnetic Band-gap EBG)週期性結構讓某頻率範圍內禁止電磁波傳遞

這範圍也就是所謂的頻帶隙(Band-gap)由於 EBG 結構在頻帶隙產生了高阻抗表

面所以可以有效抑制表面波並提升天線性能

一般蘑菇型(mushroom)EBG 結構[6]雖易於抑制表面波的傳遞但其缺點為

製作不易因為它需要透過鉚釘(via)來達成以致增加許多成本因此在論文中

設計了無鉚釘的 EBG 結構以增加其實用性並且利用 EBG 排列包圍方式來結

合微帶天線改善輻射場型的扭曲[7]最後將結合 EBG 結構的高增益微帶天

線陣列進行實做及量測與模擬做統整與比較

12 章節介紹

本論文第二章介紹微帶貼片天線和陣列的基本原理及論文中所設計的天線

陣列結構第三章主要介紹電磁帶隙結構並對天線做一結合比較內容包括

電磁帶隙設計並使用於單一微帶天線及天線陣列最後模擬分析與量測比較

第四章為本文總結討論

3

第二章 基本理論與天線結構

(Basic Theory and Antenna Structure)

21 微帶貼片天線和陣列理論

211 微帶貼片天線理論

微帶貼片天線(Microstrip Patch Antenna)具有結構簡單製作方便高度實

用而且可以很容易地經由長度及寬度的控制來做效能微調等特性本論文中所

製作的高增益天線以縮小面積降低天線的剖面降低成本易於製作為主利

用微帶貼片天線的特色製作陣列以達到我們需要的高增益天線本論文中所設

計的天線陣列以矩形微帶貼片天線為主

矩形微帶貼片天線其結構包含了接地金屬面介電質基板還有饋入電路與

輻射金屬片如圖 2-1 所示

圖 2-1微帶貼片天線示意圖

4

其可以視為兩個相隔長度 L 的輻射槽(Radiating slot)每個槽的寬度相當於

基板的厚度 h長度則相當於貼片天線的 W理論上這兩個槽應該相距 λg2其

中 λg 為在介質中的波長在貼片天線中有兩個重要的參數等效介電常數

( effective dielectric constant )及等效貼片長度( effective length )由於貼片天線的

長和寬有限所以在天線邊緣附近的會有漏電場的現象此稱邊緣效應(edge

effect)而漏電場和貼片天線的寬度以及基板的介電常數厚度有關如果天線

的 L h 值遠大於 1則漏電場的現象不會太嚴重由於當考慮到邊緣效應貼片

天線上的電場在邊緣輻射時會同時經過介電材料及空氣所以等效介電常數便不

是原本板材的介電值藉由式(2-1)我們可以得到一等效介電常數 reffε 等效介電

常數的範圍通常為1 reff rε εlt lt

121 1 1 12 1

2 2r r

reffh W

W hε εε

minus+ minus ⎡ ⎤= + + lt⎢ ⎥⎣ ⎦ (2-1)

等效介電常數對於天線的 W 跟 L 有很大的影響貼片天線的寬度 W 是影響

天線輻射效率的最大因素其可由式(2-2)計算得知

12

0 12 2

rW λ ε minus+⎛ ⎞= ⎜ ⎟⎝ ⎠

(2-2)

而在天線輻射端的兩個槽因為邊緣效應的影響等效天線長度跟實際上的長度

會有2 LΔ 的差距由式(2-3)可以得到 LΔ

5

( )

( )

03 02640412

0258 08

reff

reff

WhL h

Wh

ε

ε

⎛ ⎞+ +⎜ ⎟⎝ ⎠Δ =⎛ ⎞minus +⎜ ⎟⎝ ⎠

(2-3)

得知 LΔ 後貼片天線的實際長度 2effL L L= minus Δ 其中 2eff gL λ= 微帶貼片天線

邊緣輸入阻抗一般介於 100~400 歐姆之間計算其輸入阻抗時可將天線的兩個

輻射槽各代表一並聯的導納 Y如圖 2-2 所示

圖 2-2微帶天線等效傳輸線電路圖

其中 G1 及 B1 的大小由天線的寬度 W 決定式(2-4)及式(2-5)為 W 與 G1 及 B1 的

關係式[9]由於在此討論的天線為矩形貼片天線天線兩邊的寬度會相同故

G2 及 B2 的大小分別與 G1 及 B1 相同而 Yc則為長度約為 2gλ 傳輸線的特性導

( )21 0

0 0

1 h1 01120 24

WG k hλ λ

⎡ ⎤= minus lt⎢ ⎥⎣ ⎦ (2-4)

01

0reff

k LBZ

εΔ= (2-5)

00

reff

hZW

ηε

= (2-6)

B1 G1 G2 B2

YC

6

求得導納之後由圖 2-2 等效傳輸線電路圖可得輸入阻抗 1in inR Y= 1 2inY Y Y= +

1Y 為槽一(slot1)的導納( 1 1 1Y G jB= + ) 2Y 為槽二(slot2)的導納( 2 2 2Y G jB= + )因

為共振長度為 2gλ 所以兩個輻射槽的電納相差 180∘( 1 2B B= minus )因此輸入導

納為 12G輸入阻抗則為 1 2R 天線的邊緣輸入阻抗求得之後我們可以利用 4λ

轉換線饋入與 50Ω接頭匹配方便饋入線(feeding line)的設計

212 陣列理論

設計天線陣列時其天線陣列的排列結構各元素間的距離各元素激發的

振幅與相位及單一元素的場型都會影響陣列的場型分佈[1]圖 2-3 為一點波源

等間距之線性陣列

圖 2-3點波源等間距之線性陣列

若元素間激發電流相位差為α一等能量饋入的天線陣列之陣列因子如式

(2-7)所示

1

00

AF cosN

jn

nA e dψ ψ β θ α

minus

=

= = +sum (2-7)

其中d為天線陣列元素的間距β 為波數θ為偏離Z軸之角度α 為元素間的相

位差

7

經過推導忽略其相位因子正歸化的陣列因子為

( ) ( )( )

sin 21sin 2

Nf

ψψ

⎡ ⎤= ⎢ ⎥

⎣ ⎦ (28)

在ψ =0時有最大值主波束的方向為

1cosdαθβ

minus ⎛ ⎞minus= ⎜ ⎟

⎝ ⎠ (29)

藉由陣列因子我們將可以預估理想狀況下天線陣列的輻射場型由於本論文天線

陣列由3times3陣列矩陣所組成且微帶天線場型是分佈在天線的垂射(broadside)方

向故在設計天線陣列的饋入網路時每個元素間所得到的能量應為等大小同

相位圖2-4及圖2-5分別為3times3天線陣列E-plane及H-plane在相同大小及相位時

所計算的陣列因子我們可以藉由適當間距的陣列因子與微帶天線的場型乘積

獲得理想上的天線陣列輻射場型分佈

8

圖 2-4在不同間距時E-plane 的陣列因子

圖 2-5在不同間距時H-plane 的陣列因子

9

22 天線結構

221 單一微帶貼片天線設計

由於微帶貼片天線是一共振型天線傳統上其頻寬較窄所以我們可以藉由

改變天線的形狀增加天線的共振路徑或者改變天線的結構以提高頻寬及增

設計微帶貼片天線時基板(substrate)影響天線效能較大的有三個參數介

質損耗(正比於 tanδ )介電常數( rε )以及厚度( h )其中介質損耗越小越好如

此可以提高天線效率及增益但相對的成本也較高而介電常數也是越小越好

如此可以增加頻寬提高天線的指向性及增益相對的天線的尺寸也越大厚度

則是越大越好如此可以提高天線效率及增益有效增加頻寬但厚度太大則容

易產生表面波使得部分能量被束缚在基板中無法輻射出去

基於上述基板對天線效能的影響以及本論文對頻寬及增益的要求我們採

用 FR4( 44rε = )玻璃纖維基板並且採用厚空氣介質如此可以有效降低等效介

電常數值及提高厚度藉以達到寬頻及高增益的特性如圖 2-6 所示

圖 2-6懸浮微帶線結構(Suspended microstrip line configuration)

10

如圖 2-6 加上 air gap 高度之後其等效介電常數會有所改變其可由式(2-10)

得到一近似值[10]

( )( )

rreff

r

h H hh H hε

εε+ minus⎡ ⎤⎣ ⎦=

+ minus (2-10)

另外懸浮微帶線的特性阻抗(假設 t=0)則由式(2-11)得到較精確的值以便設計

饋入網路[11]

2

0 10

2ln 12 re

FZu u

ηπ ε

⎡ ⎤⎛ ⎞⎢ ⎥= + + ⎜ ⎟⎢ ⎥⎝ ⎠⎣ ⎦ (2-11)

其中

( ) ( )07528306661 6 2 6 uF eπ minus= + minus (2-11a)

( )0 120η π= Ω Wuh

= (2-11b)

1

11 ln 1rer

h Wa bH h H h

εε

minus⎡ ⎤⎛ ⎞⎛ ⎞= + minus minus⎢ ⎥⎜ ⎟⎜ ⎟⎜ ⎟minus minus⎝ ⎠⎢ ⎥⎝ ⎠⎣ ⎦

(2-12)

其中

4

08621 0125ln haH h

⎡ ⎤⎛ ⎞= minus ⎜ ⎟⎢ ⎥minus⎝ ⎠⎣ ⎦ (2-12a)

4

04986 01397 ln hbH h

⎡ ⎤⎛ ⎞= minus ⎜ ⎟⎢ ⎥minus⎝ ⎠⎣ ⎦ (2-12b)

11

利用前面提到的矩形微帶天線基本理論將天線的寬度及長度求出把饋入網

路與天線元素在同一平面做一結合設計參數如表 2-1

Dielectric constant 44

Substrate thickness 08mm

Loss tangent 002

Air gap 5mm

Single patch size 416mm(W) x 335mm(L)

Feeding line width 0901mm

Feeding line length 1996mm

表 2-1矩形微帶天線設計參數

利用式(2-4)(2-5)及(2-6)求出天線邊緣的輸入阻抗再設計一四分之一波長

傳輸線饋入並以特性阻抗 Z0 的輸入埠進行模擬如圖 2-7 所示

圖 2-7矩形微帶貼片天線示意圖

Ground plane

65mm Patch antenna

W

L

Zt=9904Ω

Z0=50Ω

80mm

12

當天線共振時天線邊緣的輸入阻抗 inZ 可藉由 20in tZ Z Z= 計算得知接著

觀察中心頻率為 355GHz 的矩形微帶貼片天線其反射損耗與輻射場型圖 2-8

為反射損耗圖圖 2-9 為中心頻率 355GHz 模擬的輻射場型

圖 2-8矩形微帶貼片天線反射損耗

圖 2-9矩形微帶貼片天線在中心頻率 355GHz 模擬的輻射場型

Return Loss

13

222 高增益天線陣列設計

首先以微帶線並聯的饋入結構設計能量一分三的網路再利用傳輸線作阻

抗的匹配[13]最後再以其寬頻的特性饋入到天線陣列圖 2-10 為饋入網路示意

圖圖 2-11 及圖 2-12 分別為饋入網路之反射損耗(Return Loss)插入損耗

(Insertion Loss)以及各輸出埠相位圖

圖 2-10饋入網路示意圖

圖 2-11天線陣列饋入網路之反射損耗及插入損耗模擬圖

14

圖 2-12天線陣列饋入網路各輸出埠相位差

從圖 2-11 可以發現各輸出埠的能量在不同頻率的變化實線為埠一(port1)

的反射損耗其餘為埠二三及四的插入損耗在工作頻率的範圍輸出埠的能

量差值在 2dB 以內而每個輸出埠在工作頻率的相位差為 20deg以內

接著我們利用圖 2-10 的分歧器輸出埠接上天線三元天線陣列如圖 2-13

觀察其反射損耗(圖 2-14)與輻射場型(圖 2-15)

圖 2-13三元天線陣列

15

圖 2-14三元天線陣列反射損耗

圖 2-15三元天線陣列在中心頻率 355GHz 模擬的輻射場型

由圖 2-14圖 2-15 了解到反射損耗在工作頻段(34GHz~37GHz)滿足要求

觀察輻射場型發現增益已可達到 12dBi此時再利用一組能量一分三的分歧器

設計總天線陣列預計為三乘以三共九個元素的天線陣列設計參數如表 2-2

16

Dielectric constant(topbottom) 44 44

Substrate thickness(topbottom) 08mm 16mm

Loss tangent 002

Air gap 5mm

Upper substrate size 250mm x 200mm

Ground size 300mm x 250mm

表 2-2天線陣列設計參數

圖 2-16 為天線陣列結構圖由於饋入網路阻抗匹配與相位差對天線陣列影

響非常大所以設計其信號饋入端為 50Ω以符合實際上使用的 SMA 接頭使

饋入網路匹配

圖 2-16天線陣列結構俯視圖

17

圖 2-17 為天線陣列在(a)34GHz(b)355GHz(c)37GHz 的輻射場型從圖

中可看出模擬與量測的輻射場型相當接近增益也能達到要求

(a)34GHz

(b)355GHz

18

(c)37GHz

圖 2-17天線陣列輻射場型

天線結構確定之後對於其輻射場型的分布需求要符合 ETSI-TS2 的規範

表 2-3 為 ETSI-TS2 對輻射場型分布的要求以下針對輻射場型與 ETSI-mask 做

一比較如圖 2-18 所示從圖中發現除了 34GHz 些微超出標準之外其餘頻

段都能滿足輻射場型要求之後會將改善的部份再做比較

表 2-3ETSI-TS2 對輻射場型分布之要求

19

(a)34GHz

(b)355GHz

(c)37GHz

圖 2-18天線陣列輻射場型與 ETSI-mask 之比較

20

圖 2-19 為天線陣列模擬與量測的反射損耗其工作頻率與設計之天線相去

不遠均包含 34GHz~37GHz圖 2-20 為實際量測的增益對頻率的變化圖其

增益的全頻段都能大於 14dBi其中某些頻率點可看出 E-plane 與 H-plane 所量

測到的最大增益值並不相同這主要的原因在於由饋入網路輸出端在在不同頻率

會有些微的相位差所致使得天線的最大增益值會些微偏移一個角度不過基

本上的趨勢還是相近

圖 2-19天線陣列模擬與量測之反射損耗

21

圖 2-20天線陣列增益對頻率圖

頻率(GHz) 33 34 35 36 37 38

E-plane 增益

(dBi) 1457 1619 1702 1634 1568 1429

H-plane 增益

(dB) 1421 1582 1624 1607 1581 1434

表 2-4天線陣列增益對頻率表

22

(a)俯視圖

(b)側視圖

圖 2-21天線陣列實體圖(a)俯視圖(b)側視圖

23

第三章 電磁帶隙結構與應用

(Electromagnetic Band-Gap Structure and Its Applications )

31 單位晶胞設計與截止帶比較

在天線中通常在較高之基板厚度及較大之介電常數時容易產生表面波

干擾天線輻射為了阻止表面波的傳遞論文中設計了高阻抗表面也就是所謂

的電磁帶隙(EBG)結構能有效抑制表面波提升天線效能

在近幾年許多微波領域的研究文獻利用光子能隙(Photonic Band-Gap

PBG)的概念也就是在介電係數成週期性排列的三維介電材料中電磁波經介

電函數散射後某些波段的電磁波強度會因破壞性干涉而呈現衰減無法在系統

內傳遞而在頻譜上形成截止帶[7][8]應用這個觀念在平面式傳輸線上設計具

有週期性幾何結構的電路造成電磁波在某些頻段無法傳遞而達到濾波的效果

由於使用於微波頻段所以稱此種結構為電磁帶隙或電磁能隙(Electromagnetic

Band-Gap EBG)結構

一個 EBG 結構電路時為一個電路之接地面在沿著某方向或平面做週期性

幾何結構變化所構成的電路如圖 3-1

圖 3-1一維 EBG 結構電路圖

利用 EBG 電路的週期性幾何結構形成一個電磁波的截止帶實線一個具

有寬頻與良好效能的帶止濾波器(Bandstop Filter)本論文使用共平面緊密電磁

帶隙結構(Uniplanar Compact EBG)如圖 3-2取代傳統的完整或切割連結通道

CellCell Cell Cell Cell d d d d TL TL TL TL

24

的平面結構每個單位細胞間以細線做連結細線提供了主要的電感效應每個

單位細胞間以狹縫做為區隔細狹縫間之互容效應與單位細胞之平面電容提供

了主要電容效應利用並接的電感電容效應來達到一寬頻的截止帶

圖 3-2EBG 結構集總電路圖

為了得到我們需要的截止帶首先模擬一個理想傳輸線當對照組(圖 3-3)

使用了介電常數值為 44 的 FR4 電路板厚度為 16mm觀察其反射損耗與插入

損耗從圖 3-4 了解到傳輸線從 1GHz 到 15GHz 反射損耗皆在-20dB 以下插入

損耗-3dB 以上

圖 3-3微帶傳輸線

(a) 俯視圖

(b) 側視圖

25

圖 3-4微帶傳輸線之反射損耗與插入損耗

利用電磁帶隙週期性二維的重複結構如圖 3-5可以找到我們所需要的截止

帶從微帶線的插入損耗可以明顯得到所設計的截止帶頻段跟單位晶胞的大小

成正相關整體電路的等效電感與等效電容越大相對的頻帶也會往低頻跑

(a)正面俯視圖 (b)背面俯視圖

圖 3-5微帶線加上 EBG 結構正面與背面

26

改變單位晶胞大小與截止帶之比較分別從(圖 3-6)4mm2(圖 3-7)6mm2(圖

3-8)8mm2(圖 3-9)10mm2的晶胞大小可以控制截止帶落在哪些區域

(b)反射損耗

a b

g

gs

h

(a)單位晶胞大小

a = 4 mmb = 37 mm s = g = 03 mm h = 18 mm

a

27

圖 3-6微帶線加上 4mm2EBG 結構之晶胞大小與 S 參數比較

從圖 3-6 可以得知從 10GHz 到 12GHz 有一較深之截止帶14GHz 之後也有

截止頻帶只是實驗目標以低頻為主故只模擬到 15GHz繼續改變晶胞大小

來設計低頻截止帶

a b

g

gs

h

(a)單位晶胞大小

a = 6 mm b = 57 mm s = g = 03 mm h = 28 mm

a

(c)插入損耗

28

圖 3-7微帶線加上 6mm2EBG 結構之晶胞大小與 S 參數比較

讓 EBG 晶胞變大(6mm2)跟預期結果相符可以得到更低頻的截止帶低頻帶

從 7GHz 到 9GHz高頻帶 10GHz 之後仍然存在極深之截止帶

(b)S參數比較圖

a bg

gs

h

(a)單位晶胞大小

a = 8 mm b = 76 mm s = g = 04 mm h = 37 mm

a

29

圖 3-8微帶線加上 8mm2EBG 結構之晶胞大小與 S 參數比較

從圖 3-8 的結果得到更低頻的截止帶座落於 43GHz~58GHz 及

61GHz~7GHz 由 於 論 文 中 所 設 計 的 WiMAX 天 線 陣 列 工 作 頻 率 在

34GHz~37GHz故需再將晶胞大小改變讓系統能夠共振在更低頻處

(b)S參數比較圖

a bg

gs

h

(a)單位晶胞大小

a = 10 mm b = 93 mm s = g = 07 mm h = 42 mm

a

30

圖 3-9微帶線加上 10mm2EBG 結構之晶胞大小與 S 參數比較

將週期性電磁帶隙結構結合微帶線可以設計出需要的截止帶圖 3-9 主要

的截止帶在 325GHz~4GHz 及 465GHz~58GHz已經達到需求的頻帶範圍下

個目標將結合微帶天線做改善與比較

(b)S參數比較圖

31

32 電磁帶隙結構包圍方式之探討

321 有限接地面的探討

由於設計的微帶天線主要是在邊射(Broad-side)方向輻射所以需要選擇一個

適當的接地面大小讓輻射場型得到一個最佳值理論上來說無限大的接地面

可以得到最平滑(Smooth)的輻射場型只在單邊輻射不會受到地面干擾實際

上在有限的空間必須選擇一個適當大小的接地面以符合成本與面積要求

而有限的接地面卻容易造成邊緣效應干擾[12]表面波在接地面邊緣產生繞射場

(Diffracted fields)形成新的波源以陣列因子的觀點來看多了新的波源會造

成輻射場型加乘上的消長如圖 3-10微帶貼片天線主要是以前後兩側差半波

長之邊輻射而有限接地面則會在邊緣產生感應磁流(Induced equivalent

magnetic current)如圖 3-11從電場的指向可以推得磁流的方向對照輻射

場型容易在邊射方向造成波紋(Ripple)

圖 3-10有限接地面產生之輻射場型比較圖

L

32

圖 3-11介質中電場指向之強弱分布與感應磁流方向

由於接地面的大小在 E-plane 會產生波紋來干擾輻射場型所以論文中以

EBG 週期性結構來做為一個完美磁導體(Perfect Magnetic ConductorPMC)也

就是人工 PMC(Artificial PMC)抑制邊緣電場的垂直入射減弱感應磁流的效

應以改善天線輻射場型

322 天線周圍包覆 PMC

傳統上 EBG 以圍滿的方式來改善微帶天線之增益與輻射[13]並透過晶胞

數的不斷增加來提高增益及改善輻射場型但晶胞數的增加將提高成本加大

EBG 面積及天線整體體積高達一定數量時反而會降低天線性能對於微帶貼

片天線而言EBG 在接地面太靠近天線輻射邊反而影響其輻射機制造成頻率

飄移因此論文中將探討 EBG 的包圍方式對天線性能之影響以有最佳效果

已知高阻抗表面可以阻擋介質中表面波的傳遞因此先透過理想 PMC 來代

替所設計之高阻抗表面 EBG 結構以分析其特性找出提升天性能的最佳包圍

33

方式

首先把天線周圍包覆 PMC 如圖 3-12以逼近的方式慢慢擴大 PMC 的面積

一圈 PMC 的寬度與設計的晶胞大小邊長一樣從輻射場型來看使用到第二圈

時可以得到最佳的輻射效能如圖 3-13PMC 包圍有其最佳範圍取得有效的包

圍方式可以讓天線輻射最佳化

圖 3-12天線周圍包覆 PMC

34

圖 3-13天線周圍包覆 PMC 之輻射場型比較

參考天線 一圈 PMC 二圈 PMC 三圈 PMC

0 度增益 357dBi 432dBi 545dBi 478dBi

增益改善 075dB 188dB 121dB

表 3-1天線周圍包覆 PMC 之增益改善比較

35

323 輻射邊兩側包覆 PMC

由於微帶天線之表面波傳遞方向以 xz 切面為主如圖 3-14因此在微帶天線

輻射邊的兩側擺放 EBG 結構以抑制其傳遞有效改善天線輻射場型首先使

用理想的 PMC 在天線輻射邊兩側包覆如圖 3-15對於 PMC 覆蓋面積的大小作一

探討變化 PMC 之覆蓋面積了解其對天線輻射場型的影響在邊射(broadside)

方向的輻射場型可以有效改善波紋讓旁波瓣(sidelobe)大幅度降低如圖 3-16

所示以兩列 PMC 可以達到較佳效果再增加一列 PMC 雖些許增加增益不

過 PMC 覆蓋的面積已達飽和因此從上述可知在結合 EBG 和微帶天線時

將有一最佳之覆蓋面積使用最適當之晶胞數來達到最佳的增益改善

圖 3-14表面波在介質空間中分布

36

圖 3-15輻射邊兩側包覆 PMC

圖 3-16輻射邊兩側包覆 PMC 之輻射場型比較

37

參考天線 一列 PMC 二列 PMC 三列 PMC

0 度增益 357dBi 528dBi 642dBi 644dBi

增益改善 171dB 285dB 287dB

表 3-2輻射邊兩側包覆 PMC 之增益改善比較

33 電磁帶隙結構結合單一微帶天線

以下將結合所設計之 EBG 結構和微帶天線以改善微帶天線之輻射場型干

擾從前述的探討先以圍繞式包圍天線做輻射場型比較如圖 3-17 所示

圖 3-17天線周圍包覆 EBG 之輻射場型比較

38

0 度增益

Ref patch antenna 357dBi

圍繞 EBG 572dBi

ΔGain 215dB

表 3-3天線周圍包覆 EBG 之增益改善比較

由於表面波之傳遞主要為 X 軸方向因此以 EBG 之較寬頻的維度來抑制 X

方向的表面波其結合方式如下以兩列 EBG 結構與天線結合比較如圖 3-18

圖 3-18輻射邊兩側包覆 EBG 之輻射場型比較

39

0 度增益

Ref patch antenna 357dBi

輻射邊包覆 EBG 577dBi

ΔGain 22dB

表 3-4輻射邊兩側包覆 EBG 之增益改善比較

兩種包覆 EBG 的情形做比較使用輻射邊兩側包覆 EBG 對表面波抑制可以

達到最直接的效果再對接地面做變化令輻射邊到接地面邊緣距離等於 15 倍

空氣中波長邊緣的等效感應磁流干擾最大在垂射(broadside)方向造成 30 度到

60 度的旁波瓣將晶胞數加到三列使得輻射場型能有最佳效果如圖 3-19 所示

圖 3-19較大接地面應用更多晶胞數改善輻射場型圖

40

34 電磁帶隙結構結合微帶天線陣列

第二章敘述之高增益天線陣列由於在 E-plane 產生較大之旁波瓣因此論

文將結合 EBG 結構與天線陣列改善輻射場型以符合 ETSI-TS2 規範要求

對原本的天線陣列與改善後的天線陣列作一比較如圖 3-20 為天線結構示意圖

俯視圖 yz 切面為表面波影響較大的面因此我們在 E-plane 兩側包覆 EBG使

用三列的 EBG 週期結構另外圖 3-21 為(a)34GHz(b)355GHz(c)37GHz

輻射場型在 E-plane 的改善比較可以發現在(a)跟(b)改善的效果特別明顯旁波

瓣減弱許多而(c)原本旁波瓣就不大所以改善較不明顯再跟 ETSI-mask 做

比較如圖 3-22改善後的天線陣列距離輻射場型標準線有較大之安全距離對實

作上的誤差影響會比較小以下針對輻射場型做一比較

圖 3-20原始天線陣列與應用 EBG 之天線陣列

41

(a)34GHz E-plane 輻射場型比較

(b)355GHz E-plane 輻射場型比較

(c)37GHz E-plane 輻射場型比較

圖 3-21原始天線陣列與應用 EBG 之天線陣列輻射場型比較

(a)34GHz (b)355GHz (c)37GHz

42

(a)34GHz E-plane

(b)355GHz E-plane

(a)37GHz E-plane

圖 3-22原始天線陣列與應用 EBG 之天線陣列與 ETSI-mask 比較

(a)34GHz (b)355GHz (c)37GHz

43

35 模擬與量測結果比較

由上述模擬的結果進行實作及量測的工作如圖 3-23 為微帶天線結合 EBG

結構的架構表 3-5 列出了板材的規格使用的基板是 FR4 玻璃纖維基板並架高

空氣高度為 5mm

Dielectric constant(topbottom) 44 44

Substrate thickness(topbottom) 08mm 16mm

Loss tangent 002

Air gap 5mm

Upper substrate size 250mm x 200mm

Ground size 300mm x 250mm

表 3-5天線陣列設計參數

圖 3-23應用 EBG 之天線陣列結構圖

44

圖 3-24 為天線陣列在 34GHz355GHz37GHz 的輻射場型從圖中可以

觀察模擬與量測場型蠻相近的

(a)34GHz

(b)355GHz

45

(c)37GHz

圖 3-24天線陣列輻射場型模擬與量測比較

對於其輻射場型的分布需求要符合 ETSI-TS2 的規範以下針對輻射場型與

ETSI-mask 做一比較如圖 3-25 所示從圖中發現實作及量測輻射場型全部

工作頻段都能滿足 mask 要求完成一組高增益天線陣列

(a)34GHz

46

(b)355GHz

(c)37GHz

圖 3-25天線陣列輻射場型與 ETSI-mask 比較

圖 3-26 為天線陣列模擬與量測的反射損耗其工作頻率與設計之天線相去

不遠均包含 34GHz~37GHz頻寬設計較大的原因在於避免外在因素造成的頻

飄量測出來可達 33GHz~39GHz略往高頻飄不過與設計的反射損耗相當接

近圖 3-27 為實際量測的增益對頻率的變化圖其增益的全頻段都能大於

14dBiE-plane 與 H-plane 也較為接近整理數據如表 3-6

47

圖 3-26天線陣列反射損耗模擬與量測比較

圖 3-27天線陣列增益對頻率圖

48

頻率(GHz) 33 34 35 36 37 38

E-plane 增益

(dBi) 1485 1591 1620 1687 1627 1507

H-plane 增益

(dBi) 1421 1565 1598 1629 1607 1518

表 3-6天線陣列增益對頻率表

49

圖 3-28 為實體圖俯視圖側視圖與 EBG 實際大小比較

(a) 俯視圖

(b) 側視圖(空氣高度=05mm)

(c)EBG 實體結構

圖 3-28天線陣列實體圖

50

第四章 結論

(Conclusion)

本論文主要是研究適用於基地台的 WiMAX 頻段高增益天線陣列並控制其

頻寬增益及輻射場型能夠符合 ETSI(European Telecommunication Standards

Institute)的規範在論文第二章中提出的高增益天線陣列是利用一個能量分歧

器把能量等效分成三份的饋入網路接上三組一樣的三元素陣列矩形微帶天線所

組成的天線陣列最高增益可達到 17dBi工作頻率的增益都能超過要求的

14dBi輻射場型符合 ETSI-TS2 規範另外本論文所提出的天線陣列為印刷式

天線不但具有輕量化的特性且大幅降低製作上的困難度也減輕了成本的負擔

透過本論文所設計之 EBG 可有效降低傳統 EBG 結構的製程僅以 FR4 板

材即可自行實作比較無須鉚釘並提出有效提升微帶天線增益的包圍方式在

有限的接地面下可選擇適當的晶胞數來改善天線陣列的輻射場型抑制表面波

對天線的干擾讓邊際效應產生的感應磁流干擾降到最低最後在實作及量測部

分驗證我們模擬的結果

51

參考文獻

[1] W L Stutzman and G A Thiele Antenna Theory and Design 2nd ed New York

Wiley 1998

[2] A Balanis Antenna Theory Analysis and Design New York Wiley 1997

[3] R Gardelli G La Cono and M Albani ldquoA low-cost suspended patch antenna for

WLAN access points and point-to-point linksrdquo IEEE Antennas and Propagat vol

3 no 1 pp 90-93 2004

[4] H F Pues and A R Van de capelle ldquoAn impedance-matching technique for

increasing the bandwidth of microstrip antennasrdquo IEEE Trans on Antennas and

Propagat vol 37 no 11 pp 1345-1354 Nov 1989

[5] Q Song and XndashX Zhang ldquoA study on wideband gap-coupled microstrip antenna

arraysrdquo IEEE Trans On Antennas and Propagat vol 43 no 3 pp 313-317 Mar

1995

[6] D Sievenpiper L Z Romulo F J Broas N G Alexopolous and E Yablonovitch

ldquoHigh-impedance electromagnetic surfaces with a forbidden frequency bandrdquo

IEEE Trans Microwave Theory Tech vol 47 no 11 pp 311-335 Nov 1999

[7] F-R Yang K-P Ma Y Qian and T Itoh ldquo A Uniplanar Compact

Photonic-Bandgap (UC-PBG) Structure and Its Applications for Microwave

Circuitsrdquo IEEE Trans MTT vol 47 Aug 1999

[8] M F Abedin M Z Azad and M Ali ldquo wideband smaller unit-cell planar EBG

structures and their applicationrdquo IEEE Trans On Antenna and Propagat vol 56

no 3 pp 903-908 Mar 2008

[9] I J Bahl and P Bhartia Microstrip Antennas Artech House 1980

[10] JR James and P S Hall Handbook of Microstrip Antennas LondonPeter

Peregrinus Ltd 1989

52

[11] K C Gupta R Garg I J Bahl P Bhartia Microstrip Lines and Slotlines 2nd ed

Norwood MAArtech House 1996

[12] T Namiki Y Murayama and K Ito ldquo Improving radiation-pattern distortion of a

patch antenna having a finite ground planerdquo IEEE Trans On Antenna and

Propagat vol 51 no 3 pp 478-482 Mar 2003

[13] R Coccioli F-R Yang K-P Ma and T Itoh ldquo Aperture-coupled patch antenna

on UC-PBG substraterdquo IEEE Trans Microwave Theory Tech vol 47 no 11 pp

2123-2130 Nov 1999

[14] F Yang and Y Rahmat-samii ldquo Microstrip antenna integrated with

electromagnetic band-gap (EBG) structure a low mutual coupling design for array

applicationrdquo IEEE Trans On Antenna and Propagat vol 51 no 10 pp

2936-2946 Oct2003

[15] Z Iluz R Shavit and R Bauer ldquo Microstrip antenna phased array with

electromagnetic bandgap substraterdquo IEEE Trans On Antenna and Propagat vol

52 no 6 pp 1446-1453 June 2004

  • 封面pdf
  • 摘要與目錄pdf
  • 論文_終稿_pdf
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false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP 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 FRA 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 ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP 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 FRA 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全球微波存取互通介面高增益天線陣列及電磁帶隙結構之應用

Worldwide Interoperability for Microwave Access (WiMAX) High Gain

Antenna Arrays with Electromagnetic Band-Gap Structurersquos Applications

研究生 陳建宏 Student Jiang-Hong Chen

指導教授 林育德 博士 Advisor Dr Yu-De Lin

國 立 交 通 大 學

電信工程學系碩士班

碩士論文

A Thesis

Submitted to Department of Communication Engineering

College of Electrical Engineering and Computer Science

National Chiao Tung University

In Partial Fulfillment of the Requirements

For the Degree of

Master of Science

In

Communication Engineering

June 2008

Hsinchu Taiwan Republic of China

中 華 民 國 九 十 七 年 六 月

i

全球微波存取互通介面高增益天線陣列及電磁帶隙結構之

應用

研究生陳建宏 指導教授林育德 博士

國立交通大學 電信工程學系

摘要

全球微波存取互通介面(Worldwide Interoperability for Microwave Access

WiMAX)具有無線遠距傳輸寬頻等優點將是下一代無線通訊系統標準之ㄧ

本論文中我們將研究適用於 34GHz-37GHz 頻段的高增益天線陣列並且能

夠符合歐洲電信標準局(European Telecommunication Standards Institute ETSI)規

範的要求

我們藉由提升微帶天線結構的高度來使設計的天線陣列能符合此系統頻段

的頻寬與增益要求

在論文中我們設計無鉚釘(via)的電磁帶隙結構(electromagnetic band-gap

EBG)也有人將此種結構稱為光子能隙(photonic band-gapPBG)透過結合微

帶天線可以了解電磁帶隙對天線性能的影響更進一步改善微帶天線的輻射場

形抑制介質中表面波的激發

ii

Worldwide Interoperability for Microwave Access (WiMAX)

High Gain Antenna Arrays with Electromagnetic Band-Gap

Structurersquos Applications

Student Jiang-Hong Chen Advisor Dr Yu-De Lin

Department of Communication Engineering

National Chiao Tung University

Abstract

WiMAX (Worldwide Interoperability for Microwave Access) has the

advantages wireless far-distance transmission and wideband It will be one of the

wireless communication system standards in the next generation In this thesis we

will research high gain antenna arrays suitable for 34GHz-37GHz WiMAX

communication system and it also satisfies ETSI specification

We use microstrip antennas by increasing the height of antenna structure to let

the antenna arrays can conform to this system bandwidth and gain requirement

In this thesis we will design an electromagnetic band-gap(EBG) structure

without via We also label it to photonic band-gap(PBG) By combining it with

microstrip antenna we can understand its effects on the properties of antenna

Further more we can improve the radiation patter of the microstrip antenna and

suppress surface waversquos exitation in the substrate

iii

謝 誌

首先我要誠摯地感謝我的指導教授--林育德博士這兩年來在學術研究及

專業領域上給我的許多指導使得我對於無線通訊系統與天線研究領域能有相當

程度的了解感謝口試委員林根煌教授洪萬鑄教授陳泰利教授前來協助

我們口試對於學生的論文內容加以指導使得論文得以更加完善 另外特別感謝實驗室林烈全學長提供在天線領域上的知識與研究上的心

得在碩士兩年時間對我在研究上的指導與幫助感謝實驗室學長阿德智聰

旻翰和彭哥在一年來不厭其煩的教導讓我們受益良多當然還要感謝實驗室

的同學奕翔陳鈺志豪和家綱這兩年來互相幫助互相成長以及學弟信良仁

佑和侑賢帶來生活上的樂趣 最後衷心感謝我最親愛的家人與親戚朋友因為有他們的全力支持與照

顧我才能無後顧之憂地完成研究所的學業

iv

目 錄

中文摘要 i

英文摘要 ii

謝誌 iii

目錄 iv

圖錄v

表錄 ix

第一章 導論1

11 工程背景與動機1

12 章節介紹2

第二章 基本理論與天線架構3

21 微帶貼片天線和陣列理論3

211 微帶貼片天線理論3

212 陣列理論6

22 天線結構9

221 單一微帶貼片天線設計9

222 高增益天線陣列設計13

第三章 電磁帶隙結構23

31 單位晶胞設計與截止帶比較23

32 電磁帶隙結構包圍方式之探討31

321 有限接地面的探討31

322 天線周圍包覆 PMC 32

323 輻射邊兩側包圍 PMC 35

33 電磁帶隙結構結合單一微帶天線37

34 電磁帶隙結構結合微帶天線陣列40

35 模擬與量測結果比較43

第四章 結論50

參考文獻51

v

圖 錄

圖 2-1微帶貼片天線示意圖 3

圖 2-2微帶天線等效傳輸線電路圖 5

圖 2-3點波源等間距之線性陣列 6

圖 2-4在不同間距時E-plane 的陣列因子8

圖 2-5在不同間距時H-plane 的陣列因子 8

圖 2-6懸浮微帶線結構(Suspended microstrip line configuration) 9

圖 2-7矩形微帶貼片天線示意圖 11

圖 2-8矩形微帶貼片天線反射損耗 12

圖 2-9矩形微帶貼片天線在中心頻率 355GHz 模擬的輻射場型12

圖 2-10饋入網路示意圖 13

圖 2-11天線陣列饋入網路之反射損耗及插入損耗模擬圖 13

圖 2-12天線陣列饋入網路各輸出埠相位差 14

圖 2-13三元天線陣列 14

圖 2-14三元天線陣列反射損耗 15

圖 2-15三元天線陣列在中心頻率 355GHz 模擬的輻射場型15

圖 2-16天線陣列結構俯視圖 16

圖 2-17天線陣列輻射場型 17

(a)34GHz17

(b)355GHz 17

(c)37GHz18

圖 2-18天線陣列輻射場型與 ETSI-mask 之比較 19

(a)34GHz19

(b)355GHz 19

(c)37GHz19

圖 2-19天線陣列模擬與量測之反射損耗 20

vi

圖 2-20天線陣列增益對頻率圖 21

圖 2-21天線陣列實體圖 22

(a)俯視圖 22

(b)側視圖 22

圖 3-1一維 EBG 結構電路圖 23

圖 3-2EBG 結構集總電路圖 24

圖 3-3微帶傳輸線 24

(a)俯視圖 24

(b)側視圖 24

圖 3-4微帶傳輸線之反射損耗與插入損耗 25

圖 3-5微帶線加上 EBG 結構正面與背面 25

(a)正面俯視圖 25

(b)背面俯視圖 25

圖 3-6微帶線加上 4mm2EBG 結構之晶胞大小與 S 參數比較 26

(a)單位晶胞大小 26

(b)反射損耗 26

(c)插入損耗 27

圖 3-7微帶線加上 6mm2EBG 結構之晶胞大小與 S 參數比較 27

(a)單位晶胞大小 27

(b)S 參數比較圖28

圖 3-8微帶線加上 8mm2EBG 結構之晶胞大小與 S 參數比較 28

(a)單位晶胞大小 28

(b)S 參數比較圖29

圖 3-9微帶線加上 10mm2EBG 結構之晶胞大小與 S 參數比較 29

(a)單位晶胞大小 29

(b)S 參數比較圖30

vii

圖 3-10有限接地面產生之輻射場型比較圖 31

圖 3-11介質中電場指向之強弱分布與感應磁流方向 32

圖 3-12天線周圍包覆 PMC33

圖 3-13天線周圍包覆 PMC 之輻射場型比較34

圖 3-14表面波在介質空間中分佈 35

圖 3-15輻射邊兩側包覆 PMC36

圖 3-16輻射邊兩側包覆 PMC 之輻射場型比較36

圖 3-17天線周圍包覆 EBG 之輻射場型比較 37

圖 3-18輻射邊兩側包覆 EBG 之輻射場型比較 38

圖 3-19較大接地面應用更多晶胞數改善輻射場型圖 39

圖 3-20原始天線陣列與應用 EBG 之天線陣列 40

圖 3-21原始天線陣列與應用 EBG 之天線陣列輻射場型比較 41

(a)34GHz41

(b)355GHz 41

(c)37GHz41

圖 3-22原始天線陣列與應用 EBG 之天線陣列與 ETSI-mask 比較 42

(a)34GHz42

(b)355GHz 42

(c)37GHz42

圖 3-23應用 EBG 之天線陣列結構圖 43

圖 3-24天線陣列輻射場型模擬與量測比較 44

(a)34GHz44

(b)355GHz 44

(c)37GHz45

圖 3-25天線陣列輻射場型與 ETSI-mask 比較 45

(a)34GHz45

viii

(b)355GHz 46

(c)37GHz46

圖 3-26天線陣列反射損耗模擬與量測比較 47

圖 3-27天線陣列增益對頻率圖 47

圖 3-28天線陣列實體圖 49

(a)俯視圖 49

(b)側視圖(空氣高度=05mm)49

(c)EBG 實體結構 49

ix

表 錄

表 2-1矩形微帶天線設計參數 11

表 2-2天線陣列設計參數 16

表 2-3ETSI-TS2 對輻射場型分布之要求18

表 2-4天線陣列增益對頻率表 21

表 3-1天線周圍包覆 PMC 之增益改善比較34

表 3-2輻射邊兩側包覆 PMC 之增益改善比較37

表 3-3天線周圍包覆 EBG 之增益改善比較 38

表 3-4輻射邊兩側包覆 EBG 之增益改善比較 39

表 3-5天線陣列設計參數 43

表 3-6天線陣列增益對頻率圖 48

1

第一章 導論

(Introduction)

11 工程背景與動機

近年來電信多媒體應用快速的成長及網路使用的普及化使用者需要的不

只是能夠在任何時間地點使用電信資訊服務且更需要增加使用頻寬及具有高傳

輸速率的無線通訊WiMAX(Worldwide Interoperability for Microwave Access)也

就是全球微波存取互通介面是一個逐漸發展的點對點或點對多點無線通訊網路

標準其不但可以提供使用者足夠的頻寬也能夠讓通訊服務業者不須要在地廣

人稀的地方佈線建立寬頻基礎建設而增加其營運成本因此許多開發中國家

及鄉村地區能透過建設 WiMAX 通訊系統以無線遠距寬頻的方式取代實體

寬頻佈線加速寬頻到家普及率

隨著無線通訊的興起天線所扮演的角色也日趨重要為了使資料的無線傳

輸達到寬頻要求天線的製作上就需要有一定的規範現行 WiMAX 覆蓋的頻段

有 253555 GHz(2500-26903400-36905250-5850 MHz)在每個國家各有不同

規定應用其中美規訂於 25GHz-269GHz而歐規訂於 34GHz-369GHz本論

文的天線陣列中心頻率設計於 355GHz為了符合 WiMAX 寬頻資料傳輸及涵蓋

範圍最大達 31 英哩的特性天線陣列的設計必須具有高增益及寬頻的特性因

此本論文的天線陣列以滿足歐洲電信標準局 (European Telecommunication

Standards Institute ETSI)規範為要求天線增益在全頻段須大於 14dBi而天線場

型符合 ETSI-TS2 mask

傳統上製作高增益天線以反射型天線[1]及透射型天線[2]為主為了減少

製作成本縮小體積我們使用了微帶天線陣列微帶天線的基本觀念早在 1950

年代就已經被提出微帶天線已應用於各方面需求針對微帶天線的寬頻設計方

2

式有利用厚空氣介質[3]饋入匹配電路[4]及使用間隙耦合貼片[5]來增加天線頻

寬另外由於有限接地面的限制會產生表面波在板材邊緣造成繞射現象使

天線的增益降低及輻射場型的扭曲為了抑制表面波的傳播我們使用電磁帶隙

(Electromagnetic Band-gap EBG)週期性結構讓某頻率範圍內禁止電磁波傳遞

這範圍也就是所謂的頻帶隙(Band-gap)由於 EBG 結構在頻帶隙產生了高阻抗表

面所以可以有效抑制表面波並提升天線性能

一般蘑菇型(mushroom)EBG 結構[6]雖易於抑制表面波的傳遞但其缺點為

製作不易因為它需要透過鉚釘(via)來達成以致增加許多成本因此在論文中

設計了無鉚釘的 EBG 結構以增加其實用性並且利用 EBG 排列包圍方式來結

合微帶天線改善輻射場型的扭曲[7]最後將結合 EBG 結構的高增益微帶天

線陣列進行實做及量測與模擬做統整與比較

12 章節介紹

本論文第二章介紹微帶貼片天線和陣列的基本原理及論文中所設計的天線

陣列結構第三章主要介紹電磁帶隙結構並對天線做一結合比較內容包括

電磁帶隙設計並使用於單一微帶天線及天線陣列最後模擬分析與量測比較

第四章為本文總結討論

3

第二章 基本理論與天線結構

(Basic Theory and Antenna Structure)

21 微帶貼片天線和陣列理論

211 微帶貼片天線理論

微帶貼片天線(Microstrip Patch Antenna)具有結構簡單製作方便高度實

用而且可以很容易地經由長度及寬度的控制來做效能微調等特性本論文中所

製作的高增益天線以縮小面積降低天線的剖面降低成本易於製作為主利

用微帶貼片天線的特色製作陣列以達到我們需要的高增益天線本論文中所設

計的天線陣列以矩形微帶貼片天線為主

矩形微帶貼片天線其結構包含了接地金屬面介電質基板還有饋入電路與

輻射金屬片如圖 2-1 所示

圖 2-1微帶貼片天線示意圖

4

其可以視為兩個相隔長度 L 的輻射槽(Radiating slot)每個槽的寬度相當於

基板的厚度 h長度則相當於貼片天線的 W理論上這兩個槽應該相距 λg2其

中 λg 為在介質中的波長在貼片天線中有兩個重要的參數等效介電常數

( effective dielectric constant )及等效貼片長度( effective length )由於貼片天線的

長和寬有限所以在天線邊緣附近的會有漏電場的現象此稱邊緣效應(edge

effect)而漏電場和貼片天線的寬度以及基板的介電常數厚度有關如果天線

的 L h 值遠大於 1則漏電場的現象不會太嚴重由於當考慮到邊緣效應貼片

天線上的電場在邊緣輻射時會同時經過介電材料及空氣所以等效介電常數便不

是原本板材的介電值藉由式(2-1)我們可以得到一等效介電常數 reffε 等效介電

常數的範圍通常為1 reff rε εlt lt

121 1 1 12 1

2 2r r

reffh W

W hε εε

minus+ minus ⎡ ⎤= + + lt⎢ ⎥⎣ ⎦ (2-1)

等效介電常數對於天線的 W 跟 L 有很大的影響貼片天線的寬度 W 是影響

天線輻射效率的最大因素其可由式(2-2)計算得知

12

0 12 2

rW λ ε minus+⎛ ⎞= ⎜ ⎟⎝ ⎠

(2-2)

而在天線輻射端的兩個槽因為邊緣效應的影響等效天線長度跟實際上的長度

會有2 LΔ 的差距由式(2-3)可以得到 LΔ

5

( )

( )

03 02640412

0258 08

reff

reff

WhL h

Wh

ε

ε

⎛ ⎞+ +⎜ ⎟⎝ ⎠Δ =⎛ ⎞minus +⎜ ⎟⎝ ⎠

(2-3)

得知 LΔ 後貼片天線的實際長度 2effL L L= minus Δ 其中 2eff gL λ= 微帶貼片天線

邊緣輸入阻抗一般介於 100~400 歐姆之間計算其輸入阻抗時可將天線的兩個

輻射槽各代表一並聯的導納 Y如圖 2-2 所示

圖 2-2微帶天線等效傳輸線電路圖

其中 G1 及 B1 的大小由天線的寬度 W 決定式(2-4)及式(2-5)為 W 與 G1 及 B1 的

關係式[9]由於在此討論的天線為矩形貼片天線天線兩邊的寬度會相同故

G2 及 B2 的大小分別與 G1 及 B1 相同而 Yc則為長度約為 2gλ 傳輸線的特性導

( )21 0

0 0

1 h1 01120 24

WG k hλ λ

⎡ ⎤= minus lt⎢ ⎥⎣ ⎦ (2-4)

01

0reff

k LBZ

εΔ= (2-5)

00

reff

hZW

ηε

= (2-6)

B1 G1 G2 B2

YC

6

求得導納之後由圖 2-2 等效傳輸線電路圖可得輸入阻抗 1in inR Y= 1 2inY Y Y= +

1Y 為槽一(slot1)的導納( 1 1 1Y G jB= + ) 2Y 為槽二(slot2)的導納( 2 2 2Y G jB= + )因

為共振長度為 2gλ 所以兩個輻射槽的電納相差 180∘( 1 2B B= minus )因此輸入導

納為 12G輸入阻抗則為 1 2R 天線的邊緣輸入阻抗求得之後我們可以利用 4λ

轉換線饋入與 50Ω接頭匹配方便饋入線(feeding line)的設計

212 陣列理論

設計天線陣列時其天線陣列的排列結構各元素間的距離各元素激發的

振幅與相位及單一元素的場型都會影響陣列的場型分佈[1]圖 2-3 為一點波源

等間距之線性陣列

圖 2-3點波源等間距之線性陣列

若元素間激發電流相位差為α一等能量饋入的天線陣列之陣列因子如式

(2-7)所示

1

00

AF cosN

jn

nA e dψ ψ β θ α

minus

=

= = +sum (2-7)

其中d為天線陣列元素的間距β 為波數θ為偏離Z軸之角度α 為元素間的相

位差

7

經過推導忽略其相位因子正歸化的陣列因子為

( ) ( )( )

sin 21sin 2

Nf

ψψ

⎡ ⎤= ⎢ ⎥

⎣ ⎦ (28)

在ψ =0時有最大值主波束的方向為

1cosdαθβ

minus ⎛ ⎞minus= ⎜ ⎟

⎝ ⎠ (29)

藉由陣列因子我們將可以預估理想狀況下天線陣列的輻射場型由於本論文天線

陣列由3times3陣列矩陣所組成且微帶天線場型是分佈在天線的垂射(broadside)方

向故在設計天線陣列的饋入網路時每個元素間所得到的能量應為等大小同

相位圖2-4及圖2-5分別為3times3天線陣列E-plane及H-plane在相同大小及相位時

所計算的陣列因子我們可以藉由適當間距的陣列因子與微帶天線的場型乘積

獲得理想上的天線陣列輻射場型分佈

8

圖 2-4在不同間距時E-plane 的陣列因子

圖 2-5在不同間距時H-plane 的陣列因子

9

22 天線結構

221 單一微帶貼片天線設計

由於微帶貼片天線是一共振型天線傳統上其頻寬較窄所以我們可以藉由

改變天線的形狀增加天線的共振路徑或者改變天線的結構以提高頻寬及增

設計微帶貼片天線時基板(substrate)影響天線效能較大的有三個參數介

質損耗(正比於 tanδ )介電常數( rε )以及厚度( h )其中介質損耗越小越好如

此可以提高天線效率及增益但相對的成本也較高而介電常數也是越小越好

如此可以增加頻寬提高天線的指向性及增益相對的天線的尺寸也越大厚度

則是越大越好如此可以提高天線效率及增益有效增加頻寬但厚度太大則容

易產生表面波使得部分能量被束缚在基板中無法輻射出去

基於上述基板對天線效能的影響以及本論文對頻寬及增益的要求我們採

用 FR4( 44rε = )玻璃纖維基板並且採用厚空氣介質如此可以有效降低等效介

電常數值及提高厚度藉以達到寬頻及高增益的特性如圖 2-6 所示

圖 2-6懸浮微帶線結構(Suspended microstrip line configuration)

10

如圖 2-6 加上 air gap 高度之後其等效介電常數會有所改變其可由式(2-10)

得到一近似值[10]

( )( )

rreff

r

h H hh H hε

εε+ minus⎡ ⎤⎣ ⎦=

+ minus (2-10)

另外懸浮微帶線的特性阻抗(假設 t=0)則由式(2-11)得到較精確的值以便設計

饋入網路[11]

2

0 10

2ln 12 re

FZu u

ηπ ε

⎡ ⎤⎛ ⎞⎢ ⎥= + + ⎜ ⎟⎢ ⎥⎝ ⎠⎣ ⎦ (2-11)

其中

( ) ( )07528306661 6 2 6 uF eπ minus= + minus (2-11a)

( )0 120η π= Ω Wuh

= (2-11b)

1

11 ln 1rer

h Wa bH h H h

εε

minus⎡ ⎤⎛ ⎞⎛ ⎞= + minus minus⎢ ⎥⎜ ⎟⎜ ⎟⎜ ⎟minus minus⎝ ⎠⎢ ⎥⎝ ⎠⎣ ⎦

(2-12)

其中

4

08621 0125ln haH h

⎡ ⎤⎛ ⎞= minus ⎜ ⎟⎢ ⎥minus⎝ ⎠⎣ ⎦ (2-12a)

4

04986 01397 ln hbH h

⎡ ⎤⎛ ⎞= minus ⎜ ⎟⎢ ⎥minus⎝ ⎠⎣ ⎦ (2-12b)

11

利用前面提到的矩形微帶天線基本理論將天線的寬度及長度求出把饋入網

路與天線元素在同一平面做一結合設計參數如表 2-1

Dielectric constant 44

Substrate thickness 08mm

Loss tangent 002

Air gap 5mm

Single patch size 416mm(W) x 335mm(L)

Feeding line width 0901mm

Feeding line length 1996mm

表 2-1矩形微帶天線設計參數

利用式(2-4)(2-5)及(2-6)求出天線邊緣的輸入阻抗再設計一四分之一波長

傳輸線饋入並以特性阻抗 Z0 的輸入埠進行模擬如圖 2-7 所示

圖 2-7矩形微帶貼片天線示意圖

Ground plane

65mm Patch antenna

W

L

Zt=9904Ω

Z0=50Ω

80mm

12

當天線共振時天線邊緣的輸入阻抗 inZ 可藉由 20in tZ Z Z= 計算得知接著

觀察中心頻率為 355GHz 的矩形微帶貼片天線其反射損耗與輻射場型圖 2-8

為反射損耗圖圖 2-9 為中心頻率 355GHz 模擬的輻射場型

圖 2-8矩形微帶貼片天線反射損耗

圖 2-9矩形微帶貼片天線在中心頻率 355GHz 模擬的輻射場型

Return Loss

13

222 高增益天線陣列設計

首先以微帶線並聯的饋入結構設計能量一分三的網路再利用傳輸線作阻

抗的匹配[13]最後再以其寬頻的特性饋入到天線陣列圖 2-10 為饋入網路示意

圖圖 2-11 及圖 2-12 分別為饋入網路之反射損耗(Return Loss)插入損耗

(Insertion Loss)以及各輸出埠相位圖

圖 2-10饋入網路示意圖

圖 2-11天線陣列饋入網路之反射損耗及插入損耗模擬圖

14

圖 2-12天線陣列饋入網路各輸出埠相位差

從圖 2-11 可以發現各輸出埠的能量在不同頻率的變化實線為埠一(port1)

的反射損耗其餘為埠二三及四的插入損耗在工作頻率的範圍輸出埠的能

量差值在 2dB 以內而每個輸出埠在工作頻率的相位差為 20deg以內

接著我們利用圖 2-10 的分歧器輸出埠接上天線三元天線陣列如圖 2-13

觀察其反射損耗(圖 2-14)與輻射場型(圖 2-15)

圖 2-13三元天線陣列

15

圖 2-14三元天線陣列反射損耗

圖 2-15三元天線陣列在中心頻率 355GHz 模擬的輻射場型

由圖 2-14圖 2-15 了解到反射損耗在工作頻段(34GHz~37GHz)滿足要求

觀察輻射場型發現增益已可達到 12dBi此時再利用一組能量一分三的分歧器

設計總天線陣列預計為三乘以三共九個元素的天線陣列設計參數如表 2-2

16

Dielectric constant(topbottom) 44 44

Substrate thickness(topbottom) 08mm 16mm

Loss tangent 002

Air gap 5mm

Upper substrate size 250mm x 200mm

Ground size 300mm x 250mm

表 2-2天線陣列設計參數

圖 2-16 為天線陣列結構圖由於饋入網路阻抗匹配與相位差對天線陣列影

響非常大所以設計其信號饋入端為 50Ω以符合實際上使用的 SMA 接頭使

饋入網路匹配

圖 2-16天線陣列結構俯視圖

17

圖 2-17 為天線陣列在(a)34GHz(b)355GHz(c)37GHz 的輻射場型從圖

中可看出模擬與量測的輻射場型相當接近增益也能達到要求

(a)34GHz

(b)355GHz

18

(c)37GHz

圖 2-17天線陣列輻射場型

天線結構確定之後對於其輻射場型的分布需求要符合 ETSI-TS2 的規範

表 2-3 為 ETSI-TS2 對輻射場型分布的要求以下針對輻射場型與 ETSI-mask 做

一比較如圖 2-18 所示從圖中發現除了 34GHz 些微超出標準之外其餘頻

段都能滿足輻射場型要求之後會將改善的部份再做比較

表 2-3ETSI-TS2 對輻射場型分布之要求

19

(a)34GHz

(b)355GHz

(c)37GHz

圖 2-18天線陣列輻射場型與 ETSI-mask 之比較

20

圖 2-19 為天線陣列模擬與量測的反射損耗其工作頻率與設計之天線相去

不遠均包含 34GHz~37GHz圖 2-20 為實際量測的增益對頻率的變化圖其

增益的全頻段都能大於 14dBi其中某些頻率點可看出 E-plane 與 H-plane 所量

測到的最大增益值並不相同這主要的原因在於由饋入網路輸出端在在不同頻率

會有些微的相位差所致使得天線的最大增益值會些微偏移一個角度不過基

本上的趨勢還是相近

圖 2-19天線陣列模擬與量測之反射損耗

21

圖 2-20天線陣列增益對頻率圖

頻率(GHz) 33 34 35 36 37 38

E-plane 增益

(dBi) 1457 1619 1702 1634 1568 1429

H-plane 增益

(dB) 1421 1582 1624 1607 1581 1434

表 2-4天線陣列增益對頻率表

22

(a)俯視圖

(b)側視圖

圖 2-21天線陣列實體圖(a)俯視圖(b)側視圖

23

第三章 電磁帶隙結構與應用

(Electromagnetic Band-Gap Structure and Its Applications )

31 單位晶胞設計與截止帶比較

在天線中通常在較高之基板厚度及較大之介電常數時容易產生表面波

干擾天線輻射為了阻止表面波的傳遞論文中設計了高阻抗表面也就是所謂

的電磁帶隙(EBG)結構能有效抑制表面波提升天線效能

在近幾年許多微波領域的研究文獻利用光子能隙(Photonic Band-Gap

PBG)的概念也就是在介電係數成週期性排列的三維介電材料中電磁波經介

電函數散射後某些波段的電磁波強度會因破壞性干涉而呈現衰減無法在系統

內傳遞而在頻譜上形成截止帶[7][8]應用這個觀念在平面式傳輸線上設計具

有週期性幾何結構的電路造成電磁波在某些頻段無法傳遞而達到濾波的效果

由於使用於微波頻段所以稱此種結構為電磁帶隙或電磁能隙(Electromagnetic

Band-Gap EBG)結構

一個 EBG 結構電路時為一個電路之接地面在沿著某方向或平面做週期性

幾何結構變化所構成的電路如圖 3-1

圖 3-1一維 EBG 結構電路圖

利用 EBG 電路的週期性幾何結構形成一個電磁波的截止帶實線一個具

有寬頻與良好效能的帶止濾波器(Bandstop Filter)本論文使用共平面緊密電磁

帶隙結構(Uniplanar Compact EBG)如圖 3-2取代傳統的完整或切割連結通道

CellCell Cell Cell Cell d d d d TL TL TL TL

24

的平面結構每個單位細胞間以細線做連結細線提供了主要的電感效應每個

單位細胞間以狹縫做為區隔細狹縫間之互容效應與單位細胞之平面電容提供

了主要電容效應利用並接的電感電容效應來達到一寬頻的截止帶

圖 3-2EBG 結構集總電路圖

為了得到我們需要的截止帶首先模擬一個理想傳輸線當對照組(圖 3-3)

使用了介電常數值為 44 的 FR4 電路板厚度為 16mm觀察其反射損耗與插入

損耗從圖 3-4 了解到傳輸線從 1GHz 到 15GHz 反射損耗皆在-20dB 以下插入

損耗-3dB 以上

圖 3-3微帶傳輸線

(a) 俯視圖

(b) 側視圖

25

圖 3-4微帶傳輸線之反射損耗與插入損耗

利用電磁帶隙週期性二維的重複結構如圖 3-5可以找到我們所需要的截止

帶從微帶線的插入損耗可以明顯得到所設計的截止帶頻段跟單位晶胞的大小

成正相關整體電路的等效電感與等效電容越大相對的頻帶也會往低頻跑

(a)正面俯視圖 (b)背面俯視圖

圖 3-5微帶線加上 EBG 結構正面與背面

26

改變單位晶胞大小與截止帶之比較分別從(圖 3-6)4mm2(圖 3-7)6mm2(圖

3-8)8mm2(圖 3-9)10mm2的晶胞大小可以控制截止帶落在哪些區域

(b)反射損耗

a b

g

gs

h

(a)單位晶胞大小

a = 4 mmb = 37 mm s = g = 03 mm h = 18 mm

a

27

圖 3-6微帶線加上 4mm2EBG 結構之晶胞大小與 S 參數比較

從圖 3-6 可以得知從 10GHz 到 12GHz 有一較深之截止帶14GHz 之後也有

截止頻帶只是實驗目標以低頻為主故只模擬到 15GHz繼續改變晶胞大小

來設計低頻截止帶

a b

g

gs

h

(a)單位晶胞大小

a = 6 mm b = 57 mm s = g = 03 mm h = 28 mm

a

(c)插入損耗

28

圖 3-7微帶線加上 6mm2EBG 結構之晶胞大小與 S 參數比較

讓 EBG 晶胞變大(6mm2)跟預期結果相符可以得到更低頻的截止帶低頻帶

從 7GHz 到 9GHz高頻帶 10GHz 之後仍然存在極深之截止帶

(b)S參數比較圖

a bg

gs

h

(a)單位晶胞大小

a = 8 mm b = 76 mm s = g = 04 mm h = 37 mm

a

29

圖 3-8微帶線加上 8mm2EBG 結構之晶胞大小與 S 參數比較

從圖 3-8 的結果得到更低頻的截止帶座落於 43GHz~58GHz 及

61GHz~7GHz 由 於 論 文 中 所 設 計 的 WiMAX 天 線 陣 列 工 作 頻 率 在

34GHz~37GHz故需再將晶胞大小改變讓系統能夠共振在更低頻處

(b)S參數比較圖

a bg

gs

h

(a)單位晶胞大小

a = 10 mm b = 93 mm s = g = 07 mm h = 42 mm

a

30

圖 3-9微帶線加上 10mm2EBG 結構之晶胞大小與 S 參數比較

將週期性電磁帶隙結構結合微帶線可以設計出需要的截止帶圖 3-9 主要

的截止帶在 325GHz~4GHz 及 465GHz~58GHz已經達到需求的頻帶範圍下

個目標將結合微帶天線做改善與比較

(b)S參數比較圖

31

32 電磁帶隙結構包圍方式之探討

321 有限接地面的探討

由於設計的微帶天線主要是在邊射(Broad-side)方向輻射所以需要選擇一個

適當的接地面大小讓輻射場型得到一個最佳值理論上來說無限大的接地面

可以得到最平滑(Smooth)的輻射場型只在單邊輻射不會受到地面干擾實際

上在有限的空間必須選擇一個適當大小的接地面以符合成本與面積要求

而有限的接地面卻容易造成邊緣效應干擾[12]表面波在接地面邊緣產生繞射場

(Diffracted fields)形成新的波源以陣列因子的觀點來看多了新的波源會造

成輻射場型加乘上的消長如圖 3-10微帶貼片天線主要是以前後兩側差半波

長之邊輻射而有限接地面則會在邊緣產生感應磁流(Induced equivalent

magnetic current)如圖 3-11從電場的指向可以推得磁流的方向對照輻射

場型容易在邊射方向造成波紋(Ripple)

圖 3-10有限接地面產生之輻射場型比較圖

L

32

圖 3-11介質中電場指向之強弱分布與感應磁流方向

由於接地面的大小在 E-plane 會產生波紋來干擾輻射場型所以論文中以

EBG 週期性結構來做為一個完美磁導體(Perfect Magnetic ConductorPMC)也

就是人工 PMC(Artificial PMC)抑制邊緣電場的垂直入射減弱感應磁流的效

應以改善天線輻射場型

322 天線周圍包覆 PMC

傳統上 EBG 以圍滿的方式來改善微帶天線之增益與輻射[13]並透過晶胞

數的不斷增加來提高增益及改善輻射場型但晶胞數的增加將提高成本加大

EBG 面積及天線整體體積高達一定數量時反而會降低天線性能對於微帶貼

片天線而言EBG 在接地面太靠近天線輻射邊反而影響其輻射機制造成頻率

飄移因此論文中將探討 EBG 的包圍方式對天線性能之影響以有最佳效果

已知高阻抗表面可以阻擋介質中表面波的傳遞因此先透過理想 PMC 來代

替所設計之高阻抗表面 EBG 結構以分析其特性找出提升天性能的最佳包圍

33

方式

首先把天線周圍包覆 PMC 如圖 3-12以逼近的方式慢慢擴大 PMC 的面積

一圈 PMC 的寬度與設計的晶胞大小邊長一樣從輻射場型來看使用到第二圈

時可以得到最佳的輻射效能如圖 3-13PMC 包圍有其最佳範圍取得有效的包

圍方式可以讓天線輻射最佳化

圖 3-12天線周圍包覆 PMC

34

圖 3-13天線周圍包覆 PMC 之輻射場型比較

參考天線 一圈 PMC 二圈 PMC 三圈 PMC

0 度增益 357dBi 432dBi 545dBi 478dBi

增益改善 075dB 188dB 121dB

表 3-1天線周圍包覆 PMC 之增益改善比較

35

323 輻射邊兩側包覆 PMC

由於微帶天線之表面波傳遞方向以 xz 切面為主如圖 3-14因此在微帶天線

輻射邊的兩側擺放 EBG 結構以抑制其傳遞有效改善天線輻射場型首先使

用理想的 PMC 在天線輻射邊兩側包覆如圖 3-15對於 PMC 覆蓋面積的大小作一

探討變化 PMC 之覆蓋面積了解其對天線輻射場型的影響在邊射(broadside)

方向的輻射場型可以有效改善波紋讓旁波瓣(sidelobe)大幅度降低如圖 3-16

所示以兩列 PMC 可以達到較佳效果再增加一列 PMC 雖些許增加增益不

過 PMC 覆蓋的面積已達飽和因此從上述可知在結合 EBG 和微帶天線時

將有一最佳之覆蓋面積使用最適當之晶胞數來達到最佳的增益改善

圖 3-14表面波在介質空間中分布

36

圖 3-15輻射邊兩側包覆 PMC

圖 3-16輻射邊兩側包覆 PMC 之輻射場型比較

37

參考天線 一列 PMC 二列 PMC 三列 PMC

0 度增益 357dBi 528dBi 642dBi 644dBi

增益改善 171dB 285dB 287dB

表 3-2輻射邊兩側包覆 PMC 之增益改善比較

33 電磁帶隙結構結合單一微帶天線

以下將結合所設計之 EBG 結構和微帶天線以改善微帶天線之輻射場型干

擾從前述的探討先以圍繞式包圍天線做輻射場型比較如圖 3-17 所示

圖 3-17天線周圍包覆 EBG 之輻射場型比較

38

0 度增益

Ref patch antenna 357dBi

圍繞 EBG 572dBi

ΔGain 215dB

表 3-3天線周圍包覆 EBG 之增益改善比較

由於表面波之傳遞主要為 X 軸方向因此以 EBG 之較寬頻的維度來抑制 X

方向的表面波其結合方式如下以兩列 EBG 結構與天線結合比較如圖 3-18

圖 3-18輻射邊兩側包覆 EBG 之輻射場型比較

39

0 度增益

Ref patch antenna 357dBi

輻射邊包覆 EBG 577dBi

ΔGain 22dB

表 3-4輻射邊兩側包覆 EBG 之增益改善比較

兩種包覆 EBG 的情形做比較使用輻射邊兩側包覆 EBG 對表面波抑制可以

達到最直接的效果再對接地面做變化令輻射邊到接地面邊緣距離等於 15 倍

空氣中波長邊緣的等效感應磁流干擾最大在垂射(broadside)方向造成 30 度到

60 度的旁波瓣將晶胞數加到三列使得輻射場型能有最佳效果如圖 3-19 所示

圖 3-19較大接地面應用更多晶胞數改善輻射場型圖

40

34 電磁帶隙結構結合微帶天線陣列

第二章敘述之高增益天線陣列由於在 E-plane 產生較大之旁波瓣因此論

文將結合 EBG 結構與天線陣列改善輻射場型以符合 ETSI-TS2 規範要求

對原本的天線陣列與改善後的天線陣列作一比較如圖 3-20 為天線結構示意圖

俯視圖 yz 切面為表面波影響較大的面因此我們在 E-plane 兩側包覆 EBG使

用三列的 EBG 週期結構另外圖 3-21 為(a)34GHz(b)355GHz(c)37GHz

輻射場型在 E-plane 的改善比較可以發現在(a)跟(b)改善的效果特別明顯旁波

瓣減弱許多而(c)原本旁波瓣就不大所以改善較不明顯再跟 ETSI-mask 做

比較如圖 3-22改善後的天線陣列距離輻射場型標準線有較大之安全距離對實

作上的誤差影響會比較小以下針對輻射場型做一比較

圖 3-20原始天線陣列與應用 EBG 之天線陣列

41

(a)34GHz E-plane 輻射場型比較

(b)355GHz E-plane 輻射場型比較

(c)37GHz E-plane 輻射場型比較

圖 3-21原始天線陣列與應用 EBG 之天線陣列輻射場型比較

(a)34GHz (b)355GHz (c)37GHz

42

(a)34GHz E-plane

(b)355GHz E-plane

(a)37GHz E-plane

圖 3-22原始天線陣列與應用 EBG 之天線陣列與 ETSI-mask 比較

(a)34GHz (b)355GHz (c)37GHz

43

35 模擬與量測結果比較

由上述模擬的結果進行實作及量測的工作如圖 3-23 為微帶天線結合 EBG

結構的架構表 3-5 列出了板材的規格使用的基板是 FR4 玻璃纖維基板並架高

空氣高度為 5mm

Dielectric constant(topbottom) 44 44

Substrate thickness(topbottom) 08mm 16mm

Loss tangent 002

Air gap 5mm

Upper substrate size 250mm x 200mm

Ground size 300mm x 250mm

表 3-5天線陣列設計參數

圖 3-23應用 EBG 之天線陣列結構圖

44

圖 3-24 為天線陣列在 34GHz355GHz37GHz 的輻射場型從圖中可以

觀察模擬與量測場型蠻相近的

(a)34GHz

(b)355GHz

45

(c)37GHz

圖 3-24天線陣列輻射場型模擬與量測比較

對於其輻射場型的分布需求要符合 ETSI-TS2 的規範以下針對輻射場型與

ETSI-mask 做一比較如圖 3-25 所示從圖中發現實作及量測輻射場型全部

工作頻段都能滿足 mask 要求完成一組高增益天線陣列

(a)34GHz

46

(b)355GHz

(c)37GHz

圖 3-25天線陣列輻射場型與 ETSI-mask 比較

圖 3-26 為天線陣列模擬與量測的反射損耗其工作頻率與設計之天線相去

不遠均包含 34GHz~37GHz頻寬設計較大的原因在於避免外在因素造成的頻

飄量測出來可達 33GHz~39GHz略往高頻飄不過與設計的反射損耗相當接

近圖 3-27 為實際量測的增益對頻率的變化圖其增益的全頻段都能大於

14dBiE-plane 與 H-plane 也較為接近整理數據如表 3-6

47

圖 3-26天線陣列反射損耗模擬與量測比較

圖 3-27天線陣列增益對頻率圖

48

頻率(GHz) 33 34 35 36 37 38

E-plane 增益

(dBi) 1485 1591 1620 1687 1627 1507

H-plane 增益

(dBi) 1421 1565 1598 1629 1607 1518

表 3-6天線陣列增益對頻率表

49

圖 3-28 為實體圖俯視圖側視圖與 EBG 實際大小比較

(a) 俯視圖

(b) 側視圖(空氣高度=05mm)

(c)EBG 實體結構

圖 3-28天線陣列實體圖

50

第四章 結論

(Conclusion)

本論文主要是研究適用於基地台的 WiMAX 頻段高增益天線陣列並控制其

頻寬增益及輻射場型能夠符合 ETSI(European Telecommunication Standards

Institute)的規範在論文第二章中提出的高增益天線陣列是利用一個能量分歧

器把能量等效分成三份的饋入網路接上三組一樣的三元素陣列矩形微帶天線所

組成的天線陣列最高增益可達到 17dBi工作頻率的增益都能超過要求的

14dBi輻射場型符合 ETSI-TS2 規範另外本論文所提出的天線陣列為印刷式

天線不但具有輕量化的特性且大幅降低製作上的困難度也減輕了成本的負擔

透過本論文所設計之 EBG 可有效降低傳統 EBG 結構的製程僅以 FR4 板

材即可自行實作比較無須鉚釘並提出有效提升微帶天線增益的包圍方式在

有限的接地面下可選擇適當的晶胞數來改善天線陣列的輻射場型抑制表面波

對天線的干擾讓邊際效應產生的感應磁流干擾降到最低最後在實作及量測部

分驗證我們模擬的結果

51

參考文獻

[1] W L Stutzman and G A Thiele Antenna Theory and Design 2nd ed New York

Wiley 1998

[2] A Balanis Antenna Theory Analysis and Design New York Wiley 1997

[3] R Gardelli G La Cono and M Albani ldquoA low-cost suspended patch antenna for

WLAN access points and point-to-point linksrdquo IEEE Antennas and Propagat vol

3 no 1 pp 90-93 2004

[4] H F Pues and A R Van de capelle ldquoAn impedance-matching technique for

increasing the bandwidth of microstrip antennasrdquo IEEE Trans on Antennas and

Propagat vol 37 no 11 pp 1345-1354 Nov 1989

[5] Q Song and XndashX Zhang ldquoA study on wideband gap-coupled microstrip antenna

arraysrdquo IEEE Trans On Antennas and Propagat vol 43 no 3 pp 313-317 Mar

1995

[6] D Sievenpiper L Z Romulo F J Broas N G Alexopolous and E Yablonovitch

ldquoHigh-impedance electromagnetic surfaces with a forbidden frequency bandrdquo

IEEE Trans Microwave Theory Tech vol 47 no 11 pp 311-335 Nov 1999

[7] F-R Yang K-P Ma Y Qian and T Itoh ldquo A Uniplanar Compact

Photonic-Bandgap (UC-PBG) Structure and Its Applications for Microwave

Circuitsrdquo IEEE Trans MTT vol 47 Aug 1999

[8] M F Abedin M Z Azad and M Ali ldquo wideband smaller unit-cell planar EBG

structures and their applicationrdquo IEEE Trans On Antenna and Propagat vol 56

no 3 pp 903-908 Mar 2008

[9] I J Bahl and P Bhartia Microstrip Antennas Artech House 1980

[10] JR James and P S Hall Handbook of Microstrip Antennas LondonPeter

Peregrinus Ltd 1989

52

[11] K C Gupta R Garg I J Bahl P Bhartia Microstrip Lines and Slotlines 2nd ed

Norwood MAArtech House 1996

[12] T Namiki Y Murayama and K Ito ldquo Improving radiation-pattern distortion of a

patch antenna having a finite ground planerdquo IEEE Trans On Antenna and

Propagat vol 51 no 3 pp 478-482 Mar 2003

[13] R Coccioli F-R Yang K-P Ma and T Itoh ldquo Aperture-coupled patch antenna

on UC-PBG substraterdquo IEEE Trans Microwave Theory Tech vol 47 no 11 pp

2123-2130 Nov 1999

[14] F Yang and Y Rahmat-samii ldquo Microstrip antenna integrated with

electromagnetic band-gap (EBG) structure a low mutual coupling design for array

applicationrdquo IEEE Trans On Antenna and Propagat vol 51 no 10 pp

2936-2946 Oct2003

[15] Z Iluz R Shavit and R Bauer ldquo Microstrip antenna phased array with

electromagnetic bandgap substraterdquo IEEE Trans On Antenna and Propagat vol

52 no 6 pp 1446-1453 June 2004

  • 封面pdf
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ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP 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 FRA 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 ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP 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 FRA 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 ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN ltFEFF004200720075006700200069006e0064007300740069006c006c0069006e006700650072006e0065002000740069006c0020006100740020006f007000720065007400740065002000410064006f006200650020005000440046002d0064006f006b0075006d0065006e007400650072002000740069006c0020006b00760061006c00690074006500740073007500640073006b007200690076006e0069006e006700200065006c006c006500720020006b006f007200720065006b007400750072006c00e60073006e0069006e0067002e0020004400650020006f007000720065007400740065006400650020005000440046002d0064006f006b0075006d0065006e0074006500720020006b0061006e002000e50062006e00650073002000690020004100630072006f00620061007400200065006c006c006500720020004100630072006f006200610074002000520065006100640065007200200035002e00300020006f00670020006e0079006500720065002egt DEU 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 ESP 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 FRA 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 ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 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i

全球微波存取互通介面高增益天線陣列及電磁帶隙結構之

應用

研究生陳建宏 指導教授林育德 博士

國立交通大學 電信工程學系

摘要

全球微波存取互通介面(Worldwide Interoperability for Microwave Access

WiMAX)具有無線遠距傳輸寬頻等優點將是下一代無線通訊系統標準之ㄧ

本論文中我們將研究適用於 34GHz-37GHz 頻段的高增益天線陣列並且能

夠符合歐洲電信標準局(European Telecommunication Standards Institute ETSI)規

範的要求

我們藉由提升微帶天線結構的高度來使設計的天線陣列能符合此系統頻段

的頻寬與增益要求

在論文中我們設計無鉚釘(via)的電磁帶隙結構(electromagnetic band-gap

EBG)也有人將此種結構稱為光子能隙(photonic band-gapPBG)透過結合微

帶天線可以了解電磁帶隙對天線性能的影響更進一步改善微帶天線的輻射場

形抑制介質中表面波的激發

ii

Worldwide Interoperability for Microwave Access (WiMAX)

High Gain Antenna Arrays with Electromagnetic Band-Gap

Structurersquos Applications

Student Jiang-Hong Chen Advisor Dr Yu-De Lin

Department of Communication Engineering

National Chiao Tung University

Abstract

WiMAX (Worldwide Interoperability for Microwave Access) has the

advantages wireless far-distance transmission and wideband It will be one of the

wireless communication system standards in the next generation In this thesis we

will research high gain antenna arrays suitable for 34GHz-37GHz WiMAX

communication system and it also satisfies ETSI specification

We use microstrip antennas by increasing the height of antenna structure to let

the antenna arrays can conform to this system bandwidth and gain requirement

In this thesis we will design an electromagnetic band-gap(EBG) structure

without via We also label it to photonic band-gap(PBG) By combining it with

microstrip antenna we can understand its effects on the properties of antenna

Further more we can improve the radiation patter of the microstrip antenna and

suppress surface waversquos exitation in the substrate

iii

謝 誌

首先我要誠摯地感謝我的指導教授--林育德博士這兩年來在學術研究及

專業領域上給我的許多指導使得我對於無線通訊系統與天線研究領域能有相當

程度的了解感謝口試委員林根煌教授洪萬鑄教授陳泰利教授前來協助

我們口試對於學生的論文內容加以指導使得論文得以更加完善 另外特別感謝實驗室林烈全學長提供在天線領域上的知識與研究上的心

得在碩士兩年時間對我在研究上的指導與幫助感謝實驗室學長阿德智聰

旻翰和彭哥在一年來不厭其煩的教導讓我們受益良多當然還要感謝實驗室

的同學奕翔陳鈺志豪和家綱這兩年來互相幫助互相成長以及學弟信良仁

佑和侑賢帶來生活上的樂趣 最後衷心感謝我最親愛的家人與親戚朋友因為有他們的全力支持與照

顧我才能無後顧之憂地完成研究所的學業

iv

目 錄

中文摘要 i

英文摘要 ii

謝誌 iii

目錄 iv

圖錄v

表錄 ix

第一章 導論1

11 工程背景與動機1

12 章節介紹2

第二章 基本理論與天線架構3

21 微帶貼片天線和陣列理論3

211 微帶貼片天線理論3

212 陣列理論6

22 天線結構9

221 單一微帶貼片天線設計9

222 高增益天線陣列設計13

第三章 電磁帶隙結構23

31 單位晶胞設計與截止帶比較23

32 電磁帶隙結構包圍方式之探討31

321 有限接地面的探討31

322 天線周圍包覆 PMC 32

323 輻射邊兩側包圍 PMC 35

33 電磁帶隙結構結合單一微帶天線37

34 電磁帶隙結構結合微帶天線陣列40

35 模擬與量測結果比較43

第四章 結論50

參考文獻51

v

圖 錄

圖 2-1微帶貼片天線示意圖 3

圖 2-2微帶天線等效傳輸線電路圖 5

圖 2-3點波源等間距之線性陣列 6

圖 2-4在不同間距時E-plane 的陣列因子8

圖 2-5在不同間距時H-plane 的陣列因子 8

圖 2-6懸浮微帶線結構(Suspended microstrip line configuration) 9

圖 2-7矩形微帶貼片天線示意圖 11

圖 2-8矩形微帶貼片天線反射損耗 12

圖 2-9矩形微帶貼片天線在中心頻率 355GHz 模擬的輻射場型12

圖 2-10饋入網路示意圖 13

圖 2-11天線陣列饋入網路之反射損耗及插入損耗模擬圖 13

圖 2-12天線陣列饋入網路各輸出埠相位差 14

圖 2-13三元天線陣列 14

圖 2-14三元天線陣列反射損耗 15

圖 2-15三元天線陣列在中心頻率 355GHz 模擬的輻射場型15

圖 2-16天線陣列結構俯視圖 16

圖 2-17天線陣列輻射場型 17

(a)34GHz17

(b)355GHz 17

(c)37GHz18

圖 2-18天線陣列輻射場型與 ETSI-mask 之比較 19

(a)34GHz19

(b)355GHz 19

(c)37GHz19

圖 2-19天線陣列模擬與量測之反射損耗 20

vi

圖 2-20天線陣列增益對頻率圖 21

圖 2-21天線陣列實體圖 22

(a)俯視圖 22

(b)側視圖 22

圖 3-1一維 EBG 結構電路圖 23

圖 3-2EBG 結構集總電路圖 24

圖 3-3微帶傳輸線 24

(a)俯視圖 24

(b)側視圖 24

圖 3-4微帶傳輸線之反射損耗與插入損耗 25

圖 3-5微帶線加上 EBG 結構正面與背面 25

(a)正面俯視圖 25

(b)背面俯視圖 25

圖 3-6微帶線加上 4mm2EBG 結構之晶胞大小與 S 參數比較 26

(a)單位晶胞大小 26

(b)反射損耗 26

(c)插入損耗 27

圖 3-7微帶線加上 6mm2EBG 結構之晶胞大小與 S 參數比較 27

(a)單位晶胞大小 27

(b)S 參數比較圖28

圖 3-8微帶線加上 8mm2EBG 結構之晶胞大小與 S 參數比較 28

(a)單位晶胞大小 28

(b)S 參數比較圖29

圖 3-9微帶線加上 10mm2EBG 結構之晶胞大小與 S 參數比較 29

(a)單位晶胞大小 29

(b)S 參數比較圖30

vii

圖 3-10有限接地面產生之輻射場型比較圖 31

圖 3-11介質中電場指向之強弱分布與感應磁流方向 32

圖 3-12天線周圍包覆 PMC33

圖 3-13天線周圍包覆 PMC 之輻射場型比較34

圖 3-14表面波在介質空間中分佈 35

圖 3-15輻射邊兩側包覆 PMC36

圖 3-16輻射邊兩側包覆 PMC 之輻射場型比較36

圖 3-17天線周圍包覆 EBG 之輻射場型比較 37

圖 3-18輻射邊兩側包覆 EBG 之輻射場型比較 38

圖 3-19較大接地面應用更多晶胞數改善輻射場型圖 39

圖 3-20原始天線陣列與應用 EBG 之天線陣列 40

圖 3-21原始天線陣列與應用 EBG 之天線陣列輻射場型比較 41

(a)34GHz41

(b)355GHz 41

(c)37GHz41

圖 3-22原始天線陣列與應用 EBG 之天線陣列與 ETSI-mask 比較 42

(a)34GHz42

(b)355GHz 42

(c)37GHz42

圖 3-23應用 EBG 之天線陣列結構圖 43

圖 3-24天線陣列輻射場型模擬與量測比較 44

(a)34GHz44

(b)355GHz 44

(c)37GHz45

圖 3-25天線陣列輻射場型與 ETSI-mask 比較 45

(a)34GHz45

viii

(b)355GHz 46

(c)37GHz46

圖 3-26天線陣列反射損耗模擬與量測比較 47

圖 3-27天線陣列增益對頻率圖 47

圖 3-28天線陣列實體圖 49

(a)俯視圖 49

(b)側視圖(空氣高度=05mm)49

(c)EBG 實體結構 49

ix

表 錄

表 2-1矩形微帶天線設計參數 11

表 2-2天線陣列設計參數 16

表 2-3ETSI-TS2 對輻射場型分布之要求18

表 2-4天線陣列增益對頻率表 21

表 3-1天線周圍包覆 PMC 之增益改善比較34

表 3-2輻射邊兩側包覆 PMC 之增益改善比較37

表 3-3天線周圍包覆 EBG 之增益改善比較 38

表 3-4輻射邊兩側包覆 EBG 之增益改善比較 39

表 3-5天線陣列設計參數 43

表 3-6天線陣列增益對頻率圖 48

1

第一章 導論

(Introduction)

11 工程背景與動機

近年來電信多媒體應用快速的成長及網路使用的普及化使用者需要的不

只是能夠在任何時間地點使用電信資訊服務且更需要增加使用頻寬及具有高傳

輸速率的無線通訊WiMAX(Worldwide Interoperability for Microwave Access)也

就是全球微波存取互通介面是一個逐漸發展的點對點或點對多點無線通訊網路

標準其不但可以提供使用者足夠的頻寬也能夠讓通訊服務業者不須要在地廣

人稀的地方佈線建立寬頻基礎建設而增加其營運成本因此許多開發中國家

及鄉村地區能透過建設 WiMAX 通訊系統以無線遠距寬頻的方式取代實體

寬頻佈線加速寬頻到家普及率

隨著無線通訊的興起天線所扮演的角色也日趨重要為了使資料的無線傳

輸達到寬頻要求天線的製作上就需要有一定的規範現行 WiMAX 覆蓋的頻段

有 253555 GHz(2500-26903400-36905250-5850 MHz)在每個國家各有不同

規定應用其中美規訂於 25GHz-269GHz而歐規訂於 34GHz-369GHz本論

文的天線陣列中心頻率設計於 355GHz為了符合 WiMAX 寬頻資料傳輸及涵蓋

範圍最大達 31 英哩的特性天線陣列的設計必須具有高增益及寬頻的特性因

此本論文的天線陣列以滿足歐洲電信標準局 (European Telecommunication

Standards Institute ETSI)規範為要求天線增益在全頻段須大於 14dBi而天線場

型符合 ETSI-TS2 mask

傳統上製作高增益天線以反射型天線[1]及透射型天線[2]為主為了減少

製作成本縮小體積我們使用了微帶天線陣列微帶天線的基本觀念早在 1950

年代就已經被提出微帶天線已應用於各方面需求針對微帶天線的寬頻設計方

2

式有利用厚空氣介質[3]饋入匹配電路[4]及使用間隙耦合貼片[5]來增加天線頻

寬另外由於有限接地面的限制會產生表面波在板材邊緣造成繞射現象使

天線的增益降低及輻射場型的扭曲為了抑制表面波的傳播我們使用電磁帶隙

(Electromagnetic Band-gap EBG)週期性結構讓某頻率範圍內禁止電磁波傳遞

這範圍也就是所謂的頻帶隙(Band-gap)由於 EBG 結構在頻帶隙產生了高阻抗表

面所以可以有效抑制表面波並提升天線性能

一般蘑菇型(mushroom)EBG 結構[6]雖易於抑制表面波的傳遞但其缺點為

製作不易因為它需要透過鉚釘(via)來達成以致增加許多成本因此在論文中

設計了無鉚釘的 EBG 結構以增加其實用性並且利用 EBG 排列包圍方式來結

合微帶天線改善輻射場型的扭曲[7]最後將結合 EBG 結構的高增益微帶天

線陣列進行實做及量測與模擬做統整與比較

12 章節介紹

本論文第二章介紹微帶貼片天線和陣列的基本原理及論文中所設計的天線

陣列結構第三章主要介紹電磁帶隙結構並對天線做一結合比較內容包括

電磁帶隙設計並使用於單一微帶天線及天線陣列最後模擬分析與量測比較

第四章為本文總結討論

3

第二章 基本理論與天線結構

(Basic Theory and Antenna Structure)

21 微帶貼片天線和陣列理論

211 微帶貼片天線理論

微帶貼片天線(Microstrip Patch Antenna)具有結構簡單製作方便高度實

用而且可以很容易地經由長度及寬度的控制來做效能微調等特性本論文中所

製作的高增益天線以縮小面積降低天線的剖面降低成本易於製作為主利

用微帶貼片天線的特色製作陣列以達到我們需要的高增益天線本論文中所設

計的天線陣列以矩形微帶貼片天線為主

矩形微帶貼片天線其結構包含了接地金屬面介電質基板還有饋入電路與

輻射金屬片如圖 2-1 所示

圖 2-1微帶貼片天線示意圖

4

其可以視為兩個相隔長度 L 的輻射槽(Radiating slot)每個槽的寬度相當於

基板的厚度 h長度則相當於貼片天線的 W理論上這兩個槽應該相距 λg2其

中 λg 為在介質中的波長在貼片天線中有兩個重要的參數等效介電常數

( effective dielectric constant )及等效貼片長度( effective length )由於貼片天線的

長和寬有限所以在天線邊緣附近的會有漏電場的現象此稱邊緣效應(edge

effect)而漏電場和貼片天線的寬度以及基板的介電常數厚度有關如果天線

的 L h 值遠大於 1則漏電場的現象不會太嚴重由於當考慮到邊緣效應貼片

天線上的電場在邊緣輻射時會同時經過介電材料及空氣所以等效介電常數便不

是原本板材的介電值藉由式(2-1)我們可以得到一等效介電常數 reffε 等效介電

常數的範圍通常為1 reff rε εlt lt

121 1 1 12 1

2 2r r

reffh W

W hε εε

minus+ minus ⎡ ⎤= + + lt⎢ ⎥⎣ ⎦ (2-1)

等效介電常數對於天線的 W 跟 L 有很大的影響貼片天線的寬度 W 是影響

天線輻射效率的最大因素其可由式(2-2)計算得知

12

0 12 2

rW λ ε minus+⎛ ⎞= ⎜ ⎟⎝ ⎠

(2-2)

而在天線輻射端的兩個槽因為邊緣效應的影響等效天線長度跟實際上的長度

會有2 LΔ 的差距由式(2-3)可以得到 LΔ

5

( )

( )

03 02640412

0258 08

reff

reff

WhL h

Wh

ε

ε

⎛ ⎞+ +⎜ ⎟⎝ ⎠Δ =⎛ ⎞minus +⎜ ⎟⎝ ⎠

(2-3)

得知 LΔ 後貼片天線的實際長度 2effL L L= minus Δ 其中 2eff gL λ= 微帶貼片天線

邊緣輸入阻抗一般介於 100~400 歐姆之間計算其輸入阻抗時可將天線的兩個

輻射槽各代表一並聯的導納 Y如圖 2-2 所示

圖 2-2微帶天線等效傳輸線電路圖

其中 G1 及 B1 的大小由天線的寬度 W 決定式(2-4)及式(2-5)為 W 與 G1 及 B1 的

關係式[9]由於在此討論的天線為矩形貼片天線天線兩邊的寬度會相同故

G2 及 B2 的大小分別與 G1 及 B1 相同而 Yc則為長度約為 2gλ 傳輸線的特性導

( )21 0

0 0

1 h1 01120 24

WG k hλ λ

⎡ ⎤= minus lt⎢ ⎥⎣ ⎦ (2-4)

01

0reff

k LBZ

εΔ= (2-5)

00

reff

hZW

ηε

= (2-6)

B1 G1 G2 B2

YC

6

求得導納之後由圖 2-2 等效傳輸線電路圖可得輸入阻抗 1in inR Y= 1 2inY Y Y= +

1Y 為槽一(slot1)的導納( 1 1 1Y G jB= + ) 2Y 為槽二(slot2)的導納( 2 2 2Y G jB= + )因

為共振長度為 2gλ 所以兩個輻射槽的電納相差 180∘( 1 2B B= minus )因此輸入導

納為 12G輸入阻抗則為 1 2R 天線的邊緣輸入阻抗求得之後我們可以利用 4λ

轉換線饋入與 50Ω接頭匹配方便饋入線(feeding line)的設計

212 陣列理論

設計天線陣列時其天線陣列的排列結構各元素間的距離各元素激發的

振幅與相位及單一元素的場型都會影響陣列的場型分佈[1]圖 2-3 為一點波源

等間距之線性陣列

圖 2-3點波源等間距之線性陣列

若元素間激發電流相位差為α一等能量饋入的天線陣列之陣列因子如式

(2-7)所示

1

00

AF cosN

jn

nA e dψ ψ β θ α

minus

=

= = +sum (2-7)

其中d為天線陣列元素的間距β 為波數θ為偏離Z軸之角度α 為元素間的相

位差

7

經過推導忽略其相位因子正歸化的陣列因子為

( ) ( )( )

sin 21sin 2

Nf

ψψ

⎡ ⎤= ⎢ ⎥

⎣ ⎦ (28)

在ψ =0時有最大值主波束的方向為

1cosdαθβ

minus ⎛ ⎞minus= ⎜ ⎟

⎝ ⎠ (29)

藉由陣列因子我們將可以預估理想狀況下天線陣列的輻射場型由於本論文天線

陣列由3times3陣列矩陣所組成且微帶天線場型是分佈在天線的垂射(broadside)方

向故在設計天線陣列的饋入網路時每個元素間所得到的能量應為等大小同

相位圖2-4及圖2-5分別為3times3天線陣列E-plane及H-plane在相同大小及相位時

所計算的陣列因子我們可以藉由適當間距的陣列因子與微帶天線的場型乘積

獲得理想上的天線陣列輻射場型分佈

8

圖 2-4在不同間距時E-plane 的陣列因子

圖 2-5在不同間距時H-plane 的陣列因子

9

22 天線結構

221 單一微帶貼片天線設計

由於微帶貼片天線是一共振型天線傳統上其頻寬較窄所以我們可以藉由

改變天線的形狀增加天線的共振路徑或者改變天線的結構以提高頻寬及增

設計微帶貼片天線時基板(substrate)影響天線效能較大的有三個參數介

質損耗(正比於 tanδ )介電常數( rε )以及厚度( h )其中介質損耗越小越好如

此可以提高天線效率及增益但相對的成本也較高而介電常數也是越小越好

如此可以增加頻寬提高天線的指向性及增益相對的天線的尺寸也越大厚度

則是越大越好如此可以提高天線效率及增益有效增加頻寬但厚度太大則容

易產生表面波使得部分能量被束缚在基板中無法輻射出去

基於上述基板對天線效能的影響以及本論文對頻寬及增益的要求我們採

用 FR4( 44rε = )玻璃纖維基板並且採用厚空氣介質如此可以有效降低等效介

電常數值及提高厚度藉以達到寬頻及高增益的特性如圖 2-6 所示

圖 2-6懸浮微帶線結構(Suspended microstrip line configuration)

10

如圖 2-6 加上 air gap 高度之後其等效介電常數會有所改變其可由式(2-10)

得到一近似值[10]

( )( )

rreff

r

h H hh H hε

εε+ minus⎡ ⎤⎣ ⎦=

+ minus (2-10)

另外懸浮微帶線的特性阻抗(假設 t=0)則由式(2-11)得到較精確的值以便設計

饋入網路[11]

2

0 10

2ln 12 re

FZu u

ηπ ε

⎡ ⎤⎛ ⎞⎢ ⎥= + + ⎜ ⎟⎢ ⎥⎝ ⎠⎣ ⎦ (2-11)

其中

( ) ( )07528306661 6 2 6 uF eπ minus= + minus (2-11a)

( )0 120η π= Ω Wuh

= (2-11b)

1

11 ln 1rer

h Wa bH h H h

εε

minus⎡ ⎤⎛ ⎞⎛ ⎞= + minus minus⎢ ⎥⎜ ⎟⎜ ⎟⎜ ⎟minus minus⎝ ⎠⎢ ⎥⎝ ⎠⎣ ⎦

(2-12)

其中

4

08621 0125ln haH h

⎡ ⎤⎛ ⎞= minus ⎜ ⎟⎢ ⎥minus⎝ ⎠⎣ ⎦ (2-12a)

4

04986 01397 ln hbH h

⎡ ⎤⎛ ⎞= minus ⎜ ⎟⎢ ⎥minus⎝ ⎠⎣ ⎦ (2-12b)

11

利用前面提到的矩形微帶天線基本理論將天線的寬度及長度求出把饋入網

路與天線元素在同一平面做一結合設計參數如表 2-1

Dielectric constant 44

Substrate thickness 08mm

Loss tangent 002

Air gap 5mm

Single patch size 416mm(W) x 335mm(L)

Feeding line width 0901mm

Feeding line length 1996mm

表 2-1矩形微帶天線設計參數

利用式(2-4)(2-5)及(2-6)求出天線邊緣的輸入阻抗再設計一四分之一波長

傳輸線饋入並以特性阻抗 Z0 的輸入埠進行模擬如圖 2-7 所示

圖 2-7矩形微帶貼片天線示意圖

Ground plane

65mm Patch antenna

W

L

Zt=9904Ω

Z0=50Ω

80mm

12

當天線共振時天線邊緣的輸入阻抗 inZ 可藉由 20in tZ Z Z= 計算得知接著

觀察中心頻率為 355GHz 的矩形微帶貼片天線其反射損耗與輻射場型圖 2-8

為反射損耗圖圖 2-9 為中心頻率 355GHz 模擬的輻射場型

圖 2-8矩形微帶貼片天線反射損耗

圖 2-9矩形微帶貼片天線在中心頻率 355GHz 模擬的輻射場型

Return Loss

13

222 高增益天線陣列設計

首先以微帶線並聯的饋入結構設計能量一分三的網路再利用傳輸線作阻

抗的匹配[13]最後再以其寬頻的特性饋入到天線陣列圖 2-10 為饋入網路示意

圖圖 2-11 及圖 2-12 分別為饋入網路之反射損耗(Return Loss)插入損耗

(Insertion Loss)以及各輸出埠相位圖

圖 2-10饋入網路示意圖

圖 2-11天線陣列饋入網路之反射損耗及插入損耗模擬圖

14

圖 2-12天線陣列饋入網路各輸出埠相位差

從圖 2-11 可以發現各輸出埠的能量在不同頻率的變化實線為埠一(port1)

的反射損耗其餘為埠二三及四的插入損耗在工作頻率的範圍輸出埠的能

量差值在 2dB 以內而每個輸出埠在工作頻率的相位差為 20deg以內

接著我們利用圖 2-10 的分歧器輸出埠接上天線三元天線陣列如圖 2-13

觀察其反射損耗(圖 2-14)與輻射場型(圖 2-15)

圖 2-13三元天線陣列

15

圖 2-14三元天線陣列反射損耗

圖 2-15三元天線陣列在中心頻率 355GHz 模擬的輻射場型

由圖 2-14圖 2-15 了解到反射損耗在工作頻段(34GHz~37GHz)滿足要求

觀察輻射場型發現增益已可達到 12dBi此時再利用一組能量一分三的分歧器

設計總天線陣列預計為三乘以三共九個元素的天線陣列設計參數如表 2-2

16

Dielectric constant(topbottom) 44 44

Substrate thickness(topbottom) 08mm 16mm

Loss tangent 002

Air gap 5mm

Upper substrate size 250mm x 200mm

Ground size 300mm x 250mm

表 2-2天線陣列設計參數

圖 2-16 為天線陣列結構圖由於饋入網路阻抗匹配與相位差對天線陣列影

響非常大所以設計其信號饋入端為 50Ω以符合實際上使用的 SMA 接頭使

饋入網路匹配

圖 2-16天線陣列結構俯視圖

17

圖 2-17 為天線陣列在(a)34GHz(b)355GHz(c)37GHz 的輻射場型從圖

中可看出模擬與量測的輻射場型相當接近增益也能達到要求

(a)34GHz

(b)355GHz

18

(c)37GHz

圖 2-17天線陣列輻射場型

天線結構確定之後對於其輻射場型的分布需求要符合 ETSI-TS2 的規範

表 2-3 為 ETSI-TS2 對輻射場型分布的要求以下針對輻射場型與 ETSI-mask 做

一比較如圖 2-18 所示從圖中發現除了 34GHz 些微超出標準之外其餘頻

段都能滿足輻射場型要求之後會將改善的部份再做比較

表 2-3ETSI-TS2 對輻射場型分布之要求

19

(a)34GHz

(b)355GHz

(c)37GHz

圖 2-18天線陣列輻射場型與 ETSI-mask 之比較

20

圖 2-19 為天線陣列模擬與量測的反射損耗其工作頻率與設計之天線相去

不遠均包含 34GHz~37GHz圖 2-20 為實際量測的增益對頻率的變化圖其

增益的全頻段都能大於 14dBi其中某些頻率點可看出 E-plane 與 H-plane 所量

測到的最大增益值並不相同這主要的原因在於由饋入網路輸出端在在不同頻率

會有些微的相位差所致使得天線的最大增益值會些微偏移一個角度不過基

本上的趨勢還是相近

圖 2-19天線陣列模擬與量測之反射損耗

21

圖 2-20天線陣列增益對頻率圖

頻率(GHz) 33 34 35 36 37 38

E-plane 增益

(dBi) 1457 1619 1702 1634 1568 1429

H-plane 增益

(dB) 1421 1582 1624 1607 1581 1434

表 2-4天線陣列增益對頻率表

22

(a)俯視圖

(b)側視圖

圖 2-21天線陣列實體圖(a)俯視圖(b)側視圖

23

第三章 電磁帶隙結構與應用

(Electromagnetic Band-Gap Structure and Its Applications )

31 單位晶胞設計與截止帶比較

在天線中通常在較高之基板厚度及較大之介電常數時容易產生表面波

干擾天線輻射為了阻止表面波的傳遞論文中設計了高阻抗表面也就是所謂

的電磁帶隙(EBG)結構能有效抑制表面波提升天線效能

在近幾年許多微波領域的研究文獻利用光子能隙(Photonic Band-Gap

PBG)的概念也就是在介電係數成週期性排列的三維介電材料中電磁波經介

電函數散射後某些波段的電磁波強度會因破壞性干涉而呈現衰減無法在系統

內傳遞而在頻譜上形成截止帶[7][8]應用這個觀念在平面式傳輸線上設計具

有週期性幾何結構的電路造成電磁波在某些頻段無法傳遞而達到濾波的效果

由於使用於微波頻段所以稱此種結構為電磁帶隙或電磁能隙(Electromagnetic

Band-Gap EBG)結構

一個 EBG 結構電路時為一個電路之接地面在沿著某方向或平面做週期性

幾何結構變化所構成的電路如圖 3-1

圖 3-1一維 EBG 結構電路圖

利用 EBG 電路的週期性幾何結構形成一個電磁波的截止帶實線一個具

有寬頻與良好效能的帶止濾波器(Bandstop Filter)本論文使用共平面緊密電磁

帶隙結構(Uniplanar Compact EBG)如圖 3-2取代傳統的完整或切割連結通道

CellCell Cell Cell Cell d d d d TL TL TL TL

24

的平面結構每個單位細胞間以細線做連結細線提供了主要的電感效應每個

單位細胞間以狹縫做為區隔細狹縫間之互容效應與單位細胞之平面電容提供

了主要電容效應利用並接的電感電容效應來達到一寬頻的截止帶

圖 3-2EBG 結構集總電路圖

為了得到我們需要的截止帶首先模擬一個理想傳輸線當對照組(圖 3-3)

使用了介電常數值為 44 的 FR4 電路板厚度為 16mm觀察其反射損耗與插入

損耗從圖 3-4 了解到傳輸線從 1GHz 到 15GHz 反射損耗皆在-20dB 以下插入

損耗-3dB 以上

圖 3-3微帶傳輸線

(a) 俯視圖

(b) 側視圖

25

圖 3-4微帶傳輸線之反射損耗與插入損耗

利用電磁帶隙週期性二維的重複結構如圖 3-5可以找到我們所需要的截止

帶從微帶線的插入損耗可以明顯得到所設計的截止帶頻段跟單位晶胞的大小

成正相關整體電路的等效電感與等效電容越大相對的頻帶也會往低頻跑

(a)正面俯視圖 (b)背面俯視圖

圖 3-5微帶線加上 EBG 結構正面與背面

26

改變單位晶胞大小與截止帶之比較分別從(圖 3-6)4mm2(圖 3-7)6mm2(圖

3-8)8mm2(圖 3-9)10mm2的晶胞大小可以控制截止帶落在哪些區域

(b)反射損耗

a b

g

gs

h

(a)單位晶胞大小

a = 4 mmb = 37 mm s = g = 03 mm h = 18 mm

a

27

圖 3-6微帶線加上 4mm2EBG 結構之晶胞大小與 S 參數比較

從圖 3-6 可以得知從 10GHz 到 12GHz 有一較深之截止帶14GHz 之後也有

截止頻帶只是實驗目標以低頻為主故只模擬到 15GHz繼續改變晶胞大小

來設計低頻截止帶

a b

g

gs

h

(a)單位晶胞大小

a = 6 mm b = 57 mm s = g = 03 mm h = 28 mm

a

(c)插入損耗

28

圖 3-7微帶線加上 6mm2EBG 結構之晶胞大小與 S 參數比較

讓 EBG 晶胞變大(6mm2)跟預期結果相符可以得到更低頻的截止帶低頻帶

從 7GHz 到 9GHz高頻帶 10GHz 之後仍然存在極深之截止帶

(b)S參數比較圖

a bg

gs

h

(a)單位晶胞大小

a = 8 mm b = 76 mm s = g = 04 mm h = 37 mm

a

29

圖 3-8微帶線加上 8mm2EBG 結構之晶胞大小與 S 參數比較

從圖 3-8 的結果得到更低頻的截止帶座落於 43GHz~58GHz 及

61GHz~7GHz 由 於 論 文 中 所 設 計 的 WiMAX 天 線 陣 列 工 作 頻 率 在

34GHz~37GHz故需再將晶胞大小改變讓系統能夠共振在更低頻處

(b)S參數比較圖

a bg

gs

h

(a)單位晶胞大小

a = 10 mm b = 93 mm s = g = 07 mm h = 42 mm

a

30

圖 3-9微帶線加上 10mm2EBG 結構之晶胞大小與 S 參數比較

將週期性電磁帶隙結構結合微帶線可以設計出需要的截止帶圖 3-9 主要

的截止帶在 325GHz~4GHz 及 465GHz~58GHz已經達到需求的頻帶範圍下

個目標將結合微帶天線做改善與比較

(b)S參數比較圖

31

32 電磁帶隙結構包圍方式之探討

321 有限接地面的探討

由於設計的微帶天線主要是在邊射(Broad-side)方向輻射所以需要選擇一個

適當的接地面大小讓輻射場型得到一個最佳值理論上來說無限大的接地面

可以得到最平滑(Smooth)的輻射場型只在單邊輻射不會受到地面干擾實際

上在有限的空間必須選擇一個適當大小的接地面以符合成本與面積要求

而有限的接地面卻容易造成邊緣效應干擾[12]表面波在接地面邊緣產生繞射場

(Diffracted fields)形成新的波源以陣列因子的觀點來看多了新的波源會造

成輻射場型加乘上的消長如圖 3-10微帶貼片天線主要是以前後兩側差半波

長之邊輻射而有限接地面則會在邊緣產生感應磁流(Induced equivalent

magnetic current)如圖 3-11從電場的指向可以推得磁流的方向對照輻射

場型容易在邊射方向造成波紋(Ripple)

圖 3-10有限接地面產生之輻射場型比較圖

L

32

圖 3-11介質中電場指向之強弱分布與感應磁流方向

由於接地面的大小在 E-plane 會產生波紋來干擾輻射場型所以論文中以

EBG 週期性結構來做為一個完美磁導體(Perfect Magnetic ConductorPMC)也

就是人工 PMC(Artificial PMC)抑制邊緣電場的垂直入射減弱感應磁流的效

應以改善天線輻射場型

322 天線周圍包覆 PMC

傳統上 EBG 以圍滿的方式來改善微帶天線之增益與輻射[13]並透過晶胞

數的不斷增加來提高增益及改善輻射場型但晶胞數的增加將提高成本加大

EBG 面積及天線整體體積高達一定數量時反而會降低天線性能對於微帶貼

片天線而言EBG 在接地面太靠近天線輻射邊反而影響其輻射機制造成頻率

飄移因此論文中將探討 EBG 的包圍方式對天線性能之影響以有最佳效果

已知高阻抗表面可以阻擋介質中表面波的傳遞因此先透過理想 PMC 來代

替所設計之高阻抗表面 EBG 結構以分析其特性找出提升天性能的最佳包圍

33

方式

首先把天線周圍包覆 PMC 如圖 3-12以逼近的方式慢慢擴大 PMC 的面積

一圈 PMC 的寬度與設計的晶胞大小邊長一樣從輻射場型來看使用到第二圈

時可以得到最佳的輻射效能如圖 3-13PMC 包圍有其最佳範圍取得有效的包

圍方式可以讓天線輻射最佳化

圖 3-12天線周圍包覆 PMC

34

圖 3-13天線周圍包覆 PMC 之輻射場型比較

參考天線 一圈 PMC 二圈 PMC 三圈 PMC

0 度增益 357dBi 432dBi 545dBi 478dBi

增益改善 075dB 188dB 121dB

表 3-1天線周圍包覆 PMC 之增益改善比較

35

323 輻射邊兩側包覆 PMC

由於微帶天線之表面波傳遞方向以 xz 切面為主如圖 3-14因此在微帶天線

輻射邊的兩側擺放 EBG 結構以抑制其傳遞有效改善天線輻射場型首先使

用理想的 PMC 在天線輻射邊兩側包覆如圖 3-15對於 PMC 覆蓋面積的大小作一

探討變化 PMC 之覆蓋面積了解其對天線輻射場型的影響在邊射(broadside)

方向的輻射場型可以有效改善波紋讓旁波瓣(sidelobe)大幅度降低如圖 3-16

所示以兩列 PMC 可以達到較佳效果再增加一列 PMC 雖些許增加增益不

過 PMC 覆蓋的面積已達飽和因此從上述可知在結合 EBG 和微帶天線時

將有一最佳之覆蓋面積使用最適當之晶胞數來達到最佳的增益改善

圖 3-14表面波在介質空間中分布

36

圖 3-15輻射邊兩側包覆 PMC

圖 3-16輻射邊兩側包覆 PMC 之輻射場型比較

37

參考天線 一列 PMC 二列 PMC 三列 PMC

0 度增益 357dBi 528dBi 642dBi 644dBi

增益改善 171dB 285dB 287dB

表 3-2輻射邊兩側包覆 PMC 之增益改善比較

33 電磁帶隙結構結合單一微帶天線

以下將結合所設計之 EBG 結構和微帶天線以改善微帶天線之輻射場型干

擾從前述的探討先以圍繞式包圍天線做輻射場型比較如圖 3-17 所示

圖 3-17天線周圍包覆 EBG 之輻射場型比較

38

0 度增益

Ref patch antenna 357dBi

圍繞 EBG 572dBi

ΔGain 215dB

表 3-3天線周圍包覆 EBG 之增益改善比較

由於表面波之傳遞主要為 X 軸方向因此以 EBG 之較寬頻的維度來抑制 X

方向的表面波其結合方式如下以兩列 EBG 結構與天線結合比較如圖 3-18

圖 3-18輻射邊兩側包覆 EBG 之輻射場型比較

39

0 度增益

Ref patch antenna 357dBi

輻射邊包覆 EBG 577dBi

ΔGain 22dB

表 3-4輻射邊兩側包覆 EBG 之增益改善比較

兩種包覆 EBG 的情形做比較使用輻射邊兩側包覆 EBG 對表面波抑制可以

達到最直接的效果再對接地面做變化令輻射邊到接地面邊緣距離等於 15 倍

空氣中波長邊緣的等效感應磁流干擾最大在垂射(broadside)方向造成 30 度到

60 度的旁波瓣將晶胞數加到三列使得輻射場型能有最佳效果如圖 3-19 所示

圖 3-19較大接地面應用更多晶胞數改善輻射場型圖

40

34 電磁帶隙結構結合微帶天線陣列

第二章敘述之高增益天線陣列由於在 E-plane 產生較大之旁波瓣因此論

文將結合 EBG 結構與天線陣列改善輻射場型以符合 ETSI-TS2 規範要求

對原本的天線陣列與改善後的天線陣列作一比較如圖 3-20 為天線結構示意圖

俯視圖 yz 切面為表面波影響較大的面因此我們在 E-plane 兩側包覆 EBG使

用三列的 EBG 週期結構另外圖 3-21 為(a)34GHz(b)355GHz(c)37GHz

輻射場型在 E-plane 的改善比較可以發現在(a)跟(b)改善的效果特別明顯旁波

瓣減弱許多而(c)原本旁波瓣就不大所以改善較不明顯再跟 ETSI-mask 做

比較如圖 3-22改善後的天線陣列距離輻射場型標準線有較大之安全距離對實

作上的誤差影響會比較小以下針對輻射場型做一比較

圖 3-20原始天線陣列與應用 EBG 之天線陣列

41

(a)34GHz E-plane 輻射場型比較

(b)355GHz E-plane 輻射場型比較

(c)37GHz E-plane 輻射場型比較

圖 3-21原始天線陣列與應用 EBG 之天線陣列輻射場型比較

(a)34GHz (b)355GHz (c)37GHz

42

(a)34GHz E-plane

(b)355GHz E-plane

(a)37GHz E-plane

圖 3-22原始天線陣列與應用 EBG 之天線陣列與 ETSI-mask 比較

(a)34GHz (b)355GHz (c)37GHz

43

35 模擬與量測結果比較

由上述模擬的結果進行實作及量測的工作如圖 3-23 為微帶天線結合 EBG

結構的架構表 3-5 列出了板材的規格使用的基板是 FR4 玻璃纖維基板並架高

空氣高度為 5mm

Dielectric constant(topbottom) 44 44

Substrate thickness(topbottom) 08mm 16mm

Loss tangent 002

Air gap 5mm

Upper substrate size 250mm x 200mm

Ground size 300mm x 250mm

表 3-5天線陣列設計參數

圖 3-23應用 EBG 之天線陣列結構圖

44

圖 3-24 為天線陣列在 34GHz355GHz37GHz 的輻射場型從圖中可以

觀察模擬與量測場型蠻相近的

(a)34GHz

(b)355GHz

45

(c)37GHz

圖 3-24天線陣列輻射場型模擬與量測比較

對於其輻射場型的分布需求要符合 ETSI-TS2 的規範以下針對輻射場型與

ETSI-mask 做一比較如圖 3-25 所示從圖中發現實作及量測輻射場型全部

工作頻段都能滿足 mask 要求完成一組高增益天線陣列

(a)34GHz

46

(b)355GHz

(c)37GHz

圖 3-25天線陣列輻射場型與 ETSI-mask 比較

圖 3-26 為天線陣列模擬與量測的反射損耗其工作頻率與設計之天線相去

不遠均包含 34GHz~37GHz頻寬設計較大的原因在於避免外在因素造成的頻

飄量測出來可達 33GHz~39GHz略往高頻飄不過與設計的反射損耗相當接

近圖 3-27 為實際量測的增益對頻率的變化圖其增益的全頻段都能大於

14dBiE-plane 與 H-plane 也較為接近整理數據如表 3-6

47

圖 3-26天線陣列反射損耗模擬與量測比較

圖 3-27天線陣列增益對頻率圖

48

頻率(GHz) 33 34 35 36 37 38

E-plane 增益

(dBi) 1485 1591 1620 1687 1627 1507

H-plane 增益

(dBi) 1421 1565 1598 1629 1607 1518

表 3-6天線陣列增益對頻率表

49

圖 3-28 為實體圖俯視圖側視圖與 EBG 實際大小比較

(a) 俯視圖

(b) 側視圖(空氣高度=05mm)

(c)EBG 實體結構

圖 3-28天線陣列實體圖

50

第四章 結論

(Conclusion)

本論文主要是研究適用於基地台的 WiMAX 頻段高增益天線陣列並控制其

頻寬增益及輻射場型能夠符合 ETSI(European Telecommunication Standards

Institute)的規範在論文第二章中提出的高增益天線陣列是利用一個能量分歧

器把能量等效分成三份的饋入網路接上三組一樣的三元素陣列矩形微帶天線所

組成的天線陣列最高增益可達到 17dBi工作頻率的增益都能超過要求的

14dBi輻射場型符合 ETSI-TS2 規範另外本論文所提出的天線陣列為印刷式

天線不但具有輕量化的特性且大幅降低製作上的困難度也減輕了成本的負擔

透過本論文所設計之 EBG 可有效降低傳統 EBG 結構的製程僅以 FR4 板

材即可自行實作比較無須鉚釘並提出有效提升微帶天線增益的包圍方式在

有限的接地面下可選擇適當的晶胞數來改善天線陣列的輻射場型抑制表面波

對天線的干擾讓邊際效應產生的感應磁流干擾降到最低最後在實作及量測部

分驗證我們模擬的結果

51

參考文獻

[1] W L Stutzman and G A Thiele Antenna Theory and Design 2nd ed New York

Wiley 1998

[2] A Balanis Antenna Theory Analysis and Design New York Wiley 1997

[3] R Gardelli G La Cono and M Albani ldquoA low-cost suspended patch antenna for

WLAN access points and point-to-point linksrdquo IEEE Antennas and Propagat vol

3 no 1 pp 90-93 2004

[4] H F Pues and A R Van de capelle ldquoAn impedance-matching technique for

increasing the bandwidth of microstrip antennasrdquo IEEE Trans on Antennas and

Propagat vol 37 no 11 pp 1345-1354 Nov 1989

[5] Q Song and XndashX Zhang ldquoA study on wideband gap-coupled microstrip antenna

arraysrdquo IEEE Trans On Antennas and Propagat vol 43 no 3 pp 313-317 Mar

1995

[6] D Sievenpiper L Z Romulo F J Broas N G Alexopolous and E Yablonovitch

ldquoHigh-impedance electromagnetic surfaces with a forbidden frequency bandrdquo

IEEE Trans Microwave Theory Tech vol 47 no 11 pp 311-335 Nov 1999

[7] F-R Yang K-P Ma Y Qian and T Itoh ldquo A Uniplanar Compact

Photonic-Bandgap (UC-PBG) Structure and Its Applications for Microwave

Circuitsrdquo IEEE Trans MTT vol 47 Aug 1999

[8] M F Abedin M Z Azad and M Ali ldquo wideband smaller unit-cell planar EBG

structures and their applicationrdquo IEEE Trans On Antenna and Propagat vol 56

no 3 pp 903-908 Mar 2008

[9] I J Bahl and P Bhartia Microstrip Antennas Artech House 1980

[10] JR James and P S Hall Handbook of Microstrip Antennas LondonPeter

Peregrinus Ltd 1989

52

[11] K C Gupta R Garg I J Bahl P Bhartia Microstrip Lines and Slotlines 2nd ed

Norwood MAArtech House 1996

[12] T Namiki Y Murayama and K Ito ldquo Improving radiation-pattern distortion of a

patch antenna having a finite ground planerdquo IEEE Trans On Antenna and

Propagat vol 51 no 3 pp 478-482 Mar 2003

[13] R Coccioli F-R Yang K-P Ma and T Itoh ldquo Aperture-coupled patch antenna

on UC-PBG substraterdquo IEEE Trans Microwave Theory Tech vol 47 no 11 pp

2123-2130 Nov 1999

[14] F Yang and Y Rahmat-samii ldquo Microstrip antenna integrated with

electromagnetic band-gap (EBG) structure a low mutual coupling design for array

applicationrdquo IEEE Trans On Antenna and Propagat vol 51 no 10 pp

2936-2946 Oct2003

[15] Z Iluz R Shavit and R Bauer ldquo Microstrip antenna phased array with

electromagnetic bandgap substraterdquo IEEE Trans On Antenna and Propagat vol

52 no 6 pp 1446-1453 June 2004

  • 封面pdf
  • 摘要與目錄pdf
  • 論文_終稿_pdf
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ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP 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 FRA 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 ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP 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 FRA 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 ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB ltFEFF005500740069006c0069007a006500200065007300730061007300200063006f006e00660069006700750072006100e700f50065007300200064006500200066006f0072006d00610020006100200063007200690061007200200064006f00630075006d0065006e0074006f0073002000410064006f0062006500200050004400460020007000610072006100200069006d0070007200650073007300f5006500730020006400650020007100750061006c0069006400610064006500200065006d00200069006d00700072006500730073006f0072006100730020006400650073006b0074006f00700020006500200064006900730070006f00730069007400690076006f0073002000640065002000700072006f00760061002e0020004f007300200064006f00630075006d0065006e0074006f00730020005000440046002000630072006900610064006f007300200070006f00640065006d0020007300650072002000610062006500720074006f007300200063006f006d0020006f0020004100630072006f006200610074002000650020006f002000410064006f00620065002000520065006100640065007200200035002e0030002000650020007600650072007300f50065007300200070006f00730074006500720069006f007200650073002egt SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 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ii

Worldwide Interoperability for Microwave Access (WiMAX)

High Gain Antenna Arrays with Electromagnetic Band-Gap

Structurersquos Applications

Student Jiang-Hong Chen Advisor Dr Yu-De Lin

Department of Communication Engineering

National Chiao Tung University

Abstract

WiMAX (Worldwide Interoperability for Microwave Access) has the

advantages wireless far-distance transmission and wideband It will be one of the

wireless communication system standards in the next generation In this thesis we

will research high gain antenna arrays suitable for 34GHz-37GHz WiMAX

communication system and it also satisfies ETSI specification

We use microstrip antennas by increasing the height of antenna structure to let

the antenna arrays can conform to this system bandwidth and gain requirement

In this thesis we will design an electromagnetic band-gap(EBG) structure

without via We also label it to photonic band-gap(PBG) By combining it with

microstrip antenna we can understand its effects on the properties of antenna

Further more we can improve the radiation patter of the microstrip antenna and

suppress surface waversquos exitation in the substrate

iii

謝 誌

首先我要誠摯地感謝我的指導教授--林育德博士這兩年來在學術研究及

專業領域上給我的許多指導使得我對於無線通訊系統與天線研究領域能有相當

程度的了解感謝口試委員林根煌教授洪萬鑄教授陳泰利教授前來協助

我們口試對於學生的論文內容加以指導使得論文得以更加完善 另外特別感謝實驗室林烈全學長提供在天線領域上的知識與研究上的心

得在碩士兩年時間對我在研究上的指導與幫助感謝實驗室學長阿德智聰

旻翰和彭哥在一年來不厭其煩的教導讓我們受益良多當然還要感謝實驗室

的同學奕翔陳鈺志豪和家綱這兩年來互相幫助互相成長以及學弟信良仁

佑和侑賢帶來生活上的樂趣 最後衷心感謝我最親愛的家人與親戚朋友因為有他們的全力支持與照

顧我才能無後顧之憂地完成研究所的學業

iv

目 錄

中文摘要 i

英文摘要 ii

謝誌 iii

目錄 iv

圖錄v

表錄 ix

第一章 導論1

11 工程背景與動機1

12 章節介紹2

第二章 基本理論與天線架構3

21 微帶貼片天線和陣列理論3

211 微帶貼片天線理論3

212 陣列理論6

22 天線結構9

221 單一微帶貼片天線設計9

222 高增益天線陣列設計13

第三章 電磁帶隙結構23

31 單位晶胞設計與截止帶比較23

32 電磁帶隙結構包圍方式之探討31

321 有限接地面的探討31

322 天線周圍包覆 PMC 32

323 輻射邊兩側包圍 PMC 35

33 電磁帶隙結構結合單一微帶天線37

34 電磁帶隙結構結合微帶天線陣列40

35 模擬與量測結果比較43

第四章 結論50

參考文獻51

v

圖 錄

圖 2-1微帶貼片天線示意圖 3

圖 2-2微帶天線等效傳輸線電路圖 5

圖 2-3點波源等間距之線性陣列 6

圖 2-4在不同間距時E-plane 的陣列因子8

圖 2-5在不同間距時H-plane 的陣列因子 8

圖 2-6懸浮微帶線結構(Suspended microstrip line configuration) 9

圖 2-7矩形微帶貼片天線示意圖 11

圖 2-8矩形微帶貼片天線反射損耗 12

圖 2-9矩形微帶貼片天線在中心頻率 355GHz 模擬的輻射場型12

圖 2-10饋入網路示意圖 13

圖 2-11天線陣列饋入網路之反射損耗及插入損耗模擬圖 13

圖 2-12天線陣列饋入網路各輸出埠相位差 14

圖 2-13三元天線陣列 14

圖 2-14三元天線陣列反射損耗 15

圖 2-15三元天線陣列在中心頻率 355GHz 模擬的輻射場型15

圖 2-16天線陣列結構俯視圖 16

圖 2-17天線陣列輻射場型 17

(a)34GHz17

(b)355GHz 17

(c)37GHz18

圖 2-18天線陣列輻射場型與 ETSI-mask 之比較 19

(a)34GHz19

(b)355GHz 19

(c)37GHz19

圖 2-19天線陣列模擬與量測之反射損耗 20

vi

圖 2-20天線陣列增益對頻率圖 21

圖 2-21天線陣列實體圖 22

(a)俯視圖 22

(b)側視圖 22

圖 3-1一維 EBG 結構電路圖 23

圖 3-2EBG 結構集總電路圖 24

圖 3-3微帶傳輸線 24

(a)俯視圖 24

(b)側視圖 24

圖 3-4微帶傳輸線之反射損耗與插入損耗 25

圖 3-5微帶線加上 EBG 結構正面與背面 25

(a)正面俯視圖 25

(b)背面俯視圖 25

圖 3-6微帶線加上 4mm2EBG 結構之晶胞大小與 S 參數比較 26

(a)單位晶胞大小 26

(b)反射損耗 26

(c)插入損耗 27

圖 3-7微帶線加上 6mm2EBG 結構之晶胞大小與 S 參數比較 27

(a)單位晶胞大小 27

(b)S 參數比較圖28

圖 3-8微帶線加上 8mm2EBG 結構之晶胞大小與 S 參數比較 28

(a)單位晶胞大小 28

(b)S 參數比較圖29

圖 3-9微帶線加上 10mm2EBG 結構之晶胞大小與 S 參數比較 29

(a)單位晶胞大小 29

(b)S 參數比較圖30

vii

圖 3-10有限接地面產生之輻射場型比較圖 31

圖 3-11介質中電場指向之強弱分布與感應磁流方向 32

圖 3-12天線周圍包覆 PMC33

圖 3-13天線周圍包覆 PMC 之輻射場型比較34

圖 3-14表面波在介質空間中分佈 35

圖 3-15輻射邊兩側包覆 PMC36

圖 3-16輻射邊兩側包覆 PMC 之輻射場型比較36

圖 3-17天線周圍包覆 EBG 之輻射場型比較 37

圖 3-18輻射邊兩側包覆 EBG 之輻射場型比較 38

圖 3-19較大接地面應用更多晶胞數改善輻射場型圖 39

圖 3-20原始天線陣列與應用 EBG 之天線陣列 40

圖 3-21原始天線陣列與應用 EBG 之天線陣列輻射場型比較 41

(a)34GHz41

(b)355GHz 41

(c)37GHz41

圖 3-22原始天線陣列與應用 EBG 之天線陣列與 ETSI-mask 比較 42

(a)34GHz42

(b)355GHz 42

(c)37GHz42

圖 3-23應用 EBG 之天線陣列結構圖 43

圖 3-24天線陣列輻射場型模擬與量測比較 44

(a)34GHz44

(b)355GHz 44

(c)37GHz45

圖 3-25天線陣列輻射場型與 ETSI-mask 比較 45

(a)34GHz45

viii

(b)355GHz 46

(c)37GHz46

圖 3-26天線陣列反射損耗模擬與量測比較 47

圖 3-27天線陣列增益對頻率圖 47

圖 3-28天線陣列實體圖 49

(a)俯視圖 49

(b)側視圖(空氣高度=05mm)49

(c)EBG 實體結構 49

ix

表 錄

表 2-1矩形微帶天線設計參數 11

表 2-2天線陣列設計參數 16

表 2-3ETSI-TS2 對輻射場型分布之要求18

表 2-4天線陣列增益對頻率表 21

表 3-1天線周圍包覆 PMC 之增益改善比較34

表 3-2輻射邊兩側包覆 PMC 之增益改善比較37

表 3-3天線周圍包覆 EBG 之增益改善比較 38

表 3-4輻射邊兩側包覆 EBG 之增益改善比較 39

表 3-5天線陣列設計參數 43

表 3-6天線陣列增益對頻率圖 48

1

第一章 導論

(Introduction)

11 工程背景與動機

近年來電信多媒體應用快速的成長及網路使用的普及化使用者需要的不

只是能夠在任何時間地點使用電信資訊服務且更需要增加使用頻寬及具有高傳

輸速率的無線通訊WiMAX(Worldwide Interoperability for Microwave Access)也

就是全球微波存取互通介面是一個逐漸發展的點對點或點對多點無線通訊網路

標準其不但可以提供使用者足夠的頻寬也能夠讓通訊服務業者不須要在地廣

人稀的地方佈線建立寬頻基礎建設而增加其營運成本因此許多開發中國家

及鄉村地區能透過建設 WiMAX 通訊系統以無線遠距寬頻的方式取代實體

寬頻佈線加速寬頻到家普及率

隨著無線通訊的興起天線所扮演的角色也日趨重要為了使資料的無線傳

輸達到寬頻要求天線的製作上就需要有一定的規範現行 WiMAX 覆蓋的頻段

有 253555 GHz(2500-26903400-36905250-5850 MHz)在每個國家各有不同

規定應用其中美規訂於 25GHz-269GHz而歐規訂於 34GHz-369GHz本論

文的天線陣列中心頻率設計於 355GHz為了符合 WiMAX 寬頻資料傳輸及涵蓋

範圍最大達 31 英哩的特性天線陣列的設計必須具有高增益及寬頻的特性因

此本論文的天線陣列以滿足歐洲電信標準局 (European Telecommunication

Standards Institute ETSI)規範為要求天線增益在全頻段須大於 14dBi而天線場

型符合 ETSI-TS2 mask

傳統上製作高增益天線以反射型天線[1]及透射型天線[2]為主為了減少

製作成本縮小體積我們使用了微帶天線陣列微帶天線的基本觀念早在 1950

年代就已經被提出微帶天線已應用於各方面需求針對微帶天線的寬頻設計方

2

式有利用厚空氣介質[3]饋入匹配電路[4]及使用間隙耦合貼片[5]來增加天線頻

寬另外由於有限接地面的限制會產生表面波在板材邊緣造成繞射現象使

天線的增益降低及輻射場型的扭曲為了抑制表面波的傳播我們使用電磁帶隙

(Electromagnetic Band-gap EBG)週期性結構讓某頻率範圍內禁止電磁波傳遞

這範圍也就是所謂的頻帶隙(Band-gap)由於 EBG 結構在頻帶隙產生了高阻抗表

面所以可以有效抑制表面波並提升天線性能

一般蘑菇型(mushroom)EBG 結構[6]雖易於抑制表面波的傳遞但其缺點為

製作不易因為它需要透過鉚釘(via)來達成以致增加許多成本因此在論文中

設計了無鉚釘的 EBG 結構以增加其實用性並且利用 EBG 排列包圍方式來結

合微帶天線改善輻射場型的扭曲[7]最後將結合 EBG 結構的高增益微帶天

線陣列進行實做及量測與模擬做統整與比較

12 章節介紹

本論文第二章介紹微帶貼片天線和陣列的基本原理及論文中所設計的天線

陣列結構第三章主要介紹電磁帶隙結構並對天線做一結合比較內容包括

電磁帶隙設計並使用於單一微帶天線及天線陣列最後模擬分析與量測比較

第四章為本文總結討論

3

第二章 基本理論與天線結構

(Basic Theory and Antenna Structure)

21 微帶貼片天線和陣列理論

211 微帶貼片天線理論

微帶貼片天線(Microstrip Patch Antenna)具有結構簡單製作方便高度實

用而且可以很容易地經由長度及寬度的控制來做效能微調等特性本論文中所

製作的高增益天線以縮小面積降低天線的剖面降低成本易於製作為主利

用微帶貼片天線的特色製作陣列以達到我們需要的高增益天線本論文中所設

計的天線陣列以矩形微帶貼片天線為主

矩形微帶貼片天線其結構包含了接地金屬面介電質基板還有饋入電路與

輻射金屬片如圖 2-1 所示

圖 2-1微帶貼片天線示意圖

4

其可以視為兩個相隔長度 L 的輻射槽(Radiating slot)每個槽的寬度相當於

基板的厚度 h長度則相當於貼片天線的 W理論上這兩個槽應該相距 λg2其

中 λg 為在介質中的波長在貼片天線中有兩個重要的參數等效介電常數

( effective dielectric constant )及等效貼片長度( effective length )由於貼片天線的

長和寬有限所以在天線邊緣附近的會有漏電場的現象此稱邊緣效應(edge

effect)而漏電場和貼片天線的寬度以及基板的介電常數厚度有關如果天線

的 L h 值遠大於 1則漏電場的現象不會太嚴重由於當考慮到邊緣效應貼片

天線上的電場在邊緣輻射時會同時經過介電材料及空氣所以等效介電常數便不

是原本板材的介電值藉由式(2-1)我們可以得到一等效介電常數 reffε 等效介電

常數的範圍通常為1 reff rε εlt lt

121 1 1 12 1

2 2r r

reffh W

W hε εε

minus+ minus ⎡ ⎤= + + lt⎢ ⎥⎣ ⎦ (2-1)

等效介電常數對於天線的 W 跟 L 有很大的影響貼片天線的寬度 W 是影響

天線輻射效率的最大因素其可由式(2-2)計算得知

12

0 12 2

rW λ ε minus+⎛ ⎞= ⎜ ⎟⎝ ⎠

(2-2)

而在天線輻射端的兩個槽因為邊緣效應的影響等效天線長度跟實際上的長度

會有2 LΔ 的差距由式(2-3)可以得到 LΔ

5

( )

( )

03 02640412

0258 08

reff

reff

WhL h

Wh

ε

ε

⎛ ⎞+ +⎜ ⎟⎝ ⎠Δ =⎛ ⎞minus +⎜ ⎟⎝ ⎠

(2-3)

得知 LΔ 後貼片天線的實際長度 2effL L L= minus Δ 其中 2eff gL λ= 微帶貼片天線

邊緣輸入阻抗一般介於 100~400 歐姆之間計算其輸入阻抗時可將天線的兩個

輻射槽各代表一並聯的導納 Y如圖 2-2 所示

圖 2-2微帶天線等效傳輸線電路圖

其中 G1 及 B1 的大小由天線的寬度 W 決定式(2-4)及式(2-5)為 W 與 G1 及 B1 的

關係式[9]由於在此討論的天線為矩形貼片天線天線兩邊的寬度會相同故

G2 及 B2 的大小分別與 G1 及 B1 相同而 Yc則為長度約為 2gλ 傳輸線的特性導

( )21 0

0 0

1 h1 01120 24

WG k hλ λ

⎡ ⎤= minus lt⎢ ⎥⎣ ⎦ (2-4)

01

0reff

k LBZ

εΔ= (2-5)

00

reff

hZW

ηε

= (2-6)

B1 G1 G2 B2

YC

6

求得導納之後由圖 2-2 等效傳輸線電路圖可得輸入阻抗 1in inR Y= 1 2inY Y Y= +

1Y 為槽一(slot1)的導納( 1 1 1Y G jB= + ) 2Y 為槽二(slot2)的導納( 2 2 2Y G jB= + )因

為共振長度為 2gλ 所以兩個輻射槽的電納相差 180∘( 1 2B B= minus )因此輸入導

納為 12G輸入阻抗則為 1 2R 天線的邊緣輸入阻抗求得之後我們可以利用 4λ

轉換線饋入與 50Ω接頭匹配方便饋入線(feeding line)的設計

212 陣列理論

設計天線陣列時其天線陣列的排列結構各元素間的距離各元素激發的

振幅與相位及單一元素的場型都會影響陣列的場型分佈[1]圖 2-3 為一點波源

等間距之線性陣列

圖 2-3點波源等間距之線性陣列

若元素間激發電流相位差為α一等能量饋入的天線陣列之陣列因子如式

(2-7)所示

1

00

AF cosN

jn

nA e dψ ψ β θ α

minus

=

= = +sum (2-7)

其中d為天線陣列元素的間距β 為波數θ為偏離Z軸之角度α 為元素間的相

位差

7

經過推導忽略其相位因子正歸化的陣列因子為

( ) ( )( )

sin 21sin 2

Nf

ψψ

⎡ ⎤= ⎢ ⎥

⎣ ⎦ (28)

在ψ =0時有最大值主波束的方向為

1cosdαθβ

minus ⎛ ⎞minus= ⎜ ⎟

⎝ ⎠ (29)

藉由陣列因子我們將可以預估理想狀況下天線陣列的輻射場型由於本論文天線

陣列由3times3陣列矩陣所組成且微帶天線場型是分佈在天線的垂射(broadside)方

向故在設計天線陣列的饋入網路時每個元素間所得到的能量應為等大小同

相位圖2-4及圖2-5分別為3times3天線陣列E-plane及H-plane在相同大小及相位時

所計算的陣列因子我們可以藉由適當間距的陣列因子與微帶天線的場型乘積

獲得理想上的天線陣列輻射場型分佈

8

圖 2-4在不同間距時E-plane 的陣列因子

圖 2-5在不同間距時H-plane 的陣列因子

9

22 天線結構

221 單一微帶貼片天線設計

由於微帶貼片天線是一共振型天線傳統上其頻寬較窄所以我們可以藉由

改變天線的形狀增加天線的共振路徑或者改變天線的結構以提高頻寬及增

設計微帶貼片天線時基板(substrate)影響天線效能較大的有三個參數介

質損耗(正比於 tanδ )介電常數( rε )以及厚度( h )其中介質損耗越小越好如

此可以提高天線效率及增益但相對的成本也較高而介電常數也是越小越好

如此可以增加頻寬提高天線的指向性及增益相對的天線的尺寸也越大厚度

則是越大越好如此可以提高天線效率及增益有效增加頻寬但厚度太大則容

易產生表面波使得部分能量被束缚在基板中無法輻射出去

基於上述基板對天線效能的影響以及本論文對頻寬及增益的要求我們採

用 FR4( 44rε = )玻璃纖維基板並且採用厚空氣介質如此可以有效降低等效介

電常數值及提高厚度藉以達到寬頻及高增益的特性如圖 2-6 所示

圖 2-6懸浮微帶線結構(Suspended microstrip line configuration)

10

如圖 2-6 加上 air gap 高度之後其等效介電常數會有所改變其可由式(2-10)

得到一近似值[10]

( )( )

rreff

r

h H hh H hε

εε+ minus⎡ ⎤⎣ ⎦=

+ minus (2-10)

另外懸浮微帶線的特性阻抗(假設 t=0)則由式(2-11)得到較精確的值以便設計

饋入網路[11]

2

0 10

2ln 12 re

FZu u

ηπ ε

⎡ ⎤⎛ ⎞⎢ ⎥= + + ⎜ ⎟⎢ ⎥⎝ ⎠⎣ ⎦ (2-11)

其中

( ) ( )07528306661 6 2 6 uF eπ minus= + minus (2-11a)

( )0 120η π= Ω Wuh

= (2-11b)

1

11 ln 1rer

h Wa bH h H h

εε

minus⎡ ⎤⎛ ⎞⎛ ⎞= + minus minus⎢ ⎥⎜ ⎟⎜ ⎟⎜ ⎟minus minus⎝ ⎠⎢ ⎥⎝ ⎠⎣ ⎦

(2-12)

其中

4

08621 0125ln haH h

⎡ ⎤⎛ ⎞= minus ⎜ ⎟⎢ ⎥minus⎝ ⎠⎣ ⎦ (2-12a)

4

04986 01397 ln hbH h

⎡ ⎤⎛ ⎞= minus ⎜ ⎟⎢ ⎥minus⎝ ⎠⎣ ⎦ (2-12b)

11

利用前面提到的矩形微帶天線基本理論將天線的寬度及長度求出把饋入網

路與天線元素在同一平面做一結合設計參數如表 2-1

Dielectric constant 44

Substrate thickness 08mm

Loss tangent 002

Air gap 5mm

Single patch size 416mm(W) x 335mm(L)

Feeding line width 0901mm

Feeding line length 1996mm

表 2-1矩形微帶天線設計參數

利用式(2-4)(2-5)及(2-6)求出天線邊緣的輸入阻抗再設計一四分之一波長

傳輸線饋入並以特性阻抗 Z0 的輸入埠進行模擬如圖 2-7 所示

圖 2-7矩形微帶貼片天線示意圖

Ground plane

65mm Patch antenna

W

L

Zt=9904Ω

Z0=50Ω

80mm

12

當天線共振時天線邊緣的輸入阻抗 inZ 可藉由 20in tZ Z Z= 計算得知接著

觀察中心頻率為 355GHz 的矩形微帶貼片天線其反射損耗與輻射場型圖 2-8

為反射損耗圖圖 2-9 為中心頻率 355GHz 模擬的輻射場型

圖 2-8矩形微帶貼片天線反射損耗

圖 2-9矩形微帶貼片天線在中心頻率 355GHz 模擬的輻射場型

Return Loss

13

222 高增益天線陣列設計

首先以微帶線並聯的饋入結構設計能量一分三的網路再利用傳輸線作阻

抗的匹配[13]最後再以其寬頻的特性饋入到天線陣列圖 2-10 為饋入網路示意

圖圖 2-11 及圖 2-12 分別為饋入網路之反射損耗(Return Loss)插入損耗

(Insertion Loss)以及各輸出埠相位圖

圖 2-10饋入網路示意圖

圖 2-11天線陣列饋入網路之反射損耗及插入損耗模擬圖

14

圖 2-12天線陣列饋入網路各輸出埠相位差

從圖 2-11 可以發現各輸出埠的能量在不同頻率的變化實線為埠一(port1)

的反射損耗其餘為埠二三及四的插入損耗在工作頻率的範圍輸出埠的能

量差值在 2dB 以內而每個輸出埠在工作頻率的相位差為 20deg以內

接著我們利用圖 2-10 的分歧器輸出埠接上天線三元天線陣列如圖 2-13

觀察其反射損耗(圖 2-14)與輻射場型(圖 2-15)

圖 2-13三元天線陣列

15

圖 2-14三元天線陣列反射損耗

圖 2-15三元天線陣列在中心頻率 355GHz 模擬的輻射場型

由圖 2-14圖 2-15 了解到反射損耗在工作頻段(34GHz~37GHz)滿足要求

觀察輻射場型發現增益已可達到 12dBi此時再利用一組能量一分三的分歧器

設計總天線陣列預計為三乘以三共九個元素的天線陣列設計參數如表 2-2

16

Dielectric constant(topbottom) 44 44

Substrate thickness(topbottom) 08mm 16mm

Loss tangent 002

Air gap 5mm

Upper substrate size 250mm x 200mm

Ground size 300mm x 250mm

表 2-2天線陣列設計參數

圖 2-16 為天線陣列結構圖由於饋入網路阻抗匹配與相位差對天線陣列影

響非常大所以設計其信號饋入端為 50Ω以符合實際上使用的 SMA 接頭使

饋入網路匹配

圖 2-16天線陣列結構俯視圖

17

圖 2-17 為天線陣列在(a)34GHz(b)355GHz(c)37GHz 的輻射場型從圖

中可看出模擬與量測的輻射場型相當接近增益也能達到要求

(a)34GHz

(b)355GHz

18

(c)37GHz

圖 2-17天線陣列輻射場型

天線結構確定之後對於其輻射場型的分布需求要符合 ETSI-TS2 的規範

表 2-3 為 ETSI-TS2 對輻射場型分布的要求以下針對輻射場型與 ETSI-mask 做

一比較如圖 2-18 所示從圖中發現除了 34GHz 些微超出標準之外其餘頻

段都能滿足輻射場型要求之後會將改善的部份再做比較

表 2-3ETSI-TS2 對輻射場型分布之要求

19

(a)34GHz

(b)355GHz

(c)37GHz

圖 2-18天線陣列輻射場型與 ETSI-mask 之比較

20

圖 2-19 為天線陣列模擬與量測的反射損耗其工作頻率與設計之天線相去

不遠均包含 34GHz~37GHz圖 2-20 為實際量測的增益對頻率的變化圖其

增益的全頻段都能大於 14dBi其中某些頻率點可看出 E-plane 與 H-plane 所量

測到的最大增益值並不相同這主要的原因在於由饋入網路輸出端在在不同頻率

會有些微的相位差所致使得天線的最大增益值會些微偏移一個角度不過基

本上的趨勢還是相近

圖 2-19天線陣列模擬與量測之反射損耗

21

圖 2-20天線陣列增益對頻率圖

頻率(GHz) 33 34 35 36 37 38

E-plane 增益

(dBi) 1457 1619 1702 1634 1568 1429

H-plane 增益

(dB) 1421 1582 1624 1607 1581 1434

表 2-4天線陣列增益對頻率表

22

(a)俯視圖

(b)側視圖

圖 2-21天線陣列實體圖(a)俯視圖(b)側視圖

23

第三章 電磁帶隙結構與應用

(Electromagnetic Band-Gap Structure and Its Applications )

31 單位晶胞設計與截止帶比較

在天線中通常在較高之基板厚度及較大之介電常數時容易產生表面波

干擾天線輻射為了阻止表面波的傳遞論文中設計了高阻抗表面也就是所謂

的電磁帶隙(EBG)結構能有效抑制表面波提升天線效能

在近幾年許多微波領域的研究文獻利用光子能隙(Photonic Band-Gap

PBG)的概念也就是在介電係數成週期性排列的三維介電材料中電磁波經介

電函數散射後某些波段的電磁波強度會因破壞性干涉而呈現衰減無法在系統

內傳遞而在頻譜上形成截止帶[7][8]應用這個觀念在平面式傳輸線上設計具

有週期性幾何結構的電路造成電磁波在某些頻段無法傳遞而達到濾波的效果

由於使用於微波頻段所以稱此種結構為電磁帶隙或電磁能隙(Electromagnetic

Band-Gap EBG)結構

一個 EBG 結構電路時為一個電路之接地面在沿著某方向或平面做週期性

幾何結構變化所構成的電路如圖 3-1

圖 3-1一維 EBG 結構電路圖

利用 EBG 電路的週期性幾何結構形成一個電磁波的截止帶實線一個具

有寬頻與良好效能的帶止濾波器(Bandstop Filter)本論文使用共平面緊密電磁

帶隙結構(Uniplanar Compact EBG)如圖 3-2取代傳統的完整或切割連結通道

CellCell Cell Cell Cell d d d d TL TL TL TL

24

的平面結構每個單位細胞間以細線做連結細線提供了主要的電感效應每個

單位細胞間以狹縫做為區隔細狹縫間之互容效應與單位細胞之平面電容提供

了主要電容效應利用並接的電感電容效應來達到一寬頻的截止帶

圖 3-2EBG 結構集總電路圖

為了得到我們需要的截止帶首先模擬一個理想傳輸線當對照組(圖 3-3)

使用了介電常數值為 44 的 FR4 電路板厚度為 16mm觀察其反射損耗與插入

損耗從圖 3-4 了解到傳輸線從 1GHz 到 15GHz 反射損耗皆在-20dB 以下插入

損耗-3dB 以上

圖 3-3微帶傳輸線

(a) 俯視圖

(b) 側視圖

25

圖 3-4微帶傳輸線之反射損耗與插入損耗

利用電磁帶隙週期性二維的重複結構如圖 3-5可以找到我們所需要的截止

帶從微帶線的插入損耗可以明顯得到所設計的截止帶頻段跟單位晶胞的大小

成正相關整體電路的等效電感與等效電容越大相對的頻帶也會往低頻跑

(a)正面俯視圖 (b)背面俯視圖

圖 3-5微帶線加上 EBG 結構正面與背面

26

改變單位晶胞大小與截止帶之比較分別從(圖 3-6)4mm2(圖 3-7)6mm2(圖

3-8)8mm2(圖 3-9)10mm2的晶胞大小可以控制截止帶落在哪些區域

(b)反射損耗

a b

g

gs

h

(a)單位晶胞大小

a = 4 mmb = 37 mm s = g = 03 mm h = 18 mm

a

27

圖 3-6微帶線加上 4mm2EBG 結構之晶胞大小與 S 參數比較

從圖 3-6 可以得知從 10GHz 到 12GHz 有一較深之截止帶14GHz 之後也有

截止頻帶只是實驗目標以低頻為主故只模擬到 15GHz繼續改變晶胞大小

來設計低頻截止帶

a b

g

gs

h

(a)單位晶胞大小

a = 6 mm b = 57 mm s = g = 03 mm h = 28 mm

a

(c)插入損耗

28

圖 3-7微帶線加上 6mm2EBG 結構之晶胞大小與 S 參數比較

讓 EBG 晶胞變大(6mm2)跟預期結果相符可以得到更低頻的截止帶低頻帶

從 7GHz 到 9GHz高頻帶 10GHz 之後仍然存在極深之截止帶

(b)S參數比較圖

a bg

gs

h

(a)單位晶胞大小

a = 8 mm b = 76 mm s = g = 04 mm h = 37 mm

a

29

圖 3-8微帶線加上 8mm2EBG 結構之晶胞大小與 S 參數比較

從圖 3-8 的結果得到更低頻的截止帶座落於 43GHz~58GHz 及

61GHz~7GHz 由 於 論 文 中 所 設 計 的 WiMAX 天 線 陣 列 工 作 頻 率 在

34GHz~37GHz故需再將晶胞大小改變讓系統能夠共振在更低頻處

(b)S參數比較圖

a bg

gs

h

(a)單位晶胞大小

a = 10 mm b = 93 mm s = g = 07 mm h = 42 mm

a

30

圖 3-9微帶線加上 10mm2EBG 結構之晶胞大小與 S 參數比較

將週期性電磁帶隙結構結合微帶線可以設計出需要的截止帶圖 3-9 主要

的截止帶在 325GHz~4GHz 及 465GHz~58GHz已經達到需求的頻帶範圍下

個目標將結合微帶天線做改善與比較

(b)S參數比較圖

31

32 電磁帶隙結構包圍方式之探討

321 有限接地面的探討

由於設計的微帶天線主要是在邊射(Broad-side)方向輻射所以需要選擇一個

適當的接地面大小讓輻射場型得到一個最佳值理論上來說無限大的接地面

可以得到最平滑(Smooth)的輻射場型只在單邊輻射不會受到地面干擾實際

上在有限的空間必須選擇一個適當大小的接地面以符合成本與面積要求

而有限的接地面卻容易造成邊緣效應干擾[12]表面波在接地面邊緣產生繞射場

(Diffracted fields)形成新的波源以陣列因子的觀點來看多了新的波源會造

成輻射場型加乘上的消長如圖 3-10微帶貼片天線主要是以前後兩側差半波

長之邊輻射而有限接地面則會在邊緣產生感應磁流(Induced equivalent

magnetic current)如圖 3-11從電場的指向可以推得磁流的方向對照輻射

場型容易在邊射方向造成波紋(Ripple)

圖 3-10有限接地面產生之輻射場型比較圖

L

32

圖 3-11介質中電場指向之強弱分布與感應磁流方向

由於接地面的大小在 E-plane 會產生波紋來干擾輻射場型所以論文中以

EBG 週期性結構來做為一個完美磁導體(Perfect Magnetic ConductorPMC)也

就是人工 PMC(Artificial PMC)抑制邊緣電場的垂直入射減弱感應磁流的效

應以改善天線輻射場型

322 天線周圍包覆 PMC

傳統上 EBG 以圍滿的方式來改善微帶天線之增益與輻射[13]並透過晶胞

數的不斷增加來提高增益及改善輻射場型但晶胞數的增加將提高成本加大

EBG 面積及天線整體體積高達一定數量時反而會降低天線性能對於微帶貼

片天線而言EBG 在接地面太靠近天線輻射邊反而影響其輻射機制造成頻率

飄移因此論文中將探討 EBG 的包圍方式對天線性能之影響以有最佳效果

已知高阻抗表面可以阻擋介質中表面波的傳遞因此先透過理想 PMC 來代

替所設計之高阻抗表面 EBG 結構以分析其特性找出提升天性能的最佳包圍

33

方式

首先把天線周圍包覆 PMC 如圖 3-12以逼近的方式慢慢擴大 PMC 的面積

一圈 PMC 的寬度與設計的晶胞大小邊長一樣從輻射場型來看使用到第二圈

時可以得到最佳的輻射效能如圖 3-13PMC 包圍有其最佳範圍取得有效的包

圍方式可以讓天線輻射最佳化

圖 3-12天線周圍包覆 PMC

34

圖 3-13天線周圍包覆 PMC 之輻射場型比較

參考天線 一圈 PMC 二圈 PMC 三圈 PMC

0 度增益 357dBi 432dBi 545dBi 478dBi

增益改善 075dB 188dB 121dB

表 3-1天線周圍包覆 PMC 之增益改善比較

35

323 輻射邊兩側包覆 PMC

由於微帶天線之表面波傳遞方向以 xz 切面為主如圖 3-14因此在微帶天線

輻射邊的兩側擺放 EBG 結構以抑制其傳遞有效改善天線輻射場型首先使

用理想的 PMC 在天線輻射邊兩側包覆如圖 3-15對於 PMC 覆蓋面積的大小作一

探討變化 PMC 之覆蓋面積了解其對天線輻射場型的影響在邊射(broadside)

方向的輻射場型可以有效改善波紋讓旁波瓣(sidelobe)大幅度降低如圖 3-16

所示以兩列 PMC 可以達到較佳效果再增加一列 PMC 雖些許增加增益不

過 PMC 覆蓋的面積已達飽和因此從上述可知在結合 EBG 和微帶天線時

將有一最佳之覆蓋面積使用最適當之晶胞數來達到最佳的增益改善

圖 3-14表面波在介質空間中分布

36

圖 3-15輻射邊兩側包覆 PMC

圖 3-16輻射邊兩側包覆 PMC 之輻射場型比較

37

參考天線 一列 PMC 二列 PMC 三列 PMC

0 度增益 357dBi 528dBi 642dBi 644dBi

增益改善 171dB 285dB 287dB

表 3-2輻射邊兩側包覆 PMC 之增益改善比較

33 電磁帶隙結構結合單一微帶天線

以下將結合所設計之 EBG 結構和微帶天線以改善微帶天線之輻射場型干

擾從前述的探討先以圍繞式包圍天線做輻射場型比較如圖 3-17 所示

圖 3-17天線周圍包覆 EBG 之輻射場型比較

38

0 度增益

Ref patch antenna 357dBi

圍繞 EBG 572dBi

ΔGain 215dB

表 3-3天線周圍包覆 EBG 之增益改善比較

由於表面波之傳遞主要為 X 軸方向因此以 EBG 之較寬頻的維度來抑制 X

方向的表面波其結合方式如下以兩列 EBG 結構與天線結合比較如圖 3-18

圖 3-18輻射邊兩側包覆 EBG 之輻射場型比較

39

0 度增益

Ref patch antenna 357dBi

輻射邊包覆 EBG 577dBi

ΔGain 22dB

表 3-4輻射邊兩側包覆 EBG 之增益改善比較

兩種包覆 EBG 的情形做比較使用輻射邊兩側包覆 EBG 對表面波抑制可以

達到最直接的效果再對接地面做變化令輻射邊到接地面邊緣距離等於 15 倍

空氣中波長邊緣的等效感應磁流干擾最大在垂射(broadside)方向造成 30 度到

60 度的旁波瓣將晶胞數加到三列使得輻射場型能有最佳效果如圖 3-19 所示

圖 3-19較大接地面應用更多晶胞數改善輻射場型圖

40

34 電磁帶隙結構結合微帶天線陣列

第二章敘述之高增益天線陣列由於在 E-plane 產生較大之旁波瓣因此論

文將結合 EBG 結構與天線陣列改善輻射場型以符合 ETSI-TS2 規範要求

對原本的天線陣列與改善後的天線陣列作一比較如圖 3-20 為天線結構示意圖

俯視圖 yz 切面為表面波影響較大的面因此我們在 E-plane 兩側包覆 EBG使

用三列的 EBG 週期結構另外圖 3-21 為(a)34GHz(b)355GHz(c)37GHz

輻射場型在 E-plane 的改善比較可以發現在(a)跟(b)改善的效果特別明顯旁波

瓣減弱許多而(c)原本旁波瓣就不大所以改善較不明顯再跟 ETSI-mask 做

比較如圖 3-22改善後的天線陣列距離輻射場型標準線有較大之安全距離對實

作上的誤差影響會比較小以下針對輻射場型做一比較

圖 3-20原始天線陣列與應用 EBG 之天線陣列

41

(a)34GHz E-plane 輻射場型比較

(b)355GHz E-plane 輻射場型比較

(c)37GHz E-plane 輻射場型比較

圖 3-21原始天線陣列與應用 EBG 之天線陣列輻射場型比較

(a)34GHz (b)355GHz (c)37GHz

42

(a)34GHz E-plane

(b)355GHz E-plane

(a)37GHz E-plane

圖 3-22原始天線陣列與應用 EBG 之天線陣列與 ETSI-mask 比較

(a)34GHz (b)355GHz (c)37GHz

43

35 模擬與量測結果比較

由上述模擬的結果進行實作及量測的工作如圖 3-23 為微帶天線結合 EBG

結構的架構表 3-5 列出了板材的規格使用的基板是 FR4 玻璃纖維基板並架高

空氣高度為 5mm

Dielectric constant(topbottom) 44 44

Substrate thickness(topbottom) 08mm 16mm

Loss tangent 002

Air gap 5mm

Upper substrate size 250mm x 200mm

Ground size 300mm x 250mm

表 3-5天線陣列設計參數

圖 3-23應用 EBG 之天線陣列結構圖

44

圖 3-24 為天線陣列在 34GHz355GHz37GHz 的輻射場型從圖中可以

觀察模擬與量測場型蠻相近的

(a)34GHz

(b)355GHz

45

(c)37GHz

圖 3-24天線陣列輻射場型模擬與量測比較

對於其輻射場型的分布需求要符合 ETSI-TS2 的規範以下針對輻射場型與

ETSI-mask 做一比較如圖 3-25 所示從圖中發現實作及量測輻射場型全部

工作頻段都能滿足 mask 要求完成一組高增益天線陣列

(a)34GHz

46

(b)355GHz

(c)37GHz

圖 3-25天線陣列輻射場型與 ETSI-mask 比較

圖 3-26 為天線陣列模擬與量測的反射損耗其工作頻率與設計之天線相去

不遠均包含 34GHz~37GHz頻寬設計較大的原因在於避免外在因素造成的頻

飄量測出來可達 33GHz~39GHz略往高頻飄不過與設計的反射損耗相當接

近圖 3-27 為實際量測的增益對頻率的變化圖其增益的全頻段都能大於

14dBiE-plane 與 H-plane 也較為接近整理數據如表 3-6

47

圖 3-26天線陣列反射損耗模擬與量測比較

圖 3-27天線陣列增益對頻率圖

48

頻率(GHz) 33 34 35 36 37 38

E-plane 增益

(dBi) 1485 1591 1620 1687 1627 1507

H-plane 增益

(dBi) 1421 1565 1598 1629 1607 1518

表 3-6天線陣列增益對頻率表

49

圖 3-28 為實體圖俯視圖側視圖與 EBG 實際大小比較

(a) 俯視圖

(b) 側視圖(空氣高度=05mm)

(c)EBG 實體結構

圖 3-28天線陣列實體圖

50

第四章 結論

(Conclusion)

本論文主要是研究適用於基地台的 WiMAX 頻段高增益天線陣列並控制其

頻寬增益及輻射場型能夠符合 ETSI(European Telecommunication Standards

Institute)的規範在論文第二章中提出的高增益天線陣列是利用一個能量分歧

器把能量等效分成三份的饋入網路接上三組一樣的三元素陣列矩形微帶天線所

組成的天線陣列最高增益可達到 17dBi工作頻率的增益都能超過要求的

14dBi輻射場型符合 ETSI-TS2 規範另外本論文所提出的天線陣列為印刷式

天線不但具有輕量化的特性且大幅降低製作上的困難度也減輕了成本的負擔

透過本論文所設計之 EBG 可有效降低傳統 EBG 結構的製程僅以 FR4 板

材即可自行實作比較無須鉚釘並提出有效提升微帶天線增益的包圍方式在

有限的接地面下可選擇適當的晶胞數來改善天線陣列的輻射場型抑制表面波

對天線的干擾讓邊際效應產生的感應磁流干擾降到最低最後在實作及量測部

分驗證我們模擬的結果

51

參考文獻

[1] W L Stutzman and G A Thiele Antenna Theory and Design 2nd ed New York

Wiley 1998

[2] A Balanis Antenna Theory Analysis and Design New York Wiley 1997

[3] R Gardelli G La Cono and M Albani ldquoA low-cost suspended patch antenna for

WLAN access points and point-to-point linksrdquo IEEE Antennas and Propagat vol

3 no 1 pp 90-93 2004

[4] H F Pues and A R Van de capelle ldquoAn impedance-matching technique for

increasing the bandwidth of microstrip antennasrdquo IEEE Trans on Antennas and

Propagat vol 37 no 11 pp 1345-1354 Nov 1989

[5] Q Song and XndashX Zhang ldquoA study on wideband gap-coupled microstrip antenna

arraysrdquo IEEE Trans On Antennas and Propagat vol 43 no 3 pp 313-317 Mar

1995

[6] D Sievenpiper L Z Romulo F J Broas N G Alexopolous and E Yablonovitch

ldquoHigh-impedance electromagnetic surfaces with a forbidden frequency bandrdquo

IEEE Trans Microwave Theory Tech vol 47 no 11 pp 311-335 Nov 1999

[7] F-R Yang K-P Ma Y Qian and T Itoh ldquo A Uniplanar Compact

Photonic-Bandgap (UC-PBG) Structure and Its Applications for Microwave

Circuitsrdquo IEEE Trans MTT vol 47 Aug 1999

[8] M F Abedin M Z Azad and M Ali ldquo wideband smaller unit-cell planar EBG

structures and their applicationrdquo IEEE Trans On Antenna and Propagat vol 56

no 3 pp 903-908 Mar 2008

[9] I J Bahl and P Bhartia Microstrip Antennas Artech House 1980

[10] JR James and P S Hall Handbook of Microstrip Antennas LondonPeter

Peregrinus Ltd 1989

52

[11] K C Gupta R Garg I J Bahl P Bhartia Microstrip Lines and Slotlines 2nd ed

Norwood MAArtech House 1996

[12] T Namiki Y Murayama and K Ito ldquo Improving radiation-pattern distortion of a

patch antenna having a finite ground planerdquo IEEE Trans On Antenna and

Propagat vol 51 no 3 pp 478-482 Mar 2003

[13] R Coccioli F-R Yang K-P Ma and T Itoh ldquo Aperture-coupled patch antenna

on UC-PBG substraterdquo IEEE Trans Microwave Theory Tech vol 47 no 11 pp

2123-2130 Nov 1999

[14] F Yang and Y Rahmat-samii ldquo Microstrip antenna integrated with

electromagnetic band-gap (EBG) structure a low mutual coupling design for array

applicationrdquo IEEE Trans On Antenna and Propagat vol 51 no 10 pp

2936-2946 Oct2003

[15] Z Iluz R Shavit and R Bauer ldquo Microstrip antenna phased array with

electromagnetic bandgap substraterdquo IEEE Trans On Antenna and Propagat vol

52 no 6 pp 1446-1453 June 2004

  • 封面pdf
  • 摘要與目錄pdf
  • 論文_終稿_pdf
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DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT 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 DEU 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 ESP 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 FRA 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 KOR 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 PTB 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 SUO ltFEFF004b00e40079007400e40020006e00e40069007400e4002000610073006500740075006b007300690061002c0020006b0075006e0020006c0075006f0074002000410064006f0062006500200050004400460020002d0064006f006b0075006d0065006e007400740065006a00610020006c0061006100640075006b006100730074006100200074007900f6007000f60079007400e400740075006c006f0073007400750073007400610020006a00610020007600650064006f007300740075007300740061002000760061007200740065006e002e00200020004c0075006f0064007500740020005000440046002d0064006f006b0075006d0065006e00740069007400200076006f0069006400610061006e0020006100760061007400610020004100630072006f0062006100740069006c006c00610020006a0061002000410064006f00620065002000520065006100640065007200200035002e0030003a006c006c00610020006a006100200075007500640065006d006d0069006c006c0061002egt SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP 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 FRA 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 ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP 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 FRA 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 ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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iii

謝 誌

首先我要誠摯地感謝我的指導教授--林育德博士這兩年來在學術研究及

專業領域上給我的許多指導使得我對於無線通訊系統與天線研究領域能有相當

程度的了解感謝口試委員林根煌教授洪萬鑄教授陳泰利教授前來協助

我們口試對於學生的論文內容加以指導使得論文得以更加完善 另外特別感謝實驗室林烈全學長提供在天線領域上的知識與研究上的心

得在碩士兩年時間對我在研究上的指導與幫助感謝實驗室學長阿德智聰

旻翰和彭哥在一年來不厭其煩的教導讓我們受益良多當然還要感謝實驗室

的同學奕翔陳鈺志豪和家綱這兩年來互相幫助互相成長以及學弟信良仁

佑和侑賢帶來生活上的樂趣 最後衷心感謝我最親愛的家人與親戚朋友因為有他們的全力支持與照

顧我才能無後顧之憂地完成研究所的學業

iv

目 錄

中文摘要 i

英文摘要 ii

謝誌 iii

目錄 iv

圖錄v

表錄 ix

第一章 導論1

11 工程背景與動機1

12 章節介紹2

第二章 基本理論與天線架構3

21 微帶貼片天線和陣列理論3

211 微帶貼片天線理論3

212 陣列理論6

22 天線結構9

221 單一微帶貼片天線設計9

222 高增益天線陣列設計13

第三章 電磁帶隙結構23

31 單位晶胞設計與截止帶比較23

32 電磁帶隙結構包圍方式之探討31

321 有限接地面的探討31

322 天線周圍包覆 PMC 32

323 輻射邊兩側包圍 PMC 35

33 電磁帶隙結構結合單一微帶天線37

34 電磁帶隙結構結合微帶天線陣列40

35 模擬與量測結果比較43

第四章 結論50

參考文獻51

v

圖 錄

圖 2-1微帶貼片天線示意圖 3

圖 2-2微帶天線等效傳輸線電路圖 5

圖 2-3點波源等間距之線性陣列 6

圖 2-4在不同間距時E-plane 的陣列因子8

圖 2-5在不同間距時H-plane 的陣列因子 8

圖 2-6懸浮微帶線結構(Suspended microstrip line configuration) 9

圖 2-7矩形微帶貼片天線示意圖 11

圖 2-8矩形微帶貼片天線反射損耗 12

圖 2-9矩形微帶貼片天線在中心頻率 355GHz 模擬的輻射場型12

圖 2-10饋入網路示意圖 13

圖 2-11天線陣列饋入網路之反射損耗及插入損耗模擬圖 13

圖 2-12天線陣列饋入網路各輸出埠相位差 14

圖 2-13三元天線陣列 14

圖 2-14三元天線陣列反射損耗 15

圖 2-15三元天線陣列在中心頻率 355GHz 模擬的輻射場型15

圖 2-16天線陣列結構俯視圖 16

圖 2-17天線陣列輻射場型 17

(a)34GHz17

(b)355GHz 17

(c)37GHz18

圖 2-18天線陣列輻射場型與 ETSI-mask 之比較 19

(a)34GHz19

(b)355GHz 19

(c)37GHz19

圖 2-19天線陣列模擬與量測之反射損耗 20

vi

圖 2-20天線陣列增益對頻率圖 21

圖 2-21天線陣列實體圖 22

(a)俯視圖 22

(b)側視圖 22

圖 3-1一維 EBG 結構電路圖 23

圖 3-2EBG 結構集總電路圖 24

圖 3-3微帶傳輸線 24

(a)俯視圖 24

(b)側視圖 24

圖 3-4微帶傳輸線之反射損耗與插入損耗 25

圖 3-5微帶線加上 EBG 結構正面與背面 25

(a)正面俯視圖 25

(b)背面俯視圖 25

圖 3-6微帶線加上 4mm2EBG 結構之晶胞大小與 S 參數比較 26

(a)單位晶胞大小 26

(b)反射損耗 26

(c)插入損耗 27

圖 3-7微帶線加上 6mm2EBG 結構之晶胞大小與 S 參數比較 27

(a)單位晶胞大小 27

(b)S 參數比較圖28

圖 3-8微帶線加上 8mm2EBG 結構之晶胞大小與 S 參數比較 28

(a)單位晶胞大小 28

(b)S 參數比較圖29

圖 3-9微帶線加上 10mm2EBG 結構之晶胞大小與 S 參數比較 29

(a)單位晶胞大小 29

(b)S 參數比較圖30

vii

圖 3-10有限接地面產生之輻射場型比較圖 31

圖 3-11介質中電場指向之強弱分布與感應磁流方向 32

圖 3-12天線周圍包覆 PMC33

圖 3-13天線周圍包覆 PMC 之輻射場型比較34

圖 3-14表面波在介質空間中分佈 35

圖 3-15輻射邊兩側包覆 PMC36

圖 3-16輻射邊兩側包覆 PMC 之輻射場型比較36

圖 3-17天線周圍包覆 EBG 之輻射場型比較 37

圖 3-18輻射邊兩側包覆 EBG 之輻射場型比較 38

圖 3-19較大接地面應用更多晶胞數改善輻射場型圖 39

圖 3-20原始天線陣列與應用 EBG 之天線陣列 40

圖 3-21原始天線陣列與應用 EBG 之天線陣列輻射場型比較 41

(a)34GHz41

(b)355GHz 41

(c)37GHz41

圖 3-22原始天線陣列與應用 EBG 之天線陣列與 ETSI-mask 比較 42

(a)34GHz42

(b)355GHz 42

(c)37GHz42

圖 3-23應用 EBG 之天線陣列結構圖 43

圖 3-24天線陣列輻射場型模擬與量測比較 44

(a)34GHz44

(b)355GHz 44

(c)37GHz45

圖 3-25天線陣列輻射場型與 ETSI-mask 比較 45

(a)34GHz45

viii

(b)355GHz 46

(c)37GHz46

圖 3-26天線陣列反射損耗模擬與量測比較 47

圖 3-27天線陣列增益對頻率圖 47

圖 3-28天線陣列實體圖 49

(a)俯視圖 49

(b)側視圖(空氣高度=05mm)49

(c)EBG 實體結構 49

ix

表 錄

表 2-1矩形微帶天線設計參數 11

表 2-2天線陣列設計參數 16

表 2-3ETSI-TS2 對輻射場型分布之要求18

表 2-4天線陣列增益對頻率表 21

表 3-1天線周圍包覆 PMC 之增益改善比較34

表 3-2輻射邊兩側包覆 PMC 之增益改善比較37

表 3-3天線周圍包覆 EBG 之增益改善比較 38

表 3-4輻射邊兩側包覆 EBG 之增益改善比較 39

表 3-5天線陣列設計參數 43

表 3-6天線陣列增益對頻率圖 48

1

第一章 導論

(Introduction)

11 工程背景與動機

近年來電信多媒體應用快速的成長及網路使用的普及化使用者需要的不

只是能夠在任何時間地點使用電信資訊服務且更需要增加使用頻寬及具有高傳

輸速率的無線通訊WiMAX(Worldwide Interoperability for Microwave Access)也

就是全球微波存取互通介面是一個逐漸發展的點對點或點對多點無線通訊網路

標準其不但可以提供使用者足夠的頻寬也能夠讓通訊服務業者不須要在地廣

人稀的地方佈線建立寬頻基礎建設而增加其營運成本因此許多開發中國家

及鄉村地區能透過建設 WiMAX 通訊系統以無線遠距寬頻的方式取代實體

寬頻佈線加速寬頻到家普及率

隨著無線通訊的興起天線所扮演的角色也日趨重要為了使資料的無線傳

輸達到寬頻要求天線的製作上就需要有一定的規範現行 WiMAX 覆蓋的頻段

有 253555 GHz(2500-26903400-36905250-5850 MHz)在每個國家各有不同

規定應用其中美規訂於 25GHz-269GHz而歐規訂於 34GHz-369GHz本論

文的天線陣列中心頻率設計於 355GHz為了符合 WiMAX 寬頻資料傳輸及涵蓋

範圍最大達 31 英哩的特性天線陣列的設計必須具有高增益及寬頻的特性因

此本論文的天線陣列以滿足歐洲電信標準局 (European Telecommunication

Standards Institute ETSI)規範為要求天線增益在全頻段須大於 14dBi而天線場

型符合 ETSI-TS2 mask

傳統上製作高增益天線以反射型天線[1]及透射型天線[2]為主為了減少

製作成本縮小體積我們使用了微帶天線陣列微帶天線的基本觀念早在 1950

年代就已經被提出微帶天線已應用於各方面需求針對微帶天線的寬頻設計方

2

式有利用厚空氣介質[3]饋入匹配電路[4]及使用間隙耦合貼片[5]來增加天線頻

寬另外由於有限接地面的限制會產生表面波在板材邊緣造成繞射現象使

天線的增益降低及輻射場型的扭曲為了抑制表面波的傳播我們使用電磁帶隙

(Electromagnetic Band-gap EBG)週期性結構讓某頻率範圍內禁止電磁波傳遞

這範圍也就是所謂的頻帶隙(Band-gap)由於 EBG 結構在頻帶隙產生了高阻抗表

面所以可以有效抑制表面波並提升天線性能

一般蘑菇型(mushroom)EBG 結構[6]雖易於抑制表面波的傳遞但其缺點為

製作不易因為它需要透過鉚釘(via)來達成以致增加許多成本因此在論文中

設計了無鉚釘的 EBG 結構以增加其實用性並且利用 EBG 排列包圍方式來結

合微帶天線改善輻射場型的扭曲[7]最後將結合 EBG 結構的高增益微帶天

線陣列進行實做及量測與模擬做統整與比較

12 章節介紹

本論文第二章介紹微帶貼片天線和陣列的基本原理及論文中所設計的天線

陣列結構第三章主要介紹電磁帶隙結構並對天線做一結合比較內容包括

電磁帶隙設計並使用於單一微帶天線及天線陣列最後模擬分析與量測比較

第四章為本文總結討論

3

第二章 基本理論與天線結構

(Basic Theory and Antenna Structure)

21 微帶貼片天線和陣列理論

211 微帶貼片天線理論

微帶貼片天線(Microstrip Patch Antenna)具有結構簡單製作方便高度實

用而且可以很容易地經由長度及寬度的控制來做效能微調等特性本論文中所

製作的高增益天線以縮小面積降低天線的剖面降低成本易於製作為主利

用微帶貼片天線的特色製作陣列以達到我們需要的高增益天線本論文中所設

計的天線陣列以矩形微帶貼片天線為主

矩形微帶貼片天線其結構包含了接地金屬面介電質基板還有饋入電路與

輻射金屬片如圖 2-1 所示

圖 2-1微帶貼片天線示意圖

4

其可以視為兩個相隔長度 L 的輻射槽(Radiating slot)每個槽的寬度相當於

基板的厚度 h長度則相當於貼片天線的 W理論上這兩個槽應該相距 λg2其

中 λg 為在介質中的波長在貼片天線中有兩個重要的參數等效介電常數

( effective dielectric constant )及等效貼片長度( effective length )由於貼片天線的

長和寬有限所以在天線邊緣附近的會有漏電場的現象此稱邊緣效應(edge

effect)而漏電場和貼片天線的寬度以及基板的介電常數厚度有關如果天線

的 L h 值遠大於 1則漏電場的現象不會太嚴重由於當考慮到邊緣效應貼片

天線上的電場在邊緣輻射時會同時經過介電材料及空氣所以等效介電常數便不

是原本板材的介電值藉由式(2-1)我們可以得到一等效介電常數 reffε 等效介電

常數的範圍通常為1 reff rε εlt lt

121 1 1 12 1

2 2r r

reffh W

W hε εε

minus+ minus ⎡ ⎤= + + lt⎢ ⎥⎣ ⎦ (2-1)

等效介電常數對於天線的 W 跟 L 有很大的影響貼片天線的寬度 W 是影響

天線輻射效率的最大因素其可由式(2-2)計算得知

12

0 12 2

rW λ ε minus+⎛ ⎞= ⎜ ⎟⎝ ⎠

(2-2)

而在天線輻射端的兩個槽因為邊緣效應的影響等效天線長度跟實際上的長度

會有2 LΔ 的差距由式(2-3)可以得到 LΔ

5

( )

( )

03 02640412

0258 08

reff

reff

WhL h

Wh

ε

ε

⎛ ⎞+ +⎜ ⎟⎝ ⎠Δ =⎛ ⎞minus +⎜ ⎟⎝ ⎠

(2-3)

得知 LΔ 後貼片天線的實際長度 2effL L L= minus Δ 其中 2eff gL λ= 微帶貼片天線

邊緣輸入阻抗一般介於 100~400 歐姆之間計算其輸入阻抗時可將天線的兩個

輻射槽各代表一並聯的導納 Y如圖 2-2 所示

圖 2-2微帶天線等效傳輸線電路圖

其中 G1 及 B1 的大小由天線的寬度 W 決定式(2-4)及式(2-5)為 W 與 G1 及 B1 的

關係式[9]由於在此討論的天線為矩形貼片天線天線兩邊的寬度會相同故

G2 及 B2 的大小分別與 G1 及 B1 相同而 Yc則為長度約為 2gλ 傳輸線的特性導

( )21 0

0 0

1 h1 01120 24

WG k hλ λ

⎡ ⎤= minus lt⎢ ⎥⎣ ⎦ (2-4)

01

0reff

k LBZ

εΔ= (2-5)

00

reff

hZW

ηε

= (2-6)

B1 G1 G2 B2

YC

6

求得導納之後由圖 2-2 等效傳輸線電路圖可得輸入阻抗 1in inR Y= 1 2inY Y Y= +

1Y 為槽一(slot1)的導納( 1 1 1Y G jB= + ) 2Y 為槽二(slot2)的導納( 2 2 2Y G jB= + )因

為共振長度為 2gλ 所以兩個輻射槽的電納相差 180∘( 1 2B B= minus )因此輸入導

納為 12G輸入阻抗則為 1 2R 天線的邊緣輸入阻抗求得之後我們可以利用 4λ

轉換線饋入與 50Ω接頭匹配方便饋入線(feeding line)的設計

212 陣列理論

設計天線陣列時其天線陣列的排列結構各元素間的距離各元素激發的

振幅與相位及單一元素的場型都會影響陣列的場型分佈[1]圖 2-3 為一點波源

等間距之線性陣列

圖 2-3點波源等間距之線性陣列

若元素間激發電流相位差為α一等能量饋入的天線陣列之陣列因子如式

(2-7)所示

1

00

AF cosN

jn

nA e dψ ψ β θ α

minus

=

= = +sum (2-7)

其中d為天線陣列元素的間距β 為波數θ為偏離Z軸之角度α 為元素間的相

位差

7

經過推導忽略其相位因子正歸化的陣列因子為

( ) ( )( )

sin 21sin 2

Nf

ψψ

⎡ ⎤= ⎢ ⎥

⎣ ⎦ (28)

在ψ =0時有最大值主波束的方向為

1cosdαθβ

minus ⎛ ⎞minus= ⎜ ⎟

⎝ ⎠ (29)

藉由陣列因子我們將可以預估理想狀況下天線陣列的輻射場型由於本論文天線

陣列由3times3陣列矩陣所組成且微帶天線場型是分佈在天線的垂射(broadside)方

向故在設計天線陣列的饋入網路時每個元素間所得到的能量應為等大小同

相位圖2-4及圖2-5分別為3times3天線陣列E-plane及H-plane在相同大小及相位時

所計算的陣列因子我們可以藉由適當間距的陣列因子與微帶天線的場型乘積

獲得理想上的天線陣列輻射場型分佈

8

圖 2-4在不同間距時E-plane 的陣列因子

圖 2-5在不同間距時H-plane 的陣列因子

9

22 天線結構

221 單一微帶貼片天線設計

由於微帶貼片天線是一共振型天線傳統上其頻寬較窄所以我們可以藉由

改變天線的形狀增加天線的共振路徑或者改變天線的結構以提高頻寬及增

設計微帶貼片天線時基板(substrate)影響天線效能較大的有三個參數介

質損耗(正比於 tanδ )介電常數( rε )以及厚度( h )其中介質損耗越小越好如

此可以提高天線效率及增益但相對的成本也較高而介電常數也是越小越好

如此可以增加頻寬提高天線的指向性及增益相對的天線的尺寸也越大厚度

則是越大越好如此可以提高天線效率及增益有效增加頻寬但厚度太大則容

易產生表面波使得部分能量被束缚在基板中無法輻射出去

基於上述基板對天線效能的影響以及本論文對頻寬及增益的要求我們採

用 FR4( 44rε = )玻璃纖維基板並且採用厚空氣介質如此可以有效降低等效介

電常數值及提高厚度藉以達到寬頻及高增益的特性如圖 2-6 所示

圖 2-6懸浮微帶線結構(Suspended microstrip line configuration)

10

如圖 2-6 加上 air gap 高度之後其等效介電常數會有所改變其可由式(2-10)

得到一近似值[10]

( )( )

rreff

r

h H hh H hε

εε+ minus⎡ ⎤⎣ ⎦=

+ minus (2-10)

另外懸浮微帶線的特性阻抗(假設 t=0)則由式(2-11)得到較精確的值以便設計

饋入網路[11]

2

0 10

2ln 12 re

FZu u

ηπ ε

⎡ ⎤⎛ ⎞⎢ ⎥= + + ⎜ ⎟⎢ ⎥⎝ ⎠⎣ ⎦ (2-11)

其中

( ) ( )07528306661 6 2 6 uF eπ minus= + minus (2-11a)

( )0 120η π= Ω Wuh

= (2-11b)

1

11 ln 1rer

h Wa bH h H h

εε

minus⎡ ⎤⎛ ⎞⎛ ⎞= + minus minus⎢ ⎥⎜ ⎟⎜ ⎟⎜ ⎟minus minus⎝ ⎠⎢ ⎥⎝ ⎠⎣ ⎦

(2-12)

其中

4

08621 0125ln haH h

⎡ ⎤⎛ ⎞= minus ⎜ ⎟⎢ ⎥minus⎝ ⎠⎣ ⎦ (2-12a)

4

04986 01397 ln hbH h

⎡ ⎤⎛ ⎞= minus ⎜ ⎟⎢ ⎥minus⎝ ⎠⎣ ⎦ (2-12b)

11

利用前面提到的矩形微帶天線基本理論將天線的寬度及長度求出把饋入網

路與天線元素在同一平面做一結合設計參數如表 2-1

Dielectric constant 44

Substrate thickness 08mm

Loss tangent 002

Air gap 5mm

Single patch size 416mm(W) x 335mm(L)

Feeding line width 0901mm

Feeding line length 1996mm

表 2-1矩形微帶天線設計參數

利用式(2-4)(2-5)及(2-6)求出天線邊緣的輸入阻抗再設計一四分之一波長

傳輸線饋入並以特性阻抗 Z0 的輸入埠進行模擬如圖 2-7 所示

圖 2-7矩形微帶貼片天線示意圖

Ground plane

65mm Patch antenna

W

L

Zt=9904Ω

Z0=50Ω

80mm

12

當天線共振時天線邊緣的輸入阻抗 inZ 可藉由 20in tZ Z Z= 計算得知接著

觀察中心頻率為 355GHz 的矩形微帶貼片天線其反射損耗與輻射場型圖 2-8

為反射損耗圖圖 2-9 為中心頻率 355GHz 模擬的輻射場型

圖 2-8矩形微帶貼片天線反射損耗

圖 2-9矩形微帶貼片天線在中心頻率 355GHz 模擬的輻射場型

Return Loss

13

222 高增益天線陣列設計

首先以微帶線並聯的饋入結構設計能量一分三的網路再利用傳輸線作阻

抗的匹配[13]最後再以其寬頻的特性饋入到天線陣列圖 2-10 為饋入網路示意

圖圖 2-11 及圖 2-12 分別為饋入網路之反射損耗(Return Loss)插入損耗

(Insertion Loss)以及各輸出埠相位圖

圖 2-10饋入網路示意圖

圖 2-11天線陣列饋入網路之反射損耗及插入損耗模擬圖

14

圖 2-12天線陣列饋入網路各輸出埠相位差

從圖 2-11 可以發現各輸出埠的能量在不同頻率的變化實線為埠一(port1)

的反射損耗其餘為埠二三及四的插入損耗在工作頻率的範圍輸出埠的能

量差值在 2dB 以內而每個輸出埠在工作頻率的相位差為 20deg以內

接著我們利用圖 2-10 的分歧器輸出埠接上天線三元天線陣列如圖 2-13

觀察其反射損耗(圖 2-14)與輻射場型(圖 2-15)

圖 2-13三元天線陣列

15

圖 2-14三元天線陣列反射損耗

圖 2-15三元天線陣列在中心頻率 355GHz 模擬的輻射場型

由圖 2-14圖 2-15 了解到反射損耗在工作頻段(34GHz~37GHz)滿足要求

觀察輻射場型發現增益已可達到 12dBi此時再利用一組能量一分三的分歧器

設計總天線陣列預計為三乘以三共九個元素的天線陣列設計參數如表 2-2

16

Dielectric constant(topbottom) 44 44

Substrate thickness(topbottom) 08mm 16mm

Loss tangent 002

Air gap 5mm

Upper substrate size 250mm x 200mm

Ground size 300mm x 250mm

表 2-2天線陣列設計參數

圖 2-16 為天線陣列結構圖由於饋入網路阻抗匹配與相位差對天線陣列影

響非常大所以設計其信號饋入端為 50Ω以符合實際上使用的 SMA 接頭使

饋入網路匹配

圖 2-16天線陣列結構俯視圖

17

圖 2-17 為天線陣列在(a)34GHz(b)355GHz(c)37GHz 的輻射場型從圖

中可看出模擬與量測的輻射場型相當接近增益也能達到要求

(a)34GHz

(b)355GHz

18

(c)37GHz

圖 2-17天線陣列輻射場型

天線結構確定之後對於其輻射場型的分布需求要符合 ETSI-TS2 的規範

表 2-3 為 ETSI-TS2 對輻射場型分布的要求以下針對輻射場型與 ETSI-mask 做

一比較如圖 2-18 所示從圖中發現除了 34GHz 些微超出標準之外其餘頻

段都能滿足輻射場型要求之後會將改善的部份再做比較

表 2-3ETSI-TS2 對輻射場型分布之要求

19

(a)34GHz

(b)355GHz

(c)37GHz

圖 2-18天線陣列輻射場型與 ETSI-mask 之比較

20

圖 2-19 為天線陣列模擬與量測的反射損耗其工作頻率與設計之天線相去

不遠均包含 34GHz~37GHz圖 2-20 為實際量測的增益對頻率的變化圖其

增益的全頻段都能大於 14dBi其中某些頻率點可看出 E-plane 與 H-plane 所量

測到的最大增益值並不相同這主要的原因在於由饋入網路輸出端在在不同頻率

會有些微的相位差所致使得天線的最大增益值會些微偏移一個角度不過基

本上的趨勢還是相近

圖 2-19天線陣列模擬與量測之反射損耗

21

圖 2-20天線陣列增益對頻率圖

頻率(GHz) 33 34 35 36 37 38

E-plane 增益

(dBi) 1457 1619 1702 1634 1568 1429

H-plane 增益

(dB) 1421 1582 1624 1607 1581 1434

表 2-4天線陣列增益對頻率表

22

(a)俯視圖

(b)側視圖

圖 2-21天線陣列實體圖(a)俯視圖(b)側視圖

23

第三章 電磁帶隙結構與應用

(Electromagnetic Band-Gap Structure and Its Applications )

31 單位晶胞設計與截止帶比較

在天線中通常在較高之基板厚度及較大之介電常數時容易產生表面波

干擾天線輻射為了阻止表面波的傳遞論文中設計了高阻抗表面也就是所謂

的電磁帶隙(EBG)結構能有效抑制表面波提升天線效能

在近幾年許多微波領域的研究文獻利用光子能隙(Photonic Band-Gap

PBG)的概念也就是在介電係數成週期性排列的三維介電材料中電磁波經介

電函數散射後某些波段的電磁波強度會因破壞性干涉而呈現衰減無法在系統

內傳遞而在頻譜上形成截止帶[7][8]應用這個觀念在平面式傳輸線上設計具

有週期性幾何結構的電路造成電磁波在某些頻段無法傳遞而達到濾波的效果

由於使用於微波頻段所以稱此種結構為電磁帶隙或電磁能隙(Electromagnetic

Band-Gap EBG)結構

一個 EBG 結構電路時為一個電路之接地面在沿著某方向或平面做週期性

幾何結構變化所構成的電路如圖 3-1

圖 3-1一維 EBG 結構電路圖

利用 EBG 電路的週期性幾何結構形成一個電磁波的截止帶實線一個具

有寬頻與良好效能的帶止濾波器(Bandstop Filter)本論文使用共平面緊密電磁

帶隙結構(Uniplanar Compact EBG)如圖 3-2取代傳統的完整或切割連結通道

CellCell Cell Cell Cell d d d d TL TL TL TL

24

的平面結構每個單位細胞間以細線做連結細線提供了主要的電感效應每個

單位細胞間以狹縫做為區隔細狹縫間之互容效應與單位細胞之平面電容提供

了主要電容效應利用並接的電感電容效應來達到一寬頻的截止帶

圖 3-2EBG 結構集總電路圖

為了得到我們需要的截止帶首先模擬一個理想傳輸線當對照組(圖 3-3)

使用了介電常數值為 44 的 FR4 電路板厚度為 16mm觀察其反射損耗與插入

損耗從圖 3-4 了解到傳輸線從 1GHz 到 15GHz 反射損耗皆在-20dB 以下插入

損耗-3dB 以上

圖 3-3微帶傳輸線

(a) 俯視圖

(b) 側視圖

25

圖 3-4微帶傳輸線之反射損耗與插入損耗

利用電磁帶隙週期性二維的重複結構如圖 3-5可以找到我們所需要的截止

帶從微帶線的插入損耗可以明顯得到所設計的截止帶頻段跟單位晶胞的大小

成正相關整體電路的等效電感與等效電容越大相對的頻帶也會往低頻跑

(a)正面俯視圖 (b)背面俯視圖

圖 3-5微帶線加上 EBG 結構正面與背面

26

改變單位晶胞大小與截止帶之比較分別從(圖 3-6)4mm2(圖 3-7)6mm2(圖

3-8)8mm2(圖 3-9)10mm2的晶胞大小可以控制截止帶落在哪些區域

(b)反射損耗

a b

g

gs

h

(a)單位晶胞大小

a = 4 mmb = 37 mm s = g = 03 mm h = 18 mm

a

27

圖 3-6微帶線加上 4mm2EBG 結構之晶胞大小與 S 參數比較

從圖 3-6 可以得知從 10GHz 到 12GHz 有一較深之截止帶14GHz 之後也有

截止頻帶只是實驗目標以低頻為主故只模擬到 15GHz繼續改變晶胞大小

來設計低頻截止帶

a b

g

gs

h

(a)單位晶胞大小

a = 6 mm b = 57 mm s = g = 03 mm h = 28 mm

a

(c)插入損耗

28

圖 3-7微帶線加上 6mm2EBG 結構之晶胞大小與 S 參數比較

讓 EBG 晶胞變大(6mm2)跟預期結果相符可以得到更低頻的截止帶低頻帶

從 7GHz 到 9GHz高頻帶 10GHz 之後仍然存在極深之截止帶

(b)S參數比較圖

a bg

gs

h

(a)單位晶胞大小

a = 8 mm b = 76 mm s = g = 04 mm h = 37 mm

a

29

圖 3-8微帶線加上 8mm2EBG 結構之晶胞大小與 S 參數比較

從圖 3-8 的結果得到更低頻的截止帶座落於 43GHz~58GHz 及

61GHz~7GHz 由 於 論 文 中 所 設 計 的 WiMAX 天 線 陣 列 工 作 頻 率 在

34GHz~37GHz故需再將晶胞大小改變讓系統能夠共振在更低頻處

(b)S參數比較圖

a bg

gs

h

(a)單位晶胞大小

a = 10 mm b = 93 mm s = g = 07 mm h = 42 mm

a

30

圖 3-9微帶線加上 10mm2EBG 結構之晶胞大小與 S 參數比較

將週期性電磁帶隙結構結合微帶線可以設計出需要的截止帶圖 3-9 主要

的截止帶在 325GHz~4GHz 及 465GHz~58GHz已經達到需求的頻帶範圍下

個目標將結合微帶天線做改善與比較

(b)S參數比較圖

31

32 電磁帶隙結構包圍方式之探討

321 有限接地面的探討

由於設計的微帶天線主要是在邊射(Broad-side)方向輻射所以需要選擇一個

適當的接地面大小讓輻射場型得到一個最佳值理論上來說無限大的接地面

可以得到最平滑(Smooth)的輻射場型只在單邊輻射不會受到地面干擾實際

上在有限的空間必須選擇一個適當大小的接地面以符合成本與面積要求

而有限的接地面卻容易造成邊緣效應干擾[12]表面波在接地面邊緣產生繞射場

(Diffracted fields)形成新的波源以陣列因子的觀點來看多了新的波源會造

成輻射場型加乘上的消長如圖 3-10微帶貼片天線主要是以前後兩側差半波

長之邊輻射而有限接地面則會在邊緣產生感應磁流(Induced equivalent

magnetic current)如圖 3-11從電場的指向可以推得磁流的方向對照輻射

場型容易在邊射方向造成波紋(Ripple)

圖 3-10有限接地面產生之輻射場型比較圖

L

32

圖 3-11介質中電場指向之強弱分布與感應磁流方向

由於接地面的大小在 E-plane 會產生波紋來干擾輻射場型所以論文中以

EBG 週期性結構來做為一個完美磁導體(Perfect Magnetic ConductorPMC)也

就是人工 PMC(Artificial PMC)抑制邊緣電場的垂直入射減弱感應磁流的效

應以改善天線輻射場型

322 天線周圍包覆 PMC

傳統上 EBG 以圍滿的方式來改善微帶天線之增益與輻射[13]並透過晶胞

數的不斷增加來提高增益及改善輻射場型但晶胞數的增加將提高成本加大

EBG 面積及天線整體體積高達一定數量時反而會降低天線性能對於微帶貼

片天線而言EBG 在接地面太靠近天線輻射邊反而影響其輻射機制造成頻率

飄移因此論文中將探討 EBG 的包圍方式對天線性能之影響以有最佳效果

已知高阻抗表面可以阻擋介質中表面波的傳遞因此先透過理想 PMC 來代

替所設計之高阻抗表面 EBG 結構以分析其特性找出提升天性能的最佳包圍

33

方式

首先把天線周圍包覆 PMC 如圖 3-12以逼近的方式慢慢擴大 PMC 的面積

一圈 PMC 的寬度與設計的晶胞大小邊長一樣從輻射場型來看使用到第二圈

時可以得到最佳的輻射效能如圖 3-13PMC 包圍有其最佳範圍取得有效的包

圍方式可以讓天線輻射最佳化

圖 3-12天線周圍包覆 PMC

34

圖 3-13天線周圍包覆 PMC 之輻射場型比較

參考天線 一圈 PMC 二圈 PMC 三圈 PMC

0 度增益 357dBi 432dBi 545dBi 478dBi

增益改善 075dB 188dB 121dB

表 3-1天線周圍包覆 PMC 之增益改善比較

35

323 輻射邊兩側包覆 PMC

由於微帶天線之表面波傳遞方向以 xz 切面為主如圖 3-14因此在微帶天線

輻射邊的兩側擺放 EBG 結構以抑制其傳遞有效改善天線輻射場型首先使

用理想的 PMC 在天線輻射邊兩側包覆如圖 3-15對於 PMC 覆蓋面積的大小作一

探討變化 PMC 之覆蓋面積了解其對天線輻射場型的影響在邊射(broadside)

方向的輻射場型可以有效改善波紋讓旁波瓣(sidelobe)大幅度降低如圖 3-16

所示以兩列 PMC 可以達到較佳效果再增加一列 PMC 雖些許增加增益不

過 PMC 覆蓋的面積已達飽和因此從上述可知在結合 EBG 和微帶天線時

將有一最佳之覆蓋面積使用最適當之晶胞數來達到最佳的增益改善

圖 3-14表面波在介質空間中分布

36

圖 3-15輻射邊兩側包覆 PMC

圖 3-16輻射邊兩側包覆 PMC 之輻射場型比較

37

參考天線 一列 PMC 二列 PMC 三列 PMC

0 度增益 357dBi 528dBi 642dBi 644dBi

增益改善 171dB 285dB 287dB

表 3-2輻射邊兩側包覆 PMC 之增益改善比較

33 電磁帶隙結構結合單一微帶天線

以下將結合所設計之 EBG 結構和微帶天線以改善微帶天線之輻射場型干

擾從前述的探討先以圍繞式包圍天線做輻射場型比較如圖 3-17 所示

圖 3-17天線周圍包覆 EBG 之輻射場型比較

38

0 度增益

Ref patch antenna 357dBi

圍繞 EBG 572dBi

ΔGain 215dB

表 3-3天線周圍包覆 EBG 之增益改善比較

由於表面波之傳遞主要為 X 軸方向因此以 EBG 之較寬頻的維度來抑制 X

方向的表面波其結合方式如下以兩列 EBG 結構與天線結合比較如圖 3-18

圖 3-18輻射邊兩側包覆 EBG 之輻射場型比較

39

0 度增益

Ref patch antenna 357dBi

輻射邊包覆 EBG 577dBi

ΔGain 22dB

表 3-4輻射邊兩側包覆 EBG 之增益改善比較

兩種包覆 EBG 的情形做比較使用輻射邊兩側包覆 EBG 對表面波抑制可以

達到最直接的效果再對接地面做變化令輻射邊到接地面邊緣距離等於 15 倍

空氣中波長邊緣的等效感應磁流干擾最大在垂射(broadside)方向造成 30 度到

60 度的旁波瓣將晶胞數加到三列使得輻射場型能有最佳效果如圖 3-19 所示

圖 3-19較大接地面應用更多晶胞數改善輻射場型圖

40

34 電磁帶隙結構結合微帶天線陣列

第二章敘述之高增益天線陣列由於在 E-plane 產生較大之旁波瓣因此論

文將結合 EBG 結構與天線陣列改善輻射場型以符合 ETSI-TS2 規範要求

對原本的天線陣列與改善後的天線陣列作一比較如圖 3-20 為天線結構示意圖

俯視圖 yz 切面為表面波影響較大的面因此我們在 E-plane 兩側包覆 EBG使

用三列的 EBG 週期結構另外圖 3-21 為(a)34GHz(b)355GHz(c)37GHz

輻射場型在 E-plane 的改善比較可以發現在(a)跟(b)改善的效果特別明顯旁波

瓣減弱許多而(c)原本旁波瓣就不大所以改善較不明顯再跟 ETSI-mask 做

比較如圖 3-22改善後的天線陣列距離輻射場型標準線有較大之安全距離對實

作上的誤差影響會比較小以下針對輻射場型做一比較

圖 3-20原始天線陣列與應用 EBG 之天線陣列

41

(a)34GHz E-plane 輻射場型比較

(b)355GHz E-plane 輻射場型比較

(c)37GHz E-plane 輻射場型比較

圖 3-21原始天線陣列與應用 EBG 之天線陣列輻射場型比較

(a)34GHz (b)355GHz (c)37GHz

42

(a)34GHz E-plane

(b)355GHz E-plane

(a)37GHz E-plane

圖 3-22原始天線陣列與應用 EBG 之天線陣列與 ETSI-mask 比較

(a)34GHz (b)355GHz (c)37GHz

43

35 模擬與量測結果比較

由上述模擬的結果進行實作及量測的工作如圖 3-23 為微帶天線結合 EBG

結構的架構表 3-5 列出了板材的規格使用的基板是 FR4 玻璃纖維基板並架高

空氣高度為 5mm

Dielectric constant(topbottom) 44 44

Substrate thickness(topbottom) 08mm 16mm

Loss tangent 002

Air gap 5mm

Upper substrate size 250mm x 200mm

Ground size 300mm x 250mm

表 3-5天線陣列設計參數

圖 3-23應用 EBG 之天線陣列結構圖

44

圖 3-24 為天線陣列在 34GHz355GHz37GHz 的輻射場型從圖中可以

觀察模擬與量測場型蠻相近的

(a)34GHz

(b)355GHz

45

(c)37GHz

圖 3-24天線陣列輻射場型模擬與量測比較

對於其輻射場型的分布需求要符合 ETSI-TS2 的規範以下針對輻射場型與

ETSI-mask 做一比較如圖 3-25 所示從圖中發現實作及量測輻射場型全部

工作頻段都能滿足 mask 要求完成一組高增益天線陣列

(a)34GHz

46

(b)355GHz

(c)37GHz

圖 3-25天線陣列輻射場型與 ETSI-mask 比較

圖 3-26 為天線陣列模擬與量測的反射損耗其工作頻率與設計之天線相去

不遠均包含 34GHz~37GHz頻寬設計較大的原因在於避免外在因素造成的頻

飄量測出來可達 33GHz~39GHz略往高頻飄不過與設計的反射損耗相當接

近圖 3-27 為實際量測的增益對頻率的變化圖其增益的全頻段都能大於

14dBiE-plane 與 H-plane 也較為接近整理數據如表 3-6

47

圖 3-26天線陣列反射損耗模擬與量測比較

圖 3-27天線陣列增益對頻率圖

48

頻率(GHz) 33 34 35 36 37 38

E-plane 增益

(dBi) 1485 1591 1620 1687 1627 1507

H-plane 增益

(dBi) 1421 1565 1598 1629 1607 1518

表 3-6天線陣列增益對頻率表

49

圖 3-28 為實體圖俯視圖側視圖與 EBG 實際大小比較

(a) 俯視圖

(b) 側視圖(空氣高度=05mm)

(c)EBG 實體結構

圖 3-28天線陣列實體圖

50

第四章 結論

(Conclusion)

本論文主要是研究適用於基地台的 WiMAX 頻段高增益天線陣列並控制其

頻寬增益及輻射場型能夠符合 ETSI(European Telecommunication Standards

Institute)的規範在論文第二章中提出的高增益天線陣列是利用一個能量分歧

器把能量等效分成三份的饋入網路接上三組一樣的三元素陣列矩形微帶天線所

組成的天線陣列最高增益可達到 17dBi工作頻率的增益都能超過要求的

14dBi輻射場型符合 ETSI-TS2 規範另外本論文所提出的天線陣列為印刷式

天線不但具有輕量化的特性且大幅降低製作上的困難度也減輕了成本的負擔

透過本論文所設計之 EBG 可有效降低傳統 EBG 結構的製程僅以 FR4 板

材即可自行實作比較無須鉚釘並提出有效提升微帶天線增益的包圍方式在

有限的接地面下可選擇適當的晶胞數來改善天線陣列的輻射場型抑制表面波

對天線的干擾讓邊際效應產生的感應磁流干擾降到最低最後在實作及量測部

分驗證我們模擬的結果

51

參考文獻

[1] W L Stutzman and G A Thiele Antenna Theory and Design 2nd ed New York

Wiley 1998

[2] A Balanis Antenna Theory Analysis and Design New York Wiley 1997

[3] R Gardelli G La Cono and M Albani ldquoA low-cost suspended patch antenna for

WLAN access points and point-to-point linksrdquo IEEE Antennas and Propagat vol

3 no 1 pp 90-93 2004

[4] H F Pues and A R Van de capelle ldquoAn impedance-matching technique for

increasing the bandwidth of microstrip antennasrdquo IEEE Trans on Antennas and

Propagat vol 37 no 11 pp 1345-1354 Nov 1989

[5] Q Song and XndashX Zhang ldquoA study on wideband gap-coupled microstrip antenna

arraysrdquo IEEE Trans On Antennas and Propagat vol 43 no 3 pp 313-317 Mar

1995

[6] D Sievenpiper L Z Romulo F J Broas N G Alexopolous and E Yablonovitch

ldquoHigh-impedance electromagnetic surfaces with a forbidden frequency bandrdquo

IEEE Trans Microwave Theory Tech vol 47 no 11 pp 311-335 Nov 1999

[7] F-R Yang K-P Ma Y Qian and T Itoh ldquo A Uniplanar Compact

Photonic-Bandgap (UC-PBG) Structure and Its Applications for Microwave

Circuitsrdquo IEEE Trans MTT vol 47 Aug 1999

[8] M F Abedin M Z Azad and M Ali ldquo wideband smaller unit-cell planar EBG

structures and their applicationrdquo IEEE Trans On Antenna and Propagat vol 56

no 3 pp 903-908 Mar 2008

[9] I J Bahl and P Bhartia Microstrip Antennas Artech House 1980

[10] JR James and P S Hall Handbook of Microstrip Antennas LondonPeter

Peregrinus Ltd 1989

52

[11] K C Gupta R Garg I J Bahl P Bhartia Microstrip Lines and Slotlines 2nd ed

Norwood MAArtech House 1996

[12] T Namiki Y Murayama and K Ito ldquo Improving radiation-pattern distortion of a

patch antenna having a finite ground planerdquo IEEE Trans On Antenna and

Propagat vol 51 no 3 pp 478-482 Mar 2003

[13] R Coccioli F-R Yang K-P Ma and T Itoh ldquo Aperture-coupled patch antenna

on UC-PBG substraterdquo IEEE Trans Microwave Theory Tech vol 47 no 11 pp

2123-2130 Nov 1999

[14] F Yang and Y Rahmat-samii ldquo Microstrip antenna integrated with

electromagnetic band-gap (EBG) structure a low mutual coupling design for array

applicationrdquo IEEE Trans On Antenna and Propagat vol 51 no 10 pp

2936-2946 Oct2003

[15] Z Iluz R Shavit and R Bauer ldquo Microstrip antenna phased array with

electromagnetic bandgap substraterdquo IEEE Trans On Antenna and Propagat vol

52 no 6 pp 1446-1453 June 2004

  • 封面pdf
  • 摘要與目錄pdf
  • 論文_終稿_pdf
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 DEU 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ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP 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 FRA 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 ITA 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 JPN ltFEFF9ad854c18cea51fa529b7528002000410064006f0062006500200050004400460020658766f8306e4f5c6210306b4f7f75283057307e30593002537052376642306e753b8cea3092670059279650306b4fdd306430533068304c3067304d307e3059300230c730b930af30c830c330d730d730ea30f330bf3067306e53705237307e305f306f30d730eb30fc30d57528306b9069305730663044307e305930023053306e8a2d5b9a30674f5c62103055308c305f0020005000440046002030d530a130a430eb306f3001004100630072006f0062006100740020304a30883073002000410064006f00620065002000520065006100640065007200200035002e003000204ee5964d3067958b304f30533068304c3067304d307e30593002gt KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR ltFEFF004200720075006b00200064006900730073006500200069006e006e007300740069006c006c0069006e00670065006e0065002000740069006c002000e50020006f0070007000720065007400740065002000410064006f006200650020005000440046002d0064006f006b0075006d0065006e00740065007200200066006f00720020007500740073006b00720069006600740020006100760020006800f800790020006b00760061006c00690074006500740020007000e500200062006f007200640073006b0072006900760065007200200065006c006c00650072002000700072006f006f006600650072002e0020005000440046002d0064006f006b0075006d0065006e00740065006e00650020006b0061006e002000e50070006e00650073002000690020004100630072006f00620061007400200065006c006c00650072002000410064006f00620065002000520065006100640065007200200035002e003000200065006c006c00650072002000730065006e006500720065002egt PTB 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 SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP 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 FRA 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 ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

iv

目 錄

中文摘要 i

英文摘要 ii

謝誌 iii

目錄 iv

圖錄v

表錄 ix

第一章 導論1

11 工程背景與動機1

12 章節介紹2

第二章 基本理論與天線架構3

21 微帶貼片天線和陣列理論3

211 微帶貼片天線理論3

212 陣列理論6

22 天線結構9

221 單一微帶貼片天線設計9

222 高增益天線陣列設計13

第三章 電磁帶隙結構23

31 單位晶胞設計與截止帶比較23

32 電磁帶隙結構包圍方式之探討31

321 有限接地面的探討31

322 天線周圍包覆 PMC 32

323 輻射邊兩側包圍 PMC 35

33 電磁帶隙結構結合單一微帶天線37

34 電磁帶隙結構結合微帶天線陣列40

35 模擬與量測結果比較43

第四章 結論50

參考文獻51

v

圖 錄

圖 2-1微帶貼片天線示意圖 3

圖 2-2微帶天線等效傳輸線電路圖 5

圖 2-3點波源等間距之線性陣列 6

圖 2-4在不同間距時E-plane 的陣列因子8

圖 2-5在不同間距時H-plane 的陣列因子 8

圖 2-6懸浮微帶線結構(Suspended microstrip line configuration) 9

圖 2-7矩形微帶貼片天線示意圖 11

圖 2-8矩形微帶貼片天線反射損耗 12

圖 2-9矩形微帶貼片天線在中心頻率 355GHz 模擬的輻射場型12

圖 2-10饋入網路示意圖 13

圖 2-11天線陣列饋入網路之反射損耗及插入損耗模擬圖 13

圖 2-12天線陣列饋入網路各輸出埠相位差 14

圖 2-13三元天線陣列 14

圖 2-14三元天線陣列反射損耗 15

圖 2-15三元天線陣列在中心頻率 355GHz 模擬的輻射場型15

圖 2-16天線陣列結構俯視圖 16

圖 2-17天線陣列輻射場型 17

(a)34GHz17

(b)355GHz 17

(c)37GHz18

圖 2-18天線陣列輻射場型與 ETSI-mask 之比較 19

(a)34GHz19

(b)355GHz 19

(c)37GHz19

圖 2-19天線陣列模擬與量測之反射損耗 20

vi

圖 2-20天線陣列增益對頻率圖 21

圖 2-21天線陣列實體圖 22

(a)俯視圖 22

(b)側視圖 22

圖 3-1一維 EBG 結構電路圖 23

圖 3-2EBG 結構集總電路圖 24

圖 3-3微帶傳輸線 24

(a)俯視圖 24

(b)側視圖 24

圖 3-4微帶傳輸線之反射損耗與插入損耗 25

圖 3-5微帶線加上 EBG 結構正面與背面 25

(a)正面俯視圖 25

(b)背面俯視圖 25

圖 3-6微帶線加上 4mm2EBG 結構之晶胞大小與 S 參數比較 26

(a)單位晶胞大小 26

(b)反射損耗 26

(c)插入損耗 27

圖 3-7微帶線加上 6mm2EBG 結構之晶胞大小與 S 參數比較 27

(a)單位晶胞大小 27

(b)S 參數比較圖28

圖 3-8微帶線加上 8mm2EBG 結構之晶胞大小與 S 參數比較 28

(a)單位晶胞大小 28

(b)S 參數比較圖29

圖 3-9微帶線加上 10mm2EBG 結構之晶胞大小與 S 參數比較 29

(a)單位晶胞大小 29

(b)S 參數比較圖30

vii

圖 3-10有限接地面產生之輻射場型比較圖 31

圖 3-11介質中電場指向之強弱分布與感應磁流方向 32

圖 3-12天線周圍包覆 PMC33

圖 3-13天線周圍包覆 PMC 之輻射場型比較34

圖 3-14表面波在介質空間中分佈 35

圖 3-15輻射邊兩側包覆 PMC36

圖 3-16輻射邊兩側包覆 PMC 之輻射場型比較36

圖 3-17天線周圍包覆 EBG 之輻射場型比較 37

圖 3-18輻射邊兩側包覆 EBG 之輻射場型比較 38

圖 3-19較大接地面應用更多晶胞數改善輻射場型圖 39

圖 3-20原始天線陣列與應用 EBG 之天線陣列 40

圖 3-21原始天線陣列與應用 EBG 之天線陣列輻射場型比較 41

(a)34GHz41

(b)355GHz 41

(c)37GHz41

圖 3-22原始天線陣列與應用 EBG 之天線陣列與 ETSI-mask 比較 42

(a)34GHz42

(b)355GHz 42

(c)37GHz42

圖 3-23應用 EBG 之天線陣列結構圖 43

圖 3-24天線陣列輻射場型模擬與量測比較 44

(a)34GHz44

(b)355GHz 44

(c)37GHz45

圖 3-25天線陣列輻射場型與 ETSI-mask 比較 45

(a)34GHz45

viii

(b)355GHz 46

(c)37GHz46

圖 3-26天線陣列反射損耗模擬與量測比較 47

圖 3-27天線陣列增益對頻率圖 47

圖 3-28天線陣列實體圖 49

(a)俯視圖 49

(b)側視圖(空氣高度=05mm)49

(c)EBG 實體結構 49

ix

表 錄

表 2-1矩形微帶天線設計參數 11

表 2-2天線陣列設計參數 16

表 2-3ETSI-TS2 對輻射場型分布之要求18

表 2-4天線陣列增益對頻率表 21

表 3-1天線周圍包覆 PMC 之增益改善比較34

表 3-2輻射邊兩側包覆 PMC 之增益改善比較37

表 3-3天線周圍包覆 EBG 之增益改善比較 38

表 3-4輻射邊兩側包覆 EBG 之增益改善比較 39

表 3-5天線陣列設計參數 43

表 3-6天線陣列增益對頻率圖 48

1

第一章 導論

(Introduction)

11 工程背景與動機

近年來電信多媒體應用快速的成長及網路使用的普及化使用者需要的不

只是能夠在任何時間地點使用電信資訊服務且更需要增加使用頻寬及具有高傳

輸速率的無線通訊WiMAX(Worldwide Interoperability for Microwave Access)也

就是全球微波存取互通介面是一個逐漸發展的點對點或點對多點無線通訊網路

標準其不但可以提供使用者足夠的頻寬也能夠讓通訊服務業者不須要在地廣

人稀的地方佈線建立寬頻基礎建設而增加其營運成本因此許多開發中國家

及鄉村地區能透過建設 WiMAX 通訊系統以無線遠距寬頻的方式取代實體

寬頻佈線加速寬頻到家普及率

隨著無線通訊的興起天線所扮演的角色也日趨重要為了使資料的無線傳

輸達到寬頻要求天線的製作上就需要有一定的規範現行 WiMAX 覆蓋的頻段

有 253555 GHz(2500-26903400-36905250-5850 MHz)在每個國家各有不同

規定應用其中美規訂於 25GHz-269GHz而歐規訂於 34GHz-369GHz本論

文的天線陣列中心頻率設計於 355GHz為了符合 WiMAX 寬頻資料傳輸及涵蓋

範圍最大達 31 英哩的特性天線陣列的設計必須具有高增益及寬頻的特性因

此本論文的天線陣列以滿足歐洲電信標準局 (European Telecommunication

Standards Institute ETSI)規範為要求天線增益在全頻段須大於 14dBi而天線場

型符合 ETSI-TS2 mask

傳統上製作高增益天線以反射型天線[1]及透射型天線[2]為主為了減少

製作成本縮小體積我們使用了微帶天線陣列微帶天線的基本觀念早在 1950

年代就已經被提出微帶天線已應用於各方面需求針對微帶天線的寬頻設計方

2

式有利用厚空氣介質[3]饋入匹配電路[4]及使用間隙耦合貼片[5]來增加天線頻

寬另外由於有限接地面的限制會產生表面波在板材邊緣造成繞射現象使

天線的增益降低及輻射場型的扭曲為了抑制表面波的傳播我們使用電磁帶隙

(Electromagnetic Band-gap EBG)週期性結構讓某頻率範圍內禁止電磁波傳遞

這範圍也就是所謂的頻帶隙(Band-gap)由於 EBG 結構在頻帶隙產生了高阻抗表

面所以可以有效抑制表面波並提升天線性能

一般蘑菇型(mushroom)EBG 結構[6]雖易於抑制表面波的傳遞但其缺點為

製作不易因為它需要透過鉚釘(via)來達成以致增加許多成本因此在論文中

設計了無鉚釘的 EBG 結構以增加其實用性並且利用 EBG 排列包圍方式來結

合微帶天線改善輻射場型的扭曲[7]最後將結合 EBG 結構的高增益微帶天

線陣列進行實做及量測與模擬做統整與比較

12 章節介紹

本論文第二章介紹微帶貼片天線和陣列的基本原理及論文中所設計的天線

陣列結構第三章主要介紹電磁帶隙結構並對天線做一結合比較內容包括

電磁帶隙設計並使用於單一微帶天線及天線陣列最後模擬分析與量測比較

第四章為本文總結討論

3

第二章 基本理論與天線結構

(Basic Theory and Antenna Structure)

21 微帶貼片天線和陣列理論

211 微帶貼片天線理論

微帶貼片天線(Microstrip Patch Antenna)具有結構簡單製作方便高度實

用而且可以很容易地經由長度及寬度的控制來做效能微調等特性本論文中所

製作的高增益天線以縮小面積降低天線的剖面降低成本易於製作為主利

用微帶貼片天線的特色製作陣列以達到我們需要的高增益天線本論文中所設

計的天線陣列以矩形微帶貼片天線為主

矩形微帶貼片天線其結構包含了接地金屬面介電質基板還有饋入電路與

輻射金屬片如圖 2-1 所示

圖 2-1微帶貼片天線示意圖

4

其可以視為兩個相隔長度 L 的輻射槽(Radiating slot)每個槽的寬度相當於

基板的厚度 h長度則相當於貼片天線的 W理論上這兩個槽應該相距 λg2其

中 λg 為在介質中的波長在貼片天線中有兩個重要的參數等效介電常數

( effective dielectric constant )及等效貼片長度( effective length )由於貼片天線的

長和寬有限所以在天線邊緣附近的會有漏電場的現象此稱邊緣效應(edge

effect)而漏電場和貼片天線的寬度以及基板的介電常數厚度有關如果天線

的 L h 值遠大於 1則漏電場的現象不會太嚴重由於當考慮到邊緣效應貼片

天線上的電場在邊緣輻射時會同時經過介電材料及空氣所以等效介電常數便不

是原本板材的介電值藉由式(2-1)我們可以得到一等效介電常數 reffε 等效介電

常數的範圍通常為1 reff rε εlt lt

121 1 1 12 1

2 2r r

reffh W

W hε εε

minus+ minus ⎡ ⎤= + + lt⎢ ⎥⎣ ⎦ (2-1)

等效介電常數對於天線的 W 跟 L 有很大的影響貼片天線的寬度 W 是影響

天線輻射效率的最大因素其可由式(2-2)計算得知

12

0 12 2

rW λ ε minus+⎛ ⎞= ⎜ ⎟⎝ ⎠

(2-2)

而在天線輻射端的兩個槽因為邊緣效應的影響等效天線長度跟實際上的長度

會有2 LΔ 的差距由式(2-3)可以得到 LΔ

5

( )

( )

03 02640412

0258 08

reff

reff

WhL h

Wh

ε

ε

⎛ ⎞+ +⎜ ⎟⎝ ⎠Δ =⎛ ⎞minus +⎜ ⎟⎝ ⎠

(2-3)

得知 LΔ 後貼片天線的實際長度 2effL L L= minus Δ 其中 2eff gL λ= 微帶貼片天線

邊緣輸入阻抗一般介於 100~400 歐姆之間計算其輸入阻抗時可將天線的兩個

輻射槽各代表一並聯的導納 Y如圖 2-2 所示

圖 2-2微帶天線等效傳輸線電路圖

其中 G1 及 B1 的大小由天線的寬度 W 決定式(2-4)及式(2-5)為 W 與 G1 及 B1 的

關係式[9]由於在此討論的天線為矩形貼片天線天線兩邊的寬度會相同故

G2 及 B2 的大小分別與 G1 及 B1 相同而 Yc則為長度約為 2gλ 傳輸線的特性導

( )21 0

0 0

1 h1 01120 24

WG k hλ λ

⎡ ⎤= minus lt⎢ ⎥⎣ ⎦ (2-4)

01

0reff

k LBZ

εΔ= (2-5)

00

reff

hZW

ηε

= (2-6)

B1 G1 G2 B2

YC

6

求得導納之後由圖 2-2 等效傳輸線電路圖可得輸入阻抗 1in inR Y= 1 2inY Y Y= +

1Y 為槽一(slot1)的導納( 1 1 1Y G jB= + ) 2Y 為槽二(slot2)的導納( 2 2 2Y G jB= + )因

為共振長度為 2gλ 所以兩個輻射槽的電納相差 180∘( 1 2B B= minus )因此輸入導

納為 12G輸入阻抗則為 1 2R 天線的邊緣輸入阻抗求得之後我們可以利用 4λ

轉換線饋入與 50Ω接頭匹配方便饋入線(feeding line)的設計

212 陣列理論

設計天線陣列時其天線陣列的排列結構各元素間的距離各元素激發的

振幅與相位及單一元素的場型都會影響陣列的場型分佈[1]圖 2-3 為一點波源

等間距之線性陣列

圖 2-3點波源等間距之線性陣列

若元素間激發電流相位差為α一等能量饋入的天線陣列之陣列因子如式

(2-7)所示

1

00

AF cosN

jn

nA e dψ ψ β θ α

minus

=

= = +sum (2-7)

其中d為天線陣列元素的間距β 為波數θ為偏離Z軸之角度α 為元素間的相

位差

7

經過推導忽略其相位因子正歸化的陣列因子為

( ) ( )( )

sin 21sin 2

Nf

ψψ

⎡ ⎤= ⎢ ⎥

⎣ ⎦ (28)

在ψ =0時有最大值主波束的方向為

1cosdαθβ

minus ⎛ ⎞minus= ⎜ ⎟

⎝ ⎠ (29)

藉由陣列因子我們將可以預估理想狀況下天線陣列的輻射場型由於本論文天線

陣列由3times3陣列矩陣所組成且微帶天線場型是分佈在天線的垂射(broadside)方

向故在設計天線陣列的饋入網路時每個元素間所得到的能量應為等大小同

相位圖2-4及圖2-5分別為3times3天線陣列E-plane及H-plane在相同大小及相位時

所計算的陣列因子我們可以藉由適當間距的陣列因子與微帶天線的場型乘積

獲得理想上的天線陣列輻射場型分佈

8

圖 2-4在不同間距時E-plane 的陣列因子

圖 2-5在不同間距時H-plane 的陣列因子

9

22 天線結構

221 單一微帶貼片天線設計

由於微帶貼片天線是一共振型天線傳統上其頻寬較窄所以我們可以藉由

改變天線的形狀增加天線的共振路徑或者改變天線的結構以提高頻寬及增

設計微帶貼片天線時基板(substrate)影響天線效能較大的有三個參數介

質損耗(正比於 tanδ )介電常數( rε )以及厚度( h )其中介質損耗越小越好如

此可以提高天線效率及增益但相對的成本也較高而介電常數也是越小越好

如此可以增加頻寬提高天線的指向性及增益相對的天線的尺寸也越大厚度

則是越大越好如此可以提高天線效率及增益有效增加頻寬但厚度太大則容

易產生表面波使得部分能量被束缚在基板中無法輻射出去

基於上述基板對天線效能的影響以及本論文對頻寬及增益的要求我們採

用 FR4( 44rε = )玻璃纖維基板並且採用厚空氣介質如此可以有效降低等效介

電常數值及提高厚度藉以達到寬頻及高增益的特性如圖 2-6 所示

圖 2-6懸浮微帶線結構(Suspended microstrip line configuration)

10

如圖 2-6 加上 air gap 高度之後其等效介電常數會有所改變其可由式(2-10)

得到一近似值[10]

( )( )

rreff

r

h H hh H hε

εε+ minus⎡ ⎤⎣ ⎦=

+ minus (2-10)

另外懸浮微帶線的特性阻抗(假設 t=0)則由式(2-11)得到較精確的值以便設計

饋入網路[11]

2

0 10

2ln 12 re

FZu u

ηπ ε

⎡ ⎤⎛ ⎞⎢ ⎥= + + ⎜ ⎟⎢ ⎥⎝ ⎠⎣ ⎦ (2-11)

其中

( ) ( )07528306661 6 2 6 uF eπ minus= + minus (2-11a)

( )0 120η π= Ω Wuh

= (2-11b)

1

11 ln 1rer

h Wa bH h H h

εε

minus⎡ ⎤⎛ ⎞⎛ ⎞= + minus minus⎢ ⎥⎜ ⎟⎜ ⎟⎜ ⎟minus minus⎝ ⎠⎢ ⎥⎝ ⎠⎣ ⎦

(2-12)

其中

4

08621 0125ln haH h

⎡ ⎤⎛ ⎞= minus ⎜ ⎟⎢ ⎥minus⎝ ⎠⎣ ⎦ (2-12a)

4

04986 01397 ln hbH h

⎡ ⎤⎛ ⎞= minus ⎜ ⎟⎢ ⎥minus⎝ ⎠⎣ ⎦ (2-12b)

11

利用前面提到的矩形微帶天線基本理論將天線的寬度及長度求出把饋入網

路與天線元素在同一平面做一結合設計參數如表 2-1

Dielectric constant 44

Substrate thickness 08mm

Loss tangent 002

Air gap 5mm

Single patch size 416mm(W) x 335mm(L)

Feeding line width 0901mm

Feeding line length 1996mm

表 2-1矩形微帶天線設計參數

利用式(2-4)(2-5)及(2-6)求出天線邊緣的輸入阻抗再設計一四分之一波長

傳輸線饋入並以特性阻抗 Z0 的輸入埠進行模擬如圖 2-7 所示

圖 2-7矩形微帶貼片天線示意圖

Ground plane

65mm Patch antenna

W

L

Zt=9904Ω

Z0=50Ω

80mm

12

當天線共振時天線邊緣的輸入阻抗 inZ 可藉由 20in tZ Z Z= 計算得知接著

觀察中心頻率為 355GHz 的矩形微帶貼片天線其反射損耗與輻射場型圖 2-8

為反射損耗圖圖 2-9 為中心頻率 355GHz 模擬的輻射場型

圖 2-8矩形微帶貼片天線反射損耗

圖 2-9矩形微帶貼片天線在中心頻率 355GHz 模擬的輻射場型

Return Loss

13

222 高增益天線陣列設計

首先以微帶線並聯的饋入結構設計能量一分三的網路再利用傳輸線作阻

抗的匹配[13]最後再以其寬頻的特性饋入到天線陣列圖 2-10 為饋入網路示意

圖圖 2-11 及圖 2-12 分別為饋入網路之反射損耗(Return Loss)插入損耗

(Insertion Loss)以及各輸出埠相位圖

圖 2-10饋入網路示意圖

圖 2-11天線陣列饋入網路之反射損耗及插入損耗模擬圖

14

圖 2-12天線陣列饋入網路各輸出埠相位差

從圖 2-11 可以發現各輸出埠的能量在不同頻率的變化實線為埠一(port1)

的反射損耗其餘為埠二三及四的插入損耗在工作頻率的範圍輸出埠的能

量差值在 2dB 以內而每個輸出埠在工作頻率的相位差為 20deg以內

接著我們利用圖 2-10 的分歧器輸出埠接上天線三元天線陣列如圖 2-13

觀察其反射損耗(圖 2-14)與輻射場型(圖 2-15)

圖 2-13三元天線陣列

15

圖 2-14三元天線陣列反射損耗

圖 2-15三元天線陣列在中心頻率 355GHz 模擬的輻射場型

由圖 2-14圖 2-15 了解到反射損耗在工作頻段(34GHz~37GHz)滿足要求

觀察輻射場型發現增益已可達到 12dBi此時再利用一組能量一分三的分歧器

設計總天線陣列預計為三乘以三共九個元素的天線陣列設計參數如表 2-2

16

Dielectric constant(topbottom) 44 44

Substrate thickness(topbottom) 08mm 16mm

Loss tangent 002

Air gap 5mm

Upper substrate size 250mm x 200mm

Ground size 300mm x 250mm

表 2-2天線陣列設計參數

圖 2-16 為天線陣列結構圖由於饋入網路阻抗匹配與相位差對天線陣列影

響非常大所以設計其信號饋入端為 50Ω以符合實際上使用的 SMA 接頭使

饋入網路匹配

圖 2-16天線陣列結構俯視圖

17

圖 2-17 為天線陣列在(a)34GHz(b)355GHz(c)37GHz 的輻射場型從圖

中可看出模擬與量測的輻射場型相當接近增益也能達到要求

(a)34GHz

(b)355GHz

18

(c)37GHz

圖 2-17天線陣列輻射場型

天線結構確定之後對於其輻射場型的分布需求要符合 ETSI-TS2 的規範

表 2-3 為 ETSI-TS2 對輻射場型分布的要求以下針對輻射場型與 ETSI-mask 做

一比較如圖 2-18 所示從圖中發現除了 34GHz 些微超出標準之外其餘頻

段都能滿足輻射場型要求之後會將改善的部份再做比較

表 2-3ETSI-TS2 對輻射場型分布之要求

19

(a)34GHz

(b)355GHz

(c)37GHz

圖 2-18天線陣列輻射場型與 ETSI-mask 之比較

20

圖 2-19 為天線陣列模擬與量測的反射損耗其工作頻率與設計之天線相去

不遠均包含 34GHz~37GHz圖 2-20 為實際量測的增益對頻率的變化圖其

增益的全頻段都能大於 14dBi其中某些頻率點可看出 E-plane 與 H-plane 所量

測到的最大增益值並不相同這主要的原因在於由饋入網路輸出端在在不同頻率

會有些微的相位差所致使得天線的最大增益值會些微偏移一個角度不過基

本上的趨勢還是相近

圖 2-19天線陣列模擬與量測之反射損耗

21

圖 2-20天線陣列增益對頻率圖

頻率(GHz) 33 34 35 36 37 38

E-plane 增益

(dBi) 1457 1619 1702 1634 1568 1429

H-plane 增益

(dB) 1421 1582 1624 1607 1581 1434

表 2-4天線陣列增益對頻率表

22

(a)俯視圖

(b)側視圖

圖 2-21天線陣列實體圖(a)俯視圖(b)側視圖

23

第三章 電磁帶隙結構與應用

(Electromagnetic Band-Gap Structure and Its Applications )

31 單位晶胞設計與截止帶比較

在天線中通常在較高之基板厚度及較大之介電常數時容易產生表面波

干擾天線輻射為了阻止表面波的傳遞論文中設計了高阻抗表面也就是所謂

的電磁帶隙(EBG)結構能有效抑制表面波提升天線效能

在近幾年許多微波領域的研究文獻利用光子能隙(Photonic Band-Gap

PBG)的概念也就是在介電係數成週期性排列的三維介電材料中電磁波經介

電函數散射後某些波段的電磁波強度會因破壞性干涉而呈現衰減無法在系統

內傳遞而在頻譜上形成截止帶[7][8]應用這個觀念在平面式傳輸線上設計具

有週期性幾何結構的電路造成電磁波在某些頻段無法傳遞而達到濾波的效果

由於使用於微波頻段所以稱此種結構為電磁帶隙或電磁能隙(Electromagnetic

Band-Gap EBG)結構

一個 EBG 結構電路時為一個電路之接地面在沿著某方向或平面做週期性

幾何結構變化所構成的電路如圖 3-1

圖 3-1一維 EBG 結構電路圖

利用 EBG 電路的週期性幾何結構形成一個電磁波的截止帶實線一個具

有寬頻與良好效能的帶止濾波器(Bandstop Filter)本論文使用共平面緊密電磁

帶隙結構(Uniplanar Compact EBG)如圖 3-2取代傳統的完整或切割連結通道

CellCell Cell Cell Cell d d d d TL TL TL TL

24

的平面結構每個單位細胞間以細線做連結細線提供了主要的電感效應每個

單位細胞間以狹縫做為區隔細狹縫間之互容效應與單位細胞之平面電容提供

了主要電容效應利用並接的電感電容效應來達到一寬頻的截止帶

圖 3-2EBG 結構集總電路圖

為了得到我們需要的截止帶首先模擬一個理想傳輸線當對照組(圖 3-3)

使用了介電常數值為 44 的 FR4 電路板厚度為 16mm觀察其反射損耗與插入

損耗從圖 3-4 了解到傳輸線從 1GHz 到 15GHz 反射損耗皆在-20dB 以下插入

損耗-3dB 以上

圖 3-3微帶傳輸線

(a) 俯視圖

(b) 側視圖

25

圖 3-4微帶傳輸線之反射損耗與插入損耗

利用電磁帶隙週期性二維的重複結構如圖 3-5可以找到我們所需要的截止

帶從微帶線的插入損耗可以明顯得到所設計的截止帶頻段跟單位晶胞的大小

成正相關整體電路的等效電感與等效電容越大相對的頻帶也會往低頻跑

(a)正面俯視圖 (b)背面俯視圖

圖 3-5微帶線加上 EBG 結構正面與背面

26

改變單位晶胞大小與截止帶之比較分別從(圖 3-6)4mm2(圖 3-7)6mm2(圖

3-8)8mm2(圖 3-9)10mm2的晶胞大小可以控制截止帶落在哪些區域

(b)反射損耗

a b

g

gs

h

(a)單位晶胞大小

a = 4 mmb = 37 mm s = g = 03 mm h = 18 mm

a

27

圖 3-6微帶線加上 4mm2EBG 結構之晶胞大小與 S 參數比較

從圖 3-6 可以得知從 10GHz 到 12GHz 有一較深之截止帶14GHz 之後也有

截止頻帶只是實驗目標以低頻為主故只模擬到 15GHz繼續改變晶胞大小

來設計低頻截止帶

a b

g

gs

h

(a)單位晶胞大小

a = 6 mm b = 57 mm s = g = 03 mm h = 28 mm

a

(c)插入損耗

28

圖 3-7微帶線加上 6mm2EBG 結構之晶胞大小與 S 參數比較

讓 EBG 晶胞變大(6mm2)跟預期結果相符可以得到更低頻的截止帶低頻帶

從 7GHz 到 9GHz高頻帶 10GHz 之後仍然存在極深之截止帶

(b)S參數比較圖

a bg

gs

h

(a)單位晶胞大小

a = 8 mm b = 76 mm s = g = 04 mm h = 37 mm

a

29

圖 3-8微帶線加上 8mm2EBG 結構之晶胞大小與 S 參數比較

從圖 3-8 的結果得到更低頻的截止帶座落於 43GHz~58GHz 及

61GHz~7GHz 由 於 論 文 中 所 設 計 的 WiMAX 天 線 陣 列 工 作 頻 率 在

34GHz~37GHz故需再將晶胞大小改變讓系統能夠共振在更低頻處

(b)S參數比較圖

a bg

gs

h

(a)單位晶胞大小

a = 10 mm b = 93 mm s = g = 07 mm h = 42 mm

a

30

圖 3-9微帶線加上 10mm2EBG 結構之晶胞大小與 S 參數比較

將週期性電磁帶隙結構結合微帶線可以設計出需要的截止帶圖 3-9 主要

的截止帶在 325GHz~4GHz 及 465GHz~58GHz已經達到需求的頻帶範圍下

個目標將結合微帶天線做改善與比較

(b)S參數比較圖

31

32 電磁帶隙結構包圍方式之探討

321 有限接地面的探討

由於設計的微帶天線主要是在邊射(Broad-side)方向輻射所以需要選擇一個

適當的接地面大小讓輻射場型得到一個最佳值理論上來說無限大的接地面

可以得到最平滑(Smooth)的輻射場型只在單邊輻射不會受到地面干擾實際

上在有限的空間必須選擇一個適當大小的接地面以符合成本與面積要求

而有限的接地面卻容易造成邊緣效應干擾[12]表面波在接地面邊緣產生繞射場

(Diffracted fields)形成新的波源以陣列因子的觀點來看多了新的波源會造

成輻射場型加乘上的消長如圖 3-10微帶貼片天線主要是以前後兩側差半波

長之邊輻射而有限接地面則會在邊緣產生感應磁流(Induced equivalent

magnetic current)如圖 3-11從電場的指向可以推得磁流的方向對照輻射

場型容易在邊射方向造成波紋(Ripple)

圖 3-10有限接地面產生之輻射場型比較圖

L

32

圖 3-11介質中電場指向之強弱分布與感應磁流方向

由於接地面的大小在 E-plane 會產生波紋來干擾輻射場型所以論文中以

EBG 週期性結構來做為一個完美磁導體(Perfect Magnetic ConductorPMC)也

就是人工 PMC(Artificial PMC)抑制邊緣電場的垂直入射減弱感應磁流的效

應以改善天線輻射場型

322 天線周圍包覆 PMC

傳統上 EBG 以圍滿的方式來改善微帶天線之增益與輻射[13]並透過晶胞

數的不斷增加來提高增益及改善輻射場型但晶胞數的增加將提高成本加大

EBG 面積及天線整體體積高達一定數量時反而會降低天線性能對於微帶貼

片天線而言EBG 在接地面太靠近天線輻射邊反而影響其輻射機制造成頻率

飄移因此論文中將探討 EBG 的包圍方式對天線性能之影響以有最佳效果

已知高阻抗表面可以阻擋介質中表面波的傳遞因此先透過理想 PMC 來代

替所設計之高阻抗表面 EBG 結構以分析其特性找出提升天性能的最佳包圍

33

方式

首先把天線周圍包覆 PMC 如圖 3-12以逼近的方式慢慢擴大 PMC 的面積

一圈 PMC 的寬度與設計的晶胞大小邊長一樣從輻射場型來看使用到第二圈

時可以得到最佳的輻射效能如圖 3-13PMC 包圍有其最佳範圍取得有效的包

圍方式可以讓天線輻射最佳化

圖 3-12天線周圍包覆 PMC

34

圖 3-13天線周圍包覆 PMC 之輻射場型比較

參考天線 一圈 PMC 二圈 PMC 三圈 PMC

0 度增益 357dBi 432dBi 545dBi 478dBi

增益改善 075dB 188dB 121dB

表 3-1天線周圍包覆 PMC 之增益改善比較

35

323 輻射邊兩側包覆 PMC

由於微帶天線之表面波傳遞方向以 xz 切面為主如圖 3-14因此在微帶天線

輻射邊的兩側擺放 EBG 結構以抑制其傳遞有效改善天線輻射場型首先使

用理想的 PMC 在天線輻射邊兩側包覆如圖 3-15對於 PMC 覆蓋面積的大小作一

探討變化 PMC 之覆蓋面積了解其對天線輻射場型的影響在邊射(broadside)

方向的輻射場型可以有效改善波紋讓旁波瓣(sidelobe)大幅度降低如圖 3-16

所示以兩列 PMC 可以達到較佳效果再增加一列 PMC 雖些許增加增益不

過 PMC 覆蓋的面積已達飽和因此從上述可知在結合 EBG 和微帶天線時

將有一最佳之覆蓋面積使用最適當之晶胞數來達到最佳的增益改善

圖 3-14表面波在介質空間中分布

36

圖 3-15輻射邊兩側包覆 PMC

圖 3-16輻射邊兩側包覆 PMC 之輻射場型比較

37

參考天線 一列 PMC 二列 PMC 三列 PMC

0 度增益 357dBi 528dBi 642dBi 644dBi

增益改善 171dB 285dB 287dB

表 3-2輻射邊兩側包覆 PMC 之增益改善比較

33 電磁帶隙結構結合單一微帶天線

以下將結合所設計之 EBG 結構和微帶天線以改善微帶天線之輻射場型干

擾從前述的探討先以圍繞式包圍天線做輻射場型比較如圖 3-17 所示

圖 3-17天線周圍包覆 EBG 之輻射場型比較

38

0 度增益

Ref patch antenna 357dBi

圍繞 EBG 572dBi

ΔGain 215dB

表 3-3天線周圍包覆 EBG 之增益改善比較

由於表面波之傳遞主要為 X 軸方向因此以 EBG 之較寬頻的維度來抑制 X

方向的表面波其結合方式如下以兩列 EBG 結構與天線結合比較如圖 3-18

圖 3-18輻射邊兩側包覆 EBG 之輻射場型比較

39

0 度增益

Ref patch antenna 357dBi

輻射邊包覆 EBG 577dBi

ΔGain 22dB

表 3-4輻射邊兩側包覆 EBG 之增益改善比較

兩種包覆 EBG 的情形做比較使用輻射邊兩側包覆 EBG 對表面波抑制可以

達到最直接的效果再對接地面做變化令輻射邊到接地面邊緣距離等於 15 倍

空氣中波長邊緣的等效感應磁流干擾最大在垂射(broadside)方向造成 30 度到

60 度的旁波瓣將晶胞數加到三列使得輻射場型能有最佳效果如圖 3-19 所示

圖 3-19較大接地面應用更多晶胞數改善輻射場型圖

40

34 電磁帶隙結構結合微帶天線陣列

第二章敘述之高增益天線陣列由於在 E-plane 產生較大之旁波瓣因此論

文將結合 EBG 結構與天線陣列改善輻射場型以符合 ETSI-TS2 規範要求

對原本的天線陣列與改善後的天線陣列作一比較如圖 3-20 為天線結構示意圖

俯視圖 yz 切面為表面波影響較大的面因此我們在 E-plane 兩側包覆 EBG使

用三列的 EBG 週期結構另外圖 3-21 為(a)34GHz(b)355GHz(c)37GHz

輻射場型在 E-plane 的改善比較可以發現在(a)跟(b)改善的效果特別明顯旁波

瓣減弱許多而(c)原本旁波瓣就不大所以改善較不明顯再跟 ETSI-mask 做

比較如圖 3-22改善後的天線陣列距離輻射場型標準線有較大之安全距離對實

作上的誤差影響會比較小以下針對輻射場型做一比較

圖 3-20原始天線陣列與應用 EBG 之天線陣列

41

(a)34GHz E-plane 輻射場型比較

(b)355GHz E-plane 輻射場型比較

(c)37GHz E-plane 輻射場型比較

圖 3-21原始天線陣列與應用 EBG 之天線陣列輻射場型比較

(a)34GHz (b)355GHz (c)37GHz

42

(a)34GHz E-plane

(b)355GHz E-plane

(a)37GHz E-plane

圖 3-22原始天線陣列與應用 EBG 之天線陣列與 ETSI-mask 比較

(a)34GHz (b)355GHz (c)37GHz

43

35 模擬與量測結果比較

由上述模擬的結果進行實作及量測的工作如圖 3-23 為微帶天線結合 EBG

結構的架構表 3-5 列出了板材的規格使用的基板是 FR4 玻璃纖維基板並架高

空氣高度為 5mm

Dielectric constant(topbottom) 44 44

Substrate thickness(topbottom) 08mm 16mm

Loss tangent 002

Air gap 5mm

Upper substrate size 250mm x 200mm

Ground size 300mm x 250mm

表 3-5天線陣列設計參數

圖 3-23應用 EBG 之天線陣列結構圖

44

圖 3-24 為天線陣列在 34GHz355GHz37GHz 的輻射場型從圖中可以

觀察模擬與量測場型蠻相近的

(a)34GHz

(b)355GHz

45

(c)37GHz

圖 3-24天線陣列輻射場型模擬與量測比較

對於其輻射場型的分布需求要符合 ETSI-TS2 的規範以下針對輻射場型與

ETSI-mask 做一比較如圖 3-25 所示從圖中發現實作及量測輻射場型全部

工作頻段都能滿足 mask 要求完成一組高增益天線陣列

(a)34GHz

46

(b)355GHz

(c)37GHz

圖 3-25天線陣列輻射場型與 ETSI-mask 比較

圖 3-26 為天線陣列模擬與量測的反射損耗其工作頻率與設計之天線相去

不遠均包含 34GHz~37GHz頻寬設計較大的原因在於避免外在因素造成的頻

飄量測出來可達 33GHz~39GHz略往高頻飄不過與設計的反射損耗相當接

近圖 3-27 為實際量測的增益對頻率的變化圖其增益的全頻段都能大於

14dBiE-plane 與 H-plane 也較為接近整理數據如表 3-6

47

圖 3-26天線陣列反射損耗模擬與量測比較

圖 3-27天線陣列增益對頻率圖

48

頻率(GHz) 33 34 35 36 37 38

E-plane 增益

(dBi) 1485 1591 1620 1687 1627 1507

H-plane 增益

(dBi) 1421 1565 1598 1629 1607 1518

表 3-6天線陣列增益對頻率表

49

圖 3-28 為實體圖俯視圖側視圖與 EBG 實際大小比較

(a) 俯視圖

(b) 側視圖(空氣高度=05mm)

(c)EBG 實體結構

圖 3-28天線陣列實體圖

50

第四章 結論

(Conclusion)

本論文主要是研究適用於基地台的 WiMAX 頻段高增益天線陣列並控制其

頻寬增益及輻射場型能夠符合 ETSI(European Telecommunication Standards

Institute)的規範在論文第二章中提出的高增益天線陣列是利用一個能量分歧

器把能量等效分成三份的饋入網路接上三組一樣的三元素陣列矩形微帶天線所

組成的天線陣列最高增益可達到 17dBi工作頻率的增益都能超過要求的

14dBi輻射場型符合 ETSI-TS2 規範另外本論文所提出的天線陣列為印刷式

天線不但具有輕量化的特性且大幅降低製作上的困難度也減輕了成本的負擔

透過本論文所設計之 EBG 可有效降低傳統 EBG 結構的製程僅以 FR4 板

材即可自行實作比較無須鉚釘並提出有效提升微帶天線增益的包圍方式在

有限的接地面下可選擇適當的晶胞數來改善天線陣列的輻射場型抑制表面波

對天線的干擾讓邊際效應產生的感應磁流干擾降到最低最後在實作及量測部

分驗證我們模擬的結果

51

參考文獻

[1] W L Stutzman and G A Thiele Antenna Theory and Design 2nd ed New York

Wiley 1998

[2] A Balanis Antenna Theory Analysis and Design New York Wiley 1997

[3] R Gardelli G La Cono and M Albani ldquoA low-cost suspended patch antenna for

WLAN access points and point-to-point linksrdquo IEEE Antennas and Propagat vol

3 no 1 pp 90-93 2004

[4] H F Pues and A R Van de capelle ldquoAn impedance-matching technique for

increasing the bandwidth of microstrip antennasrdquo IEEE Trans on Antennas and

Propagat vol 37 no 11 pp 1345-1354 Nov 1989

[5] Q Song and XndashX Zhang ldquoA study on wideband gap-coupled microstrip antenna

arraysrdquo IEEE Trans On Antennas and Propagat vol 43 no 3 pp 313-317 Mar

1995

[6] D Sievenpiper L Z Romulo F J Broas N G Alexopolous and E Yablonovitch

ldquoHigh-impedance electromagnetic surfaces with a forbidden frequency bandrdquo

IEEE Trans Microwave Theory Tech vol 47 no 11 pp 311-335 Nov 1999

[7] F-R Yang K-P Ma Y Qian and T Itoh ldquo A Uniplanar Compact

Photonic-Bandgap (UC-PBG) Structure and Its Applications for Microwave

Circuitsrdquo IEEE Trans MTT vol 47 Aug 1999

[8] M F Abedin M Z Azad and M Ali ldquo wideband smaller unit-cell planar EBG

structures and their applicationrdquo IEEE Trans On Antenna and Propagat vol 56

no 3 pp 903-908 Mar 2008

[9] I J Bahl and P Bhartia Microstrip Antennas Artech House 1980

[10] JR James and P S Hall Handbook of Microstrip Antennas LondonPeter

Peregrinus Ltd 1989

52

[11] K C Gupta R Garg I J Bahl P Bhartia Microstrip Lines and Slotlines 2nd ed

Norwood MAArtech House 1996

[12] T Namiki Y Murayama and K Ito ldquo Improving radiation-pattern distortion of a

patch antenna having a finite ground planerdquo IEEE Trans On Antenna and

Propagat vol 51 no 3 pp 478-482 Mar 2003

[13] R Coccioli F-R Yang K-P Ma and T Itoh ldquo Aperture-coupled patch antenna

on UC-PBG substraterdquo IEEE Trans Microwave Theory Tech vol 47 no 11 pp

2123-2130 Nov 1999

[14] F Yang and Y Rahmat-samii ldquo Microstrip antenna integrated with

electromagnetic band-gap (EBG) structure a low mutual coupling design for array

applicationrdquo IEEE Trans On Antenna and Propagat vol 51 no 10 pp

2936-2946 Oct2003

[15] Z Iluz R Shavit and R Bauer ldquo Microstrip antenna phased array with

electromagnetic bandgap substraterdquo IEEE Trans On Antenna and Propagat vol

52 no 6 pp 1446-1453 June 2004

  • 封面pdf
  • 摘要與目錄pdf
  • 論文_終稿_pdf
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false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP ltFEFF005500740069006c0069006300650020006500730074006100200063006f006e0066006900670075007200610063006900f3006e0020007000610072006100200063007200650061007200200064006f00630075006d0065006e0074006f0073002000640065002000410064006f0062006500200050004400460020007000610072006100200063006f006e00730065006700750069007200200069006d0070007200650073006900f3006e002000640065002000630061006c006900640061006400200065006e00200069006d0070007200650073006f0072006100730020006400650020006500730063007200690074006f00720069006f00200079002000680065007200720061006d00690065006e00740061007300200064006500200063006f00720072006500630063006900f3006e002e002000530065002000700075006500640065006e00200061006200720069007200200064006f00630075006d0065006e0074006f00730020005000440046002000630072006500610064006f007300200063006f006e0020004100630072006f006200610074002c002000410064006f00620065002000520065006100640065007200200035002e003000200079002000760065007200730069006f006e0065007300200070006f00730074006500720069006f007200650073002egt FRA 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB ltFEFF005500740069006c0069007a006500200065007300730061007300200063006f006e00660069006700750072006100e700f50065007300200064006500200066006f0072006d00610020006100200063007200690061007200200064006f00630075006d0065006e0074006f0073002000410064006f0062006500200050004400460020007000610072006100200069006d0070007200650073007300f5006500730020006400650020007100750061006c0069006400610064006500200065006d00200069006d00700072006500730073006f0072006100730020006400650073006b0074006f00700020006500200064006900730070006f00730069007400690076006f0073002000640065002000700072006f00760061002e0020004f007300200064006f00630075006d0065006e0074006f00730020005000440046002000630072006900610064006f007300200070006f00640065006d0020007300650072002000610062006500720074006f007300200063006f006d0020006f0020004100630072006f006200610074002000650020006f002000410064006f00620065002000520065006100640065007200200035002e0030002000650020007600650072007300f50065007300200070006f00730074006500720069006f007200650073002egt SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP 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 FRA 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 ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR ltFEFF004200720075006b00200064006900730073006500200069006e006e007300740069006c006c0069006e00670065006e0065002000740069006c002000e50020006f0070007000720065007400740065002000410064006f006200650020005000440046002d0064006f006b0075006d0065006e00740065007200200066006f00720020007500740073006b00720069006600740020006100760020006800f800790020006b00760061006c00690074006500740020007000e500200062006f007200640073006b0072006900760065007200200065006c006c00650072002000700072006f006f006600650072002e0020005000440046002d0064006f006b0075006d0065006e00740065006e00650020006b0061006e002000e50070006e00650073002000690020004100630072006f00620061007400200065006c006c00650072002000410064006f00620065002000520065006100640065007200200035002e003000200065006c006c00650072002000730065006e006500720065002egt PTB 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 SUO ltFEFF004b00e40079007400e40020006e00e40069007400e4002000610073006500740075006b007300690061002c0020006b0075006e0020006c0075006f0074002000410064006f0062006500200050004400460020002d0064006f006b0075006d0065006e007400740065006a00610020006c0061006100640075006b006100730074006100200074007900f6007000f60079007400e400740075006c006f0073007400750073007400610020006a00610020007600650064006f007300740075007300740061002000760061007200740065006e002e00200020004c0075006f0064007500740020005000440046002d0064006f006b0075006d0065006e00740069007400200076006f0069006400610061006e0020006100760061007400610020004100630072006f0062006100740069006c006c00610020006a0061002000410064006f00620065002000520065006100640065007200200035002e0030003a006c006c00610020006a006100200075007500640065006d006d0069006c006c0061002egt SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP 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 FRA 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 ITA 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 JPN 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 KOR 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v

圖 錄

圖 2-1微帶貼片天線示意圖 3

圖 2-2微帶天線等效傳輸線電路圖 5

圖 2-3點波源等間距之線性陣列 6

圖 2-4在不同間距時E-plane 的陣列因子8

圖 2-5在不同間距時H-plane 的陣列因子 8

圖 2-6懸浮微帶線結構(Suspended microstrip line configuration) 9

圖 2-7矩形微帶貼片天線示意圖 11

圖 2-8矩形微帶貼片天線反射損耗 12

圖 2-9矩形微帶貼片天線在中心頻率 355GHz 模擬的輻射場型12

圖 2-10饋入網路示意圖 13

圖 2-11天線陣列饋入網路之反射損耗及插入損耗模擬圖 13

圖 2-12天線陣列饋入網路各輸出埠相位差 14

圖 2-13三元天線陣列 14

圖 2-14三元天線陣列反射損耗 15

圖 2-15三元天線陣列在中心頻率 355GHz 模擬的輻射場型15

圖 2-16天線陣列結構俯視圖 16

圖 2-17天線陣列輻射場型 17

(a)34GHz17

(b)355GHz 17

(c)37GHz18

圖 2-18天線陣列輻射場型與 ETSI-mask 之比較 19

(a)34GHz19

(b)355GHz 19

(c)37GHz19

圖 2-19天線陣列模擬與量測之反射損耗 20

vi

圖 2-20天線陣列增益對頻率圖 21

圖 2-21天線陣列實體圖 22

(a)俯視圖 22

(b)側視圖 22

圖 3-1一維 EBG 結構電路圖 23

圖 3-2EBG 結構集總電路圖 24

圖 3-3微帶傳輸線 24

(a)俯視圖 24

(b)側視圖 24

圖 3-4微帶傳輸線之反射損耗與插入損耗 25

圖 3-5微帶線加上 EBG 結構正面與背面 25

(a)正面俯視圖 25

(b)背面俯視圖 25

圖 3-6微帶線加上 4mm2EBG 結構之晶胞大小與 S 參數比較 26

(a)單位晶胞大小 26

(b)反射損耗 26

(c)插入損耗 27

圖 3-7微帶線加上 6mm2EBG 結構之晶胞大小與 S 參數比較 27

(a)單位晶胞大小 27

(b)S 參數比較圖28

圖 3-8微帶線加上 8mm2EBG 結構之晶胞大小與 S 參數比較 28

(a)單位晶胞大小 28

(b)S 參數比較圖29

圖 3-9微帶線加上 10mm2EBG 結構之晶胞大小與 S 參數比較 29

(a)單位晶胞大小 29

(b)S 參數比較圖30

vii

圖 3-10有限接地面產生之輻射場型比較圖 31

圖 3-11介質中電場指向之強弱分布與感應磁流方向 32

圖 3-12天線周圍包覆 PMC33

圖 3-13天線周圍包覆 PMC 之輻射場型比較34

圖 3-14表面波在介質空間中分佈 35

圖 3-15輻射邊兩側包覆 PMC36

圖 3-16輻射邊兩側包覆 PMC 之輻射場型比較36

圖 3-17天線周圍包覆 EBG 之輻射場型比較 37

圖 3-18輻射邊兩側包覆 EBG 之輻射場型比較 38

圖 3-19較大接地面應用更多晶胞數改善輻射場型圖 39

圖 3-20原始天線陣列與應用 EBG 之天線陣列 40

圖 3-21原始天線陣列與應用 EBG 之天線陣列輻射場型比較 41

(a)34GHz41

(b)355GHz 41

(c)37GHz41

圖 3-22原始天線陣列與應用 EBG 之天線陣列與 ETSI-mask 比較 42

(a)34GHz42

(b)355GHz 42

(c)37GHz42

圖 3-23應用 EBG 之天線陣列結構圖 43

圖 3-24天線陣列輻射場型模擬與量測比較 44

(a)34GHz44

(b)355GHz 44

(c)37GHz45

圖 3-25天線陣列輻射場型與 ETSI-mask 比較 45

(a)34GHz45

viii

(b)355GHz 46

(c)37GHz46

圖 3-26天線陣列反射損耗模擬與量測比較 47

圖 3-27天線陣列增益對頻率圖 47

圖 3-28天線陣列實體圖 49

(a)俯視圖 49

(b)側視圖(空氣高度=05mm)49

(c)EBG 實體結構 49

ix

表 錄

表 2-1矩形微帶天線設計參數 11

表 2-2天線陣列設計參數 16

表 2-3ETSI-TS2 對輻射場型分布之要求18

表 2-4天線陣列增益對頻率表 21

表 3-1天線周圍包覆 PMC 之增益改善比較34

表 3-2輻射邊兩側包覆 PMC 之增益改善比較37

表 3-3天線周圍包覆 EBG 之增益改善比較 38

表 3-4輻射邊兩側包覆 EBG 之增益改善比較 39

表 3-5天線陣列設計參數 43

表 3-6天線陣列增益對頻率圖 48

1

第一章 導論

(Introduction)

11 工程背景與動機

近年來電信多媒體應用快速的成長及網路使用的普及化使用者需要的不

只是能夠在任何時間地點使用電信資訊服務且更需要增加使用頻寬及具有高傳

輸速率的無線通訊WiMAX(Worldwide Interoperability for Microwave Access)也

就是全球微波存取互通介面是一個逐漸發展的點對點或點對多點無線通訊網路

標準其不但可以提供使用者足夠的頻寬也能夠讓通訊服務業者不須要在地廣

人稀的地方佈線建立寬頻基礎建設而增加其營運成本因此許多開發中國家

及鄉村地區能透過建設 WiMAX 通訊系統以無線遠距寬頻的方式取代實體

寬頻佈線加速寬頻到家普及率

隨著無線通訊的興起天線所扮演的角色也日趨重要為了使資料的無線傳

輸達到寬頻要求天線的製作上就需要有一定的規範現行 WiMAX 覆蓋的頻段

有 253555 GHz(2500-26903400-36905250-5850 MHz)在每個國家各有不同

規定應用其中美規訂於 25GHz-269GHz而歐規訂於 34GHz-369GHz本論

文的天線陣列中心頻率設計於 355GHz為了符合 WiMAX 寬頻資料傳輸及涵蓋

範圍最大達 31 英哩的特性天線陣列的設計必須具有高增益及寬頻的特性因

此本論文的天線陣列以滿足歐洲電信標準局 (European Telecommunication

Standards Institute ETSI)規範為要求天線增益在全頻段須大於 14dBi而天線場

型符合 ETSI-TS2 mask

傳統上製作高增益天線以反射型天線[1]及透射型天線[2]為主為了減少

製作成本縮小體積我們使用了微帶天線陣列微帶天線的基本觀念早在 1950

年代就已經被提出微帶天線已應用於各方面需求針對微帶天線的寬頻設計方

2

式有利用厚空氣介質[3]饋入匹配電路[4]及使用間隙耦合貼片[5]來增加天線頻

寬另外由於有限接地面的限制會產生表面波在板材邊緣造成繞射現象使

天線的增益降低及輻射場型的扭曲為了抑制表面波的傳播我們使用電磁帶隙

(Electromagnetic Band-gap EBG)週期性結構讓某頻率範圍內禁止電磁波傳遞

這範圍也就是所謂的頻帶隙(Band-gap)由於 EBG 結構在頻帶隙產生了高阻抗表

面所以可以有效抑制表面波並提升天線性能

一般蘑菇型(mushroom)EBG 結構[6]雖易於抑制表面波的傳遞但其缺點為

製作不易因為它需要透過鉚釘(via)來達成以致增加許多成本因此在論文中

設計了無鉚釘的 EBG 結構以增加其實用性並且利用 EBG 排列包圍方式來結

合微帶天線改善輻射場型的扭曲[7]最後將結合 EBG 結構的高增益微帶天

線陣列進行實做及量測與模擬做統整與比較

12 章節介紹

本論文第二章介紹微帶貼片天線和陣列的基本原理及論文中所設計的天線

陣列結構第三章主要介紹電磁帶隙結構並對天線做一結合比較內容包括

電磁帶隙設計並使用於單一微帶天線及天線陣列最後模擬分析與量測比較

第四章為本文總結討論

3

第二章 基本理論與天線結構

(Basic Theory and Antenna Structure)

21 微帶貼片天線和陣列理論

211 微帶貼片天線理論

微帶貼片天線(Microstrip Patch Antenna)具有結構簡單製作方便高度實

用而且可以很容易地經由長度及寬度的控制來做效能微調等特性本論文中所

製作的高增益天線以縮小面積降低天線的剖面降低成本易於製作為主利

用微帶貼片天線的特色製作陣列以達到我們需要的高增益天線本論文中所設

計的天線陣列以矩形微帶貼片天線為主

矩形微帶貼片天線其結構包含了接地金屬面介電質基板還有饋入電路與

輻射金屬片如圖 2-1 所示

圖 2-1微帶貼片天線示意圖

4

其可以視為兩個相隔長度 L 的輻射槽(Radiating slot)每個槽的寬度相當於

基板的厚度 h長度則相當於貼片天線的 W理論上這兩個槽應該相距 λg2其

中 λg 為在介質中的波長在貼片天線中有兩個重要的參數等效介電常數

( effective dielectric constant )及等效貼片長度( effective length )由於貼片天線的

長和寬有限所以在天線邊緣附近的會有漏電場的現象此稱邊緣效應(edge

effect)而漏電場和貼片天線的寬度以及基板的介電常數厚度有關如果天線

的 L h 值遠大於 1則漏電場的現象不會太嚴重由於當考慮到邊緣效應貼片

天線上的電場在邊緣輻射時會同時經過介電材料及空氣所以等效介電常數便不

是原本板材的介電值藉由式(2-1)我們可以得到一等效介電常數 reffε 等效介電

常數的範圍通常為1 reff rε εlt lt

121 1 1 12 1

2 2r r

reffh W

W hε εε

minus+ minus ⎡ ⎤= + + lt⎢ ⎥⎣ ⎦ (2-1)

等效介電常數對於天線的 W 跟 L 有很大的影響貼片天線的寬度 W 是影響

天線輻射效率的最大因素其可由式(2-2)計算得知

12

0 12 2

rW λ ε minus+⎛ ⎞= ⎜ ⎟⎝ ⎠

(2-2)

而在天線輻射端的兩個槽因為邊緣效應的影響等效天線長度跟實際上的長度

會有2 LΔ 的差距由式(2-3)可以得到 LΔ

5

( )

( )

03 02640412

0258 08

reff

reff

WhL h

Wh

ε

ε

⎛ ⎞+ +⎜ ⎟⎝ ⎠Δ =⎛ ⎞minus +⎜ ⎟⎝ ⎠

(2-3)

得知 LΔ 後貼片天線的實際長度 2effL L L= minus Δ 其中 2eff gL λ= 微帶貼片天線

邊緣輸入阻抗一般介於 100~400 歐姆之間計算其輸入阻抗時可將天線的兩個

輻射槽各代表一並聯的導納 Y如圖 2-2 所示

圖 2-2微帶天線等效傳輸線電路圖

其中 G1 及 B1 的大小由天線的寬度 W 決定式(2-4)及式(2-5)為 W 與 G1 及 B1 的

關係式[9]由於在此討論的天線為矩形貼片天線天線兩邊的寬度會相同故

G2 及 B2 的大小分別與 G1 及 B1 相同而 Yc則為長度約為 2gλ 傳輸線的特性導

( )21 0

0 0

1 h1 01120 24

WG k hλ λ

⎡ ⎤= minus lt⎢ ⎥⎣ ⎦ (2-4)

01

0reff

k LBZ

εΔ= (2-5)

00

reff

hZW

ηε

= (2-6)

B1 G1 G2 B2

YC

6

求得導納之後由圖 2-2 等效傳輸線電路圖可得輸入阻抗 1in inR Y= 1 2inY Y Y= +

1Y 為槽一(slot1)的導納( 1 1 1Y G jB= + ) 2Y 為槽二(slot2)的導納( 2 2 2Y G jB= + )因

為共振長度為 2gλ 所以兩個輻射槽的電納相差 180∘( 1 2B B= minus )因此輸入導

納為 12G輸入阻抗則為 1 2R 天線的邊緣輸入阻抗求得之後我們可以利用 4λ

轉換線饋入與 50Ω接頭匹配方便饋入線(feeding line)的設計

212 陣列理論

設計天線陣列時其天線陣列的排列結構各元素間的距離各元素激發的

振幅與相位及單一元素的場型都會影響陣列的場型分佈[1]圖 2-3 為一點波源

等間距之線性陣列

圖 2-3點波源等間距之線性陣列

若元素間激發電流相位差為α一等能量饋入的天線陣列之陣列因子如式

(2-7)所示

1

00

AF cosN

jn

nA e dψ ψ β θ α

minus

=

= = +sum (2-7)

其中d為天線陣列元素的間距β 為波數θ為偏離Z軸之角度α 為元素間的相

位差

7

經過推導忽略其相位因子正歸化的陣列因子為

( ) ( )( )

sin 21sin 2

Nf

ψψ

⎡ ⎤= ⎢ ⎥

⎣ ⎦ (28)

在ψ =0時有最大值主波束的方向為

1cosdαθβ

minus ⎛ ⎞minus= ⎜ ⎟

⎝ ⎠ (29)

藉由陣列因子我們將可以預估理想狀況下天線陣列的輻射場型由於本論文天線

陣列由3times3陣列矩陣所組成且微帶天線場型是分佈在天線的垂射(broadside)方

向故在設計天線陣列的饋入網路時每個元素間所得到的能量應為等大小同

相位圖2-4及圖2-5分別為3times3天線陣列E-plane及H-plane在相同大小及相位時

所計算的陣列因子我們可以藉由適當間距的陣列因子與微帶天線的場型乘積

獲得理想上的天線陣列輻射場型分佈

8

圖 2-4在不同間距時E-plane 的陣列因子

圖 2-5在不同間距時H-plane 的陣列因子

9

22 天線結構

221 單一微帶貼片天線設計

由於微帶貼片天線是一共振型天線傳統上其頻寬較窄所以我們可以藉由

改變天線的形狀增加天線的共振路徑或者改變天線的結構以提高頻寬及增

設計微帶貼片天線時基板(substrate)影響天線效能較大的有三個參數介

質損耗(正比於 tanδ )介電常數( rε )以及厚度( h )其中介質損耗越小越好如

此可以提高天線效率及增益但相對的成本也較高而介電常數也是越小越好

如此可以增加頻寬提高天線的指向性及增益相對的天線的尺寸也越大厚度

則是越大越好如此可以提高天線效率及增益有效增加頻寬但厚度太大則容

易產生表面波使得部分能量被束缚在基板中無法輻射出去

基於上述基板對天線效能的影響以及本論文對頻寬及增益的要求我們採

用 FR4( 44rε = )玻璃纖維基板並且採用厚空氣介質如此可以有效降低等效介

電常數值及提高厚度藉以達到寬頻及高增益的特性如圖 2-6 所示

圖 2-6懸浮微帶線結構(Suspended microstrip line configuration)

10

如圖 2-6 加上 air gap 高度之後其等效介電常數會有所改變其可由式(2-10)

得到一近似值[10]

( )( )

rreff

r

h H hh H hε

εε+ minus⎡ ⎤⎣ ⎦=

+ minus (2-10)

另外懸浮微帶線的特性阻抗(假設 t=0)則由式(2-11)得到較精確的值以便設計

饋入網路[11]

2

0 10

2ln 12 re

FZu u

ηπ ε

⎡ ⎤⎛ ⎞⎢ ⎥= + + ⎜ ⎟⎢ ⎥⎝ ⎠⎣ ⎦ (2-11)

其中

( ) ( )07528306661 6 2 6 uF eπ minus= + minus (2-11a)

( )0 120η π= Ω Wuh

= (2-11b)

1

11 ln 1rer

h Wa bH h H h

εε

minus⎡ ⎤⎛ ⎞⎛ ⎞= + minus minus⎢ ⎥⎜ ⎟⎜ ⎟⎜ ⎟minus minus⎝ ⎠⎢ ⎥⎝ ⎠⎣ ⎦

(2-12)

其中

4

08621 0125ln haH h

⎡ ⎤⎛ ⎞= minus ⎜ ⎟⎢ ⎥minus⎝ ⎠⎣ ⎦ (2-12a)

4

04986 01397 ln hbH h

⎡ ⎤⎛ ⎞= minus ⎜ ⎟⎢ ⎥minus⎝ ⎠⎣ ⎦ (2-12b)

11

利用前面提到的矩形微帶天線基本理論將天線的寬度及長度求出把饋入網

路與天線元素在同一平面做一結合設計參數如表 2-1

Dielectric constant 44

Substrate thickness 08mm

Loss tangent 002

Air gap 5mm

Single patch size 416mm(W) x 335mm(L)

Feeding line width 0901mm

Feeding line length 1996mm

表 2-1矩形微帶天線設計參數

利用式(2-4)(2-5)及(2-6)求出天線邊緣的輸入阻抗再設計一四分之一波長

傳輸線饋入並以特性阻抗 Z0 的輸入埠進行模擬如圖 2-7 所示

圖 2-7矩形微帶貼片天線示意圖

Ground plane

65mm Patch antenna

W

L

Zt=9904Ω

Z0=50Ω

80mm

12

當天線共振時天線邊緣的輸入阻抗 inZ 可藉由 20in tZ Z Z= 計算得知接著

觀察中心頻率為 355GHz 的矩形微帶貼片天線其反射損耗與輻射場型圖 2-8

為反射損耗圖圖 2-9 為中心頻率 355GHz 模擬的輻射場型

圖 2-8矩形微帶貼片天線反射損耗

圖 2-9矩形微帶貼片天線在中心頻率 355GHz 模擬的輻射場型

Return Loss

13

222 高增益天線陣列設計

首先以微帶線並聯的饋入結構設計能量一分三的網路再利用傳輸線作阻

抗的匹配[13]最後再以其寬頻的特性饋入到天線陣列圖 2-10 為饋入網路示意

圖圖 2-11 及圖 2-12 分別為饋入網路之反射損耗(Return Loss)插入損耗

(Insertion Loss)以及各輸出埠相位圖

圖 2-10饋入網路示意圖

圖 2-11天線陣列饋入網路之反射損耗及插入損耗模擬圖

14

圖 2-12天線陣列饋入網路各輸出埠相位差

從圖 2-11 可以發現各輸出埠的能量在不同頻率的變化實線為埠一(port1)

的反射損耗其餘為埠二三及四的插入損耗在工作頻率的範圍輸出埠的能

量差值在 2dB 以內而每個輸出埠在工作頻率的相位差為 20deg以內

接著我們利用圖 2-10 的分歧器輸出埠接上天線三元天線陣列如圖 2-13

觀察其反射損耗(圖 2-14)與輻射場型(圖 2-15)

圖 2-13三元天線陣列

15

圖 2-14三元天線陣列反射損耗

圖 2-15三元天線陣列在中心頻率 355GHz 模擬的輻射場型

由圖 2-14圖 2-15 了解到反射損耗在工作頻段(34GHz~37GHz)滿足要求

觀察輻射場型發現增益已可達到 12dBi此時再利用一組能量一分三的分歧器

設計總天線陣列預計為三乘以三共九個元素的天線陣列設計參數如表 2-2

16

Dielectric constant(topbottom) 44 44

Substrate thickness(topbottom) 08mm 16mm

Loss tangent 002

Air gap 5mm

Upper substrate size 250mm x 200mm

Ground size 300mm x 250mm

表 2-2天線陣列設計參數

圖 2-16 為天線陣列結構圖由於饋入網路阻抗匹配與相位差對天線陣列影

響非常大所以設計其信號饋入端為 50Ω以符合實際上使用的 SMA 接頭使

饋入網路匹配

圖 2-16天線陣列結構俯視圖

17

圖 2-17 為天線陣列在(a)34GHz(b)355GHz(c)37GHz 的輻射場型從圖

中可看出模擬與量測的輻射場型相當接近增益也能達到要求

(a)34GHz

(b)355GHz

18

(c)37GHz

圖 2-17天線陣列輻射場型

天線結構確定之後對於其輻射場型的分布需求要符合 ETSI-TS2 的規範

表 2-3 為 ETSI-TS2 對輻射場型分布的要求以下針對輻射場型與 ETSI-mask 做

一比較如圖 2-18 所示從圖中發現除了 34GHz 些微超出標準之外其餘頻

段都能滿足輻射場型要求之後會將改善的部份再做比較

表 2-3ETSI-TS2 對輻射場型分布之要求

19

(a)34GHz

(b)355GHz

(c)37GHz

圖 2-18天線陣列輻射場型與 ETSI-mask 之比較

20

圖 2-19 為天線陣列模擬與量測的反射損耗其工作頻率與設計之天線相去

不遠均包含 34GHz~37GHz圖 2-20 為實際量測的增益對頻率的變化圖其

增益的全頻段都能大於 14dBi其中某些頻率點可看出 E-plane 與 H-plane 所量

測到的最大增益值並不相同這主要的原因在於由饋入網路輸出端在在不同頻率

會有些微的相位差所致使得天線的最大增益值會些微偏移一個角度不過基

本上的趨勢還是相近

圖 2-19天線陣列模擬與量測之反射損耗

21

圖 2-20天線陣列增益對頻率圖

頻率(GHz) 33 34 35 36 37 38

E-plane 增益

(dBi) 1457 1619 1702 1634 1568 1429

H-plane 增益

(dB) 1421 1582 1624 1607 1581 1434

表 2-4天線陣列增益對頻率表

22

(a)俯視圖

(b)側視圖

圖 2-21天線陣列實體圖(a)俯視圖(b)側視圖

23

第三章 電磁帶隙結構與應用

(Electromagnetic Band-Gap Structure and Its Applications )

31 單位晶胞設計與截止帶比較

在天線中通常在較高之基板厚度及較大之介電常數時容易產生表面波

干擾天線輻射為了阻止表面波的傳遞論文中設計了高阻抗表面也就是所謂

的電磁帶隙(EBG)結構能有效抑制表面波提升天線效能

在近幾年許多微波領域的研究文獻利用光子能隙(Photonic Band-Gap

PBG)的概念也就是在介電係數成週期性排列的三維介電材料中電磁波經介

電函數散射後某些波段的電磁波強度會因破壞性干涉而呈現衰減無法在系統

內傳遞而在頻譜上形成截止帶[7][8]應用這個觀念在平面式傳輸線上設計具

有週期性幾何結構的電路造成電磁波在某些頻段無法傳遞而達到濾波的效果

由於使用於微波頻段所以稱此種結構為電磁帶隙或電磁能隙(Electromagnetic

Band-Gap EBG)結構

一個 EBG 結構電路時為一個電路之接地面在沿著某方向或平面做週期性

幾何結構變化所構成的電路如圖 3-1

圖 3-1一維 EBG 結構電路圖

利用 EBG 電路的週期性幾何結構形成一個電磁波的截止帶實線一個具

有寬頻與良好效能的帶止濾波器(Bandstop Filter)本論文使用共平面緊密電磁

帶隙結構(Uniplanar Compact EBG)如圖 3-2取代傳統的完整或切割連結通道

CellCell Cell Cell Cell d d d d TL TL TL TL

24

的平面結構每個單位細胞間以細線做連結細線提供了主要的電感效應每個

單位細胞間以狹縫做為區隔細狹縫間之互容效應與單位細胞之平面電容提供

了主要電容效應利用並接的電感電容效應來達到一寬頻的截止帶

圖 3-2EBG 結構集總電路圖

為了得到我們需要的截止帶首先模擬一個理想傳輸線當對照組(圖 3-3)

使用了介電常數值為 44 的 FR4 電路板厚度為 16mm觀察其反射損耗與插入

損耗從圖 3-4 了解到傳輸線從 1GHz 到 15GHz 反射損耗皆在-20dB 以下插入

損耗-3dB 以上

圖 3-3微帶傳輸線

(a) 俯視圖

(b) 側視圖

25

圖 3-4微帶傳輸線之反射損耗與插入損耗

利用電磁帶隙週期性二維的重複結構如圖 3-5可以找到我們所需要的截止

帶從微帶線的插入損耗可以明顯得到所設計的截止帶頻段跟單位晶胞的大小

成正相關整體電路的等效電感與等效電容越大相對的頻帶也會往低頻跑

(a)正面俯視圖 (b)背面俯視圖

圖 3-5微帶線加上 EBG 結構正面與背面

26

改變單位晶胞大小與截止帶之比較分別從(圖 3-6)4mm2(圖 3-7)6mm2(圖

3-8)8mm2(圖 3-9)10mm2的晶胞大小可以控制截止帶落在哪些區域

(b)反射損耗

a b

g

gs

h

(a)單位晶胞大小

a = 4 mmb = 37 mm s = g = 03 mm h = 18 mm

a

27

圖 3-6微帶線加上 4mm2EBG 結構之晶胞大小與 S 參數比較

從圖 3-6 可以得知從 10GHz 到 12GHz 有一較深之截止帶14GHz 之後也有

截止頻帶只是實驗目標以低頻為主故只模擬到 15GHz繼續改變晶胞大小

來設計低頻截止帶

a b

g

gs

h

(a)單位晶胞大小

a = 6 mm b = 57 mm s = g = 03 mm h = 28 mm

a

(c)插入損耗

28

圖 3-7微帶線加上 6mm2EBG 結構之晶胞大小與 S 參數比較

讓 EBG 晶胞變大(6mm2)跟預期結果相符可以得到更低頻的截止帶低頻帶

從 7GHz 到 9GHz高頻帶 10GHz 之後仍然存在極深之截止帶

(b)S參數比較圖

a bg

gs

h

(a)單位晶胞大小

a = 8 mm b = 76 mm s = g = 04 mm h = 37 mm

a

29

圖 3-8微帶線加上 8mm2EBG 結構之晶胞大小與 S 參數比較

從圖 3-8 的結果得到更低頻的截止帶座落於 43GHz~58GHz 及

61GHz~7GHz 由 於 論 文 中 所 設 計 的 WiMAX 天 線 陣 列 工 作 頻 率 在

34GHz~37GHz故需再將晶胞大小改變讓系統能夠共振在更低頻處

(b)S參數比較圖

a bg

gs

h

(a)單位晶胞大小

a = 10 mm b = 93 mm s = g = 07 mm h = 42 mm

a

30

圖 3-9微帶線加上 10mm2EBG 結構之晶胞大小與 S 參數比較

將週期性電磁帶隙結構結合微帶線可以設計出需要的截止帶圖 3-9 主要

的截止帶在 325GHz~4GHz 及 465GHz~58GHz已經達到需求的頻帶範圍下

個目標將結合微帶天線做改善與比較

(b)S參數比較圖

31

32 電磁帶隙結構包圍方式之探討

321 有限接地面的探討

由於設計的微帶天線主要是在邊射(Broad-side)方向輻射所以需要選擇一個

適當的接地面大小讓輻射場型得到一個最佳值理論上來說無限大的接地面

可以得到最平滑(Smooth)的輻射場型只在單邊輻射不會受到地面干擾實際

上在有限的空間必須選擇一個適當大小的接地面以符合成本與面積要求

而有限的接地面卻容易造成邊緣效應干擾[12]表面波在接地面邊緣產生繞射場

(Diffracted fields)形成新的波源以陣列因子的觀點來看多了新的波源會造

成輻射場型加乘上的消長如圖 3-10微帶貼片天線主要是以前後兩側差半波

長之邊輻射而有限接地面則會在邊緣產生感應磁流(Induced equivalent

magnetic current)如圖 3-11從電場的指向可以推得磁流的方向對照輻射

場型容易在邊射方向造成波紋(Ripple)

圖 3-10有限接地面產生之輻射場型比較圖

L

32

圖 3-11介質中電場指向之強弱分布與感應磁流方向

由於接地面的大小在 E-plane 會產生波紋來干擾輻射場型所以論文中以

EBG 週期性結構來做為一個完美磁導體(Perfect Magnetic ConductorPMC)也

就是人工 PMC(Artificial PMC)抑制邊緣電場的垂直入射減弱感應磁流的效

應以改善天線輻射場型

322 天線周圍包覆 PMC

傳統上 EBG 以圍滿的方式來改善微帶天線之增益與輻射[13]並透過晶胞

數的不斷增加來提高增益及改善輻射場型但晶胞數的增加將提高成本加大

EBG 面積及天線整體體積高達一定數量時反而會降低天線性能對於微帶貼

片天線而言EBG 在接地面太靠近天線輻射邊反而影響其輻射機制造成頻率

飄移因此論文中將探討 EBG 的包圍方式對天線性能之影響以有最佳效果

已知高阻抗表面可以阻擋介質中表面波的傳遞因此先透過理想 PMC 來代

替所設計之高阻抗表面 EBG 結構以分析其特性找出提升天性能的最佳包圍

33

方式

首先把天線周圍包覆 PMC 如圖 3-12以逼近的方式慢慢擴大 PMC 的面積

一圈 PMC 的寬度與設計的晶胞大小邊長一樣從輻射場型來看使用到第二圈

時可以得到最佳的輻射效能如圖 3-13PMC 包圍有其最佳範圍取得有效的包

圍方式可以讓天線輻射最佳化

圖 3-12天線周圍包覆 PMC

34

圖 3-13天線周圍包覆 PMC 之輻射場型比較

參考天線 一圈 PMC 二圈 PMC 三圈 PMC

0 度增益 357dBi 432dBi 545dBi 478dBi

增益改善 075dB 188dB 121dB

表 3-1天線周圍包覆 PMC 之增益改善比較

35

323 輻射邊兩側包覆 PMC

由於微帶天線之表面波傳遞方向以 xz 切面為主如圖 3-14因此在微帶天線

輻射邊的兩側擺放 EBG 結構以抑制其傳遞有效改善天線輻射場型首先使

用理想的 PMC 在天線輻射邊兩側包覆如圖 3-15對於 PMC 覆蓋面積的大小作一

探討變化 PMC 之覆蓋面積了解其對天線輻射場型的影響在邊射(broadside)

方向的輻射場型可以有效改善波紋讓旁波瓣(sidelobe)大幅度降低如圖 3-16

所示以兩列 PMC 可以達到較佳效果再增加一列 PMC 雖些許增加增益不

過 PMC 覆蓋的面積已達飽和因此從上述可知在結合 EBG 和微帶天線時

將有一最佳之覆蓋面積使用最適當之晶胞數來達到最佳的增益改善

圖 3-14表面波在介質空間中分布

36

圖 3-15輻射邊兩側包覆 PMC

圖 3-16輻射邊兩側包覆 PMC 之輻射場型比較

37

參考天線 一列 PMC 二列 PMC 三列 PMC

0 度增益 357dBi 528dBi 642dBi 644dBi

增益改善 171dB 285dB 287dB

表 3-2輻射邊兩側包覆 PMC 之增益改善比較

33 電磁帶隙結構結合單一微帶天線

以下將結合所設計之 EBG 結構和微帶天線以改善微帶天線之輻射場型干

擾從前述的探討先以圍繞式包圍天線做輻射場型比較如圖 3-17 所示

圖 3-17天線周圍包覆 EBG 之輻射場型比較

38

0 度增益

Ref patch antenna 357dBi

圍繞 EBG 572dBi

ΔGain 215dB

表 3-3天線周圍包覆 EBG 之增益改善比較

由於表面波之傳遞主要為 X 軸方向因此以 EBG 之較寬頻的維度來抑制 X

方向的表面波其結合方式如下以兩列 EBG 結構與天線結合比較如圖 3-18

圖 3-18輻射邊兩側包覆 EBG 之輻射場型比較

39

0 度增益

Ref patch antenna 357dBi

輻射邊包覆 EBG 577dBi

ΔGain 22dB

表 3-4輻射邊兩側包覆 EBG 之增益改善比較

兩種包覆 EBG 的情形做比較使用輻射邊兩側包覆 EBG 對表面波抑制可以

達到最直接的效果再對接地面做變化令輻射邊到接地面邊緣距離等於 15 倍

空氣中波長邊緣的等效感應磁流干擾最大在垂射(broadside)方向造成 30 度到

60 度的旁波瓣將晶胞數加到三列使得輻射場型能有最佳效果如圖 3-19 所示

圖 3-19較大接地面應用更多晶胞數改善輻射場型圖

40

34 電磁帶隙結構結合微帶天線陣列

第二章敘述之高增益天線陣列由於在 E-plane 產生較大之旁波瓣因此論

文將結合 EBG 結構與天線陣列改善輻射場型以符合 ETSI-TS2 規範要求

對原本的天線陣列與改善後的天線陣列作一比較如圖 3-20 為天線結構示意圖

俯視圖 yz 切面為表面波影響較大的面因此我們在 E-plane 兩側包覆 EBG使

用三列的 EBG 週期結構另外圖 3-21 為(a)34GHz(b)355GHz(c)37GHz

輻射場型在 E-plane 的改善比較可以發現在(a)跟(b)改善的效果特別明顯旁波

瓣減弱許多而(c)原本旁波瓣就不大所以改善較不明顯再跟 ETSI-mask 做

比較如圖 3-22改善後的天線陣列距離輻射場型標準線有較大之安全距離對實

作上的誤差影響會比較小以下針對輻射場型做一比較

圖 3-20原始天線陣列與應用 EBG 之天線陣列

41

(a)34GHz E-plane 輻射場型比較

(b)355GHz E-plane 輻射場型比較

(c)37GHz E-plane 輻射場型比較

圖 3-21原始天線陣列與應用 EBG 之天線陣列輻射場型比較

(a)34GHz (b)355GHz (c)37GHz

42

(a)34GHz E-plane

(b)355GHz E-plane

(a)37GHz E-plane

圖 3-22原始天線陣列與應用 EBG 之天線陣列與 ETSI-mask 比較

(a)34GHz (b)355GHz (c)37GHz

43

35 模擬與量測結果比較

由上述模擬的結果進行實作及量測的工作如圖 3-23 為微帶天線結合 EBG

結構的架構表 3-5 列出了板材的規格使用的基板是 FR4 玻璃纖維基板並架高

空氣高度為 5mm

Dielectric constant(topbottom) 44 44

Substrate thickness(topbottom) 08mm 16mm

Loss tangent 002

Air gap 5mm

Upper substrate size 250mm x 200mm

Ground size 300mm x 250mm

表 3-5天線陣列設計參數

圖 3-23應用 EBG 之天線陣列結構圖

44

圖 3-24 為天線陣列在 34GHz355GHz37GHz 的輻射場型從圖中可以

觀察模擬與量測場型蠻相近的

(a)34GHz

(b)355GHz

45

(c)37GHz

圖 3-24天線陣列輻射場型模擬與量測比較

對於其輻射場型的分布需求要符合 ETSI-TS2 的規範以下針對輻射場型與

ETSI-mask 做一比較如圖 3-25 所示從圖中發現實作及量測輻射場型全部

工作頻段都能滿足 mask 要求完成一組高增益天線陣列

(a)34GHz

46

(b)355GHz

(c)37GHz

圖 3-25天線陣列輻射場型與 ETSI-mask 比較

圖 3-26 為天線陣列模擬與量測的反射損耗其工作頻率與設計之天線相去

不遠均包含 34GHz~37GHz頻寬設計較大的原因在於避免外在因素造成的頻

飄量測出來可達 33GHz~39GHz略往高頻飄不過與設計的反射損耗相當接

近圖 3-27 為實際量測的增益對頻率的變化圖其增益的全頻段都能大於

14dBiE-plane 與 H-plane 也較為接近整理數據如表 3-6

47

圖 3-26天線陣列反射損耗模擬與量測比較

圖 3-27天線陣列增益對頻率圖

48

頻率(GHz) 33 34 35 36 37 38

E-plane 增益

(dBi) 1485 1591 1620 1687 1627 1507

H-plane 增益

(dBi) 1421 1565 1598 1629 1607 1518

表 3-6天線陣列增益對頻率表

49

圖 3-28 為實體圖俯視圖側視圖與 EBG 實際大小比較

(a) 俯視圖

(b) 側視圖(空氣高度=05mm)

(c)EBG 實體結構

圖 3-28天線陣列實體圖

50

第四章 結論

(Conclusion)

本論文主要是研究適用於基地台的 WiMAX 頻段高增益天線陣列並控制其

頻寬增益及輻射場型能夠符合 ETSI(European Telecommunication Standards

Institute)的規範在論文第二章中提出的高增益天線陣列是利用一個能量分歧

器把能量等效分成三份的饋入網路接上三組一樣的三元素陣列矩形微帶天線所

組成的天線陣列最高增益可達到 17dBi工作頻率的增益都能超過要求的

14dBi輻射場型符合 ETSI-TS2 規範另外本論文所提出的天線陣列為印刷式

天線不但具有輕量化的特性且大幅降低製作上的困難度也減輕了成本的負擔

透過本論文所設計之 EBG 可有效降低傳統 EBG 結構的製程僅以 FR4 板

材即可自行實作比較無須鉚釘並提出有效提升微帶天線增益的包圍方式在

有限的接地面下可選擇適當的晶胞數來改善天線陣列的輻射場型抑制表面波

對天線的干擾讓邊際效應產生的感應磁流干擾降到最低最後在實作及量測部

分驗證我們模擬的結果

51

參考文獻

[1] W L Stutzman and G A Thiele Antenna Theory and Design 2nd ed New York

Wiley 1998

[2] A Balanis Antenna Theory Analysis and Design New York Wiley 1997

[3] R Gardelli G La Cono and M Albani ldquoA low-cost suspended patch antenna for

WLAN access points and point-to-point linksrdquo IEEE Antennas and Propagat vol

3 no 1 pp 90-93 2004

[4] H F Pues and A R Van de capelle ldquoAn impedance-matching technique for

increasing the bandwidth of microstrip antennasrdquo IEEE Trans on Antennas and

Propagat vol 37 no 11 pp 1345-1354 Nov 1989

[5] Q Song and XndashX Zhang ldquoA study on wideband gap-coupled microstrip antenna

arraysrdquo IEEE Trans On Antennas and Propagat vol 43 no 3 pp 313-317 Mar

1995

[6] D Sievenpiper L Z Romulo F J Broas N G Alexopolous and E Yablonovitch

ldquoHigh-impedance electromagnetic surfaces with a forbidden frequency bandrdquo

IEEE Trans Microwave Theory Tech vol 47 no 11 pp 311-335 Nov 1999

[7] F-R Yang K-P Ma Y Qian and T Itoh ldquo A Uniplanar Compact

Photonic-Bandgap (UC-PBG) Structure and Its Applications for Microwave

Circuitsrdquo IEEE Trans MTT vol 47 Aug 1999

[8] M F Abedin M Z Azad and M Ali ldquo wideband smaller unit-cell planar EBG

structures and their applicationrdquo IEEE Trans On Antenna and Propagat vol 56

no 3 pp 903-908 Mar 2008

[9] I J Bahl and P Bhartia Microstrip Antennas Artech House 1980

[10] JR James and P S Hall Handbook of Microstrip Antennas LondonPeter

Peregrinus Ltd 1989

52

[11] K C Gupta R Garg I J Bahl P Bhartia Microstrip Lines and Slotlines 2nd ed

Norwood MAArtech House 1996

[12] T Namiki Y Murayama and K Ito ldquo Improving radiation-pattern distortion of a

patch antenna having a finite ground planerdquo IEEE Trans On Antenna and

Propagat vol 51 no 3 pp 478-482 Mar 2003

[13] R Coccioli F-R Yang K-P Ma and T Itoh ldquo Aperture-coupled patch antenna

on UC-PBG substraterdquo IEEE Trans Microwave Theory Tech vol 47 no 11 pp

2123-2130 Nov 1999

[14] F Yang and Y Rahmat-samii ldquo Microstrip antenna integrated with

electromagnetic band-gap (EBG) structure a low mutual coupling design for array

applicationrdquo IEEE Trans On Antenna and Propagat vol 51 no 10 pp

2936-2946 Oct2003

[15] Z Iluz R Shavit and R Bauer ldquo Microstrip antenna phased array with

electromagnetic bandgap substraterdquo IEEE Trans On Antenna and Propagat vol

52 no 6 pp 1446-1453 June 2004

  • 封面pdf
  • 摘要與目錄pdf
  • 論文_終稿_pdf
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 DEU 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 ESP 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FRA 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ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO 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 SVE ltFEFF0041006e007600e4006e00640020006400650020006800e4007200200069006e0073007400e4006c006c006e0069006e006700610072006e00610020006f006d002000640075002000760069006c006c00200073006b006100700061002000410064006f006200650020005000440046002d0064006f006b0075006d0065006e00740020006600f600720020006b00760061006c00690074006500740073007500740073006b0072006900660074006500720020007000e5002000760061006e006c00690067006100200073006b0072006900760061007200650020006f006300680020006600f600720020006b006f007200720065006b007400750072002e002000200053006b006100700061006400650020005000440046002d0064006f006b0075006d0065006e00740020006b0061006e002000f600700070006e00610073002000690020004100630072006f0062006100740020006f00630068002000410064006f00620065002000520065006100640065007200200035002e00300020006f00630068002000730065006e006100720065002egt ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP 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 FRA ltFEFF005500740069006c006900730065007a00200063006500730020006f007000740069006f006e00730020006100660069006e00200064006500200063007200e900650072002000640065007300200064006f00630075006d0065006e00740073002000410064006f00620065002000500044004600200070006f007500720020006400650073002000e90070007200650075007600650073002000650074002000640065007300200069006d007000720065007300730069006f006e00730020006400650020006800610075007400650020007100750061006c0069007400e90020007300750072002000640065007300200069006d007000720069006d0061006e0074006500730020006400650020006200750072006500610075002e0020004c0065007300200064006f00630075006d0065006e00740073002000500044004600200063007200e900e90073002000700065007500760065006e0074002000ea0074007200650020006f007500760065007200740073002000640061006e00730020004100630072006f006200610074002c002000610069006e00730069002000710075002700410064006f00620065002000520065006100640065007200200035002e0030002000650074002000760065007200730069006f006e007300200075006c007400e90072006900650075007200650073002egt ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK 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vi

圖 2-20天線陣列增益對頻率圖 21

圖 2-21天線陣列實體圖 22

(a)俯視圖 22

(b)側視圖 22

圖 3-1一維 EBG 結構電路圖 23

圖 3-2EBG 結構集總電路圖 24

圖 3-3微帶傳輸線 24

(a)俯視圖 24

(b)側視圖 24

圖 3-4微帶傳輸線之反射損耗與插入損耗 25

圖 3-5微帶線加上 EBG 結構正面與背面 25

(a)正面俯視圖 25

(b)背面俯視圖 25

圖 3-6微帶線加上 4mm2EBG 結構之晶胞大小與 S 參數比較 26

(a)單位晶胞大小 26

(b)反射損耗 26

(c)插入損耗 27

圖 3-7微帶線加上 6mm2EBG 結構之晶胞大小與 S 參數比較 27

(a)單位晶胞大小 27

(b)S 參數比較圖28

圖 3-8微帶線加上 8mm2EBG 結構之晶胞大小與 S 參數比較 28

(a)單位晶胞大小 28

(b)S 參數比較圖29

圖 3-9微帶線加上 10mm2EBG 結構之晶胞大小與 S 參數比較 29

(a)單位晶胞大小 29

(b)S 參數比較圖30

vii

圖 3-10有限接地面產生之輻射場型比較圖 31

圖 3-11介質中電場指向之強弱分布與感應磁流方向 32

圖 3-12天線周圍包覆 PMC33

圖 3-13天線周圍包覆 PMC 之輻射場型比較34

圖 3-14表面波在介質空間中分佈 35

圖 3-15輻射邊兩側包覆 PMC36

圖 3-16輻射邊兩側包覆 PMC 之輻射場型比較36

圖 3-17天線周圍包覆 EBG 之輻射場型比較 37

圖 3-18輻射邊兩側包覆 EBG 之輻射場型比較 38

圖 3-19較大接地面應用更多晶胞數改善輻射場型圖 39

圖 3-20原始天線陣列與應用 EBG 之天線陣列 40

圖 3-21原始天線陣列與應用 EBG 之天線陣列輻射場型比較 41

(a)34GHz41

(b)355GHz 41

(c)37GHz41

圖 3-22原始天線陣列與應用 EBG 之天線陣列與 ETSI-mask 比較 42

(a)34GHz42

(b)355GHz 42

(c)37GHz42

圖 3-23應用 EBG 之天線陣列結構圖 43

圖 3-24天線陣列輻射場型模擬與量測比較 44

(a)34GHz44

(b)355GHz 44

(c)37GHz45

圖 3-25天線陣列輻射場型與 ETSI-mask 比較 45

(a)34GHz45

viii

(b)355GHz 46

(c)37GHz46

圖 3-26天線陣列反射損耗模擬與量測比較 47

圖 3-27天線陣列增益對頻率圖 47

圖 3-28天線陣列實體圖 49

(a)俯視圖 49

(b)側視圖(空氣高度=05mm)49

(c)EBG 實體結構 49

ix

表 錄

表 2-1矩形微帶天線設計參數 11

表 2-2天線陣列設計參數 16

表 2-3ETSI-TS2 對輻射場型分布之要求18

表 2-4天線陣列增益對頻率表 21

表 3-1天線周圍包覆 PMC 之增益改善比較34

表 3-2輻射邊兩側包覆 PMC 之增益改善比較37

表 3-3天線周圍包覆 EBG 之增益改善比較 38

表 3-4輻射邊兩側包覆 EBG 之增益改善比較 39

表 3-5天線陣列設計參數 43

表 3-6天線陣列增益對頻率圖 48

1

第一章 導論

(Introduction)

11 工程背景與動機

近年來電信多媒體應用快速的成長及網路使用的普及化使用者需要的不

只是能夠在任何時間地點使用電信資訊服務且更需要增加使用頻寬及具有高傳

輸速率的無線通訊WiMAX(Worldwide Interoperability for Microwave Access)也

就是全球微波存取互通介面是一個逐漸發展的點對點或點對多點無線通訊網路

標準其不但可以提供使用者足夠的頻寬也能夠讓通訊服務業者不須要在地廣

人稀的地方佈線建立寬頻基礎建設而增加其營運成本因此許多開發中國家

及鄉村地區能透過建設 WiMAX 通訊系統以無線遠距寬頻的方式取代實體

寬頻佈線加速寬頻到家普及率

隨著無線通訊的興起天線所扮演的角色也日趨重要為了使資料的無線傳

輸達到寬頻要求天線的製作上就需要有一定的規範現行 WiMAX 覆蓋的頻段

有 253555 GHz(2500-26903400-36905250-5850 MHz)在每個國家各有不同

規定應用其中美規訂於 25GHz-269GHz而歐規訂於 34GHz-369GHz本論

文的天線陣列中心頻率設計於 355GHz為了符合 WiMAX 寬頻資料傳輸及涵蓋

範圍最大達 31 英哩的特性天線陣列的設計必須具有高增益及寬頻的特性因

此本論文的天線陣列以滿足歐洲電信標準局 (European Telecommunication

Standards Institute ETSI)規範為要求天線增益在全頻段須大於 14dBi而天線場

型符合 ETSI-TS2 mask

傳統上製作高增益天線以反射型天線[1]及透射型天線[2]為主為了減少

製作成本縮小體積我們使用了微帶天線陣列微帶天線的基本觀念早在 1950

年代就已經被提出微帶天線已應用於各方面需求針對微帶天線的寬頻設計方

2

式有利用厚空氣介質[3]饋入匹配電路[4]及使用間隙耦合貼片[5]來增加天線頻

寬另外由於有限接地面的限制會產生表面波在板材邊緣造成繞射現象使

天線的增益降低及輻射場型的扭曲為了抑制表面波的傳播我們使用電磁帶隙

(Electromagnetic Band-gap EBG)週期性結構讓某頻率範圍內禁止電磁波傳遞

這範圍也就是所謂的頻帶隙(Band-gap)由於 EBG 結構在頻帶隙產生了高阻抗表

面所以可以有效抑制表面波並提升天線性能

一般蘑菇型(mushroom)EBG 結構[6]雖易於抑制表面波的傳遞但其缺點為

製作不易因為它需要透過鉚釘(via)來達成以致增加許多成本因此在論文中

設計了無鉚釘的 EBG 結構以增加其實用性並且利用 EBG 排列包圍方式來結

合微帶天線改善輻射場型的扭曲[7]最後將結合 EBG 結構的高增益微帶天

線陣列進行實做及量測與模擬做統整與比較

12 章節介紹

本論文第二章介紹微帶貼片天線和陣列的基本原理及論文中所設計的天線

陣列結構第三章主要介紹電磁帶隙結構並對天線做一結合比較內容包括

電磁帶隙設計並使用於單一微帶天線及天線陣列最後模擬分析與量測比較

第四章為本文總結討論

3

第二章 基本理論與天線結構

(Basic Theory and Antenna Structure)

21 微帶貼片天線和陣列理論

211 微帶貼片天線理論

微帶貼片天線(Microstrip Patch Antenna)具有結構簡單製作方便高度實

用而且可以很容易地經由長度及寬度的控制來做效能微調等特性本論文中所

製作的高增益天線以縮小面積降低天線的剖面降低成本易於製作為主利

用微帶貼片天線的特色製作陣列以達到我們需要的高增益天線本論文中所設

計的天線陣列以矩形微帶貼片天線為主

矩形微帶貼片天線其結構包含了接地金屬面介電質基板還有饋入電路與

輻射金屬片如圖 2-1 所示

圖 2-1微帶貼片天線示意圖

4

其可以視為兩個相隔長度 L 的輻射槽(Radiating slot)每個槽的寬度相當於

基板的厚度 h長度則相當於貼片天線的 W理論上這兩個槽應該相距 λg2其

中 λg 為在介質中的波長在貼片天線中有兩個重要的參數等效介電常數

( effective dielectric constant )及等效貼片長度( effective length )由於貼片天線的

長和寬有限所以在天線邊緣附近的會有漏電場的現象此稱邊緣效應(edge

effect)而漏電場和貼片天線的寬度以及基板的介電常數厚度有關如果天線

的 L h 值遠大於 1則漏電場的現象不會太嚴重由於當考慮到邊緣效應貼片

天線上的電場在邊緣輻射時會同時經過介電材料及空氣所以等效介電常數便不

是原本板材的介電值藉由式(2-1)我們可以得到一等效介電常數 reffε 等效介電

常數的範圍通常為1 reff rε εlt lt

121 1 1 12 1

2 2r r

reffh W

W hε εε

minus+ minus ⎡ ⎤= + + lt⎢ ⎥⎣ ⎦ (2-1)

等效介電常數對於天線的 W 跟 L 有很大的影響貼片天線的寬度 W 是影響

天線輻射效率的最大因素其可由式(2-2)計算得知

12

0 12 2

rW λ ε minus+⎛ ⎞= ⎜ ⎟⎝ ⎠

(2-2)

而在天線輻射端的兩個槽因為邊緣效應的影響等效天線長度跟實際上的長度

會有2 LΔ 的差距由式(2-3)可以得到 LΔ

5

( )

( )

03 02640412

0258 08

reff

reff

WhL h

Wh

ε

ε

⎛ ⎞+ +⎜ ⎟⎝ ⎠Δ =⎛ ⎞minus +⎜ ⎟⎝ ⎠

(2-3)

得知 LΔ 後貼片天線的實際長度 2effL L L= minus Δ 其中 2eff gL λ= 微帶貼片天線

邊緣輸入阻抗一般介於 100~400 歐姆之間計算其輸入阻抗時可將天線的兩個

輻射槽各代表一並聯的導納 Y如圖 2-2 所示

圖 2-2微帶天線等效傳輸線電路圖

其中 G1 及 B1 的大小由天線的寬度 W 決定式(2-4)及式(2-5)為 W 與 G1 及 B1 的

關係式[9]由於在此討論的天線為矩形貼片天線天線兩邊的寬度會相同故

G2 及 B2 的大小分別與 G1 及 B1 相同而 Yc則為長度約為 2gλ 傳輸線的特性導

( )21 0

0 0

1 h1 01120 24

WG k hλ λ

⎡ ⎤= minus lt⎢ ⎥⎣ ⎦ (2-4)

01

0reff

k LBZ

εΔ= (2-5)

00

reff

hZW

ηε

= (2-6)

B1 G1 G2 B2

YC

6

求得導納之後由圖 2-2 等效傳輸線電路圖可得輸入阻抗 1in inR Y= 1 2inY Y Y= +

1Y 為槽一(slot1)的導納( 1 1 1Y G jB= + ) 2Y 為槽二(slot2)的導納( 2 2 2Y G jB= + )因

為共振長度為 2gλ 所以兩個輻射槽的電納相差 180∘( 1 2B B= minus )因此輸入導

納為 12G輸入阻抗則為 1 2R 天線的邊緣輸入阻抗求得之後我們可以利用 4λ

轉換線饋入與 50Ω接頭匹配方便饋入線(feeding line)的設計

212 陣列理論

設計天線陣列時其天線陣列的排列結構各元素間的距離各元素激發的

振幅與相位及單一元素的場型都會影響陣列的場型分佈[1]圖 2-3 為一點波源

等間距之線性陣列

圖 2-3點波源等間距之線性陣列

若元素間激發電流相位差為α一等能量饋入的天線陣列之陣列因子如式

(2-7)所示

1

00

AF cosN

jn

nA e dψ ψ β θ α

minus

=

= = +sum (2-7)

其中d為天線陣列元素的間距β 為波數θ為偏離Z軸之角度α 為元素間的相

位差

7

經過推導忽略其相位因子正歸化的陣列因子為

( ) ( )( )

sin 21sin 2

Nf

ψψ

⎡ ⎤= ⎢ ⎥

⎣ ⎦ (28)

在ψ =0時有最大值主波束的方向為

1cosdαθβ

minus ⎛ ⎞minus= ⎜ ⎟

⎝ ⎠ (29)

藉由陣列因子我們將可以預估理想狀況下天線陣列的輻射場型由於本論文天線

陣列由3times3陣列矩陣所組成且微帶天線場型是分佈在天線的垂射(broadside)方

向故在設計天線陣列的饋入網路時每個元素間所得到的能量應為等大小同

相位圖2-4及圖2-5分別為3times3天線陣列E-plane及H-plane在相同大小及相位時

所計算的陣列因子我們可以藉由適當間距的陣列因子與微帶天線的場型乘積

獲得理想上的天線陣列輻射場型分佈

8

圖 2-4在不同間距時E-plane 的陣列因子

圖 2-5在不同間距時H-plane 的陣列因子

9

22 天線結構

221 單一微帶貼片天線設計

由於微帶貼片天線是一共振型天線傳統上其頻寬較窄所以我們可以藉由

改變天線的形狀增加天線的共振路徑或者改變天線的結構以提高頻寬及增

設計微帶貼片天線時基板(substrate)影響天線效能較大的有三個參數介

質損耗(正比於 tanδ )介電常數( rε )以及厚度( h )其中介質損耗越小越好如

此可以提高天線效率及增益但相對的成本也較高而介電常數也是越小越好

如此可以增加頻寬提高天線的指向性及增益相對的天線的尺寸也越大厚度

則是越大越好如此可以提高天線效率及增益有效增加頻寬但厚度太大則容

易產生表面波使得部分能量被束缚在基板中無法輻射出去

基於上述基板對天線效能的影響以及本論文對頻寬及增益的要求我們採

用 FR4( 44rε = )玻璃纖維基板並且採用厚空氣介質如此可以有效降低等效介

電常數值及提高厚度藉以達到寬頻及高增益的特性如圖 2-6 所示

圖 2-6懸浮微帶線結構(Suspended microstrip line configuration)

10

如圖 2-6 加上 air gap 高度之後其等效介電常數會有所改變其可由式(2-10)

得到一近似值[10]

( )( )

rreff

r

h H hh H hε

εε+ minus⎡ ⎤⎣ ⎦=

+ minus (2-10)

另外懸浮微帶線的特性阻抗(假設 t=0)則由式(2-11)得到較精確的值以便設計

饋入網路[11]

2

0 10

2ln 12 re

FZu u

ηπ ε

⎡ ⎤⎛ ⎞⎢ ⎥= + + ⎜ ⎟⎢ ⎥⎝ ⎠⎣ ⎦ (2-11)

其中

( ) ( )07528306661 6 2 6 uF eπ minus= + minus (2-11a)

( )0 120η π= Ω Wuh

= (2-11b)

1

11 ln 1rer

h Wa bH h H h

εε

minus⎡ ⎤⎛ ⎞⎛ ⎞= + minus minus⎢ ⎥⎜ ⎟⎜ ⎟⎜ ⎟minus minus⎝ ⎠⎢ ⎥⎝ ⎠⎣ ⎦

(2-12)

其中

4

08621 0125ln haH h

⎡ ⎤⎛ ⎞= minus ⎜ ⎟⎢ ⎥minus⎝ ⎠⎣ ⎦ (2-12a)

4

04986 01397 ln hbH h

⎡ ⎤⎛ ⎞= minus ⎜ ⎟⎢ ⎥minus⎝ ⎠⎣ ⎦ (2-12b)

11

利用前面提到的矩形微帶天線基本理論將天線的寬度及長度求出把饋入網

路與天線元素在同一平面做一結合設計參數如表 2-1

Dielectric constant 44

Substrate thickness 08mm

Loss tangent 002

Air gap 5mm

Single patch size 416mm(W) x 335mm(L)

Feeding line width 0901mm

Feeding line length 1996mm

表 2-1矩形微帶天線設計參數

利用式(2-4)(2-5)及(2-6)求出天線邊緣的輸入阻抗再設計一四分之一波長

傳輸線饋入並以特性阻抗 Z0 的輸入埠進行模擬如圖 2-7 所示

圖 2-7矩形微帶貼片天線示意圖

Ground plane

65mm Patch antenna

W

L

Zt=9904Ω

Z0=50Ω

80mm

12

當天線共振時天線邊緣的輸入阻抗 inZ 可藉由 20in tZ Z Z= 計算得知接著

觀察中心頻率為 355GHz 的矩形微帶貼片天線其反射損耗與輻射場型圖 2-8

為反射損耗圖圖 2-9 為中心頻率 355GHz 模擬的輻射場型

圖 2-8矩形微帶貼片天線反射損耗

圖 2-9矩形微帶貼片天線在中心頻率 355GHz 模擬的輻射場型

Return Loss

13

222 高增益天線陣列設計

首先以微帶線並聯的饋入結構設計能量一分三的網路再利用傳輸線作阻

抗的匹配[13]最後再以其寬頻的特性饋入到天線陣列圖 2-10 為饋入網路示意

圖圖 2-11 及圖 2-12 分別為饋入網路之反射損耗(Return Loss)插入損耗

(Insertion Loss)以及各輸出埠相位圖

圖 2-10饋入網路示意圖

圖 2-11天線陣列饋入網路之反射損耗及插入損耗模擬圖

14

圖 2-12天線陣列饋入網路各輸出埠相位差

從圖 2-11 可以發現各輸出埠的能量在不同頻率的變化實線為埠一(port1)

的反射損耗其餘為埠二三及四的插入損耗在工作頻率的範圍輸出埠的能

量差值在 2dB 以內而每個輸出埠在工作頻率的相位差為 20deg以內

接著我們利用圖 2-10 的分歧器輸出埠接上天線三元天線陣列如圖 2-13

觀察其反射損耗(圖 2-14)與輻射場型(圖 2-15)

圖 2-13三元天線陣列

15

圖 2-14三元天線陣列反射損耗

圖 2-15三元天線陣列在中心頻率 355GHz 模擬的輻射場型

由圖 2-14圖 2-15 了解到反射損耗在工作頻段(34GHz~37GHz)滿足要求

觀察輻射場型發現增益已可達到 12dBi此時再利用一組能量一分三的分歧器

設計總天線陣列預計為三乘以三共九個元素的天線陣列設計參數如表 2-2

16

Dielectric constant(topbottom) 44 44

Substrate thickness(topbottom) 08mm 16mm

Loss tangent 002

Air gap 5mm

Upper substrate size 250mm x 200mm

Ground size 300mm x 250mm

表 2-2天線陣列設計參數

圖 2-16 為天線陣列結構圖由於饋入網路阻抗匹配與相位差對天線陣列影

響非常大所以設計其信號饋入端為 50Ω以符合實際上使用的 SMA 接頭使

饋入網路匹配

圖 2-16天線陣列結構俯視圖

17

圖 2-17 為天線陣列在(a)34GHz(b)355GHz(c)37GHz 的輻射場型從圖

中可看出模擬與量測的輻射場型相當接近增益也能達到要求

(a)34GHz

(b)355GHz

18

(c)37GHz

圖 2-17天線陣列輻射場型

天線結構確定之後對於其輻射場型的分布需求要符合 ETSI-TS2 的規範

表 2-3 為 ETSI-TS2 對輻射場型分布的要求以下針對輻射場型與 ETSI-mask 做

一比較如圖 2-18 所示從圖中發現除了 34GHz 些微超出標準之外其餘頻

段都能滿足輻射場型要求之後會將改善的部份再做比較

表 2-3ETSI-TS2 對輻射場型分布之要求

19

(a)34GHz

(b)355GHz

(c)37GHz

圖 2-18天線陣列輻射場型與 ETSI-mask 之比較

20

圖 2-19 為天線陣列模擬與量測的反射損耗其工作頻率與設計之天線相去

不遠均包含 34GHz~37GHz圖 2-20 為實際量測的增益對頻率的變化圖其

增益的全頻段都能大於 14dBi其中某些頻率點可看出 E-plane 與 H-plane 所量

測到的最大增益值並不相同這主要的原因在於由饋入網路輸出端在在不同頻率

會有些微的相位差所致使得天線的最大增益值會些微偏移一個角度不過基

本上的趨勢還是相近

圖 2-19天線陣列模擬與量測之反射損耗

21

圖 2-20天線陣列增益對頻率圖

頻率(GHz) 33 34 35 36 37 38

E-plane 增益

(dBi) 1457 1619 1702 1634 1568 1429

H-plane 增益

(dB) 1421 1582 1624 1607 1581 1434

表 2-4天線陣列增益對頻率表

22

(a)俯視圖

(b)側視圖

圖 2-21天線陣列實體圖(a)俯視圖(b)側視圖

23

第三章 電磁帶隙結構與應用

(Electromagnetic Band-Gap Structure and Its Applications )

31 單位晶胞設計與截止帶比較

在天線中通常在較高之基板厚度及較大之介電常數時容易產生表面波

干擾天線輻射為了阻止表面波的傳遞論文中設計了高阻抗表面也就是所謂

的電磁帶隙(EBG)結構能有效抑制表面波提升天線效能

在近幾年許多微波領域的研究文獻利用光子能隙(Photonic Band-Gap

PBG)的概念也就是在介電係數成週期性排列的三維介電材料中電磁波經介

電函數散射後某些波段的電磁波強度會因破壞性干涉而呈現衰減無法在系統

內傳遞而在頻譜上形成截止帶[7][8]應用這個觀念在平面式傳輸線上設計具

有週期性幾何結構的電路造成電磁波在某些頻段無法傳遞而達到濾波的效果

由於使用於微波頻段所以稱此種結構為電磁帶隙或電磁能隙(Electromagnetic

Band-Gap EBG)結構

一個 EBG 結構電路時為一個電路之接地面在沿著某方向或平面做週期性

幾何結構變化所構成的電路如圖 3-1

圖 3-1一維 EBG 結構電路圖

利用 EBG 電路的週期性幾何結構形成一個電磁波的截止帶實線一個具

有寬頻與良好效能的帶止濾波器(Bandstop Filter)本論文使用共平面緊密電磁

帶隙結構(Uniplanar Compact EBG)如圖 3-2取代傳統的完整或切割連結通道

CellCell Cell Cell Cell d d d d TL TL TL TL

24

的平面結構每個單位細胞間以細線做連結細線提供了主要的電感效應每個

單位細胞間以狹縫做為區隔細狹縫間之互容效應與單位細胞之平面電容提供

了主要電容效應利用並接的電感電容效應來達到一寬頻的截止帶

圖 3-2EBG 結構集總電路圖

為了得到我們需要的截止帶首先模擬一個理想傳輸線當對照組(圖 3-3)

使用了介電常數值為 44 的 FR4 電路板厚度為 16mm觀察其反射損耗與插入

損耗從圖 3-4 了解到傳輸線從 1GHz 到 15GHz 反射損耗皆在-20dB 以下插入

損耗-3dB 以上

圖 3-3微帶傳輸線

(a) 俯視圖

(b) 側視圖

25

圖 3-4微帶傳輸線之反射損耗與插入損耗

利用電磁帶隙週期性二維的重複結構如圖 3-5可以找到我們所需要的截止

帶從微帶線的插入損耗可以明顯得到所設計的截止帶頻段跟單位晶胞的大小

成正相關整體電路的等效電感與等效電容越大相對的頻帶也會往低頻跑

(a)正面俯視圖 (b)背面俯視圖

圖 3-5微帶線加上 EBG 結構正面與背面

26

改變單位晶胞大小與截止帶之比較分別從(圖 3-6)4mm2(圖 3-7)6mm2(圖

3-8)8mm2(圖 3-9)10mm2的晶胞大小可以控制截止帶落在哪些區域

(b)反射損耗

a b

g

gs

h

(a)單位晶胞大小

a = 4 mmb = 37 mm s = g = 03 mm h = 18 mm

a

27

圖 3-6微帶線加上 4mm2EBG 結構之晶胞大小與 S 參數比較

從圖 3-6 可以得知從 10GHz 到 12GHz 有一較深之截止帶14GHz 之後也有

截止頻帶只是實驗目標以低頻為主故只模擬到 15GHz繼續改變晶胞大小

來設計低頻截止帶

a b

g

gs

h

(a)單位晶胞大小

a = 6 mm b = 57 mm s = g = 03 mm h = 28 mm

a

(c)插入損耗

28

圖 3-7微帶線加上 6mm2EBG 結構之晶胞大小與 S 參數比較

讓 EBG 晶胞變大(6mm2)跟預期結果相符可以得到更低頻的截止帶低頻帶

從 7GHz 到 9GHz高頻帶 10GHz 之後仍然存在極深之截止帶

(b)S參數比較圖

a bg

gs

h

(a)單位晶胞大小

a = 8 mm b = 76 mm s = g = 04 mm h = 37 mm

a

29

圖 3-8微帶線加上 8mm2EBG 結構之晶胞大小與 S 參數比較

從圖 3-8 的結果得到更低頻的截止帶座落於 43GHz~58GHz 及

61GHz~7GHz 由 於 論 文 中 所 設 計 的 WiMAX 天 線 陣 列 工 作 頻 率 在

34GHz~37GHz故需再將晶胞大小改變讓系統能夠共振在更低頻處

(b)S參數比較圖

a bg

gs

h

(a)單位晶胞大小

a = 10 mm b = 93 mm s = g = 07 mm h = 42 mm

a

30

圖 3-9微帶線加上 10mm2EBG 結構之晶胞大小與 S 參數比較

將週期性電磁帶隙結構結合微帶線可以設計出需要的截止帶圖 3-9 主要

的截止帶在 325GHz~4GHz 及 465GHz~58GHz已經達到需求的頻帶範圍下

個目標將結合微帶天線做改善與比較

(b)S參數比較圖

31

32 電磁帶隙結構包圍方式之探討

321 有限接地面的探討

由於設計的微帶天線主要是在邊射(Broad-side)方向輻射所以需要選擇一個

適當的接地面大小讓輻射場型得到一個最佳值理論上來說無限大的接地面

可以得到最平滑(Smooth)的輻射場型只在單邊輻射不會受到地面干擾實際

上在有限的空間必須選擇一個適當大小的接地面以符合成本與面積要求

而有限的接地面卻容易造成邊緣效應干擾[12]表面波在接地面邊緣產生繞射場

(Diffracted fields)形成新的波源以陣列因子的觀點來看多了新的波源會造

成輻射場型加乘上的消長如圖 3-10微帶貼片天線主要是以前後兩側差半波

長之邊輻射而有限接地面則會在邊緣產生感應磁流(Induced equivalent

magnetic current)如圖 3-11從電場的指向可以推得磁流的方向對照輻射

場型容易在邊射方向造成波紋(Ripple)

圖 3-10有限接地面產生之輻射場型比較圖

L

32

圖 3-11介質中電場指向之強弱分布與感應磁流方向

由於接地面的大小在 E-plane 會產生波紋來干擾輻射場型所以論文中以

EBG 週期性結構來做為一個完美磁導體(Perfect Magnetic ConductorPMC)也

就是人工 PMC(Artificial PMC)抑制邊緣電場的垂直入射減弱感應磁流的效

應以改善天線輻射場型

322 天線周圍包覆 PMC

傳統上 EBG 以圍滿的方式來改善微帶天線之增益與輻射[13]並透過晶胞

數的不斷增加來提高增益及改善輻射場型但晶胞數的增加將提高成本加大

EBG 面積及天線整體體積高達一定數量時反而會降低天線性能對於微帶貼

片天線而言EBG 在接地面太靠近天線輻射邊反而影響其輻射機制造成頻率

飄移因此論文中將探討 EBG 的包圍方式對天線性能之影響以有最佳效果

已知高阻抗表面可以阻擋介質中表面波的傳遞因此先透過理想 PMC 來代

替所設計之高阻抗表面 EBG 結構以分析其特性找出提升天性能的最佳包圍

33

方式

首先把天線周圍包覆 PMC 如圖 3-12以逼近的方式慢慢擴大 PMC 的面積

一圈 PMC 的寬度與設計的晶胞大小邊長一樣從輻射場型來看使用到第二圈

時可以得到最佳的輻射效能如圖 3-13PMC 包圍有其最佳範圍取得有效的包

圍方式可以讓天線輻射最佳化

圖 3-12天線周圍包覆 PMC

34

圖 3-13天線周圍包覆 PMC 之輻射場型比較

參考天線 一圈 PMC 二圈 PMC 三圈 PMC

0 度增益 357dBi 432dBi 545dBi 478dBi

增益改善 075dB 188dB 121dB

表 3-1天線周圍包覆 PMC 之增益改善比較

35

323 輻射邊兩側包覆 PMC

由於微帶天線之表面波傳遞方向以 xz 切面為主如圖 3-14因此在微帶天線

輻射邊的兩側擺放 EBG 結構以抑制其傳遞有效改善天線輻射場型首先使

用理想的 PMC 在天線輻射邊兩側包覆如圖 3-15對於 PMC 覆蓋面積的大小作一

探討變化 PMC 之覆蓋面積了解其對天線輻射場型的影響在邊射(broadside)

方向的輻射場型可以有效改善波紋讓旁波瓣(sidelobe)大幅度降低如圖 3-16

所示以兩列 PMC 可以達到較佳效果再增加一列 PMC 雖些許增加增益不

過 PMC 覆蓋的面積已達飽和因此從上述可知在結合 EBG 和微帶天線時

將有一最佳之覆蓋面積使用最適當之晶胞數來達到最佳的增益改善

圖 3-14表面波在介質空間中分布

36

圖 3-15輻射邊兩側包覆 PMC

圖 3-16輻射邊兩側包覆 PMC 之輻射場型比較

37

參考天線 一列 PMC 二列 PMC 三列 PMC

0 度增益 357dBi 528dBi 642dBi 644dBi

增益改善 171dB 285dB 287dB

表 3-2輻射邊兩側包覆 PMC 之增益改善比較

33 電磁帶隙結構結合單一微帶天線

以下將結合所設計之 EBG 結構和微帶天線以改善微帶天線之輻射場型干

擾從前述的探討先以圍繞式包圍天線做輻射場型比較如圖 3-17 所示

圖 3-17天線周圍包覆 EBG 之輻射場型比較

38

0 度增益

Ref patch antenna 357dBi

圍繞 EBG 572dBi

ΔGain 215dB

表 3-3天線周圍包覆 EBG 之增益改善比較

由於表面波之傳遞主要為 X 軸方向因此以 EBG 之較寬頻的維度來抑制 X

方向的表面波其結合方式如下以兩列 EBG 結構與天線結合比較如圖 3-18

圖 3-18輻射邊兩側包覆 EBG 之輻射場型比較

39

0 度增益

Ref patch antenna 357dBi

輻射邊包覆 EBG 577dBi

ΔGain 22dB

表 3-4輻射邊兩側包覆 EBG 之增益改善比較

兩種包覆 EBG 的情形做比較使用輻射邊兩側包覆 EBG 對表面波抑制可以

達到最直接的效果再對接地面做變化令輻射邊到接地面邊緣距離等於 15 倍

空氣中波長邊緣的等效感應磁流干擾最大在垂射(broadside)方向造成 30 度到

60 度的旁波瓣將晶胞數加到三列使得輻射場型能有最佳效果如圖 3-19 所示

圖 3-19較大接地面應用更多晶胞數改善輻射場型圖

40

34 電磁帶隙結構結合微帶天線陣列

第二章敘述之高增益天線陣列由於在 E-plane 產生較大之旁波瓣因此論

文將結合 EBG 結構與天線陣列改善輻射場型以符合 ETSI-TS2 規範要求

對原本的天線陣列與改善後的天線陣列作一比較如圖 3-20 為天線結構示意圖

俯視圖 yz 切面為表面波影響較大的面因此我們在 E-plane 兩側包覆 EBG使

用三列的 EBG 週期結構另外圖 3-21 為(a)34GHz(b)355GHz(c)37GHz

輻射場型在 E-plane 的改善比較可以發現在(a)跟(b)改善的效果特別明顯旁波

瓣減弱許多而(c)原本旁波瓣就不大所以改善較不明顯再跟 ETSI-mask 做

比較如圖 3-22改善後的天線陣列距離輻射場型標準線有較大之安全距離對實

作上的誤差影響會比較小以下針對輻射場型做一比較

圖 3-20原始天線陣列與應用 EBG 之天線陣列

41

(a)34GHz E-plane 輻射場型比較

(b)355GHz E-plane 輻射場型比較

(c)37GHz E-plane 輻射場型比較

圖 3-21原始天線陣列與應用 EBG 之天線陣列輻射場型比較

(a)34GHz (b)355GHz (c)37GHz

42

(a)34GHz E-plane

(b)355GHz E-plane

(a)37GHz E-plane

圖 3-22原始天線陣列與應用 EBG 之天線陣列與 ETSI-mask 比較

(a)34GHz (b)355GHz (c)37GHz

43

35 模擬與量測結果比較

由上述模擬的結果進行實作及量測的工作如圖 3-23 為微帶天線結合 EBG

結構的架構表 3-5 列出了板材的規格使用的基板是 FR4 玻璃纖維基板並架高

空氣高度為 5mm

Dielectric constant(topbottom) 44 44

Substrate thickness(topbottom) 08mm 16mm

Loss tangent 002

Air gap 5mm

Upper substrate size 250mm x 200mm

Ground size 300mm x 250mm

表 3-5天線陣列設計參數

圖 3-23應用 EBG 之天線陣列結構圖

44

圖 3-24 為天線陣列在 34GHz355GHz37GHz 的輻射場型從圖中可以

觀察模擬與量測場型蠻相近的

(a)34GHz

(b)355GHz

45

(c)37GHz

圖 3-24天線陣列輻射場型模擬與量測比較

對於其輻射場型的分布需求要符合 ETSI-TS2 的規範以下針對輻射場型與

ETSI-mask 做一比較如圖 3-25 所示從圖中發現實作及量測輻射場型全部

工作頻段都能滿足 mask 要求完成一組高增益天線陣列

(a)34GHz

46

(b)355GHz

(c)37GHz

圖 3-25天線陣列輻射場型與 ETSI-mask 比較

圖 3-26 為天線陣列模擬與量測的反射損耗其工作頻率與設計之天線相去

不遠均包含 34GHz~37GHz頻寬設計較大的原因在於避免外在因素造成的頻

飄量測出來可達 33GHz~39GHz略往高頻飄不過與設計的反射損耗相當接

近圖 3-27 為實際量測的增益對頻率的變化圖其增益的全頻段都能大於

14dBiE-plane 與 H-plane 也較為接近整理數據如表 3-6

47

圖 3-26天線陣列反射損耗模擬與量測比較

圖 3-27天線陣列增益對頻率圖

48

頻率(GHz) 33 34 35 36 37 38

E-plane 增益

(dBi) 1485 1591 1620 1687 1627 1507

H-plane 增益

(dBi) 1421 1565 1598 1629 1607 1518

表 3-6天線陣列增益對頻率表

49

圖 3-28 為實體圖俯視圖側視圖與 EBG 實際大小比較

(a) 俯視圖

(b) 側視圖(空氣高度=05mm)

(c)EBG 實體結構

圖 3-28天線陣列實體圖

50

第四章 結論

(Conclusion)

本論文主要是研究適用於基地台的 WiMAX 頻段高增益天線陣列並控制其

頻寬增益及輻射場型能夠符合 ETSI(European Telecommunication Standards

Institute)的規範在論文第二章中提出的高增益天線陣列是利用一個能量分歧

器把能量等效分成三份的饋入網路接上三組一樣的三元素陣列矩形微帶天線所

組成的天線陣列最高增益可達到 17dBi工作頻率的增益都能超過要求的

14dBi輻射場型符合 ETSI-TS2 規範另外本論文所提出的天線陣列為印刷式

天線不但具有輕量化的特性且大幅降低製作上的困難度也減輕了成本的負擔

透過本論文所設計之 EBG 可有效降低傳統 EBG 結構的製程僅以 FR4 板

材即可自行實作比較無須鉚釘並提出有效提升微帶天線增益的包圍方式在

有限的接地面下可選擇適當的晶胞數來改善天線陣列的輻射場型抑制表面波

對天線的干擾讓邊際效應產生的感應磁流干擾降到最低最後在實作及量測部

分驗證我們模擬的結果

51

參考文獻

[1] W L Stutzman and G A Thiele Antenna Theory and Design 2nd ed New York

Wiley 1998

[2] A Balanis Antenna Theory Analysis and Design New York Wiley 1997

[3] R Gardelli G La Cono and M Albani ldquoA low-cost suspended patch antenna for

WLAN access points and point-to-point linksrdquo IEEE Antennas and Propagat vol

3 no 1 pp 90-93 2004

[4] H F Pues and A R Van de capelle ldquoAn impedance-matching technique for

increasing the bandwidth of microstrip antennasrdquo IEEE Trans on Antennas and

Propagat vol 37 no 11 pp 1345-1354 Nov 1989

[5] Q Song and XndashX Zhang ldquoA study on wideband gap-coupled microstrip antenna

arraysrdquo IEEE Trans On Antennas and Propagat vol 43 no 3 pp 313-317 Mar

1995

[6] D Sievenpiper L Z Romulo F J Broas N G Alexopolous and E Yablonovitch

ldquoHigh-impedance electromagnetic surfaces with a forbidden frequency bandrdquo

IEEE Trans Microwave Theory Tech vol 47 no 11 pp 311-335 Nov 1999

[7] F-R Yang K-P Ma Y Qian and T Itoh ldquo A Uniplanar Compact

Photonic-Bandgap (UC-PBG) Structure and Its Applications for Microwave

Circuitsrdquo IEEE Trans MTT vol 47 Aug 1999

[8] M F Abedin M Z Azad and M Ali ldquo wideband smaller unit-cell planar EBG

structures and their applicationrdquo IEEE Trans On Antenna and Propagat vol 56

no 3 pp 903-908 Mar 2008

[9] I J Bahl and P Bhartia Microstrip Antennas Artech House 1980

[10] JR James and P S Hall Handbook of Microstrip Antennas LondonPeter

Peregrinus Ltd 1989

52

[11] K C Gupta R Garg I J Bahl P Bhartia Microstrip Lines and Slotlines 2nd ed

Norwood MAArtech House 1996

[12] T Namiki Y Murayama and K Ito ldquo Improving radiation-pattern distortion of a

patch antenna having a finite ground planerdquo IEEE Trans On Antenna and

Propagat vol 51 no 3 pp 478-482 Mar 2003

[13] R Coccioli F-R Yang K-P Ma and T Itoh ldquo Aperture-coupled patch antenna

on UC-PBG substraterdquo IEEE Trans Microwave Theory Tech vol 47 no 11 pp

2123-2130 Nov 1999

[14] F Yang and Y Rahmat-samii ldquo Microstrip antenna integrated with

electromagnetic band-gap (EBG) structure a low mutual coupling design for array

applicationrdquo IEEE Trans On Antenna and Propagat vol 51 no 10 pp

2936-2946 Oct2003

[15] Z Iluz R Shavit and R Bauer ldquo Microstrip antenna phased array with

electromagnetic bandgap substraterdquo IEEE Trans On Antenna and Propagat vol

52 no 6 pp 1446-1453 June 2004

  • 封面pdf
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false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP 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 FRA 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 ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP 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 FRA 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 ITA ltFEFF005500740069006c0069007a007a006100720065002000710075006500730074006500200069006d0070006f007300740061007a0069006f006e00690020007000650072002000630072006500610072006500200064006f00630075006d0065006e00740069002000410064006f006200650020005000440046002000700065007200200075006e00610020007300740061006d007000610020006400690020007100750061006c0069007400e00020007300750020007300740061006d00700061006e0074006900200065002000700072006f006f0066006500720020006400650073006b0074006f0070002e0020004900200064006f00630075006d0065006e007400690020005000440046002000630072006500610074006900200070006f00730073006f006e006f0020006500730073006500720065002000610070006500720074006900200063006f006e0020004100630072006f00620061007400200065002000410064006f00620065002000520065006100640065007200200035002e003000200065002000760065007200730069006f006e006900200073007500630063006500730073006900760065002egt JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB ltFEFF005500740069006c0069007a006500200065007300730061007300200063006f006e00660069006700750072006100e700f50065007300200064006500200066006f0072006d00610020006100200063007200690061007200200064006f00630075006d0065006e0074006f0073002000410064006f0062006500200050004400460020007000610072006100200069006d0070007200650073007300f5006500730020006400650020007100750061006c0069006400610064006500200065006d00200069006d00700072006500730073006f0072006100730020006400650073006b0074006f00700020006500200064006900730070006f00730069007400690076006f0073002000640065002000700072006f00760061002e0020004f007300200064006f00630075006d0065006e0074006f00730020005000440046002000630072006900610064006f007300200070006f00640065006d0020007300650072002000610062006500720074006f007300200063006f006d0020006f0020004100630072006f006200610074002000650020006f002000410064006f00620065002000520065006100640065007200200035002e0030002000650020007600650072007300f50065007300200070006f00730074006500720069006f007200650073002egt SUO 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 SVE ltFEFF0041006e007600e4006e00640020006400650020006800e4007200200069006e0073007400e4006c006c006e0069006e006700610072006e00610020006f006d002000640075002000760069006c006c00200073006b006100700061002000410064006f006200650020005000440046002d0064006f006b0075006d0065006e00740020006600f600720020006b00760061006c00690074006500740073007500740073006b0072006900660074006500720020007000e5002000760061006e006c00690067006100200073006b0072006900760061007200650020006f006300680020006600f600720020006b006f007200720065006b007400750072002e002000200053006b006100700061006400650020005000440046002d0064006f006b0075006d0065006e00740020006b0061006e002000f600700070006e00610073002000690020004100630072006f0062006100740020006f00630068002000410064006f00620065002000520065006100640065007200200035002e00300020006f00630068002000730065006e006100720065002egt ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP 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 FRA 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 ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

vii

圖 3-10有限接地面產生之輻射場型比較圖 31

圖 3-11介質中電場指向之強弱分布與感應磁流方向 32

圖 3-12天線周圍包覆 PMC33

圖 3-13天線周圍包覆 PMC 之輻射場型比較34

圖 3-14表面波在介質空間中分佈 35

圖 3-15輻射邊兩側包覆 PMC36

圖 3-16輻射邊兩側包覆 PMC 之輻射場型比較36

圖 3-17天線周圍包覆 EBG 之輻射場型比較 37

圖 3-18輻射邊兩側包覆 EBG 之輻射場型比較 38

圖 3-19較大接地面應用更多晶胞數改善輻射場型圖 39

圖 3-20原始天線陣列與應用 EBG 之天線陣列 40

圖 3-21原始天線陣列與應用 EBG 之天線陣列輻射場型比較 41

(a)34GHz41

(b)355GHz 41

(c)37GHz41

圖 3-22原始天線陣列與應用 EBG 之天線陣列與 ETSI-mask 比較 42

(a)34GHz42

(b)355GHz 42

(c)37GHz42

圖 3-23應用 EBG 之天線陣列結構圖 43

圖 3-24天線陣列輻射場型模擬與量測比較 44

(a)34GHz44

(b)355GHz 44

(c)37GHz45

圖 3-25天線陣列輻射場型與 ETSI-mask 比較 45

(a)34GHz45

viii

(b)355GHz 46

(c)37GHz46

圖 3-26天線陣列反射損耗模擬與量測比較 47

圖 3-27天線陣列增益對頻率圖 47

圖 3-28天線陣列實體圖 49

(a)俯視圖 49

(b)側視圖(空氣高度=05mm)49

(c)EBG 實體結構 49

ix

表 錄

表 2-1矩形微帶天線設計參數 11

表 2-2天線陣列設計參數 16

表 2-3ETSI-TS2 對輻射場型分布之要求18

表 2-4天線陣列增益對頻率表 21

表 3-1天線周圍包覆 PMC 之增益改善比較34

表 3-2輻射邊兩側包覆 PMC 之增益改善比較37

表 3-3天線周圍包覆 EBG 之增益改善比較 38

表 3-4輻射邊兩側包覆 EBG 之增益改善比較 39

表 3-5天線陣列設計參數 43

表 3-6天線陣列增益對頻率圖 48

1

第一章 導論

(Introduction)

11 工程背景與動機

近年來電信多媒體應用快速的成長及網路使用的普及化使用者需要的不

只是能夠在任何時間地點使用電信資訊服務且更需要增加使用頻寬及具有高傳

輸速率的無線通訊WiMAX(Worldwide Interoperability for Microwave Access)也

就是全球微波存取互通介面是一個逐漸發展的點對點或點對多點無線通訊網路

標準其不但可以提供使用者足夠的頻寬也能夠讓通訊服務業者不須要在地廣

人稀的地方佈線建立寬頻基礎建設而增加其營運成本因此許多開發中國家

及鄉村地區能透過建設 WiMAX 通訊系統以無線遠距寬頻的方式取代實體

寬頻佈線加速寬頻到家普及率

隨著無線通訊的興起天線所扮演的角色也日趨重要為了使資料的無線傳

輸達到寬頻要求天線的製作上就需要有一定的規範現行 WiMAX 覆蓋的頻段

有 253555 GHz(2500-26903400-36905250-5850 MHz)在每個國家各有不同

規定應用其中美規訂於 25GHz-269GHz而歐規訂於 34GHz-369GHz本論

文的天線陣列中心頻率設計於 355GHz為了符合 WiMAX 寬頻資料傳輸及涵蓋

範圍最大達 31 英哩的特性天線陣列的設計必須具有高增益及寬頻的特性因

此本論文的天線陣列以滿足歐洲電信標準局 (European Telecommunication

Standards Institute ETSI)規範為要求天線增益在全頻段須大於 14dBi而天線場

型符合 ETSI-TS2 mask

傳統上製作高增益天線以反射型天線[1]及透射型天線[2]為主為了減少

製作成本縮小體積我們使用了微帶天線陣列微帶天線的基本觀念早在 1950

年代就已經被提出微帶天線已應用於各方面需求針對微帶天線的寬頻設計方

2

式有利用厚空氣介質[3]饋入匹配電路[4]及使用間隙耦合貼片[5]來增加天線頻

寬另外由於有限接地面的限制會產生表面波在板材邊緣造成繞射現象使

天線的增益降低及輻射場型的扭曲為了抑制表面波的傳播我們使用電磁帶隙

(Electromagnetic Band-gap EBG)週期性結構讓某頻率範圍內禁止電磁波傳遞

這範圍也就是所謂的頻帶隙(Band-gap)由於 EBG 結構在頻帶隙產生了高阻抗表

面所以可以有效抑制表面波並提升天線性能

一般蘑菇型(mushroom)EBG 結構[6]雖易於抑制表面波的傳遞但其缺點為

製作不易因為它需要透過鉚釘(via)來達成以致增加許多成本因此在論文中

設計了無鉚釘的 EBG 結構以增加其實用性並且利用 EBG 排列包圍方式來結

合微帶天線改善輻射場型的扭曲[7]最後將結合 EBG 結構的高增益微帶天

線陣列進行實做及量測與模擬做統整與比較

12 章節介紹

本論文第二章介紹微帶貼片天線和陣列的基本原理及論文中所設計的天線

陣列結構第三章主要介紹電磁帶隙結構並對天線做一結合比較內容包括

電磁帶隙設計並使用於單一微帶天線及天線陣列最後模擬分析與量測比較

第四章為本文總結討論

3

第二章 基本理論與天線結構

(Basic Theory and Antenna Structure)

21 微帶貼片天線和陣列理論

211 微帶貼片天線理論

微帶貼片天線(Microstrip Patch Antenna)具有結構簡單製作方便高度實

用而且可以很容易地經由長度及寬度的控制來做效能微調等特性本論文中所

製作的高增益天線以縮小面積降低天線的剖面降低成本易於製作為主利

用微帶貼片天線的特色製作陣列以達到我們需要的高增益天線本論文中所設

計的天線陣列以矩形微帶貼片天線為主

矩形微帶貼片天線其結構包含了接地金屬面介電質基板還有饋入電路與

輻射金屬片如圖 2-1 所示

圖 2-1微帶貼片天線示意圖

4

其可以視為兩個相隔長度 L 的輻射槽(Radiating slot)每個槽的寬度相當於

基板的厚度 h長度則相當於貼片天線的 W理論上這兩個槽應該相距 λg2其

中 λg 為在介質中的波長在貼片天線中有兩個重要的參數等效介電常數

( effective dielectric constant )及等效貼片長度( effective length )由於貼片天線的

長和寬有限所以在天線邊緣附近的會有漏電場的現象此稱邊緣效應(edge

effect)而漏電場和貼片天線的寬度以及基板的介電常數厚度有關如果天線

的 L h 值遠大於 1則漏電場的現象不會太嚴重由於當考慮到邊緣效應貼片

天線上的電場在邊緣輻射時會同時經過介電材料及空氣所以等效介電常數便不

是原本板材的介電值藉由式(2-1)我們可以得到一等效介電常數 reffε 等效介電

常數的範圍通常為1 reff rε εlt lt

121 1 1 12 1

2 2r r

reffh W

W hε εε

minus+ minus ⎡ ⎤= + + lt⎢ ⎥⎣ ⎦ (2-1)

等效介電常數對於天線的 W 跟 L 有很大的影響貼片天線的寬度 W 是影響

天線輻射效率的最大因素其可由式(2-2)計算得知

12

0 12 2

rW λ ε minus+⎛ ⎞= ⎜ ⎟⎝ ⎠

(2-2)

而在天線輻射端的兩個槽因為邊緣效應的影響等效天線長度跟實際上的長度

會有2 LΔ 的差距由式(2-3)可以得到 LΔ

5

( )

( )

03 02640412

0258 08

reff

reff

WhL h

Wh

ε

ε

⎛ ⎞+ +⎜ ⎟⎝ ⎠Δ =⎛ ⎞minus +⎜ ⎟⎝ ⎠

(2-3)

得知 LΔ 後貼片天線的實際長度 2effL L L= minus Δ 其中 2eff gL λ= 微帶貼片天線

邊緣輸入阻抗一般介於 100~400 歐姆之間計算其輸入阻抗時可將天線的兩個

輻射槽各代表一並聯的導納 Y如圖 2-2 所示

圖 2-2微帶天線等效傳輸線電路圖

其中 G1 及 B1 的大小由天線的寬度 W 決定式(2-4)及式(2-5)為 W 與 G1 及 B1 的

關係式[9]由於在此討論的天線為矩形貼片天線天線兩邊的寬度會相同故

G2 及 B2 的大小分別與 G1 及 B1 相同而 Yc則為長度約為 2gλ 傳輸線的特性導

( )21 0

0 0

1 h1 01120 24

WG k hλ λ

⎡ ⎤= minus lt⎢ ⎥⎣ ⎦ (2-4)

01

0reff

k LBZ

εΔ= (2-5)

00

reff

hZW

ηε

= (2-6)

B1 G1 G2 B2

YC

6

求得導納之後由圖 2-2 等效傳輸線電路圖可得輸入阻抗 1in inR Y= 1 2inY Y Y= +

1Y 為槽一(slot1)的導納( 1 1 1Y G jB= + ) 2Y 為槽二(slot2)的導納( 2 2 2Y G jB= + )因

為共振長度為 2gλ 所以兩個輻射槽的電納相差 180∘( 1 2B B= minus )因此輸入導

納為 12G輸入阻抗則為 1 2R 天線的邊緣輸入阻抗求得之後我們可以利用 4λ

轉換線饋入與 50Ω接頭匹配方便饋入線(feeding line)的設計

212 陣列理論

設計天線陣列時其天線陣列的排列結構各元素間的距離各元素激發的

振幅與相位及單一元素的場型都會影響陣列的場型分佈[1]圖 2-3 為一點波源

等間距之線性陣列

圖 2-3點波源等間距之線性陣列

若元素間激發電流相位差為α一等能量饋入的天線陣列之陣列因子如式

(2-7)所示

1

00

AF cosN

jn

nA e dψ ψ β θ α

minus

=

= = +sum (2-7)

其中d為天線陣列元素的間距β 為波數θ為偏離Z軸之角度α 為元素間的相

位差

7

經過推導忽略其相位因子正歸化的陣列因子為

( ) ( )( )

sin 21sin 2

Nf

ψψ

⎡ ⎤= ⎢ ⎥

⎣ ⎦ (28)

在ψ =0時有最大值主波束的方向為

1cosdαθβ

minus ⎛ ⎞minus= ⎜ ⎟

⎝ ⎠ (29)

藉由陣列因子我們將可以預估理想狀況下天線陣列的輻射場型由於本論文天線

陣列由3times3陣列矩陣所組成且微帶天線場型是分佈在天線的垂射(broadside)方

向故在設計天線陣列的饋入網路時每個元素間所得到的能量應為等大小同

相位圖2-4及圖2-5分別為3times3天線陣列E-plane及H-plane在相同大小及相位時

所計算的陣列因子我們可以藉由適當間距的陣列因子與微帶天線的場型乘積

獲得理想上的天線陣列輻射場型分佈

8

圖 2-4在不同間距時E-plane 的陣列因子

圖 2-5在不同間距時H-plane 的陣列因子

9

22 天線結構

221 單一微帶貼片天線設計

由於微帶貼片天線是一共振型天線傳統上其頻寬較窄所以我們可以藉由

改變天線的形狀增加天線的共振路徑或者改變天線的結構以提高頻寬及增

設計微帶貼片天線時基板(substrate)影響天線效能較大的有三個參數介

質損耗(正比於 tanδ )介電常數( rε )以及厚度( h )其中介質損耗越小越好如

此可以提高天線效率及增益但相對的成本也較高而介電常數也是越小越好

如此可以增加頻寬提高天線的指向性及增益相對的天線的尺寸也越大厚度

則是越大越好如此可以提高天線效率及增益有效增加頻寬但厚度太大則容

易產生表面波使得部分能量被束缚在基板中無法輻射出去

基於上述基板對天線效能的影響以及本論文對頻寬及增益的要求我們採

用 FR4( 44rε = )玻璃纖維基板並且採用厚空氣介質如此可以有效降低等效介

電常數值及提高厚度藉以達到寬頻及高增益的特性如圖 2-6 所示

圖 2-6懸浮微帶線結構(Suspended microstrip line configuration)

10

如圖 2-6 加上 air gap 高度之後其等效介電常數會有所改變其可由式(2-10)

得到一近似值[10]

( )( )

rreff

r

h H hh H hε

εε+ minus⎡ ⎤⎣ ⎦=

+ minus (2-10)

另外懸浮微帶線的特性阻抗(假設 t=0)則由式(2-11)得到較精確的值以便設計

饋入網路[11]

2

0 10

2ln 12 re

FZu u

ηπ ε

⎡ ⎤⎛ ⎞⎢ ⎥= + + ⎜ ⎟⎢ ⎥⎝ ⎠⎣ ⎦ (2-11)

其中

( ) ( )07528306661 6 2 6 uF eπ minus= + minus (2-11a)

( )0 120η π= Ω Wuh

= (2-11b)

1

11 ln 1rer

h Wa bH h H h

εε

minus⎡ ⎤⎛ ⎞⎛ ⎞= + minus minus⎢ ⎥⎜ ⎟⎜ ⎟⎜ ⎟minus minus⎝ ⎠⎢ ⎥⎝ ⎠⎣ ⎦

(2-12)

其中

4

08621 0125ln haH h

⎡ ⎤⎛ ⎞= minus ⎜ ⎟⎢ ⎥minus⎝ ⎠⎣ ⎦ (2-12a)

4

04986 01397 ln hbH h

⎡ ⎤⎛ ⎞= minus ⎜ ⎟⎢ ⎥minus⎝ ⎠⎣ ⎦ (2-12b)

11

利用前面提到的矩形微帶天線基本理論將天線的寬度及長度求出把饋入網

路與天線元素在同一平面做一結合設計參數如表 2-1

Dielectric constant 44

Substrate thickness 08mm

Loss tangent 002

Air gap 5mm

Single patch size 416mm(W) x 335mm(L)

Feeding line width 0901mm

Feeding line length 1996mm

表 2-1矩形微帶天線設計參數

利用式(2-4)(2-5)及(2-6)求出天線邊緣的輸入阻抗再設計一四分之一波長

傳輸線饋入並以特性阻抗 Z0 的輸入埠進行模擬如圖 2-7 所示

圖 2-7矩形微帶貼片天線示意圖

Ground plane

65mm Patch antenna

W

L

Zt=9904Ω

Z0=50Ω

80mm

12

當天線共振時天線邊緣的輸入阻抗 inZ 可藉由 20in tZ Z Z= 計算得知接著

觀察中心頻率為 355GHz 的矩形微帶貼片天線其反射損耗與輻射場型圖 2-8

為反射損耗圖圖 2-9 為中心頻率 355GHz 模擬的輻射場型

圖 2-8矩形微帶貼片天線反射損耗

圖 2-9矩形微帶貼片天線在中心頻率 355GHz 模擬的輻射場型

Return Loss

13

222 高增益天線陣列設計

首先以微帶線並聯的饋入結構設計能量一分三的網路再利用傳輸線作阻

抗的匹配[13]最後再以其寬頻的特性饋入到天線陣列圖 2-10 為饋入網路示意

圖圖 2-11 及圖 2-12 分別為饋入網路之反射損耗(Return Loss)插入損耗

(Insertion Loss)以及各輸出埠相位圖

圖 2-10饋入網路示意圖

圖 2-11天線陣列饋入網路之反射損耗及插入損耗模擬圖

14

圖 2-12天線陣列饋入網路各輸出埠相位差

從圖 2-11 可以發現各輸出埠的能量在不同頻率的變化實線為埠一(port1)

的反射損耗其餘為埠二三及四的插入損耗在工作頻率的範圍輸出埠的能

量差值在 2dB 以內而每個輸出埠在工作頻率的相位差為 20deg以內

接著我們利用圖 2-10 的分歧器輸出埠接上天線三元天線陣列如圖 2-13

觀察其反射損耗(圖 2-14)與輻射場型(圖 2-15)

圖 2-13三元天線陣列

15

圖 2-14三元天線陣列反射損耗

圖 2-15三元天線陣列在中心頻率 355GHz 模擬的輻射場型

由圖 2-14圖 2-15 了解到反射損耗在工作頻段(34GHz~37GHz)滿足要求

觀察輻射場型發現增益已可達到 12dBi此時再利用一組能量一分三的分歧器

設計總天線陣列預計為三乘以三共九個元素的天線陣列設計參數如表 2-2

16

Dielectric constant(topbottom) 44 44

Substrate thickness(topbottom) 08mm 16mm

Loss tangent 002

Air gap 5mm

Upper substrate size 250mm x 200mm

Ground size 300mm x 250mm

表 2-2天線陣列設計參數

圖 2-16 為天線陣列結構圖由於饋入網路阻抗匹配與相位差對天線陣列影

響非常大所以設計其信號饋入端為 50Ω以符合實際上使用的 SMA 接頭使

饋入網路匹配

圖 2-16天線陣列結構俯視圖

17

圖 2-17 為天線陣列在(a)34GHz(b)355GHz(c)37GHz 的輻射場型從圖

中可看出模擬與量測的輻射場型相當接近增益也能達到要求

(a)34GHz

(b)355GHz

18

(c)37GHz

圖 2-17天線陣列輻射場型

天線結構確定之後對於其輻射場型的分布需求要符合 ETSI-TS2 的規範

表 2-3 為 ETSI-TS2 對輻射場型分布的要求以下針對輻射場型與 ETSI-mask 做

一比較如圖 2-18 所示從圖中發現除了 34GHz 些微超出標準之外其餘頻

段都能滿足輻射場型要求之後會將改善的部份再做比較

表 2-3ETSI-TS2 對輻射場型分布之要求

19

(a)34GHz

(b)355GHz

(c)37GHz

圖 2-18天線陣列輻射場型與 ETSI-mask 之比較

20

圖 2-19 為天線陣列模擬與量測的反射損耗其工作頻率與設計之天線相去

不遠均包含 34GHz~37GHz圖 2-20 為實際量測的增益對頻率的變化圖其

增益的全頻段都能大於 14dBi其中某些頻率點可看出 E-plane 與 H-plane 所量

測到的最大增益值並不相同這主要的原因在於由饋入網路輸出端在在不同頻率

會有些微的相位差所致使得天線的最大增益值會些微偏移一個角度不過基

本上的趨勢還是相近

圖 2-19天線陣列模擬與量測之反射損耗

21

圖 2-20天線陣列增益對頻率圖

頻率(GHz) 33 34 35 36 37 38

E-plane 增益

(dBi) 1457 1619 1702 1634 1568 1429

H-plane 增益

(dB) 1421 1582 1624 1607 1581 1434

表 2-4天線陣列增益對頻率表

22

(a)俯視圖

(b)側視圖

圖 2-21天線陣列實體圖(a)俯視圖(b)側視圖

23

第三章 電磁帶隙結構與應用

(Electromagnetic Band-Gap Structure and Its Applications )

31 單位晶胞設計與截止帶比較

在天線中通常在較高之基板厚度及較大之介電常數時容易產生表面波

干擾天線輻射為了阻止表面波的傳遞論文中設計了高阻抗表面也就是所謂

的電磁帶隙(EBG)結構能有效抑制表面波提升天線效能

在近幾年許多微波領域的研究文獻利用光子能隙(Photonic Band-Gap

PBG)的概念也就是在介電係數成週期性排列的三維介電材料中電磁波經介

電函數散射後某些波段的電磁波強度會因破壞性干涉而呈現衰減無法在系統

內傳遞而在頻譜上形成截止帶[7][8]應用這個觀念在平面式傳輸線上設計具

有週期性幾何結構的電路造成電磁波在某些頻段無法傳遞而達到濾波的效果

由於使用於微波頻段所以稱此種結構為電磁帶隙或電磁能隙(Electromagnetic

Band-Gap EBG)結構

一個 EBG 結構電路時為一個電路之接地面在沿著某方向或平面做週期性

幾何結構變化所構成的電路如圖 3-1

圖 3-1一維 EBG 結構電路圖

利用 EBG 電路的週期性幾何結構形成一個電磁波的截止帶實線一個具

有寬頻與良好效能的帶止濾波器(Bandstop Filter)本論文使用共平面緊密電磁

帶隙結構(Uniplanar Compact EBG)如圖 3-2取代傳統的完整或切割連結通道

CellCell Cell Cell Cell d d d d TL TL TL TL

24

的平面結構每個單位細胞間以細線做連結細線提供了主要的電感效應每個

單位細胞間以狹縫做為區隔細狹縫間之互容效應與單位細胞之平面電容提供

了主要電容效應利用並接的電感電容效應來達到一寬頻的截止帶

圖 3-2EBG 結構集總電路圖

為了得到我們需要的截止帶首先模擬一個理想傳輸線當對照組(圖 3-3)

使用了介電常數值為 44 的 FR4 電路板厚度為 16mm觀察其反射損耗與插入

損耗從圖 3-4 了解到傳輸線從 1GHz 到 15GHz 反射損耗皆在-20dB 以下插入

損耗-3dB 以上

圖 3-3微帶傳輸線

(a) 俯視圖

(b) 側視圖

25

圖 3-4微帶傳輸線之反射損耗與插入損耗

利用電磁帶隙週期性二維的重複結構如圖 3-5可以找到我們所需要的截止

帶從微帶線的插入損耗可以明顯得到所設計的截止帶頻段跟單位晶胞的大小

成正相關整體電路的等效電感與等效電容越大相對的頻帶也會往低頻跑

(a)正面俯視圖 (b)背面俯視圖

圖 3-5微帶線加上 EBG 結構正面與背面

26

改變單位晶胞大小與截止帶之比較分別從(圖 3-6)4mm2(圖 3-7)6mm2(圖

3-8)8mm2(圖 3-9)10mm2的晶胞大小可以控制截止帶落在哪些區域

(b)反射損耗

a b

g

gs

h

(a)單位晶胞大小

a = 4 mmb = 37 mm s = g = 03 mm h = 18 mm

a

27

圖 3-6微帶線加上 4mm2EBG 結構之晶胞大小與 S 參數比較

從圖 3-6 可以得知從 10GHz 到 12GHz 有一較深之截止帶14GHz 之後也有

截止頻帶只是實驗目標以低頻為主故只模擬到 15GHz繼續改變晶胞大小

來設計低頻截止帶

a b

g

gs

h

(a)單位晶胞大小

a = 6 mm b = 57 mm s = g = 03 mm h = 28 mm

a

(c)插入損耗

28

圖 3-7微帶線加上 6mm2EBG 結構之晶胞大小與 S 參數比較

讓 EBG 晶胞變大(6mm2)跟預期結果相符可以得到更低頻的截止帶低頻帶

從 7GHz 到 9GHz高頻帶 10GHz 之後仍然存在極深之截止帶

(b)S參數比較圖

a bg

gs

h

(a)單位晶胞大小

a = 8 mm b = 76 mm s = g = 04 mm h = 37 mm

a

29

圖 3-8微帶線加上 8mm2EBG 結構之晶胞大小與 S 參數比較

從圖 3-8 的結果得到更低頻的截止帶座落於 43GHz~58GHz 及

61GHz~7GHz 由 於 論 文 中 所 設 計 的 WiMAX 天 線 陣 列 工 作 頻 率 在

34GHz~37GHz故需再將晶胞大小改變讓系統能夠共振在更低頻處

(b)S參數比較圖

a bg

gs

h

(a)單位晶胞大小

a = 10 mm b = 93 mm s = g = 07 mm h = 42 mm

a

30

圖 3-9微帶線加上 10mm2EBG 結構之晶胞大小與 S 參數比較

將週期性電磁帶隙結構結合微帶線可以設計出需要的截止帶圖 3-9 主要

的截止帶在 325GHz~4GHz 及 465GHz~58GHz已經達到需求的頻帶範圍下

個目標將結合微帶天線做改善與比較

(b)S參數比較圖

31

32 電磁帶隙結構包圍方式之探討

321 有限接地面的探討

由於設計的微帶天線主要是在邊射(Broad-side)方向輻射所以需要選擇一個

適當的接地面大小讓輻射場型得到一個最佳值理論上來說無限大的接地面

可以得到最平滑(Smooth)的輻射場型只在單邊輻射不會受到地面干擾實際

上在有限的空間必須選擇一個適當大小的接地面以符合成本與面積要求

而有限的接地面卻容易造成邊緣效應干擾[12]表面波在接地面邊緣產生繞射場

(Diffracted fields)形成新的波源以陣列因子的觀點來看多了新的波源會造

成輻射場型加乘上的消長如圖 3-10微帶貼片天線主要是以前後兩側差半波

長之邊輻射而有限接地面則會在邊緣產生感應磁流(Induced equivalent

magnetic current)如圖 3-11從電場的指向可以推得磁流的方向對照輻射

場型容易在邊射方向造成波紋(Ripple)

圖 3-10有限接地面產生之輻射場型比較圖

L

32

圖 3-11介質中電場指向之強弱分布與感應磁流方向

由於接地面的大小在 E-plane 會產生波紋來干擾輻射場型所以論文中以

EBG 週期性結構來做為一個完美磁導體(Perfect Magnetic ConductorPMC)也

就是人工 PMC(Artificial PMC)抑制邊緣電場的垂直入射減弱感應磁流的效

應以改善天線輻射場型

322 天線周圍包覆 PMC

傳統上 EBG 以圍滿的方式來改善微帶天線之增益與輻射[13]並透過晶胞

數的不斷增加來提高增益及改善輻射場型但晶胞數的增加將提高成本加大

EBG 面積及天線整體體積高達一定數量時反而會降低天線性能對於微帶貼

片天線而言EBG 在接地面太靠近天線輻射邊反而影響其輻射機制造成頻率

飄移因此論文中將探討 EBG 的包圍方式對天線性能之影響以有最佳效果

已知高阻抗表面可以阻擋介質中表面波的傳遞因此先透過理想 PMC 來代

替所設計之高阻抗表面 EBG 結構以分析其特性找出提升天性能的最佳包圍

33

方式

首先把天線周圍包覆 PMC 如圖 3-12以逼近的方式慢慢擴大 PMC 的面積

一圈 PMC 的寬度與設計的晶胞大小邊長一樣從輻射場型來看使用到第二圈

時可以得到最佳的輻射效能如圖 3-13PMC 包圍有其最佳範圍取得有效的包

圍方式可以讓天線輻射最佳化

圖 3-12天線周圍包覆 PMC

34

圖 3-13天線周圍包覆 PMC 之輻射場型比較

參考天線 一圈 PMC 二圈 PMC 三圈 PMC

0 度增益 357dBi 432dBi 545dBi 478dBi

增益改善 075dB 188dB 121dB

表 3-1天線周圍包覆 PMC 之增益改善比較

35

323 輻射邊兩側包覆 PMC

由於微帶天線之表面波傳遞方向以 xz 切面為主如圖 3-14因此在微帶天線

輻射邊的兩側擺放 EBG 結構以抑制其傳遞有效改善天線輻射場型首先使

用理想的 PMC 在天線輻射邊兩側包覆如圖 3-15對於 PMC 覆蓋面積的大小作一

探討變化 PMC 之覆蓋面積了解其對天線輻射場型的影響在邊射(broadside)

方向的輻射場型可以有效改善波紋讓旁波瓣(sidelobe)大幅度降低如圖 3-16

所示以兩列 PMC 可以達到較佳效果再增加一列 PMC 雖些許增加增益不

過 PMC 覆蓋的面積已達飽和因此從上述可知在結合 EBG 和微帶天線時

將有一最佳之覆蓋面積使用最適當之晶胞數來達到最佳的增益改善

圖 3-14表面波在介質空間中分布

36

圖 3-15輻射邊兩側包覆 PMC

圖 3-16輻射邊兩側包覆 PMC 之輻射場型比較

37

參考天線 一列 PMC 二列 PMC 三列 PMC

0 度增益 357dBi 528dBi 642dBi 644dBi

增益改善 171dB 285dB 287dB

表 3-2輻射邊兩側包覆 PMC 之增益改善比較

33 電磁帶隙結構結合單一微帶天線

以下將結合所設計之 EBG 結構和微帶天線以改善微帶天線之輻射場型干

擾從前述的探討先以圍繞式包圍天線做輻射場型比較如圖 3-17 所示

圖 3-17天線周圍包覆 EBG 之輻射場型比較

38

0 度增益

Ref patch antenna 357dBi

圍繞 EBG 572dBi

ΔGain 215dB

表 3-3天線周圍包覆 EBG 之增益改善比較

由於表面波之傳遞主要為 X 軸方向因此以 EBG 之較寬頻的維度來抑制 X

方向的表面波其結合方式如下以兩列 EBG 結構與天線結合比較如圖 3-18

圖 3-18輻射邊兩側包覆 EBG 之輻射場型比較

39

0 度增益

Ref patch antenna 357dBi

輻射邊包覆 EBG 577dBi

ΔGain 22dB

表 3-4輻射邊兩側包覆 EBG 之增益改善比較

兩種包覆 EBG 的情形做比較使用輻射邊兩側包覆 EBG 對表面波抑制可以

達到最直接的效果再對接地面做變化令輻射邊到接地面邊緣距離等於 15 倍

空氣中波長邊緣的等效感應磁流干擾最大在垂射(broadside)方向造成 30 度到

60 度的旁波瓣將晶胞數加到三列使得輻射場型能有最佳效果如圖 3-19 所示

圖 3-19較大接地面應用更多晶胞數改善輻射場型圖

40

34 電磁帶隙結構結合微帶天線陣列

第二章敘述之高增益天線陣列由於在 E-plane 產生較大之旁波瓣因此論

文將結合 EBG 結構與天線陣列改善輻射場型以符合 ETSI-TS2 規範要求

對原本的天線陣列與改善後的天線陣列作一比較如圖 3-20 為天線結構示意圖

俯視圖 yz 切面為表面波影響較大的面因此我們在 E-plane 兩側包覆 EBG使

用三列的 EBG 週期結構另外圖 3-21 為(a)34GHz(b)355GHz(c)37GHz

輻射場型在 E-plane 的改善比較可以發現在(a)跟(b)改善的效果特別明顯旁波

瓣減弱許多而(c)原本旁波瓣就不大所以改善較不明顯再跟 ETSI-mask 做

比較如圖 3-22改善後的天線陣列距離輻射場型標準線有較大之安全距離對實

作上的誤差影響會比較小以下針對輻射場型做一比較

圖 3-20原始天線陣列與應用 EBG 之天線陣列

41

(a)34GHz E-plane 輻射場型比較

(b)355GHz E-plane 輻射場型比較

(c)37GHz E-plane 輻射場型比較

圖 3-21原始天線陣列與應用 EBG 之天線陣列輻射場型比較

(a)34GHz (b)355GHz (c)37GHz

42

(a)34GHz E-plane

(b)355GHz E-plane

(a)37GHz E-plane

圖 3-22原始天線陣列與應用 EBG 之天線陣列與 ETSI-mask 比較

(a)34GHz (b)355GHz (c)37GHz

43

35 模擬與量測結果比較

由上述模擬的結果進行實作及量測的工作如圖 3-23 為微帶天線結合 EBG

結構的架構表 3-5 列出了板材的規格使用的基板是 FR4 玻璃纖維基板並架高

空氣高度為 5mm

Dielectric constant(topbottom) 44 44

Substrate thickness(topbottom) 08mm 16mm

Loss tangent 002

Air gap 5mm

Upper substrate size 250mm x 200mm

Ground size 300mm x 250mm

表 3-5天線陣列設計參數

圖 3-23應用 EBG 之天線陣列結構圖

44

圖 3-24 為天線陣列在 34GHz355GHz37GHz 的輻射場型從圖中可以

觀察模擬與量測場型蠻相近的

(a)34GHz

(b)355GHz

45

(c)37GHz

圖 3-24天線陣列輻射場型模擬與量測比較

對於其輻射場型的分布需求要符合 ETSI-TS2 的規範以下針對輻射場型與

ETSI-mask 做一比較如圖 3-25 所示從圖中發現實作及量測輻射場型全部

工作頻段都能滿足 mask 要求完成一組高增益天線陣列

(a)34GHz

46

(b)355GHz

(c)37GHz

圖 3-25天線陣列輻射場型與 ETSI-mask 比較

圖 3-26 為天線陣列模擬與量測的反射損耗其工作頻率與設計之天線相去

不遠均包含 34GHz~37GHz頻寬設計較大的原因在於避免外在因素造成的頻

飄量測出來可達 33GHz~39GHz略往高頻飄不過與設計的反射損耗相當接

近圖 3-27 為實際量測的增益對頻率的變化圖其增益的全頻段都能大於

14dBiE-plane 與 H-plane 也較為接近整理數據如表 3-6

47

圖 3-26天線陣列反射損耗模擬與量測比較

圖 3-27天線陣列增益對頻率圖

48

頻率(GHz) 33 34 35 36 37 38

E-plane 增益

(dBi) 1485 1591 1620 1687 1627 1507

H-plane 增益

(dBi) 1421 1565 1598 1629 1607 1518

表 3-6天線陣列增益對頻率表

49

圖 3-28 為實體圖俯視圖側視圖與 EBG 實際大小比較

(a) 俯視圖

(b) 側視圖(空氣高度=05mm)

(c)EBG 實體結構

圖 3-28天線陣列實體圖

50

第四章 結論

(Conclusion)

本論文主要是研究適用於基地台的 WiMAX 頻段高增益天線陣列並控制其

頻寬增益及輻射場型能夠符合 ETSI(European Telecommunication Standards

Institute)的規範在論文第二章中提出的高增益天線陣列是利用一個能量分歧

器把能量等效分成三份的饋入網路接上三組一樣的三元素陣列矩形微帶天線所

組成的天線陣列最高增益可達到 17dBi工作頻率的增益都能超過要求的

14dBi輻射場型符合 ETSI-TS2 規範另外本論文所提出的天線陣列為印刷式

天線不但具有輕量化的特性且大幅降低製作上的困難度也減輕了成本的負擔

透過本論文所設計之 EBG 可有效降低傳統 EBG 結構的製程僅以 FR4 板

材即可自行實作比較無須鉚釘並提出有效提升微帶天線增益的包圍方式在

有限的接地面下可選擇適當的晶胞數來改善天線陣列的輻射場型抑制表面波

對天線的干擾讓邊際效應產生的感應磁流干擾降到最低最後在實作及量測部

分驗證我們模擬的結果

51

參考文獻

[1] W L Stutzman and G A Thiele Antenna Theory and Design 2nd ed New York

Wiley 1998

[2] A Balanis Antenna Theory Analysis and Design New York Wiley 1997

[3] R Gardelli G La Cono and M Albani ldquoA low-cost suspended patch antenna for

WLAN access points and point-to-point linksrdquo IEEE Antennas and Propagat vol

3 no 1 pp 90-93 2004

[4] H F Pues and A R Van de capelle ldquoAn impedance-matching technique for

increasing the bandwidth of microstrip antennasrdquo IEEE Trans on Antennas and

Propagat vol 37 no 11 pp 1345-1354 Nov 1989

[5] Q Song and XndashX Zhang ldquoA study on wideband gap-coupled microstrip antenna

arraysrdquo IEEE Trans On Antennas and Propagat vol 43 no 3 pp 313-317 Mar

1995

[6] D Sievenpiper L Z Romulo F J Broas N G Alexopolous and E Yablonovitch

ldquoHigh-impedance electromagnetic surfaces with a forbidden frequency bandrdquo

IEEE Trans Microwave Theory Tech vol 47 no 11 pp 311-335 Nov 1999

[7] F-R Yang K-P Ma Y Qian and T Itoh ldquo A Uniplanar Compact

Photonic-Bandgap (UC-PBG) Structure and Its Applications for Microwave

Circuitsrdquo IEEE Trans MTT vol 47 Aug 1999

[8] M F Abedin M Z Azad and M Ali ldquo wideband smaller unit-cell planar EBG

structures and their applicationrdquo IEEE Trans On Antenna and Propagat vol 56

no 3 pp 903-908 Mar 2008

[9] I J Bahl and P Bhartia Microstrip Antennas Artech House 1980

[10] JR James and P S Hall Handbook of Microstrip Antennas LondonPeter

Peregrinus Ltd 1989

52

[11] K C Gupta R Garg I J Bahl P Bhartia Microstrip Lines and Slotlines 2nd ed

Norwood MAArtech House 1996

[12] T Namiki Y Murayama and K Ito ldquo Improving radiation-pattern distortion of a

patch antenna having a finite ground planerdquo IEEE Trans On Antenna and

Propagat vol 51 no 3 pp 478-482 Mar 2003

[13] R Coccioli F-R Yang K-P Ma and T Itoh ldquo Aperture-coupled patch antenna

on UC-PBG substraterdquo IEEE Trans Microwave Theory Tech vol 47 no 11 pp

2123-2130 Nov 1999

[14] F Yang and Y Rahmat-samii ldquo Microstrip antenna integrated with

electromagnetic band-gap (EBG) structure a low mutual coupling design for array

applicationrdquo IEEE Trans On Antenna and Propagat vol 51 no 10 pp

2936-2946 Oct2003

[15] Z Iluz R Shavit and R Bauer ldquo Microstrip antenna phased array with

electromagnetic bandgap substraterdquo IEEE Trans On Antenna and Propagat vol

52 no 6 pp 1446-1453 June 2004

  • 封面pdf
  • 摘要與目錄pdf
  • 論文_終稿_pdf
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false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP ltFEFF005500740069006c0069006300650020006500730074006100200063006f006e0066006900670075007200610063006900f3006e0020007000610072006100200063007200650061007200200064006f00630075006d0065006e0074006f0073002000640065002000410064006f0062006500200050004400460020007000610072006100200063006f006e00730065006700750069007200200069006d0070007200650073006900f3006e002000640065002000630061006c006900640061006400200065006e00200069006d0070007200650073006f0072006100730020006400650020006500730063007200690074006f00720069006f00200079002000680065007200720061006d00690065006e00740061007300200064006500200063006f00720072006500630063006900f3006e002e002000530065002000700075006500640065006e00200061006200720069007200200064006f00630075006d0065006e0074006f00730020005000440046002000630072006500610064006f007300200063006f006e0020004100630072006f006200610074002c002000410064006f00620065002000520065006100640065007200200035002e003000200079002000760065007200730069006f006e0065007300200070006f00730074006500720069006f007200650073002egt FRA ltFEFF005500740069006c006900730065007a00200063006500730020006f007000740069006f006e00730020006100660069006e00200064006500200063007200e900650072002000640065007300200064006f00630075006d0065006e00740073002000410064006f00620065002000500044004600200070006f007500720020006400650073002000e90070007200650075007600650073002000650074002000640065007300200069006d007000720065007300730069006f006e00730020006400650020006800610075007400650020007100750061006c0069007400e90020007300750072002000640065007300200069006d007000720069006d0061006e0074006500730020006400650020006200750072006500610075002e0020004c0065007300200064006f00630075006d0065006e00740073002000500044004600200063007200e900e90073002000700065007500760065006e0074002000ea0074007200650020006f007500760065007200740073002000640061006e00730020004100630072006f006200610074002c002000610069006e00730069002000710075002700410064006f00620065002000520065006100640065007200200035002e0030002000650074002000760065007200730069006f006e007300200075006c007400e90072006900650075007200650073002egt 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB ltFEFF005500740069006c0069007a006500200065007300730061007300200063006f006e00660069006700750072006100e700f50065007300200064006500200066006f0072006d00610020006100200063007200690061007200200064006f00630075006d0065006e0074006f0073002000410064006f0062006500200050004400460020007000610072006100200069006d0070007200650073007300f5006500730020006400650020007100750061006c0069006400610064006500200065006d00200069006d00700072006500730073006f0072006100730020006400650073006b0074006f00700020006500200064006900730070006f00730069007400690076006f0073002000640065002000700072006f00760061002e0020004f007300200064006f00630075006d0065006e0074006f00730020005000440046002000630072006900610064006f007300200070006f00640065006d0020007300650072002000610062006500720074006f007300200063006f006d0020006f0020004100630072006f006200610074002000650020006f002000410064006f00620065002000520065006100640065007200200035002e0030002000650020007600650072007300f50065007300200070006f00730074006500720069006f007200650073002egt SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP 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 FRA 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 ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU ltFEFF00560065007200770065006e00640065006e0020005300690065002000640069006500730065002000450069006e007300740065006c006c0075006e00670065006e0020007a0075006d002000450072007300740065006c006c0065006e00200076006f006e002000410064006f006200650020005000440046002d0044006f006b0075006d0065006e00740065006e002c00200076006f006e002000640065006e0065006e002000530069006500200068006f00630068007700650072007400690067006500200044007200750063006b006500200061007500660020004400650073006b0074006f0070002d0044007200750063006b00650072006e00200075006e0064002000500072006f006f0066002d00470065007200e400740065006e002000650072007a0065007500670065006e0020006d00f60063006800740065006e002e002000450072007300740065006c006c007400650020005000440046002d0044006f006b0075006d0065006e007400650020006b00f6006e006e0065006e0020006d006900740020004100630072006f00620061007400200075006e0064002000410064006f00620065002000520065006100640065007200200035002e00300020006f0064006500720020006800f600680065007200200067006500f600660066006e00650074002000770065007200640065006e002egt ESP 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 FRA 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 ITA ltFEFF005500740069006c0069007a007a006100720065002000710075006500730074006500200069006d0070006f007300740061007a0069006f006e00690020007000650072002000630072006500610072006500200064006f00630075006d0065006e00740069002000410064006f006200650020005000440046002000700065007200200075006e00610020007300740061006d007000610020006400690020007100750061006c0069007400e00020007300750020007300740061006d00700061006e0074006900200065002000700072006f006f0066006500720020006400650073006b0074006f0070002e0020004900200064006f00630075006d0065006e007400690020005000440046002000630072006500610074006900200070006f00730073006f006e006f0020006500730073006500720065002000610070006500720074006900200063006f006e0020004100630072006f00620061007400200065002000410064006f00620065002000520065006100640065007200200035002e003000200065002000760065007200730069006f006e006900200073007500630063006500730073006900760065002egt JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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viii

(b)355GHz 46

(c)37GHz46

圖 3-26天線陣列反射損耗模擬與量測比較 47

圖 3-27天線陣列增益對頻率圖 47

圖 3-28天線陣列實體圖 49

(a)俯視圖 49

(b)側視圖(空氣高度=05mm)49

(c)EBG 實體結構 49

ix

表 錄

表 2-1矩形微帶天線設計參數 11

表 2-2天線陣列設計參數 16

表 2-3ETSI-TS2 對輻射場型分布之要求18

表 2-4天線陣列增益對頻率表 21

表 3-1天線周圍包覆 PMC 之增益改善比較34

表 3-2輻射邊兩側包覆 PMC 之增益改善比較37

表 3-3天線周圍包覆 EBG 之增益改善比較 38

表 3-4輻射邊兩側包覆 EBG 之增益改善比較 39

表 3-5天線陣列設計參數 43

表 3-6天線陣列增益對頻率圖 48

1

第一章 導論

(Introduction)

11 工程背景與動機

近年來電信多媒體應用快速的成長及網路使用的普及化使用者需要的不

只是能夠在任何時間地點使用電信資訊服務且更需要增加使用頻寬及具有高傳

輸速率的無線通訊WiMAX(Worldwide Interoperability for Microwave Access)也

就是全球微波存取互通介面是一個逐漸發展的點對點或點對多點無線通訊網路

標準其不但可以提供使用者足夠的頻寬也能夠讓通訊服務業者不須要在地廣

人稀的地方佈線建立寬頻基礎建設而增加其營運成本因此許多開發中國家

及鄉村地區能透過建設 WiMAX 通訊系統以無線遠距寬頻的方式取代實體

寬頻佈線加速寬頻到家普及率

隨著無線通訊的興起天線所扮演的角色也日趨重要為了使資料的無線傳

輸達到寬頻要求天線的製作上就需要有一定的規範現行 WiMAX 覆蓋的頻段

有 253555 GHz(2500-26903400-36905250-5850 MHz)在每個國家各有不同

規定應用其中美規訂於 25GHz-269GHz而歐規訂於 34GHz-369GHz本論

文的天線陣列中心頻率設計於 355GHz為了符合 WiMAX 寬頻資料傳輸及涵蓋

範圍最大達 31 英哩的特性天線陣列的設計必須具有高增益及寬頻的特性因

此本論文的天線陣列以滿足歐洲電信標準局 (European Telecommunication

Standards Institute ETSI)規範為要求天線增益在全頻段須大於 14dBi而天線場

型符合 ETSI-TS2 mask

傳統上製作高增益天線以反射型天線[1]及透射型天線[2]為主為了減少

製作成本縮小體積我們使用了微帶天線陣列微帶天線的基本觀念早在 1950

年代就已經被提出微帶天線已應用於各方面需求針對微帶天線的寬頻設計方

2

式有利用厚空氣介質[3]饋入匹配電路[4]及使用間隙耦合貼片[5]來增加天線頻

寬另外由於有限接地面的限制會產生表面波在板材邊緣造成繞射現象使

天線的增益降低及輻射場型的扭曲為了抑制表面波的傳播我們使用電磁帶隙

(Electromagnetic Band-gap EBG)週期性結構讓某頻率範圍內禁止電磁波傳遞

這範圍也就是所謂的頻帶隙(Band-gap)由於 EBG 結構在頻帶隙產生了高阻抗表

面所以可以有效抑制表面波並提升天線性能

一般蘑菇型(mushroom)EBG 結構[6]雖易於抑制表面波的傳遞但其缺點為

製作不易因為它需要透過鉚釘(via)來達成以致增加許多成本因此在論文中

設計了無鉚釘的 EBG 結構以增加其實用性並且利用 EBG 排列包圍方式來結

合微帶天線改善輻射場型的扭曲[7]最後將結合 EBG 結構的高增益微帶天

線陣列進行實做及量測與模擬做統整與比較

12 章節介紹

本論文第二章介紹微帶貼片天線和陣列的基本原理及論文中所設計的天線

陣列結構第三章主要介紹電磁帶隙結構並對天線做一結合比較內容包括

電磁帶隙設計並使用於單一微帶天線及天線陣列最後模擬分析與量測比較

第四章為本文總結討論

3

第二章 基本理論與天線結構

(Basic Theory and Antenna Structure)

21 微帶貼片天線和陣列理論

211 微帶貼片天線理論

微帶貼片天線(Microstrip Patch Antenna)具有結構簡單製作方便高度實

用而且可以很容易地經由長度及寬度的控制來做效能微調等特性本論文中所

製作的高增益天線以縮小面積降低天線的剖面降低成本易於製作為主利

用微帶貼片天線的特色製作陣列以達到我們需要的高增益天線本論文中所設

計的天線陣列以矩形微帶貼片天線為主

矩形微帶貼片天線其結構包含了接地金屬面介電質基板還有饋入電路與

輻射金屬片如圖 2-1 所示

圖 2-1微帶貼片天線示意圖

4

其可以視為兩個相隔長度 L 的輻射槽(Radiating slot)每個槽的寬度相當於

基板的厚度 h長度則相當於貼片天線的 W理論上這兩個槽應該相距 λg2其

中 λg 為在介質中的波長在貼片天線中有兩個重要的參數等效介電常數

( effective dielectric constant )及等效貼片長度( effective length )由於貼片天線的

長和寬有限所以在天線邊緣附近的會有漏電場的現象此稱邊緣效應(edge

effect)而漏電場和貼片天線的寬度以及基板的介電常數厚度有關如果天線

的 L h 值遠大於 1則漏電場的現象不會太嚴重由於當考慮到邊緣效應貼片

天線上的電場在邊緣輻射時會同時經過介電材料及空氣所以等效介電常數便不

是原本板材的介電值藉由式(2-1)我們可以得到一等效介電常數 reffε 等效介電

常數的範圍通常為1 reff rε εlt lt

121 1 1 12 1

2 2r r

reffh W

W hε εε

minus+ minus ⎡ ⎤= + + lt⎢ ⎥⎣ ⎦ (2-1)

等效介電常數對於天線的 W 跟 L 有很大的影響貼片天線的寬度 W 是影響

天線輻射效率的最大因素其可由式(2-2)計算得知

12

0 12 2

rW λ ε minus+⎛ ⎞= ⎜ ⎟⎝ ⎠

(2-2)

而在天線輻射端的兩個槽因為邊緣效應的影響等效天線長度跟實際上的長度

會有2 LΔ 的差距由式(2-3)可以得到 LΔ

5

( )

( )

03 02640412

0258 08

reff

reff

WhL h

Wh

ε

ε

⎛ ⎞+ +⎜ ⎟⎝ ⎠Δ =⎛ ⎞minus +⎜ ⎟⎝ ⎠

(2-3)

得知 LΔ 後貼片天線的實際長度 2effL L L= minus Δ 其中 2eff gL λ= 微帶貼片天線

邊緣輸入阻抗一般介於 100~400 歐姆之間計算其輸入阻抗時可將天線的兩個

輻射槽各代表一並聯的導納 Y如圖 2-2 所示

圖 2-2微帶天線等效傳輸線電路圖

其中 G1 及 B1 的大小由天線的寬度 W 決定式(2-4)及式(2-5)為 W 與 G1 及 B1 的

關係式[9]由於在此討論的天線為矩形貼片天線天線兩邊的寬度會相同故

G2 及 B2 的大小分別與 G1 及 B1 相同而 Yc則為長度約為 2gλ 傳輸線的特性導

( )21 0

0 0

1 h1 01120 24

WG k hλ λ

⎡ ⎤= minus lt⎢ ⎥⎣ ⎦ (2-4)

01

0reff

k LBZ

εΔ= (2-5)

00

reff

hZW

ηε

= (2-6)

B1 G1 G2 B2

YC

6

求得導納之後由圖 2-2 等效傳輸線電路圖可得輸入阻抗 1in inR Y= 1 2inY Y Y= +

1Y 為槽一(slot1)的導納( 1 1 1Y G jB= + ) 2Y 為槽二(slot2)的導納( 2 2 2Y G jB= + )因

為共振長度為 2gλ 所以兩個輻射槽的電納相差 180∘( 1 2B B= minus )因此輸入導

納為 12G輸入阻抗則為 1 2R 天線的邊緣輸入阻抗求得之後我們可以利用 4λ

轉換線饋入與 50Ω接頭匹配方便饋入線(feeding line)的設計

212 陣列理論

設計天線陣列時其天線陣列的排列結構各元素間的距離各元素激發的

振幅與相位及單一元素的場型都會影響陣列的場型分佈[1]圖 2-3 為一點波源

等間距之線性陣列

圖 2-3點波源等間距之線性陣列

若元素間激發電流相位差為α一等能量饋入的天線陣列之陣列因子如式

(2-7)所示

1

00

AF cosN

jn

nA e dψ ψ β θ α

minus

=

= = +sum (2-7)

其中d為天線陣列元素的間距β 為波數θ為偏離Z軸之角度α 為元素間的相

位差

7

經過推導忽略其相位因子正歸化的陣列因子為

( ) ( )( )

sin 21sin 2

Nf

ψψ

⎡ ⎤= ⎢ ⎥

⎣ ⎦ (28)

在ψ =0時有最大值主波束的方向為

1cosdαθβ

minus ⎛ ⎞minus= ⎜ ⎟

⎝ ⎠ (29)

藉由陣列因子我們將可以預估理想狀況下天線陣列的輻射場型由於本論文天線

陣列由3times3陣列矩陣所組成且微帶天線場型是分佈在天線的垂射(broadside)方

向故在設計天線陣列的饋入網路時每個元素間所得到的能量應為等大小同

相位圖2-4及圖2-5分別為3times3天線陣列E-plane及H-plane在相同大小及相位時

所計算的陣列因子我們可以藉由適當間距的陣列因子與微帶天線的場型乘積

獲得理想上的天線陣列輻射場型分佈

8

圖 2-4在不同間距時E-plane 的陣列因子

圖 2-5在不同間距時H-plane 的陣列因子

9

22 天線結構

221 單一微帶貼片天線設計

由於微帶貼片天線是一共振型天線傳統上其頻寬較窄所以我們可以藉由

改變天線的形狀增加天線的共振路徑或者改變天線的結構以提高頻寬及增

設計微帶貼片天線時基板(substrate)影響天線效能較大的有三個參數介

質損耗(正比於 tanδ )介電常數( rε )以及厚度( h )其中介質損耗越小越好如

此可以提高天線效率及增益但相對的成本也較高而介電常數也是越小越好

如此可以增加頻寬提高天線的指向性及增益相對的天線的尺寸也越大厚度

則是越大越好如此可以提高天線效率及增益有效增加頻寬但厚度太大則容

易產生表面波使得部分能量被束缚在基板中無法輻射出去

基於上述基板對天線效能的影響以及本論文對頻寬及增益的要求我們採

用 FR4( 44rε = )玻璃纖維基板並且採用厚空氣介質如此可以有效降低等效介

電常數值及提高厚度藉以達到寬頻及高增益的特性如圖 2-6 所示

圖 2-6懸浮微帶線結構(Suspended microstrip line configuration)

10

如圖 2-6 加上 air gap 高度之後其等效介電常數會有所改變其可由式(2-10)

得到一近似值[10]

( )( )

rreff

r

h H hh H hε

εε+ minus⎡ ⎤⎣ ⎦=

+ minus (2-10)

另外懸浮微帶線的特性阻抗(假設 t=0)則由式(2-11)得到較精確的值以便設計

饋入網路[11]

2

0 10

2ln 12 re

FZu u

ηπ ε

⎡ ⎤⎛ ⎞⎢ ⎥= + + ⎜ ⎟⎢ ⎥⎝ ⎠⎣ ⎦ (2-11)

其中

( ) ( )07528306661 6 2 6 uF eπ minus= + minus (2-11a)

( )0 120η π= Ω Wuh

= (2-11b)

1

11 ln 1rer

h Wa bH h H h

εε

minus⎡ ⎤⎛ ⎞⎛ ⎞= + minus minus⎢ ⎥⎜ ⎟⎜ ⎟⎜ ⎟minus minus⎝ ⎠⎢ ⎥⎝ ⎠⎣ ⎦

(2-12)

其中

4

08621 0125ln haH h

⎡ ⎤⎛ ⎞= minus ⎜ ⎟⎢ ⎥minus⎝ ⎠⎣ ⎦ (2-12a)

4

04986 01397 ln hbH h

⎡ ⎤⎛ ⎞= minus ⎜ ⎟⎢ ⎥minus⎝ ⎠⎣ ⎦ (2-12b)

11

利用前面提到的矩形微帶天線基本理論將天線的寬度及長度求出把饋入網

路與天線元素在同一平面做一結合設計參數如表 2-1

Dielectric constant 44

Substrate thickness 08mm

Loss tangent 002

Air gap 5mm

Single patch size 416mm(W) x 335mm(L)

Feeding line width 0901mm

Feeding line length 1996mm

表 2-1矩形微帶天線設計參數

利用式(2-4)(2-5)及(2-6)求出天線邊緣的輸入阻抗再設計一四分之一波長

傳輸線饋入並以特性阻抗 Z0 的輸入埠進行模擬如圖 2-7 所示

圖 2-7矩形微帶貼片天線示意圖

Ground plane

65mm Patch antenna

W

L

Zt=9904Ω

Z0=50Ω

80mm

12

當天線共振時天線邊緣的輸入阻抗 inZ 可藉由 20in tZ Z Z= 計算得知接著

觀察中心頻率為 355GHz 的矩形微帶貼片天線其反射損耗與輻射場型圖 2-8

為反射損耗圖圖 2-9 為中心頻率 355GHz 模擬的輻射場型

圖 2-8矩形微帶貼片天線反射損耗

圖 2-9矩形微帶貼片天線在中心頻率 355GHz 模擬的輻射場型

Return Loss

13

222 高增益天線陣列設計

首先以微帶線並聯的饋入結構設計能量一分三的網路再利用傳輸線作阻

抗的匹配[13]最後再以其寬頻的特性饋入到天線陣列圖 2-10 為饋入網路示意

圖圖 2-11 及圖 2-12 分別為饋入網路之反射損耗(Return Loss)插入損耗

(Insertion Loss)以及各輸出埠相位圖

圖 2-10饋入網路示意圖

圖 2-11天線陣列饋入網路之反射損耗及插入損耗模擬圖

14

圖 2-12天線陣列饋入網路各輸出埠相位差

從圖 2-11 可以發現各輸出埠的能量在不同頻率的變化實線為埠一(port1)

的反射損耗其餘為埠二三及四的插入損耗在工作頻率的範圍輸出埠的能

量差值在 2dB 以內而每個輸出埠在工作頻率的相位差為 20deg以內

接著我們利用圖 2-10 的分歧器輸出埠接上天線三元天線陣列如圖 2-13

觀察其反射損耗(圖 2-14)與輻射場型(圖 2-15)

圖 2-13三元天線陣列

15

圖 2-14三元天線陣列反射損耗

圖 2-15三元天線陣列在中心頻率 355GHz 模擬的輻射場型

由圖 2-14圖 2-15 了解到反射損耗在工作頻段(34GHz~37GHz)滿足要求

觀察輻射場型發現增益已可達到 12dBi此時再利用一組能量一分三的分歧器

設計總天線陣列預計為三乘以三共九個元素的天線陣列設計參數如表 2-2

16

Dielectric constant(topbottom) 44 44

Substrate thickness(topbottom) 08mm 16mm

Loss tangent 002

Air gap 5mm

Upper substrate size 250mm x 200mm

Ground size 300mm x 250mm

表 2-2天線陣列設計參數

圖 2-16 為天線陣列結構圖由於饋入網路阻抗匹配與相位差對天線陣列影

響非常大所以設計其信號饋入端為 50Ω以符合實際上使用的 SMA 接頭使

饋入網路匹配

圖 2-16天線陣列結構俯視圖

17

圖 2-17 為天線陣列在(a)34GHz(b)355GHz(c)37GHz 的輻射場型從圖

中可看出模擬與量測的輻射場型相當接近增益也能達到要求

(a)34GHz

(b)355GHz

18

(c)37GHz

圖 2-17天線陣列輻射場型

天線結構確定之後對於其輻射場型的分布需求要符合 ETSI-TS2 的規範

表 2-3 為 ETSI-TS2 對輻射場型分布的要求以下針對輻射場型與 ETSI-mask 做

一比較如圖 2-18 所示從圖中發現除了 34GHz 些微超出標準之外其餘頻

段都能滿足輻射場型要求之後會將改善的部份再做比較

表 2-3ETSI-TS2 對輻射場型分布之要求

19

(a)34GHz

(b)355GHz

(c)37GHz

圖 2-18天線陣列輻射場型與 ETSI-mask 之比較

20

圖 2-19 為天線陣列模擬與量測的反射損耗其工作頻率與設計之天線相去

不遠均包含 34GHz~37GHz圖 2-20 為實際量測的增益對頻率的變化圖其

增益的全頻段都能大於 14dBi其中某些頻率點可看出 E-plane 與 H-plane 所量

測到的最大增益值並不相同這主要的原因在於由饋入網路輸出端在在不同頻率

會有些微的相位差所致使得天線的最大增益值會些微偏移一個角度不過基

本上的趨勢還是相近

圖 2-19天線陣列模擬與量測之反射損耗

21

圖 2-20天線陣列增益對頻率圖

頻率(GHz) 33 34 35 36 37 38

E-plane 增益

(dBi) 1457 1619 1702 1634 1568 1429

H-plane 增益

(dB) 1421 1582 1624 1607 1581 1434

表 2-4天線陣列增益對頻率表

22

(a)俯視圖

(b)側視圖

圖 2-21天線陣列實體圖(a)俯視圖(b)側視圖

23

第三章 電磁帶隙結構與應用

(Electromagnetic Band-Gap Structure and Its Applications )

31 單位晶胞設計與截止帶比較

在天線中通常在較高之基板厚度及較大之介電常數時容易產生表面波

干擾天線輻射為了阻止表面波的傳遞論文中設計了高阻抗表面也就是所謂

的電磁帶隙(EBG)結構能有效抑制表面波提升天線效能

在近幾年許多微波領域的研究文獻利用光子能隙(Photonic Band-Gap

PBG)的概念也就是在介電係數成週期性排列的三維介電材料中電磁波經介

電函數散射後某些波段的電磁波強度會因破壞性干涉而呈現衰減無法在系統

內傳遞而在頻譜上形成截止帶[7][8]應用這個觀念在平面式傳輸線上設計具

有週期性幾何結構的電路造成電磁波在某些頻段無法傳遞而達到濾波的效果

由於使用於微波頻段所以稱此種結構為電磁帶隙或電磁能隙(Electromagnetic

Band-Gap EBG)結構

一個 EBG 結構電路時為一個電路之接地面在沿著某方向或平面做週期性

幾何結構變化所構成的電路如圖 3-1

圖 3-1一維 EBG 結構電路圖

利用 EBG 電路的週期性幾何結構形成一個電磁波的截止帶實線一個具

有寬頻與良好效能的帶止濾波器(Bandstop Filter)本論文使用共平面緊密電磁

帶隙結構(Uniplanar Compact EBG)如圖 3-2取代傳統的完整或切割連結通道

CellCell Cell Cell Cell d d d d TL TL TL TL

24

的平面結構每個單位細胞間以細線做連結細線提供了主要的電感效應每個

單位細胞間以狹縫做為區隔細狹縫間之互容效應與單位細胞之平面電容提供

了主要電容效應利用並接的電感電容效應來達到一寬頻的截止帶

圖 3-2EBG 結構集總電路圖

為了得到我們需要的截止帶首先模擬一個理想傳輸線當對照組(圖 3-3)

使用了介電常數值為 44 的 FR4 電路板厚度為 16mm觀察其反射損耗與插入

損耗從圖 3-4 了解到傳輸線從 1GHz 到 15GHz 反射損耗皆在-20dB 以下插入

損耗-3dB 以上

圖 3-3微帶傳輸線

(a) 俯視圖

(b) 側視圖

25

圖 3-4微帶傳輸線之反射損耗與插入損耗

利用電磁帶隙週期性二維的重複結構如圖 3-5可以找到我們所需要的截止

帶從微帶線的插入損耗可以明顯得到所設計的截止帶頻段跟單位晶胞的大小

成正相關整體電路的等效電感與等效電容越大相對的頻帶也會往低頻跑

(a)正面俯視圖 (b)背面俯視圖

圖 3-5微帶線加上 EBG 結構正面與背面

26

改變單位晶胞大小與截止帶之比較分別從(圖 3-6)4mm2(圖 3-7)6mm2(圖

3-8)8mm2(圖 3-9)10mm2的晶胞大小可以控制截止帶落在哪些區域

(b)反射損耗

a b

g

gs

h

(a)單位晶胞大小

a = 4 mmb = 37 mm s = g = 03 mm h = 18 mm

a

27

圖 3-6微帶線加上 4mm2EBG 結構之晶胞大小與 S 參數比較

從圖 3-6 可以得知從 10GHz 到 12GHz 有一較深之截止帶14GHz 之後也有

截止頻帶只是實驗目標以低頻為主故只模擬到 15GHz繼續改變晶胞大小

來設計低頻截止帶

a b

g

gs

h

(a)單位晶胞大小

a = 6 mm b = 57 mm s = g = 03 mm h = 28 mm

a

(c)插入損耗

28

圖 3-7微帶線加上 6mm2EBG 結構之晶胞大小與 S 參數比較

讓 EBG 晶胞變大(6mm2)跟預期結果相符可以得到更低頻的截止帶低頻帶

從 7GHz 到 9GHz高頻帶 10GHz 之後仍然存在極深之截止帶

(b)S參數比較圖

a bg

gs

h

(a)單位晶胞大小

a = 8 mm b = 76 mm s = g = 04 mm h = 37 mm

a

29

圖 3-8微帶線加上 8mm2EBG 結構之晶胞大小與 S 參數比較

從圖 3-8 的結果得到更低頻的截止帶座落於 43GHz~58GHz 及

61GHz~7GHz 由 於 論 文 中 所 設 計 的 WiMAX 天 線 陣 列 工 作 頻 率 在

34GHz~37GHz故需再將晶胞大小改變讓系統能夠共振在更低頻處

(b)S參數比較圖

a bg

gs

h

(a)單位晶胞大小

a = 10 mm b = 93 mm s = g = 07 mm h = 42 mm

a

30

圖 3-9微帶線加上 10mm2EBG 結構之晶胞大小與 S 參數比較

將週期性電磁帶隙結構結合微帶線可以設計出需要的截止帶圖 3-9 主要

的截止帶在 325GHz~4GHz 及 465GHz~58GHz已經達到需求的頻帶範圍下

個目標將結合微帶天線做改善與比較

(b)S參數比較圖

31

32 電磁帶隙結構包圍方式之探討

321 有限接地面的探討

由於設計的微帶天線主要是在邊射(Broad-side)方向輻射所以需要選擇一個

適當的接地面大小讓輻射場型得到一個最佳值理論上來說無限大的接地面

可以得到最平滑(Smooth)的輻射場型只在單邊輻射不會受到地面干擾實際

上在有限的空間必須選擇一個適當大小的接地面以符合成本與面積要求

而有限的接地面卻容易造成邊緣效應干擾[12]表面波在接地面邊緣產生繞射場

(Diffracted fields)形成新的波源以陣列因子的觀點來看多了新的波源會造

成輻射場型加乘上的消長如圖 3-10微帶貼片天線主要是以前後兩側差半波

長之邊輻射而有限接地面則會在邊緣產生感應磁流(Induced equivalent

magnetic current)如圖 3-11從電場的指向可以推得磁流的方向對照輻射

場型容易在邊射方向造成波紋(Ripple)

圖 3-10有限接地面產生之輻射場型比較圖

L

32

圖 3-11介質中電場指向之強弱分布與感應磁流方向

由於接地面的大小在 E-plane 會產生波紋來干擾輻射場型所以論文中以

EBG 週期性結構來做為一個完美磁導體(Perfect Magnetic ConductorPMC)也

就是人工 PMC(Artificial PMC)抑制邊緣電場的垂直入射減弱感應磁流的效

應以改善天線輻射場型

322 天線周圍包覆 PMC

傳統上 EBG 以圍滿的方式來改善微帶天線之增益與輻射[13]並透過晶胞

數的不斷增加來提高增益及改善輻射場型但晶胞數的增加將提高成本加大

EBG 面積及天線整體體積高達一定數量時反而會降低天線性能對於微帶貼

片天線而言EBG 在接地面太靠近天線輻射邊反而影響其輻射機制造成頻率

飄移因此論文中將探討 EBG 的包圍方式對天線性能之影響以有最佳效果

已知高阻抗表面可以阻擋介質中表面波的傳遞因此先透過理想 PMC 來代

替所設計之高阻抗表面 EBG 結構以分析其特性找出提升天性能的最佳包圍

33

方式

首先把天線周圍包覆 PMC 如圖 3-12以逼近的方式慢慢擴大 PMC 的面積

一圈 PMC 的寬度與設計的晶胞大小邊長一樣從輻射場型來看使用到第二圈

時可以得到最佳的輻射效能如圖 3-13PMC 包圍有其最佳範圍取得有效的包

圍方式可以讓天線輻射最佳化

圖 3-12天線周圍包覆 PMC

34

圖 3-13天線周圍包覆 PMC 之輻射場型比較

參考天線 一圈 PMC 二圈 PMC 三圈 PMC

0 度增益 357dBi 432dBi 545dBi 478dBi

增益改善 075dB 188dB 121dB

表 3-1天線周圍包覆 PMC 之增益改善比較

35

323 輻射邊兩側包覆 PMC

由於微帶天線之表面波傳遞方向以 xz 切面為主如圖 3-14因此在微帶天線

輻射邊的兩側擺放 EBG 結構以抑制其傳遞有效改善天線輻射場型首先使

用理想的 PMC 在天線輻射邊兩側包覆如圖 3-15對於 PMC 覆蓋面積的大小作一

探討變化 PMC 之覆蓋面積了解其對天線輻射場型的影響在邊射(broadside)

方向的輻射場型可以有效改善波紋讓旁波瓣(sidelobe)大幅度降低如圖 3-16

所示以兩列 PMC 可以達到較佳效果再增加一列 PMC 雖些許增加增益不

過 PMC 覆蓋的面積已達飽和因此從上述可知在結合 EBG 和微帶天線時

將有一最佳之覆蓋面積使用最適當之晶胞數來達到最佳的增益改善

圖 3-14表面波在介質空間中分布

36

圖 3-15輻射邊兩側包覆 PMC

圖 3-16輻射邊兩側包覆 PMC 之輻射場型比較

37

參考天線 一列 PMC 二列 PMC 三列 PMC

0 度增益 357dBi 528dBi 642dBi 644dBi

增益改善 171dB 285dB 287dB

表 3-2輻射邊兩側包覆 PMC 之增益改善比較

33 電磁帶隙結構結合單一微帶天線

以下將結合所設計之 EBG 結構和微帶天線以改善微帶天線之輻射場型干

擾從前述的探討先以圍繞式包圍天線做輻射場型比較如圖 3-17 所示

圖 3-17天線周圍包覆 EBG 之輻射場型比較

38

0 度增益

Ref patch antenna 357dBi

圍繞 EBG 572dBi

ΔGain 215dB

表 3-3天線周圍包覆 EBG 之增益改善比較

由於表面波之傳遞主要為 X 軸方向因此以 EBG 之較寬頻的維度來抑制 X

方向的表面波其結合方式如下以兩列 EBG 結構與天線結合比較如圖 3-18

圖 3-18輻射邊兩側包覆 EBG 之輻射場型比較

39

0 度增益

Ref patch antenna 357dBi

輻射邊包覆 EBG 577dBi

ΔGain 22dB

表 3-4輻射邊兩側包覆 EBG 之增益改善比較

兩種包覆 EBG 的情形做比較使用輻射邊兩側包覆 EBG 對表面波抑制可以

達到最直接的效果再對接地面做變化令輻射邊到接地面邊緣距離等於 15 倍

空氣中波長邊緣的等效感應磁流干擾最大在垂射(broadside)方向造成 30 度到

60 度的旁波瓣將晶胞數加到三列使得輻射場型能有最佳效果如圖 3-19 所示

圖 3-19較大接地面應用更多晶胞數改善輻射場型圖

40

34 電磁帶隙結構結合微帶天線陣列

第二章敘述之高增益天線陣列由於在 E-plane 產生較大之旁波瓣因此論

文將結合 EBG 結構與天線陣列改善輻射場型以符合 ETSI-TS2 規範要求

對原本的天線陣列與改善後的天線陣列作一比較如圖 3-20 為天線結構示意圖

俯視圖 yz 切面為表面波影響較大的面因此我們在 E-plane 兩側包覆 EBG使

用三列的 EBG 週期結構另外圖 3-21 為(a)34GHz(b)355GHz(c)37GHz

輻射場型在 E-plane 的改善比較可以發現在(a)跟(b)改善的效果特別明顯旁波

瓣減弱許多而(c)原本旁波瓣就不大所以改善較不明顯再跟 ETSI-mask 做

比較如圖 3-22改善後的天線陣列距離輻射場型標準線有較大之安全距離對實

作上的誤差影響會比較小以下針對輻射場型做一比較

圖 3-20原始天線陣列與應用 EBG 之天線陣列

41

(a)34GHz E-plane 輻射場型比較

(b)355GHz E-plane 輻射場型比較

(c)37GHz E-plane 輻射場型比較

圖 3-21原始天線陣列與應用 EBG 之天線陣列輻射場型比較

(a)34GHz (b)355GHz (c)37GHz

42

(a)34GHz E-plane

(b)355GHz E-plane

(a)37GHz E-plane

圖 3-22原始天線陣列與應用 EBG 之天線陣列與 ETSI-mask 比較

(a)34GHz (b)355GHz (c)37GHz

43

35 模擬與量測結果比較

由上述模擬的結果進行實作及量測的工作如圖 3-23 為微帶天線結合 EBG

結構的架構表 3-5 列出了板材的規格使用的基板是 FR4 玻璃纖維基板並架高

空氣高度為 5mm

Dielectric constant(topbottom) 44 44

Substrate thickness(topbottom) 08mm 16mm

Loss tangent 002

Air gap 5mm

Upper substrate size 250mm x 200mm

Ground size 300mm x 250mm

表 3-5天線陣列設計參數

圖 3-23應用 EBG 之天線陣列結構圖

44

圖 3-24 為天線陣列在 34GHz355GHz37GHz 的輻射場型從圖中可以

觀察模擬與量測場型蠻相近的

(a)34GHz

(b)355GHz

45

(c)37GHz

圖 3-24天線陣列輻射場型模擬與量測比較

對於其輻射場型的分布需求要符合 ETSI-TS2 的規範以下針對輻射場型與

ETSI-mask 做一比較如圖 3-25 所示從圖中發現實作及量測輻射場型全部

工作頻段都能滿足 mask 要求完成一組高增益天線陣列

(a)34GHz

46

(b)355GHz

(c)37GHz

圖 3-25天線陣列輻射場型與 ETSI-mask 比較

圖 3-26 為天線陣列模擬與量測的反射損耗其工作頻率與設計之天線相去

不遠均包含 34GHz~37GHz頻寬設計較大的原因在於避免外在因素造成的頻

飄量測出來可達 33GHz~39GHz略往高頻飄不過與設計的反射損耗相當接

近圖 3-27 為實際量測的增益對頻率的變化圖其增益的全頻段都能大於

14dBiE-plane 與 H-plane 也較為接近整理數據如表 3-6

47

圖 3-26天線陣列反射損耗模擬與量測比較

圖 3-27天線陣列增益對頻率圖

48

頻率(GHz) 33 34 35 36 37 38

E-plane 增益

(dBi) 1485 1591 1620 1687 1627 1507

H-plane 增益

(dBi) 1421 1565 1598 1629 1607 1518

表 3-6天線陣列增益對頻率表

49

圖 3-28 為實體圖俯視圖側視圖與 EBG 實際大小比較

(a) 俯視圖

(b) 側視圖(空氣高度=05mm)

(c)EBG 實體結構

圖 3-28天線陣列實體圖

50

第四章 結論

(Conclusion)

本論文主要是研究適用於基地台的 WiMAX 頻段高增益天線陣列並控制其

頻寬增益及輻射場型能夠符合 ETSI(European Telecommunication Standards

Institute)的規範在論文第二章中提出的高增益天線陣列是利用一個能量分歧

器把能量等效分成三份的饋入網路接上三組一樣的三元素陣列矩形微帶天線所

組成的天線陣列最高增益可達到 17dBi工作頻率的增益都能超過要求的

14dBi輻射場型符合 ETSI-TS2 規範另外本論文所提出的天線陣列為印刷式

天線不但具有輕量化的特性且大幅降低製作上的困難度也減輕了成本的負擔

透過本論文所設計之 EBG 可有效降低傳統 EBG 結構的製程僅以 FR4 板

材即可自行實作比較無須鉚釘並提出有效提升微帶天線增益的包圍方式在

有限的接地面下可選擇適當的晶胞數來改善天線陣列的輻射場型抑制表面波

對天線的干擾讓邊際效應產生的感應磁流干擾降到最低最後在實作及量測部

分驗證我們模擬的結果

51

參考文獻

[1] W L Stutzman and G A Thiele Antenna Theory and Design 2nd ed New York

Wiley 1998

[2] A Balanis Antenna Theory Analysis and Design New York Wiley 1997

[3] R Gardelli G La Cono and M Albani ldquoA low-cost suspended patch antenna for

WLAN access points and point-to-point linksrdquo IEEE Antennas and Propagat vol

3 no 1 pp 90-93 2004

[4] H F Pues and A R Van de capelle ldquoAn impedance-matching technique for

increasing the bandwidth of microstrip antennasrdquo IEEE Trans on Antennas and

Propagat vol 37 no 11 pp 1345-1354 Nov 1989

[5] Q Song and XndashX Zhang ldquoA study on wideband gap-coupled microstrip antenna

arraysrdquo IEEE Trans On Antennas and Propagat vol 43 no 3 pp 313-317 Mar

1995

[6] D Sievenpiper L Z Romulo F J Broas N G Alexopolous and E Yablonovitch

ldquoHigh-impedance electromagnetic surfaces with a forbidden frequency bandrdquo

IEEE Trans Microwave Theory Tech vol 47 no 11 pp 311-335 Nov 1999

[7] F-R Yang K-P Ma Y Qian and T Itoh ldquo A Uniplanar Compact

Photonic-Bandgap (UC-PBG) Structure and Its Applications for Microwave

Circuitsrdquo IEEE Trans MTT vol 47 Aug 1999

[8] M F Abedin M Z Azad and M Ali ldquo wideband smaller unit-cell planar EBG

structures and their applicationrdquo IEEE Trans On Antenna and Propagat vol 56

no 3 pp 903-908 Mar 2008

[9] I J Bahl and P Bhartia Microstrip Antennas Artech House 1980

[10] JR James and P S Hall Handbook of Microstrip Antennas LondonPeter

Peregrinus Ltd 1989

52

[11] K C Gupta R Garg I J Bahl P Bhartia Microstrip Lines and Slotlines 2nd ed

Norwood MAArtech House 1996

[12] T Namiki Y Murayama and K Ito ldquo Improving radiation-pattern distortion of a

patch antenna having a finite ground planerdquo IEEE Trans On Antenna and

Propagat vol 51 no 3 pp 478-482 Mar 2003

[13] R Coccioli F-R Yang K-P Ma and T Itoh ldquo Aperture-coupled patch antenna

on UC-PBG substraterdquo IEEE Trans Microwave Theory Tech vol 47 no 11 pp

2123-2130 Nov 1999

[14] F Yang and Y Rahmat-samii ldquo Microstrip antenna integrated with

electromagnetic band-gap (EBG) structure a low mutual coupling design for array

applicationrdquo IEEE Trans On Antenna and Propagat vol 51 no 10 pp

2936-2946 Oct2003

[15] Z Iluz R Shavit and R Bauer ldquo Microstrip antenna phased array with

electromagnetic bandgap substraterdquo IEEE Trans On Antenna and Propagat vol

52 no 6 pp 1446-1453 June 2004

  • 封面pdf
  • 摘要與目錄pdf
  • 論文_終稿_pdf
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      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU ltFEFF00560065007200770065006e00640065006e0020005300690065002000640069006500730065002000450069006e007300740065006c006c0075006e00670065006e0020007a0075006d002000450072007300740065006c006c0065006e00200076006f006e002000410064006f006200650020005000440046002d0044006f006b0075006d0065006e00740065006e002c00200076006f006e002000640065006e0065006e002000530069006500200068006f00630068007700650072007400690067006500200044007200750063006b006500200061007500660020004400650073006b0074006f0070002d0044007200750063006b00650072006e00200075006e0064002000500072006f006f0066002d00470065007200e400740065006e002000650072007a0065007500670065006e0020006d00f60063006800740065006e002e002000450072007300740065006c006c007400650020005000440046002d0044006f006b0075006d0065006e007400650020006b00f6006e006e0065006e0020006d006900740020004100630072006f00620061007400200075006e0064002000410064006f00620065002000520065006100640065007200200035002e00300020006f0064006500720020006800f600680065007200200067006500f600660066006e00650074002000770065007200640065006e002egt ESP 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 FRA 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 ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU ltFEFF00560065007200770065006e00640065006e0020005300690065002000640069006500730065002000450069006e007300740065006c006c0075006e00670065006e0020007a0075006d002000450072007300740065006c006c0065006e00200076006f006e002000410064006f006200650020005000440046002d0044006f006b0075006d0065006e00740065006e002c00200076006f006e002000640065006e0065006e002000530069006500200068006f00630068007700650072007400690067006500200044007200750063006b006500200061007500660020004400650073006b0074006f0070002d0044007200750063006b00650072006e00200075006e0064002000500072006f006f0066002d00470065007200e400740065006e002000650072007a0065007500670065006e0020006d00f60063006800740065006e002e002000450072007300740065006c006c007400650020005000440046002d0044006f006b0075006d0065006e007400650020006b00f6006e006e0065006e0020006d006900740020004100630072006f00620061007400200075006e0064002000410064006f00620065002000520065006100640065007200200035002e00300020006f0064006500720020006800f600680065007200200067006500f600660066006e00650074002000770065007200640065006e002egt ESP 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FRA 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ix

表 錄

表 2-1矩形微帶天線設計參數 11

表 2-2天線陣列設計參數 16

表 2-3ETSI-TS2 對輻射場型分布之要求18

表 2-4天線陣列增益對頻率表 21

表 3-1天線周圍包覆 PMC 之增益改善比較34

表 3-2輻射邊兩側包覆 PMC 之增益改善比較37

表 3-3天線周圍包覆 EBG 之增益改善比較 38

表 3-4輻射邊兩側包覆 EBG 之增益改善比較 39

表 3-5天線陣列設計參數 43

表 3-6天線陣列增益對頻率圖 48

1

第一章 導論

(Introduction)

11 工程背景與動機

近年來電信多媒體應用快速的成長及網路使用的普及化使用者需要的不

只是能夠在任何時間地點使用電信資訊服務且更需要增加使用頻寬及具有高傳

輸速率的無線通訊WiMAX(Worldwide Interoperability for Microwave Access)也

就是全球微波存取互通介面是一個逐漸發展的點對點或點對多點無線通訊網路

標準其不但可以提供使用者足夠的頻寬也能夠讓通訊服務業者不須要在地廣

人稀的地方佈線建立寬頻基礎建設而增加其營運成本因此許多開發中國家

及鄉村地區能透過建設 WiMAX 通訊系統以無線遠距寬頻的方式取代實體

寬頻佈線加速寬頻到家普及率

隨著無線通訊的興起天線所扮演的角色也日趨重要為了使資料的無線傳

輸達到寬頻要求天線的製作上就需要有一定的規範現行 WiMAX 覆蓋的頻段

有 253555 GHz(2500-26903400-36905250-5850 MHz)在每個國家各有不同

規定應用其中美規訂於 25GHz-269GHz而歐規訂於 34GHz-369GHz本論

文的天線陣列中心頻率設計於 355GHz為了符合 WiMAX 寬頻資料傳輸及涵蓋

範圍最大達 31 英哩的特性天線陣列的設計必須具有高增益及寬頻的特性因

此本論文的天線陣列以滿足歐洲電信標準局 (European Telecommunication

Standards Institute ETSI)規範為要求天線增益在全頻段須大於 14dBi而天線場

型符合 ETSI-TS2 mask

傳統上製作高增益天線以反射型天線[1]及透射型天線[2]為主為了減少

製作成本縮小體積我們使用了微帶天線陣列微帶天線的基本觀念早在 1950

年代就已經被提出微帶天線已應用於各方面需求針對微帶天線的寬頻設計方

2

式有利用厚空氣介質[3]饋入匹配電路[4]及使用間隙耦合貼片[5]來增加天線頻

寬另外由於有限接地面的限制會產生表面波在板材邊緣造成繞射現象使

天線的增益降低及輻射場型的扭曲為了抑制表面波的傳播我們使用電磁帶隙

(Electromagnetic Band-gap EBG)週期性結構讓某頻率範圍內禁止電磁波傳遞

這範圍也就是所謂的頻帶隙(Band-gap)由於 EBG 結構在頻帶隙產生了高阻抗表

面所以可以有效抑制表面波並提升天線性能

一般蘑菇型(mushroom)EBG 結構[6]雖易於抑制表面波的傳遞但其缺點為

製作不易因為它需要透過鉚釘(via)來達成以致增加許多成本因此在論文中

設計了無鉚釘的 EBG 結構以增加其實用性並且利用 EBG 排列包圍方式來結

合微帶天線改善輻射場型的扭曲[7]最後將結合 EBG 結構的高增益微帶天

線陣列進行實做及量測與模擬做統整與比較

12 章節介紹

本論文第二章介紹微帶貼片天線和陣列的基本原理及論文中所設計的天線

陣列結構第三章主要介紹電磁帶隙結構並對天線做一結合比較內容包括

電磁帶隙設計並使用於單一微帶天線及天線陣列最後模擬分析與量測比較

第四章為本文總結討論

3

第二章 基本理論與天線結構

(Basic Theory and Antenna Structure)

21 微帶貼片天線和陣列理論

211 微帶貼片天線理論

微帶貼片天線(Microstrip Patch Antenna)具有結構簡單製作方便高度實

用而且可以很容易地經由長度及寬度的控制來做效能微調等特性本論文中所

製作的高增益天線以縮小面積降低天線的剖面降低成本易於製作為主利

用微帶貼片天線的特色製作陣列以達到我們需要的高增益天線本論文中所設

計的天線陣列以矩形微帶貼片天線為主

矩形微帶貼片天線其結構包含了接地金屬面介電質基板還有饋入電路與

輻射金屬片如圖 2-1 所示

圖 2-1微帶貼片天線示意圖

4

其可以視為兩個相隔長度 L 的輻射槽(Radiating slot)每個槽的寬度相當於

基板的厚度 h長度則相當於貼片天線的 W理論上這兩個槽應該相距 λg2其

中 λg 為在介質中的波長在貼片天線中有兩個重要的參數等效介電常數

( effective dielectric constant )及等效貼片長度( effective length )由於貼片天線的

長和寬有限所以在天線邊緣附近的會有漏電場的現象此稱邊緣效應(edge

effect)而漏電場和貼片天線的寬度以及基板的介電常數厚度有關如果天線

的 L h 值遠大於 1則漏電場的現象不會太嚴重由於當考慮到邊緣效應貼片

天線上的電場在邊緣輻射時會同時經過介電材料及空氣所以等效介電常數便不

是原本板材的介電值藉由式(2-1)我們可以得到一等效介電常數 reffε 等效介電

常數的範圍通常為1 reff rε εlt lt

121 1 1 12 1

2 2r r

reffh W

W hε εε

minus+ minus ⎡ ⎤= + + lt⎢ ⎥⎣ ⎦ (2-1)

等效介電常數對於天線的 W 跟 L 有很大的影響貼片天線的寬度 W 是影響

天線輻射效率的最大因素其可由式(2-2)計算得知

12

0 12 2

rW λ ε minus+⎛ ⎞= ⎜ ⎟⎝ ⎠

(2-2)

而在天線輻射端的兩個槽因為邊緣效應的影響等效天線長度跟實際上的長度

會有2 LΔ 的差距由式(2-3)可以得到 LΔ

5

( )

( )

03 02640412

0258 08

reff

reff

WhL h

Wh

ε

ε

⎛ ⎞+ +⎜ ⎟⎝ ⎠Δ =⎛ ⎞minus +⎜ ⎟⎝ ⎠

(2-3)

得知 LΔ 後貼片天線的實際長度 2effL L L= minus Δ 其中 2eff gL λ= 微帶貼片天線

邊緣輸入阻抗一般介於 100~400 歐姆之間計算其輸入阻抗時可將天線的兩個

輻射槽各代表一並聯的導納 Y如圖 2-2 所示

圖 2-2微帶天線等效傳輸線電路圖

其中 G1 及 B1 的大小由天線的寬度 W 決定式(2-4)及式(2-5)為 W 與 G1 及 B1 的

關係式[9]由於在此討論的天線為矩形貼片天線天線兩邊的寬度會相同故

G2 及 B2 的大小分別與 G1 及 B1 相同而 Yc則為長度約為 2gλ 傳輸線的特性導

( )21 0

0 0

1 h1 01120 24

WG k hλ λ

⎡ ⎤= minus lt⎢ ⎥⎣ ⎦ (2-4)

01

0reff

k LBZ

εΔ= (2-5)

00

reff

hZW

ηε

= (2-6)

B1 G1 G2 B2

YC

6

求得導納之後由圖 2-2 等效傳輸線電路圖可得輸入阻抗 1in inR Y= 1 2inY Y Y= +

1Y 為槽一(slot1)的導納( 1 1 1Y G jB= + ) 2Y 為槽二(slot2)的導納( 2 2 2Y G jB= + )因

為共振長度為 2gλ 所以兩個輻射槽的電納相差 180∘( 1 2B B= minus )因此輸入導

納為 12G輸入阻抗則為 1 2R 天線的邊緣輸入阻抗求得之後我們可以利用 4λ

轉換線饋入與 50Ω接頭匹配方便饋入線(feeding line)的設計

212 陣列理論

設計天線陣列時其天線陣列的排列結構各元素間的距離各元素激發的

振幅與相位及單一元素的場型都會影響陣列的場型分佈[1]圖 2-3 為一點波源

等間距之線性陣列

圖 2-3點波源等間距之線性陣列

若元素間激發電流相位差為α一等能量饋入的天線陣列之陣列因子如式

(2-7)所示

1

00

AF cosN

jn

nA e dψ ψ β θ α

minus

=

= = +sum (2-7)

其中d為天線陣列元素的間距β 為波數θ為偏離Z軸之角度α 為元素間的相

位差

7

經過推導忽略其相位因子正歸化的陣列因子為

( ) ( )( )

sin 21sin 2

Nf

ψψ

⎡ ⎤= ⎢ ⎥

⎣ ⎦ (28)

在ψ =0時有最大值主波束的方向為

1cosdαθβ

minus ⎛ ⎞minus= ⎜ ⎟

⎝ ⎠ (29)

藉由陣列因子我們將可以預估理想狀況下天線陣列的輻射場型由於本論文天線

陣列由3times3陣列矩陣所組成且微帶天線場型是分佈在天線的垂射(broadside)方

向故在設計天線陣列的饋入網路時每個元素間所得到的能量應為等大小同

相位圖2-4及圖2-5分別為3times3天線陣列E-plane及H-plane在相同大小及相位時

所計算的陣列因子我們可以藉由適當間距的陣列因子與微帶天線的場型乘積

獲得理想上的天線陣列輻射場型分佈

8

圖 2-4在不同間距時E-plane 的陣列因子

圖 2-5在不同間距時H-plane 的陣列因子

9

22 天線結構

221 單一微帶貼片天線設計

由於微帶貼片天線是一共振型天線傳統上其頻寬較窄所以我們可以藉由

改變天線的形狀增加天線的共振路徑或者改變天線的結構以提高頻寬及增

設計微帶貼片天線時基板(substrate)影響天線效能較大的有三個參數介

質損耗(正比於 tanδ )介電常數( rε )以及厚度( h )其中介質損耗越小越好如

此可以提高天線效率及增益但相對的成本也較高而介電常數也是越小越好

如此可以增加頻寬提高天線的指向性及增益相對的天線的尺寸也越大厚度

則是越大越好如此可以提高天線效率及增益有效增加頻寬但厚度太大則容

易產生表面波使得部分能量被束缚在基板中無法輻射出去

基於上述基板對天線效能的影響以及本論文對頻寬及增益的要求我們採

用 FR4( 44rε = )玻璃纖維基板並且採用厚空氣介質如此可以有效降低等效介

電常數值及提高厚度藉以達到寬頻及高增益的特性如圖 2-6 所示

圖 2-6懸浮微帶線結構(Suspended microstrip line configuration)

10

如圖 2-6 加上 air gap 高度之後其等效介電常數會有所改變其可由式(2-10)

得到一近似值[10]

( )( )

rreff

r

h H hh H hε

εε+ minus⎡ ⎤⎣ ⎦=

+ minus (2-10)

另外懸浮微帶線的特性阻抗(假設 t=0)則由式(2-11)得到較精確的值以便設計

饋入網路[11]

2

0 10

2ln 12 re

FZu u

ηπ ε

⎡ ⎤⎛ ⎞⎢ ⎥= + + ⎜ ⎟⎢ ⎥⎝ ⎠⎣ ⎦ (2-11)

其中

( ) ( )07528306661 6 2 6 uF eπ minus= + minus (2-11a)

( )0 120η π= Ω Wuh

= (2-11b)

1

11 ln 1rer

h Wa bH h H h

εε

minus⎡ ⎤⎛ ⎞⎛ ⎞= + minus minus⎢ ⎥⎜ ⎟⎜ ⎟⎜ ⎟minus minus⎝ ⎠⎢ ⎥⎝ ⎠⎣ ⎦

(2-12)

其中

4

08621 0125ln haH h

⎡ ⎤⎛ ⎞= minus ⎜ ⎟⎢ ⎥minus⎝ ⎠⎣ ⎦ (2-12a)

4

04986 01397 ln hbH h

⎡ ⎤⎛ ⎞= minus ⎜ ⎟⎢ ⎥minus⎝ ⎠⎣ ⎦ (2-12b)

11

利用前面提到的矩形微帶天線基本理論將天線的寬度及長度求出把饋入網

路與天線元素在同一平面做一結合設計參數如表 2-1

Dielectric constant 44

Substrate thickness 08mm

Loss tangent 002

Air gap 5mm

Single patch size 416mm(W) x 335mm(L)

Feeding line width 0901mm

Feeding line length 1996mm

表 2-1矩形微帶天線設計參數

利用式(2-4)(2-5)及(2-6)求出天線邊緣的輸入阻抗再設計一四分之一波長

傳輸線饋入並以特性阻抗 Z0 的輸入埠進行模擬如圖 2-7 所示

圖 2-7矩形微帶貼片天線示意圖

Ground plane

65mm Patch antenna

W

L

Zt=9904Ω

Z0=50Ω

80mm

12

當天線共振時天線邊緣的輸入阻抗 inZ 可藉由 20in tZ Z Z= 計算得知接著

觀察中心頻率為 355GHz 的矩形微帶貼片天線其反射損耗與輻射場型圖 2-8

為反射損耗圖圖 2-9 為中心頻率 355GHz 模擬的輻射場型

圖 2-8矩形微帶貼片天線反射損耗

圖 2-9矩形微帶貼片天線在中心頻率 355GHz 模擬的輻射場型

Return Loss

13

222 高增益天線陣列設計

首先以微帶線並聯的饋入結構設計能量一分三的網路再利用傳輸線作阻

抗的匹配[13]最後再以其寬頻的特性饋入到天線陣列圖 2-10 為饋入網路示意

圖圖 2-11 及圖 2-12 分別為饋入網路之反射損耗(Return Loss)插入損耗

(Insertion Loss)以及各輸出埠相位圖

圖 2-10饋入網路示意圖

圖 2-11天線陣列饋入網路之反射損耗及插入損耗模擬圖

14

圖 2-12天線陣列饋入網路各輸出埠相位差

從圖 2-11 可以發現各輸出埠的能量在不同頻率的變化實線為埠一(port1)

的反射損耗其餘為埠二三及四的插入損耗在工作頻率的範圍輸出埠的能

量差值在 2dB 以內而每個輸出埠在工作頻率的相位差為 20deg以內

接著我們利用圖 2-10 的分歧器輸出埠接上天線三元天線陣列如圖 2-13

觀察其反射損耗(圖 2-14)與輻射場型(圖 2-15)

圖 2-13三元天線陣列

15

圖 2-14三元天線陣列反射損耗

圖 2-15三元天線陣列在中心頻率 355GHz 模擬的輻射場型

由圖 2-14圖 2-15 了解到反射損耗在工作頻段(34GHz~37GHz)滿足要求

觀察輻射場型發現增益已可達到 12dBi此時再利用一組能量一分三的分歧器

設計總天線陣列預計為三乘以三共九個元素的天線陣列設計參數如表 2-2

16

Dielectric constant(topbottom) 44 44

Substrate thickness(topbottom) 08mm 16mm

Loss tangent 002

Air gap 5mm

Upper substrate size 250mm x 200mm

Ground size 300mm x 250mm

表 2-2天線陣列設計參數

圖 2-16 為天線陣列結構圖由於饋入網路阻抗匹配與相位差對天線陣列影

響非常大所以設計其信號饋入端為 50Ω以符合實際上使用的 SMA 接頭使

饋入網路匹配

圖 2-16天線陣列結構俯視圖

17

圖 2-17 為天線陣列在(a)34GHz(b)355GHz(c)37GHz 的輻射場型從圖

中可看出模擬與量測的輻射場型相當接近增益也能達到要求

(a)34GHz

(b)355GHz

18

(c)37GHz

圖 2-17天線陣列輻射場型

天線結構確定之後對於其輻射場型的分布需求要符合 ETSI-TS2 的規範

表 2-3 為 ETSI-TS2 對輻射場型分布的要求以下針對輻射場型與 ETSI-mask 做

一比較如圖 2-18 所示從圖中發現除了 34GHz 些微超出標準之外其餘頻

段都能滿足輻射場型要求之後會將改善的部份再做比較

表 2-3ETSI-TS2 對輻射場型分布之要求

19

(a)34GHz

(b)355GHz

(c)37GHz

圖 2-18天線陣列輻射場型與 ETSI-mask 之比較

20

圖 2-19 為天線陣列模擬與量測的反射損耗其工作頻率與設計之天線相去

不遠均包含 34GHz~37GHz圖 2-20 為實際量測的增益對頻率的變化圖其

增益的全頻段都能大於 14dBi其中某些頻率點可看出 E-plane 與 H-plane 所量

測到的最大增益值並不相同這主要的原因在於由饋入網路輸出端在在不同頻率

會有些微的相位差所致使得天線的最大增益值會些微偏移一個角度不過基

本上的趨勢還是相近

圖 2-19天線陣列模擬與量測之反射損耗

21

圖 2-20天線陣列增益對頻率圖

頻率(GHz) 33 34 35 36 37 38

E-plane 增益

(dBi) 1457 1619 1702 1634 1568 1429

H-plane 增益

(dB) 1421 1582 1624 1607 1581 1434

表 2-4天線陣列增益對頻率表

22

(a)俯視圖

(b)側視圖

圖 2-21天線陣列實體圖(a)俯視圖(b)側視圖

23

第三章 電磁帶隙結構與應用

(Electromagnetic Band-Gap Structure and Its Applications )

31 單位晶胞設計與截止帶比較

在天線中通常在較高之基板厚度及較大之介電常數時容易產生表面波

干擾天線輻射為了阻止表面波的傳遞論文中設計了高阻抗表面也就是所謂

的電磁帶隙(EBG)結構能有效抑制表面波提升天線效能

在近幾年許多微波領域的研究文獻利用光子能隙(Photonic Band-Gap

PBG)的概念也就是在介電係數成週期性排列的三維介電材料中電磁波經介

電函數散射後某些波段的電磁波強度會因破壞性干涉而呈現衰減無法在系統

內傳遞而在頻譜上形成截止帶[7][8]應用這個觀念在平面式傳輸線上設計具

有週期性幾何結構的電路造成電磁波在某些頻段無法傳遞而達到濾波的效果

由於使用於微波頻段所以稱此種結構為電磁帶隙或電磁能隙(Electromagnetic

Band-Gap EBG)結構

一個 EBG 結構電路時為一個電路之接地面在沿著某方向或平面做週期性

幾何結構變化所構成的電路如圖 3-1

圖 3-1一維 EBG 結構電路圖

利用 EBG 電路的週期性幾何結構形成一個電磁波的截止帶實線一個具

有寬頻與良好效能的帶止濾波器(Bandstop Filter)本論文使用共平面緊密電磁

帶隙結構(Uniplanar Compact EBG)如圖 3-2取代傳統的完整或切割連結通道

CellCell Cell Cell Cell d d d d TL TL TL TL

24

的平面結構每個單位細胞間以細線做連結細線提供了主要的電感效應每個

單位細胞間以狹縫做為區隔細狹縫間之互容效應與單位細胞之平面電容提供

了主要電容效應利用並接的電感電容效應來達到一寬頻的截止帶

圖 3-2EBG 結構集總電路圖

為了得到我們需要的截止帶首先模擬一個理想傳輸線當對照組(圖 3-3)

使用了介電常數值為 44 的 FR4 電路板厚度為 16mm觀察其反射損耗與插入

損耗從圖 3-4 了解到傳輸線從 1GHz 到 15GHz 反射損耗皆在-20dB 以下插入

損耗-3dB 以上

圖 3-3微帶傳輸線

(a) 俯視圖

(b) 側視圖

25

圖 3-4微帶傳輸線之反射損耗與插入損耗

利用電磁帶隙週期性二維的重複結構如圖 3-5可以找到我們所需要的截止

帶從微帶線的插入損耗可以明顯得到所設計的截止帶頻段跟單位晶胞的大小

成正相關整體電路的等效電感與等效電容越大相對的頻帶也會往低頻跑

(a)正面俯視圖 (b)背面俯視圖

圖 3-5微帶線加上 EBG 結構正面與背面

26

改變單位晶胞大小與截止帶之比較分別從(圖 3-6)4mm2(圖 3-7)6mm2(圖

3-8)8mm2(圖 3-9)10mm2的晶胞大小可以控制截止帶落在哪些區域

(b)反射損耗

a b

g

gs

h

(a)單位晶胞大小

a = 4 mmb = 37 mm s = g = 03 mm h = 18 mm

a

27

圖 3-6微帶線加上 4mm2EBG 結構之晶胞大小與 S 參數比較

從圖 3-6 可以得知從 10GHz 到 12GHz 有一較深之截止帶14GHz 之後也有

截止頻帶只是實驗目標以低頻為主故只模擬到 15GHz繼續改變晶胞大小

來設計低頻截止帶

a b

g

gs

h

(a)單位晶胞大小

a = 6 mm b = 57 mm s = g = 03 mm h = 28 mm

a

(c)插入損耗

28

圖 3-7微帶線加上 6mm2EBG 結構之晶胞大小與 S 參數比較

讓 EBG 晶胞變大(6mm2)跟預期結果相符可以得到更低頻的截止帶低頻帶

從 7GHz 到 9GHz高頻帶 10GHz 之後仍然存在極深之截止帶

(b)S參數比較圖

a bg

gs

h

(a)單位晶胞大小

a = 8 mm b = 76 mm s = g = 04 mm h = 37 mm

a

29

圖 3-8微帶線加上 8mm2EBG 結構之晶胞大小與 S 參數比較

從圖 3-8 的結果得到更低頻的截止帶座落於 43GHz~58GHz 及

61GHz~7GHz 由 於 論 文 中 所 設 計 的 WiMAX 天 線 陣 列 工 作 頻 率 在

34GHz~37GHz故需再將晶胞大小改變讓系統能夠共振在更低頻處

(b)S參數比較圖

a bg

gs

h

(a)單位晶胞大小

a = 10 mm b = 93 mm s = g = 07 mm h = 42 mm

a

30

圖 3-9微帶線加上 10mm2EBG 結構之晶胞大小與 S 參數比較

將週期性電磁帶隙結構結合微帶線可以設計出需要的截止帶圖 3-9 主要

的截止帶在 325GHz~4GHz 及 465GHz~58GHz已經達到需求的頻帶範圍下

個目標將結合微帶天線做改善與比較

(b)S參數比較圖

31

32 電磁帶隙結構包圍方式之探討

321 有限接地面的探討

由於設計的微帶天線主要是在邊射(Broad-side)方向輻射所以需要選擇一個

適當的接地面大小讓輻射場型得到一個最佳值理論上來說無限大的接地面

可以得到最平滑(Smooth)的輻射場型只在單邊輻射不會受到地面干擾實際

上在有限的空間必須選擇一個適當大小的接地面以符合成本與面積要求

而有限的接地面卻容易造成邊緣效應干擾[12]表面波在接地面邊緣產生繞射場

(Diffracted fields)形成新的波源以陣列因子的觀點來看多了新的波源會造

成輻射場型加乘上的消長如圖 3-10微帶貼片天線主要是以前後兩側差半波

長之邊輻射而有限接地面則會在邊緣產生感應磁流(Induced equivalent

magnetic current)如圖 3-11從電場的指向可以推得磁流的方向對照輻射

場型容易在邊射方向造成波紋(Ripple)

圖 3-10有限接地面產生之輻射場型比較圖

L

32

圖 3-11介質中電場指向之強弱分布與感應磁流方向

由於接地面的大小在 E-plane 會產生波紋來干擾輻射場型所以論文中以

EBG 週期性結構來做為一個完美磁導體(Perfect Magnetic ConductorPMC)也

就是人工 PMC(Artificial PMC)抑制邊緣電場的垂直入射減弱感應磁流的效

應以改善天線輻射場型

322 天線周圍包覆 PMC

傳統上 EBG 以圍滿的方式來改善微帶天線之增益與輻射[13]並透過晶胞

數的不斷增加來提高增益及改善輻射場型但晶胞數的增加將提高成本加大

EBG 面積及天線整體體積高達一定數量時反而會降低天線性能對於微帶貼

片天線而言EBG 在接地面太靠近天線輻射邊反而影響其輻射機制造成頻率

飄移因此論文中將探討 EBG 的包圍方式對天線性能之影響以有最佳效果

已知高阻抗表面可以阻擋介質中表面波的傳遞因此先透過理想 PMC 來代

替所設計之高阻抗表面 EBG 結構以分析其特性找出提升天性能的最佳包圍

33

方式

首先把天線周圍包覆 PMC 如圖 3-12以逼近的方式慢慢擴大 PMC 的面積

一圈 PMC 的寬度與設計的晶胞大小邊長一樣從輻射場型來看使用到第二圈

時可以得到最佳的輻射效能如圖 3-13PMC 包圍有其最佳範圍取得有效的包

圍方式可以讓天線輻射最佳化

圖 3-12天線周圍包覆 PMC

34

圖 3-13天線周圍包覆 PMC 之輻射場型比較

參考天線 一圈 PMC 二圈 PMC 三圈 PMC

0 度增益 357dBi 432dBi 545dBi 478dBi

增益改善 075dB 188dB 121dB

表 3-1天線周圍包覆 PMC 之增益改善比較

35

323 輻射邊兩側包覆 PMC

由於微帶天線之表面波傳遞方向以 xz 切面為主如圖 3-14因此在微帶天線

輻射邊的兩側擺放 EBG 結構以抑制其傳遞有效改善天線輻射場型首先使

用理想的 PMC 在天線輻射邊兩側包覆如圖 3-15對於 PMC 覆蓋面積的大小作一

探討變化 PMC 之覆蓋面積了解其對天線輻射場型的影響在邊射(broadside)

方向的輻射場型可以有效改善波紋讓旁波瓣(sidelobe)大幅度降低如圖 3-16

所示以兩列 PMC 可以達到較佳效果再增加一列 PMC 雖些許增加增益不

過 PMC 覆蓋的面積已達飽和因此從上述可知在結合 EBG 和微帶天線時

將有一最佳之覆蓋面積使用最適當之晶胞數來達到最佳的增益改善

圖 3-14表面波在介質空間中分布

36

圖 3-15輻射邊兩側包覆 PMC

圖 3-16輻射邊兩側包覆 PMC 之輻射場型比較

37

參考天線 一列 PMC 二列 PMC 三列 PMC

0 度增益 357dBi 528dBi 642dBi 644dBi

增益改善 171dB 285dB 287dB

表 3-2輻射邊兩側包覆 PMC 之增益改善比較

33 電磁帶隙結構結合單一微帶天線

以下將結合所設計之 EBG 結構和微帶天線以改善微帶天線之輻射場型干

擾從前述的探討先以圍繞式包圍天線做輻射場型比較如圖 3-17 所示

圖 3-17天線周圍包覆 EBG 之輻射場型比較

38

0 度增益

Ref patch antenna 357dBi

圍繞 EBG 572dBi

ΔGain 215dB

表 3-3天線周圍包覆 EBG 之增益改善比較

由於表面波之傳遞主要為 X 軸方向因此以 EBG 之較寬頻的維度來抑制 X

方向的表面波其結合方式如下以兩列 EBG 結構與天線結合比較如圖 3-18

圖 3-18輻射邊兩側包覆 EBG 之輻射場型比較

39

0 度增益

Ref patch antenna 357dBi

輻射邊包覆 EBG 577dBi

ΔGain 22dB

表 3-4輻射邊兩側包覆 EBG 之增益改善比較

兩種包覆 EBG 的情形做比較使用輻射邊兩側包覆 EBG 對表面波抑制可以

達到最直接的效果再對接地面做變化令輻射邊到接地面邊緣距離等於 15 倍

空氣中波長邊緣的等效感應磁流干擾最大在垂射(broadside)方向造成 30 度到

60 度的旁波瓣將晶胞數加到三列使得輻射場型能有最佳效果如圖 3-19 所示

圖 3-19較大接地面應用更多晶胞數改善輻射場型圖

40

34 電磁帶隙結構結合微帶天線陣列

第二章敘述之高增益天線陣列由於在 E-plane 產生較大之旁波瓣因此論

文將結合 EBG 結構與天線陣列改善輻射場型以符合 ETSI-TS2 規範要求

對原本的天線陣列與改善後的天線陣列作一比較如圖 3-20 為天線結構示意圖

俯視圖 yz 切面為表面波影響較大的面因此我們在 E-plane 兩側包覆 EBG使

用三列的 EBG 週期結構另外圖 3-21 為(a)34GHz(b)355GHz(c)37GHz

輻射場型在 E-plane 的改善比較可以發現在(a)跟(b)改善的效果特別明顯旁波

瓣減弱許多而(c)原本旁波瓣就不大所以改善較不明顯再跟 ETSI-mask 做

比較如圖 3-22改善後的天線陣列距離輻射場型標準線有較大之安全距離對實

作上的誤差影響會比較小以下針對輻射場型做一比較

圖 3-20原始天線陣列與應用 EBG 之天線陣列

41

(a)34GHz E-plane 輻射場型比較

(b)355GHz E-plane 輻射場型比較

(c)37GHz E-plane 輻射場型比較

圖 3-21原始天線陣列與應用 EBG 之天線陣列輻射場型比較

(a)34GHz (b)355GHz (c)37GHz

42

(a)34GHz E-plane

(b)355GHz E-plane

(a)37GHz E-plane

圖 3-22原始天線陣列與應用 EBG 之天線陣列與 ETSI-mask 比較

(a)34GHz (b)355GHz (c)37GHz

43

35 模擬與量測結果比較

由上述模擬的結果進行實作及量測的工作如圖 3-23 為微帶天線結合 EBG

結構的架構表 3-5 列出了板材的規格使用的基板是 FR4 玻璃纖維基板並架高

空氣高度為 5mm

Dielectric constant(topbottom) 44 44

Substrate thickness(topbottom) 08mm 16mm

Loss tangent 002

Air gap 5mm

Upper substrate size 250mm x 200mm

Ground size 300mm x 250mm

表 3-5天線陣列設計參數

圖 3-23應用 EBG 之天線陣列結構圖

44

圖 3-24 為天線陣列在 34GHz355GHz37GHz 的輻射場型從圖中可以

觀察模擬與量測場型蠻相近的

(a)34GHz

(b)355GHz

45

(c)37GHz

圖 3-24天線陣列輻射場型模擬與量測比較

對於其輻射場型的分布需求要符合 ETSI-TS2 的規範以下針對輻射場型與

ETSI-mask 做一比較如圖 3-25 所示從圖中發現實作及量測輻射場型全部

工作頻段都能滿足 mask 要求完成一組高增益天線陣列

(a)34GHz

46

(b)355GHz

(c)37GHz

圖 3-25天線陣列輻射場型與 ETSI-mask 比較

圖 3-26 為天線陣列模擬與量測的反射損耗其工作頻率與設計之天線相去

不遠均包含 34GHz~37GHz頻寬設計較大的原因在於避免外在因素造成的頻

飄量測出來可達 33GHz~39GHz略往高頻飄不過與設計的反射損耗相當接

近圖 3-27 為實際量測的增益對頻率的變化圖其增益的全頻段都能大於

14dBiE-plane 與 H-plane 也較為接近整理數據如表 3-6

47

圖 3-26天線陣列反射損耗模擬與量測比較

圖 3-27天線陣列增益對頻率圖

48

頻率(GHz) 33 34 35 36 37 38

E-plane 增益

(dBi) 1485 1591 1620 1687 1627 1507

H-plane 增益

(dBi) 1421 1565 1598 1629 1607 1518

表 3-6天線陣列增益對頻率表

49

圖 3-28 為實體圖俯視圖側視圖與 EBG 實際大小比較

(a) 俯視圖

(b) 側視圖(空氣高度=05mm)

(c)EBG 實體結構

圖 3-28天線陣列實體圖

50

第四章 結論

(Conclusion)

本論文主要是研究適用於基地台的 WiMAX 頻段高增益天線陣列並控制其

頻寬增益及輻射場型能夠符合 ETSI(European Telecommunication Standards

Institute)的規範在論文第二章中提出的高增益天線陣列是利用一個能量分歧

器把能量等效分成三份的饋入網路接上三組一樣的三元素陣列矩形微帶天線所

組成的天線陣列最高增益可達到 17dBi工作頻率的增益都能超過要求的

14dBi輻射場型符合 ETSI-TS2 規範另外本論文所提出的天線陣列為印刷式

天線不但具有輕量化的特性且大幅降低製作上的困難度也減輕了成本的負擔

透過本論文所設計之 EBG 可有效降低傳統 EBG 結構的製程僅以 FR4 板

材即可自行實作比較無須鉚釘並提出有效提升微帶天線增益的包圍方式在

有限的接地面下可選擇適當的晶胞數來改善天線陣列的輻射場型抑制表面波

對天線的干擾讓邊際效應產生的感應磁流干擾降到最低最後在實作及量測部

分驗證我們模擬的結果

51

參考文獻

[1] W L Stutzman and G A Thiele Antenna Theory and Design 2nd ed New York

Wiley 1998

[2] A Balanis Antenna Theory Analysis and Design New York Wiley 1997

[3] R Gardelli G La Cono and M Albani ldquoA low-cost suspended patch antenna for

WLAN access points and point-to-point linksrdquo IEEE Antennas and Propagat vol

3 no 1 pp 90-93 2004

[4] H F Pues and A R Van de capelle ldquoAn impedance-matching technique for

increasing the bandwidth of microstrip antennasrdquo IEEE Trans on Antennas and

Propagat vol 37 no 11 pp 1345-1354 Nov 1989

[5] Q Song and XndashX Zhang ldquoA study on wideband gap-coupled microstrip antenna

arraysrdquo IEEE Trans On Antennas and Propagat vol 43 no 3 pp 313-317 Mar

1995

[6] D Sievenpiper L Z Romulo F J Broas N G Alexopolous and E Yablonovitch

ldquoHigh-impedance electromagnetic surfaces with a forbidden frequency bandrdquo

IEEE Trans Microwave Theory Tech vol 47 no 11 pp 311-335 Nov 1999

[7] F-R Yang K-P Ma Y Qian and T Itoh ldquo A Uniplanar Compact

Photonic-Bandgap (UC-PBG) Structure and Its Applications for Microwave

Circuitsrdquo IEEE Trans MTT vol 47 Aug 1999

[8] M F Abedin M Z Azad and M Ali ldquo wideband smaller unit-cell planar EBG

structures and their applicationrdquo IEEE Trans On Antenna and Propagat vol 56

no 3 pp 903-908 Mar 2008

[9] I J Bahl and P Bhartia Microstrip Antennas Artech House 1980

[10] JR James and P S Hall Handbook of Microstrip Antennas LondonPeter

Peregrinus Ltd 1989

52

[11] K C Gupta R Garg I J Bahl P Bhartia Microstrip Lines and Slotlines 2nd ed

Norwood MAArtech House 1996

[12] T Namiki Y Murayama and K Ito ldquo Improving radiation-pattern distortion of a

patch antenna having a finite ground planerdquo IEEE Trans On Antenna and

Propagat vol 51 no 3 pp 478-482 Mar 2003

[13] R Coccioli F-R Yang K-P Ma and T Itoh ldquo Aperture-coupled patch antenna

on UC-PBG substraterdquo IEEE Trans Microwave Theory Tech vol 47 no 11 pp

2123-2130 Nov 1999

[14] F Yang and Y Rahmat-samii ldquo Microstrip antenna integrated with

electromagnetic band-gap (EBG) structure a low mutual coupling design for array

applicationrdquo IEEE Trans On Antenna and Propagat vol 51 no 10 pp

2936-2946 Oct2003

[15] Z Iluz R Shavit and R Bauer ldquo Microstrip antenna phased array with

electromagnetic bandgap substraterdquo IEEE Trans On Antenna and Propagat vol

52 no 6 pp 1446-1453 June 2004

  • 封面pdf
  • 摘要與目錄pdf
  • 論文_終稿_pdf
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 DEU ltFEFF00560065007200770065006e00640065006e0020005300690065002000640069006500730065002000450069006e007300740065006c006c0075006e00670065006e0020007a0075006d002000450072007300740065006c006c0065006e00200076006f006e002000410064006f006200650020005000440046002d0044006f006b0075006d0065006e00740065006e002c00200076006f006e002000640065006e0065006e002000530069006500200068006f00630068007700650072007400690067006500200044007200750063006b006500200061007500660020004400650073006b0074006f0070002d0044007200750063006b00650072006e00200075006e0064002000500072006f006f0066002d00470065007200e400740065006e002000650072007a0065007500670065006e0020006d00f60063006800740065006e002e002000450072007300740065006c006c007400650020005000440046002d0044006f006b0075006d0065006e007400650020006b00f6006e006e0065006e0020006d006900740020004100630072006f00620061007400200075006e0064002000410064006f00620065002000520065006100640065007200200035002e00300020006f0064006500720020006800f600680065007200200067006500f600660066006e00650074002000770065007200640065006e002egt 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FRA 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 PTB 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 SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP ltFEFF005500740069006c0069006300650020006500730074006100200063006f006e0066006900670075007200610063006900f3006e0020007000610072006100200063007200650061007200200064006f00630075006d0065006e0074006f0073002000640065002000410064006f0062006500200050004400460020007000610072006100200063006f006e00730065006700750069007200200069006d0070007200650073006900f3006e002000640065002000630061006c006900640061006400200065006e00200069006d0070007200650073006f0072006100730020006400650020006500730063007200690074006f00720069006f00200079002000680065007200720061006d00690065006e00740061007300200064006500200063006f00720072006500630063006900f3006e002e002000530065002000700075006500640065006e00200061006200720069007200200064006f00630075006d0065006e0074006f00730020005000440046002000630072006500610064006f007300200063006f006e0020004100630072006f006200610074002c002000410064006f00620065002000520065006100640065007200200035002e003000200079002000760065007200730069006f006e0065007300200070006f00730074006500720069006f007200650073002egt FRA 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 ITA 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 JPN ltFEFF9ad854c18cea51fa529b7528002000410064006f0062006500200050004400460020658766f8306e4f5c6210306b4f7f75283057307e30593002537052376642306e753b8cea3092670059279650306b4fdd306430533068304c3067304d307e3059300230c730b930af30c830c330d730d730ea30f330bf3067306e53705237307e305f306f30d730eb30fc30d57528306b9069305730663044307e305930023053306e8a2d5b9a30674f5c62103055308c305f0020005000440046002030d530a130a430eb306f3001004100630072006f0062006100740020304a30883073002000410064006f00620065002000520065006100640065007200200035002e003000204ee5964d3067958b304f30533068304c3067304d307e30593002gt KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly 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1

第一章 導論

(Introduction)

11 工程背景與動機

近年來電信多媒體應用快速的成長及網路使用的普及化使用者需要的不

只是能夠在任何時間地點使用電信資訊服務且更需要增加使用頻寬及具有高傳

輸速率的無線通訊WiMAX(Worldwide Interoperability for Microwave Access)也

就是全球微波存取互通介面是一個逐漸發展的點對點或點對多點無線通訊網路

標準其不但可以提供使用者足夠的頻寬也能夠讓通訊服務業者不須要在地廣

人稀的地方佈線建立寬頻基礎建設而增加其營運成本因此許多開發中國家

及鄉村地區能透過建設 WiMAX 通訊系統以無線遠距寬頻的方式取代實體

寬頻佈線加速寬頻到家普及率

隨著無線通訊的興起天線所扮演的角色也日趨重要為了使資料的無線傳

輸達到寬頻要求天線的製作上就需要有一定的規範現行 WiMAX 覆蓋的頻段

有 253555 GHz(2500-26903400-36905250-5850 MHz)在每個國家各有不同

規定應用其中美規訂於 25GHz-269GHz而歐規訂於 34GHz-369GHz本論

文的天線陣列中心頻率設計於 355GHz為了符合 WiMAX 寬頻資料傳輸及涵蓋

範圍最大達 31 英哩的特性天線陣列的設計必須具有高增益及寬頻的特性因

此本論文的天線陣列以滿足歐洲電信標準局 (European Telecommunication

Standards Institute ETSI)規範為要求天線增益在全頻段須大於 14dBi而天線場

型符合 ETSI-TS2 mask

傳統上製作高增益天線以反射型天線[1]及透射型天線[2]為主為了減少

製作成本縮小體積我們使用了微帶天線陣列微帶天線的基本觀念早在 1950

年代就已經被提出微帶天線已應用於各方面需求針對微帶天線的寬頻設計方

2

式有利用厚空氣介質[3]饋入匹配電路[4]及使用間隙耦合貼片[5]來增加天線頻

寬另外由於有限接地面的限制會產生表面波在板材邊緣造成繞射現象使

天線的增益降低及輻射場型的扭曲為了抑制表面波的傳播我們使用電磁帶隙

(Electromagnetic Band-gap EBG)週期性結構讓某頻率範圍內禁止電磁波傳遞

這範圍也就是所謂的頻帶隙(Band-gap)由於 EBG 結構在頻帶隙產生了高阻抗表

面所以可以有效抑制表面波並提升天線性能

一般蘑菇型(mushroom)EBG 結構[6]雖易於抑制表面波的傳遞但其缺點為

製作不易因為它需要透過鉚釘(via)來達成以致增加許多成本因此在論文中

設計了無鉚釘的 EBG 結構以增加其實用性並且利用 EBG 排列包圍方式來結

合微帶天線改善輻射場型的扭曲[7]最後將結合 EBG 結構的高增益微帶天

線陣列進行實做及量測與模擬做統整與比較

12 章節介紹

本論文第二章介紹微帶貼片天線和陣列的基本原理及論文中所設計的天線

陣列結構第三章主要介紹電磁帶隙結構並對天線做一結合比較內容包括

電磁帶隙設計並使用於單一微帶天線及天線陣列最後模擬分析與量測比較

第四章為本文總結討論

3

第二章 基本理論與天線結構

(Basic Theory and Antenna Structure)

21 微帶貼片天線和陣列理論

211 微帶貼片天線理論

微帶貼片天線(Microstrip Patch Antenna)具有結構簡單製作方便高度實

用而且可以很容易地經由長度及寬度的控制來做效能微調等特性本論文中所

製作的高增益天線以縮小面積降低天線的剖面降低成本易於製作為主利

用微帶貼片天線的特色製作陣列以達到我們需要的高增益天線本論文中所設

計的天線陣列以矩形微帶貼片天線為主

矩形微帶貼片天線其結構包含了接地金屬面介電質基板還有饋入電路與

輻射金屬片如圖 2-1 所示

圖 2-1微帶貼片天線示意圖

4

其可以視為兩個相隔長度 L 的輻射槽(Radiating slot)每個槽的寬度相當於

基板的厚度 h長度則相當於貼片天線的 W理論上這兩個槽應該相距 λg2其

中 λg 為在介質中的波長在貼片天線中有兩個重要的參數等效介電常數

( effective dielectric constant )及等效貼片長度( effective length )由於貼片天線的

長和寬有限所以在天線邊緣附近的會有漏電場的現象此稱邊緣效應(edge

effect)而漏電場和貼片天線的寬度以及基板的介電常數厚度有關如果天線

的 L h 值遠大於 1則漏電場的現象不會太嚴重由於當考慮到邊緣效應貼片

天線上的電場在邊緣輻射時會同時經過介電材料及空氣所以等效介電常數便不

是原本板材的介電值藉由式(2-1)我們可以得到一等效介電常數 reffε 等效介電

常數的範圍通常為1 reff rε εlt lt

121 1 1 12 1

2 2r r

reffh W

W hε εε

minus+ minus ⎡ ⎤= + + lt⎢ ⎥⎣ ⎦ (2-1)

等效介電常數對於天線的 W 跟 L 有很大的影響貼片天線的寬度 W 是影響

天線輻射效率的最大因素其可由式(2-2)計算得知

12

0 12 2

rW λ ε minus+⎛ ⎞= ⎜ ⎟⎝ ⎠

(2-2)

而在天線輻射端的兩個槽因為邊緣效應的影響等效天線長度跟實際上的長度

會有2 LΔ 的差距由式(2-3)可以得到 LΔ

5

( )

( )

03 02640412

0258 08

reff

reff

WhL h

Wh

ε

ε

⎛ ⎞+ +⎜ ⎟⎝ ⎠Δ =⎛ ⎞minus +⎜ ⎟⎝ ⎠

(2-3)

得知 LΔ 後貼片天線的實際長度 2effL L L= minus Δ 其中 2eff gL λ= 微帶貼片天線

邊緣輸入阻抗一般介於 100~400 歐姆之間計算其輸入阻抗時可將天線的兩個

輻射槽各代表一並聯的導納 Y如圖 2-2 所示

圖 2-2微帶天線等效傳輸線電路圖

其中 G1 及 B1 的大小由天線的寬度 W 決定式(2-4)及式(2-5)為 W 與 G1 及 B1 的

關係式[9]由於在此討論的天線為矩形貼片天線天線兩邊的寬度會相同故

G2 及 B2 的大小分別與 G1 及 B1 相同而 Yc則為長度約為 2gλ 傳輸線的特性導

( )21 0

0 0

1 h1 01120 24

WG k hλ λ

⎡ ⎤= minus lt⎢ ⎥⎣ ⎦ (2-4)

01

0reff

k LBZ

εΔ= (2-5)

00

reff

hZW

ηε

= (2-6)

B1 G1 G2 B2

YC

6

求得導納之後由圖 2-2 等效傳輸線電路圖可得輸入阻抗 1in inR Y= 1 2inY Y Y= +

1Y 為槽一(slot1)的導納( 1 1 1Y G jB= + ) 2Y 為槽二(slot2)的導納( 2 2 2Y G jB= + )因

為共振長度為 2gλ 所以兩個輻射槽的電納相差 180∘( 1 2B B= minus )因此輸入導

納為 12G輸入阻抗則為 1 2R 天線的邊緣輸入阻抗求得之後我們可以利用 4λ

轉換線饋入與 50Ω接頭匹配方便饋入線(feeding line)的設計

212 陣列理論

設計天線陣列時其天線陣列的排列結構各元素間的距離各元素激發的

振幅與相位及單一元素的場型都會影響陣列的場型分佈[1]圖 2-3 為一點波源

等間距之線性陣列

圖 2-3點波源等間距之線性陣列

若元素間激發電流相位差為α一等能量饋入的天線陣列之陣列因子如式

(2-7)所示

1

00

AF cosN

jn

nA e dψ ψ β θ α

minus

=

= = +sum (2-7)

其中d為天線陣列元素的間距β 為波數θ為偏離Z軸之角度α 為元素間的相

位差

7

經過推導忽略其相位因子正歸化的陣列因子為

( ) ( )( )

sin 21sin 2

Nf

ψψ

⎡ ⎤= ⎢ ⎥

⎣ ⎦ (28)

在ψ =0時有最大值主波束的方向為

1cosdαθβ

minus ⎛ ⎞minus= ⎜ ⎟

⎝ ⎠ (29)

藉由陣列因子我們將可以預估理想狀況下天線陣列的輻射場型由於本論文天線

陣列由3times3陣列矩陣所組成且微帶天線場型是分佈在天線的垂射(broadside)方

向故在設計天線陣列的饋入網路時每個元素間所得到的能量應為等大小同

相位圖2-4及圖2-5分別為3times3天線陣列E-plane及H-plane在相同大小及相位時

所計算的陣列因子我們可以藉由適當間距的陣列因子與微帶天線的場型乘積

獲得理想上的天線陣列輻射場型分佈

8

圖 2-4在不同間距時E-plane 的陣列因子

圖 2-5在不同間距時H-plane 的陣列因子

9

22 天線結構

221 單一微帶貼片天線設計

由於微帶貼片天線是一共振型天線傳統上其頻寬較窄所以我們可以藉由

改變天線的形狀增加天線的共振路徑或者改變天線的結構以提高頻寬及增

設計微帶貼片天線時基板(substrate)影響天線效能較大的有三個參數介

質損耗(正比於 tanδ )介電常數( rε )以及厚度( h )其中介質損耗越小越好如

此可以提高天線效率及增益但相對的成本也較高而介電常數也是越小越好

如此可以增加頻寬提高天線的指向性及增益相對的天線的尺寸也越大厚度

則是越大越好如此可以提高天線效率及增益有效增加頻寬但厚度太大則容

易產生表面波使得部分能量被束缚在基板中無法輻射出去

基於上述基板對天線效能的影響以及本論文對頻寬及增益的要求我們採

用 FR4( 44rε = )玻璃纖維基板並且採用厚空氣介質如此可以有效降低等效介

電常數值及提高厚度藉以達到寬頻及高增益的特性如圖 2-6 所示

圖 2-6懸浮微帶線結構(Suspended microstrip line configuration)

10

如圖 2-6 加上 air gap 高度之後其等效介電常數會有所改變其可由式(2-10)

得到一近似值[10]

( )( )

rreff

r

h H hh H hε

εε+ minus⎡ ⎤⎣ ⎦=

+ minus (2-10)

另外懸浮微帶線的特性阻抗(假設 t=0)則由式(2-11)得到較精確的值以便設計

饋入網路[11]

2

0 10

2ln 12 re

FZu u

ηπ ε

⎡ ⎤⎛ ⎞⎢ ⎥= + + ⎜ ⎟⎢ ⎥⎝ ⎠⎣ ⎦ (2-11)

其中

( ) ( )07528306661 6 2 6 uF eπ minus= + minus (2-11a)

( )0 120η π= Ω Wuh

= (2-11b)

1

11 ln 1rer

h Wa bH h H h

εε

minus⎡ ⎤⎛ ⎞⎛ ⎞= + minus minus⎢ ⎥⎜ ⎟⎜ ⎟⎜ ⎟minus minus⎝ ⎠⎢ ⎥⎝ ⎠⎣ ⎦

(2-12)

其中

4

08621 0125ln haH h

⎡ ⎤⎛ ⎞= minus ⎜ ⎟⎢ ⎥minus⎝ ⎠⎣ ⎦ (2-12a)

4

04986 01397 ln hbH h

⎡ ⎤⎛ ⎞= minus ⎜ ⎟⎢ ⎥minus⎝ ⎠⎣ ⎦ (2-12b)

11

利用前面提到的矩形微帶天線基本理論將天線的寬度及長度求出把饋入網

路與天線元素在同一平面做一結合設計參數如表 2-1

Dielectric constant 44

Substrate thickness 08mm

Loss tangent 002

Air gap 5mm

Single patch size 416mm(W) x 335mm(L)

Feeding line width 0901mm

Feeding line length 1996mm

表 2-1矩形微帶天線設計參數

利用式(2-4)(2-5)及(2-6)求出天線邊緣的輸入阻抗再設計一四分之一波長

傳輸線饋入並以特性阻抗 Z0 的輸入埠進行模擬如圖 2-7 所示

圖 2-7矩形微帶貼片天線示意圖

Ground plane

65mm Patch antenna

W

L

Zt=9904Ω

Z0=50Ω

80mm

12

當天線共振時天線邊緣的輸入阻抗 inZ 可藉由 20in tZ Z Z= 計算得知接著

觀察中心頻率為 355GHz 的矩形微帶貼片天線其反射損耗與輻射場型圖 2-8

為反射損耗圖圖 2-9 為中心頻率 355GHz 模擬的輻射場型

圖 2-8矩形微帶貼片天線反射損耗

圖 2-9矩形微帶貼片天線在中心頻率 355GHz 模擬的輻射場型

Return Loss

13

222 高增益天線陣列設計

首先以微帶線並聯的饋入結構設計能量一分三的網路再利用傳輸線作阻

抗的匹配[13]最後再以其寬頻的特性饋入到天線陣列圖 2-10 為饋入網路示意

圖圖 2-11 及圖 2-12 分別為饋入網路之反射損耗(Return Loss)插入損耗

(Insertion Loss)以及各輸出埠相位圖

圖 2-10饋入網路示意圖

圖 2-11天線陣列饋入網路之反射損耗及插入損耗模擬圖

14

圖 2-12天線陣列饋入網路各輸出埠相位差

從圖 2-11 可以發現各輸出埠的能量在不同頻率的變化實線為埠一(port1)

的反射損耗其餘為埠二三及四的插入損耗在工作頻率的範圍輸出埠的能

量差值在 2dB 以內而每個輸出埠在工作頻率的相位差為 20deg以內

接著我們利用圖 2-10 的分歧器輸出埠接上天線三元天線陣列如圖 2-13

觀察其反射損耗(圖 2-14)與輻射場型(圖 2-15)

圖 2-13三元天線陣列

15

圖 2-14三元天線陣列反射損耗

圖 2-15三元天線陣列在中心頻率 355GHz 模擬的輻射場型

由圖 2-14圖 2-15 了解到反射損耗在工作頻段(34GHz~37GHz)滿足要求

觀察輻射場型發現增益已可達到 12dBi此時再利用一組能量一分三的分歧器

設計總天線陣列預計為三乘以三共九個元素的天線陣列設計參數如表 2-2

16

Dielectric constant(topbottom) 44 44

Substrate thickness(topbottom) 08mm 16mm

Loss tangent 002

Air gap 5mm

Upper substrate size 250mm x 200mm

Ground size 300mm x 250mm

表 2-2天線陣列設計參數

圖 2-16 為天線陣列結構圖由於饋入網路阻抗匹配與相位差對天線陣列影

響非常大所以設計其信號饋入端為 50Ω以符合實際上使用的 SMA 接頭使

饋入網路匹配

圖 2-16天線陣列結構俯視圖

17

圖 2-17 為天線陣列在(a)34GHz(b)355GHz(c)37GHz 的輻射場型從圖

中可看出模擬與量測的輻射場型相當接近增益也能達到要求

(a)34GHz

(b)355GHz

18

(c)37GHz

圖 2-17天線陣列輻射場型

天線結構確定之後對於其輻射場型的分布需求要符合 ETSI-TS2 的規範

表 2-3 為 ETSI-TS2 對輻射場型分布的要求以下針對輻射場型與 ETSI-mask 做

一比較如圖 2-18 所示從圖中發現除了 34GHz 些微超出標準之外其餘頻

段都能滿足輻射場型要求之後會將改善的部份再做比較

表 2-3ETSI-TS2 對輻射場型分布之要求

19

(a)34GHz

(b)355GHz

(c)37GHz

圖 2-18天線陣列輻射場型與 ETSI-mask 之比較

20

圖 2-19 為天線陣列模擬與量測的反射損耗其工作頻率與設計之天線相去

不遠均包含 34GHz~37GHz圖 2-20 為實際量測的增益對頻率的變化圖其

增益的全頻段都能大於 14dBi其中某些頻率點可看出 E-plane 與 H-plane 所量

測到的最大增益值並不相同這主要的原因在於由饋入網路輸出端在在不同頻率

會有些微的相位差所致使得天線的最大增益值會些微偏移一個角度不過基

本上的趨勢還是相近

圖 2-19天線陣列模擬與量測之反射損耗

21

圖 2-20天線陣列增益對頻率圖

頻率(GHz) 33 34 35 36 37 38

E-plane 增益

(dBi) 1457 1619 1702 1634 1568 1429

H-plane 增益

(dB) 1421 1582 1624 1607 1581 1434

表 2-4天線陣列增益對頻率表

22

(a)俯視圖

(b)側視圖

圖 2-21天線陣列實體圖(a)俯視圖(b)側視圖

23

第三章 電磁帶隙結構與應用

(Electromagnetic Band-Gap Structure and Its Applications )

31 單位晶胞設計與截止帶比較

在天線中通常在較高之基板厚度及較大之介電常數時容易產生表面波

干擾天線輻射為了阻止表面波的傳遞論文中設計了高阻抗表面也就是所謂

的電磁帶隙(EBG)結構能有效抑制表面波提升天線效能

在近幾年許多微波領域的研究文獻利用光子能隙(Photonic Band-Gap

PBG)的概念也就是在介電係數成週期性排列的三維介電材料中電磁波經介

電函數散射後某些波段的電磁波強度會因破壞性干涉而呈現衰減無法在系統

內傳遞而在頻譜上形成截止帶[7][8]應用這個觀念在平面式傳輸線上設計具

有週期性幾何結構的電路造成電磁波在某些頻段無法傳遞而達到濾波的效果

由於使用於微波頻段所以稱此種結構為電磁帶隙或電磁能隙(Electromagnetic

Band-Gap EBG)結構

一個 EBG 結構電路時為一個電路之接地面在沿著某方向或平面做週期性

幾何結構變化所構成的電路如圖 3-1

圖 3-1一維 EBG 結構電路圖

利用 EBG 電路的週期性幾何結構形成一個電磁波的截止帶實線一個具

有寬頻與良好效能的帶止濾波器(Bandstop Filter)本論文使用共平面緊密電磁

帶隙結構(Uniplanar Compact EBG)如圖 3-2取代傳統的完整或切割連結通道

CellCell Cell Cell Cell d d d d TL TL TL TL

24

的平面結構每個單位細胞間以細線做連結細線提供了主要的電感效應每個

單位細胞間以狹縫做為區隔細狹縫間之互容效應與單位細胞之平面電容提供

了主要電容效應利用並接的電感電容效應來達到一寬頻的截止帶

圖 3-2EBG 結構集總電路圖

為了得到我們需要的截止帶首先模擬一個理想傳輸線當對照組(圖 3-3)

使用了介電常數值為 44 的 FR4 電路板厚度為 16mm觀察其反射損耗與插入

損耗從圖 3-4 了解到傳輸線從 1GHz 到 15GHz 反射損耗皆在-20dB 以下插入

損耗-3dB 以上

圖 3-3微帶傳輸線

(a) 俯視圖

(b) 側視圖

25

圖 3-4微帶傳輸線之反射損耗與插入損耗

利用電磁帶隙週期性二維的重複結構如圖 3-5可以找到我們所需要的截止

帶從微帶線的插入損耗可以明顯得到所設計的截止帶頻段跟單位晶胞的大小

成正相關整體電路的等效電感與等效電容越大相對的頻帶也會往低頻跑

(a)正面俯視圖 (b)背面俯視圖

圖 3-5微帶線加上 EBG 結構正面與背面

26

改變單位晶胞大小與截止帶之比較分別從(圖 3-6)4mm2(圖 3-7)6mm2(圖

3-8)8mm2(圖 3-9)10mm2的晶胞大小可以控制截止帶落在哪些區域

(b)反射損耗

a b

g

gs

h

(a)單位晶胞大小

a = 4 mmb = 37 mm s = g = 03 mm h = 18 mm

a

27

圖 3-6微帶線加上 4mm2EBG 結構之晶胞大小與 S 參數比較

從圖 3-6 可以得知從 10GHz 到 12GHz 有一較深之截止帶14GHz 之後也有

截止頻帶只是實驗目標以低頻為主故只模擬到 15GHz繼續改變晶胞大小

來設計低頻截止帶

a b

g

gs

h

(a)單位晶胞大小

a = 6 mm b = 57 mm s = g = 03 mm h = 28 mm

a

(c)插入損耗

28

圖 3-7微帶線加上 6mm2EBG 結構之晶胞大小與 S 參數比較

讓 EBG 晶胞變大(6mm2)跟預期結果相符可以得到更低頻的截止帶低頻帶

從 7GHz 到 9GHz高頻帶 10GHz 之後仍然存在極深之截止帶

(b)S參數比較圖

a bg

gs

h

(a)單位晶胞大小

a = 8 mm b = 76 mm s = g = 04 mm h = 37 mm

a

29

圖 3-8微帶線加上 8mm2EBG 結構之晶胞大小與 S 參數比較

從圖 3-8 的結果得到更低頻的截止帶座落於 43GHz~58GHz 及

61GHz~7GHz 由 於 論 文 中 所 設 計 的 WiMAX 天 線 陣 列 工 作 頻 率 在

34GHz~37GHz故需再將晶胞大小改變讓系統能夠共振在更低頻處

(b)S參數比較圖

a bg

gs

h

(a)單位晶胞大小

a = 10 mm b = 93 mm s = g = 07 mm h = 42 mm

a

30

圖 3-9微帶線加上 10mm2EBG 結構之晶胞大小與 S 參數比較

將週期性電磁帶隙結構結合微帶線可以設計出需要的截止帶圖 3-9 主要

的截止帶在 325GHz~4GHz 及 465GHz~58GHz已經達到需求的頻帶範圍下

個目標將結合微帶天線做改善與比較

(b)S參數比較圖

31

32 電磁帶隙結構包圍方式之探討

321 有限接地面的探討

由於設計的微帶天線主要是在邊射(Broad-side)方向輻射所以需要選擇一個

適當的接地面大小讓輻射場型得到一個最佳值理論上來說無限大的接地面

可以得到最平滑(Smooth)的輻射場型只在單邊輻射不會受到地面干擾實際

上在有限的空間必須選擇一個適當大小的接地面以符合成本與面積要求

而有限的接地面卻容易造成邊緣效應干擾[12]表面波在接地面邊緣產生繞射場

(Diffracted fields)形成新的波源以陣列因子的觀點來看多了新的波源會造

成輻射場型加乘上的消長如圖 3-10微帶貼片天線主要是以前後兩側差半波

長之邊輻射而有限接地面則會在邊緣產生感應磁流(Induced equivalent

magnetic current)如圖 3-11從電場的指向可以推得磁流的方向對照輻射

場型容易在邊射方向造成波紋(Ripple)

圖 3-10有限接地面產生之輻射場型比較圖

L

32

圖 3-11介質中電場指向之強弱分布與感應磁流方向

由於接地面的大小在 E-plane 會產生波紋來干擾輻射場型所以論文中以

EBG 週期性結構來做為一個完美磁導體(Perfect Magnetic ConductorPMC)也

就是人工 PMC(Artificial PMC)抑制邊緣電場的垂直入射減弱感應磁流的效

應以改善天線輻射場型

322 天線周圍包覆 PMC

傳統上 EBG 以圍滿的方式來改善微帶天線之增益與輻射[13]並透過晶胞

數的不斷增加來提高增益及改善輻射場型但晶胞數的增加將提高成本加大

EBG 面積及天線整體體積高達一定數量時反而會降低天線性能對於微帶貼

片天線而言EBG 在接地面太靠近天線輻射邊反而影響其輻射機制造成頻率

飄移因此論文中將探討 EBG 的包圍方式對天線性能之影響以有最佳效果

已知高阻抗表面可以阻擋介質中表面波的傳遞因此先透過理想 PMC 來代

替所設計之高阻抗表面 EBG 結構以分析其特性找出提升天性能的最佳包圍

33

方式

首先把天線周圍包覆 PMC 如圖 3-12以逼近的方式慢慢擴大 PMC 的面積

一圈 PMC 的寬度與設計的晶胞大小邊長一樣從輻射場型來看使用到第二圈

時可以得到最佳的輻射效能如圖 3-13PMC 包圍有其最佳範圍取得有效的包

圍方式可以讓天線輻射最佳化

圖 3-12天線周圍包覆 PMC

34

圖 3-13天線周圍包覆 PMC 之輻射場型比較

參考天線 一圈 PMC 二圈 PMC 三圈 PMC

0 度增益 357dBi 432dBi 545dBi 478dBi

增益改善 075dB 188dB 121dB

表 3-1天線周圍包覆 PMC 之增益改善比較

35

323 輻射邊兩側包覆 PMC

由於微帶天線之表面波傳遞方向以 xz 切面為主如圖 3-14因此在微帶天線

輻射邊的兩側擺放 EBG 結構以抑制其傳遞有效改善天線輻射場型首先使

用理想的 PMC 在天線輻射邊兩側包覆如圖 3-15對於 PMC 覆蓋面積的大小作一

探討變化 PMC 之覆蓋面積了解其對天線輻射場型的影響在邊射(broadside)

方向的輻射場型可以有效改善波紋讓旁波瓣(sidelobe)大幅度降低如圖 3-16

所示以兩列 PMC 可以達到較佳效果再增加一列 PMC 雖些許增加增益不

過 PMC 覆蓋的面積已達飽和因此從上述可知在結合 EBG 和微帶天線時

將有一最佳之覆蓋面積使用最適當之晶胞數來達到最佳的增益改善

圖 3-14表面波在介質空間中分布

36

圖 3-15輻射邊兩側包覆 PMC

圖 3-16輻射邊兩側包覆 PMC 之輻射場型比較

37

參考天線 一列 PMC 二列 PMC 三列 PMC

0 度增益 357dBi 528dBi 642dBi 644dBi

增益改善 171dB 285dB 287dB

表 3-2輻射邊兩側包覆 PMC 之增益改善比較

33 電磁帶隙結構結合單一微帶天線

以下將結合所設計之 EBG 結構和微帶天線以改善微帶天線之輻射場型干

擾從前述的探討先以圍繞式包圍天線做輻射場型比較如圖 3-17 所示

圖 3-17天線周圍包覆 EBG 之輻射場型比較

38

0 度增益

Ref patch antenna 357dBi

圍繞 EBG 572dBi

ΔGain 215dB

表 3-3天線周圍包覆 EBG 之增益改善比較

由於表面波之傳遞主要為 X 軸方向因此以 EBG 之較寬頻的維度來抑制 X

方向的表面波其結合方式如下以兩列 EBG 結構與天線結合比較如圖 3-18

圖 3-18輻射邊兩側包覆 EBG 之輻射場型比較

39

0 度增益

Ref patch antenna 357dBi

輻射邊包覆 EBG 577dBi

ΔGain 22dB

表 3-4輻射邊兩側包覆 EBG 之增益改善比較

兩種包覆 EBG 的情形做比較使用輻射邊兩側包覆 EBG 對表面波抑制可以

達到最直接的效果再對接地面做變化令輻射邊到接地面邊緣距離等於 15 倍

空氣中波長邊緣的等效感應磁流干擾最大在垂射(broadside)方向造成 30 度到

60 度的旁波瓣將晶胞數加到三列使得輻射場型能有最佳效果如圖 3-19 所示

圖 3-19較大接地面應用更多晶胞數改善輻射場型圖

40

34 電磁帶隙結構結合微帶天線陣列

第二章敘述之高增益天線陣列由於在 E-plane 產生較大之旁波瓣因此論

文將結合 EBG 結構與天線陣列改善輻射場型以符合 ETSI-TS2 規範要求

對原本的天線陣列與改善後的天線陣列作一比較如圖 3-20 為天線結構示意圖

俯視圖 yz 切面為表面波影響較大的面因此我們在 E-plane 兩側包覆 EBG使

用三列的 EBG 週期結構另外圖 3-21 為(a)34GHz(b)355GHz(c)37GHz

輻射場型在 E-plane 的改善比較可以發現在(a)跟(b)改善的效果特別明顯旁波

瓣減弱許多而(c)原本旁波瓣就不大所以改善較不明顯再跟 ETSI-mask 做

比較如圖 3-22改善後的天線陣列距離輻射場型標準線有較大之安全距離對實

作上的誤差影響會比較小以下針對輻射場型做一比較

圖 3-20原始天線陣列與應用 EBG 之天線陣列

41

(a)34GHz E-plane 輻射場型比較

(b)355GHz E-plane 輻射場型比較

(c)37GHz E-plane 輻射場型比較

圖 3-21原始天線陣列與應用 EBG 之天線陣列輻射場型比較

(a)34GHz (b)355GHz (c)37GHz

42

(a)34GHz E-plane

(b)355GHz E-plane

(a)37GHz E-plane

圖 3-22原始天線陣列與應用 EBG 之天線陣列與 ETSI-mask 比較

(a)34GHz (b)355GHz (c)37GHz

43

35 模擬與量測結果比較

由上述模擬的結果進行實作及量測的工作如圖 3-23 為微帶天線結合 EBG

結構的架構表 3-5 列出了板材的規格使用的基板是 FR4 玻璃纖維基板並架高

空氣高度為 5mm

Dielectric constant(topbottom) 44 44

Substrate thickness(topbottom) 08mm 16mm

Loss tangent 002

Air gap 5mm

Upper substrate size 250mm x 200mm

Ground size 300mm x 250mm

表 3-5天線陣列設計參數

圖 3-23應用 EBG 之天線陣列結構圖

44

圖 3-24 為天線陣列在 34GHz355GHz37GHz 的輻射場型從圖中可以

觀察模擬與量測場型蠻相近的

(a)34GHz

(b)355GHz

45

(c)37GHz

圖 3-24天線陣列輻射場型模擬與量測比較

對於其輻射場型的分布需求要符合 ETSI-TS2 的規範以下針對輻射場型與

ETSI-mask 做一比較如圖 3-25 所示從圖中發現實作及量測輻射場型全部

工作頻段都能滿足 mask 要求完成一組高增益天線陣列

(a)34GHz

46

(b)355GHz

(c)37GHz

圖 3-25天線陣列輻射場型與 ETSI-mask 比較

圖 3-26 為天線陣列模擬與量測的反射損耗其工作頻率與設計之天線相去

不遠均包含 34GHz~37GHz頻寬設計較大的原因在於避免外在因素造成的頻

飄量測出來可達 33GHz~39GHz略往高頻飄不過與設計的反射損耗相當接

近圖 3-27 為實際量測的增益對頻率的變化圖其增益的全頻段都能大於

14dBiE-plane 與 H-plane 也較為接近整理數據如表 3-6

47

圖 3-26天線陣列反射損耗模擬與量測比較

圖 3-27天線陣列增益對頻率圖

48

頻率(GHz) 33 34 35 36 37 38

E-plane 增益

(dBi) 1485 1591 1620 1687 1627 1507

H-plane 增益

(dBi) 1421 1565 1598 1629 1607 1518

表 3-6天線陣列增益對頻率表

49

圖 3-28 為實體圖俯視圖側視圖與 EBG 實際大小比較

(a) 俯視圖

(b) 側視圖(空氣高度=05mm)

(c)EBG 實體結構

圖 3-28天線陣列實體圖

50

第四章 結論

(Conclusion)

本論文主要是研究適用於基地台的 WiMAX 頻段高增益天線陣列並控制其

頻寬增益及輻射場型能夠符合 ETSI(European Telecommunication Standards

Institute)的規範在論文第二章中提出的高增益天線陣列是利用一個能量分歧

器把能量等效分成三份的饋入網路接上三組一樣的三元素陣列矩形微帶天線所

組成的天線陣列最高增益可達到 17dBi工作頻率的增益都能超過要求的

14dBi輻射場型符合 ETSI-TS2 規範另外本論文所提出的天線陣列為印刷式

天線不但具有輕量化的特性且大幅降低製作上的困難度也減輕了成本的負擔

透過本論文所設計之 EBG 可有效降低傳統 EBG 結構的製程僅以 FR4 板

材即可自行實作比較無須鉚釘並提出有效提升微帶天線增益的包圍方式在

有限的接地面下可選擇適當的晶胞數來改善天線陣列的輻射場型抑制表面波

對天線的干擾讓邊際效應產生的感應磁流干擾降到最低最後在實作及量測部

分驗證我們模擬的結果

51

參考文獻

[1] W L Stutzman and G A Thiele Antenna Theory and Design 2nd ed New York

Wiley 1998

[2] A Balanis Antenna Theory Analysis and Design New York Wiley 1997

[3] R Gardelli G La Cono and M Albani ldquoA low-cost suspended patch antenna for

WLAN access points and point-to-point linksrdquo IEEE Antennas and Propagat vol

3 no 1 pp 90-93 2004

[4] H F Pues and A R Van de capelle ldquoAn impedance-matching technique for

increasing the bandwidth of microstrip antennasrdquo IEEE Trans on Antennas and

Propagat vol 37 no 11 pp 1345-1354 Nov 1989

[5] Q Song and XndashX Zhang ldquoA study on wideband gap-coupled microstrip antenna

arraysrdquo IEEE Trans On Antennas and Propagat vol 43 no 3 pp 313-317 Mar

1995

[6] D Sievenpiper L Z Romulo F J Broas N G Alexopolous and E Yablonovitch

ldquoHigh-impedance electromagnetic surfaces with a forbidden frequency bandrdquo

IEEE Trans Microwave Theory Tech vol 47 no 11 pp 311-335 Nov 1999

[7] F-R Yang K-P Ma Y Qian and T Itoh ldquo A Uniplanar Compact

Photonic-Bandgap (UC-PBG) Structure and Its Applications for Microwave

Circuitsrdquo IEEE Trans MTT vol 47 Aug 1999

[8] M F Abedin M Z Azad and M Ali ldquo wideband smaller unit-cell planar EBG

structures and their applicationrdquo IEEE Trans On Antenna and Propagat vol 56

no 3 pp 903-908 Mar 2008

[9] I J Bahl and P Bhartia Microstrip Antennas Artech House 1980

[10] JR James and P S Hall Handbook of Microstrip Antennas LondonPeter

Peregrinus Ltd 1989

52

[11] K C Gupta R Garg I J Bahl P Bhartia Microstrip Lines and Slotlines 2nd ed

Norwood MAArtech House 1996

[12] T Namiki Y Murayama and K Ito ldquo Improving radiation-pattern distortion of a

patch antenna having a finite ground planerdquo IEEE Trans On Antenna and

Propagat vol 51 no 3 pp 478-482 Mar 2003

[13] R Coccioli F-R Yang K-P Ma and T Itoh ldquo Aperture-coupled patch antenna

on UC-PBG substraterdquo IEEE Trans Microwave Theory Tech vol 47 no 11 pp

2123-2130 Nov 1999

[14] F Yang and Y Rahmat-samii ldquo Microstrip antenna integrated with

electromagnetic band-gap (EBG) structure a low mutual coupling design for array

applicationrdquo IEEE Trans On Antenna and Propagat vol 51 no 10 pp

2936-2946 Oct2003

[15] Z Iluz R Shavit and R Bauer ldquo Microstrip antenna phased array with

electromagnetic bandgap substraterdquo IEEE Trans On Antenna and Propagat vol

52 no 6 pp 1446-1453 June 2004

  • 封面pdf
  • 摘要與目錄pdf
  • 論文_終稿_pdf
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 DEU 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ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP 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 FRA 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 ITA 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 JPN ltFEFF9ad854c18cea51fa529b7528002000410064006f0062006500200050004400460020658766f8306e4f5c6210306b4f7f75283057307e30593002537052376642306e753b8cea3092670059279650306b4fdd306430533068304c3067304d307e3059300230c730b930af30c830c330d730d730ea30f330bf3067306e53705237307e305f306f30d730eb30fc30d57528306b9069305730663044307e305930023053306e8a2d5b9a30674f5c62103055308c305f0020005000440046002030d530a130a430eb306f3001004100630072006f0062006100740020304a30883073002000410064006f00620065002000520065006100640065007200200035002e003000204ee5964d3067958b304f30533068304c3067304d307e30593002gt KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR ltFEFF004200720075006b00200064006900730073006500200069006e006e007300740069006c006c0069006e00670065006e0065002000740069006c002000e50020006f0070007000720065007400740065002000410064006f006200650020005000440046002d0064006f006b0075006d0065006e00740065007200200066006f00720020007500740073006b00720069006600740020006100760020006800f800790020006b00760061006c00690074006500740020007000e500200062006f007200640073006b0072006900760065007200200065006c006c00650072002000700072006f006f006600650072002e0020005000440046002d0064006f006b0075006d0065006e00740065006e00650020006b0061006e002000e50070006e00650073002000690020004100630072006f00620061007400200065006c006c00650072002000410064006f00620065002000520065006100640065007200200035002e003000200065006c006c00650072002000730065006e006500720065002egt PTB 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 SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 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ESP 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FRA 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50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

2

式有利用厚空氣介質[3]饋入匹配電路[4]及使用間隙耦合貼片[5]來增加天線頻

寬另外由於有限接地面的限制會產生表面波在板材邊緣造成繞射現象使

天線的增益降低及輻射場型的扭曲為了抑制表面波的傳播我們使用電磁帶隙

(Electromagnetic Band-gap EBG)週期性結構讓某頻率範圍內禁止電磁波傳遞

這範圍也就是所謂的頻帶隙(Band-gap)由於 EBG 結構在頻帶隙產生了高阻抗表

面所以可以有效抑制表面波並提升天線性能

一般蘑菇型(mushroom)EBG 結構[6]雖易於抑制表面波的傳遞但其缺點為

製作不易因為它需要透過鉚釘(via)來達成以致增加許多成本因此在論文中

設計了無鉚釘的 EBG 結構以增加其實用性並且利用 EBG 排列包圍方式來結

合微帶天線改善輻射場型的扭曲[7]最後將結合 EBG 結構的高增益微帶天

線陣列進行實做及量測與模擬做統整與比較

12 章節介紹

本論文第二章介紹微帶貼片天線和陣列的基本原理及論文中所設計的天線

陣列結構第三章主要介紹電磁帶隙結構並對天線做一結合比較內容包括

電磁帶隙設計並使用於單一微帶天線及天線陣列最後模擬分析與量測比較

第四章為本文總結討論

3

第二章 基本理論與天線結構

(Basic Theory and Antenna Structure)

21 微帶貼片天線和陣列理論

211 微帶貼片天線理論

微帶貼片天線(Microstrip Patch Antenna)具有結構簡單製作方便高度實

用而且可以很容易地經由長度及寬度的控制來做效能微調等特性本論文中所

製作的高增益天線以縮小面積降低天線的剖面降低成本易於製作為主利

用微帶貼片天線的特色製作陣列以達到我們需要的高增益天線本論文中所設

計的天線陣列以矩形微帶貼片天線為主

矩形微帶貼片天線其結構包含了接地金屬面介電質基板還有饋入電路與

輻射金屬片如圖 2-1 所示

圖 2-1微帶貼片天線示意圖

4

其可以視為兩個相隔長度 L 的輻射槽(Radiating slot)每個槽的寬度相當於

基板的厚度 h長度則相當於貼片天線的 W理論上這兩個槽應該相距 λg2其

中 λg 為在介質中的波長在貼片天線中有兩個重要的參數等效介電常數

( effective dielectric constant )及等效貼片長度( effective length )由於貼片天線的

長和寬有限所以在天線邊緣附近的會有漏電場的現象此稱邊緣效應(edge

effect)而漏電場和貼片天線的寬度以及基板的介電常數厚度有關如果天線

的 L h 值遠大於 1則漏電場的現象不會太嚴重由於當考慮到邊緣效應貼片

天線上的電場在邊緣輻射時會同時經過介電材料及空氣所以等效介電常數便不

是原本板材的介電值藉由式(2-1)我們可以得到一等效介電常數 reffε 等效介電

常數的範圍通常為1 reff rε εlt lt

121 1 1 12 1

2 2r r

reffh W

W hε εε

minus+ minus ⎡ ⎤= + + lt⎢ ⎥⎣ ⎦ (2-1)

等效介電常數對於天線的 W 跟 L 有很大的影響貼片天線的寬度 W 是影響

天線輻射效率的最大因素其可由式(2-2)計算得知

12

0 12 2

rW λ ε minus+⎛ ⎞= ⎜ ⎟⎝ ⎠

(2-2)

而在天線輻射端的兩個槽因為邊緣效應的影響等效天線長度跟實際上的長度

會有2 LΔ 的差距由式(2-3)可以得到 LΔ

5

( )

( )

03 02640412

0258 08

reff

reff

WhL h

Wh

ε

ε

⎛ ⎞+ +⎜ ⎟⎝ ⎠Δ =⎛ ⎞minus +⎜ ⎟⎝ ⎠

(2-3)

得知 LΔ 後貼片天線的實際長度 2effL L L= minus Δ 其中 2eff gL λ= 微帶貼片天線

邊緣輸入阻抗一般介於 100~400 歐姆之間計算其輸入阻抗時可將天線的兩個

輻射槽各代表一並聯的導納 Y如圖 2-2 所示

圖 2-2微帶天線等效傳輸線電路圖

其中 G1 及 B1 的大小由天線的寬度 W 決定式(2-4)及式(2-5)為 W 與 G1 及 B1 的

關係式[9]由於在此討論的天線為矩形貼片天線天線兩邊的寬度會相同故

G2 及 B2 的大小分別與 G1 及 B1 相同而 Yc則為長度約為 2gλ 傳輸線的特性導

( )21 0

0 0

1 h1 01120 24

WG k hλ λ

⎡ ⎤= minus lt⎢ ⎥⎣ ⎦ (2-4)

01

0reff

k LBZ

εΔ= (2-5)

00

reff

hZW

ηε

= (2-6)

B1 G1 G2 B2

YC

6

求得導納之後由圖 2-2 等效傳輸線電路圖可得輸入阻抗 1in inR Y= 1 2inY Y Y= +

1Y 為槽一(slot1)的導納( 1 1 1Y G jB= + ) 2Y 為槽二(slot2)的導納( 2 2 2Y G jB= + )因

為共振長度為 2gλ 所以兩個輻射槽的電納相差 180∘( 1 2B B= minus )因此輸入導

納為 12G輸入阻抗則為 1 2R 天線的邊緣輸入阻抗求得之後我們可以利用 4λ

轉換線饋入與 50Ω接頭匹配方便饋入線(feeding line)的設計

212 陣列理論

設計天線陣列時其天線陣列的排列結構各元素間的距離各元素激發的

振幅與相位及單一元素的場型都會影響陣列的場型分佈[1]圖 2-3 為一點波源

等間距之線性陣列

圖 2-3點波源等間距之線性陣列

若元素間激發電流相位差為α一等能量饋入的天線陣列之陣列因子如式

(2-7)所示

1

00

AF cosN

jn

nA e dψ ψ β θ α

minus

=

= = +sum (2-7)

其中d為天線陣列元素的間距β 為波數θ為偏離Z軸之角度α 為元素間的相

位差

7

經過推導忽略其相位因子正歸化的陣列因子為

( ) ( )( )

sin 21sin 2

Nf

ψψ

⎡ ⎤= ⎢ ⎥

⎣ ⎦ (28)

在ψ =0時有最大值主波束的方向為

1cosdαθβ

minus ⎛ ⎞minus= ⎜ ⎟

⎝ ⎠ (29)

藉由陣列因子我們將可以預估理想狀況下天線陣列的輻射場型由於本論文天線

陣列由3times3陣列矩陣所組成且微帶天線場型是分佈在天線的垂射(broadside)方

向故在設計天線陣列的饋入網路時每個元素間所得到的能量應為等大小同

相位圖2-4及圖2-5分別為3times3天線陣列E-plane及H-plane在相同大小及相位時

所計算的陣列因子我們可以藉由適當間距的陣列因子與微帶天線的場型乘積

獲得理想上的天線陣列輻射場型分佈

8

圖 2-4在不同間距時E-plane 的陣列因子

圖 2-5在不同間距時H-plane 的陣列因子

9

22 天線結構

221 單一微帶貼片天線設計

由於微帶貼片天線是一共振型天線傳統上其頻寬較窄所以我們可以藉由

改變天線的形狀增加天線的共振路徑或者改變天線的結構以提高頻寬及增

設計微帶貼片天線時基板(substrate)影響天線效能較大的有三個參數介

質損耗(正比於 tanδ )介電常數( rε )以及厚度( h )其中介質損耗越小越好如

此可以提高天線效率及增益但相對的成本也較高而介電常數也是越小越好

如此可以增加頻寬提高天線的指向性及增益相對的天線的尺寸也越大厚度

則是越大越好如此可以提高天線效率及增益有效增加頻寬但厚度太大則容

易產生表面波使得部分能量被束缚在基板中無法輻射出去

基於上述基板對天線效能的影響以及本論文對頻寬及增益的要求我們採

用 FR4( 44rε = )玻璃纖維基板並且採用厚空氣介質如此可以有效降低等效介

電常數值及提高厚度藉以達到寬頻及高增益的特性如圖 2-6 所示

圖 2-6懸浮微帶線結構(Suspended microstrip line configuration)

10

如圖 2-6 加上 air gap 高度之後其等效介電常數會有所改變其可由式(2-10)

得到一近似值[10]

( )( )

rreff

r

h H hh H hε

εε+ minus⎡ ⎤⎣ ⎦=

+ minus (2-10)

另外懸浮微帶線的特性阻抗(假設 t=0)則由式(2-11)得到較精確的值以便設計

饋入網路[11]

2

0 10

2ln 12 re

FZu u

ηπ ε

⎡ ⎤⎛ ⎞⎢ ⎥= + + ⎜ ⎟⎢ ⎥⎝ ⎠⎣ ⎦ (2-11)

其中

( ) ( )07528306661 6 2 6 uF eπ minus= + minus (2-11a)

( )0 120η π= Ω Wuh

= (2-11b)

1

11 ln 1rer

h Wa bH h H h

εε

minus⎡ ⎤⎛ ⎞⎛ ⎞= + minus minus⎢ ⎥⎜ ⎟⎜ ⎟⎜ ⎟minus minus⎝ ⎠⎢ ⎥⎝ ⎠⎣ ⎦

(2-12)

其中

4

08621 0125ln haH h

⎡ ⎤⎛ ⎞= minus ⎜ ⎟⎢ ⎥minus⎝ ⎠⎣ ⎦ (2-12a)

4

04986 01397 ln hbH h

⎡ ⎤⎛ ⎞= minus ⎜ ⎟⎢ ⎥minus⎝ ⎠⎣ ⎦ (2-12b)

11

利用前面提到的矩形微帶天線基本理論將天線的寬度及長度求出把饋入網

路與天線元素在同一平面做一結合設計參數如表 2-1

Dielectric constant 44

Substrate thickness 08mm

Loss tangent 002

Air gap 5mm

Single patch size 416mm(W) x 335mm(L)

Feeding line width 0901mm

Feeding line length 1996mm

表 2-1矩形微帶天線設計參數

利用式(2-4)(2-5)及(2-6)求出天線邊緣的輸入阻抗再設計一四分之一波長

傳輸線饋入並以特性阻抗 Z0 的輸入埠進行模擬如圖 2-7 所示

圖 2-7矩形微帶貼片天線示意圖

Ground plane

65mm Patch antenna

W

L

Zt=9904Ω

Z0=50Ω

80mm

12

當天線共振時天線邊緣的輸入阻抗 inZ 可藉由 20in tZ Z Z= 計算得知接著

觀察中心頻率為 355GHz 的矩形微帶貼片天線其反射損耗與輻射場型圖 2-8

為反射損耗圖圖 2-9 為中心頻率 355GHz 模擬的輻射場型

圖 2-8矩形微帶貼片天線反射損耗

圖 2-9矩形微帶貼片天線在中心頻率 355GHz 模擬的輻射場型

Return Loss

13

222 高增益天線陣列設計

首先以微帶線並聯的饋入結構設計能量一分三的網路再利用傳輸線作阻

抗的匹配[13]最後再以其寬頻的特性饋入到天線陣列圖 2-10 為饋入網路示意

圖圖 2-11 及圖 2-12 分別為饋入網路之反射損耗(Return Loss)插入損耗

(Insertion Loss)以及各輸出埠相位圖

圖 2-10饋入網路示意圖

圖 2-11天線陣列饋入網路之反射損耗及插入損耗模擬圖

14

圖 2-12天線陣列饋入網路各輸出埠相位差

從圖 2-11 可以發現各輸出埠的能量在不同頻率的變化實線為埠一(port1)

的反射損耗其餘為埠二三及四的插入損耗在工作頻率的範圍輸出埠的能

量差值在 2dB 以內而每個輸出埠在工作頻率的相位差為 20deg以內

接著我們利用圖 2-10 的分歧器輸出埠接上天線三元天線陣列如圖 2-13

觀察其反射損耗(圖 2-14)與輻射場型(圖 2-15)

圖 2-13三元天線陣列

15

圖 2-14三元天線陣列反射損耗

圖 2-15三元天線陣列在中心頻率 355GHz 模擬的輻射場型

由圖 2-14圖 2-15 了解到反射損耗在工作頻段(34GHz~37GHz)滿足要求

觀察輻射場型發現增益已可達到 12dBi此時再利用一組能量一分三的分歧器

設計總天線陣列預計為三乘以三共九個元素的天線陣列設計參數如表 2-2

16

Dielectric constant(topbottom) 44 44

Substrate thickness(topbottom) 08mm 16mm

Loss tangent 002

Air gap 5mm

Upper substrate size 250mm x 200mm

Ground size 300mm x 250mm

表 2-2天線陣列設計參數

圖 2-16 為天線陣列結構圖由於饋入網路阻抗匹配與相位差對天線陣列影

響非常大所以設計其信號饋入端為 50Ω以符合實際上使用的 SMA 接頭使

饋入網路匹配

圖 2-16天線陣列結構俯視圖

17

圖 2-17 為天線陣列在(a)34GHz(b)355GHz(c)37GHz 的輻射場型從圖

中可看出模擬與量測的輻射場型相當接近增益也能達到要求

(a)34GHz

(b)355GHz

18

(c)37GHz

圖 2-17天線陣列輻射場型

天線結構確定之後對於其輻射場型的分布需求要符合 ETSI-TS2 的規範

表 2-3 為 ETSI-TS2 對輻射場型分布的要求以下針對輻射場型與 ETSI-mask 做

一比較如圖 2-18 所示從圖中發現除了 34GHz 些微超出標準之外其餘頻

段都能滿足輻射場型要求之後會將改善的部份再做比較

表 2-3ETSI-TS2 對輻射場型分布之要求

19

(a)34GHz

(b)355GHz

(c)37GHz

圖 2-18天線陣列輻射場型與 ETSI-mask 之比較

20

圖 2-19 為天線陣列模擬與量測的反射損耗其工作頻率與設計之天線相去

不遠均包含 34GHz~37GHz圖 2-20 為實際量測的增益對頻率的變化圖其

增益的全頻段都能大於 14dBi其中某些頻率點可看出 E-plane 與 H-plane 所量

測到的最大增益值並不相同這主要的原因在於由饋入網路輸出端在在不同頻率

會有些微的相位差所致使得天線的最大增益值會些微偏移一個角度不過基

本上的趨勢還是相近

圖 2-19天線陣列模擬與量測之反射損耗

21

圖 2-20天線陣列增益對頻率圖

頻率(GHz) 33 34 35 36 37 38

E-plane 增益

(dBi) 1457 1619 1702 1634 1568 1429

H-plane 增益

(dB) 1421 1582 1624 1607 1581 1434

表 2-4天線陣列增益對頻率表

22

(a)俯視圖

(b)側視圖

圖 2-21天線陣列實體圖(a)俯視圖(b)側視圖

23

第三章 電磁帶隙結構與應用

(Electromagnetic Band-Gap Structure and Its Applications )

31 單位晶胞設計與截止帶比較

在天線中通常在較高之基板厚度及較大之介電常數時容易產生表面波

干擾天線輻射為了阻止表面波的傳遞論文中設計了高阻抗表面也就是所謂

的電磁帶隙(EBG)結構能有效抑制表面波提升天線效能

在近幾年許多微波領域的研究文獻利用光子能隙(Photonic Band-Gap

PBG)的概念也就是在介電係數成週期性排列的三維介電材料中電磁波經介

電函數散射後某些波段的電磁波強度會因破壞性干涉而呈現衰減無法在系統

內傳遞而在頻譜上形成截止帶[7][8]應用這個觀念在平面式傳輸線上設計具

有週期性幾何結構的電路造成電磁波在某些頻段無法傳遞而達到濾波的效果

由於使用於微波頻段所以稱此種結構為電磁帶隙或電磁能隙(Electromagnetic

Band-Gap EBG)結構

一個 EBG 結構電路時為一個電路之接地面在沿著某方向或平面做週期性

幾何結構變化所構成的電路如圖 3-1

圖 3-1一維 EBG 結構電路圖

利用 EBG 電路的週期性幾何結構形成一個電磁波的截止帶實線一個具

有寬頻與良好效能的帶止濾波器(Bandstop Filter)本論文使用共平面緊密電磁

帶隙結構(Uniplanar Compact EBG)如圖 3-2取代傳統的完整或切割連結通道

CellCell Cell Cell Cell d d d d TL TL TL TL

24

的平面結構每個單位細胞間以細線做連結細線提供了主要的電感效應每個

單位細胞間以狹縫做為區隔細狹縫間之互容效應與單位細胞之平面電容提供

了主要電容效應利用並接的電感電容效應來達到一寬頻的截止帶

圖 3-2EBG 結構集總電路圖

為了得到我們需要的截止帶首先模擬一個理想傳輸線當對照組(圖 3-3)

使用了介電常數值為 44 的 FR4 電路板厚度為 16mm觀察其反射損耗與插入

損耗從圖 3-4 了解到傳輸線從 1GHz 到 15GHz 反射損耗皆在-20dB 以下插入

損耗-3dB 以上

圖 3-3微帶傳輸線

(a) 俯視圖

(b) 側視圖

25

圖 3-4微帶傳輸線之反射損耗與插入損耗

利用電磁帶隙週期性二維的重複結構如圖 3-5可以找到我們所需要的截止

帶從微帶線的插入損耗可以明顯得到所設計的截止帶頻段跟單位晶胞的大小

成正相關整體電路的等效電感與等效電容越大相對的頻帶也會往低頻跑

(a)正面俯視圖 (b)背面俯視圖

圖 3-5微帶線加上 EBG 結構正面與背面

26

改變單位晶胞大小與截止帶之比較分別從(圖 3-6)4mm2(圖 3-7)6mm2(圖

3-8)8mm2(圖 3-9)10mm2的晶胞大小可以控制截止帶落在哪些區域

(b)反射損耗

a b

g

gs

h

(a)單位晶胞大小

a = 4 mmb = 37 mm s = g = 03 mm h = 18 mm

a

27

圖 3-6微帶線加上 4mm2EBG 結構之晶胞大小與 S 參數比較

從圖 3-6 可以得知從 10GHz 到 12GHz 有一較深之截止帶14GHz 之後也有

截止頻帶只是實驗目標以低頻為主故只模擬到 15GHz繼續改變晶胞大小

來設計低頻截止帶

a b

g

gs

h

(a)單位晶胞大小

a = 6 mm b = 57 mm s = g = 03 mm h = 28 mm

a

(c)插入損耗

28

圖 3-7微帶線加上 6mm2EBG 結構之晶胞大小與 S 參數比較

讓 EBG 晶胞變大(6mm2)跟預期結果相符可以得到更低頻的截止帶低頻帶

從 7GHz 到 9GHz高頻帶 10GHz 之後仍然存在極深之截止帶

(b)S參數比較圖

a bg

gs

h

(a)單位晶胞大小

a = 8 mm b = 76 mm s = g = 04 mm h = 37 mm

a

29

圖 3-8微帶線加上 8mm2EBG 結構之晶胞大小與 S 參數比較

從圖 3-8 的結果得到更低頻的截止帶座落於 43GHz~58GHz 及

61GHz~7GHz 由 於 論 文 中 所 設 計 的 WiMAX 天 線 陣 列 工 作 頻 率 在

34GHz~37GHz故需再將晶胞大小改變讓系統能夠共振在更低頻處

(b)S參數比較圖

a bg

gs

h

(a)單位晶胞大小

a = 10 mm b = 93 mm s = g = 07 mm h = 42 mm

a

30

圖 3-9微帶線加上 10mm2EBG 結構之晶胞大小與 S 參數比較

將週期性電磁帶隙結構結合微帶線可以設計出需要的截止帶圖 3-9 主要

的截止帶在 325GHz~4GHz 及 465GHz~58GHz已經達到需求的頻帶範圍下

個目標將結合微帶天線做改善與比較

(b)S參數比較圖

31

32 電磁帶隙結構包圍方式之探討

321 有限接地面的探討

由於設計的微帶天線主要是在邊射(Broad-side)方向輻射所以需要選擇一個

適當的接地面大小讓輻射場型得到一個最佳值理論上來說無限大的接地面

可以得到最平滑(Smooth)的輻射場型只在單邊輻射不會受到地面干擾實際

上在有限的空間必須選擇一個適當大小的接地面以符合成本與面積要求

而有限的接地面卻容易造成邊緣效應干擾[12]表面波在接地面邊緣產生繞射場

(Diffracted fields)形成新的波源以陣列因子的觀點來看多了新的波源會造

成輻射場型加乘上的消長如圖 3-10微帶貼片天線主要是以前後兩側差半波

長之邊輻射而有限接地面則會在邊緣產生感應磁流(Induced equivalent

magnetic current)如圖 3-11從電場的指向可以推得磁流的方向對照輻射

場型容易在邊射方向造成波紋(Ripple)

圖 3-10有限接地面產生之輻射場型比較圖

L

32

圖 3-11介質中電場指向之強弱分布與感應磁流方向

由於接地面的大小在 E-plane 會產生波紋來干擾輻射場型所以論文中以

EBG 週期性結構來做為一個完美磁導體(Perfect Magnetic ConductorPMC)也

就是人工 PMC(Artificial PMC)抑制邊緣電場的垂直入射減弱感應磁流的效

應以改善天線輻射場型

322 天線周圍包覆 PMC

傳統上 EBG 以圍滿的方式來改善微帶天線之增益與輻射[13]並透過晶胞

數的不斷增加來提高增益及改善輻射場型但晶胞數的增加將提高成本加大

EBG 面積及天線整體體積高達一定數量時反而會降低天線性能對於微帶貼

片天線而言EBG 在接地面太靠近天線輻射邊反而影響其輻射機制造成頻率

飄移因此論文中將探討 EBG 的包圍方式對天線性能之影響以有最佳效果

已知高阻抗表面可以阻擋介質中表面波的傳遞因此先透過理想 PMC 來代

替所設計之高阻抗表面 EBG 結構以分析其特性找出提升天性能的最佳包圍

33

方式

首先把天線周圍包覆 PMC 如圖 3-12以逼近的方式慢慢擴大 PMC 的面積

一圈 PMC 的寬度與設計的晶胞大小邊長一樣從輻射場型來看使用到第二圈

時可以得到最佳的輻射效能如圖 3-13PMC 包圍有其最佳範圍取得有效的包

圍方式可以讓天線輻射最佳化

圖 3-12天線周圍包覆 PMC

34

圖 3-13天線周圍包覆 PMC 之輻射場型比較

參考天線 一圈 PMC 二圈 PMC 三圈 PMC

0 度增益 357dBi 432dBi 545dBi 478dBi

增益改善 075dB 188dB 121dB

表 3-1天線周圍包覆 PMC 之增益改善比較

35

323 輻射邊兩側包覆 PMC

由於微帶天線之表面波傳遞方向以 xz 切面為主如圖 3-14因此在微帶天線

輻射邊的兩側擺放 EBG 結構以抑制其傳遞有效改善天線輻射場型首先使

用理想的 PMC 在天線輻射邊兩側包覆如圖 3-15對於 PMC 覆蓋面積的大小作一

探討變化 PMC 之覆蓋面積了解其對天線輻射場型的影響在邊射(broadside)

方向的輻射場型可以有效改善波紋讓旁波瓣(sidelobe)大幅度降低如圖 3-16

所示以兩列 PMC 可以達到較佳效果再增加一列 PMC 雖些許增加增益不

過 PMC 覆蓋的面積已達飽和因此從上述可知在結合 EBG 和微帶天線時

將有一最佳之覆蓋面積使用最適當之晶胞數來達到最佳的增益改善

圖 3-14表面波在介質空間中分布

36

圖 3-15輻射邊兩側包覆 PMC

圖 3-16輻射邊兩側包覆 PMC 之輻射場型比較

37

參考天線 一列 PMC 二列 PMC 三列 PMC

0 度增益 357dBi 528dBi 642dBi 644dBi

增益改善 171dB 285dB 287dB

表 3-2輻射邊兩側包覆 PMC 之增益改善比較

33 電磁帶隙結構結合單一微帶天線

以下將結合所設計之 EBG 結構和微帶天線以改善微帶天線之輻射場型干

擾從前述的探討先以圍繞式包圍天線做輻射場型比較如圖 3-17 所示

圖 3-17天線周圍包覆 EBG 之輻射場型比較

38

0 度增益

Ref patch antenna 357dBi

圍繞 EBG 572dBi

ΔGain 215dB

表 3-3天線周圍包覆 EBG 之增益改善比較

由於表面波之傳遞主要為 X 軸方向因此以 EBG 之較寬頻的維度來抑制 X

方向的表面波其結合方式如下以兩列 EBG 結構與天線結合比較如圖 3-18

圖 3-18輻射邊兩側包覆 EBG 之輻射場型比較

39

0 度增益

Ref patch antenna 357dBi

輻射邊包覆 EBG 577dBi

ΔGain 22dB

表 3-4輻射邊兩側包覆 EBG 之增益改善比較

兩種包覆 EBG 的情形做比較使用輻射邊兩側包覆 EBG 對表面波抑制可以

達到最直接的效果再對接地面做變化令輻射邊到接地面邊緣距離等於 15 倍

空氣中波長邊緣的等效感應磁流干擾最大在垂射(broadside)方向造成 30 度到

60 度的旁波瓣將晶胞數加到三列使得輻射場型能有最佳效果如圖 3-19 所示

圖 3-19較大接地面應用更多晶胞數改善輻射場型圖

40

34 電磁帶隙結構結合微帶天線陣列

第二章敘述之高增益天線陣列由於在 E-plane 產生較大之旁波瓣因此論

文將結合 EBG 結構與天線陣列改善輻射場型以符合 ETSI-TS2 規範要求

對原本的天線陣列與改善後的天線陣列作一比較如圖 3-20 為天線結構示意圖

俯視圖 yz 切面為表面波影響較大的面因此我們在 E-plane 兩側包覆 EBG使

用三列的 EBG 週期結構另外圖 3-21 為(a)34GHz(b)355GHz(c)37GHz

輻射場型在 E-plane 的改善比較可以發現在(a)跟(b)改善的效果特別明顯旁波

瓣減弱許多而(c)原本旁波瓣就不大所以改善較不明顯再跟 ETSI-mask 做

比較如圖 3-22改善後的天線陣列距離輻射場型標準線有較大之安全距離對實

作上的誤差影響會比較小以下針對輻射場型做一比較

圖 3-20原始天線陣列與應用 EBG 之天線陣列

41

(a)34GHz E-plane 輻射場型比較

(b)355GHz E-plane 輻射場型比較

(c)37GHz E-plane 輻射場型比較

圖 3-21原始天線陣列與應用 EBG 之天線陣列輻射場型比較

(a)34GHz (b)355GHz (c)37GHz

42

(a)34GHz E-plane

(b)355GHz E-plane

(a)37GHz E-plane

圖 3-22原始天線陣列與應用 EBG 之天線陣列與 ETSI-mask 比較

(a)34GHz (b)355GHz (c)37GHz

43

35 模擬與量測結果比較

由上述模擬的結果進行實作及量測的工作如圖 3-23 為微帶天線結合 EBG

結構的架構表 3-5 列出了板材的規格使用的基板是 FR4 玻璃纖維基板並架高

空氣高度為 5mm

Dielectric constant(topbottom) 44 44

Substrate thickness(topbottom) 08mm 16mm

Loss tangent 002

Air gap 5mm

Upper substrate size 250mm x 200mm

Ground size 300mm x 250mm

表 3-5天線陣列設計參數

圖 3-23應用 EBG 之天線陣列結構圖

44

圖 3-24 為天線陣列在 34GHz355GHz37GHz 的輻射場型從圖中可以

觀察模擬與量測場型蠻相近的

(a)34GHz

(b)355GHz

45

(c)37GHz

圖 3-24天線陣列輻射場型模擬與量測比較

對於其輻射場型的分布需求要符合 ETSI-TS2 的規範以下針對輻射場型與

ETSI-mask 做一比較如圖 3-25 所示從圖中發現實作及量測輻射場型全部

工作頻段都能滿足 mask 要求完成一組高增益天線陣列

(a)34GHz

46

(b)355GHz

(c)37GHz

圖 3-25天線陣列輻射場型與 ETSI-mask 比較

圖 3-26 為天線陣列模擬與量測的反射損耗其工作頻率與設計之天線相去

不遠均包含 34GHz~37GHz頻寬設計較大的原因在於避免外在因素造成的頻

飄量測出來可達 33GHz~39GHz略往高頻飄不過與設計的反射損耗相當接

近圖 3-27 為實際量測的增益對頻率的變化圖其增益的全頻段都能大於

14dBiE-plane 與 H-plane 也較為接近整理數據如表 3-6

47

圖 3-26天線陣列反射損耗模擬與量測比較

圖 3-27天線陣列增益對頻率圖

48

頻率(GHz) 33 34 35 36 37 38

E-plane 增益

(dBi) 1485 1591 1620 1687 1627 1507

H-plane 增益

(dBi) 1421 1565 1598 1629 1607 1518

表 3-6天線陣列增益對頻率表

49

圖 3-28 為實體圖俯視圖側視圖與 EBG 實際大小比較

(a) 俯視圖

(b) 側視圖(空氣高度=05mm)

(c)EBG 實體結構

圖 3-28天線陣列實體圖

50

第四章 結論

(Conclusion)

本論文主要是研究適用於基地台的 WiMAX 頻段高增益天線陣列並控制其

頻寬增益及輻射場型能夠符合 ETSI(European Telecommunication Standards

Institute)的規範在論文第二章中提出的高增益天線陣列是利用一個能量分歧

器把能量等效分成三份的饋入網路接上三組一樣的三元素陣列矩形微帶天線所

組成的天線陣列最高增益可達到 17dBi工作頻率的增益都能超過要求的

14dBi輻射場型符合 ETSI-TS2 規範另外本論文所提出的天線陣列為印刷式

天線不但具有輕量化的特性且大幅降低製作上的困難度也減輕了成本的負擔

透過本論文所設計之 EBG 可有效降低傳統 EBG 結構的製程僅以 FR4 板

材即可自行實作比較無須鉚釘並提出有效提升微帶天線增益的包圍方式在

有限的接地面下可選擇適當的晶胞數來改善天線陣列的輻射場型抑制表面波

對天線的干擾讓邊際效應產生的感應磁流干擾降到最低最後在實作及量測部

分驗證我們模擬的結果

51

參考文獻

[1] W L Stutzman and G A Thiele Antenna Theory and Design 2nd ed New York

Wiley 1998

[2] A Balanis Antenna Theory Analysis and Design New York Wiley 1997

[3] R Gardelli G La Cono and M Albani ldquoA low-cost suspended patch antenna for

WLAN access points and point-to-point linksrdquo IEEE Antennas and Propagat vol

3 no 1 pp 90-93 2004

[4] H F Pues and A R Van de capelle ldquoAn impedance-matching technique for

increasing the bandwidth of microstrip antennasrdquo IEEE Trans on Antennas and

Propagat vol 37 no 11 pp 1345-1354 Nov 1989

[5] Q Song and XndashX Zhang ldquoA study on wideband gap-coupled microstrip antenna

arraysrdquo IEEE Trans On Antennas and Propagat vol 43 no 3 pp 313-317 Mar

1995

[6] D Sievenpiper L Z Romulo F J Broas N G Alexopolous and E Yablonovitch

ldquoHigh-impedance electromagnetic surfaces with a forbidden frequency bandrdquo

IEEE Trans Microwave Theory Tech vol 47 no 11 pp 311-335 Nov 1999

[7] F-R Yang K-P Ma Y Qian and T Itoh ldquo A Uniplanar Compact

Photonic-Bandgap (UC-PBG) Structure and Its Applications for Microwave

Circuitsrdquo IEEE Trans MTT vol 47 Aug 1999

[8] M F Abedin M Z Azad and M Ali ldquo wideband smaller unit-cell planar EBG

structures and their applicationrdquo IEEE Trans On Antenna and Propagat vol 56

no 3 pp 903-908 Mar 2008

[9] I J Bahl and P Bhartia Microstrip Antennas Artech House 1980

[10] JR James and P S Hall Handbook of Microstrip Antennas LondonPeter

Peregrinus Ltd 1989

52

[11] K C Gupta R Garg I J Bahl P Bhartia Microstrip Lines and Slotlines 2nd ed

Norwood MAArtech House 1996

[12] T Namiki Y Murayama and K Ito ldquo Improving radiation-pattern distortion of a

patch antenna having a finite ground planerdquo IEEE Trans On Antenna and

Propagat vol 51 no 3 pp 478-482 Mar 2003

[13] R Coccioli F-R Yang K-P Ma and T Itoh ldquo Aperture-coupled patch antenna

on UC-PBG substraterdquo IEEE Trans Microwave Theory Tech vol 47 no 11 pp

2123-2130 Nov 1999

[14] F Yang and Y Rahmat-samii ldquo Microstrip antenna integrated with

electromagnetic band-gap (EBG) structure a low mutual coupling design for array

applicationrdquo IEEE Trans On Antenna and Propagat vol 51 no 10 pp

2936-2946 Oct2003

[15] Z Iluz R Shavit and R Bauer ldquo Microstrip antenna phased array with

electromagnetic bandgap substraterdquo IEEE Trans On Antenna and Propagat vol

52 no 6 pp 1446-1453 June 2004

  • 封面pdf
  • 摘要與目錄pdf
  • 論文_終稿_pdf
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 DEU 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 ESP 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 FRA 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 ITA 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 JPN ltFEFF9ad854c18cea51fa529b7528002000410064006f0062006500200050004400460020658766f8306e4f5c6210306b4f7f75283057307e30593002537052376642306e753b8cea3092670059279650306b4fdd306430533068304c3067304d307e3059300230c730b930af30c830c330d730d730ea30f330bf3067306e53705237307e305f306f30d730eb30fc30d57528306b9069305730663044307e305930023053306e8a2d5b9a30674f5c62103055308c305f0020005000440046002030d530a130a430eb306f3001004100630072006f0062006100740020304a30883073002000410064006f00620065002000520065006100640065007200200035002e003000204ee5964d3067958b304f30533068304c3067304d307e30593002gt KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP 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 FRA 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 ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR ltFEFF004200720075006b00200064006900730073006500200069006e006e007300740069006c006c0069006e00670065006e0065002000740069006c002000e50020006f0070007000720065007400740065002000410064006f006200650020005000440046002d0064006f006b0075006d0065006e00740065007200200066006f00720020007500740073006b00720069006600740020006100760020006800f800790020006b00760061006c00690074006500740020007000e500200062006f007200640073006b0072006900760065007200200065006c006c00650072002000700072006f006f006600650072002e0020005000440046002d0064006f006b0075006d0065006e00740065006e00650020006b0061006e002000e50070006e00650073002000690020004100630072006f00620061007400200065006c006c00650072002000410064006f00620065002000520065006100640065007200200035002e003000200065006c006c00650072002000730065006e006500720065002egt PTB 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 SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 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50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

3

第二章 基本理論與天線結構

(Basic Theory and Antenna Structure)

21 微帶貼片天線和陣列理論

211 微帶貼片天線理論

微帶貼片天線(Microstrip Patch Antenna)具有結構簡單製作方便高度實

用而且可以很容易地經由長度及寬度的控制來做效能微調等特性本論文中所

製作的高增益天線以縮小面積降低天線的剖面降低成本易於製作為主利

用微帶貼片天線的特色製作陣列以達到我們需要的高增益天線本論文中所設

計的天線陣列以矩形微帶貼片天線為主

矩形微帶貼片天線其結構包含了接地金屬面介電質基板還有饋入電路與

輻射金屬片如圖 2-1 所示

圖 2-1微帶貼片天線示意圖

4

其可以視為兩個相隔長度 L 的輻射槽(Radiating slot)每個槽的寬度相當於

基板的厚度 h長度則相當於貼片天線的 W理論上這兩個槽應該相距 λg2其

中 λg 為在介質中的波長在貼片天線中有兩個重要的參數等效介電常數

( effective dielectric constant )及等效貼片長度( effective length )由於貼片天線的

長和寬有限所以在天線邊緣附近的會有漏電場的現象此稱邊緣效應(edge

effect)而漏電場和貼片天線的寬度以及基板的介電常數厚度有關如果天線

的 L h 值遠大於 1則漏電場的現象不會太嚴重由於當考慮到邊緣效應貼片

天線上的電場在邊緣輻射時會同時經過介電材料及空氣所以等效介電常數便不

是原本板材的介電值藉由式(2-1)我們可以得到一等效介電常數 reffε 等效介電

常數的範圍通常為1 reff rε εlt lt

121 1 1 12 1

2 2r r

reffh W

W hε εε

minus+ minus ⎡ ⎤= + + lt⎢ ⎥⎣ ⎦ (2-1)

等效介電常數對於天線的 W 跟 L 有很大的影響貼片天線的寬度 W 是影響

天線輻射效率的最大因素其可由式(2-2)計算得知

12

0 12 2

rW λ ε minus+⎛ ⎞= ⎜ ⎟⎝ ⎠

(2-2)

而在天線輻射端的兩個槽因為邊緣效應的影響等效天線長度跟實際上的長度

會有2 LΔ 的差距由式(2-3)可以得到 LΔ

5

( )

( )

03 02640412

0258 08

reff

reff

WhL h

Wh

ε

ε

⎛ ⎞+ +⎜ ⎟⎝ ⎠Δ =⎛ ⎞minus +⎜ ⎟⎝ ⎠

(2-3)

得知 LΔ 後貼片天線的實際長度 2effL L L= minus Δ 其中 2eff gL λ= 微帶貼片天線

邊緣輸入阻抗一般介於 100~400 歐姆之間計算其輸入阻抗時可將天線的兩個

輻射槽各代表一並聯的導納 Y如圖 2-2 所示

圖 2-2微帶天線等效傳輸線電路圖

其中 G1 及 B1 的大小由天線的寬度 W 決定式(2-4)及式(2-5)為 W 與 G1 及 B1 的

關係式[9]由於在此討論的天線為矩形貼片天線天線兩邊的寬度會相同故

G2 及 B2 的大小分別與 G1 及 B1 相同而 Yc則為長度約為 2gλ 傳輸線的特性導

( )21 0

0 0

1 h1 01120 24

WG k hλ λ

⎡ ⎤= minus lt⎢ ⎥⎣ ⎦ (2-4)

01

0reff

k LBZ

εΔ= (2-5)

00

reff

hZW

ηε

= (2-6)

B1 G1 G2 B2

YC

6

求得導納之後由圖 2-2 等效傳輸線電路圖可得輸入阻抗 1in inR Y= 1 2inY Y Y= +

1Y 為槽一(slot1)的導納( 1 1 1Y G jB= + ) 2Y 為槽二(slot2)的導納( 2 2 2Y G jB= + )因

為共振長度為 2gλ 所以兩個輻射槽的電納相差 180∘( 1 2B B= minus )因此輸入導

納為 12G輸入阻抗則為 1 2R 天線的邊緣輸入阻抗求得之後我們可以利用 4λ

轉換線饋入與 50Ω接頭匹配方便饋入線(feeding line)的設計

212 陣列理論

設計天線陣列時其天線陣列的排列結構各元素間的距離各元素激發的

振幅與相位及單一元素的場型都會影響陣列的場型分佈[1]圖 2-3 為一點波源

等間距之線性陣列

圖 2-3點波源等間距之線性陣列

若元素間激發電流相位差為α一等能量饋入的天線陣列之陣列因子如式

(2-7)所示

1

00

AF cosN

jn

nA e dψ ψ β θ α

minus

=

= = +sum (2-7)

其中d為天線陣列元素的間距β 為波數θ為偏離Z軸之角度α 為元素間的相

位差

7

經過推導忽略其相位因子正歸化的陣列因子為

( ) ( )( )

sin 21sin 2

Nf

ψψ

⎡ ⎤= ⎢ ⎥

⎣ ⎦ (28)

在ψ =0時有最大值主波束的方向為

1cosdαθβ

minus ⎛ ⎞minus= ⎜ ⎟

⎝ ⎠ (29)

藉由陣列因子我們將可以預估理想狀況下天線陣列的輻射場型由於本論文天線

陣列由3times3陣列矩陣所組成且微帶天線場型是分佈在天線的垂射(broadside)方

向故在設計天線陣列的饋入網路時每個元素間所得到的能量應為等大小同

相位圖2-4及圖2-5分別為3times3天線陣列E-plane及H-plane在相同大小及相位時

所計算的陣列因子我們可以藉由適當間距的陣列因子與微帶天線的場型乘積

獲得理想上的天線陣列輻射場型分佈

8

圖 2-4在不同間距時E-plane 的陣列因子

圖 2-5在不同間距時H-plane 的陣列因子

9

22 天線結構

221 單一微帶貼片天線設計

由於微帶貼片天線是一共振型天線傳統上其頻寬較窄所以我們可以藉由

改變天線的形狀增加天線的共振路徑或者改變天線的結構以提高頻寬及增

設計微帶貼片天線時基板(substrate)影響天線效能較大的有三個參數介

質損耗(正比於 tanδ )介電常數( rε )以及厚度( h )其中介質損耗越小越好如

此可以提高天線效率及增益但相對的成本也較高而介電常數也是越小越好

如此可以增加頻寬提高天線的指向性及增益相對的天線的尺寸也越大厚度

則是越大越好如此可以提高天線效率及增益有效增加頻寬但厚度太大則容

易產生表面波使得部分能量被束缚在基板中無法輻射出去

基於上述基板對天線效能的影響以及本論文對頻寬及增益的要求我們採

用 FR4( 44rε = )玻璃纖維基板並且採用厚空氣介質如此可以有效降低等效介

電常數值及提高厚度藉以達到寬頻及高增益的特性如圖 2-6 所示

圖 2-6懸浮微帶線結構(Suspended microstrip line configuration)

10

如圖 2-6 加上 air gap 高度之後其等效介電常數會有所改變其可由式(2-10)

得到一近似值[10]

( )( )

rreff

r

h H hh H hε

εε+ minus⎡ ⎤⎣ ⎦=

+ minus (2-10)

另外懸浮微帶線的特性阻抗(假設 t=0)則由式(2-11)得到較精確的值以便設計

饋入網路[11]

2

0 10

2ln 12 re

FZu u

ηπ ε

⎡ ⎤⎛ ⎞⎢ ⎥= + + ⎜ ⎟⎢ ⎥⎝ ⎠⎣ ⎦ (2-11)

其中

( ) ( )07528306661 6 2 6 uF eπ minus= + minus (2-11a)

( )0 120η π= Ω Wuh

= (2-11b)

1

11 ln 1rer

h Wa bH h H h

εε

minus⎡ ⎤⎛ ⎞⎛ ⎞= + minus minus⎢ ⎥⎜ ⎟⎜ ⎟⎜ ⎟minus minus⎝ ⎠⎢ ⎥⎝ ⎠⎣ ⎦

(2-12)

其中

4

08621 0125ln haH h

⎡ ⎤⎛ ⎞= minus ⎜ ⎟⎢ ⎥minus⎝ ⎠⎣ ⎦ (2-12a)

4

04986 01397 ln hbH h

⎡ ⎤⎛ ⎞= minus ⎜ ⎟⎢ ⎥minus⎝ ⎠⎣ ⎦ (2-12b)

11

利用前面提到的矩形微帶天線基本理論將天線的寬度及長度求出把饋入網

路與天線元素在同一平面做一結合設計參數如表 2-1

Dielectric constant 44

Substrate thickness 08mm

Loss tangent 002

Air gap 5mm

Single patch size 416mm(W) x 335mm(L)

Feeding line width 0901mm

Feeding line length 1996mm

表 2-1矩形微帶天線設計參數

利用式(2-4)(2-5)及(2-6)求出天線邊緣的輸入阻抗再設計一四分之一波長

傳輸線饋入並以特性阻抗 Z0 的輸入埠進行模擬如圖 2-7 所示

圖 2-7矩形微帶貼片天線示意圖

Ground plane

65mm Patch antenna

W

L

Zt=9904Ω

Z0=50Ω

80mm

12

當天線共振時天線邊緣的輸入阻抗 inZ 可藉由 20in tZ Z Z= 計算得知接著

觀察中心頻率為 355GHz 的矩形微帶貼片天線其反射損耗與輻射場型圖 2-8

為反射損耗圖圖 2-9 為中心頻率 355GHz 模擬的輻射場型

圖 2-8矩形微帶貼片天線反射損耗

圖 2-9矩形微帶貼片天線在中心頻率 355GHz 模擬的輻射場型

Return Loss

13

222 高增益天線陣列設計

首先以微帶線並聯的饋入結構設計能量一分三的網路再利用傳輸線作阻

抗的匹配[13]最後再以其寬頻的特性饋入到天線陣列圖 2-10 為饋入網路示意

圖圖 2-11 及圖 2-12 分別為饋入網路之反射損耗(Return Loss)插入損耗

(Insertion Loss)以及各輸出埠相位圖

圖 2-10饋入網路示意圖

圖 2-11天線陣列饋入網路之反射損耗及插入損耗模擬圖

14

圖 2-12天線陣列饋入網路各輸出埠相位差

從圖 2-11 可以發現各輸出埠的能量在不同頻率的變化實線為埠一(port1)

的反射損耗其餘為埠二三及四的插入損耗在工作頻率的範圍輸出埠的能

量差值在 2dB 以內而每個輸出埠在工作頻率的相位差為 20deg以內

接著我們利用圖 2-10 的分歧器輸出埠接上天線三元天線陣列如圖 2-13

觀察其反射損耗(圖 2-14)與輻射場型(圖 2-15)

圖 2-13三元天線陣列

15

圖 2-14三元天線陣列反射損耗

圖 2-15三元天線陣列在中心頻率 355GHz 模擬的輻射場型

由圖 2-14圖 2-15 了解到反射損耗在工作頻段(34GHz~37GHz)滿足要求

觀察輻射場型發現增益已可達到 12dBi此時再利用一組能量一分三的分歧器

設計總天線陣列預計為三乘以三共九個元素的天線陣列設計參數如表 2-2

16

Dielectric constant(topbottom) 44 44

Substrate thickness(topbottom) 08mm 16mm

Loss tangent 002

Air gap 5mm

Upper substrate size 250mm x 200mm

Ground size 300mm x 250mm

表 2-2天線陣列設計參數

圖 2-16 為天線陣列結構圖由於饋入網路阻抗匹配與相位差對天線陣列影

響非常大所以設計其信號饋入端為 50Ω以符合實際上使用的 SMA 接頭使

饋入網路匹配

圖 2-16天線陣列結構俯視圖

17

圖 2-17 為天線陣列在(a)34GHz(b)355GHz(c)37GHz 的輻射場型從圖

中可看出模擬與量測的輻射場型相當接近增益也能達到要求

(a)34GHz

(b)355GHz

18

(c)37GHz

圖 2-17天線陣列輻射場型

天線結構確定之後對於其輻射場型的分布需求要符合 ETSI-TS2 的規範

表 2-3 為 ETSI-TS2 對輻射場型分布的要求以下針對輻射場型與 ETSI-mask 做

一比較如圖 2-18 所示從圖中發現除了 34GHz 些微超出標準之外其餘頻

段都能滿足輻射場型要求之後會將改善的部份再做比較

表 2-3ETSI-TS2 對輻射場型分布之要求

19

(a)34GHz

(b)355GHz

(c)37GHz

圖 2-18天線陣列輻射場型與 ETSI-mask 之比較

20

圖 2-19 為天線陣列模擬與量測的反射損耗其工作頻率與設計之天線相去

不遠均包含 34GHz~37GHz圖 2-20 為實際量測的增益對頻率的變化圖其

增益的全頻段都能大於 14dBi其中某些頻率點可看出 E-plane 與 H-plane 所量

測到的最大增益值並不相同這主要的原因在於由饋入網路輸出端在在不同頻率

會有些微的相位差所致使得天線的最大增益值會些微偏移一個角度不過基

本上的趨勢還是相近

圖 2-19天線陣列模擬與量測之反射損耗

21

圖 2-20天線陣列增益對頻率圖

頻率(GHz) 33 34 35 36 37 38

E-plane 增益

(dBi) 1457 1619 1702 1634 1568 1429

H-plane 增益

(dB) 1421 1582 1624 1607 1581 1434

表 2-4天線陣列增益對頻率表

22

(a)俯視圖

(b)側視圖

圖 2-21天線陣列實體圖(a)俯視圖(b)側視圖

23

第三章 電磁帶隙結構與應用

(Electromagnetic Band-Gap Structure and Its Applications )

31 單位晶胞設計與截止帶比較

在天線中通常在較高之基板厚度及較大之介電常數時容易產生表面波

干擾天線輻射為了阻止表面波的傳遞論文中設計了高阻抗表面也就是所謂

的電磁帶隙(EBG)結構能有效抑制表面波提升天線效能

在近幾年許多微波領域的研究文獻利用光子能隙(Photonic Band-Gap

PBG)的概念也就是在介電係數成週期性排列的三維介電材料中電磁波經介

電函數散射後某些波段的電磁波強度會因破壞性干涉而呈現衰減無法在系統

內傳遞而在頻譜上形成截止帶[7][8]應用這個觀念在平面式傳輸線上設計具

有週期性幾何結構的電路造成電磁波在某些頻段無法傳遞而達到濾波的效果

由於使用於微波頻段所以稱此種結構為電磁帶隙或電磁能隙(Electromagnetic

Band-Gap EBG)結構

一個 EBG 結構電路時為一個電路之接地面在沿著某方向或平面做週期性

幾何結構變化所構成的電路如圖 3-1

圖 3-1一維 EBG 結構電路圖

利用 EBG 電路的週期性幾何結構形成一個電磁波的截止帶實線一個具

有寬頻與良好效能的帶止濾波器(Bandstop Filter)本論文使用共平面緊密電磁

帶隙結構(Uniplanar Compact EBG)如圖 3-2取代傳統的完整或切割連結通道

CellCell Cell Cell Cell d d d d TL TL TL TL

24

的平面結構每個單位細胞間以細線做連結細線提供了主要的電感效應每個

單位細胞間以狹縫做為區隔細狹縫間之互容效應與單位細胞之平面電容提供

了主要電容效應利用並接的電感電容效應來達到一寬頻的截止帶

圖 3-2EBG 結構集總電路圖

為了得到我們需要的截止帶首先模擬一個理想傳輸線當對照組(圖 3-3)

使用了介電常數值為 44 的 FR4 電路板厚度為 16mm觀察其反射損耗與插入

損耗從圖 3-4 了解到傳輸線從 1GHz 到 15GHz 反射損耗皆在-20dB 以下插入

損耗-3dB 以上

圖 3-3微帶傳輸線

(a) 俯視圖

(b) 側視圖

25

圖 3-4微帶傳輸線之反射損耗與插入損耗

利用電磁帶隙週期性二維的重複結構如圖 3-5可以找到我們所需要的截止

帶從微帶線的插入損耗可以明顯得到所設計的截止帶頻段跟單位晶胞的大小

成正相關整體電路的等效電感與等效電容越大相對的頻帶也會往低頻跑

(a)正面俯視圖 (b)背面俯視圖

圖 3-5微帶線加上 EBG 結構正面與背面

26

改變單位晶胞大小與截止帶之比較分別從(圖 3-6)4mm2(圖 3-7)6mm2(圖

3-8)8mm2(圖 3-9)10mm2的晶胞大小可以控制截止帶落在哪些區域

(b)反射損耗

a b

g

gs

h

(a)單位晶胞大小

a = 4 mmb = 37 mm s = g = 03 mm h = 18 mm

a

27

圖 3-6微帶線加上 4mm2EBG 結構之晶胞大小與 S 參數比較

從圖 3-6 可以得知從 10GHz 到 12GHz 有一較深之截止帶14GHz 之後也有

截止頻帶只是實驗目標以低頻為主故只模擬到 15GHz繼續改變晶胞大小

來設計低頻截止帶

a b

g

gs

h

(a)單位晶胞大小

a = 6 mm b = 57 mm s = g = 03 mm h = 28 mm

a

(c)插入損耗

28

圖 3-7微帶線加上 6mm2EBG 結構之晶胞大小與 S 參數比較

讓 EBG 晶胞變大(6mm2)跟預期結果相符可以得到更低頻的截止帶低頻帶

從 7GHz 到 9GHz高頻帶 10GHz 之後仍然存在極深之截止帶

(b)S參數比較圖

a bg

gs

h

(a)單位晶胞大小

a = 8 mm b = 76 mm s = g = 04 mm h = 37 mm

a

29

圖 3-8微帶線加上 8mm2EBG 結構之晶胞大小與 S 參數比較

從圖 3-8 的結果得到更低頻的截止帶座落於 43GHz~58GHz 及

61GHz~7GHz 由 於 論 文 中 所 設 計 的 WiMAX 天 線 陣 列 工 作 頻 率 在

34GHz~37GHz故需再將晶胞大小改變讓系統能夠共振在更低頻處

(b)S參數比較圖

a bg

gs

h

(a)單位晶胞大小

a = 10 mm b = 93 mm s = g = 07 mm h = 42 mm

a

30

圖 3-9微帶線加上 10mm2EBG 結構之晶胞大小與 S 參數比較

將週期性電磁帶隙結構結合微帶線可以設計出需要的截止帶圖 3-9 主要

的截止帶在 325GHz~4GHz 及 465GHz~58GHz已經達到需求的頻帶範圍下

個目標將結合微帶天線做改善與比較

(b)S參數比較圖

31

32 電磁帶隙結構包圍方式之探討

321 有限接地面的探討

由於設計的微帶天線主要是在邊射(Broad-side)方向輻射所以需要選擇一個

適當的接地面大小讓輻射場型得到一個最佳值理論上來說無限大的接地面

可以得到最平滑(Smooth)的輻射場型只在單邊輻射不會受到地面干擾實際

上在有限的空間必須選擇一個適當大小的接地面以符合成本與面積要求

而有限的接地面卻容易造成邊緣效應干擾[12]表面波在接地面邊緣產生繞射場

(Diffracted fields)形成新的波源以陣列因子的觀點來看多了新的波源會造

成輻射場型加乘上的消長如圖 3-10微帶貼片天線主要是以前後兩側差半波

長之邊輻射而有限接地面則會在邊緣產生感應磁流(Induced equivalent

magnetic current)如圖 3-11從電場的指向可以推得磁流的方向對照輻射

場型容易在邊射方向造成波紋(Ripple)

圖 3-10有限接地面產生之輻射場型比較圖

L

32

圖 3-11介質中電場指向之強弱分布與感應磁流方向

由於接地面的大小在 E-plane 會產生波紋來干擾輻射場型所以論文中以

EBG 週期性結構來做為一個完美磁導體(Perfect Magnetic ConductorPMC)也

就是人工 PMC(Artificial PMC)抑制邊緣電場的垂直入射減弱感應磁流的效

應以改善天線輻射場型

322 天線周圍包覆 PMC

傳統上 EBG 以圍滿的方式來改善微帶天線之增益與輻射[13]並透過晶胞

數的不斷增加來提高增益及改善輻射場型但晶胞數的增加將提高成本加大

EBG 面積及天線整體體積高達一定數量時反而會降低天線性能對於微帶貼

片天線而言EBG 在接地面太靠近天線輻射邊反而影響其輻射機制造成頻率

飄移因此論文中將探討 EBG 的包圍方式對天線性能之影響以有最佳效果

已知高阻抗表面可以阻擋介質中表面波的傳遞因此先透過理想 PMC 來代

替所設計之高阻抗表面 EBG 結構以分析其特性找出提升天性能的最佳包圍

33

方式

首先把天線周圍包覆 PMC 如圖 3-12以逼近的方式慢慢擴大 PMC 的面積

一圈 PMC 的寬度與設計的晶胞大小邊長一樣從輻射場型來看使用到第二圈

時可以得到最佳的輻射效能如圖 3-13PMC 包圍有其最佳範圍取得有效的包

圍方式可以讓天線輻射最佳化

圖 3-12天線周圍包覆 PMC

34

圖 3-13天線周圍包覆 PMC 之輻射場型比較

參考天線 一圈 PMC 二圈 PMC 三圈 PMC

0 度增益 357dBi 432dBi 545dBi 478dBi

增益改善 075dB 188dB 121dB

表 3-1天線周圍包覆 PMC 之增益改善比較

35

323 輻射邊兩側包覆 PMC

由於微帶天線之表面波傳遞方向以 xz 切面為主如圖 3-14因此在微帶天線

輻射邊的兩側擺放 EBG 結構以抑制其傳遞有效改善天線輻射場型首先使

用理想的 PMC 在天線輻射邊兩側包覆如圖 3-15對於 PMC 覆蓋面積的大小作一

探討變化 PMC 之覆蓋面積了解其對天線輻射場型的影響在邊射(broadside)

方向的輻射場型可以有效改善波紋讓旁波瓣(sidelobe)大幅度降低如圖 3-16

所示以兩列 PMC 可以達到較佳效果再增加一列 PMC 雖些許增加增益不

過 PMC 覆蓋的面積已達飽和因此從上述可知在結合 EBG 和微帶天線時

將有一最佳之覆蓋面積使用最適當之晶胞數來達到最佳的增益改善

圖 3-14表面波在介質空間中分布

36

圖 3-15輻射邊兩側包覆 PMC

圖 3-16輻射邊兩側包覆 PMC 之輻射場型比較

37

參考天線 一列 PMC 二列 PMC 三列 PMC

0 度增益 357dBi 528dBi 642dBi 644dBi

增益改善 171dB 285dB 287dB

表 3-2輻射邊兩側包覆 PMC 之增益改善比較

33 電磁帶隙結構結合單一微帶天線

以下將結合所設計之 EBG 結構和微帶天線以改善微帶天線之輻射場型干

擾從前述的探討先以圍繞式包圍天線做輻射場型比較如圖 3-17 所示

圖 3-17天線周圍包覆 EBG 之輻射場型比較

38

0 度增益

Ref patch antenna 357dBi

圍繞 EBG 572dBi

ΔGain 215dB

表 3-3天線周圍包覆 EBG 之增益改善比較

由於表面波之傳遞主要為 X 軸方向因此以 EBG 之較寬頻的維度來抑制 X

方向的表面波其結合方式如下以兩列 EBG 結構與天線結合比較如圖 3-18

圖 3-18輻射邊兩側包覆 EBG 之輻射場型比較

39

0 度增益

Ref patch antenna 357dBi

輻射邊包覆 EBG 577dBi

ΔGain 22dB

表 3-4輻射邊兩側包覆 EBG 之增益改善比較

兩種包覆 EBG 的情形做比較使用輻射邊兩側包覆 EBG 對表面波抑制可以

達到最直接的效果再對接地面做變化令輻射邊到接地面邊緣距離等於 15 倍

空氣中波長邊緣的等效感應磁流干擾最大在垂射(broadside)方向造成 30 度到

60 度的旁波瓣將晶胞數加到三列使得輻射場型能有最佳效果如圖 3-19 所示

圖 3-19較大接地面應用更多晶胞數改善輻射場型圖

40

34 電磁帶隙結構結合微帶天線陣列

第二章敘述之高增益天線陣列由於在 E-plane 產生較大之旁波瓣因此論

文將結合 EBG 結構與天線陣列改善輻射場型以符合 ETSI-TS2 規範要求

對原本的天線陣列與改善後的天線陣列作一比較如圖 3-20 為天線結構示意圖

俯視圖 yz 切面為表面波影響較大的面因此我們在 E-plane 兩側包覆 EBG使

用三列的 EBG 週期結構另外圖 3-21 為(a)34GHz(b)355GHz(c)37GHz

輻射場型在 E-plane 的改善比較可以發現在(a)跟(b)改善的效果特別明顯旁波

瓣減弱許多而(c)原本旁波瓣就不大所以改善較不明顯再跟 ETSI-mask 做

比較如圖 3-22改善後的天線陣列距離輻射場型標準線有較大之安全距離對實

作上的誤差影響會比較小以下針對輻射場型做一比較

圖 3-20原始天線陣列與應用 EBG 之天線陣列

41

(a)34GHz E-plane 輻射場型比較

(b)355GHz E-plane 輻射場型比較

(c)37GHz E-plane 輻射場型比較

圖 3-21原始天線陣列與應用 EBG 之天線陣列輻射場型比較

(a)34GHz (b)355GHz (c)37GHz

42

(a)34GHz E-plane

(b)355GHz E-plane

(a)37GHz E-plane

圖 3-22原始天線陣列與應用 EBG 之天線陣列與 ETSI-mask 比較

(a)34GHz (b)355GHz (c)37GHz

43

35 模擬與量測結果比較

由上述模擬的結果進行實作及量測的工作如圖 3-23 為微帶天線結合 EBG

結構的架構表 3-5 列出了板材的規格使用的基板是 FR4 玻璃纖維基板並架高

空氣高度為 5mm

Dielectric constant(topbottom) 44 44

Substrate thickness(topbottom) 08mm 16mm

Loss tangent 002

Air gap 5mm

Upper substrate size 250mm x 200mm

Ground size 300mm x 250mm

表 3-5天線陣列設計參數

圖 3-23應用 EBG 之天線陣列結構圖

44

圖 3-24 為天線陣列在 34GHz355GHz37GHz 的輻射場型從圖中可以

觀察模擬與量測場型蠻相近的

(a)34GHz

(b)355GHz

45

(c)37GHz

圖 3-24天線陣列輻射場型模擬與量測比較

對於其輻射場型的分布需求要符合 ETSI-TS2 的規範以下針對輻射場型與

ETSI-mask 做一比較如圖 3-25 所示從圖中發現實作及量測輻射場型全部

工作頻段都能滿足 mask 要求完成一組高增益天線陣列

(a)34GHz

46

(b)355GHz

(c)37GHz

圖 3-25天線陣列輻射場型與 ETSI-mask 比較

圖 3-26 為天線陣列模擬與量測的反射損耗其工作頻率與設計之天線相去

不遠均包含 34GHz~37GHz頻寬設計較大的原因在於避免外在因素造成的頻

飄量測出來可達 33GHz~39GHz略往高頻飄不過與設計的反射損耗相當接

近圖 3-27 為實際量測的增益對頻率的變化圖其增益的全頻段都能大於

14dBiE-plane 與 H-plane 也較為接近整理數據如表 3-6

47

圖 3-26天線陣列反射損耗模擬與量測比較

圖 3-27天線陣列增益對頻率圖

48

頻率(GHz) 33 34 35 36 37 38

E-plane 增益

(dBi) 1485 1591 1620 1687 1627 1507

H-plane 增益

(dBi) 1421 1565 1598 1629 1607 1518

表 3-6天線陣列增益對頻率表

49

圖 3-28 為實體圖俯視圖側視圖與 EBG 實際大小比較

(a) 俯視圖

(b) 側視圖(空氣高度=05mm)

(c)EBG 實體結構

圖 3-28天線陣列實體圖

50

第四章 結論

(Conclusion)

本論文主要是研究適用於基地台的 WiMAX 頻段高增益天線陣列並控制其

頻寬增益及輻射場型能夠符合 ETSI(European Telecommunication Standards

Institute)的規範在論文第二章中提出的高增益天線陣列是利用一個能量分歧

器把能量等效分成三份的饋入網路接上三組一樣的三元素陣列矩形微帶天線所

組成的天線陣列最高增益可達到 17dBi工作頻率的增益都能超過要求的

14dBi輻射場型符合 ETSI-TS2 規範另外本論文所提出的天線陣列為印刷式

天線不但具有輕量化的特性且大幅降低製作上的困難度也減輕了成本的負擔

透過本論文所設計之 EBG 可有效降低傳統 EBG 結構的製程僅以 FR4 板

材即可自行實作比較無須鉚釘並提出有效提升微帶天線增益的包圍方式在

有限的接地面下可選擇適當的晶胞數來改善天線陣列的輻射場型抑制表面波

對天線的干擾讓邊際效應產生的感應磁流干擾降到最低最後在實作及量測部

分驗證我們模擬的結果

51

參考文獻

[1] W L Stutzman and G A Thiele Antenna Theory and Design 2nd ed New York

Wiley 1998

[2] A Balanis Antenna Theory Analysis and Design New York Wiley 1997

[3] R Gardelli G La Cono and M Albani ldquoA low-cost suspended patch antenna for

WLAN access points and point-to-point linksrdquo IEEE Antennas and Propagat vol

3 no 1 pp 90-93 2004

[4] H F Pues and A R Van de capelle ldquoAn impedance-matching technique for

increasing the bandwidth of microstrip antennasrdquo IEEE Trans on Antennas and

Propagat vol 37 no 11 pp 1345-1354 Nov 1989

[5] Q Song and XndashX Zhang ldquoA study on wideband gap-coupled microstrip antenna

arraysrdquo IEEE Trans On Antennas and Propagat vol 43 no 3 pp 313-317 Mar

1995

[6] D Sievenpiper L Z Romulo F J Broas N G Alexopolous and E Yablonovitch

ldquoHigh-impedance electromagnetic surfaces with a forbidden frequency bandrdquo

IEEE Trans Microwave Theory Tech vol 47 no 11 pp 311-335 Nov 1999

[7] F-R Yang K-P Ma Y Qian and T Itoh ldquo A Uniplanar Compact

Photonic-Bandgap (UC-PBG) Structure and Its Applications for Microwave

Circuitsrdquo IEEE Trans MTT vol 47 Aug 1999

[8] M F Abedin M Z Azad and M Ali ldquo wideband smaller unit-cell planar EBG

structures and their applicationrdquo IEEE Trans On Antenna and Propagat vol 56

no 3 pp 903-908 Mar 2008

[9] I J Bahl and P Bhartia Microstrip Antennas Artech House 1980

[10] JR James and P S Hall Handbook of Microstrip Antennas LondonPeter

Peregrinus Ltd 1989

52

[11] K C Gupta R Garg I J Bahl P Bhartia Microstrip Lines and Slotlines 2nd ed

Norwood MAArtech House 1996

[12] T Namiki Y Murayama and K Ito ldquo Improving radiation-pattern distortion of a

patch antenna having a finite ground planerdquo IEEE Trans On Antenna and

Propagat vol 51 no 3 pp 478-482 Mar 2003

[13] R Coccioli F-R Yang K-P Ma and T Itoh ldquo Aperture-coupled patch antenna

on UC-PBG substraterdquo IEEE Trans Microwave Theory Tech vol 47 no 11 pp

2123-2130 Nov 1999

[14] F Yang and Y Rahmat-samii ldquo Microstrip antenna integrated with

electromagnetic band-gap (EBG) structure a low mutual coupling design for array

applicationrdquo IEEE Trans On Antenna and Propagat vol 51 no 10 pp

2936-2946 Oct2003

[15] Z Iluz R Shavit and R Bauer ldquo Microstrip antenna phased array with

electromagnetic bandgap substraterdquo IEEE Trans On Antenna and Propagat vol

52 no 6 pp 1446-1453 June 2004

  • 封面pdf
  • 摘要與目錄pdf
  • 論文_終稿_pdf
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ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU ltFEFF00560065007200770065006e00640065006e0020005300690065002000640069006500730065002000450069006e007300740065006c006c0075006e00670065006e0020007a0075006d002000450072007300740065006c006c0065006e00200076006f006e002000410064006f006200650020005000440046002d0044006f006b0075006d0065006e00740065006e002c00200076006f006e002000640065006e0065006e002000530069006500200068006f00630068007700650072007400690067006500200044007200750063006b006500200061007500660020004400650073006b0074006f0070002d0044007200750063006b00650072006e00200075006e0064002000500072006f006f0066002d00470065007200e400740065006e002000650072007a0065007500670065006e0020006d00f60063006800740065006e002e002000450072007300740065006c006c007400650020005000440046002d0044006f006b0075006d0065006e007400650020006b00f6006e006e0065006e0020006d006900740020004100630072006f00620061007400200075006e0064002000410064006f00620065002000520065006100640065007200200035002e00300020006f0064006500720020006800f600680065007200200067006500f600660066006e00650074002000770065007200640065006e002egt ESP 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 FRA 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 ITA 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 JPN ltFEFF9ad854c18cea51fa529b7528002000410064006f0062006500200050004400460020658766f8306e4f5c6210306b4f7f75283057307e30593002537052376642306e753b8cea3092670059279650306b4fdd306430533068304c3067304d307e3059300230c730b930af30c830c330d730d730ea30f330bf3067306e53705237307e305f306f30d730eb30fc30d57528306b9069305730663044307e305930023053306e8a2d5b9a30674f5c62103055308c305f0020005000440046002030d530a130a430eb306f3001004100630072006f0062006100740020304a30883073002000410064006f00620065002000520065006100640065007200200035002e003000204ee5964d3067958b304f30533068304c3067304d307e30593002gt KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP 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 FRA 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 ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO ltFEFF004b00e40079007400e40020006e00e40069007400e4002000610073006500740075006b007300690061002c0020006b0075006e0020006c0075006f0074002000410064006f0062006500200050004400460020002d0064006f006b0075006d0065006e007400740065006a00610020006c0061006100640075006b006100730074006100200074007900f6007000f60079007400e400740075006c006f0073007400750073007400610020006a00610020007600650064006f007300740075007300740061002000760061007200740065006e002e00200020004c0075006f0064007500740020005000440046002d0064006f006b0075006d0065006e00740069007400200076006f0069006400610061006e0020006100760061007400610020004100630072006f0062006100740069006c006c00610020006a0061002000410064006f00620065002000520065006100640065007200200035002e0030003a006c006c00610020006a006100200075007500640065006d006d0069006c006c0061002egt SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

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4

其可以視為兩個相隔長度 L 的輻射槽(Radiating slot)每個槽的寬度相當於

基板的厚度 h長度則相當於貼片天線的 W理論上這兩個槽應該相距 λg2其

中 λg 為在介質中的波長在貼片天線中有兩個重要的參數等效介電常數

( effective dielectric constant )及等效貼片長度( effective length )由於貼片天線的

長和寬有限所以在天線邊緣附近的會有漏電場的現象此稱邊緣效應(edge

effect)而漏電場和貼片天線的寬度以及基板的介電常數厚度有關如果天線

的 L h 值遠大於 1則漏電場的現象不會太嚴重由於當考慮到邊緣效應貼片

天線上的電場在邊緣輻射時會同時經過介電材料及空氣所以等效介電常數便不

是原本板材的介電值藉由式(2-1)我們可以得到一等效介電常數 reffε 等效介電

常數的範圍通常為1 reff rε εlt lt

121 1 1 12 1

2 2r r

reffh W

W hε εε

minus+ minus ⎡ ⎤= + + lt⎢ ⎥⎣ ⎦ (2-1)

等效介電常數對於天線的 W 跟 L 有很大的影響貼片天線的寬度 W 是影響

天線輻射效率的最大因素其可由式(2-2)計算得知

12

0 12 2

rW λ ε minus+⎛ ⎞= ⎜ ⎟⎝ ⎠

(2-2)

而在天線輻射端的兩個槽因為邊緣效應的影響等效天線長度跟實際上的長度

會有2 LΔ 的差距由式(2-3)可以得到 LΔ

5

( )

( )

03 02640412

0258 08

reff

reff

WhL h

Wh

ε

ε

⎛ ⎞+ +⎜ ⎟⎝ ⎠Δ =⎛ ⎞minus +⎜ ⎟⎝ ⎠

(2-3)

得知 LΔ 後貼片天線的實際長度 2effL L L= minus Δ 其中 2eff gL λ= 微帶貼片天線

邊緣輸入阻抗一般介於 100~400 歐姆之間計算其輸入阻抗時可將天線的兩個

輻射槽各代表一並聯的導納 Y如圖 2-2 所示

圖 2-2微帶天線等效傳輸線電路圖

其中 G1 及 B1 的大小由天線的寬度 W 決定式(2-4)及式(2-5)為 W 與 G1 及 B1 的

關係式[9]由於在此討論的天線為矩形貼片天線天線兩邊的寬度會相同故

G2 及 B2 的大小分別與 G1 及 B1 相同而 Yc則為長度約為 2gλ 傳輸線的特性導

( )21 0

0 0

1 h1 01120 24

WG k hλ λ

⎡ ⎤= minus lt⎢ ⎥⎣ ⎦ (2-4)

01

0reff

k LBZ

εΔ= (2-5)

00

reff

hZW

ηε

= (2-6)

B1 G1 G2 B2

YC

6

求得導納之後由圖 2-2 等效傳輸線電路圖可得輸入阻抗 1in inR Y= 1 2inY Y Y= +

1Y 為槽一(slot1)的導納( 1 1 1Y G jB= + ) 2Y 為槽二(slot2)的導納( 2 2 2Y G jB= + )因

為共振長度為 2gλ 所以兩個輻射槽的電納相差 180∘( 1 2B B= minus )因此輸入導

納為 12G輸入阻抗則為 1 2R 天線的邊緣輸入阻抗求得之後我們可以利用 4λ

轉換線饋入與 50Ω接頭匹配方便饋入線(feeding line)的設計

212 陣列理論

設計天線陣列時其天線陣列的排列結構各元素間的距離各元素激發的

振幅與相位及單一元素的場型都會影響陣列的場型分佈[1]圖 2-3 為一點波源

等間距之線性陣列

圖 2-3點波源等間距之線性陣列

若元素間激發電流相位差為α一等能量饋入的天線陣列之陣列因子如式

(2-7)所示

1

00

AF cosN

jn

nA e dψ ψ β θ α

minus

=

= = +sum (2-7)

其中d為天線陣列元素的間距β 為波數θ為偏離Z軸之角度α 為元素間的相

位差

7

經過推導忽略其相位因子正歸化的陣列因子為

( ) ( )( )

sin 21sin 2

Nf

ψψ

⎡ ⎤= ⎢ ⎥

⎣ ⎦ (28)

在ψ =0時有最大值主波束的方向為

1cosdαθβ

minus ⎛ ⎞minus= ⎜ ⎟

⎝ ⎠ (29)

藉由陣列因子我們將可以預估理想狀況下天線陣列的輻射場型由於本論文天線

陣列由3times3陣列矩陣所組成且微帶天線場型是分佈在天線的垂射(broadside)方

向故在設計天線陣列的饋入網路時每個元素間所得到的能量應為等大小同

相位圖2-4及圖2-5分別為3times3天線陣列E-plane及H-plane在相同大小及相位時

所計算的陣列因子我們可以藉由適當間距的陣列因子與微帶天線的場型乘積

獲得理想上的天線陣列輻射場型分佈

8

圖 2-4在不同間距時E-plane 的陣列因子

圖 2-5在不同間距時H-plane 的陣列因子

9

22 天線結構

221 單一微帶貼片天線設計

由於微帶貼片天線是一共振型天線傳統上其頻寬較窄所以我們可以藉由

改變天線的形狀增加天線的共振路徑或者改變天線的結構以提高頻寬及增

設計微帶貼片天線時基板(substrate)影響天線效能較大的有三個參數介

質損耗(正比於 tanδ )介電常數( rε )以及厚度( h )其中介質損耗越小越好如

此可以提高天線效率及增益但相對的成本也較高而介電常數也是越小越好

如此可以增加頻寬提高天線的指向性及增益相對的天線的尺寸也越大厚度

則是越大越好如此可以提高天線效率及增益有效增加頻寬但厚度太大則容

易產生表面波使得部分能量被束缚在基板中無法輻射出去

基於上述基板對天線效能的影響以及本論文對頻寬及增益的要求我們採

用 FR4( 44rε = )玻璃纖維基板並且採用厚空氣介質如此可以有效降低等效介

電常數值及提高厚度藉以達到寬頻及高增益的特性如圖 2-6 所示

圖 2-6懸浮微帶線結構(Suspended microstrip line configuration)

10

如圖 2-6 加上 air gap 高度之後其等效介電常數會有所改變其可由式(2-10)

得到一近似值[10]

( )( )

rreff

r

h H hh H hε

εε+ minus⎡ ⎤⎣ ⎦=

+ minus (2-10)

另外懸浮微帶線的特性阻抗(假設 t=0)則由式(2-11)得到較精確的值以便設計

饋入網路[11]

2

0 10

2ln 12 re

FZu u

ηπ ε

⎡ ⎤⎛ ⎞⎢ ⎥= + + ⎜ ⎟⎢ ⎥⎝ ⎠⎣ ⎦ (2-11)

其中

( ) ( )07528306661 6 2 6 uF eπ minus= + minus (2-11a)

( )0 120η π= Ω Wuh

= (2-11b)

1

11 ln 1rer

h Wa bH h H h

εε

minus⎡ ⎤⎛ ⎞⎛ ⎞= + minus minus⎢ ⎥⎜ ⎟⎜ ⎟⎜ ⎟minus minus⎝ ⎠⎢ ⎥⎝ ⎠⎣ ⎦

(2-12)

其中

4

08621 0125ln haH h

⎡ ⎤⎛ ⎞= minus ⎜ ⎟⎢ ⎥minus⎝ ⎠⎣ ⎦ (2-12a)

4

04986 01397 ln hbH h

⎡ ⎤⎛ ⎞= minus ⎜ ⎟⎢ ⎥minus⎝ ⎠⎣ ⎦ (2-12b)

11

利用前面提到的矩形微帶天線基本理論將天線的寬度及長度求出把饋入網

路與天線元素在同一平面做一結合設計參數如表 2-1

Dielectric constant 44

Substrate thickness 08mm

Loss tangent 002

Air gap 5mm

Single patch size 416mm(W) x 335mm(L)

Feeding line width 0901mm

Feeding line length 1996mm

表 2-1矩形微帶天線設計參數

利用式(2-4)(2-5)及(2-6)求出天線邊緣的輸入阻抗再設計一四分之一波長

傳輸線饋入並以特性阻抗 Z0 的輸入埠進行模擬如圖 2-7 所示

圖 2-7矩形微帶貼片天線示意圖

Ground plane

65mm Patch antenna

W

L

Zt=9904Ω

Z0=50Ω

80mm

12

當天線共振時天線邊緣的輸入阻抗 inZ 可藉由 20in tZ Z Z= 計算得知接著

觀察中心頻率為 355GHz 的矩形微帶貼片天線其反射損耗與輻射場型圖 2-8

為反射損耗圖圖 2-9 為中心頻率 355GHz 模擬的輻射場型

圖 2-8矩形微帶貼片天線反射損耗

圖 2-9矩形微帶貼片天線在中心頻率 355GHz 模擬的輻射場型

Return Loss

13

222 高增益天線陣列設計

首先以微帶線並聯的饋入結構設計能量一分三的網路再利用傳輸線作阻

抗的匹配[13]最後再以其寬頻的特性饋入到天線陣列圖 2-10 為饋入網路示意

圖圖 2-11 及圖 2-12 分別為饋入網路之反射損耗(Return Loss)插入損耗

(Insertion Loss)以及各輸出埠相位圖

圖 2-10饋入網路示意圖

圖 2-11天線陣列饋入網路之反射損耗及插入損耗模擬圖

14

圖 2-12天線陣列饋入網路各輸出埠相位差

從圖 2-11 可以發現各輸出埠的能量在不同頻率的變化實線為埠一(port1)

的反射損耗其餘為埠二三及四的插入損耗在工作頻率的範圍輸出埠的能

量差值在 2dB 以內而每個輸出埠在工作頻率的相位差為 20deg以內

接著我們利用圖 2-10 的分歧器輸出埠接上天線三元天線陣列如圖 2-13

觀察其反射損耗(圖 2-14)與輻射場型(圖 2-15)

圖 2-13三元天線陣列

15

圖 2-14三元天線陣列反射損耗

圖 2-15三元天線陣列在中心頻率 355GHz 模擬的輻射場型

由圖 2-14圖 2-15 了解到反射損耗在工作頻段(34GHz~37GHz)滿足要求

觀察輻射場型發現增益已可達到 12dBi此時再利用一組能量一分三的分歧器

設計總天線陣列預計為三乘以三共九個元素的天線陣列設計參數如表 2-2

16

Dielectric constant(topbottom) 44 44

Substrate thickness(topbottom) 08mm 16mm

Loss tangent 002

Air gap 5mm

Upper substrate size 250mm x 200mm

Ground size 300mm x 250mm

表 2-2天線陣列設計參數

圖 2-16 為天線陣列結構圖由於饋入網路阻抗匹配與相位差對天線陣列影

響非常大所以設計其信號饋入端為 50Ω以符合實際上使用的 SMA 接頭使

饋入網路匹配

圖 2-16天線陣列結構俯視圖

17

圖 2-17 為天線陣列在(a)34GHz(b)355GHz(c)37GHz 的輻射場型從圖

中可看出模擬與量測的輻射場型相當接近增益也能達到要求

(a)34GHz

(b)355GHz

18

(c)37GHz

圖 2-17天線陣列輻射場型

天線結構確定之後對於其輻射場型的分布需求要符合 ETSI-TS2 的規範

表 2-3 為 ETSI-TS2 對輻射場型分布的要求以下針對輻射場型與 ETSI-mask 做

一比較如圖 2-18 所示從圖中發現除了 34GHz 些微超出標準之外其餘頻

段都能滿足輻射場型要求之後會將改善的部份再做比較

表 2-3ETSI-TS2 對輻射場型分布之要求

19

(a)34GHz

(b)355GHz

(c)37GHz

圖 2-18天線陣列輻射場型與 ETSI-mask 之比較

20

圖 2-19 為天線陣列模擬與量測的反射損耗其工作頻率與設計之天線相去

不遠均包含 34GHz~37GHz圖 2-20 為實際量測的增益對頻率的變化圖其

增益的全頻段都能大於 14dBi其中某些頻率點可看出 E-plane 與 H-plane 所量

測到的最大增益值並不相同這主要的原因在於由饋入網路輸出端在在不同頻率

會有些微的相位差所致使得天線的最大增益值會些微偏移一個角度不過基

本上的趨勢還是相近

圖 2-19天線陣列模擬與量測之反射損耗

21

圖 2-20天線陣列增益對頻率圖

頻率(GHz) 33 34 35 36 37 38

E-plane 增益

(dBi) 1457 1619 1702 1634 1568 1429

H-plane 增益

(dB) 1421 1582 1624 1607 1581 1434

表 2-4天線陣列增益對頻率表

22

(a)俯視圖

(b)側視圖

圖 2-21天線陣列實體圖(a)俯視圖(b)側視圖

23

第三章 電磁帶隙結構與應用

(Electromagnetic Band-Gap Structure and Its Applications )

31 單位晶胞設計與截止帶比較

在天線中通常在較高之基板厚度及較大之介電常數時容易產生表面波

干擾天線輻射為了阻止表面波的傳遞論文中設計了高阻抗表面也就是所謂

的電磁帶隙(EBG)結構能有效抑制表面波提升天線效能

在近幾年許多微波領域的研究文獻利用光子能隙(Photonic Band-Gap

PBG)的概念也就是在介電係數成週期性排列的三維介電材料中電磁波經介

電函數散射後某些波段的電磁波強度會因破壞性干涉而呈現衰減無法在系統

內傳遞而在頻譜上形成截止帶[7][8]應用這個觀念在平面式傳輸線上設計具

有週期性幾何結構的電路造成電磁波在某些頻段無法傳遞而達到濾波的效果

由於使用於微波頻段所以稱此種結構為電磁帶隙或電磁能隙(Electromagnetic

Band-Gap EBG)結構

一個 EBG 結構電路時為一個電路之接地面在沿著某方向或平面做週期性

幾何結構變化所構成的電路如圖 3-1

圖 3-1一維 EBG 結構電路圖

利用 EBG 電路的週期性幾何結構形成一個電磁波的截止帶實線一個具

有寬頻與良好效能的帶止濾波器(Bandstop Filter)本論文使用共平面緊密電磁

帶隙結構(Uniplanar Compact EBG)如圖 3-2取代傳統的完整或切割連結通道

CellCell Cell Cell Cell d d d d TL TL TL TL

24

的平面結構每個單位細胞間以細線做連結細線提供了主要的電感效應每個

單位細胞間以狹縫做為區隔細狹縫間之互容效應與單位細胞之平面電容提供

了主要電容效應利用並接的電感電容效應來達到一寬頻的截止帶

圖 3-2EBG 結構集總電路圖

為了得到我們需要的截止帶首先模擬一個理想傳輸線當對照組(圖 3-3)

使用了介電常數值為 44 的 FR4 電路板厚度為 16mm觀察其反射損耗與插入

損耗從圖 3-4 了解到傳輸線從 1GHz 到 15GHz 反射損耗皆在-20dB 以下插入

損耗-3dB 以上

圖 3-3微帶傳輸線

(a) 俯視圖

(b) 側視圖

25

圖 3-4微帶傳輸線之反射損耗與插入損耗

利用電磁帶隙週期性二維的重複結構如圖 3-5可以找到我們所需要的截止

帶從微帶線的插入損耗可以明顯得到所設計的截止帶頻段跟單位晶胞的大小

成正相關整體電路的等效電感與等效電容越大相對的頻帶也會往低頻跑

(a)正面俯視圖 (b)背面俯視圖

圖 3-5微帶線加上 EBG 結構正面與背面

26

改變單位晶胞大小與截止帶之比較分別從(圖 3-6)4mm2(圖 3-7)6mm2(圖

3-8)8mm2(圖 3-9)10mm2的晶胞大小可以控制截止帶落在哪些區域

(b)反射損耗

a b

g

gs

h

(a)單位晶胞大小

a = 4 mmb = 37 mm s = g = 03 mm h = 18 mm

a

27

圖 3-6微帶線加上 4mm2EBG 結構之晶胞大小與 S 參數比較

從圖 3-6 可以得知從 10GHz 到 12GHz 有一較深之截止帶14GHz 之後也有

截止頻帶只是實驗目標以低頻為主故只模擬到 15GHz繼續改變晶胞大小

來設計低頻截止帶

a b

g

gs

h

(a)單位晶胞大小

a = 6 mm b = 57 mm s = g = 03 mm h = 28 mm

a

(c)插入損耗

28

圖 3-7微帶線加上 6mm2EBG 結構之晶胞大小與 S 參數比較

讓 EBG 晶胞變大(6mm2)跟預期結果相符可以得到更低頻的截止帶低頻帶

從 7GHz 到 9GHz高頻帶 10GHz 之後仍然存在極深之截止帶

(b)S參數比較圖

a bg

gs

h

(a)單位晶胞大小

a = 8 mm b = 76 mm s = g = 04 mm h = 37 mm

a

29

圖 3-8微帶線加上 8mm2EBG 結構之晶胞大小與 S 參數比較

從圖 3-8 的結果得到更低頻的截止帶座落於 43GHz~58GHz 及

61GHz~7GHz 由 於 論 文 中 所 設 計 的 WiMAX 天 線 陣 列 工 作 頻 率 在

34GHz~37GHz故需再將晶胞大小改變讓系統能夠共振在更低頻處

(b)S參數比較圖

a bg

gs

h

(a)單位晶胞大小

a = 10 mm b = 93 mm s = g = 07 mm h = 42 mm

a

30

圖 3-9微帶線加上 10mm2EBG 結構之晶胞大小與 S 參數比較

將週期性電磁帶隙結構結合微帶線可以設計出需要的截止帶圖 3-9 主要

的截止帶在 325GHz~4GHz 及 465GHz~58GHz已經達到需求的頻帶範圍下

個目標將結合微帶天線做改善與比較

(b)S參數比較圖

31

32 電磁帶隙結構包圍方式之探討

321 有限接地面的探討

由於設計的微帶天線主要是在邊射(Broad-side)方向輻射所以需要選擇一個

適當的接地面大小讓輻射場型得到一個最佳值理論上來說無限大的接地面

可以得到最平滑(Smooth)的輻射場型只在單邊輻射不會受到地面干擾實際

上在有限的空間必須選擇一個適當大小的接地面以符合成本與面積要求

而有限的接地面卻容易造成邊緣效應干擾[12]表面波在接地面邊緣產生繞射場

(Diffracted fields)形成新的波源以陣列因子的觀點來看多了新的波源會造

成輻射場型加乘上的消長如圖 3-10微帶貼片天線主要是以前後兩側差半波

長之邊輻射而有限接地面則會在邊緣產生感應磁流(Induced equivalent

magnetic current)如圖 3-11從電場的指向可以推得磁流的方向對照輻射

場型容易在邊射方向造成波紋(Ripple)

圖 3-10有限接地面產生之輻射場型比較圖

L

32

圖 3-11介質中電場指向之強弱分布與感應磁流方向

由於接地面的大小在 E-plane 會產生波紋來干擾輻射場型所以論文中以

EBG 週期性結構來做為一個完美磁導體(Perfect Magnetic ConductorPMC)也

就是人工 PMC(Artificial PMC)抑制邊緣電場的垂直入射減弱感應磁流的效

應以改善天線輻射場型

322 天線周圍包覆 PMC

傳統上 EBG 以圍滿的方式來改善微帶天線之增益與輻射[13]並透過晶胞

數的不斷增加來提高增益及改善輻射場型但晶胞數的增加將提高成本加大

EBG 面積及天線整體體積高達一定數量時反而會降低天線性能對於微帶貼

片天線而言EBG 在接地面太靠近天線輻射邊反而影響其輻射機制造成頻率

飄移因此論文中將探討 EBG 的包圍方式對天線性能之影響以有最佳效果

已知高阻抗表面可以阻擋介質中表面波的傳遞因此先透過理想 PMC 來代

替所設計之高阻抗表面 EBG 結構以分析其特性找出提升天性能的最佳包圍

33

方式

首先把天線周圍包覆 PMC 如圖 3-12以逼近的方式慢慢擴大 PMC 的面積

一圈 PMC 的寬度與設計的晶胞大小邊長一樣從輻射場型來看使用到第二圈

時可以得到最佳的輻射效能如圖 3-13PMC 包圍有其最佳範圍取得有效的包

圍方式可以讓天線輻射最佳化

圖 3-12天線周圍包覆 PMC

34

圖 3-13天線周圍包覆 PMC 之輻射場型比較

參考天線 一圈 PMC 二圈 PMC 三圈 PMC

0 度增益 357dBi 432dBi 545dBi 478dBi

增益改善 075dB 188dB 121dB

表 3-1天線周圍包覆 PMC 之增益改善比較

35

323 輻射邊兩側包覆 PMC

由於微帶天線之表面波傳遞方向以 xz 切面為主如圖 3-14因此在微帶天線

輻射邊的兩側擺放 EBG 結構以抑制其傳遞有效改善天線輻射場型首先使

用理想的 PMC 在天線輻射邊兩側包覆如圖 3-15對於 PMC 覆蓋面積的大小作一

探討變化 PMC 之覆蓋面積了解其對天線輻射場型的影響在邊射(broadside)

方向的輻射場型可以有效改善波紋讓旁波瓣(sidelobe)大幅度降低如圖 3-16

所示以兩列 PMC 可以達到較佳效果再增加一列 PMC 雖些許增加增益不

過 PMC 覆蓋的面積已達飽和因此從上述可知在結合 EBG 和微帶天線時

將有一最佳之覆蓋面積使用最適當之晶胞數來達到最佳的增益改善

圖 3-14表面波在介質空間中分布

36

圖 3-15輻射邊兩側包覆 PMC

圖 3-16輻射邊兩側包覆 PMC 之輻射場型比較

37

參考天線 一列 PMC 二列 PMC 三列 PMC

0 度增益 357dBi 528dBi 642dBi 644dBi

增益改善 171dB 285dB 287dB

表 3-2輻射邊兩側包覆 PMC 之增益改善比較

33 電磁帶隙結構結合單一微帶天線

以下將結合所設計之 EBG 結構和微帶天線以改善微帶天線之輻射場型干

擾從前述的探討先以圍繞式包圍天線做輻射場型比較如圖 3-17 所示

圖 3-17天線周圍包覆 EBG 之輻射場型比較

38

0 度增益

Ref patch antenna 357dBi

圍繞 EBG 572dBi

ΔGain 215dB

表 3-3天線周圍包覆 EBG 之增益改善比較

由於表面波之傳遞主要為 X 軸方向因此以 EBG 之較寬頻的維度來抑制 X

方向的表面波其結合方式如下以兩列 EBG 結構與天線結合比較如圖 3-18

圖 3-18輻射邊兩側包覆 EBG 之輻射場型比較

39

0 度增益

Ref patch antenna 357dBi

輻射邊包覆 EBG 577dBi

ΔGain 22dB

表 3-4輻射邊兩側包覆 EBG 之增益改善比較

兩種包覆 EBG 的情形做比較使用輻射邊兩側包覆 EBG 對表面波抑制可以

達到最直接的效果再對接地面做變化令輻射邊到接地面邊緣距離等於 15 倍

空氣中波長邊緣的等效感應磁流干擾最大在垂射(broadside)方向造成 30 度到

60 度的旁波瓣將晶胞數加到三列使得輻射場型能有最佳效果如圖 3-19 所示

圖 3-19較大接地面應用更多晶胞數改善輻射場型圖

40

34 電磁帶隙結構結合微帶天線陣列

第二章敘述之高增益天線陣列由於在 E-plane 產生較大之旁波瓣因此論

文將結合 EBG 結構與天線陣列改善輻射場型以符合 ETSI-TS2 規範要求

對原本的天線陣列與改善後的天線陣列作一比較如圖 3-20 為天線結構示意圖

俯視圖 yz 切面為表面波影響較大的面因此我們在 E-plane 兩側包覆 EBG使

用三列的 EBG 週期結構另外圖 3-21 為(a)34GHz(b)355GHz(c)37GHz

輻射場型在 E-plane 的改善比較可以發現在(a)跟(b)改善的效果特別明顯旁波

瓣減弱許多而(c)原本旁波瓣就不大所以改善較不明顯再跟 ETSI-mask 做

比較如圖 3-22改善後的天線陣列距離輻射場型標準線有較大之安全距離對實

作上的誤差影響會比較小以下針對輻射場型做一比較

圖 3-20原始天線陣列與應用 EBG 之天線陣列

41

(a)34GHz E-plane 輻射場型比較

(b)355GHz E-plane 輻射場型比較

(c)37GHz E-plane 輻射場型比較

圖 3-21原始天線陣列與應用 EBG 之天線陣列輻射場型比較

(a)34GHz (b)355GHz (c)37GHz

42

(a)34GHz E-plane

(b)355GHz E-plane

(a)37GHz E-plane

圖 3-22原始天線陣列與應用 EBG 之天線陣列與 ETSI-mask 比較

(a)34GHz (b)355GHz (c)37GHz

43

35 模擬與量測結果比較

由上述模擬的結果進行實作及量測的工作如圖 3-23 為微帶天線結合 EBG

結構的架構表 3-5 列出了板材的規格使用的基板是 FR4 玻璃纖維基板並架高

空氣高度為 5mm

Dielectric constant(topbottom) 44 44

Substrate thickness(topbottom) 08mm 16mm

Loss tangent 002

Air gap 5mm

Upper substrate size 250mm x 200mm

Ground size 300mm x 250mm

表 3-5天線陣列設計參數

圖 3-23應用 EBG 之天線陣列結構圖

44

圖 3-24 為天線陣列在 34GHz355GHz37GHz 的輻射場型從圖中可以

觀察模擬與量測場型蠻相近的

(a)34GHz

(b)355GHz

45

(c)37GHz

圖 3-24天線陣列輻射場型模擬與量測比較

對於其輻射場型的分布需求要符合 ETSI-TS2 的規範以下針對輻射場型與

ETSI-mask 做一比較如圖 3-25 所示從圖中發現實作及量測輻射場型全部

工作頻段都能滿足 mask 要求完成一組高增益天線陣列

(a)34GHz

46

(b)355GHz

(c)37GHz

圖 3-25天線陣列輻射場型與 ETSI-mask 比較

圖 3-26 為天線陣列模擬與量測的反射損耗其工作頻率與設計之天線相去

不遠均包含 34GHz~37GHz頻寬設計較大的原因在於避免外在因素造成的頻

飄量測出來可達 33GHz~39GHz略往高頻飄不過與設計的反射損耗相當接

近圖 3-27 為實際量測的增益對頻率的變化圖其增益的全頻段都能大於

14dBiE-plane 與 H-plane 也較為接近整理數據如表 3-6

47

圖 3-26天線陣列反射損耗模擬與量測比較

圖 3-27天線陣列增益對頻率圖

48

頻率(GHz) 33 34 35 36 37 38

E-plane 增益

(dBi) 1485 1591 1620 1687 1627 1507

H-plane 增益

(dBi) 1421 1565 1598 1629 1607 1518

表 3-6天線陣列增益對頻率表

49

圖 3-28 為實體圖俯視圖側視圖與 EBG 實際大小比較

(a) 俯視圖

(b) 側視圖(空氣高度=05mm)

(c)EBG 實體結構

圖 3-28天線陣列實體圖

50

第四章 結論

(Conclusion)

本論文主要是研究適用於基地台的 WiMAX 頻段高增益天線陣列並控制其

頻寬增益及輻射場型能夠符合 ETSI(European Telecommunication Standards

Institute)的規範在論文第二章中提出的高增益天線陣列是利用一個能量分歧

器把能量等效分成三份的饋入網路接上三組一樣的三元素陣列矩形微帶天線所

組成的天線陣列最高增益可達到 17dBi工作頻率的增益都能超過要求的

14dBi輻射場型符合 ETSI-TS2 規範另外本論文所提出的天線陣列為印刷式

天線不但具有輕量化的特性且大幅降低製作上的困難度也減輕了成本的負擔

透過本論文所設計之 EBG 可有效降低傳統 EBG 結構的製程僅以 FR4 板

材即可自行實作比較無須鉚釘並提出有效提升微帶天線增益的包圍方式在

有限的接地面下可選擇適當的晶胞數來改善天線陣列的輻射場型抑制表面波

對天線的干擾讓邊際效應產生的感應磁流干擾降到最低最後在實作及量測部

分驗證我們模擬的結果

51

參考文獻

[1] W L Stutzman and G A Thiele Antenna Theory and Design 2nd ed New York

Wiley 1998

[2] A Balanis Antenna Theory Analysis and Design New York Wiley 1997

[3] R Gardelli G La Cono and M Albani ldquoA low-cost suspended patch antenna for

WLAN access points and point-to-point linksrdquo IEEE Antennas and Propagat vol

3 no 1 pp 90-93 2004

[4] H F Pues and A R Van de capelle ldquoAn impedance-matching technique for

increasing the bandwidth of microstrip antennasrdquo IEEE Trans on Antennas and

Propagat vol 37 no 11 pp 1345-1354 Nov 1989

[5] Q Song and XndashX Zhang ldquoA study on wideband gap-coupled microstrip antenna

arraysrdquo IEEE Trans On Antennas and Propagat vol 43 no 3 pp 313-317 Mar

1995

[6] D Sievenpiper L Z Romulo F J Broas N G Alexopolous and E Yablonovitch

ldquoHigh-impedance electromagnetic surfaces with a forbidden frequency bandrdquo

IEEE Trans Microwave Theory Tech vol 47 no 11 pp 311-335 Nov 1999

[7] F-R Yang K-P Ma Y Qian and T Itoh ldquo A Uniplanar Compact

Photonic-Bandgap (UC-PBG) Structure and Its Applications for Microwave

Circuitsrdquo IEEE Trans MTT vol 47 Aug 1999

[8] M F Abedin M Z Azad and M Ali ldquo wideband smaller unit-cell planar EBG

structures and their applicationrdquo IEEE Trans On Antenna and Propagat vol 56

no 3 pp 903-908 Mar 2008

[9] I J Bahl and P Bhartia Microstrip Antennas Artech House 1980

[10] JR James and P S Hall Handbook of Microstrip Antennas LondonPeter

Peregrinus Ltd 1989

52

[11] K C Gupta R Garg I J Bahl P Bhartia Microstrip Lines and Slotlines 2nd ed

Norwood MAArtech House 1996

[12] T Namiki Y Murayama and K Ito ldquo Improving radiation-pattern distortion of a

patch antenna having a finite ground planerdquo IEEE Trans On Antenna and

Propagat vol 51 no 3 pp 478-482 Mar 2003

[13] R Coccioli F-R Yang K-P Ma and T Itoh ldquo Aperture-coupled patch antenna

on UC-PBG substraterdquo IEEE Trans Microwave Theory Tech vol 47 no 11 pp

2123-2130 Nov 1999

[14] F Yang and Y Rahmat-samii ldquo Microstrip antenna integrated with

electromagnetic band-gap (EBG) structure a low mutual coupling design for array

applicationrdquo IEEE Trans On Antenna and Propagat vol 51 no 10 pp

2936-2946 Oct2003

[15] Z Iluz R Shavit and R Bauer ldquo Microstrip antenna phased array with

electromagnetic bandgap substraterdquo IEEE Trans On Antenna and Propagat vol

52 no 6 pp 1446-1453 June 2004

  • 封面pdf
  • 摘要與目錄pdf
  • 論文_終稿_pdf
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 DEU 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FRA 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 PTB ltFEFF005500740069006c0069007a006500200065007300730061007300200063006f006e00660069006700750072006100e700f50065007300200064006500200066006f0072006d00610020006100200063007200690061007200200064006f00630075006d0065006e0074006f0073002000410064006f0062006500200050004400460020007000610072006100200069006d0070007200650073007300f5006500730020006400650020007100750061006c0069006400610064006500200065006d00200069006d00700072006500730073006f0072006100730020006400650073006b0074006f00700020006500200064006900730070006f00730069007400690076006f0073002000640065002000700072006f00760061002e0020004f007300200064006f00630075006d0065006e0074006f00730020005000440046002000630072006900610064006f007300200070006f00640065006d0020007300650072002000610062006500720074006f007300200063006f006d0020006f0020004100630072006f006200610074002000650020006f002000410064006f00620065002000520065006100640065007200200035002e0030002000650020007600650072007300f50065007300200070006f00730074006500720069006f007200650073002egt SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN ltFEFF004200720075006700200069006e0064007300740069006c006c0069006e006700650072006e0065002000740069006c0020006100740020006f007000720065007400740065002000410064006f006200650020005000440046002d0064006f006b0075006d0065006e007400650072002000740069006c0020006b00760061006c00690074006500740073007500640073006b007200690076006e0069006e006700200065006c006c006500720020006b006f007200720065006b007400750072006c00e60073006e0069006e0067002e0020004400650020006f007000720065007400740065006400650020005000440046002d0064006f006b0075006d0065006e0074006500720020006b0061006e002000e50062006e00650073002000690020004100630072006f00620061007400200065006c006c006500720020004100630072006f006200610074002000520065006100640065007200200035002e00300020006f00670020006e0079006500720065002egt DEU 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 ESP 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 FRA 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 ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR ltFEFF004200720075006b00200064006900730073006500200069006e006e007300740069006c006c0069006e00670065006e0065002000740069006c002000e50020006f0070007000720065007400740065002000410064006f006200650020005000440046002d0064006f006b0075006d0065006e00740065007200200066006f00720020007500740073006b00720069006600740020006100760020006800f800790020006b00760061006c00690074006500740020007000e500200062006f007200640073006b0072006900760065007200200065006c006c00650072002000700072006f006f006600650072002e0020005000440046002d0064006f006b0075006d0065006e00740065006e00650020006b0061006e002000e50070006e00650073002000690020004100630072006f00620061007400200065006c006c00650072002000410064006f00620065002000520065006100640065007200200035002e003000200065006c006c00650072002000730065006e006500720065002egt PTB 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 SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly 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5

( )

( )

03 02640412

0258 08

reff

reff

WhL h

Wh

ε

ε

⎛ ⎞+ +⎜ ⎟⎝ ⎠Δ =⎛ ⎞minus +⎜ ⎟⎝ ⎠

(2-3)

得知 LΔ 後貼片天線的實際長度 2effL L L= minus Δ 其中 2eff gL λ= 微帶貼片天線

邊緣輸入阻抗一般介於 100~400 歐姆之間計算其輸入阻抗時可將天線的兩個

輻射槽各代表一並聯的導納 Y如圖 2-2 所示

圖 2-2微帶天線等效傳輸線電路圖

其中 G1 及 B1 的大小由天線的寬度 W 決定式(2-4)及式(2-5)為 W 與 G1 及 B1 的

關係式[9]由於在此討論的天線為矩形貼片天線天線兩邊的寬度會相同故

G2 及 B2 的大小分別與 G1 及 B1 相同而 Yc則為長度約為 2gλ 傳輸線的特性導

( )21 0

0 0

1 h1 01120 24

WG k hλ λ

⎡ ⎤= minus lt⎢ ⎥⎣ ⎦ (2-4)

01

0reff

k LBZ

εΔ= (2-5)

00

reff

hZW

ηε

= (2-6)

B1 G1 G2 B2

YC

6

求得導納之後由圖 2-2 等效傳輸線電路圖可得輸入阻抗 1in inR Y= 1 2inY Y Y= +

1Y 為槽一(slot1)的導納( 1 1 1Y G jB= + ) 2Y 為槽二(slot2)的導納( 2 2 2Y G jB= + )因

為共振長度為 2gλ 所以兩個輻射槽的電納相差 180∘( 1 2B B= minus )因此輸入導

納為 12G輸入阻抗則為 1 2R 天線的邊緣輸入阻抗求得之後我們可以利用 4λ

轉換線饋入與 50Ω接頭匹配方便饋入線(feeding line)的設計

212 陣列理論

設計天線陣列時其天線陣列的排列結構各元素間的距離各元素激發的

振幅與相位及單一元素的場型都會影響陣列的場型分佈[1]圖 2-3 為一點波源

等間距之線性陣列

圖 2-3點波源等間距之線性陣列

若元素間激發電流相位差為α一等能量饋入的天線陣列之陣列因子如式

(2-7)所示

1

00

AF cosN

jn

nA e dψ ψ β θ α

minus

=

= = +sum (2-7)

其中d為天線陣列元素的間距β 為波數θ為偏離Z軸之角度α 為元素間的相

位差

7

經過推導忽略其相位因子正歸化的陣列因子為

( ) ( )( )

sin 21sin 2

Nf

ψψ

⎡ ⎤= ⎢ ⎥

⎣ ⎦ (28)

在ψ =0時有最大值主波束的方向為

1cosdαθβ

minus ⎛ ⎞minus= ⎜ ⎟

⎝ ⎠ (29)

藉由陣列因子我們將可以預估理想狀況下天線陣列的輻射場型由於本論文天線

陣列由3times3陣列矩陣所組成且微帶天線場型是分佈在天線的垂射(broadside)方

向故在設計天線陣列的饋入網路時每個元素間所得到的能量應為等大小同

相位圖2-4及圖2-5分別為3times3天線陣列E-plane及H-plane在相同大小及相位時

所計算的陣列因子我們可以藉由適當間距的陣列因子與微帶天線的場型乘積

獲得理想上的天線陣列輻射場型分佈

8

圖 2-4在不同間距時E-plane 的陣列因子

圖 2-5在不同間距時H-plane 的陣列因子

9

22 天線結構

221 單一微帶貼片天線設計

由於微帶貼片天線是一共振型天線傳統上其頻寬較窄所以我們可以藉由

改變天線的形狀增加天線的共振路徑或者改變天線的結構以提高頻寬及增

設計微帶貼片天線時基板(substrate)影響天線效能較大的有三個參數介

質損耗(正比於 tanδ )介電常數( rε )以及厚度( h )其中介質損耗越小越好如

此可以提高天線效率及增益但相對的成本也較高而介電常數也是越小越好

如此可以增加頻寬提高天線的指向性及增益相對的天線的尺寸也越大厚度

則是越大越好如此可以提高天線效率及增益有效增加頻寬但厚度太大則容

易產生表面波使得部分能量被束缚在基板中無法輻射出去

基於上述基板對天線效能的影響以及本論文對頻寬及增益的要求我們採

用 FR4( 44rε = )玻璃纖維基板並且採用厚空氣介質如此可以有效降低等效介

電常數值及提高厚度藉以達到寬頻及高增益的特性如圖 2-6 所示

圖 2-6懸浮微帶線結構(Suspended microstrip line configuration)

10

如圖 2-6 加上 air gap 高度之後其等效介電常數會有所改變其可由式(2-10)

得到一近似值[10]

( )( )

rreff

r

h H hh H hε

εε+ minus⎡ ⎤⎣ ⎦=

+ minus (2-10)

另外懸浮微帶線的特性阻抗(假設 t=0)則由式(2-11)得到較精確的值以便設計

饋入網路[11]

2

0 10

2ln 12 re

FZu u

ηπ ε

⎡ ⎤⎛ ⎞⎢ ⎥= + + ⎜ ⎟⎢ ⎥⎝ ⎠⎣ ⎦ (2-11)

其中

( ) ( )07528306661 6 2 6 uF eπ minus= + minus (2-11a)

( )0 120η π= Ω Wuh

= (2-11b)

1

11 ln 1rer

h Wa bH h H h

εε

minus⎡ ⎤⎛ ⎞⎛ ⎞= + minus minus⎢ ⎥⎜ ⎟⎜ ⎟⎜ ⎟minus minus⎝ ⎠⎢ ⎥⎝ ⎠⎣ ⎦

(2-12)

其中

4

08621 0125ln haH h

⎡ ⎤⎛ ⎞= minus ⎜ ⎟⎢ ⎥minus⎝ ⎠⎣ ⎦ (2-12a)

4

04986 01397 ln hbH h

⎡ ⎤⎛ ⎞= minus ⎜ ⎟⎢ ⎥minus⎝ ⎠⎣ ⎦ (2-12b)

11

利用前面提到的矩形微帶天線基本理論將天線的寬度及長度求出把饋入網

路與天線元素在同一平面做一結合設計參數如表 2-1

Dielectric constant 44

Substrate thickness 08mm

Loss tangent 002

Air gap 5mm

Single patch size 416mm(W) x 335mm(L)

Feeding line width 0901mm

Feeding line length 1996mm

表 2-1矩形微帶天線設計參數

利用式(2-4)(2-5)及(2-6)求出天線邊緣的輸入阻抗再設計一四分之一波長

傳輸線饋入並以特性阻抗 Z0 的輸入埠進行模擬如圖 2-7 所示

圖 2-7矩形微帶貼片天線示意圖

Ground plane

65mm Patch antenna

W

L

Zt=9904Ω

Z0=50Ω

80mm

12

當天線共振時天線邊緣的輸入阻抗 inZ 可藉由 20in tZ Z Z= 計算得知接著

觀察中心頻率為 355GHz 的矩形微帶貼片天線其反射損耗與輻射場型圖 2-8

為反射損耗圖圖 2-9 為中心頻率 355GHz 模擬的輻射場型

圖 2-8矩形微帶貼片天線反射損耗

圖 2-9矩形微帶貼片天線在中心頻率 355GHz 模擬的輻射場型

Return Loss

13

222 高增益天線陣列設計

首先以微帶線並聯的饋入結構設計能量一分三的網路再利用傳輸線作阻

抗的匹配[13]最後再以其寬頻的特性饋入到天線陣列圖 2-10 為饋入網路示意

圖圖 2-11 及圖 2-12 分別為饋入網路之反射損耗(Return Loss)插入損耗

(Insertion Loss)以及各輸出埠相位圖

圖 2-10饋入網路示意圖

圖 2-11天線陣列饋入網路之反射損耗及插入損耗模擬圖

14

圖 2-12天線陣列饋入網路各輸出埠相位差

從圖 2-11 可以發現各輸出埠的能量在不同頻率的變化實線為埠一(port1)

的反射損耗其餘為埠二三及四的插入損耗在工作頻率的範圍輸出埠的能

量差值在 2dB 以內而每個輸出埠在工作頻率的相位差為 20deg以內

接著我們利用圖 2-10 的分歧器輸出埠接上天線三元天線陣列如圖 2-13

觀察其反射損耗(圖 2-14)與輻射場型(圖 2-15)

圖 2-13三元天線陣列

15

圖 2-14三元天線陣列反射損耗

圖 2-15三元天線陣列在中心頻率 355GHz 模擬的輻射場型

由圖 2-14圖 2-15 了解到反射損耗在工作頻段(34GHz~37GHz)滿足要求

觀察輻射場型發現增益已可達到 12dBi此時再利用一組能量一分三的分歧器

設計總天線陣列預計為三乘以三共九個元素的天線陣列設計參數如表 2-2

16

Dielectric constant(topbottom) 44 44

Substrate thickness(topbottom) 08mm 16mm

Loss tangent 002

Air gap 5mm

Upper substrate size 250mm x 200mm

Ground size 300mm x 250mm

表 2-2天線陣列設計參數

圖 2-16 為天線陣列結構圖由於饋入網路阻抗匹配與相位差對天線陣列影

響非常大所以設計其信號饋入端為 50Ω以符合實際上使用的 SMA 接頭使

饋入網路匹配

圖 2-16天線陣列結構俯視圖

17

圖 2-17 為天線陣列在(a)34GHz(b)355GHz(c)37GHz 的輻射場型從圖

中可看出模擬與量測的輻射場型相當接近增益也能達到要求

(a)34GHz

(b)355GHz

18

(c)37GHz

圖 2-17天線陣列輻射場型

天線結構確定之後對於其輻射場型的分布需求要符合 ETSI-TS2 的規範

表 2-3 為 ETSI-TS2 對輻射場型分布的要求以下針對輻射場型與 ETSI-mask 做

一比較如圖 2-18 所示從圖中發現除了 34GHz 些微超出標準之外其餘頻

段都能滿足輻射場型要求之後會將改善的部份再做比較

表 2-3ETSI-TS2 對輻射場型分布之要求

19

(a)34GHz

(b)355GHz

(c)37GHz

圖 2-18天線陣列輻射場型與 ETSI-mask 之比較

20

圖 2-19 為天線陣列模擬與量測的反射損耗其工作頻率與設計之天線相去

不遠均包含 34GHz~37GHz圖 2-20 為實際量測的增益對頻率的變化圖其

增益的全頻段都能大於 14dBi其中某些頻率點可看出 E-plane 與 H-plane 所量

測到的最大增益值並不相同這主要的原因在於由饋入網路輸出端在在不同頻率

會有些微的相位差所致使得天線的最大增益值會些微偏移一個角度不過基

本上的趨勢還是相近

圖 2-19天線陣列模擬與量測之反射損耗

21

圖 2-20天線陣列增益對頻率圖

頻率(GHz) 33 34 35 36 37 38

E-plane 增益

(dBi) 1457 1619 1702 1634 1568 1429

H-plane 增益

(dB) 1421 1582 1624 1607 1581 1434

表 2-4天線陣列增益對頻率表

22

(a)俯視圖

(b)側視圖

圖 2-21天線陣列實體圖(a)俯視圖(b)側視圖

23

第三章 電磁帶隙結構與應用

(Electromagnetic Band-Gap Structure and Its Applications )

31 單位晶胞設計與截止帶比較

在天線中通常在較高之基板厚度及較大之介電常數時容易產生表面波

干擾天線輻射為了阻止表面波的傳遞論文中設計了高阻抗表面也就是所謂

的電磁帶隙(EBG)結構能有效抑制表面波提升天線效能

在近幾年許多微波領域的研究文獻利用光子能隙(Photonic Band-Gap

PBG)的概念也就是在介電係數成週期性排列的三維介電材料中電磁波經介

電函數散射後某些波段的電磁波強度會因破壞性干涉而呈現衰減無法在系統

內傳遞而在頻譜上形成截止帶[7][8]應用這個觀念在平面式傳輸線上設計具

有週期性幾何結構的電路造成電磁波在某些頻段無法傳遞而達到濾波的效果

由於使用於微波頻段所以稱此種結構為電磁帶隙或電磁能隙(Electromagnetic

Band-Gap EBG)結構

一個 EBG 結構電路時為一個電路之接地面在沿著某方向或平面做週期性

幾何結構變化所構成的電路如圖 3-1

圖 3-1一維 EBG 結構電路圖

利用 EBG 電路的週期性幾何結構形成一個電磁波的截止帶實線一個具

有寬頻與良好效能的帶止濾波器(Bandstop Filter)本論文使用共平面緊密電磁

帶隙結構(Uniplanar Compact EBG)如圖 3-2取代傳統的完整或切割連結通道

CellCell Cell Cell Cell d d d d TL TL TL TL

24

的平面結構每個單位細胞間以細線做連結細線提供了主要的電感效應每個

單位細胞間以狹縫做為區隔細狹縫間之互容效應與單位細胞之平面電容提供

了主要電容效應利用並接的電感電容效應來達到一寬頻的截止帶

圖 3-2EBG 結構集總電路圖

為了得到我們需要的截止帶首先模擬一個理想傳輸線當對照組(圖 3-3)

使用了介電常數值為 44 的 FR4 電路板厚度為 16mm觀察其反射損耗與插入

損耗從圖 3-4 了解到傳輸線從 1GHz 到 15GHz 反射損耗皆在-20dB 以下插入

損耗-3dB 以上

圖 3-3微帶傳輸線

(a) 俯視圖

(b) 側視圖

25

圖 3-4微帶傳輸線之反射損耗與插入損耗

利用電磁帶隙週期性二維的重複結構如圖 3-5可以找到我們所需要的截止

帶從微帶線的插入損耗可以明顯得到所設計的截止帶頻段跟單位晶胞的大小

成正相關整體電路的等效電感與等效電容越大相對的頻帶也會往低頻跑

(a)正面俯視圖 (b)背面俯視圖

圖 3-5微帶線加上 EBG 結構正面與背面

26

改變單位晶胞大小與截止帶之比較分別從(圖 3-6)4mm2(圖 3-7)6mm2(圖

3-8)8mm2(圖 3-9)10mm2的晶胞大小可以控制截止帶落在哪些區域

(b)反射損耗

a b

g

gs

h

(a)單位晶胞大小

a = 4 mmb = 37 mm s = g = 03 mm h = 18 mm

a

27

圖 3-6微帶線加上 4mm2EBG 結構之晶胞大小與 S 參數比較

從圖 3-6 可以得知從 10GHz 到 12GHz 有一較深之截止帶14GHz 之後也有

截止頻帶只是實驗目標以低頻為主故只模擬到 15GHz繼續改變晶胞大小

來設計低頻截止帶

a b

g

gs

h

(a)單位晶胞大小

a = 6 mm b = 57 mm s = g = 03 mm h = 28 mm

a

(c)插入損耗

28

圖 3-7微帶線加上 6mm2EBG 結構之晶胞大小與 S 參數比較

讓 EBG 晶胞變大(6mm2)跟預期結果相符可以得到更低頻的截止帶低頻帶

從 7GHz 到 9GHz高頻帶 10GHz 之後仍然存在極深之截止帶

(b)S參數比較圖

a bg

gs

h

(a)單位晶胞大小

a = 8 mm b = 76 mm s = g = 04 mm h = 37 mm

a

29

圖 3-8微帶線加上 8mm2EBG 結構之晶胞大小與 S 參數比較

從圖 3-8 的結果得到更低頻的截止帶座落於 43GHz~58GHz 及

61GHz~7GHz 由 於 論 文 中 所 設 計 的 WiMAX 天 線 陣 列 工 作 頻 率 在

34GHz~37GHz故需再將晶胞大小改變讓系統能夠共振在更低頻處

(b)S參數比較圖

a bg

gs

h

(a)單位晶胞大小

a = 10 mm b = 93 mm s = g = 07 mm h = 42 mm

a

30

圖 3-9微帶線加上 10mm2EBG 結構之晶胞大小與 S 參數比較

將週期性電磁帶隙結構結合微帶線可以設計出需要的截止帶圖 3-9 主要

的截止帶在 325GHz~4GHz 及 465GHz~58GHz已經達到需求的頻帶範圍下

個目標將結合微帶天線做改善與比較

(b)S參數比較圖

31

32 電磁帶隙結構包圍方式之探討

321 有限接地面的探討

由於設計的微帶天線主要是在邊射(Broad-side)方向輻射所以需要選擇一個

適當的接地面大小讓輻射場型得到一個最佳值理論上來說無限大的接地面

可以得到最平滑(Smooth)的輻射場型只在單邊輻射不會受到地面干擾實際

上在有限的空間必須選擇一個適當大小的接地面以符合成本與面積要求

而有限的接地面卻容易造成邊緣效應干擾[12]表面波在接地面邊緣產生繞射場

(Diffracted fields)形成新的波源以陣列因子的觀點來看多了新的波源會造

成輻射場型加乘上的消長如圖 3-10微帶貼片天線主要是以前後兩側差半波

長之邊輻射而有限接地面則會在邊緣產生感應磁流(Induced equivalent

magnetic current)如圖 3-11從電場的指向可以推得磁流的方向對照輻射

場型容易在邊射方向造成波紋(Ripple)

圖 3-10有限接地面產生之輻射場型比較圖

L

32

圖 3-11介質中電場指向之強弱分布與感應磁流方向

由於接地面的大小在 E-plane 會產生波紋來干擾輻射場型所以論文中以

EBG 週期性結構來做為一個完美磁導體(Perfect Magnetic ConductorPMC)也

就是人工 PMC(Artificial PMC)抑制邊緣電場的垂直入射減弱感應磁流的效

應以改善天線輻射場型

322 天線周圍包覆 PMC

傳統上 EBG 以圍滿的方式來改善微帶天線之增益與輻射[13]並透過晶胞

數的不斷增加來提高增益及改善輻射場型但晶胞數的增加將提高成本加大

EBG 面積及天線整體體積高達一定數量時反而會降低天線性能對於微帶貼

片天線而言EBG 在接地面太靠近天線輻射邊反而影響其輻射機制造成頻率

飄移因此論文中將探討 EBG 的包圍方式對天線性能之影響以有最佳效果

已知高阻抗表面可以阻擋介質中表面波的傳遞因此先透過理想 PMC 來代

替所設計之高阻抗表面 EBG 結構以分析其特性找出提升天性能的最佳包圍

33

方式

首先把天線周圍包覆 PMC 如圖 3-12以逼近的方式慢慢擴大 PMC 的面積

一圈 PMC 的寬度與設計的晶胞大小邊長一樣從輻射場型來看使用到第二圈

時可以得到最佳的輻射效能如圖 3-13PMC 包圍有其最佳範圍取得有效的包

圍方式可以讓天線輻射最佳化

圖 3-12天線周圍包覆 PMC

34

圖 3-13天線周圍包覆 PMC 之輻射場型比較

參考天線 一圈 PMC 二圈 PMC 三圈 PMC

0 度增益 357dBi 432dBi 545dBi 478dBi

增益改善 075dB 188dB 121dB

表 3-1天線周圍包覆 PMC 之增益改善比較

35

323 輻射邊兩側包覆 PMC

由於微帶天線之表面波傳遞方向以 xz 切面為主如圖 3-14因此在微帶天線

輻射邊的兩側擺放 EBG 結構以抑制其傳遞有效改善天線輻射場型首先使

用理想的 PMC 在天線輻射邊兩側包覆如圖 3-15對於 PMC 覆蓋面積的大小作一

探討變化 PMC 之覆蓋面積了解其對天線輻射場型的影響在邊射(broadside)

方向的輻射場型可以有效改善波紋讓旁波瓣(sidelobe)大幅度降低如圖 3-16

所示以兩列 PMC 可以達到較佳效果再增加一列 PMC 雖些許增加增益不

過 PMC 覆蓋的面積已達飽和因此從上述可知在結合 EBG 和微帶天線時

將有一最佳之覆蓋面積使用最適當之晶胞數來達到最佳的增益改善

圖 3-14表面波在介質空間中分布

36

圖 3-15輻射邊兩側包覆 PMC

圖 3-16輻射邊兩側包覆 PMC 之輻射場型比較

37

參考天線 一列 PMC 二列 PMC 三列 PMC

0 度增益 357dBi 528dBi 642dBi 644dBi

增益改善 171dB 285dB 287dB

表 3-2輻射邊兩側包覆 PMC 之增益改善比較

33 電磁帶隙結構結合單一微帶天線

以下將結合所設計之 EBG 結構和微帶天線以改善微帶天線之輻射場型干

擾從前述的探討先以圍繞式包圍天線做輻射場型比較如圖 3-17 所示

圖 3-17天線周圍包覆 EBG 之輻射場型比較

38

0 度增益

Ref patch antenna 357dBi

圍繞 EBG 572dBi

ΔGain 215dB

表 3-3天線周圍包覆 EBG 之增益改善比較

由於表面波之傳遞主要為 X 軸方向因此以 EBG 之較寬頻的維度來抑制 X

方向的表面波其結合方式如下以兩列 EBG 結構與天線結合比較如圖 3-18

圖 3-18輻射邊兩側包覆 EBG 之輻射場型比較

39

0 度增益

Ref patch antenna 357dBi

輻射邊包覆 EBG 577dBi

ΔGain 22dB

表 3-4輻射邊兩側包覆 EBG 之增益改善比較

兩種包覆 EBG 的情形做比較使用輻射邊兩側包覆 EBG 對表面波抑制可以

達到最直接的效果再對接地面做變化令輻射邊到接地面邊緣距離等於 15 倍

空氣中波長邊緣的等效感應磁流干擾最大在垂射(broadside)方向造成 30 度到

60 度的旁波瓣將晶胞數加到三列使得輻射場型能有最佳效果如圖 3-19 所示

圖 3-19較大接地面應用更多晶胞數改善輻射場型圖

40

34 電磁帶隙結構結合微帶天線陣列

第二章敘述之高增益天線陣列由於在 E-plane 產生較大之旁波瓣因此論

文將結合 EBG 結構與天線陣列改善輻射場型以符合 ETSI-TS2 規範要求

對原本的天線陣列與改善後的天線陣列作一比較如圖 3-20 為天線結構示意圖

俯視圖 yz 切面為表面波影響較大的面因此我們在 E-plane 兩側包覆 EBG使

用三列的 EBG 週期結構另外圖 3-21 為(a)34GHz(b)355GHz(c)37GHz

輻射場型在 E-plane 的改善比較可以發現在(a)跟(b)改善的效果特別明顯旁波

瓣減弱許多而(c)原本旁波瓣就不大所以改善較不明顯再跟 ETSI-mask 做

比較如圖 3-22改善後的天線陣列距離輻射場型標準線有較大之安全距離對實

作上的誤差影響會比較小以下針對輻射場型做一比較

圖 3-20原始天線陣列與應用 EBG 之天線陣列

41

(a)34GHz E-plane 輻射場型比較

(b)355GHz E-plane 輻射場型比較

(c)37GHz E-plane 輻射場型比較

圖 3-21原始天線陣列與應用 EBG 之天線陣列輻射場型比較

(a)34GHz (b)355GHz (c)37GHz

42

(a)34GHz E-plane

(b)355GHz E-plane

(a)37GHz E-plane

圖 3-22原始天線陣列與應用 EBG 之天線陣列與 ETSI-mask 比較

(a)34GHz (b)355GHz (c)37GHz

43

35 模擬與量測結果比較

由上述模擬的結果進行實作及量測的工作如圖 3-23 為微帶天線結合 EBG

結構的架構表 3-5 列出了板材的規格使用的基板是 FR4 玻璃纖維基板並架高

空氣高度為 5mm

Dielectric constant(topbottom) 44 44

Substrate thickness(topbottom) 08mm 16mm

Loss tangent 002

Air gap 5mm

Upper substrate size 250mm x 200mm

Ground size 300mm x 250mm

表 3-5天線陣列設計參數

圖 3-23應用 EBG 之天線陣列結構圖

44

圖 3-24 為天線陣列在 34GHz355GHz37GHz 的輻射場型從圖中可以

觀察模擬與量測場型蠻相近的

(a)34GHz

(b)355GHz

45

(c)37GHz

圖 3-24天線陣列輻射場型模擬與量測比較

對於其輻射場型的分布需求要符合 ETSI-TS2 的規範以下針對輻射場型與

ETSI-mask 做一比較如圖 3-25 所示從圖中發現實作及量測輻射場型全部

工作頻段都能滿足 mask 要求完成一組高增益天線陣列

(a)34GHz

46

(b)355GHz

(c)37GHz

圖 3-25天線陣列輻射場型與 ETSI-mask 比較

圖 3-26 為天線陣列模擬與量測的反射損耗其工作頻率與設計之天線相去

不遠均包含 34GHz~37GHz頻寬設計較大的原因在於避免外在因素造成的頻

飄量測出來可達 33GHz~39GHz略往高頻飄不過與設計的反射損耗相當接

近圖 3-27 為實際量測的增益對頻率的變化圖其增益的全頻段都能大於

14dBiE-plane 與 H-plane 也較為接近整理數據如表 3-6

47

圖 3-26天線陣列反射損耗模擬與量測比較

圖 3-27天線陣列增益對頻率圖

48

頻率(GHz) 33 34 35 36 37 38

E-plane 增益

(dBi) 1485 1591 1620 1687 1627 1507

H-plane 增益

(dBi) 1421 1565 1598 1629 1607 1518

表 3-6天線陣列增益對頻率表

49

圖 3-28 為實體圖俯視圖側視圖與 EBG 實際大小比較

(a) 俯視圖

(b) 側視圖(空氣高度=05mm)

(c)EBG 實體結構

圖 3-28天線陣列實體圖

50

第四章 結論

(Conclusion)

本論文主要是研究適用於基地台的 WiMAX 頻段高增益天線陣列並控制其

頻寬增益及輻射場型能夠符合 ETSI(European Telecommunication Standards

Institute)的規範在論文第二章中提出的高增益天線陣列是利用一個能量分歧

器把能量等效分成三份的饋入網路接上三組一樣的三元素陣列矩形微帶天線所

組成的天線陣列最高增益可達到 17dBi工作頻率的增益都能超過要求的

14dBi輻射場型符合 ETSI-TS2 規範另外本論文所提出的天線陣列為印刷式

天線不但具有輕量化的特性且大幅降低製作上的困難度也減輕了成本的負擔

透過本論文所設計之 EBG 可有效降低傳統 EBG 結構的製程僅以 FR4 板

材即可自行實作比較無須鉚釘並提出有效提升微帶天線增益的包圍方式在

有限的接地面下可選擇適當的晶胞數來改善天線陣列的輻射場型抑制表面波

對天線的干擾讓邊際效應產生的感應磁流干擾降到最低最後在實作及量測部

分驗證我們模擬的結果

51

參考文獻

[1] W L Stutzman and G A Thiele Antenna Theory and Design 2nd ed New York

Wiley 1998

[2] A Balanis Antenna Theory Analysis and Design New York Wiley 1997

[3] R Gardelli G La Cono and M Albani ldquoA low-cost suspended patch antenna for

WLAN access points and point-to-point linksrdquo IEEE Antennas and Propagat vol

3 no 1 pp 90-93 2004

[4] H F Pues and A R Van de capelle ldquoAn impedance-matching technique for

increasing the bandwidth of microstrip antennasrdquo IEEE Trans on Antennas and

Propagat vol 37 no 11 pp 1345-1354 Nov 1989

[5] Q Song and XndashX Zhang ldquoA study on wideband gap-coupled microstrip antenna

arraysrdquo IEEE Trans On Antennas and Propagat vol 43 no 3 pp 313-317 Mar

1995

[6] D Sievenpiper L Z Romulo F J Broas N G Alexopolous and E Yablonovitch

ldquoHigh-impedance electromagnetic surfaces with a forbidden frequency bandrdquo

IEEE Trans Microwave Theory Tech vol 47 no 11 pp 311-335 Nov 1999

[7] F-R Yang K-P Ma Y Qian and T Itoh ldquo A Uniplanar Compact

Photonic-Bandgap (UC-PBG) Structure and Its Applications for Microwave

Circuitsrdquo IEEE Trans MTT vol 47 Aug 1999

[8] M F Abedin M Z Azad and M Ali ldquo wideband smaller unit-cell planar EBG

structures and their applicationrdquo IEEE Trans On Antenna and Propagat vol 56

no 3 pp 903-908 Mar 2008

[9] I J Bahl and P Bhartia Microstrip Antennas Artech House 1980

[10] JR James and P S Hall Handbook of Microstrip Antennas LondonPeter

Peregrinus Ltd 1989

52

[11] K C Gupta R Garg I J Bahl P Bhartia Microstrip Lines and Slotlines 2nd ed

Norwood MAArtech House 1996

[12] T Namiki Y Murayama and K Ito ldquo Improving radiation-pattern distortion of a

patch antenna having a finite ground planerdquo IEEE Trans On Antenna and

Propagat vol 51 no 3 pp 478-482 Mar 2003

[13] R Coccioli F-R Yang K-P Ma and T Itoh ldquo Aperture-coupled patch antenna

on UC-PBG substraterdquo IEEE Trans Microwave Theory Tech vol 47 no 11 pp

2123-2130 Nov 1999

[14] F Yang and Y Rahmat-samii ldquo Microstrip antenna integrated with

electromagnetic band-gap (EBG) structure a low mutual coupling design for array

applicationrdquo IEEE Trans On Antenna and Propagat vol 51 no 10 pp

2936-2946 Oct2003

[15] Z Iluz R Shavit and R Bauer ldquo Microstrip antenna phased array with

electromagnetic bandgap substraterdquo IEEE Trans On Antenna and Propagat vol

52 no 6 pp 1446-1453 June 2004

  • 封面pdf
  • 摘要與目錄pdf
  • 論文_終稿_pdf
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      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP 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 FRA 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 ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR ltFEFF004200720075006b00200064006900730073006500200069006e006e007300740069006c006c0069006e00670065006e0065002000740069006c002000e50020006f0070007000720065007400740065002000410064006f006200650020005000440046002d0064006f006b0075006d0065006e00740065007200200066006f00720020007500740073006b00720069006600740020006100760020006800f800790020006b00760061006c00690074006500740020007000e500200062006f007200640073006b0072006900760065007200200065006c006c00650072002000700072006f006f006600650072002e0020005000440046002d0064006f006b0075006d0065006e00740065006e00650020006b0061006e002000e50070006e00650073002000690020004100630072006f00620061007400200065006c006c00650072002000410064006f00620065002000520065006100640065007200200035002e003000200065006c006c00650072002000730065006e006500720065002egt PTB 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 SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN ltFEFF004200720075006700200069006e0064007300740069006c006c0069006e006700650072006e0065002000740069006c0020006100740020006f007000720065007400740065002000410064006f006200650020005000440046002d0064006f006b0075006d0065006e007400650072002000740069006c0020006b00760061006c00690074006500740073007500640073006b007200690076006e0069006e006700200065006c006c006500720020006b006f007200720065006b007400750072006c00e60073006e0069006e0067002e0020004400650020006f007000720065007400740065006400650020005000440046002d0064006f006b0075006d0065006e0074006500720020006b0061006e002000e50062006e00650073002000690020004100630072006f00620061007400200065006c006c006500720020004100630072006f006200610074002000520065006100640065007200200035002e00300020006f00670020006e0079006500720065002egt DEU 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 ESP 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 FRA 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6

求得導納之後由圖 2-2 等效傳輸線電路圖可得輸入阻抗 1in inR Y= 1 2inY Y Y= +

1Y 為槽一(slot1)的導納( 1 1 1Y G jB= + ) 2Y 為槽二(slot2)的導納( 2 2 2Y G jB= + )因

為共振長度為 2gλ 所以兩個輻射槽的電納相差 180∘( 1 2B B= minus )因此輸入導

納為 12G輸入阻抗則為 1 2R 天線的邊緣輸入阻抗求得之後我們可以利用 4λ

轉換線饋入與 50Ω接頭匹配方便饋入線(feeding line)的設計

212 陣列理論

設計天線陣列時其天線陣列的排列結構各元素間的距離各元素激發的

振幅與相位及單一元素的場型都會影響陣列的場型分佈[1]圖 2-3 為一點波源

等間距之線性陣列

圖 2-3點波源等間距之線性陣列

若元素間激發電流相位差為α一等能量饋入的天線陣列之陣列因子如式

(2-7)所示

1

00

AF cosN

jn

nA e dψ ψ β θ α

minus

=

= = +sum (2-7)

其中d為天線陣列元素的間距β 為波數θ為偏離Z軸之角度α 為元素間的相

位差

7

經過推導忽略其相位因子正歸化的陣列因子為

( ) ( )( )

sin 21sin 2

Nf

ψψ

⎡ ⎤= ⎢ ⎥

⎣ ⎦ (28)

在ψ =0時有最大值主波束的方向為

1cosdαθβ

minus ⎛ ⎞minus= ⎜ ⎟

⎝ ⎠ (29)

藉由陣列因子我們將可以預估理想狀況下天線陣列的輻射場型由於本論文天線

陣列由3times3陣列矩陣所組成且微帶天線場型是分佈在天線的垂射(broadside)方

向故在設計天線陣列的饋入網路時每個元素間所得到的能量應為等大小同

相位圖2-4及圖2-5分別為3times3天線陣列E-plane及H-plane在相同大小及相位時

所計算的陣列因子我們可以藉由適當間距的陣列因子與微帶天線的場型乘積

獲得理想上的天線陣列輻射場型分佈

8

圖 2-4在不同間距時E-plane 的陣列因子

圖 2-5在不同間距時H-plane 的陣列因子

9

22 天線結構

221 單一微帶貼片天線設計

由於微帶貼片天線是一共振型天線傳統上其頻寬較窄所以我們可以藉由

改變天線的形狀增加天線的共振路徑或者改變天線的結構以提高頻寬及增

設計微帶貼片天線時基板(substrate)影響天線效能較大的有三個參數介

質損耗(正比於 tanδ )介電常數( rε )以及厚度( h )其中介質損耗越小越好如

此可以提高天線效率及增益但相對的成本也較高而介電常數也是越小越好

如此可以增加頻寬提高天線的指向性及增益相對的天線的尺寸也越大厚度

則是越大越好如此可以提高天線效率及增益有效增加頻寬但厚度太大則容

易產生表面波使得部分能量被束缚在基板中無法輻射出去

基於上述基板對天線效能的影響以及本論文對頻寬及增益的要求我們採

用 FR4( 44rε = )玻璃纖維基板並且採用厚空氣介質如此可以有效降低等效介

電常數值及提高厚度藉以達到寬頻及高增益的特性如圖 2-6 所示

圖 2-6懸浮微帶線結構(Suspended microstrip line configuration)

10

如圖 2-6 加上 air gap 高度之後其等效介電常數會有所改變其可由式(2-10)

得到一近似值[10]

( )( )

rreff

r

h H hh H hε

εε+ minus⎡ ⎤⎣ ⎦=

+ minus (2-10)

另外懸浮微帶線的特性阻抗(假設 t=0)則由式(2-11)得到較精確的值以便設計

饋入網路[11]

2

0 10

2ln 12 re

FZu u

ηπ ε

⎡ ⎤⎛ ⎞⎢ ⎥= + + ⎜ ⎟⎢ ⎥⎝ ⎠⎣ ⎦ (2-11)

其中

( ) ( )07528306661 6 2 6 uF eπ minus= + minus (2-11a)

( )0 120η π= Ω Wuh

= (2-11b)

1

11 ln 1rer

h Wa bH h H h

εε

minus⎡ ⎤⎛ ⎞⎛ ⎞= + minus minus⎢ ⎥⎜ ⎟⎜ ⎟⎜ ⎟minus minus⎝ ⎠⎢ ⎥⎝ ⎠⎣ ⎦

(2-12)

其中

4

08621 0125ln haH h

⎡ ⎤⎛ ⎞= minus ⎜ ⎟⎢ ⎥minus⎝ ⎠⎣ ⎦ (2-12a)

4

04986 01397 ln hbH h

⎡ ⎤⎛ ⎞= minus ⎜ ⎟⎢ ⎥minus⎝ ⎠⎣ ⎦ (2-12b)

11

利用前面提到的矩形微帶天線基本理論將天線的寬度及長度求出把饋入網

路與天線元素在同一平面做一結合設計參數如表 2-1

Dielectric constant 44

Substrate thickness 08mm

Loss tangent 002

Air gap 5mm

Single patch size 416mm(W) x 335mm(L)

Feeding line width 0901mm

Feeding line length 1996mm

表 2-1矩形微帶天線設計參數

利用式(2-4)(2-5)及(2-6)求出天線邊緣的輸入阻抗再設計一四分之一波長

傳輸線饋入並以特性阻抗 Z0 的輸入埠進行模擬如圖 2-7 所示

圖 2-7矩形微帶貼片天線示意圖

Ground plane

65mm Patch antenna

W

L

Zt=9904Ω

Z0=50Ω

80mm

12

當天線共振時天線邊緣的輸入阻抗 inZ 可藉由 20in tZ Z Z= 計算得知接著

觀察中心頻率為 355GHz 的矩形微帶貼片天線其反射損耗與輻射場型圖 2-8

為反射損耗圖圖 2-9 為中心頻率 355GHz 模擬的輻射場型

圖 2-8矩形微帶貼片天線反射損耗

圖 2-9矩形微帶貼片天線在中心頻率 355GHz 模擬的輻射場型

Return Loss

13

222 高增益天線陣列設計

首先以微帶線並聯的饋入結構設計能量一分三的網路再利用傳輸線作阻

抗的匹配[13]最後再以其寬頻的特性饋入到天線陣列圖 2-10 為饋入網路示意

圖圖 2-11 及圖 2-12 分別為饋入網路之反射損耗(Return Loss)插入損耗

(Insertion Loss)以及各輸出埠相位圖

圖 2-10饋入網路示意圖

圖 2-11天線陣列饋入網路之反射損耗及插入損耗模擬圖

14

圖 2-12天線陣列饋入網路各輸出埠相位差

從圖 2-11 可以發現各輸出埠的能量在不同頻率的變化實線為埠一(port1)

的反射損耗其餘為埠二三及四的插入損耗在工作頻率的範圍輸出埠的能

量差值在 2dB 以內而每個輸出埠在工作頻率的相位差為 20deg以內

接著我們利用圖 2-10 的分歧器輸出埠接上天線三元天線陣列如圖 2-13

觀察其反射損耗(圖 2-14)與輻射場型(圖 2-15)

圖 2-13三元天線陣列

15

圖 2-14三元天線陣列反射損耗

圖 2-15三元天線陣列在中心頻率 355GHz 模擬的輻射場型

由圖 2-14圖 2-15 了解到反射損耗在工作頻段(34GHz~37GHz)滿足要求

觀察輻射場型發現增益已可達到 12dBi此時再利用一組能量一分三的分歧器

設計總天線陣列預計為三乘以三共九個元素的天線陣列設計參數如表 2-2

16

Dielectric constant(topbottom) 44 44

Substrate thickness(topbottom) 08mm 16mm

Loss tangent 002

Air gap 5mm

Upper substrate size 250mm x 200mm

Ground size 300mm x 250mm

表 2-2天線陣列設計參數

圖 2-16 為天線陣列結構圖由於饋入網路阻抗匹配與相位差對天線陣列影

響非常大所以設計其信號饋入端為 50Ω以符合實際上使用的 SMA 接頭使

饋入網路匹配

圖 2-16天線陣列結構俯視圖

17

圖 2-17 為天線陣列在(a)34GHz(b)355GHz(c)37GHz 的輻射場型從圖

中可看出模擬與量測的輻射場型相當接近增益也能達到要求

(a)34GHz

(b)355GHz

18

(c)37GHz

圖 2-17天線陣列輻射場型

天線結構確定之後對於其輻射場型的分布需求要符合 ETSI-TS2 的規範

表 2-3 為 ETSI-TS2 對輻射場型分布的要求以下針對輻射場型與 ETSI-mask 做

一比較如圖 2-18 所示從圖中發現除了 34GHz 些微超出標準之外其餘頻

段都能滿足輻射場型要求之後會將改善的部份再做比較

表 2-3ETSI-TS2 對輻射場型分布之要求

19

(a)34GHz

(b)355GHz

(c)37GHz

圖 2-18天線陣列輻射場型與 ETSI-mask 之比較

20

圖 2-19 為天線陣列模擬與量測的反射損耗其工作頻率與設計之天線相去

不遠均包含 34GHz~37GHz圖 2-20 為實際量測的增益對頻率的變化圖其

增益的全頻段都能大於 14dBi其中某些頻率點可看出 E-plane 與 H-plane 所量

測到的最大增益值並不相同這主要的原因在於由饋入網路輸出端在在不同頻率

會有些微的相位差所致使得天線的最大增益值會些微偏移一個角度不過基

本上的趨勢還是相近

圖 2-19天線陣列模擬與量測之反射損耗

21

圖 2-20天線陣列增益對頻率圖

頻率(GHz) 33 34 35 36 37 38

E-plane 增益

(dBi) 1457 1619 1702 1634 1568 1429

H-plane 增益

(dB) 1421 1582 1624 1607 1581 1434

表 2-4天線陣列增益對頻率表

22

(a)俯視圖

(b)側視圖

圖 2-21天線陣列實體圖(a)俯視圖(b)側視圖

23

第三章 電磁帶隙結構與應用

(Electromagnetic Band-Gap Structure and Its Applications )

31 單位晶胞設計與截止帶比較

在天線中通常在較高之基板厚度及較大之介電常數時容易產生表面波

干擾天線輻射為了阻止表面波的傳遞論文中設計了高阻抗表面也就是所謂

的電磁帶隙(EBG)結構能有效抑制表面波提升天線效能

在近幾年許多微波領域的研究文獻利用光子能隙(Photonic Band-Gap

PBG)的概念也就是在介電係數成週期性排列的三維介電材料中電磁波經介

電函數散射後某些波段的電磁波強度會因破壞性干涉而呈現衰減無法在系統

內傳遞而在頻譜上形成截止帶[7][8]應用這個觀念在平面式傳輸線上設計具

有週期性幾何結構的電路造成電磁波在某些頻段無法傳遞而達到濾波的效果

由於使用於微波頻段所以稱此種結構為電磁帶隙或電磁能隙(Electromagnetic

Band-Gap EBG)結構

一個 EBG 結構電路時為一個電路之接地面在沿著某方向或平面做週期性

幾何結構變化所構成的電路如圖 3-1

圖 3-1一維 EBG 結構電路圖

利用 EBG 電路的週期性幾何結構形成一個電磁波的截止帶實線一個具

有寬頻與良好效能的帶止濾波器(Bandstop Filter)本論文使用共平面緊密電磁

帶隙結構(Uniplanar Compact EBG)如圖 3-2取代傳統的完整或切割連結通道

CellCell Cell Cell Cell d d d d TL TL TL TL

24

的平面結構每個單位細胞間以細線做連結細線提供了主要的電感效應每個

單位細胞間以狹縫做為區隔細狹縫間之互容效應與單位細胞之平面電容提供

了主要電容效應利用並接的電感電容效應來達到一寬頻的截止帶

圖 3-2EBG 結構集總電路圖

為了得到我們需要的截止帶首先模擬一個理想傳輸線當對照組(圖 3-3)

使用了介電常數值為 44 的 FR4 電路板厚度為 16mm觀察其反射損耗與插入

損耗從圖 3-4 了解到傳輸線從 1GHz 到 15GHz 反射損耗皆在-20dB 以下插入

損耗-3dB 以上

圖 3-3微帶傳輸線

(a) 俯視圖

(b) 側視圖

25

圖 3-4微帶傳輸線之反射損耗與插入損耗

利用電磁帶隙週期性二維的重複結構如圖 3-5可以找到我們所需要的截止

帶從微帶線的插入損耗可以明顯得到所設計的截止帶頻段跟單位晶胞的大小

成正相關整體電路的等效電感與等效電容越大相對的頻帶也會往低頻跑

(a)正面俯視圖 (b)背面俯視圖

圖 3-5微帶線加上 EBG 結構正面與背面

26

改變單位晶胞大小與截止帶之比較分別從(圖 3-6)4mm2(圖 3-7)6mm2(圖

3-8)8mm2(圖 3-9)10mm2的晶胞大小可以控制截止帶落在哪些區域

(b)反射損耗

a b

g

gs

h

(a)單位晶胞大小

a = 4 mmb = 37 mm s = g = 03 mm h = 18 mm

a

27

圖 3-6微帶線加上 4mm2EBG 結構之晶胞大小與 S 參數比較

從圖 3-6 可以得知從 10GHz 到 12GHz 有一較深之截止帶14GHz 之後也有

截止頻帶只是實驗目標以低頻為主故只模擬到 15GHz繼續改變晶胞大小

來設計低頻截止帶

a b

g

gs

h

(a)單位晶胞大小

a = 6 mm b = 57 mm s = g = 03 mm h = 28 mm

a

(c)插入損耗

28

圖 3-7微帶線加上 6mm2EBG 結構之晶胞大小與 S 參數比較

讓 EBG 晶胞變大(6mm2)跟預期結果相符可以得到更低頻的截止帶低頻帶

從 7GHz 到 9GHz高頻帶 10GHz 之後仍然存在極深之截止帶

(b)S參數比較圖

a bg

gs

h

(a)單位晶胞大小

a = 8 mm b = 76 mm s = g = 04 mm h = 37 mm

a

29

圖 3-8微帶線加上 8mm2EBG 結構之晶胞大小與 S 參數比較

從圖 3-8 的結果得到更低頻的截止帶座落於 43GHz~58GHz 及

61GHz~7GHz 由 於 論 文 中 所 設 計 的 WiMAX 天 線 陣 列 工 作 頻 率 在

34GHz~37GHz故需再將晶胞大小改變讓系統能夠共振在更低頻處

(b)S參數比較圖

a bg

gs

h

(a)單位晶胞大小

a = 10 mm b = 93 mm s = g = 07 mm h = 42 mm

a

30

圖 3-9微帶線加上 10mm2EBG 結構之晶胞大小與 S 參數比較

將週期性電磁帶隙結構結合微帶線可以設計出需要的截止帶圖 3-9 主要

的截止帶在 325GHz~4GHz 及 465GHz~58GHz已經達到需求的頻帶範圍下

個目標將結合微帶天線做改善與比較

(b)S參數比較圖

31

32 電磁帶隙結構包圍方式之探討

321 有限接地面的探討

由於設計的微帶天線主要是在邊射(Broad-side)方向輻射所以需要選擇一個

適當的接地面大小讓輻射場型得到一個最佳值理論上來說無限大的接地面

可以得到最平滑(Smooth)的輻射場型只在單邊輻射不會受到地面干擾實際

上在有限的空間必須選擇一個適當大小的接地面以符合成本與面積要求

而有限的接地面卻容易造成邊緣效應干擾[12]表面波在接地面邊緣產生繞射場

(Diffracted fields)形成新的波源以陣列因子的觀點來看多了新的波源會造

成輻射場型加乘上的消長如圖 3-10微帶貼片天線主要是以前後兩側差半波

長之邊輻射而有限接地面則會在邊緣產生感應磁流(Induced equivalent

magnetic current)如圖 3-11從電場的指向可以推得磁流的方向對照輻射

場型容易在邊射方向造成波紋(Ripple)

圖 3-10有限接地面產生之輻射場型比較圖

L

32

圖 3-11介質中電場指向之強弱分布與感應磁流方向

由於接地面的大小在 E-plane 會產生波紋來干擾輻射場型所以論文中以

EBG 週期性結構來做為一個完美磁導體(Perfect Magnetic ConductorPMC)也

就是人工 PMC(Artificial PMC)抑制邊緣電場的垂直入射減弱感應磁流的效

應以改善天線輻射場型

322 天線周圍包覆 PMC

傳統上 EBG 以圍滿的方式來改善微帶天線之增益與輻射[13]並透過晶胞

數的不斷增加來提高增益及改善輻射場型但晶胞數的增加將提高成本加大

EBG 面積及天線整體體積高達一定數量時反而會降低天線性能對於微帶貼

片天線而言EBG 在接地面太靠近天線輻射邊反而影響其輻射機制造成頻率

飄移因此論文中將探討 EBG 的包圍方式對天線性能之影響以有最佳效果

已知高阻抗表面可以阻擋介質中表面波的傳遞因此先透過理想 PMC 來代

替所設計之高阻抗表面 EBG 結構以分析其特性找出提升天性能的最佳包圍

33

方式

首先把天線周圍包覆 PMC 如圖 3-12以逼近的方式慢慢擴大 PMC 的面積

一圈 PMC 的寬度與設計的晶胞大小邊長一樣從輻射場型來看使用到第二圈

時可以得到最佳的輻射效能如圖 3-13PMC 包圍有其最佳範圍取得有效的包

圍方式可以讓天線輻射最佳化

圖 3-12天線周圍包覆 PMC

34

圖 3-13天線周圍包覆 PMC 之輻射場型比較

參考天線 一圈 PMC 二圈 PMC 三圈 PMC

0 度增益 357dBi 432dBi 545dBi 478dBi

增益改善 075dB 188dB 121dB

表 3-1天線周圍包覆 PMC 之增益改善比較

35

323 輻射邊兩側包覆 PMC

由於微帶天線之表面波傳遞方向以 xz 切面為主如圖 3-14因此在微帶天線

輻射邊的兩側擺放 EBG 結構以抑制其傳遞有效改善天線輻射場型首先使

用理想的 PMC 在天線輻射邊兩側包覆如圖 3-15對於 PMC 覆蓋面積的大小作一

探討變化 PMC 之覆蓋面積了解其對天線輻射場型的影響在邊射(broadside)

方向的輻射場型可以有效改善波紋讓旁波瓣(sidelobe)大幅度降低如圖 3-16

所示以兩列 PMC 可以達到較佳效果再增加一列 PMC 雖些許增加增益不

過 PMC 覆蓋的面積已達飽和因此從上述可知在結合 EBG 和微帶天線時

將有一最佳之覆蓋面積使用最適當之晶胞數來達到最佳的增益改善

圖 3-14表面波在介質空間中分布

36

圖 3-15輻射邊兩側包覆 PMC

圖 3-16輻射邊兩側包覆 PMC 之輻射場型比較

37

參考天線 一列 PMC 二列 PMC 三列 PMC

0 度增益 357dBi 528dBi 642dBi 644dBi

增益改善 171dB 285dB 287dB

表 3-2輻射邊兩側包覆 PMC 之增益改善比較

33 電磁帶隙結構結合單一微帶天線

以下將結合所設計之 EBG 結構和微帶天線以改善微帶天線之輻射場型干

擾從前述的探討先以圍繞式包圍天線做輻射場型比較如圖 3-17 所示

圖 3-17天線周圍包覆 EBG 之輻射場型比較

38

0 度增益

Ref patch antenna 357dBi

圍繞 EBG 572dBi

ΔGain 215dB

表 3-3天線周圍包覆 EBG 之增益改善比較

由於表面波之傳遞主要為 X 軸方向因此以 EBG 之較寬頻的維度來抑制 X

方向的表面波其結合方式如下以兩列 EBG 結構與天線結合比較如圖 3-18

圖 3-18輻射邊兩側包覆 EBG 之輻射場型比較

39

0 度增益

Ref patch antenna 357dBi

輻射邊包覆 EBG 577dBi

ΔGain 22dB

表 3-4輻射邊兩側包覆 EBG 之增益改善比較

兩種包覆 EBG 的情形做比較使用輻射邊兩側包覆 EBG 對表面波抑制可以

達到最直接的效果再對接地面做變化令輻射邊到接地面邊緣距離等於 15 倍

空氣中波長邊緣的等效感應磁流干擾最大在垂射(broadside)方向造成 30 度到

60 度的旁波瓣將晶胞數加到三列使得輻射場型能有最佳效果如圖 3-19 所示

圖 3-19較大接地面應用更多晶胞數改善輻射場型圖

40

34 電磁帶隙結構結合微帶天線陣列

第二章敘述之高增益天線陣列由於在 E-plane 產生較大之旁波瓣因此論

文將結合 EBG 結構與天線陣列改善輻射場型以符合 ETSI-TS2 規範要求

對原本的天線陣列與改善後的天線陣列作一比較如圖 3-20 為天線結構示意圖

俯視圖 yz 切面為表面波影響較大的面因此我們在 E-plane 兩側包覆 EBG使

用三列的 EBG 週期結構另外圖 3-21 為(a)34GHz(b)355GHz(c)37GHz

輻射場型在 E-plane 的改善比較可以發現在(a)跟(b)改善的效果特別明顯旁波

瓣減弱許多而(c)原本旁波瓣就不大所以改善較不明顯再跟 ETSI-mask 做

比較如圖 3-22改善後的天線陣列距離輻射場型標準線有較大之安全距離對實

作上的誤差影響會比較小以下針對輻射場型做一比較

圖 3-20原始天線陣列與應用 EBG 之天線陣列

41

(a)34GHz E-plane 輻射場型比較

(b)355GHz E-plane 輻射場型比較

(c)37GHz E-plane 輻射場型比較

圖 3-21原始天線陣列與應用 EBG 之天線陣列輻射場型比較

(a)34GHz (b)355GHz (c)37GHz

42

(a)34GHz E-plane

(b)355GHz E-plane

(a)37GHz E-plane

圖 3-22原始天線陣列與應用 EBG 之天線陣列與 ETSI-mask 比較

(a)34GHz (b)355GHz (c)37GHz

43

35 模擬與量測結果比較

由上述模擬的結果進行實作及量測的工作如圖 3-23 為微帶天線結合 EBG

結構的架構表 3-5 列出了板材的規格使用的基板是 FR4 玻璃纖維基板並架高

空氣高度為 5mm

Dielectric constant(topbottom) 44 44

Substrate thickness(topbottom) 08mm 16mm

Loss tangent 002

Air gap 5mm

Upper substrate size 250mm x 200mm

Ground size 300mm x 250mm

表 3-5天線陣列設計參數

圖 3-23應用 EBG 之天線陣列結構圖

44

圖 3-24 為天線陣列在 34GHz355GHz37GHz 的輻射場型從圖中可以

觀察模擬與量測場型蠻相近的

(a)34GHz

(b)355GHz

45

(c)37GHz

圖 3-24天線陣列輻射場型模擬與量測比較

對於其輻射場型的分布需求要符合 ETSI-TS2 的規範以下針對輻射場型與

ETSI-mask 做一比較如圖 3-25 所示從圖中發現實作及量測輻射場型全部

工作頻段都能滿足 mask 要求完成一組高增益天線陣列

(a)34GHz

46

(b)355GHz

(c)37GHz

圖 3-25天線陣列輻射場型與 ETSI-mask 比較

圖 3-26 為天線陣列模擬與量測的反射損耗其工作頻率與設計之天線相去

不遠均包含 34GHz~37GHz頻寬設計較大的原因在於避免外在因素造成的頻

飄量測出來可達 33GHz~39GHz略往高頻飄不過與設計的反射損耗相當接

近圖 3-27 為實際量測的增益對頻率的變化圖其增益的全頻段都能大於

14dBiE-plane 與 H-plane 也較為接近整理數據如表 3-6

47

圖 3-26天線陣列反射損耗模擬與量測比較

圖 3-27天線陣列增益對頻率圖

48

頻率(GHz) 33 34 35 36 37 38

E-plane 增益

(dBi) 1485 1591 1620 1687 1627 1507

H-plane 增益

(dBi) 1421 1565 1598 1629 1607 1518

表 3-6天線陣列增益對頻率表

49

圖 3-28 為實體圖俯視圖側視圖與 EBG 實際大小比較

(a) 俯視圖

(b) 側視圖(空氣高度=05mm)

(c)EBG 實體結構

圖 3-28天線陣列實體圖

50

第四章 結論

(Conclusion)

本論文主要是研究適用於基地台的 WiMAX 頻段高增益天線陣列並控制其

頻寬增益及輻射場型能夠符合 ETSI(European Telecommunication Standards

Institute)的規範在論文第二章中提出的高增益天線陣列是利用一個能量分歧

器把能量等效分成三份的饋入網路接上三組一樣的三元素陣列矩形微帶天線所

組成的天線陣列最高增益可達到 17dBi工作頻率的增益都能超過要求的

14dBi輻射場型符合 ETSI-TS2 規範另外本論文所提出的天線陣列為印刷式

天線不但具有輕量化的特性且大幅降低製作上的困難度也減輕了成本的負擔

透過本論文所設計之 EBG 可有效降低傳統 EBG 結構的製程僅以 FR4 板

材即可自行實作比較無須鉚釘並提出有效提升微帶天線增益的包圍方式在

有限的接地面下可選擇適當的晶胞數來改善天線陣列的輻射場型抑制表面波

對天線的干擾讓邊際效應產生的感應磁流干擾降到最低最後在實作及量測部

分驗證我們模擬的結果

51

參考文獻

[1] W L Stutzman and G A Thiele Antenna Theory and Design 2nd ed New York

Wiley 1998

[2] A Balanis Antenna Theory Analysis and Design New York Wiley 1997

[3] R Gardelli G La Cono and M Albani ldquoA low-cost suspended patch antenna for

WLAN access points and point-to-point linksrdquo IEEE Antennas and Propagat vol

3 no 1 pp 90-93 2004

[4] H F Pues and A R Van de capelle ldquoAn impedance-matching technique for

increasing the bandwidth of microstrip antennasrdquo IEEE Trans on Antennas and

Propagat vol 37 no 11 pp 1345-1354 Nov 1989

[5] Q Song and XndashX Zhang ldquoA study on wideband gap-coupled microstrip antenna

arraysrdquo IEEE Trans On Antennas and Propagat vol 43 no 3 pp 313-317 Mar

1995

[6] D Sievenpiper L Z Romulo F J Broas N G Alexopolous and E Yablonovitch

ldquoHigh-impedance electromagnetic surfaces with a forbidden frequency bandrdquo

IEEE Trans Microwave Theory Tech vol 47 no 11 pp 311-335 Nov 1999

[7] F-R Yang K-P Ma Y Qian and T Itoh ldquo A Uniplanar Compact

Photonic-Bandgap (UC-PBG) Structure and Its Applications for Microwave

Circuitsrdquo IEEE Trans MTT vol 47 Aug 1999

[8] M F Abedin M Z Azad and M Ali ldquo wideband smaller unit-cell planar EBG

structures and their applicationrdquo IEEE Trans On Antenna and Propagat vol 56

no 3 pp 903-908 Mar 2008

[9] I J Bahl and P Bhartia Microstrip Antennas Artech House 1980

[10] JR James and P S Hall Handbook of Microstrip Antennas LondonPeter

Peregrinus Ltd 1989

52

[11] K C Gupta R Garg I J Bahl P Bhartia Microstrip Lines and Slotlines 2nd ed

Norwood MAArtech House 1996

[12] T Namiki Y Murayama and K Ito ldquo Improving radiation-pattern distortion of a

patch antenna having a finite ground planerdquo IEEE Trans On Antenna and

Propagat vol 51 no 3 pp 478-482 Mar 2003

[13] R Coccioli F-R Yang K-P Ma and T Itoh ldquo Aperture-coupled patch antenna

on UC-PBG substraterdquo IEEE Trans Microwave Theory Tech vol 47 no 11 pp

2123-2130 Nov 1999

[14] F Yang and Y Rahmat-samii ldquo Microstrip antenna integrated with

electromagnetic band-gap (EBG) structure a low mutual coupling design for array

applicationrdquo IEEE Trans On Antenna and Propagat vol 51 no 10 pp

2936-2946 Oct2003

[15] Z Iluz R Shavit and R Bauer ldquo Microstrip antenna phased array with

electromagnetic bandgap substraterdquo IEEE Trans On Antenna and Propagat vol

52 no 6 pp 1446-1453 June 2004

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  • 摘要與目錄pdf
  • 論文_終稿_pdf
    • ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU ltFEFF00560065007200770065006e00640065006e0020005300690065002000640069006500730065002000450069006e007300740065006c006c0075006e00670065006e0020007a0075006d002000450072007300740065006c006c0065006e00200076006f006e002000410064006f006200650020005000440046002d0044006f006b0075006d0065006e00740065006e002c00200076006f006e002000640065006e0065006e002000530069006500200068006f00630068007700650072007400690067006500200044007200750063006b006500200061007500660020004400650073006b0074006f0070002d0044007200750063006b00650072006e00200075006e0064002000500072006f006f0066002d00470065007200e400740065006e002000650072007a0065007500670065006e0020006d00f60063006800740065006e002e002000450072007300740065006c006c007400650020005000440046002d0044006f006b0075006d0065006e007400650020006b00f6006e006e0065006e0020006d006900740020004100630072006f00620061007400200075006e0064002000410064006f00620065002000520065006100640065007200200035002e00300020006f0064006500720020006800f600680065007200200067006500f600660066006e00650074002000770065007200640065006e002egt ESP ltFEFF005500740069006c0069006300650020006500730074006100200063006f006e0066006900670075007200610063006900f3006e0020007000610072006100200063007200650061007200200064006f00630075006d0065006e0074006f0073002000640065002000410064006f0062006500200050004400460020007000610072006100200063006f006e00730065006700750069007200200069006d0070007200650073006900f3006e002000640065002000630061006c006900640061006400200065006e00200069006d0070007200650073006f0072006100730020006400650020006500730063007200690074006f00720069006f00200079002000680065007200720061006d00690065006e00740061007300200064006500200063006f00720072006500630063006900f3006e002e002000530065002000700075006500640065006e00200061006200720069007200200064006f00630075006d0065006e0074006f00730020005000440046002000630072006500610064006f007300200063006f006e0020004100630072006f006200610074002c002000410064006f00620065002000520065006100640065007200200035002e003000200079002000760065007200730069006f006e0065007300200070006f00730074006500720069006f007200650073002egt FRA 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 ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR ltFEFF004200720075006b00200064006900730073006500200069006e006e007300740069006c006c0069006e00670065006e0065002000740069006c002000e50020006f0070007000720065007400740065002000410064006f006200650020005000440046002d0064006f006b0075006d0065006e00740065007200200066006f00720020007500740073006b00720069006600740020006100760020006800f800790020006b00760061006c00690074006500740020007000e500200062006f007200640073006b0072006900760065007200200065006c006c00650072002000700072006f006f006600650072002e0020005000440046002d0064006f006b0075006d0065006e00740065006e00650020006b0061006e002000e50070006e00650073002000690020004100630072006f00620061007400200065006c006c00650072002000410064006f00620065002000520065006100640065007200200035002e003000200065006c006c00650072002000730065006e006500720065002egt PTB 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 SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP 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 FRA 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 ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP 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 FRA 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 ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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7

經過推導忽略其相位因子正歸化的陣列因子為

( ) ( )( )

sin 21sin 2

Nf

ψψ

⎡ ⎤= ⎢ ⎥

⎣ ⎦ (28)

在ψ =0時有最大值主波束的方向為

1cosdαθβ

minus ⎛ ⎞minus= ⎜ ⎟

⎝ ⎠ (29)

藉由陣列因子我們將可以預估理想狀況下天線陣列的輻射場型由於本論文天線

陣列由3times3陣列矩陣所組成且微帶天線場型是分佈在天線的垂射(broadside)方

向故在設計天線陣列的饋入網路時每個元素間所得到的能量應為等大小同

相位圖2-4及圖2-5分別為3times3天線陣列E-plane及H-plane在相同大小及相位時

所計算的陣列因子我們可以藉由適當間距的陣列因子與微帶天線的場型乘積

獲得理想上的天線陣列輻射場型分佈

8

圖 2-4在不同間距時E-plane 的陣列因子

圖 2-5在不同間距時H-plane 的陣列因子

9

22 天線結構

221 單一微帶貼片天線設計

由於微帶貼片天線是一共振型天線傳統上其頻寬較窄所以我們可以藉由

改變天線的形狀增加天線的共振路徑或者改變天線的結構以提高頻寬及增

設計微帶貼片天線時基板(substrate)影響天線效能較大的有三個參數介

質損耗(正比於 tanδ )介電常數( rε )以及厚度( h )其中介質損耗越小越好如

此可以提高天線效率及增益但相對的成本也較高而介電常數也是越小越好

如此可以增加頻寬提高天線的指向性及增益相對的天線的尺寸也越大厚度

則是越大越好如此可以提高天線效率及增益有效增加頻寬但厚度太大則容

易產生表面波使得部分能量被束缚在基板中無法輻射出去

基於上述基板對天線效能的影響以及本論文對頻寬及增益的要求我們採

用 FR4( 44rε = )玻璃纖維基板並且採用厚空氣介質如此可以有效降低等效介

電常數值及提高厚度藉以達到寬頻及高增益的特性如圖 2-6 所示

圖 2-6懸浮微帶線結構(Suspended microstrip line configuration)

10

如圖 2-6 加上 air gap 高度之後其等效介電常數會有所改變其可由式(2-10)

得到一近似值[10]

( )( )

rreff

r

h H hh H hε

εε+ minus⎡ ⎤⎣ ⎦=

+ minus (2-10)

另外懸浮微帶線的特性阻抗(假設 t=0)則由式(2-11)得到較精確的值以便設計

饋入網路[11]

2

0 10

2ln 12 re

FZu u

ηπ ε

⎡ ⎤⎛ ⎞⎢ ⎥= + + ⎜ ⎟⎢ ⎥⎝ ⎠⎣ ⎦ (2-11)

其中

( ) ( )07528306661 6 2 6 uF eπ minus= + minus (2-11a)

( )0 120η π= Ω Wuh

= (2-11b)

1

11 ln 1rer

h Wa bH h H h

εε

minus⎡ ⎤⎛ ⎞⎛ ⎞= + minus minus⎢ ⎥⎜ ⎟⎜ ⎟⎜ ⎟minus minus⎝ ⎠⎢ ⎥⎝ ⎠⎣ ⎦

(2-12)

其中

4

08621 0125ln haH h

⎡ ⎤⎛ ⎞= minus ⎜ ⎟⎢ ⎥minus⎝ ⎠⎣ ⎦ (2-12a)

4

04986 01397 ln hbH h

⎡ ⎤⎛ ⎞= minus ⎜ ⎟⎢ ⎥minus⎝ ⎠⎣ ⎦ (2-12b)

11

利用前面提到的矩形微帶天線基本理論將天線的寬度及長度求出把饋入網

路與天線元素在同一平面做一結合設計參數如表 2-1

Dielectric constant 44

Substrate thickness 08mm

Loss tangent 002

Air gap 5mm

Single patch size 416mm(W) x 335mm(L)

Feeding line width 0901mm

Feeding line length 1996mm

表 2-1矩形微帶天線設計參數

利用式(2-4)(2-5)及(2-6)求出天線邊緣的輸入阻抗再設計一四分之一波長

傳輸線饋入並以特性阻抗 Z0 的輸入埠進行模擬如圖 2-7 所示

圖 2-7矩形微帶貼片天線示意圖

Ground plane

65mm Patch antenna

W

L

Zt=9904Ω

Z0=50Ω

80mm

12

當天線共振時天線邊緣的輸入阻抗 inZ 可藉由 20in tZ Z Z= 計算得知接著

觀察中心頻率為 355GHz 的矩形微帶貼片天線其反射損耗與輻射場型圖 2-8

為反射損耗圖圖 2-9 為中心頻率 355GHz 模擬的輻射場型

圖 2-8矩形微帶貼片天線反射損耗

圖 2-9矩形微帶貼片天線在中心頻率 355GHz 模擬的輻射場型

Return Loss

13

222 高增益天線陣列設計

首先以微帶線並聯的饋入結構設計能量一分三的網路再利用傳輸線作阻

抗的匹配[13]最後再以其寬頻的特性饋入到天線陣列圖 2-10 為饋入網路示意

圖圖 2-11 及圖 2-12 分別為饋入網路之反射損耗(Return Loss)插入損耗

(Insertion Loss)以及各輸出埠相位圖

圖 2-10饋入網路示意圖

圖 2-11天線陣列饋入網路之反射損耗及插入損耗模擬圖

14

圖 2-12天線陣列饋入網路各輸出埠相位差

從圖 2-11 可以發現各輸出埠的能量在不同頻率的變化實線為埠一(port1)

的反射損耗其餘為埠二三及四的插入損耗在工作頻率的範圍輸出埠的能

量差值在 2dB 以內而每個輸出埠在工作頻率的相位差為 20deg以內

接著我們利用圖 2-10 的分歧器輸出埠接上天線三元天線陣列如圖 2-13

觀察其反射損耗(圖 2-14)與輻射場型(圖 2-15)

圖 2-13三元天線陣列

15

圖 2-14三元天線陣列反射損耗

圖 2-15三元天線陣列在中心頻率 355GHz 模擬的輻射場型

由圖 2-14圖 2-15 了解到反射損耗在工作頻段(34GHz~37GHz)滿足要求

觀察輻射場型發現增益已可達到 12dBi此時再利用一組能量一分三的分歧器

設計總天線陣列預計為三乘以三共九個元素的天線陣列設計參數如表 2-2

16

Dielectric constant(topbottom) 44 44

Substrate thickness(topbottom) 08mm 16mm

Loss tangent 002

Air gap 5mm

Upper substrate size 250mm x 200mm

Ground size 300mm x 250mm

表 2-2天線陣列設計參數

圖 2-16 為天線陣列結構圖由於饋入網路阻抗匹配與相位差對天線陣列影

響非常大所以設計其信號饋入端為 50Ω以符合實際上使用的 SMA 接頭使

饋入網路匹配

圖 2-16天線陣列結構俯視圖

17

圖 2-17 為天線陣列在(a)34GHz(b)355GHz(c)37GHz 的輻射場型從圖

中可看出模擬與量測的輻射場型相當接近增益也能達到要求

(a)34GHz

(b)355GHz

18

(c)37GHz

圖 2-17天線陣列輻射場型

天線結構確定之後對於其輻射場型的分布需求要符合 ETSI-TS2 的規範

表 2-3 為 ETSI-TS2 對輻射場型分布的要求以下針對輻射場型與 ETSI-mask 做

一比較如圖 2-18 所示從圖中發現除了 34GHz 些微超出標準之外其餘頻

段都能滿足輻射場型要求之後會將改善的部份再做比較

表 2-3ETSI-TS2 對輻射場型分布之要求

19

(a)34GHz

(b)355GHz

(c)37GHz

圖 2-18天線陣列輻射場型與 ETSI-mask 之比較

20

圖 2-19 為天線陣列模擬與量測的反射損耗其工作頻率與設計之天線相去

不遠均包含 34GHz~37GHz圖 2-20 為實際量測的增益對頻率的變化圖其

增益的全頻段都能大於 14dBi其中某些頻率點可看出 E-plane 與 H-plane 所量

測到的最大增益值並不相同這主要的原因在於由饋入網路輸出端在在不同頻率

會有些微的相位差所致使得天線的最大增益值會些微偏移一個角度不過基

本上的趨勢還是相近

圖 2-19天線陣列模擬與量測之反射損耗

21

圖 2-20天線陣列增益對頻率圖

頻率(GHz) 33 34 35 36 37 38

E-plane 增益

(dBi) 1457 1619 1702 1634 1568 1429

H-plane 增益

(dB) 1421 1582 1624 1607 1581 1434

表 2-4天線陣列增益對頻率表

22

(a)俯視圖

(b)側視圖

圖 2-21天線陣列實體圖(a)俯視圖(b)側視圖

23

第三章 電磁帶隙結構與應用

(Electromagnetic Band-Gap Structure and Its Applications )

31 單位晶胞設計與截止帶比較

在天線中通常在較高之基板厚度及較大之介電常數時容易產生表面波

干擾天線輻射為了阻止表面波的傳遞論文中設計了高阻抗表面也就是所謂

的電磁帶隙(EBG)結構能有效抑制表面波提升天線效能

在近幾年許多微波領域的研究文獻利用光子能隙(Photonic Band-Gap

PBG)的概念也就是在介電係數成週期性排列的三維介電材料中電磁波經介

電函數散射後某些波段的電磁波強度會因破壞性干涉而呈現衰減無法在系統

內傳遞而在頻譜上形成截止帶[7][8]應用這個觀念在平面式傳輸線上設計具

有週期性幾何結構的電路造成電磁波在某些頻段無法傳遞而達到濾波的效果

由於使用於微波頻段所以稱此種結構為電磁帶隙或電磁能隙(Electromagnetic

Band-Gap EBG)結構

一個 EBG 結構電路時為一個電路之接地面在沿著某方向或平面做週期性

幾何結構變化所構成的電路如圖 3-1

圖 3-1一維 EBG 結構電路圖

利用 EBG 電路的週期性幾何結構形成一個電磁波的截止帶實線一個具

有寬頻與良好效能的帶止濾波器(Bandstop Filter)本論文使用共平面緊密電磁

帶隙結構(Uniplanar Compact EBG)如圖 3-2取代傳統的完整或切割連結通道

CellCell Cell Cell Cell d d d d TL TL TL TL

24

的平面結構每個單位細胞間以細線做連結細線提供了主要的電感效應每個

單位細胞間以狹縫做為區隔細狹縫間之互容效應與單位細胞之平面電容提供

了主要電容效應利用並接的電感電容效應來達到一寬頻的截止帶

圖 3-2EBG 結構集總電路圖

為了得到我們需要的截止帶首先模擬一個理想傳輸線當對照組(圖 3-3)

使用了介電常數值為 44 的 FR4 電路板厚度為 16mm觀察其反射損耗與插入

損耗從圖 3-4 了解到傳輸線從 1GHz 到 15GHz 反射損耗皆在-20dB 以下插入

損耗-3dB 以上

圖 3-3微帶傳輸線

(a) 俯視圖

(b) 側視圖

25

圖 3-4微帶傳輸線之反射損耗與插入損耗

利用電磁帶隙週期性二維的重複結構如圖 3-5可以找到我們所需要的截止

帶從微帶線的插入損耗可以明顯得到所設計的截止帶頻段跟單位晶胞的大小

成正相關整體電路的等效電感與等效電容越大相對的頻帶也會往低頻跑

(a)正面俯視圖 (b)背面俯視圖

圖 3-5微帶線加上 EBG 結構正面與背面

26

改變單位晶胞大小與截止帶之比較分別從(圖 3-6)4mm2(圖 3-7)6mm2(圖

3-8)8mm2(圖 3-9)10mm2的晶胞大小可以控制截止帶落在哪些區域

(b)反射損耗

a b

g

gs

h

(a)單位晶胞大小

a = 4 mmb = 37 mm s = g = 03 mm h = 18 mm

a

27

圖 3-6微帶線加上 4mm2EBG 結構之晶胞大小與 S 參數比較

從圖 3-6 可以得知從 10GHz 到 12GHz 有一較深之截止帶14GHz 之後也有

截止頻帶只是實驗目標以低頻為主故只模擬到 15GHz繼續改變晶胞大小

來設計低頻截止帶

a b

g

gs

h

(a)單位晶胞大小

a = 6 mm b = 57 mm s = g = 03 mm h = 28 mm

a

(c)插入損耗

28

圖 3-7微帶線加上 6mm2EBG 結構之晶胞大小與 S 參數比較

讓 EBG 晶胞變大(6mm2)跟預期結果相符可以得到更低頻的截止帶低頻帶

從 7GHz 到 9GHz高頻帶 10GHz 之後仍然存在極深之截止帶

(b)S參數比較圖

a bg

gs

h

(a)單位晶胞大小

a = 8 mm b = 76 mm s = g = 04 mm h = 37 mm

a

29

圖 3-8微帶線加上 8mm2EBG 結構之晶胞大小與 S 參數比較

從圖 3-8 的結果得到更低頻的截止帶座落於 43GHz~58GHz 及

61GHz~7GHz 由 於 論 文 中 所 設 計 的 WiMAX 天 線 陣 列 工 作 頻 率 在

34GHz~37GHz故需再將晶胞大小改變讓系統能夠共振在更低頻處

(b)S參數比較圖

a bg

gs

h

(a)單位晶胞大小

a = 10 mm b = 93 mm s = g = 07 mm h = 42 mm

a

30

圖 3-9微帶線加上 10mm2EBG 結構之晶胞大小與 S 參數比較

將週期性電磁帶隙結構結合微帶線可以設計出需要的截止帶圖 3-9 主要

的截止帶在 325GHz~4GHz 及 465GHz~58GHz已經達到需求的頻帶範圍下

個目標將結合微帶天線做改善與比較

(b)S參數比較圖

31

32 電磁帶隙結構包圍方式之探討

321 有限接地面的探討

由於設計的微帶天線主要是在邊射(Broad-side)方向輻射所以需要選擇一個

適當的接地面大小讓輻射場型得到一個最佳值理論上來說無限大的接地面

可以得到最平滑(Smooth)的輻射場型只在單邊輻射不會受到地面干擾實際

上在有限的空間必須選擇一個適當大小的接地面以符合成本與面積要求

而有限的接地面卻容易造成邊緣效應干擾[12]表面波在接地面邊緣產生繞射場

(Diffracted fields)形成新的波源以陣列因子的觀點來看多了新的波源會造

成輻射場型加乘上的消長如圖 3-10微帶貼片天線主要是以前後兩側差半波

長之邊輻射而有限接地面則會在邊緣產生感應磁流(Induced equivalent

magnetic current)如圖 3-11從電場的指向可以推得磁流的方向對照輻射

場型容易在邊射方向造成波紋(Ripple)

圖 3-10有限接地面產生之輻射場型比較圖

L

32

圖 3-11介質中電場指向之強弱分布與感應磁流方向

由於接地面的大小在 E-plane 會產生波紋來干擾輻射場型所以論文中以

EBG 週期性結構來做為一個完美磁導體(Perfect Magnetic ConductorPMC)也

就是人工 PMC(Artificial PMC)抑制邊緣電場的垂直入射減弱感應磁流的效

應以改善天線輻射場型

322 天線周圍包覆 PMC

傳統上 EBG 以圍滿的方式來改善微帶天線之增益與輻射[13]並透過晶胞

數的不斷增加來提高增益及改善輻射場型但晶胞數的增加將提高成本加大

EBG 面積及天線整體體積高達一定數量時反而會降低天線性能對於微帶貼

片天線而言EBG 在接地面太靠近天線輻射邊反而影響其輻射機制造成頻率

飄移因此論文中將探討 EBG 的包圍方式對天線性能之影響以有最佳效果

已知高阻抗表面可以阻擋介質中表面波的傳遞因此先透過理想 PMC 來代

替所設計之高阻抗表面 EBG 結構以分析其特性找出提升天性能的最佳包圍

33

方式

首先把天線周圍包覆 PMC 如圖 3-12以逼近的方式慢慢擴大 PMC 的面積

一圈 PMC 的寬度與設計的晶胞大小邊長一樣從輻射場型來看使用到第二圈

時可以得到最佳的輻射效能如圖 3-13PMC 包圍有其最佳範圍取得有效的包

圍方式可以讓天線輻射最佳化

圖 3-12天線周圍包覆 PMC

34

圖 3-13天線周圍包覆 PMC 之輻射場型比較

參考天線 一圈 PMC 二圈 PMC 三圈 PMC

0 度增益 357dBi 432dBi 545dBi 478dBi

增益改善 075dB 188dB 121dB

表 3-1天線周圍包覆 PMC 之增益改善比較

35

323 輻射邊兩側包覆 PMC

由於微帶天線之表面波傳遞方向以 xz 切面為主如圖 3-14因此在微帶天線

輻射邊的兩側擺放 EBG 結構以抑制其傳遞有效改善天線輻射場型首先使

用理想的 PMC 在天線輻射邊兩側包覆如圖 3-15對於 PMC 覆蓋面積的大小作一

探討變化 PMC 之覆蓋面積了解其對天線輻射場型的影響在邊射(broadside)

方向的輻射場型可以有效改善波紋讓旁波瓣(sidelobe)大幅度降低如圖 3-16

所示以兩列 PMC 可以達到較佳效果再增加一列 PMC 雖些許增加增益不

過 PMC 覆蓋的面積已達飽和因此從上述可知在結合 EBG 和微帶天線時

將有一最佳之覆蓋面積使用最適當之晶胞數來達到最佳的增益改善

圖 3-14表面波在介質空間中分布

36

圖 3-15輻射邊兩側包覆 PMC

圖 3-16輻射邊兩側包覆 PMC 之輻射場型比較

37

參考天線 一列 PMC 二列 PMC 三列 PMC

0 度增益 357dBi 528dBi 642dBi 644dBi

增益改善 171dB 285dB 287dB

表 3-2輻射邊兩側包覆 PMC 之增益改善比較

33 電磁帶隙結構結合單一微帶天線

以下將結合所設計之 EBG 結構和微帶天線以改善微帶天線之輻射場型干

擾從前述的探討先以圍繞式包圍天線做輻射場型比較如圖 3-17 所示

圖 3-17天線周圍包覆 EBG 之輻射場型比較

38

0 度增益

Ref patch antenna 357dBi

圍繞 EBG 572dBi

ΔGain 215dB

表 3-3天線周圍包覆 EBG 之增益改善比較

由於表面波之傳遞主要為 X 軸方向因此以 EBG 之較寬頻的維度來抑制 X

方向的表面波其結合方式如下以兩列 EBG 結構與天線結合比較如圖 3-18

圖 3-18輻射邊兩側包覆 EBG 之輻射場型比較

39

0 度增益

Ref patch antenna 357dBi

輻射邊包覆 EBG 577dBi

ΔGain 22dB

表 3-4輻射邊兩側包覆 EBG 之增益改善比較

兩種包覆 EBG 的情形做比較使用輻射邊兩側包覆 EBG 對表面波抑制可以

達到最直接的效果再對接地面做變化令輻射邊到接地面邊緣距離等於 15 倍

空氣中波長邊緣的等效感應磁流干擾最大在垂射(broadside)方向造成 30 度到

60 度的旁波瓣將晶胞數加到三列使得輻射場型能有最佳效果如圖 3-19 所示

圖 3-19較大接地面應用更多晶胞數改善輻射場型圖

40

34 電磁帶隙結構結合微帶天線陣列

第二章敘述之高增益天線陣列由於在 E-plane 產生較大之旁波瓣因此論

文將結合 EBG 結構與天線陣列改善輻射場型以符合 ETSI-TS2 規範要求

對原本的天線陣列與改善後的天線陣列作一比較如圖 3-20 為天線結構示意圖

俯視圖 yz 切面為表面波影響較大的面因此我們在 E-plane 兩側包覆 EBG使

用三列的 EBG 週期結構另外圖 3-21 為(a)34GHz(b)355GHz(c)37GHz

輻射場型在 E-plane 的改善比較可以發現在(a)跟(b)改善的效果特別明顯旁波

瓣減弱許多而(c)原本旁波瓣就不大所以改善較不明顯再跟 ETSI-mask 做

比較如圖 3-22改善後的天線陣列距離輻射場型標準線有較大之安全距離對實

作上的誤差影響會比較小以下針對輻射場型做一比較

圖 3-20原始天線陣列與應用 EBG 之天線陣列

41

(a)34GHz E-plane 輻射場型比較

(b)355GHz E-plane 輻射場型比較

(c)37GHz E-plane 輻射場型比較

圖 3-21原始天線陣列與應用 EBG 之天線陣列輻射場型比較

(a)34GHz (b)355GHz (c)37GHz

42

(a)34GHz E-plane

(b)355GHz E-plane

(a)37GHz E-plane

圖 3-22原始天線陣列與應用 EBG 之天線陣列與 ETSI-mask 比較

(a)34GHz (b)355GHz (c)37GHz

43

35 模擬與量測結果比較

由上述模擬的結果進行實作及量測的工作如圖 3-23 為微帶天線結合 EBG

結構的架構表 3-5 列出了板材的規格使用的基板是 FR4 玻璃纖維基板並架高

空氣高度為 5mm

Dielectric constant(topbottom) 44 44

Substrate thickness(topbottom) 08mm 16mm

Loss tangent 002

Air gap 5mm

Upper substrate size 250mm x 200mm

Ground size 300mm x 250mm

表 3-5天線陣列設計參數

圖 3-23應用 EBG 之天線陣列結構圖

44

圖 3-24 為天線陣列在 34GHz355GHz37GHz 的輻射場型從圖中可以

觀察模擬與量測場型蠻相近的

(a)34GHz

(b)355GHz

45

(c)37GHz

圖 3-24天線陣列輻射場型模擬與量測比較

對於其輻射場型的分布需求要符合 ETSI-TS2 的規範以下針對輻射場型與

ETSI-mask 做一比較如圖 3-25 所示從圖中發現實作及量測輻射場型全部

工作頻段都能滿足 mask 要求完成一組高增益天線陣列

(a)34GHz

46

(b)355GHz

(c)37GHz

圖 3-25天線陣列輻射場型與 ETSI-mask 比較

圖 3-26 為天線陣列模擬與量測的反射損耗其工作頻率與設計之天線相去

不遠均包含 34GHz~37GHz頻寬設計較大的原因在於避免外在因素造成的頻

飄量測出來可達 33GHz~39GHz略往高頻飄不過與設計的反射損耗相當接

近圖 3-27 為實際量測的增益對頻率的變化圖其增益的全頻段都能大於

14dBiE-plane 與 H-plane 也較為接近整理數據如表 3-6

47

圖 3-26天線陣列反射損耗模擬與量測比較

圖 3-27天線陣列增益對頻率圖

48

頻率(GHz) 33 34 35 36 37 38

E-plane 增益

(dBi) 1485 1591 1620 1687 1627 1507

H-plane 增益

(dBi) 1421 1565 1598 1629 1607 1518

表 3-6天線陣列增益對頻率表

49

圖 3-28 為實體圖俯視圖側視圖與 EBG 實際大小比較

(a) 俯視圖

(b) 側視圖(空氣高度=05mm)

(c)EBG 實體結構

圖 3-28天線陣列實體圖

50

第四章 結論

(Conclusion)

本論文主要是研究適用於基地台的 WiMAX 頻段高增益天線陣列並控制其

頻寬增益及輻射場型能夠符合 ETSI(European Telecommunication Standards

Institute)的規範在論文第二章中提出的高增益天線陣列是利用一個能量分歧

器把能量等效分成三份的饋入網路接上三組一樣的三元素陣列矩形微帶天線所

組成的天線陣列最高增益可達到 17dBi工作頻率的增益都能超過要求的

14dBi輻射場型符合 ETSI-TS2 規範另外本論文所提出的天線陣列為印刷式

天線不但具有輕量化的特性且大幅降低製作上的困難度也減輕了成本的負擔

透過本論文所設計之 EBG 可有效降低傳統 EBG 結構的製程僅以 FR4 板

材即可自行實作比較無須鉚釘並提出有效提升微帶天線增益的包圍方式在

有限的接地面下可選擇適當的晶胞數來改善天線陣列的輻射場型抑制表面波

對天線的干擾讓邊際效應產生的感應磁流干擾降到最低最後在實作及量測部

分驗證我們模擬的結果

51

參考文獻

[1] W L Stutzman and G A Thiele Antenna Theory and Design 2nd ed New York

Wiley 1998

[2] A Balanis Antenna Theory Analysis and Design New York Wiley 1997

[3] R Gardelli G La Cono and M Albani ldquoA low-cost suspended patch antenna for

WLAN access points and point-to-point linksrdquo IEEE Antennas and Propagat vol

3 no 1 pp 90-93 2004

[4] H F Pues and A R Van de capelle ldquoAn impedance-matching technique for

increasing the bandwidth of microstrip antennasrdquo IEEE Trans on Antennas and

Propagat vol 37 no 11 pp 1345-1354 Nov 1989

[5] Q Song and XndashX Zhang ldquoA study on wideband gap-coupled microstrip antenna

arraysrdquo IEEE Trans On Antennas and Propagat vol 43 no 3 pp 313-317 Mar

1995

[6] D Sievenpiper L Z Romulo F J Broas N G Alexopolous and E Yablonovitch

ldquoHigh-impedance electromagnetic surfaces with a forbidden frequency bandrdquo

IEEE Trans Microwave Theory Tech vol 47 no 11 pp 311-335 Nov 1999

[7] F-R Yang K-P Ma Y Qian and T Itoh ldquo A Uniplanar Compact

Photonic-Bandgap (UC-PBG) Structure and Its Applications for Microwave

Circuitsrdquo IEEE Trans MTT vol 47 Aug 1999

[8] M F Abedin M Z Azad and M Ali ldquo wideband smaller unit-cell planar EBG

structures and their applicationrdquo IEEE Trans On Antenna and Propagat vol 56

no 3 pp 903-908 Mar 2008

[9] I J Bahl and P Bhartia Microstrip Antennas Artech House 1980

[10] JR James and P S Hall Handbook of Microstrip Antennas LondonPeter

Peregrinus Ltd 1989

52

[11] K C Gupta R Garg I J Bahl P Bhartia Microstrip Lines and Slotlines 2nd ed

Norwood MAArtech House 1996

[12] T Namiki Y Murayama and K Ito ldquo Improving radiation-pattern distortion of a

patch antenna having a finite ground planerdquo IEEE Trans On Antenna and

Propagat vol 51 no 3 pp 478-482 Mar 2003

[13] R Coccioli F-R Yang K-P Ma and T Itoh ldquo Aperture-coupled patch antenna

on UC-PBG substraterdquo IEEE Trans Microwave Theory Tech vol 47 no 11 pp

2123-2130 Nov 1999

[14] F Yang and Y Rahmat-samii ldquo Microstrip antenna integrated with

electromagnetic band-gap (EBG) structure a low mutual coupling design for array

applicationrdquo IEEE Trans On Antenna and Propagat vol 51 no 10 pp

2936-2946 Oct2003

[15] Z Iluz R Shavit and R Bauer ldquo Microstrip antenna phased array with

electromagnetic bandgap substraterdquo IEEE Trans On Antenna and Propagat vol

52 no 6 pp 1446-1453 June 2004

  • 封面pdf
  • 摘要與目錄pdf
  • 論文_終稿_pdf
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 DEU 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 ESP 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 FRA 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 ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO ltFEFF004b00e40079007400e40020006e00e40069007400e4002000610073006500740075006b007300690061002c0020006b0075006e0020006c0075006f0074002000410064006f0062006500200050004400460020002d0064006f006b0075006d0065006e007400740065006a00610020006c0061006100640075006b006100730074006100200074007900f6007000f60079007400e400740075006c006f0073007400750073007400610020006a00610020007600650064006f007300740075007300740061002000760061007200740065006e002e00200020004c0075006f0064007500740020005000440046002d0064006f006b0075006d0065006e00740069007400200076006f0069006400610061006e0020006100760061007400610020004100630072006f0062006100740069006c006c00610020006a0061002000410064006f00620065002000520065006100640065007200200035002e0030003a006c006c00610020006a006100200075007500640065006d006d0069006c006c0061002egt SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP 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 FRA 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 ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO 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 SVE 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50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

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false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN ltFEFF004200720075006700200069006e0064007300740069006c006c0069006e006700650072006e0065002000740069006c0020006100740020006f007000720065007400740065002000410064006f006200650020005000440046002d0064006f006b0075006d0065006e007400650072002000740069006c0020006b00760061006c00690074006500740073007500640073006b007200690076006e0069006e006700200065006c006c006500720020006b006f007200720065006b007400750072006c00e60073006e0069006e0067002e0020004400650020006f007000720065007400740065006400650020005000440046002d0064006f006b0075006d0065006e0074006500720020006b0061006e002000e50062006e00650073002000690020004100630072006f00620061007400200065006c006c006500720020004100630072006f006200610074002000520065006100640065007200200035002e00300020006f00670020006e0079006500720065002egt DEU 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 ESP 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 FRA ltFEFF005500740069006c006900730065007a00200063006500730020006f007000740069006f006e00730020006100660069006e00200064006500200063007200e900650072002000640065007300200064006f00630075006d0065006e00740073002000410064006f00620065002000500044004600200070006f007500720020006400650073002000e90070007200650075007600650073002000650074002000640065007300200069006d007000720065007300730069006f006e00730020006400650020006800610075007400650020007100750061006c0069007400e90020007300750072002000640065007300200069006d007000720069006d0061006e0074006500730020006400650020006200750072006500610075002e0020004c0065007300200064006f00630075006d0065006e00740073002000500044004600200063007200e900e90073002000700065007500760065006e0074002000ea0074007200650020006f007500760065007200740073002000640061006e00730020004100630072006f006200610074002c002000610069006e00730069002000710075002700410064006f00620065002000520065006100640065007200200035002e0030002000650074002000760065007200730069006f006e007300200075006c007400e90072006900650075007200650073002egt ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO ltFEFF004b00e40079007400e40020006e00e40069007400e4002000610073006500740075006b007300690061002c0020006b0075006e0020006c0075006f0074002000410064006f0062006500200050004400460020002d0064006f006b0075006d0065006e007400740065006a00610020006c0061006100640075006b006100730074006100200074007900f6007000f60079007400e400740075006c006f0073007400750073007400610020006a00610020007600650064006f007300740075007300740061002000760061007200740065006e002e00200020004c0075006f0064007500740020005000440046002d0064006f006b0075006d0065006e00740069007400200076006f0069006400610061006e0020006100760061007400610020004100630072006f0062006100740069006c006c00610020006a0061002000410064006f00620065002000520065006100640065007200200035002e0030003a006c006c00610020006a006100200075007500640065006d006d0069006c006c0061002egt SVE ltFEFF0041006e007600e4006e00640020006400650020006800e4007200200069006e0073007400e4006c006c006e0069006e006700610072006e00610020006f006d002000640075002000760069006c006c00200073006b006100700061002000410064006f006200650020005000440046002d0064006f006b0075006d0065006e00740020006600f600720020006b00760061006c00690074006500740073007500740073006b0072006900660074006500720020007000e5002000760061006e006c00690067006100200073006b0072006900760061007200650020006f006300680020006600f600720020006b006f007200720065006b007400750072002e002000200053006b006100700061006400650020005000440046002d0064006f006b0075006d0065006e00740020006b0061006e002000f600700070006e00610073002000690020004100630072006f0062006100740020006f00630068002000410064006f00620065002000520065006100640065007200200035002e00300020006f00630068002000730065006e006100720065002egt ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

8

圖 2-4在不同間距時E-plane 的陣列因子

圖 2-5在不同間距時H-plane 的陣列因子

9

22 天線結構

221 單一微帶貼片天線設計

由於微帶貼片天線是一共振型天線傳統上其頻寬較窄所以我們可以藉由

改變天線的形狀增加天線的共振路徑或者改變天線的結構以提高頻寬及增

設計微帶貼片天線時基板(substrate)影響天線效能較大的有三個參數介

質損耗(正比於 tanδ )介電常數( rε )以及厚度( h )其中介質損耗越小越好如

此可以提高天線效率及增益但相對的成本也較高而介電常數也是越小越好

如此可以增加頻寬提高天線的指向性及增益相對的天線的尺寸也越大厚度

則是越大越好如此可以提高天線效率及增益有效增加頻寬但厚度太大則容

易產生表面波使得部分能量被束缚在基板中無法輻射出去

基於上述基板對天線效能的影響以及本論文對頻寬及增益的要求我們採

用 FR4( 44rε = )玻璃纖維基板並且採用厚空氣介質如此可以有效降低等效介

電常數值及提高厚度藉以達到寬頻及高增益的特性如圖 2-6 所示

圖 2-6懸浮微帶線結構(Suspended microstrip line configuration)

10

如圖 2-6 加上 air gap 高度之後其等效介電常數會有所改變其可由式(2-10)

得到一近似值[10]

( )( )

rreff

r

h H hh H hε

εε+ minus⎡ ⎤⎣ ⎦=

+ minus (2-10)

另外懸浮微帶線的特性阻抗(假設 t=0)則由式(2-11)得到較精確的值以便設計

饋入網路[11]

2

0 10

2ln 12 re

FZu u

ηπ ε

⎡ ⎤⎛ ⎞⎢ ⎥= + + ⎜ ⎟⎢ ⎥⎝ ⎠⎣ ⎦ (2-11)

其中

( ) ( )07528306661 6 2 6 uF eπ minus= + minus (2-11a)

( )0 120η π= Ω Wuh

= (2-11b)

1

11 ln 1rer

h Wa bH h H h

εε

minus⎡ ⎤⎛ ⎞⎛ ⎞= + minus minus⎢ ⎥⎜ ⎟⎜ ⎟⎜ ⎟minus minus⎝ ⎠⎢ ⎥⎝ ⎠⎣ ⎦

(2-12)

其中

4

08621 0125ln haH h

⎡ ⎤⎛ ⎞= minus ⎜ ⎟⎢ ⎥minus⎝ ⎠⎣ ⎦ (2-12a)

4

04986 01397 ln hbH h

⎡ ⎤⎛ ⎞= minus ⎜ ⎟⎢ ⎥minus⎝ ⎠⎣ ⎦ (2-12b)

11

利用前面提到的矩形微帶天線基本理論將天線的寬度及長度求出把饋入網

路與天線元素在同一平面做一結合設計參數如表 2-1

Dielectric constant 44

Substrate thickness 08mm

Loss tangent 002

Air gap 5mm

Single patch size 416mm(W) x 335mm(L)

Feeding line width 0901mm

Feeding line length 1996mm

表 2-1矩形微帶天線設計參數

利用式(2-4)(2-5)及(2-6)求出天線邊緣的輸入阻抗再設計一四分之一波長

傳輸線饋入並以特性阻抗 Z0 的輸入埠進行模擬如圖 2-7 所示

圖 2-7矩形微帶貼片天線示意圖

Ground plane

65mm Patch antenna

W

L

Zt=9904Ω

Z0=50Ω

80mm

12

當天線共振時天線邊緣的輸入阻抗 inZ 可藉由 20in tZ Z Z= 計算得知接著

觀察中心頻率為 355GHz 的矩形微帶貼片天線其反射損耗與輻射場型圖 2-8

為反射損耗圖圖 2-9 為中心頻率 355GHz 模擬的輻射場型

圖 2-8矩形微帶貼片天線反射損耗

圖 2-9矩形微帶貼片天線在中心頻率 355GHz 模擬的輻射場型

Return Loss

13

222 高增益天線陣列設計

首先以微帶線並聯的饋入結構設計能量一分三的網路再利用傳輸線作阻

抗的匹配[13]最後再以其寬頻的特性饋入到天線陣列圖 2-10 為饋入網路示意

圖圖 2-11 及圖 2-12 分別為饋入網路之反射損耗(Return Loss)插入損耗

(Insertion Loss)以及各輸出埠相位圖

圖 2-10饋入網路示意圖

圖 2-11天線陣列饋入網路之反射損耗及插入損耗模擬圖

14

圖 2-12天線陣列饋入網路各輸出埠相位差

從圖 2-11 可以發現各輸出埠的能量在不同頻率的變化實線為埠一(port1)

的反射損耗其餘為埠二三及四的插入損耗在工作頻率的範圍輸出埠的能

量差值在 2dB 以內而每個輸出埠在工作頻率的相位差為 20deg以內

接著我們利用圖 2-10 的分歧器輸出埠接上天線三元天線陣列如圖 2-13

觀察其反射損耗(圖 2-14)與輻射場型(圖 2-15)

圖 2-13三元天線陣列

15

圖 2-14三元天線陣列反射損耗

圖 2-15三元天線陣列在中心頻率 355GHz 模擬的輻射場型

由圖 2-14圖 2-15 了解到反射損耗在工作頻段(34GHz~37GHz)滿足要求

觀察輻射場型發現增益已可達到 12dBi此時再利用一組能量一分三的分歧器

設計總天線陣列預計為三乘以三共九個元素的天線陣列設計參數如表 2-2

16

Dielectric constant(topbottom) 44 44

Substrate thickness(topbottom) 08mm 16mm

Loss tangent 002

Air gap 5mm

Upper substrate size 250mm x 200mm

Ground size 300mm x 250mm

表 2-2天線陣列設計參數

圖 2-16 為天線陣列結構圖由於饋入網路阻抗匹配與相位差對天線陣列影

響非常大所以設計其信號饋入端為 50Ω以符合實際上使用的 SMA 接頭使

饋入網路匹配

圖 2-16天線陣列結構俯視圖

17

圖 2-17 為天線陣列在(a)34GHz(b)355GHz(c)37GHz 的輻射場型從圖

中可看出模擬與量測的輻射場型相當接近增益也能達到要求

(a)34GHz

(b)355GHz

18

(c)37GHz

圖 2-17天線陣列輻射場型

天線結構確定之後對於其輻射場型的分布需求要符合 ETSI-TS2 的規範

表 2-3 為 ETSI-TS2 對輻射場型分布的要求以下針對輻射場型與 ETSI-mask 做

一比較如圖 2-18 所示從圖中發現除了 34GHz 些微超出標準之外其餘頻

段都能滿足輻射場型要求之後會將改善的部份再做比較

表 2-3ETSI-TS2 對輻射場型分布之要求

19

(a)34GHz

(b)355GHz

(c)37GHz

圖 2-18天線陣列輻射場型與 ETSI-mask 之比較

20

圖 2-19 為天線陣列模擬與量測的反射損耗其工作頻率與設計之天線相去

不遠均包含 34GHz~37GHz圖 2-20 為實際量測的增益對頻率的變化圖其

增益的全頻段都能大於 14dBi其中某些頻率點可看出 E-plane 與 H-plane 所量

測到的最大增益值並不相同這主要的原因在於由饋入網路輸出端在在不同頻率

會有些微的相位差所致使得天線的最大增益值會些微偏移一個角度不過基

本上的趨勢還是相近

圖 2-19天線陣列模擬與量測之反射損耗

21

圖 2-20天線陣列增益對頻率圖

頻率(GHz) 33 34 35 36 37 38

E-plane 增益

(dBi) 1457 1619 1702 1634 1568 1429

H-plane 增益

(dB) 1421 1582 1624 1607 1581 1434

表 2-4天線陣列增益對頻率表

22

(a)俯視圖

(b)側視圖

圖 2-21天線陣列實體圖(a)俯視圖(b)側視圖

23

第三章 電磁帶隙結構與應用

(Electromagnetic Band-Gap Structure and Its Applications )

31 單位晶胞設計與截止帶比較

在天線中通常在較高之基板厚度及較大之介電常數時容易產生表面波

干擾天線輻射為了阻止表面波的傳遞論文中設計了高阻抗表面也就是所謂

的電磁帶隙(EBG)結構能有效抑制表面波提升天線效能

在近幾年許多微波領域的研究文獻利用光子能隙(Photonic Band-Gap

PBG)的概念也就是在介電係數成週期性排列的三維介電材料中電磁波經介

電函數散射後某些波段的電磁波強度會因破壞性干涉而呈現衰減無法在系統

內傳遞而在頻譜上形成截止帶[7][8]應用這個觀念在平面式傳輸線上設計具

有週期性幾何結構的電路造成電磁波在某些頻段無法傳遞而達到濾波的效果

由於使用於微波頻段所以稱此種結構為電磁帶隙或電磁能隙(Electromagnetic

Band-Gap EBG)結構

一個 EBG 結構電路時為一個電路之接地面在沿著某方向或平面做週期性

幾何結構變化所構成的電路如圖 3-1

圖 3-1一維 EBG 結構電路圖

利用 EBG 電路的週期性幾何結構形成一個電磁波的截止帶實線一個具

有寬頻與良好效能的帶止濾波器(Bandstop Filter)本論文使用共平面緊密電磁

帶隙結構(Uniplanar Compact EBG)如圖 3-2取代傳統的完整或切割連結通道

CellCell Cell Cell Cell d d d d TL TL TL TL

24

的平面結構每個單位細胞間以細線做連結細線提供了主要的電感效應每個

單位細胞間以狹縫做為區隔細狹縫間之互容效應與單位細胞之平面電容提供

了主要電容效應利用並接的電感電容效應來達到一寬頻的截止帶

圖 3-2EBG 結構集總電路圖

為了得到我們需要的截止帶首先模擬一個理想傳輸線當對照組(圖 3-3)

使用了介電常數值為 44 的 FR4 電路板厚度為 16mm觀察其反射損耗與插入

損耗從圖 3-4 了解到傳輸線從 1GHz 到 15GHz 反射損耗皆在-20dB 以下插入

損耗-3dB 以上

圖 3-3微帶傳輸線

(a) 俯視圖

(b) 側視圖

25

圖 3-4微帶傳輸線之反射損耗與插入損耗

利用電磁帶隙週期性二維的重複結構如圖 3-5可以找到我們所需要的截止

帶從微帶線的插入損耗可以明顯得到所設計的截止帶頻段跟單位晶胞的大小

成正相關整體電路的等效電感與等效電容越大相對的頻帶也會往低頻跑

(a)正面俯視圖 (b)背面俯視圖

圖 3-5微帶線加上 EBG 結構正面與背面

26

改變單位晶胞大小與截止帶之比較分別從(圖 3-6)4mm2(圖 3-7)6mm2(圖

3-8)8mm2(圖 3-9)10mm2的晶胞大小可以控制截止帶落在哪些區域

(b)反射損耗

a b

g

gs

h

(a)單位晶胞大小

a = 4 mmb = 37 mm s = g = 03 mm h = 18 mm

a

27

圖 3-6微帶線加上 4mm2EBG 結構之晶胞大小與 S 參數比較

從圖 3-6 可以得知從 10GHz 到 12GHz 有一較深之截止帶14GHz 之後也有

截止頻帶只是實驗目標以低頻為主故只模擬到 15GHz繼續改變晶胞大小

來設計低頻截止帶

a b

g

gs

h

(a)單位晶胞大小

a = 6 mm b = 57 mm s = g = 03 mm h = 28 mm

a

(c)插入損耗

28

圖 3-7微帶線加上 6mm2EBG 結構之晶胞大小與 S 參數比較

讓 EBG 晶胞變大(6mm2)跟預期結果相符可以得到更低頻的截止帶低頻帶

從 7GHz 到 9GHz高頻帶 10GHz 之後仍然存在極深之截止帶

(b)S參數比較圖

a bg

gs

h

(a)單位晶胞大小

a = 8 mm b = 76 mm s = g = 04 mm h = 37 mm

a

29

圖 3-8微帶線加上 8mm2EBG 結構之晶胞大小與 S 參數比較

從圖 3-8 的結果得到更低頻的截止帶座落於 43GHz~58GHz 及

61GHz~7GHz 由 於 論 文 中 所 設 計 的 WiMAX 天 線 陣 列 工 作 頻 率 在

34GHz~37GHz故需再將晶胞大小改變讓系統能夠共振在更低頻處

(b)S參數比較圖

a bg

gs

h

(a)單位晶胞大小

a = 10 mm b = 93 mm s = g = 07 mm h = 42 mm

a

30

圖 3-9微帶線加上 10mm2EBG 結構之晶胞大小與 S 參數比較

將週期性電磁帶隙結構結合微帶線可以設計出需要的截止帶圖 3-9 主要

的截止帶在 325GHz~4GHz 及 465GHz~58GHz已經達到需求的頻帶範圍下

個目標將結合微帶天線做改善與比較

(b)S參數比較圖

31

32 電磁帶隙結構包圍方式之探討

321 有限接地面的探討

由於設計的微帶天線主要是在邊射(Broad-side)方向輻射所以需要選擇一個

適當的接地面大小讓輻射場型得到一個最佳值理論上來說無限大的接地面

可以得到最平滑(Smooth)的輻射場型只在單邊輻射不會受到地面干擾實際

上在有限的空間必須選擇一個適當大小的接地面以符合成本與面積要求

而有限的接地面卻容易造成邊緣效應干擾[12]表面波在接地面邊緣產生繞射場

(Diffracted fields)形成新的波源以陣列因子的觀點來看多了新的波源會造

成輻射場型加乘上的消長如圖 3-10微帶貼片天線主要是以前後兩側差半波

長之邊輻射而有限接地面則會在邊緣產生感應磁流(Induced equivalent

magnetic current)如圖 3-11從電場的指向可以推得磁流的方向對照輻射

場型容易在邊射方向造成波紋(Ripple)

圖 3-10有限接地面產生之輻射場型比較圖

L

32

圖 3-11介質中電場指向之強弱分布與感應磁流方向

由於接地面的大小在 E-plane 會產生波紋來干擾輻射場型所以論文中以

EBG 週期性結構來做為一個完美磁導體(Perfect Magnetic ConductorPMC)也

就是人工 PMC(Artificial PMC)抑制邊緣電場的垂直入射減弱感應磁流的效

應以改善天線輻射場型

322 天線周圍包覆 PMC

傳統上 EBG 以圍滿的方式來改善微帶天線之增益與輻射[13]並透過晶胞

數的不斷增加來提高增益及改善輻射場型但晶胞數的增加將提高成本加大

EBG 面積及天線整體體積高達一定數量時反而會降低天線性能對於微帶貼

片天線而言EBG 在接地面太靠近天線輻射邊反而影響其輻射機制造成頻率

飄移因此論文中將探討 EBG 的包圍方式對天線性能之影響以有最佳效果

已知高阻抗表面可以阻擋介質中表面波的傳遞因此先透過理想 PMC 來代

替所設計之高阻抗表面 EBG 結構以分析其特性找出提升天性能的最佳包圍

33

方式

首先把天線周圍包覆 PMC 如圖 3-12以逼近的方式慢慢擴大 PMC 的面積

一圈 PMC 的寬度與設計的晶胞大小邊長一樣從輻射場型來看使用到第二圈

時可以得到最佳的輻射效能如圖 3-13PMC 包圍有其最佳範圍取得有效的包

圍方式可以讓天線輻射最佳化

圖 3-12天線周圍包覆 PMC

34

圖 3-13天線周圍包覆 PMC 之輻射場型比較

參考天線 一圈 PMC 二圈 PMC 三圈 PMC

0 度增益 357dBi 432dBi 545dBi 478dBi

增益改善 075dB 188dB 121dB

表 3-1天線周圍包覆 PMC 之增益改善比較

35

323 輻射邊兩側包覆 PMC

由於微帶天線之表面波傳遞方向以 xz 切面為主如圖 3-14因此在微帶天線

輻射邊的兩側擺放 EBG 結構以抑制其傳遞有效改善天線輻射場型首先使

用理想的 PMC 在天線輻射邊兩側包覆如圖 3-15對於 PMC 覆蓋面積的大小作一

探討變化 PMC 之覆蓋面積了解其對天線輻射場型的影響在邊射(broadside)

方向的輻射場型可以有效改善波紋讓旁波瓣(sidelobe)大幅度降低如圖 3-16

所示以兩列 PMC 可以達到較佳效果再增加一列 PMC 雖些許增加增益不

過 PMC 覆蓋的面積已達飽和因此從上述可知在結合 EBG 和微帶天線時

將有一最佳之覆蓋面積使用最適當之晶胞數來達到最佳的增益改善

圖 3-14表面波在介質空間中分布

36

圖 3-15輻射邊兩側包覆 PMC

圖 3-16輻射邊兩側包覆 PMC 之輻射場型比較

37

參考天線 一列 PMC 二列 PMC 三列 PMC

0 度增益 357dBi 528dBi 642dBi 644dBi

增益改善 171dB 285dB 287dB

表 3-2輻射邊兩側包覆 PMC 之增益改善比較

33 電磁帶隙結構結合單一微帶天線

以下將結合所設計之 EBG 結構和微帶天線以改善微帶天線之輻射場型干

擾從前述的探討先以圍繞式包圍天線做輻射場型比較如圖 3-17 所示

圖 3-17天線周圍包覆 EBG 之輻射場型比較

38

0 度增益

Ref patch antenna 357dBi

圍繞 EBG 572dBi

ΔGain 215dB

表 3-3天線周圍包覆 EBG 之增益改善比較

由於表面波之傳遞主要為 X 軸方向因此以 EBG 之較寬頻的維度來抑制 X

方向的表面波其結合方式如下以兩列 EBG 結構與天線結合比較如圖 3-18

圖 3-18輻射邊兩側包覆 EBG 之輻射場型比較

39

0 度增益

Ref patch antenna 357dBi

輻射邊包覆 EBG 577dBi

ΔGain 22dB

表 3-4輻射邊兩側包覆 EBG 之增益改善比較

兩種包覆 EBG 的情形做比較使用輻射邊兩側包覆 EBG 對表面波抑制可以

達到最直接的效果再對接地面做變化令輻射邊到接地面邊緣距離等於 15 倍

空氣中波長邊緣的等效感應磁流干擾最大在垂射(broadside)方向造成 30 度到

60 度的旁波瓣將晶胞數加到三列使得輻射場型能有最佳效果如圖 3-19 所示

圖 3-19較大接地面應用更多晶胞數改善輻射場型圖

40

34 電磁帶隙結構結合微帶天線陣列

第二章敘述之高增益天線陣列由於在 E-plane 產生較大之旁波瓣因此論

文將結合 EBG 結構與天線陣列改善輻射場型以符合 ETSI-TS2 規範要求

對原本的天線陣列與改善後的天線陣列作一比較如圖 3-20 為天線結構示意圖

俯視圖 yz 切面為表面波影響較大的面因此我們在 E-plane 兩側包覆 EBG使

用三列的 EBG 週期結構另外圖 3-21 為(a)34GHz(b)355GHz(c)37GHz

輻射場型在 E-plane 的改善比較可以發現在(a)跟(b)改善的效果特別明顯旁波

瓣減弱許多而(c)原本旁波瓣就不大所以改善較不明顯再跟 ETSI-mask 做

比較如圖 3-22改善後的天線陣列距離輻射場型標準線有較大之安全距離對實

作上的誤差影響會比較小以下針對輻射場型做一比較

圖 3-20原始天線陣列與應用 EBG 之天線陣列

41

(a)34GHz E-plane 輻射場型比較

(b)355GHz E-plane 輻射場型比較

(c)37GHz E-plane 輻射場型比較

圖 3-21原始天線陣列與應用 EBG 之天線陣列輻射場型比較

(a)34GHz (b)355GHz (c)37GHz

42

(a)34GHz E-plane

(b)355GHz E-plane

(a)37GHz E-plane

圖 3-22原始天線陣列與應用 EBG 之天線陣列與 ETSI-mask 比較

(a)34GHz (b)355GHz (c)37GHz

43

35 模擬與量測結果比較

由上述模擬的結果進行實作及量測的工作如圖 3-23 為微帶天線結合 EBG

結構的架構表 3-5 列出了板材的規格使用的基板是 FR4 玻璃纖維基板並架高

空氣高度為 5mm

Dielectric constant(topbottom) 44 44

Substrate thickness(topbottom) 08mm 16mm

Loss tangent 002

Air gap 5mm

Upper substrate size 250mm x 200mm

Ground size 300mm x 250mm

表 3-5天線陣列設計參數

圖 3-23應用 EBG 之天線陣列結構圖

44

圖 3-24 為天線陣列在 34GHz355GHz37GHz 的輻射場型從圖中可以

觀察模擬與量測場型蠻相近的

(a)34GHz

(b)355GHz

45

(c)37GHz

圖 3-24天線陣列輻射場型模擬與量測比較

對於其輻射場型的分布需求要符合 ETSI-TS2 的規範以下針對輻射場型與

ETSI-mask 做一比較如圖 3-25 所示從圖中發現實作及量測輻射場型全部

工作頻段都能滿足 mask 要求完成一組高增益天線陣列

(a)34GHz

46

(b)355GHz

(c)37GHz

圖 3-25天線陣列輻射場型與 ETSI-mask 比較

圖 3-26 為天線陣列模擬與量測的反射損耗其工作頻率與設計之天線相去

不遠均包含 34GHz~37GHz頻寬設計較大的原因在於避免外在因素造成的頻

飄量測出來可達 33GHz~39GHz略往高頻飄不過與設計的反射損耗相當接

近圖 3-27 為實際量測的增益對頻率的變化圖其增益的全頻段都能大於

14dBiE-plane 與 H-plane 也較為接近整理數據如表 3-6

47

圖 3-26天線陣列反射損耗模擬與量測比較

圖 3-27天線陣列增益對頻率圖

48

頻率(GHz) 33 34 35 36 37 38

E-plane 增益

(dBi) 1485 1591 1620 1687 1627 1507

H-plane 增益

(dBi) 1421 1565 1598 1629 1607 1518

表 3-6天線陣列增益對頻率表

49

圖 3-28 為實體圖俯視圖側視圖與 EBG 實際大小比較

(a) 俯視圖

(b) 側視圖(空氣高度=05mm)

(c)EBG 實體結構

圖 3-28天線陣列實體圖

50

第四章 結論

(Conclusion)

本論文主要是研究適用於基地台的 WiMAX 頻段高增益天線陣列並控制其

頻寬增益及輻射場型能夠符合 ETSI(European Telecommunication Standards

Institute)的規範在論文第二章中提出的高增益天線陣列是利用一個能量分歧

器把能量等效分成三份的饋入網路接上三組一樣的三元素陣列矩形微帶天線所

組成的天線陣列最高增益可達到 17dBi工作頻率的增益都能超過要求的

14dBi輻射場型符合 ETSI-TS2 規範另外本論文所提出的天線陣列為印刷式

天線不但具有輕量化的特性且大幅降低製作上的困難度也減輕了成本的負擔

透過本論文所設計之 EBG 可有效降低傳統 EBG 結構的製程僅以 FR4 板

材即可自行實作比較無須鉚釘並提出有效提升微帶天線增益的包圍方式在

有限的接地面下可選擇適當的晶胞數來改善天線陣列的輻射場型抑制表面波

對天線的干擾讓邊際效應產生的感應磁流干擾降到最低最後在實作及量測部

分驗證我們模擬的結果

51

參考文獻

[1] W L Stutzman and G A Thiele Antenna Theory and Design 2nd ed New York

Wiley 1998

[2] A Balanis Antenna Theory Analysis and Design New York Wiley 1997

[3] R Gardelli G La Cono and M Albani ldquoA low-cost suspended patch antenna for

WLAN access points and point-to-point linksrdquo IEEE Antennas and Propagat vol

3 no 1 pp 90-93 2004

[4] H F Pues and A R Van de capelle ldquoAn impedance-matching technique for

increasing the bandwidth of microstrip antennasrdquo IEEE Trans on Antennas and

Propagat vol 37 no 11 pp 1345-1354 Nov 1989

[5] Q Song and XndashX Zhang ldquoA study on wideband gap-coupled microstrip antenna

arraysrdquo IEEE Trans On Antennas and Propagat vol 43 no 3 pp 313-317 Mar

1995

[6] D Sievenpiper L Z Romulo F J Broas N G Alexopolous and E Yablonovitch

ldquoHigh-impedance electromagnetic surfaces with a forbidden frequency bandrdquo

IEEE Trans Microwave Theory Tech vol 47 no 11 pp 311-335 Nov 1999

[7] F-R Yang K-P Ma Y Qian and T Itoh ldquo A Uniplanar Compact

Photonic-Bandgap (UC-PBG) Structure and Its Applications for Microwave

Circuitsrdquo IEEE Trans MTT vol 47 Aug 1999

[8] M F Abedin M Z Azad and M Ali ldquo wideband smaller unit-cell planar EBG

structures and their applicationrdquo IEEE Trans On Antenna and Propagat vol 56

no 3 pp 903-908 Mar 2008

[9] I J Bahl and P Bhartia Microstrip Antennas Artech House 1980

[10] JR James and P S Hall Handbook of Microstrip Antennas LondonPeter

Peregrinus Ltd 1989

52

[11] K C Gupta R Garg I J Bahl P Bhartia Microstrip Lines and Slotlines 2nd ed

Norwood MAArtech House 1996

[12] T Namiki Y Murayama and K Ito ldquo Improving radiation-pattern distortion of a

patch antenna having a finite ground planerdquo IEEE Trans On Antenna and

Propagat vol 51 no 3 pp 478-482 Mar 2003

[13] R Coccioli F-R Yang K-P Ma and T Itoh ldquo Aperture-coupled patch antenna

on UC-PBG substraterdquo IEEE Trans Microwave Theory Tech vol 47 no 11 pp

2123-2130 Nov 1999

[14] F Yang and Y Rahmat-samii ldquo Microstrip antenna integrated with

electromagnetic band-gap (EBG) structure a low mutual coupling design for array

applicationrdquo IEEE Trans On Antenna and Propagat vol 51 no 10 pp

2936-2946 Oct2003

[15] Z Iluz R Shavit and R Bauer ldquo Microstrip antenna phased array with

electromagnetic bandgap substraterdquo IEEE Trans On Antenna and Propagat vol

52 no 6 pp 1446-1453 June 2004

  • 封面pdf
  • 摘要與目錄pdf
  • 論文_終稿_pdf
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50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP 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 FRA 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 ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP 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FRA 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9

22 天線結構

221 單一微帶貼片天線設計

由於微帶貼片天線是一共振型天線傳統上其頻寬較窄所以我們可以藉由

改變天線的形狀增加天線的共振路徑或者改變天線的結構以提高頻寬及增

設計微帶貼片天線時基板(substrate)影響天線效能較大的有三個參數介

質損耗(正比於 tanδ )介電常數( rε )以及厚度( h )其中介質損耗越小越好如

此可以提高天線效率及增益但相對的成本也較高而介電常數也是越小越好

如此可以增加頻寬提高天線的指向性及增益相對的天線的尺寸也越大厚度

則是越大越好如此可以提高天線效率及增益有效增加頻寬但厚度太大則容

易產生表面波使得部分能量被束缚在基板中無法輻射出去

基於上述基板對天線效能的影響以及本論文對頻寬及增益的要求我們採

用 FR4( 44rε = )玻璃纖維基板並且採用厚空氣介質如此可以有效降低等效介

電常數值及提高厚度藉以達到寬頻及高增益的特性如圖 2-6 所示

圖 2-6懸浮微帶線結構(Suspended microstrip line configuration)

10

如圖 2-6 加上 air gap 高度之後其等效介電常數會有所改變其可由式(2-10)

得到一近似值[10]

( )( )

rreff

r

h H hh H hε

εε+ minus⎡ ⎤⎣ ⎦=

+ minus (2-10)

另外懸浮微帶線的特性阻抗(假設 t=0)則由式(2-11)得到較精確的值以便設計

饋入網路[11]

2

0 10

2ln 12 re

FZu u

ηπ ε

⎡ ⎤⎛ ⎞⎢ ⎥= + + ⎜ ⎟⎢ ⎥⎝ ⎠⎣ ⎦ (2-11)

其中

( ) ( )07528306661 6 2 6 uF eπ minus= + minus (2-11a)

( )0 120η π= Ω Wuh

= (2-11b)

1

11 ln 1rer

h Wa bH h H h

εε

minus⎡ ⎤⎛ ⎞⎛ ⎞= + minus minus⎢ ⎥⎜ ⎟⎜ ⎟⎜ ⎟minus minus⎝ ⎠⎢ ⎥⎝ ⎠⎣ ⎦

(2-12)

其中

4

08621 0125ln haH h

⎡ ⎤⎛ ⎞= minus ⎜ ⎟⎢ ⎥minus⎝ ⎠⎣ ⎦ (2-12a)

4

04986 01397 ln hbH h

⎡ ⎤⎛ ⎞= minus ⎜ ⎟⎢ ⎥minus⎝ ⎠⎣ ⎦ (2-12b)

11

利用前面提到的矩形微帶天線基本理論將天線的寬度及長度求出把饋入網

路與天線元素在同一平面做一結合設計參數如表 2-1

Dielectric constant 44

Substrate thickness 08mm

Loss tangent 002

Air gap 5mm

Single patch size 416mm(W) x 335mm(L)

Feeding line width 0901mm

Feeding line length 1996mm

表 2-1矩形微帶天線設計參數

利用式(2-4)(2-5)及(2-6)求出天線邊緣的輸入阻抗再設計一四分之一波長

傳輸線饋入並以特性阻抗 Z0 的輸入埠進行模擬如圖 2-7 所示

圖 2-7矩形微帶貼片天線示意圖

Ground plane

65mm Patch antenna

W

L

Zt=9904Ω

Z0=50Ω

80mm

12

當天線共振時天線邊緣的輸入阻抗 inZ 可藉由 20in tZ Z Z= 計算得知接著

觀察中心頻率為 355GHz 的矩形微帶貼片天線其反射損耗與輻射場型圖 2-8

為反射損耗圖圖 2-9 為中心頻率 355GHz 模擬的輻射場型

圖 2-8矩形微帶貼片天線反射損耗

圖 2-9矩形微帶貼片天線在中心頻率 355GHz 模擬的輻射場型

Return Loss

13

222 高增益天線陣列設計

首先以微帶線並聯的饋入結構設計能量一分三的網路再利用傳輸線作阻

抗的匹配[13]最後再以其寬頻的特性饋入到天線陣列圖 2-10 為饋入網路示意

圖圖 2-11 及圖 2-12 分別為饋入網路之反射損耗(Return Loss)插入損耗

(Insertion Loss)以及各輸出埠相位圖

圖 2-10饋入網路示意圖

圖 2-11天線陣列饋入網路之反射損耗及插入損耗模擬圖

14

圖 2-12天線陣列饋入網路各輸出埠相位差

從圖 2-11 可以發現各輸出埠的能量在不同頻率的變化實線為埠一(port1)

的反射損耗其餘為埠二三及四的插入損耗在工作頻率的範圍輸出埠的能

量差值在 2dB 以內而每個輸出埠在工作頻率的相位差為 20deg以內

接著我們利用圖 2-10 的分歧器輸出埠接上天線三元天線陣列如圖 2-13

觀察其反射損耗(圖 2-14)與輻射場型(圖 2-15)

圖 2-13三元天線陣列

15

圖 2-14三元天線陣列反射損耗

圖 2-15三元天線陣列在中心頻率 355GHz 模擬的輻射場型

由圖 2-14圖 2-15 了解到反射損耗在工作頻段(34GHz~37GHz)滿足要求

觀察輻射場型發現增益已可達到 12dBi此時再利用一組能量一分三的分歧器

設計總天線陣列預計為三乘以三共九個元素的天線陣列設計參數如表 2-2

16

Dielectric constant(topbottom) 44 44

Substrate thickness(topbottom) 08mm 16mm

Loss tangent 002

Air gap 5mm

Upper substrate size 250mm x 200mm

Ground size 300mm x 250mm

表 2-2天線陣列設計參數

圖 2-16 為天線陣列結構圖由於饋入網路阻抗匹配與相位差對天線陣列影

響非常大所以設計其信號饋入端為 50Ω以符合實際上使用的 SMA 接頭使

饋入網路匹配

圖 2-16天線陣列結構俯視圖

17

圖 2-17 為天線陣列在(a)34GHz(b)355GHz(c)37GHz 的輻射場型從圖

中可看出模擬與量測的輻射場型相當接近增益也能達到要求

(a)34GHz

(b)355GHz

18

(c)37GHz

圖 2-17天線陣列輻射場型

天線結構確定之後對於其輻射場型的分布需求要符合 ETSI-TS2 的規範

表 2-3 為 ETSI-TS2 對輻射場型分布的要求以下針對輻射場型與 ETSI-mask 做

一比較如圖 2-18 所示從圖中發現除了 34GHz 些微超出標準之外其餘頻

段都能滿足輻射場型要求之後會將改善的部份再做比較

表 2-3ETSI-TS2 對輻射場型分布之要求

19

(a)34GHz

(b)355GHz

(c)37GHz

圖 2-18天線陣列輻射場型與 ETSI-mask 之比較

20

圖 2-19 為天線陣列模擬與量測的反射損耗其工作頻率與設計之天線相去

不遠均包含 34GHz~37GHz圖 2-20 為實際量測的增益對頻率的變化圖其

增益的全頻段都能大於 14dBi其中某些頻率點可看出 E-plane 與 H-plane 所量

測到的最大增益值並不相同這主要的原因在於由饋入網路輸出端在在不同頻率

會有些微的相位差所致使得天線的最大增益值會些微偏移一個角度不過基

本上的趨勢還是相近

圖 2-19天線陣列模擬與量測之反射損耗

21

圖 2-20天線陣列增益對頻率圖

頻率(GHz) 33 34 35 36 37 38

E-plane 增益

(dBi) 1457 1619 1702 1634 1568 1429

H-plane 增益

(dB) 1421 1582 1624 1607 1581 1434

表 2-4天線陣列增益對頻率表

22

(a)俯視圖

(b)側視圖

圖 2-21天線陣列實體圖(a)俯視圖(b)側視圖

23

第三章 電磁帶隙結構與應用

(Electromagnetic Band-Gap Structure and Its Applications )

31 單位晶胞設計與截止帶比較

在天線中通常在較高之基板厚度及較大之介電常數時容易產生表面波

干擾天線輻射為了阻止表面波的傳遞論文中設計了高阻抗表面也就是所謂

的電磁帶隙(EBG)結構能有效抑制表面波提升天線效能

在近幾年許多微波領域的研究文獻利用光子能隙(Photonic Band-Gap

PBG)的概念也就是在介電係數成週期性排列的三維介電材料中電磁波經介

電函數散射後某些波段的電磁波強度會因破壞性干涉而呈現衰減無法在系統

內傳遞而在頻譜上形成截止帶[7][8]應用這個觀念在平面式傳輸線上設計具

有週期性幾何結構的電路造成電磁波在某些頻段無法傳遞而達到濾波的效果

由於使用於微波頻段所以稱此種結構為電磁帶隙或電磁能隙(Electromagnetic

Band-Gap EBG)結構

一個 EBG 結構電路時為一個電路之接地面在沿著某方向或平面做週期性

幾何結構變化所構成的電路如圖 3-1

圖 3-1一維 EBG 結構電路圖

利用 EBG 電路的週期性幾何結構形成一個電磁波的截止帶實線一個具

有寬頻與良好效能的帶止濾波器(Bandstop Filter)本論文使用共平面緊密電磁

帶隙結構(Uniplanar Compact EBG)如圖 3-2取代傳統的完整或切割連結通道

CellCell Cell Cell Cell d d d d TL TL TL TL

24

的平面結構每個單位細胞間以細線做連結細線提供了主要的電感效應每個

單位細胞間以狹縫做為區隔細狹縫間之互容效應與單位細胞之平面電容提供

了主要電容效應利用並接的電感電容效應來達到一寬頻的截止帶

圖 3-2EBG 結構集總電路圖

為了得到我們需要的截止帶首先模擬一個理想傳輸線當對照組(圖 3-3)

使用了介電常數值為 44 的 FR4 電路板厚度為 16mm觀察其反射損耗與插入

損耗從圖 3-4 了解到傳輸線從 1GHz 到 15GHz 反射損耗皆在-20dB 以下插入

損耗-3dB 以上

圖 3-3微帶傳輸線

(a) 俯視圖

(b) 側視圖

25

圖 3-4微帶傳輸線之反射損耗與插入損耗

利用電磁帶隙週期性二維的重複結構如圖 3-5可以找到我們所需要的截止

帶從微帶線的插入損耗可以明顯得到所設計的截止帶頻段跟單位晶胞的大小

成正相關整體電路的等效電感與等效電容越大相對的頻帶也會往低頻跑

(a)正面俯視圖 (b)背面俯視圖

圖 3-5微帶線加上 EBG 結構正面與背面

26

改變單位晶胞大小與截止帶之比較分別從(圖 3-6)4mm2(圖 3-7)6mm2(圖

3-8)8mm2(圖 3-9)10mm2的晶胞大小可以控制截止帶落在哪些區域

(b)反射損耗

a b

g

gs

h

(a)單位晶胞大小

a = 4 mmb = 37 mm s = g = 03 mm h = 18 mm

a

27

圖 3-6微帶線加上 4mm2EBG 結構之晶胞大小與 S 參數比較

從圖 3-6 可以得知從 10GHz 到 12GHz 有一較深之截止帶14GHz 之後也有

截止頻帶只是實驗目標以低頻為主故只模擬到 15GHz繼續改變晶胞大小

來設計低頻截止帶

a b

g

gs

h

(a)單位晶胞大小

a = 6 mm b = 57 mm s = g = 03 mm h = 28 mm

a

(c)插入損耗

28

圖 3-7微帶線加上 6mm2EBG 結構之晶胞大小與 S 參數比較

讓 EBG 晶胞變大(6mm2)跟預期結果相符可以得到更低頻的截止帶低頻帶

從 7GHz 到 9GHz高頻帶 10GHz 之後仍然存在極深之截止帶

(b)S參數比較圖

a bg

gs

h

(a)單位晶胞大小

a = 8 mm b = 76 mm s = g = 04 mm h = 37 mm

a

29

圖 3-8微帶線加上 8mm2EBG 結構之晶胞大小與 S 參數比較

從圖 3-8 的結果得到更低頻的截止帶座落於 43GHz~58GHz 及

61GHz~7GHz 由 於 論 文 中 所 設 計 的 WiMAX 天 線 陣 列 工 作 頻 率 在

34GHz~37GHz故需再將晶胞大小改變讓系統能夠共振在更低頻處

(b)S參數比較圖

a bg

gs

h

(a)單位晶胞大小

a = 10 mm b = 93 mm s = g = 07 mm h = 42 mm

a

30

圖 3-9微帶線加上 10mm2EBG 結構之晶胞大小與 S 參數比較

將週期性電磁帶隙結構結合微帶線可以設計出需要的截止帶圖 3-9 主要

的截止帶在 325GHz~4GHz 及 465GHz~58GHz已經達到需求的頻帶範圍下

個目標將結合微帶天線做改善與比較

(b)S參數比較圖

31

32 電磁帶隙結構包圍方式之探討

321 有限接地面的探討

由於設計的微帶天線主要是在邊射(Broad-side)方向輻射所以需要選擇一個

適當的接地面大小讓輻射場型得到一個最佳值理論上來說無限大的接地面

可以得到最平滑(Smooth)的輻射場型只在單邊輻射不會受到地面干擾實際

上在有限的空間必須選擇一個適當大小的接地面以符合成本與面積要求

而有限的接地面卻容易造成邊緣效應干擾[12]表面波在接地面邊緣產生繞射場

(Diffracted fields)形成新的波源以陣列因子的觀點來看多了新的波源會造

成輻射場型加乘上的消長如圖 3-10微帶貼片天線主要是以前後兩側差半波

長之邊輻射而有限接地面則會在邊緣產生感應磁流(Induced equivalent

magnetic current)如圖 3-11從電場的指向可以推得磁流的方向對照輻射

場型容易在邊射方向造成波紋(Ripple)

圖 3-10有限接地面產生之輻射場型比較圖

L

32

圖 3-11介質中電場指向之強弱分布與感應磁流方向

由於接地面的大小在 E-plane 會產生波紋來干擾輻射場型所以論文中以

EBG 週期性結構來做為一個完美磁導體(Perfect Magnetic ConductorPMC)也

就是人工 PMC(Artificial PMC)抑制邊緣電場的垂直入射減弱感應磁流的效

應以改善天線輻射場型

322 天線周圍包覆 PMC

傳統上 EBG 以圍滿的方式來改善微帶天線之增益與輻射[13]並透過晶胞

數的不斷增加來提高增益及改善輻射場型但晶胞數的增加將提高成本加大

EBG 面積及天線整體體積高達一定數量時反而會降低天線性能對於微帶貼

片天線而言EBG 在接地面太靠近天線輻射邊反而影響其輻射機制造成頻率

飄移因此論文中將探討 EBG 的包圍方式對天線性能之影響以有最佳效果

已知高阻抗表面可以阻擋介質中表面波的傳遞因此先透過理想 PMC 來代

替所設計之高阻抗表面 EBG 結構以分析其特性找出提升天性能的最佳包圍

33

方式

首先把天線周圍包覆 PMC 如圖 3-12以逼近的方式慢慢擴大 PMC 的面積

一圈 PMC 的寬度與設計的晶胞大小邊長一樣從輻射場型來看使用到第二圈

時可以得到最佳的輻射效能如圖 3-13PMC 包圍有其最佳範圍取得有效的包

圍方式可以讓天線輻射最佳化

圖 3-12天線周圍包覆 PMC

34

圖 3-13天線周圍包覆 PMC 之輻射場型比較

參考天線 一圈 PMC 二圈 PMC 三圈 PMC

0 度增益 357dBi 432dBi 545dBi 478dBi

增益改善 075dB 188dB 121dB

表 3-1天線周圍包覆 PMC 之增益改善比較

35

323 輻射邊兩側包覆 PMC

由於微帶天線之表面波傳遞方向以 xz 切面為主如圖 3-14因此在微帶天線

輻射邊的兩側擺放 EBG 結構以抑制其傳遞有效改善天線輻射場型首先使

用理想的 PMC 在天線輻射邊兩側包覆如圖 3-15對於 PMC 覆蓋面積的大小作一

探討變化 PMC 之覆蓋面積了解其對天線輻射場型的影響在邊射(broadside)

方向的輻射場型可以有效改善波紋讓旁波瓣(sidelobe)大幅度降低如圖 3-16

所示以兩列 PMC 可以達到較佳效果再增加一列 PMC 雖些許增加增益不

過 PMC 覆蓋的面積已達飽和因此從上述可知在結合 EBG 和微帶天線時

將有一最佳之覆蓋面積使用最適當之晶胞數來達到最佳的增益改善

圖 3-14表面波在介質空間中分布

36

圖 3-15輻射邊兩側包覆 PMC

圖 3-16輻射邊兩側包覆 PMC 之輻射場型比較

37

參考天線 一列 PMC 二列 PMC 三列 PMC

0 度增益 357dBi 528dBi 642dBi 644dBi

增益改善 171dB 285dB 287dB

表 3-2輻射邊兩側包覆 PMC 之增益改善比較

33 電磁帶隙結構結合單一微帶天線

以下將結合所設計之 EBG 結構和微帶天線以改善微帶天線之輻射場型干

擾從前述的探討先以圍繞式包圍天線做輻射場型比較如圖 3-17 所示

圖 3-17天線周圍包覆 EBG 之輻射場型比較

38

0 度增益

Ref patch antenna 357dBi

圍繞 EBG 572dBi

ΔGain 215dB

表 3-3天線周圍包覆 EBG 之增益改善比較

由於表面波之傳遞主要為 X 軸方向因此以 EBG 之較寬頻的維度來抑制 X

方向的表面波其結合方式如下以兩列 EBG 結構與天線結合比較如圖 3-18

圖 3-18輻射邊兩側包覆 EBG 之輻射場型比較

39

0 度增益

Ref patch antenna 357dBi

輻射邊包覆 EBG 577dBi

ΔGain 22dB

表 3-4輻射邊兩側包覆 EBG 之增益改善比較

兩種包覆 EBG 的情形做比較使用輻射邊兩側包覆 EBG 對表面波抑制可以

達到最直接的效果再對接地面做變化令輻射邊到接地面邊緣距離等於 15 倍

空氣中波長邊緣的等效感應磁流干擾最大在垂射(broadside)方向造成 30 度到

60 度的旁波瓣將晶胞數加到三列使得輻射場型能有最佳效果如圖 3-19 所示

圖 3-19較大接地面應用更多晶胞數改善輻射場型圖

40

34 電磁帶隙結構結合微帶天線陣列

第二章敘述之高增益天線陣列由於在 E-plane 產生較大之旁波瓣因此論

文將結合 EBG 結構與天線陣列改善輻射場型以符合 ETSI-TS2 規範要求

對原本的天線陣列與改善後的天線陣列作一比較如圖 3-20 為天線結構示意圖

俯視圖 yz 切面為表面波影響較大的面因此我們在 E-plane 兩側包覆 EBG使

用三列的 EBG 週期結構另外圖 3-21 為(a)34GHz(b)355GHz(c)37GHz

輻射場型在 E-plane 的改善比較可以發現在(a)跟(b)改善的效果特別明顯旁波

瓣減弱許多而(c)原本旁波瓣就不大所以改善較不明顯再跟 ETSI-mask 做

比較如圖 3-22改善後的天線陣列距離輻射場型標準線有較大之安全距離對實

作上的誤差影響會比較小以下針對輻射場型做一比較

圖 3-20原始天線陣列與應用 EBG 之天線陣列

41

(a)34GHz E-plane 輻射場型比較

(b)355GHz E-plane 輻射場型比較

(c)37GHz E-plane 輻射場型比較

圖 3-21原始天線陣列與應用 EBG 之天線陣列輻射場型比較

(a)34GHz (b)355GHz (c)37GHz

42

(a)34GHz E-plane

(b)355GHz E-plane

(a)37GHz E-plane

圖 3-22原始天線陣列與應用 EBG 之天線陣列與 ETSI-mask 比較

(a)34GHz (b)355GHz (c)37GHz

43

35 模擬與量測結果比較

由上述模擬的結果進行實作及量測的工作如圖 3-23 為微帶天線結合 EBG

結構的架構表 3-5 列出了板材的規格使用的基板是 FR4 玻璃纖維基板並架高

空氣高度為 5mm

Dielectric constant(topbottom) 44 44

Substrate thickness(topbottom) 08mm 16mm

Loss tangent 002

Air gap 5mm

Upper substrate size 250mm x 200mm

Ground size 300mm x 250mm

表 3-5天線陣列設計參數

圖 3-23應用 EBG 之天線陣列結構圖

44

圖 3-24 為天線陣列在 34GHz355GHz37GHz 的輻射場型從圖中可以

觀察模擬與量測場型蠻相近的

(a)34GHz

(b)355GHz

45

(c)37GHz

圖 3-24天線陣列輻射場型模擬與量測比較

對於其輻射場型的分布需求要符合 ETSI-TS2 的規範以下針對輻射場型與

ETSI-mask 做一比較如圖 3-25 所示從圖中發現實作及量測輻射場型全部

工作頻段都能滿足 mask 要求完成一組高增益天線陣列

(a)34GHz

46

(b)355GHz

(c)37GHz

圖 3-25天線陣列輻射場型與 ETSI-mask 比較

圖 3-26 為天線陣列模擬與量測的反射損耗其工作頻率與設計之天線相去

不遠均包含 34GHz~37GHz頻寬設計較大的原因在於避免外在因素造成的頻

飄量測出來可達 33GHz~39GHz略往高頻飄不過與設計的反射損耗相當接

近圖 3-27 為實際量測的增益對頻率的變化圖其增益的全頻段都能大於

14dBiE-plane 與 H-plane 也較為接近整理數據如表 3-6

47

圖 3-26天線陣列反射損耗模擬與量測比較

圖 3-27天線陣列增益對頻率圖

48

頻率(GHz) 33 34 35 36 37 38

E-plane 增益

(dBi) 1485 1591 1620 1687 1627 1507

H-plane 增益

(dBi) 1421 1565 1598 1629 1607 1518

表 3-6天線陣列增益對頻率表

49

圖 3-28 為實體圖俯視圖側視圖與 EBG 實際大小比較

(a) 俯視圖

(b) 側視圖(空氣高度=05mm)

(c)EBG 實體結構

圖 3-28天線陣列實體圖

50

第四章 結論

(Conclusion)

本論文主要是研究適用於基地台的 WiMAX 頻段高增益天線陣列並控制其

頻寬增益及輻射場型能夠符合 ETSI(European Telecommunication Standards

Institute)的規範在論文第二章中提出的高增益天線陣列是利用一個能量分歧

器把能量等效分成三份的饋入網路接上三組一樣的三元素陣列矩形微帶天線所

組成的天線陣列最高增益可達到 17dBi工作頻率的增益都能超過要求的

14dBi輻射場型符合 ETSI-TS2 規範另外本論文所提出的天線陣列為印刷式

天線不但具有輕量化的特性且大幅降低製作上的困難度也減輕了成本的負擔

透過本論文所設計之 EBG 可有效降低傳統 EBG 結構的製程僅以 FR4 板

材即可自行實作比較無須鉚釘並提出有效提升微帶天線增益的包圍方式在

有限的接地面下可選擇適當的晶胞數來改善天線陣列的輻射場型抑制表面波

對天線的干擾讓邊際效應產生的感應磁流干擾降到最低最後在實作及量測部

分驗證我們模擬的結果

51

參考文獻

[1] W L Stutzman and G A Thiele Antenna Theory and Design 2nd ed New York

Wiley 1998

[2] A Balanis Antenna Theory Analysis and Design New York Wiley 1997

[3] R Gardelli G La Cono and M Albani ldquoA low-cost suspended patch antenna for

WLAN access points and point-to-point linksrdquo IEEE Antennas and Propagat vol

3 no 1 pp 90-93 2004

[4] H F Pues and A R Van de capelle ldquoAn impedance-matching technique for

increasing the bandwidth of microstrip antennasrdquo IEEE Trans on Antennas and

Propagat vol 37 no 11 pp 1345-1354 Nov 1989

[5] Q Song and XndashX Zhang ldquoA study on wideband gap-coupled microstrip antenna

arraysrdquo IEEE Trans On Antennas and Propagat vol 43 no 3 pp 313-317 Mar

1995

[6] D Sievenpiper L Z Romulo F J Broas N G Alexopolous and E Yablonovitch

ldquoHigh-impedance electromagnetic surfaces with a forbidden frequency bandrdquo

IEEE Trans Microwave Theory Tech vol 47 no 11 pp 311-335 Nov 1999

[7] F-R Yang K-P Ma Y Qian and T Itoh ldquo A Uniplanar Compact

Photonic-Bandgap (UC-PBG) Structure and Its Applications for Microwave

Circuitsrdquo IEEE Trans MTT vol 47 Aug 1999

[8] M F Abedin M Z Azad and M Ali ldquo wideband smaller unit-cell planar EBG

structures and their applicationrdquo IEEE Trans On Antenna and Propagat vol 56

no 3 pp 903-908 Mar 2008

[9] I J Bahl and P Bhartia Microstrip Antennas Artech House 1980

[10] JR James and P S Hall Handbook of Microstrip Antennas LondonPeter

Peregrinus Ltd 1989

52

[11] K C Gupta R Garg I J Bahl P Bhartia Microstrip Lines and Slotlines 2nd ed

Norwood MAArtech House 1996

[12] T Namiki Y Murayama and K Ito ldquo Improving radiation-pattern distortion of a

patch antenna having a finite ground planerdquo IEEE Trans On Antenna and

Propagat vol 51 no 3 pp 478-482 Mar 2003

[13] R Coccioli F-R Yang K-P Ma and T Itoh ldquo Aperture-coupled patch antenna

on UC-PBG substraterdquo IEEE Trans Microwave Theory Tech vol 47 no 11 pp

2123-2130 Nov 1999

[14] F Yang and Y Rahmat-samii ldquo Microstrip antenna integrated with

electromagnetic band-gap (EBG) structure a low mutual coupling design for array

applicationrdquo IEEE Trans On Antenna and Propagat vol 51 no 10 pp

2936-2946 Oct2003

[15] Z Iluz R Shavit and R Bauer ldquo Microstrip antenna phased array with

electromagnetic bandgap substraterdquo IEEE Trans On Antenna and Propagat vol

52 no 6 pp 1446-1453 June 2004

  • 封面pdf
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ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP 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 FRA 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 ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR ltFEFF004200720075006b00200064006900730073006500200069006e006e007300740069006c006c0069006e00670065006e0065002000740069006c002000e50020006f0070007000720065007400740065002000410064006f006200650020005000440046002d0064006f006b0075006d0065006e00740065007200200066006f00720020007500740073006b00720069006600740020006100760020006800f800790020006b00760061006c00690074006500740020007000e500200062006f007200640073006b0072006900760065007200200065006c006c00650072002000700072006f006f006600650072002e0020005000440046002d0064006f006b0075006d0065006e00740065006e00650020006b0061006e002000e50070006e00650073002000690020004100630072006f00620061007400200065006c006c00650072002000410064006f00620065002000520065006100640065007200200035002e003000200065006c006c00650072002000730065006e006500720065002egt PTB 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 SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP 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 FRA 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 ITA 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 JPN ltFEFF9ad854c18cea51fa529b7528002000410064006f0062006500200050004400460020658766f8306e4f5c6210306b4f7f75283057307e30593002537052376642306e753b8cea3092670059279650306b4fdd306430533068304c3067304d307e3059300230c730b930af30c830c330d730d730ea30f330bf3067306e53705237307e305f306f30d730eb30fc30d57528306b9069305730663044307e305930023053306e8a2d5b9a30674f5c62103055308c305f0020005000440046002030d530a130a430eb306f3001004100630072006f0062006100740020304a30883073002000410064006f00620065002000520065006100640065007200200035002e003000204ee5964d3067958b304f30533068304c3067304d307e30593002gt KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP 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 FRA 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 ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 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10

如圖 2-6 加上 air gap 高度之後其等效介電常數會有所改變其可由式(2-10)

得到一近似值[10]

( )( )

rreff

r

h H hh H hε

εε+ minus⎡ ⎤⎣ ⎦=

+ minus (2-10)

另外懸浮微帶線的特性阻抗(假設 t=0)則由式(2-11)得到較精確的值以便設計

饋入網路[11]

2

0 10

2ln 12 re

FZu u

ηπ ε

⎡ ⎤⎛ ⎞⎢ ⎥= + + ⎜ ⎟⎢ ⎥⎝ ⎠⎣ ⎦ (2-11)

其中

( ) ( )07528306661 6 2 6 uF eπ minus= + minus (2-11a)

( )0 120η π= Ω Wuh

= (2-11b)

1

11 ln 1rer

h Wa bH h H h

εε

minus⎡ ⎤⎛ ⎞⎛ ⎞= + minus minus⎢ ⎥⎜ ⎟⎜ ⎟⎜ ⎟minus minus⎝ ⎠⎢ ⎥⎝ ⎠⎣ ⎦

(2-12)

其中

4

08621 0125ln haH h

⎡ ⎤⎛ ⎞= minus ⎜ ⎟⎢ ⎥minus⎝ ⎠⎣ ⎦ (2-12a)

4

04986 01397 ln hbH h

⎡ ⎤⎛ ⎞= minus ⎜ ⎟⎢ ⎥minus⎝ ⎠⎣ ⎦ (2-12b)

11

利用前面提到的矩形微帶天線基本理論將天線的寬度及長度求出把饋入網

路與天線元素在同一平面做一結合設計參數如表 2-1

Dielectric constant 44

Substrate thickness 08mm

Loss tangent 002

Air gap 5mm

Single patch size 416mm(W) x 335mm(L)

Feeding line width 0901mm

Feeding line length 1996mm

表 2-1矩形微帶天線設計參數

利用式(2-4)(2-5)及(2-6)求出天線邊緣的輸入阻抗再設計一四分之一波長

傳輸線饋入並以特性阻抗 Z0 的輸入埠進行模擬如圖 2-7 所示

圖 2-7矩形微帶貼片天線示意圖

Ground plane

65mm Patch antenna

W

L

Zt=9904Ω

Z0=50Ω

80mm

12

當天線共振時天線邊緣的輸入阻抗 inZ 可藉由 20in tZ Z Z= 計算得知接著

觀察中心頻率為 355GHz 的矩形微帶貼片天線其反射損耗與輻射場型圖 2-8

為反射損耗圖圖 2-9 為中心頻率 355GHz 模擬的輻射場型

圖 2-8矩形微帶貼片天線反射損耗

圖 2-9矩形微帶貼片天線在中心頻率 355GHz 模擬的輻射場型

Return Loss

13

222 高增益天線陣列設計

首先以微帶線並聯的饋入結構設計能量一分三的網路再利用傳輸線作阻

抗的匹配[13]最後再以其寬頻的特性饋入到天線陣列圖 2-10 為饋入網路示意

圖圖 2-11 及圖 2-12 分別為饋入網路之反射損耗(Return Loss)插入損耗

(Insertion Loss)以及各輸出埠相位圖

圖 2-10饋入網路示意圖

圖 2-11天線陣列饋入網路之反射損耗及插入損耗模擬圖

14

圖 2-12天線陣列饋入網路各輸出埠相位差

從圖 2-11 可以發現各輸出埠的能量在不同頻率的變化實線為埠一(port1)

的反射損耗其餘為埠二三及四的插入損耗在工作頻率的範圍輸出埠的能

量差值在 2dB 以內而每個輸出埠在工作頻率的相位差為 20deg以內

接著我們利用圖 2-10 的分歧器輸出埠接上天線三元天線陣列如圖 2-13

觀察其反射損耗(圖 2-14)與輻射場型(圖 2-15)

圖 2-13三元天線陣列

15

圖 2-14三元天線陣列反射損耗

圖 2-15三元天線陣列在中心頻率 355GHz 模擬的輻射場型

由圖 2-14圖 2-15 了解到反射損耗在工作頻段(34GHz~37GHz)滿足要求

觀察輻射場型發現增益已可達到 12dBi此時再利用一組能量一分三的分歧器

設計總天線陣列預計為三乘以三共九個元素的天線陣列設計參數如表 2-2

16

Dielectric constant(topbottom) 44 44

Substrate thickness(topbottom) 08mm 16mm

Loss tangent 002

Air gap 5mm

Upper substrate size 250mm x 200mm

Ground size 300mm x 250mm

表 2-2天線陣列設計參數

圖 2-16 為天線陣列結構圖由於饋入網路阻抗匹配與相位差對天線陣列影

響非常大所以設計其信號饋入端為 50Ω以符合實際上使用的 SMA 接頭使

饋入網路匹配

圖 2-16天線陣列結構俯視圖

17

圖 2-17 為天線陣列在(a)34GHz(b)355GHz(c)37GHz 的輻射場型從圖

中可看出模擬與量測的輻射場型相當接近增益也能達到要求

(a)34GHz

(b)355GHz

18

(c)37GHz

圖 2-17天線陣列輻射場型

天線結構確定之後對於其輻射場型的分布需求要符合 ETSI-TS2 的規範

表 2-3 為 ETSI-TS2 對輻射場型分布的要求以下針對輻射場型與 ETSI-mask 做

一比較如圖 2-18 所示從圖中發現除了 34GHz 些微超出標準之外其餘頻

段都能滿足輻射場型要求之後會將改善的部份再做比較

表 2-3ETSI-TS2 對輻射場型分布之要求

19

(a)34GHz

(b)355GHz

(c)37GHz

圖 2-18天線陣列輻射場型與 ETSI-mask 之比較

20

圖 2-19 為天線陣列模擬與量測的反射損耗其工作頻率與設計之天線相去

不遠均包含 34GHz~37GHz圖 2-20 為實際量測的增益對頻率的變化圖其

增益的全頻段都能大於 14dBi其中某些頻率點可看出 E-plane 與 H-plane 所量

測到的最大增益值並不相同這主要的原因在於由饋入網路輸出端在在不同頻率

會有些微的相位差所致使得天線的最大增益值會些微偏移一個角度不過基

本上的趨勢還是相近

圖 2-19天線陣列模擬與量測之反射損耗

21

圖 2-20天線陣列增益對頻率圖

頻率(GHz) 33 34 35 36 37 38

E-plane 增益

(dBi) 1457 1619 1702 1634 1568 1429

H-plane 增益

(dB) 1421 1582 1624 1607 1581 1434

表 2-4天線陣列增益對頻率表

22

(a)俯視圖

(b)側視圖

圖 2-21天線陣列實體圖(a)俯視圖(b)側視圖

23

第三章 電磁帶隙結構與應用

(Electromagnetic Band-Gap Structure and Its Applications )

31 單位晶胞設計與截止帶比較

在天線中通常在較高之基板厚度及較大之介電常數時容易產生表面波

干擾天線輻射為了阻止表面波的傳遞論文中設計了高阻抗表面也就是所謂

的電磁帶隙(EBG)結構能有效抑制表面波提升天線效能

在近幾年許多微波領域的研究文獻利用光子能隙(Photonic Band-Gap

PBG)的概念也就是在介電係數成週期性排列的三維介電材料中電磁波經介

電函數散射後某些波段的電磁波強度會因破壞性干涉而呈現衰減無法在系統

內傳遞而在頻譜上形成截止帶[7][8]應用這個觀念在平面式傳輸線上設計具

有週期性幾何結構的電路造成電磁波在某些頻段無法傳遞而達到濾波的效果

由於使用於微波頻段所以稱此種結構為電磁帶隙或電磁能隙(Electromagnetic

Band-Gap EBG)結構

一個 EBG 結構電路時為一個電路之接地面在沿著某方向或平面做週期性

幾何結構變化所構成的電路如圖 3-1

圖 3-1一維 EBG 結構電路圖

利用 EBG 電路的週期性幾何結構形成一個電磁波的截止帶實線一個具

有寬頻與良好效能的帶止濾波器(Bandstop Filter)本論文使用共平面緊密電磁

帶隙結構(Uniplanar Compact EBG)如圖 3-2取代傳統的完整或切割連結通道

CellCell Cell Cell Cell d d d d TL TL TL TL

24

的平面結構每個單位細胞間以細線做連結細線提供了主要的電感效應每個

單位細胞間以狹縫做為區隔細狹縫間之互容效應與單位細胞之平面電容提供

了主要電容效應利用並接的電感電容效應來達到一寬頻的截止帶

圖 3-2EBG 結構集總電路圖

為了得到我們需要的截止帶首先模擬一個理想傳輸線當對照組(圖 3-3)

使用了介電常數值為 44 的 FR4 電路板厚度為 16mm觀察其反射損耗與插入

損耗從圖 3-4 了解到傳輸線從 1GHz 到 15GHz 反射損耗皆在-20dB 以下插入

損耗-3dB 以上

圖 3-3微帶傳輸線

(a) 俯視圖

(b) 側視圖

25

圖 3-4微帶傳輸線之反射損耗與插入損耗

利用電磁帶隙週期性二維的重複結構如圖 3-5可以找到我們所需要的截止

帶從微帶線的插入損耗可以明顯得到所設計的截止帶頻段跟單位晶胞的大小

成正相關整體電路的等效電感與等效電容越大相對的頻帶也會往低頻跑

(a)正面俯視圖 (b)背面俯視圖

圖 3-5微帶線加上 EBG 結構正面與背面

26

改變單位晶胞大小與截止帶之比較分別從(圖 3-6)4mm2(圖 3-7)6mm2(圖

3-8)8mm2(圖 3-9)10mm2的晶胞大小可以控制截止帶落在哪些區域

(b)反射損耗

a b

g

gs

h

(a)單位晶胞大小

a = 4 mmb = 37 mm s = g = 03 mm h = 18 mm

a

27

圖 3-6微帶線加上 4mm2EBG 結構之晶胞大小與 S 參數比較

從圖 3-6 可以得知從 10GHz 到 12GHz 有一較深之截止帶14GHz 之後也有

截止頻帶只是實驗目標以低頻為主故只模擬到 15GHz繼續改變晶胞大小

來設計低頻截止帶

a b

g

gs

h

(a)單位晶胞大小

a = 6 mm b = 57 mm s = g = 03 mm h = 28 mm

a

(c)插入損耗

28

圖 3-7微帶線加上 6mm2EBG 結構之晶胞大小與 S 參數比較

讓 EBG 晶胞變大(6mm2)跟預期結果相符可以得到更低頻的截止帶低頻帶

從 7GHz 到 9GHz高頻帶 10GHz 之後仍然存在極深之截止帶

(b)S參數比較圖

a bg

gs

h

(a)單位晶胞大小

a = 8 mm b = 76 mm s = g = 04 mm h = 37 mm

a

29

圖 3-8微帶線加上 8mm2EBG 結構之晶胞大小與 S 參數比較

從圖 3-8 的結果得到更低頻的截止帶座落於 43GHz~58GHz 及

61GHz~7GHz 由 於 論 文 中 所 設 計 的 WiMAX 天 線 陣 列 工 作 頻 率 在

34GHz~37GHz故需再將晶胞大小改變讓系統能夠共振在更低頻處

(b)S參數比較圖

a bg

gs

h

(a)單位晶胞大小

a = 10 mm b = 93 mm s = g = 07 mm h = 42 mm

a

30

圖 3-9微帶線加上 10mm2EBG 結構之晶胞大小與 S 參數比較

將週期性電磁帶隙結構結合微帶線可以設計出需要的截止帶圖 3-9 主要

的截止帶在 325GHz~4GHz 及 465GHz~58GHz已經達到需求的頻帶範圍下

個目標將結合微帶天線做改善與比較

(b)S參數比較圖

31

32 電磁帶隙結構包圍方式之探討

321 有限接地面的探討

由於設計的微帶天線主要是在邊射(Broad-side)方向輻射所以需要選擇一個

適當的接地面大小讓輻射場型得到一個最佳值理論上來說無限大的接地面

可以得到最平滑(Smooth)的輻射場型只在單邊輻射不會受到地面干擾實際

上在有限的空間必須選擇一個適當大小的接地面以符合成本與面積要求

而有限的接地面卻容易造成邊緣效應干擾[12]表面波在接地面邊緣產生繞射場

(Diffracted fields)形成新的波源以陣列因子的觀點來看多了新的波源會造

成輻射場型加乘上的消長如圖 3-10微帶貼片天線主要是以前後兩側差半波

長之邊輻射而有限接地面則會在邊緣產生感應磁流(Induced equivalent

magnetic current)如圖 3-11從電場的指向可以推得磁流的方向對照輻射

場型容易在邊射方向造成波紋(Ripple)

圖 3-10有限接地面產生之輻射場型比較圖

L

32

圖 3-11介質中電場指向之強弱分布與感應磁流方向

由於接地面的大小在 E-plane 會產生波紋來干擾輻射場型所以論文中以

EBG 週期性結構來做為一個完美磁導體(Perfect Magnetic ConductorPMC)也

就是人工 PMC(Artificial PMC)抑制邊緣電場的垂直入射減弱感應磁流的效

應以改善天線輻射場型

322 天線周圍包覆 PMC

傳統上 EBG 以圍滿的方式來改善微帶天線之增益與輻射[13]並透過晶胞

數的不斷增加來提高增益及改善輻射場型但晶胞數的增加將提高成本加大

EBG 面積及天線整體體積高達一定數量時反而會降低天線性能對於微帶貼

片天線而言EBG 在接地面太靠近天線輻射邊反而影響其輻射機制造成頻率

飄移因此論文中將探討 EBG 的包圍方式對天線性能之影響以有最佳效果

已知高阻抗表面可以阻擋介質中表面波的傳遞因此先透過理想 PMC 來代

替所設計之高阻抗表面 EBG 結構以分析其特性找出提升天性能的最佳包圍

33

方式

首先把天線周圍包覆 PMC 如圖 3-12以逼近的方式慢慢擴大 PMC 的面積

一圈 PMC 的寬度與設計的晶胞大小邊長一樣從輻射場型來看使用到第二圈

時可以得到最佳的輻射效能如圖 3-13PMC 包圍有其最佳範圍取得有效的包

圍方式可以讓天線輻射最佳化

圖 3-12天線周圍包覆 PMC

34

圖 3-13天線周圍包覆 PMC 之輻射場型比較

參考天線 一圈 PMC 二圈 PMC 三圈 PMC

0 度增益 357dBi 432dBi 545dBi 478dBi

增益改善 075dB 188dB 121dB

表 3-1天線周圍包覆 PMC 之增益改善比較

35

323 輻射邊兩側包覆 PMC

由於微帶天線之表面波傳遞方向以 xz 切面為主如圖 3-14因此在微帶天線

輻射邊的兩側擺放 EBG 結構以抑制其傳遞有效改善天線輻射場型首先使

用理想的 PMC 在天線輻射邊兩側包覆如圖 3-15對於 PMC 覆蓋面積的大小作一

探討變化 PMC 之覆蓋面積了解其對天線輻射場型的影響在邊射(broadside)

方向的輻射場型可以有效改善波紋讓旁波瓣(sidelobe)大幅度降低如圖 3-16

所示以兩列 PMC 可以達到較佳效果再增加一列 PMC 雖些許增加增益不

過 PMC 覆蓋的面積已達飽和因此從上述可知在結合 EBG 和微帶天線時

將有一最佳之覆蓋面積使用最適當之晶胞數來達到最佳的增益改善

圖 3-14表面波在介質空間中分布

36

圖 3-15輻射邊兩側包覆 PMC

圖 3-16輻射邊兩側包覆 PMC 之輻射場型比較

37

參考天線 一列 PMC 二列 PMC 三列 PMC

0 度增益 357dBi 528dBi 642dBi 644dBi

增益改善 171dB 285dB 287dB

表 3-2輻射邊兩側包覆 PMC 之增益改善比較

33 電磁帶隙結構結合單一微帶天線

以下將結合所設計之 EBG 結構和微帶天線以改善微帶天線之輻射場型干

擾從前述的探討先以圍繞式包圍天線做輻射場型比較如圖 3-17 所示

圖 3-17天線周圍包覆 EBG 之輻射場型比較

38

0 度增益

Ref patch antenna 357dBi

圍繞 EBG 572dBi

ΔGain 215dB

表 3-3天線周圍包覆 EBG 之增益改善比較

由於表面波之傳遞主要為 X 軸方向因此以 EBG 之較寬頻的維度來抑制 X

方向的表面波其結合方式如下以兩列 EBG 結構與天線結合比較如圖 3-18

圖 3-18輻射邊兩側包覆 EBG 之輻射場型比較

39

0 度增益

Ref patch antenna 357dBi

輻射邊包覆 EBG 577dBi

ΔGain 22dB

表 3-4輻射邊兩側包覆 EBG 之增益改善比較

兩種包覆 EBG 的情形做比較使用輻射邊兩側包覆 EBG 對表面波抑制可以

達到最直接的效果再對接地面做變化令輻射邊到接地面邊緣距離等於 15 倍

空氣中波長邊緣的等效感應磁流干擾最大在垂射(broadside)方向造成 30 度到

60 度的旁波瓣將晶胞數加到三列使得輻射場型能有最佳效果如圖 3-19 所示

圖 3-19較大接地面應用更多晶胞數改善輻射場型圖

40

34 電磁帶隙結構結合微帶天線陣列

第二章敘述之高增益天線陣列由於在 E-plane 產生較大之旁波瓣因此論

文將結合 EBG 結構與天線陣列改善輻射場型以符合 ETSI-TS2 規範要求

對原本的天線陣列與改善後的天線陣列作一比較如圖 3-20 為天線結構示意圖

俯視圖 yz 切面為表面波影響較大的面因此我們在 E-plane 兩側包覆 EBG使

用三列的 EBG 週期結構另外圖 3-21 為(a)34GHz(b)355GHz(c)37GHz

輻射場型在 E-plane 的改善比較可以發現在(a)跟(b)改善的效果特別明顯旁波

瓣減弱許多而(c)原本旁波瓣就不大所以改善較不明顯再跟 ETSI-mask 做

比較如圖 3-22改善後的天線陣列距離輻射場型標準線有較大之安全距離對實

作上的誤差影響會比較小以下針對輻射場型做一比較

圖 3-20原始天線陣列與應用 EBG 之天線陣列

41

(a)34GHz E-plane 輻射場型比較

(b)355GHz E-plane 輻射場型比較

(c)37GHz E-plane 輻射場型比較

圖 3-21原始天線陣列與應用 EBG 之天線陣列輻射場型比較

(a)34GHz (b)355GHz (c)37GHz

42

(a)34GHz E-plane

(b)355GHz E-plane

(a)37GHz E-plane

圖 3-22原始天線陣列與應用 EBG 之天線陣列與 ETSI-mask 比較

(a)34GHz (b)355GHz (c)37GHz

43

35 模擬與量測結果比較

由上述模擬的結果進行實作及量測的工作如圖 3-23 為微帶天線結合 EBG

結構的架構表 3-5 列出了板材的規格使用的基板是 FR4 玻璃纖維基板並架高

空氣高度為 5mm

Dielectric constant(topbottom) 44 44

Substrate thickness(topbottom) 08mm 16mm

Loss tangent 002

Air gap 5mm

Upper substrate size 250mm x 200mm

Ground size 300mm x 250mm

表 3-5天線陣列設計參數

圖 3-23應用 EBG 之天線陣列結構圖

44

圖 3-24 為天線陣列在 34GHz355GHz37GHz 的輻射場型從圖中可以

觀察模擬與量測場型蠻相近的

(a)34GHz

(b)355GHz

45

(c)37GHz

圖 3-24天線陣列輻射場型模擬與量測比較

對於其輻射場型的分布需求要符合 ETSI-TS2 的規範以下針對輻射場型與

ETSI-mask 做一比較如圖 3-25 所示從圖中發現實作及量測輻射場型全部

工作頻段都能滿足 mask 要求完成一組高增益天線陣列

(a)34GHz

46

(b)355GHz

(c)37GHz

圖 3-25天線陣列輻射場型與 ETSI-mask 比較

圖 3-26 為天線陣列模擬與量測的反射損耗其工作頻率與設計之天線相去

不遠均包含 34GHz~37GHz頻寬設計較大的原因在於避免外在因素造成的頻

飄量測出來可達 33GHz~39GHz略往高頻飄不過與設計的反射損耗相當接

近圖 3-27 為實際量測的增益對頻率的變化圖其增益的全頻段都能大於

14dBiE-plane 與 H-plane 也較為接近整理數據如表 3-6

47

圖 3-26天線陣列反射損耗模擬與量測比較

圖 3-27天線陣列增益對頻率圖

48

頻率(GHz) 33 34 35 36 37 38

E-plane 增益

(dBi) 1485 1591 1620 1687 1627 1507

H-plane 增益

(dBi) 1421 1565 1598 1629 1607 1518

表 3-6天線陣列增益對頻率表

49

圖 3-28 為實體圖俯視圖側視圖與 EBG 實際大小比較

(a) 俯視圖

(b) 側視圖(空氣高度=05mm)

(c)EBG 實體結構

圖 3-28天線陣列實體圖

50

第四章 結論

(Conclusion)

本論文主要是研究適用於基地台的 WiMAX 頻段高增益天線陣列並控制其

頻寬增益及輻射場型能夠符合 ETSI(European Telecommunication Standards

Institute)的規範在論文第二章中提出的高增益天線陣列是利用一個能量分歧

器把能量等效分成三份的饋入網路接上三組一樣的三元素陣列矩形微帶天線所

組成的天線陣列最高增益可達到 17dBi工作頻率的增益都能超過要求的

14dBi輻射場型符合 ETSI-TS2 規範另外本論文所提出的天線陣列為印刷式

天線不但具有輕量化的特性且大幅降低製作上的困難度也減輕了成本的負擔

透過本論文所設計之 EBG 可有效降低傳統 EBG 結構的製程僅以 FR4 板

材即可自行實作比較無須鉚釘並提出有效提升微帶天線增益的包圍方式在

有限的接地面下可選擇適當的晶胞數來改善天線陣列的輻射場型抑制表面波

對天線的干擾讓邊際效應產生的感應磁流干擾降到最低最後在實作及量測部

分驗證我們模擬的結果

51

參考文獻

[1] W L Stutzman and G A Thiele Antenna Theory and Design 2nd ed New York

Wiley 1998

[2] A Balanis Antenna Theory Analysis and Design New York Wiley 1997

[3] R Gardelli G La Cono and M Albani ldquoA low-cost suspended patch antenna for

WLAN access points and point-to-point linksrdquo IEEE Antennas and Propagat vol

3 no 1 pp 90-93 2004

[4] H F Pues and A R Van de capelle ldquoAn impedance-matching technique for

increasing the bandwidth of microstrip antennasrdquo IEEE Trans on Antennas and

Propagat vol 37 no 11 pp 1345-1354 Nov 1989

[5] Q Song and XndashX Zhang ldquoA study on wideband gap-coupled microstrip antenna

arraysrdquo IEEE Trans On Antennas and Propagat vol 43 no 3 pp 313-317 Mar

1995

[6] D Sievenpiper L Z Romulo F J Broas N G Alexopolous and E Yablonovitch

ldquoHigh-impedance electromagnetic surfaces with a forbidden frequency bandrdquo

IEEE Trans Microwave Theory Tech vol 47 no 11 pp 311-335 Nov 1999

[7] F-R Yang K-P Ma Y Qian and T Itoh ldquo A Uniplanar Compact

Photonic-Bandgap (UC-PBG) Structure and Its Applications for Microwave

Circuitsrdquo IEEE Trans MTT vol 47 Aug 1999

[8] M F Abedin M Z Azad and M Ali ldquo wideband smaller unit-cell planar EBG

structures and their applicationrdquo IEEE Trans On Antenna and Propagat vol 56

no 3 pp 903-908 Mar 2008

[9] I J Bahl and P Bhartia Microstrip Antennas Artech House 1980

[10] JR James and P S Hall Handbook of Microstrip Antennas LondonPeter

Peregrinus Ltd 1989

52

[11] K C Gupta R Garg I J Bahl P Bhartia Microstrip Lines and Slotlines 2nd ed

Norwood MAArtech House 1996

[12] T Namiki Y Murayama and K Ito ldquo Improving radiation-pattern distortion of a

patch antenna having a finite ground planerdquo IEEE Trans On Antenna and

Propagat vol 51 no 3 pp 478-482 Mar 2003

[13] R Coccioli F-R Yang K-P Ma and T Itoh ldquo Aperture-coupled patch antenna

on UC-PBG substraterdquo IEEE Trans Microwave Theory Tech vol 47 no 11 pp

2123-2130 Nov 1999

[14] F Yang and Y Rahmat-samii ldquo Microstrip antenna integrated with

electromagnetic band-gap (EBG) structure a low mutual coupling design for array

applicationrdquo IEEE Trans On Antenna and Propagat vol 51 no 10 pp

2936-2946 Oct2003

[15] Z Iluz R Shavit and R Bauer ldquo Microstrip antenna phased array with

electromagnetic bandgap substraterdquo IEEE Trans On Antenna and Propagat vol

52 no 6 pp 1446-1453 June 2004

  • 封面pdf
  • 摘要與目錄pdf
  • 論文_終稿_pdf
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 DEU 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 ESP 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FRA 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ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP 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 FRA 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 ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO ltFEFF004b00e40079007400e40020006e00e40069007400e4002000610073006500740075006b007300690061002c0020006b0075006e0020006c0075006f0074002000410064006f0062006500200050004400460020002d0064006f006b0075006d0065006e007400740065006a00610020006c0061006100640075006b006100730074006100200074007900f6007000f60079007400e400740075006c006f0073007400750073007400610020006a00610020007600650064006f007300740075007300740061002000760061007200740065006e002e00200020004c0075006f0064007500740020005000440046002d0064006f006b0075006d0065006e00740069007400200076006f0069006400610061006e0020006100760061007400610020004100630072006f0062006100740069006c006c00610020006a0061002000410064006f00620065002000520065006100640065007200200035002e0030003a006c006c00610020006a006100200075007500640065006d006d0069006c006c0061002egt SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK 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ESP 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FRA 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UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

11

利用前面提到的矩形微帶天線基本理論將天線的寬度及長度求出把饋入網

路與天線元素在同一平面做一結合設計參數如表 2-1

Dielectric constant 44

Substrate thickness 08mm

Loss tangent 002

Air gap 5mm

Single patch size 416mm(W) x 335mm(L)

Feeding line width 0901mm

Feeding line length 1996mm

表 2-1矩形微帶天線設計參數

利用式(2-4)(2-5)及(2-6)求出天線邊緣的輸入阻抗再設計一四分之一波長

傳輸線饋入並以特性阻抗 Z0 的輸入埠進行模擬如圖 2-7 所示

圖 2-7矩形微帶貼片天線示意圖

Ground plane

65mm Patch antenna

W

L

Zt=9904Ω

Z0=50Ω

80mm

12

當天線共振時天線邊緣的輸入阻抗 inZ 可藉由 20in tZ Z Z= 計算得知接著

觀察中心頻率為 355GHz 的矩形微帶貼片天線其反射損耗與輻射場型圖 2-8

為反射損耗圖圖 2-9 為中心頻率 355GHz 模擬的輻射場型

圖 2-8矩形微帶貼片天線反射損耗

圖 2-9矩形微帶貼片天線在中心頻率 355GHz 模擬的輻射場型

Return Loss

13

222 高增益天線陣列設計

首先以微帶線並聯的饋入結構設計能量一分三的網路再利用傳輸線作阻

抗的匹配[13]最後再以其寬頻的特性饋入到天線陣列圖 2-10 為饋入網路示意

圖圖 2-11 及圖 2-12 分別為饋入網路之反射損耗(Return Loss)插入損耗

(Insertion Loss)以及各輸出埠相位圖

圖 2-10饋入網路示意圖

圖 2-11天線陣列饋入網路之反射損耗及插入損耗模擬圖

14

圖 2-12天線陣列饋入網路各輸出埠相位差

從圖 2-11 可以發現各輸出埠的能量在不同頻率的變化實線為埠一(port1)

的反射損耗其餘為埠二三及四的插入損耗在工作頻率的範圍輸出埠的能

量差值在 2dB 以內而每個輸出埠在工作頻率的相位差為 20deg以內

接著我們利用圖 2-10 的分歧器輸出埠接上天線三元天線陣列如圖 2-13

觀察其反射損耗(圖 2-14)與輻射場型(圖 2-15)

圖 2-13三元天線陣列

15

圖 2-14三元天線陣列反射損耗

圖 2-15三元天線陣列在中心頻率 355GHz 模擬的輻射場型

由圖 2-14圖 2-15 了解到反射損耗在工作頻段(34GHz~37GHz)滿足要求

觀察輻射場型發現增益已可達到 12dBi此時再利用一組能量一分三的分歧器

設計總天線陣列預計為三乘以三共九個元素的天線陣列設計參數如表 2-2

16

Dielectric constant(topbottom) 44 44

Substrate thickness(topbottom) 08mm 16mm

Loss tangent 002

Air gap 5mm

Upper substrate size 250mm x 200mm

Ground size 300mm x 250mm

表 2-2天線陣列設計參數

圖 2-16 為天線陣列結構圖由於饋入網路阻抗匹配與相位差對天線陣列影

響非常大所以設計其信號饋入端為 50Ω以符合實際上使用的 SMA 接頭使

饋入網路匹配

圖 2-16天線陣列結構俯視圖

17

圖 2-17 為天線陣列在(a)34GHz(b)355GHz(c)37GHz 的輻射場型從圖

中可看出模擬與量測的輻射場型相當接近增益也能達到要求

(a)34GHz

(b)355GHz

18

(c)37GHz

圖 2-17天線陣列輻射場型

天線結構確定之後對於其輻射場型的分布需求要符合 ETSI-TS2 的規範

表 2-3 為 ETSI-TS2 對輻射場型分布的要求以下針對輻射場型與 ETSI-mask 做

一比較如圖 2-18 所示從圖中發現除了 34GHz 些微超出標準之外其餘頻

段都能滿足輻射場型要求之後會將改善的部份再做比較

表 2-3ETSI-TS2 對輻射場型分布之要求

19

(a)34GHz

(b)355GHz

(c)37GHz

圖 2-18天線陣列輻射場型與 ETSI-mask 之比較

20

圖 2-19 為天線陣列模擬與量測的反射損耗其工作頻率與設計之天線相去

不遠均包含 34GHz~37GHz圖 2-20 為實際量測的增益對頻率的變化圖其

增益的全頻段都能大於 14dBi其中某些頻率點可看出 E-plane 與 H-plane 所量

測到的最大增益值並不相同這主要的原因在於由饋入網路輸出端在在不同頻率

會有些微的相位差所致使得天線的最大增益值會些微偏移一個角度不過基

本上的趨勢還是相近

圖 2-19天線陣列模擬與量測之反射損耗

21

圖 2-20天線陣列增益對頻率圖

頻率(GHz) 33 34 35 36 37 38

E-plane 增益

(dBi) 1457 1619 1702 1634 1568 1429

H-plane 增益

(dB) 1421 1582 1624 1607 1581 1434

表 2-4天線陣列增益對頻率表

22

(a)俯視圖

(b)側視圖

圖 2-21天線陣列實體圖(a)俯視圖(b)側視圖

23

第三章 電磁帶隙結構與應用

(Electromagnetic Band-Gap Structure and Its Applications )

31 單位晶胞設計與截止帶比較

在天線中通常在較高之基板厚度及較大之介電常數時容易產生表面波

干擾天線輻射為了阻止表面波的傳遞論文中設計了高阻抗表面也就是所謂

的電磁帶隙(EBG)結構能有效抑制表面波提升天線效能

在近幾年許多微波領域的研究文獻利用光子能隙(Photonic Band-Gap

PBG)的概念也就是在介電係數成週期性排列的三維介電材料中電磁波經介

電函數散射後某些波段的電磁波強度會因破壞性干涉而呈現衰減無法在系統

內傳遞而在頻譜上形成截止帶[7][8]應用這個觀念在平面式傳輸線上設計具

有週期性幾何結構的電路造成電磁波在某些頻段無法傳遞而達到濾波的效果

由於使用於微波頻段所以稱此種結構為電磁帶隙或電磁能隙(Electromagnetic

Band-Gap EBG)結構

一個 EBG 結構電路時為一個電路之接地面在沿著某方向或平面做週期性

幾何結構變化所構成的電路如圖 3-1

圖 3-1一維 EBG 結構電路圖

利用 EBG 電路的週期性幾何結構形成一個電磁波的截止帶實線一個具

有寬頻與良好效能的帶止濾波器(Bandstop Filter)本論文使用共平面緊密電磁

帶隙結構(Uniplanar Compact EBG)如圖 3-2取代傳統的完整或切割連結通道

CellCell Cell Cell Cell d d d d TL TL TL TL

24

的平面結構每個單位細胞間以細線做連結細線提供了主要的電感效應每個

單位細胞間以狹縫做為區隔細狹縫間之互容效應與單位細胞之平面電容提供

了主要電容效應利用並接的電感電容效應來達到一寬頻的截止帶

圖 3-2EBG 結構集總電路圖

為了得到我們需要的截止帶首先模擬一個理想傳輸線當對照組(圖 3-3)

使用了介電常數值為 44 的 FR4 電路板厚度為 16mm觀察其反射損耗與插入

損耗從圖 3-4 了解到傳輸線從 1GHz 到 15GHz 反射損耗皆在-20dB 以下插入

損耗-3dB 以上

圖 3-3微帶傳輸線

(a) 俯視圖

(b) 側視圖

25

圖 3-4微帶傳輸線之反射損耗與插入損耗

利用電磁帶隙週期性二維的重複結構如圖 3-5可以找到我們所需要的截止

帶從微帶線的插入損耗可以明顯得到所設計的截止帶頻段跟單位晶胞的大小

成正相關整體電路的等效電感與等效電容越大相對的頻帶也會往低頻跑

(a)正面俯視圖 (b)背面俯視圖

圖 3-5微帶線加上 EBG 結構正面與背面

26

改變單位晶胞大小與截止帶之比較分別從(圖 3-6)4mm2(圖 3-7)6mm2(圖

3-8)8mm2(圖 3-9)10mm2的晶胞大小可以控制截止帶落在哪些區域

(b)反射損耗

a b

g

gs

h

(a)單位晶胞大小

a = 4 mmb = 37 mm s = g = 03 mm h = 18 mm

a

27

圖 3-6微帶線加上 4mm2EBG 結構之晶胞大小與 S 參數比較

從圖 3-6 可以得知從 10GHz 到 12GHz 有一較深之截止帶14GHz 之後也有

截止頻帶只是實驗目標以低頻為主故只模擬到 15GHz繼續改變晶胞大小

來設計低頻截止帶

a b

g

gs

h

(a)單位晶胞大小

a = 6 mm b = 57 mm s = g = 03 mm h = 28 mm

a

(c)插入損耗

28

圖 3-7微帶線加上 6mm2EBG 結構之晶胞大小與 S 參數比較

讓 EBG 晶胞變大(6mm2)跟預期結果相符可以得到更低頻的截止帶低頻帶

從 7GHz 到 9GHz高頻帶 10GHz 之後仍然存在極深之截止帶

(b)S參數比較圖

a bg

gs

h

(a)單位晶胞大小

a = 8 mm b = 76 mm s = g = 04 mm h = 37 mm

a

29

圖 3-8微帶線加上 8mm2EBG 結構之晶胞大小與 S 參數比較

從圖 3-8 的結果得到更低頻的截止帶座落於 43GHz~58GHz 及

61GHz~7GHz 由 於 論 文 中 所 設 計 的 WiMAX 天 線 陣 列 工 作 頻 率 在

34GHz~37GHz故需再將晶胞大小改變讓系統能夠共振在更低頻處

(b)S參數比較圖

a bg

gs

h

(a)單位晶胞大小

a = 10 mm b = 93 mm s = g = 07 mm h = 42 mm

a

30

圖 3-9微帶線加上 10mm2EBG 結構之晶胞大小與 S 參數比較

將週期性電磁帶隙結構結合微帶線可以設計出需要的截止帶圖 3-9 主要

的截止帶在 325GHz~4GHz 及 465GHz~58GHz已經達到需求的頻帶範圍下

個目標將結合微帶天線做改善與比較

(b)S參數比較圖

31

32 電磁帶隙結構包圍方式之探討

321 有限接地面的探討

由於設計的微帶天線主要是在邊射(Broad-side)方向輻射所以需要選擇一個

適當的接地面大小讓輻射場型得到一個最佳值理論上來說無限大的接地面

可以得到最平滑(Smooth)的輻射場型只在單邊輻射不會受到地面干擾實際

上在有限的空間必須選擇一個適當大小的接地面以符合成本與面積要求

而有限的接地面卻容易造成邊緣效應干擾[12]表面波在接地面邊緣產生繞射場

(Diffracted fields)形成新的波源以陣列因子的觀點來看多了新的波源會造

成輻射場型加乘上的消長如圖 3-10微帶貼片天線主要是以前後兩側差半波

長之邊輻射而有限接地面則會在邊緣產生感應磁流(Induced equivalent

magnetic current)如圖 3-11從電場的指向可以推得磁流的方向對照輻射

場型容易在邊射方向造成波紋(Ripple)

圖 3-10有限接地面產生之輻射場型比較圖

L

32

圖 3-11介質中電場指向之強弱分布與感應磁流方向

由於接地面的大小在 E-plane 會產生波紋來干擾輻射場型所以論文中以

EBG 週期性結構來做為一個完美磁導體(Perfect Magnetic ConductorPMC)也

就是人工 PMC(Artificial PMC)抑制邊緣電場的垂直入射減弱感應磁流的效

應以改善天線輻射場型

322 天線周圍包覆 PMC

傳統上 EBG 以圍滿的方式來改善微帶天線之增益與輻射[13]並透過晶胞

數的不斷增加來提高增益及改善輻射場型但晶胞數的增加將提高成本加大

EBG 面積及天線整體體積高達一定數量時反而會降低天線性能對於微帶貼

片天線而言EBG 在接地面太靠近天線輻射邊反而影響其輻射機制造成頻率

飄移因此論文中將探討 EBG 的包圍方式對天線性能之影響以有最佳效果

已知高阻抗表面可以阻擋介質中表面波的傳遞因此先透過理想 PMC 來代

替所設計之高阻抗表面 EBG 結構以分析其特性找出提升天性能的最佳包圍

33

方式

首先把天線周圍包覆 PMC 如圖 3-12以逼近的方式慢慢擴大 PMC 的面積

一圈 PMC 的寬度與設計的晶胞大小邊長一樣從輻射場型來看使用到第二圈

時可以得到最佳的輻射效能如圖 3-13PMC 包圍有其最佳範圍取得有效的包

圍方式可以讓天線輻射最佳化

圖 3-12天線周圍包覆 PMC

34

圖 3-13天線周圍包覆 PMC 之輻射場型比較

參考天線 一圈 PMC 二圈 PMC 三圈 PMC

0 度增益 357dBi 432dBi 545dBi 478dBi

增益改善 075dB 188dB 121dB

表 3-1天線周圍包覆 PMC 之增益改善比較

35

323 輻射邊兩側包覆 PMC

由於微帶天線之表面波傳遞方向以 xz 切面為主如圖 3-14因此在微帶天線

輻射邊的兩側擺放 EBG 結構以抑制其傳遞有效改善天線輻射場型首先使

用理想的 PMC 在天線輻射邊兩側包覆如圖 3-15對於 PMC 覆蓋面積的大小作一

探討變化 PMC 之覆蓋面積了解其對天線輻射場型的影響在邊射(broadside)

方向的輻射場型可以有效改善波紋讓旁波瓣(sidelobe)大幅度降低如圖 3-16

所示以兩列 PMC 可以達到較佳效果再增加一列 PMC 雖些許增加增益不

過 PMC 覆蓋的面積已達飽和因此從上述可知在結合 EBG 和微帶天線時

將有一最佳之覆蓋面積使用最適當之晶胞數來達到最佳的增益改善

圖 3-14表面波在介質空間中分布

36

圖 3-15輻射邊兩側包覆 PMC

圖 3-16輻射邊兩側包覆 PMC 之輻射場型比較

37

參考天線 一列 PMC 二列 PMC 三列 PMC

0 度增益 357dBi 528dBi 642dBi 644dBi

增益改善 171dB 285dB 287dB

表 3-2輻射邊兩側包覆 PMC 之增益改善比較

33 電磁帶隙結構結合單一微帶天線

以下將結合所設計之 EBG 結構和微帶天線以改善微帶天線之輻射場型干

擾從前述的探討先以圍繞式包圍天線做輻射場型比較如圖 3-17 所示

圖 3-17天線周圍包覆 EBG 之輻射場型比較

38

0 度增益

Ref patch antenna 357dBi

圍繞 EBG 572dBi

ΔGain 215dB

表 3-3天線周圍包覆 EBG 之增益改善比較

由於表面波之傳遞主要為 X 軸方向因此以 EBG 之較寬頻的維度來抑制 X

方向的表面波其結合方式如下以兩列 EBG 結構與天線結合比較如圖 3-18

圖 3-18輻射邊兩側包覆 EBG 之輻射場型比較

39

0 度增益

Ref patch antenna 357dBi

輻射邊包覆 EBG 577dBi

ΔGain 22dB

表 3-4輻射邊兩側包覆 EBG 之增益改善比較

兩種包覆 EBG 的情形做比較使用輻射邊兩側包覆 EBG 對表面波抑制可以

達到最直接的效果再對接地面做變化令輻射邊到接地面邊緣距離等於 15 倍

空氣中波長邊緣的等效感應磁流干擾最大在垂射(broadside)方向造成 30 度到

60 度的旁波瓣將晶胞數加到三列使得輻射場型能有最佳效果如圖 3-19 所示

圖 3-19較大接地面應用更多晶胞數改善輻射場型圖

40

34 電磁帶隙結構結合微帶天線陣列

第二章敘述之高增益天線陣列由於在 E-plane 產生較大之旁波瓣因此論

文將結合 EBG 結構與天線陣列改善輻射場型以符合 ETSI-TS2 規範要求

對原本的天線陣列與改善後的天線陣列作一比較如圖 3-20 為天線結構示意圖

俯視圖 yz 切面為表面波影響較大的面因此我們在 E-plane 兩側包覆 EBG使

用三列的 EBG 週期結構另外圖 3-21 為(a)34GHz(b)355GHz(c)37GHz

輻射場型在 E-plane 的改善比較可以發現在(a)跟(b)改善的效果特別明顯旁波

瓣減弱許多而(c)原本旁波瓣就不大所以改善較不明顯再跟 ETSI-mask 做

比較如圖 3-22改善後的天線陣列距離輻射場型標準線有較大之安全距離對實

作上的誤差影響會比較小以下針對輻射場型做一比較

圖 3-20原始天線陣列與應用 EBG 之天線陣列

41

(a)34GHz E-plane 輻射場型比較

(b)355GHz E-plane 輻射場型比較

(c)37GHz E-plane 輻射場型比較

圖 3-21原始天線陣列與應用 EBG 之天線陣列輻射場型比較

(a)34GHz (b)355GHz (c)37GHz

42

(a)34GHz E-plane

(b)355GHz E-plane

(a)37GHz E-plane

圖 3-22原始天線陣列與應用 EBG 之天線陣列與 ETSI-mask 比較

(a)34GHz (b)355GHz (c)37GHz

43

35 模擬與量測結果比較

由上述模擬的結果進行實作及量測的工作如圖 3-23 為微帶天線結合 EBG

結構的架構表 3-5 列出了板材的規格使用的基板是 FR4 玻璃纖維基板並架高

空氣高度為 5mm

Dielectric constant(topbottom) 44 44

Substrate thickness(topbottom) 08mm 16mm

Loss tangent 002

Air gap 5mm

Upper substrate size 250mm x 200mm

Ground size 300mm x 250mm

表 3-5天線陣列設計參數

圖 3-23應用 EBG 之天線陣列結構圖

44

圖 3-24 為天線陣列在 34GHz355GHz37GHz 的輻射場型從圖中可以

觀察模擬與量測場型蠻相近的

(a)34GHz

(b)355GHz

45

(c)37GHz

圖 3-24天線陣列輻射場型模擬與量測比較

對於其輻射場型的分布需求要符合 ETSI-TS2 的規範以下針對輻射場型與

ETSI-mask 做一比較如圖 3-25 所示從圖中發現實作及量測輻射場型全部

工作頻段都能滿足 mask 要求完成一組高增益天線陣列

(a)34GHz

46

(b)355GHz

(c)37GHz

圖 3-25天線陣列輻射場型與 ETSI-mask 比較

圖 3-26 為天線陣列模擬與量測的反射損耗其工作頻率與設計之天線相去

不遠均包含 34GHz~37GHz頻寬設計較大的原因在於避免外在因素造成的頻

飄量測出來可達 33GHz~39GHz略往高頻飄不過與設計的反射損耗相當接

近圖 3-27 為實際量測的增益對頻率的變化圖其增益的全頻段都能大於

14dBiE-plane 與 H-plane 也較為接近整理數據如表 3-6

47

圖 3-26天線陣列反射損耗模擬與量測比較

圖 3-27天線陣列增益對頻率圖

48

頻率(GHz) 33 34 35 36 37 38

E-plane 增益

(dBi) 1485 1591 1620 1687 1627 1507

H-plane 增益

(dBi) 1421 1565 1598 1629 1607 1518

表 3-6天線陣列增益對頻率表

49

圖 3-28 為實體圖俯視圖側視圖與 EBG 實際大小比較

(a) 俯視圖

(b) 側視圖(空氣高度=05mm)

(c)EBG 實體結構

圖 3-28天線陣列實體圖

50

第四章 結論

(Conclusion)

本論文主要是研究適用於基地台的 WiMAX 頻段高增益天線陣列並控制其

頻寬增益及輻射場型能夠符合 ETSI(European Telecommunication Standards

Institute)的規範在論文第二章中提出的高增益天線陣列是利用一個能量分歧

器把能量等效分成三份的饋入網路接上三組一樣的三元素陣列矩形微帶天線所

組成的天線陣列最高增益可達到 17dBi工作頻率的增益都能超過要求的

14dBi輻射場型符合 ETSI-TS2 規範另外本論文所提出的天線陣列為印刷式

天線不但具有輕量化的特性且大幅降低製作上的困難度也減輕了成本的負擔

透過本論文所設計之 EBG 可有效降低傳統 EBG 結構的製程僅以 FR4 板

材即可自行實作比較無須鉚釘並提出有效提升微帶天線增益的包圍方式在

有限的接地面下可選擇適當的晶胞數來改善天線陣列的輻射場型抑制表面波

對天線的干擾讓邊際效應產生的感應磁流干擾降到最低最後在實作及量測部

分驗證我們模擬的結果

51

參考文獻

[1] W L Stutzman and G A Thiele Antenna Theory and Design 2nd ed New York

Wiley 1998

[2] A Balanis Antenna Theory Analysis and Design New York Wiley 1997

[3] R Gardelli G La Cono and M Albani ldquoA low-cost suspended patch antenna for

WLAN access points and point-to-point linksrdquo IEEE Antennas and Propagat vol

3 no 1 pp 90-93 2004

[4] H F Pues and A R Van de capelle ldquoAn impedance-matching technique for

increasing the bandwidth of microstrip antennasrdquo IEEE Trans on Antennas and

Propagat vol 37 no 11 pp 1345-1354 Nov 1989

[5] Q Song and XndashX Zhang ldquoA study on wideband gap-coupled microstrip antenna

arraysrdquo IEEE Trans On Antennas and Propagat vol 43 no 3 pp 313-317 Mar

1995

[6] D Sievenpiper L Z Romulo F J Broas N G Alexopolous and E Yablonovitch

ldquoHigh-impedance electromagnetic surfaces with a forbidden frequency bandrdquo

IEEE Trans Microwave Theory Tech vol 47 no 11 pp 311-335 Nov 1999

[7] F-R Yang K-P Ma Y Qian and T Itoh ldquo A Uniplanar Compact

Photonic-Bandgap (UC-PBG) Structure and Its Applications for Microwave

Circuitsrdquo IEEE Trans MTT vol 47 Aug 1999

[8] M F Abedin M Z Azad and M Ali ldquo wideband smaller unit-cell planar EBG

structures and their applicationrdquo IEEE Trans On Antenna and Propagat vol 56

no 3 pp 903-908 Mar 2008

[9] I J Bahl and P Bhartia Microstrip Antennas Artech House 1980

[10] JR James and P S Hall Handbook of Microstrip Antennas LondonPeter

Peregrinus Ltd 1989

52

[11] K C Gupta R Garg I J Bahl P Bhartia Microstrip Lines and Slotlines 2nd ed

Norwood MAArtech House 1996

[12] T Namiki Y Murayama and K Ito ldquo Improving radiation-pattern distortion of a

patch antenna having a finite ground planerdquo IEEE Trans On Antenna and

Propagat vol 51 no 3 pp 478-482 Mar 2003

[13] R Coccioli F-R Yang K-P Ma and T Itoh ldquo Aperture-coupled patch antenna

on UC-PBG substraterdquo IEEE Trans Microwave Theory Tech vol 47 no 11 pp

2123-2130 Nov 1999

[14] F Yang and Y Rahmat-samii ldquo Microstrip antenna integrated with

electromagnetic band-gap (EBG) structure a low mutual coupling design for array

applicationrdquo IEEE Trans On Antenna and Propagat vol 51 no 10 pp

2936-2946 Oct2003

[15] Z Iluz R Shavit and R Bauer ldquo Microstrip antenna phased array with

electromagnetic bandgap substraterdquo IEEE Trans On Antenna and Propagat vol

52 no 6 pp 1446-1453 June 2004

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  • 摘要與目錄pdf
  • 論文_終稿_pdf
    • ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN ltFEFF004200720075006700200069006e0064007300740069006c006c0069006e006700650072006e0065002000740069006c0020006100740020006f007000720065007400740065002000410064006f006200650020005000440046002d0064006f006b0075006d0065006e007400650072002000740069006c0020006b00760061006c00690074006500740073007500640073006b007200690076006e0069006e006700200065006c006c006500720020006b006f007200720065006b007400750072006c00e60073006e0069006e0067002e0020004400650020006f007000720065007400740065006400650020005000440046002d0064006f006b0075006d0065006e0074006500720020006b0061006e002000e50062006e00650073002000690020004100630072006f00620061007400200065006c006c006500720020004100630072006f006200610074002000520065006100640065007200200035002e00300020006f00670020006e0079006500720065002egt DEU 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 ESP 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 FRA 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 ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP 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 FRA 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 ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO 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 SVE ltFEFF0041006e007600e4006e00640020006400650020006800e4007200200069006e0073007400e4006c006c006e0069006e006700610072006e00610020006f006d002000640075002000760069006c006c00200073006b006100700061002000410064006f006200650020005000440046002d0064006f006b0075006d0065006e00740020006600f600720020006b00760061006c00690074006500740073007500740073006b0072006900660074006500720020007000e5002000760061006e006c00690067006100200073006b0072006900760061007200650020006f006300680020006600f600720020006b006f007200720065006b007400750072002e002000200053006b006100700061006400650020005000440046002d0064006f006b0075006d0065006e00740020006b0061006e002000f600700070006e00610073002000690020004100630072006f0062006100740020006f00630068002000410064006f00620065002000520065006100640065007200200035002e00300020006f00630068002000730065006e006100720065002egt ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP 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 FRA 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 ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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12

當天線共振時天線邊緣的輸入阻抗 inZ 可藉由 20in tZ Z Z= 計算得知接著

觀察中心頻率為 355GHz 的矩形微帶貼片天線其反射損耗與輻射場型圖 2-8

為反射損耗圖圖 2-9 為中心頻率 355GHz 模擬的輻射場型

圖 2-8矩形微帶貼片天線反射損耗

圖 2-9矩形微帶貼片天線在中心頻率 355GHz 模擬的輻射場型

Return Loss

13

222 高增益天線陣列設計

首先以微帶線並聯的饋入結構設計能量一分三的網路再利用傳輸線作阻

抗的匹配[13]最後再以其寬頻的特性饋入到天線陣列圖 2-10 為饋入網路示意

圖圖 2-11 及圖 2-12 分別為饋入網路之反射損耗(Return Loss)插入損耗

(Insertion Loss)以及各輸出埠相位圖

圖 2-10饋入網路示意圖

圖 2-11天線陣列饋入網路之反射損耗及插入損耗模擬圖

14

圖 2-12天線陣列饋入網路各輸出埠相位差

從圖 2-11 可以發現各輸出埠的能量在不同頻率的變化實線為埠一(port1)

的反射損耗其餘為埠二三及四的插入損耗在工作頻率的範圍輸出埠的能

量差值在 2dB 以內而每個輸出埠在工作頻率的相位差為 20deg以內

接著我們利用圖 2-10 的分歧器輸出埠接上天線三元天線陣列如圖 2-13

觀察其反射損耗(圖 2-14)與輻射場型(圖 2-15)

圖 2-13三元天線陣列

15

圖 2-14三元天線陣列反射損耗

圖 2-15三元天線陣列在中心頻率 355GHz 模擬的輻射場型

由圖 2-14圖 2-15 了解到反射損耗在工作頻段(34GHz~37GHz)滿足要求

觀察輻射場型發現增益已可達到 12dBi此時再利用一組能量一分三的分歧器

設計總天線陣列預計為三乘以三共九個元素的天線陣列設計參數如表 2-2

16

Dielectric constant(topbottom) 44 44

Substrate thickness(topbottom) 08mm 16mm

Loss tangent 002

Air gap 5mm

Upper substrate size 250mm x 200mm

Ground size 300mm x 250mm

表 2-2天線陣列設計參數

圖 2-16 為天線陣列結構圖由於饋入網路阻抗匹配與相位差對天線陣列影

響非常大所以設計其信號饋入端為 50Ω以符合實際上使用的 SMA 接頭使

饋入網路匹配

圖 2-16天線陣列結構俯視圖

17

圖 2-17 為天線陣列在(a)34GHz(b)355GHz(c)37GHz 的輻射場型從圖

中可看出模擬與量測的輻射場型相當接近增益也能達到要求

(a)34GHz

(b)355GHz

18

(c)37GHz

圖 2-17天線陣列輻射場型

天線結構確定之後對於其輻射場型的分布需求要符合 ETSI-TS2 的規範

表 2-3 為 ETSI-TS2 對輻射場型分布的要求以下針對輻射場型與 ETSI-mask 做

一比較如圖 2-18 所示從圖中發現除了 34GHz 些微超出標準之外其餘頻

段都能滿足輻射場型要求之後會將改善的部份再做比較

表 2-3ETSI-TS2 對輻射場型分布之要求

19

(a)34GHz

(b)355GHz

(c)37GHz

圖 2-18天線陣列輻射場型與 ETSI-mask 之比較

20

圖 2-19 為天線陣列模擬與量測的反射損耗其工作頻率與設計之天線相去

不遠均包含 34GHz~37GHz圖 2-20 為實際量測的增益對頻率的變化圖其

增益的全頻段都能大於 14dBi其中某些頻率點可看出 E-plane 與 H-plane 所量

測到的最大增益值並不相同這主要的原因在於由饋入網路輸出端在在不同頻率

會有些微的相位差所致使得天線的最大增益值會些微偏移一個角度不過基

本上的趨勢還是相近

圖 2-19天線陣列模擬與量測之反射損耗

21

圖 2-20天線陣列增益對頻率圖

頻率(GHz) 33 34 35 36 37 38

E-plane 增益

(dBi) 1457 1619 1702 1634 1568 1429

H-plane 增益

(dB) 1421 1582 1624 1607 1581 1434

表 2-4天線陣列增益對頻率表

22

(a)俯視圖

(b)側視圖

圖 2-21天線陣列實體圖(a)俯視圖(b)側視圖

23

第三章 電磁帶隙結構與應用

(Electromagnetic Band-Gap Structure and Its Applications )

31 單位晶胞設計與截止帶比較

在天線中通常在較高之基板厚度及較大之介電常數時容易產生表面波

干擾天線輻射為了阻止表面波的傳遞論文中設計了高阻抗表面也就是所謂

的電磁帶隙(EBG)結構能有效抑制表面波提升天線效能

在近幾年許多微波領域的研究文獻利用光子能隙(Photonic Band-Gap

PBG)的概念也就是在介電係數成週期性排列的三維介電材料中電磁波經介

電函數散射後某些波段的電磁波強度會因破壞性干涉而呈現衰減無法在系統

內傳遞而在頻譜上形成截止帶[7][8]應用這個觀念在平面式傳輸線上設計具

有週期性幾何結構的電路造成電磁波在某些頻段無法傳遞而達到濾波的效果

由於使用於微波頻段所以稱此種結構為電磁帶隙或電磁能隙(Electromagnetic

Band-Gap EBG)結構

一個 EBG 結構電路時為一個電路之接地面在沿著某方向或平面做週期性

幾何結構變化所構成的電路如圖 3-1

圖 3-1一維 EBG 結構電路圖

利用 EBG 電路的週期性幾何結構形成一個電磁波的截止帶實線一個具

有寬頻與良好效能的帶止濾波器(Bandstop Filter)本論文使用共平面緊密電磁

帶隙結構(Uniplanar Compact EBG)如圖 3-2取代傳統的完整或切割連結通道

CellCell Cell Cell Cell d d d d TL TL TL TL

24

的平面結構每個單位細胞間以細線做連結細線提供了主要的電感效應每個

單位細胞間以狹縫做為區隔細狹縫間之互容效應與單位細胞之平面電容提供

了主要電容效應利用並接的電感電容效應來達到一寬頻的截止帶

圖 3-2EBG 結構集總電路圖

為了得到我們需要的截止帶首先模擬一個理想傳輸線當對照組(圖 3-3)

使用了介電常數值為 44 的 FR4 電路板厚度為 16mm觀察其反射損耗與插入

損耗從圖 3-4 了解到傳輸線從 1GHz 到 15GHz 反射損耗皆在-20dB 以下插入

損耗-3dB 以上

圖 3-3微帶傳輸線

(a) 俯視圖

(b) 側視圖

25

圖 3-4微帶傳輸線之反射損耗與插入損耗

利用電磁帶隙週期性二維的重複結構如圖 3-5可以找到我們所需要的截止

帶從微帶線的插入損耗可以明顯得到所設計的截止帶頻段跟單位晶胞的大小

成正相關整體電路的等效電感與等效電容越大相對的頻帶也會往低頻跑

(a)正面俯視圖 (b)背面俯視圖

圖 3-5微帶線加上 EBG 結構正面與背面

26

改變單位晶胞大小與截止帶之比較分別從(圖 3-6)4mm2(圖 3-7)6mm2(圖

3-8)8mm2(圖 3-9)10mm2的晶胞大小可以控制截止帶落在哪些區域

(b)反射損耗

a b

g

gs

h

(a)單位晶胞大小

a = 4 mmb = 37 mm s = g = 03 mm h = 18 mm

a

27

圖 3-6微帶線加上 4mm2EBG 結構之晶胞大小與 S 參數比較

從圖 3-6 可以得知從 10GHz 到 12GHz 有一較深之截止帶14GHz 之後也有

截止頻帶只是實驗目標以低頻為主故只模擬到 15GHz繼續改變晶胞大小

來設計低頻截止帶

a b

g

gs

h

(a)單位晶胞大小

a = 6 mm b = 57 mm s = g = 03 mm h = 28 mm

a

(c)插入損耗

28

圖 3-7微帶線加上 6mm2EBG 結構之晶胞大小與 S 參數比較

讓 EBG 晶胞變大(6mm2)跟預期結果相符可以得到更低頻的截止帶低頻帶

從 7GHz 到 9GHz高頻帶 10GHz 之後仍然存在極深之截止帶

(b)S參數比較圖

a bg

gs

h

(a)單位晶胞大小

a = 8 mm b = 76 mm s = g = 04 mm h = 37 mm

a

29

圖 3-8微帶線加上 8mm2EBG 結構之晶胞大小與 S 參數比較

從圖 3-8 的結果得到更低頻的截止帶座落於 43GHz~58GHz 及

61GHz~7GHz 由 於 論 文 中 所 設 計 的 WiMAX 天 線 陣 列 工 作 頻 率 在

34GHz~37GHz故需再將晶胞大小改變讓系統能夠共振在更低頻處

(b)S參數比較圖

a bg

gs

h

(a)單位晶胞大小

a = 10 mm b = 93 mm s = g = 07 mm h = 42 mm

a

30

圖 3-9微帶線加上 10mm2EBG 結構之晶胞大小與 S 參數比較

將週期性電磁帶隙結構結合微帶線可以設計出需要的截止帶圖 3-9 主要

的截止帶在 325GHz~4GHz 及 465GHz~58GHz已經達到需求的頻帶範圍下

個目標將結合微帶天線做改善與比較

(b)S參數比較圖

31

32 電磁帶隙結構包圍方式之探討

321 有限接地面的探討

由於設計的微帶天線主要是在邊射(Broad-side)方向輻射所以需要選擇一個

適當的接地面大小讓輻射場型得到一個最佳值理論上來說無限大的接地面

可以得到最平滑(Smooth)的輻射場型只在單邊輻射不會受到地面干擾實際

上在有限的空間必須選擇一個適當大小的接地面以符合成本與面積要求

而有限的接地面卻容易造成邊緣效應干擾[12]表面波在接地面邊緣產生繞射場

(Diffracted fields)形成新的波源以陣列因子的觀點來看多了新的波源會造

成輻射場型加乘上的消長如圖 3-10微帶貼片天線主要是以前後兩側差半波

長之邊輻射而有限接地面則會在邊緣產生感應磁流(Induced equivalent

magnetic current)如圖 3-11從電場的指向可以推得磁流的方向對照輻射

場型容易在邊射方向造成波紋(Ripple)

圖 3-10有限接地面產生之輻射場型比較圖

L

32

圖 3-11介質中電場指向之強弱分布與感應磁流方向

由於接地面的大小在 E-plane 會產生波紋來干擾輻射場型所以論文中以

EBG 週期性結構來做為一個完美磁導體(Perfect Magnetic ConductorPMC)也

就是人工 PMC(Artificial PMC)抑制邊緣電場的垂直入射減弱感應磁流的效

應以改善天線輻射場型

322 天線周圍包覆 PMC

傳統上 EBG 以圍滿的方式來改善微帶天線之增益與輻射[13]並透過晶胞

數的不斷增加來提高增益及改善輻射場型但晶胞數的增加將提高成本加大

EBG 面積及天線整體體積高達一定數量時反而會降低天線性能對於微帶貼

片天線而言EBG 在接地面太靠近天線輻射邊反而影響其輻射機制造成頻率

飄移因此論文中將探討 EBG 的包圍方式對天線性能之影響以有最佳效果

已知高阻抗表面可以阻擋介質中表面波的傳遞因此先透過理想 PMC 來代

替所設計之高阻抗表面 EBG 結構以分析其特性找出提升天性能的最佳包圍

33

方式

首先把天線周圍包覆 PMC 如圖 3-12以逼近的方式慢慢擴大 PMC 的面積

一圈 PMC 的寬度與設計的晶胞大小邊長一樣從輻射場型來看使用到第二圈

時可以得到最佳的輻射效能如圖 3-13PMC 包圍有其最佳範圍取得有效的包

圍方式可以讓天線輻射最佳化

圖 3-12天線周圍包覆 PMC

34

圖 3-13天線周圍包覆 PMC 之輻射場型比較

參考天線 一圈 PMC 二圈 PMC 三圈 PMC

0 度增益 357dBi 432dBi 545dBi 478dBi

增益改善 075dB 188dB 121dB

表 3-1天線周圍包覆 PMC 之增益改善比較

35

323 輻射邊兩側包覆 PMC

由於微帶天線之表面波傳遞方向以 xz 切面為主如圖 3-14因此在微帶天線

輻射邊的兩側擺放 EBG 結構以抑制其傳遞有效改善天線輻射場型首先使

用理想的 PMC 在天線輻射邊兩側包覆如圖 3-15對於 PMC 覆蓋面積的大小作一

探討變化 PMC 之覆蓋面積了解其對天線輻射場型的影響在邊射(broadside)

方向的輻射場型可以有效改善波紋讓旁波瓣(sidelobe)大幅度降低如圖 3-16

所示以兩列 PMC 可以達到較佳效果再增加一列 PMC 雖些許增加增益不

過 PMC 覆蓋的面積已達飽和因此從上述可知在結合 EBG 和微帶天線時

將有一最佳之覆蓋面積使用最適當之晶胞數來達到最佳的增益改善

圖 3-14表面波在介質空間中分布

36

圖 3-15輻射邊兩側包覆 PMC

圖 3-16輻射邊兩側包覆 PMC 之輻射場型比較

37

參考天線 一列 PMC 二列 PMC 三列 PMC

0 度增益 357dBi 528dBi 642dBi 644dBi

增益改善 171dB 285dB 287dB

表 3-2輻射邊兩側包覆 PMC 之增益改善比較

33 電磁帶隙結構結合單一微帶天線

以下將結合所設計之 EBG 結構和微帶天線以改善微帶天線之輻射場型干

擾從前述的探討先以圍繞式包圍天線做輻射場型比較如圖 3-17 所示

圖 3-17天線周圍包覆 EBG 之輻射場型比較

38

0 度增益

Ref patch antenna 357dBi

圍繞 EBG 572dBi

ΔGain 215dB

表 3-3天線周圍包覆 EBG 之增益改善比較

由於表面波之傳遞主要為 X 軸方向因此以 EBG 之較寬頻的維度來抑制 X

方向的表面波其結合方式如下以兩列 EBG 結構與天線結合比較如圖 3-18

圖 3-18輻射邊兩側包覆 EBG 之輻射場型比較

39

0 度增益

Ref patch antenna 357dBi

輻射邊包覆 EBG 577dBi

ΔGain 22dB

表 3-4輻射邊兩側包覆 EBG 之增益改善比較

兩種包覆 EBG 的情形做比較使用輻射邊兩側包覆 EBG 對表面波抑制可以

達到最直接的效果再對接地面做變化令輻射邊到接地面邊緣距離等於 15 倍

空氣中波長邊緣的等效感應磁流干擾最大在垂射(broadside)方向造成 30 度到

60 度的旁波瓣將晶胞數加到三列使得輻射場型能有最佳效果如圖 3-19 所示

圖 3-19較大接地面應用更多晶胞數改善輻射場型圖

40

34 電磁帶隙結構結合微帶天線陣列

第二章敘述之高增益天線陣列由於在 E-plane 產生較大之旁波瓣因此論

文將結合 EBG 結構與天線陣列改善輻射場型以符合 ETSI-TS2 規範要求

對原本的天線陣列與改善後的天線陣列作一比較如圖 3-20 為天線結構示意圖

俯視圖 yz 切面為表面波影響較大的面因此我們在 E-plane 兩側包覆 EBG使

用三列的 EBG 週期結構另外圖 3-21 為(a)34GHz(b)355GHz(c)37GHz

輻射場型在 E-plane 的改善比較可以發現在(a)跟(b)改善的效果特別明顯旁波

瓣減弱許多而(c)原本旁波瓣就不大所以改善較不明顯再跟 ETSI-mask 做

比較如圖 3-22改善後的天線陣列距離輻射場型標準線有較大之安全距離對實

作上的誤差影響會比較小以下針對輻射場型做一比較

圖 3-20原始天線陣列與應用 EBG 之天線陣列

41

(a)34GHz E-plane 輻射場型比較

(b)355GHz E-plane 輻射場型比較

(c)37GHz E-plane 輻射場型比較

圖 3-21原始天線陣列與應用 EBG 之天線陣列輻射場型比較

(a)34GHz (b)355GHz (c)37GHz

42

(a)34GHz E-plane

(b)355GHz E-plane

(a)37GHz E-plane

圖 3-22原始天線陣列與應用 EBG 之天線陣列與 ETSI-mask 比較

(a)34GHz (b)355GHz (c)37GHz

43

35 模擬與量測結果比較

由上述模擬的結果進行實作及量測的工作如圖 3-23 為微帶天線結合 EBG

結構的架構表 3-5 列出了板材的規格使用的基板是 FR4 玻璃纖維基板並架高

空氣高度為 5mm

Dielectric constant(topbottom) 44 44

Substrate thickness(topbottom) 08mm 16mm

Loss tangent 002

Air gap 5mm

Upper substrate size 250mm x 200mm

Ground size 300mm x 250mm

表 3-5天線陣列設計參數

圖 3-23應用 EBG 之天線陣列結構圖

44

圖 3-24 為天線陣列在 34GHz355GHz37GHz 的輻射場型從圖中可以

觀察模擬與量測場型蠻相近的

(a)34GHz

(b)355GHz

45

(c)37GHz

圖 3-24天線陣列輻射場型模擬與量測比較

對於其輻射場型的分布需求要符合 ETSI-TS2 的規範以下針對輻射場型與

ETSI-mask 做一比較如圖 3-25 所示從圖中發現實作及量測輻射場型全部

工作頻段都能滿足 mask 要求完成一組高增益天線陣列

(a)34GHz

46

(b)355GHz

(c)37GHz

圖 3-25天線陣列輻射場型與 ETSI-mask 比較

圖 3-26 為天線陣列模擬與量測的反射損耗其工作頻率與設計之天線相去

不遠均包含 34GHz~37GHz頻寬設計較大的原因在於避免外在因素造成的頻

飄量測出來可達 33GHz~39GHz略往高頻飄不過與設計的反射損耗相當接

近圖 3-27 為實際量測的增益對頻率的變化圖其增益的全頻段都能大於

14dBiE-plane 與 H-plane 也較為接近整理數據如表 3-6

47

圖 3-26天線陣列反射損耗模擬與量測比較

圖 3-27天線陣列增益對頻率圖

48

頻率(GHz) 33 34 35 36 37 38

E-plane 增益

(dBi) 1485 1591 1620 1687 1627 1507

H-plane 增益

(dBi) 1421 1565 1598 1629 1607 1518

表 3-6天線陣列增益對頻率表

49

圖 3-28 為實體圖俯視圖側視圖與 EBG 實際大小比較

(a) 俯視圖

(b) 側視圖(空氣高度=05mm)

(c)EBG 實體結構

圖 3-28天線陣列實體圖

50

第四章 結論

(Conclusion)

本論文主要是研究適用於基地台的 WiMAX 頻段高增益天線陣列並控制其

頻寬增益及輻射場型能夠符合 ETSI(European Telecommunication Standards

Institute)的規範在論文第二章中提出的高增益天線陣列是利用一個能量分歧

器把能量等效分成三份的饋入網路接上三組一樣的三元素陣列矩形微帶天線所

組成的天線陣列最高增益可達到 17dBi工作頻率的增益都能超過要求的

14dBi輻射場型符合 ETSI-TS2 規範另外本論文所提出的天線陣列為印刷式

天線不但具有輕量化的特性且大幅降低製作上的困難度也減輕了成本的負擔

透過本論文所設計之 EBG 可有效降低傳統 EBG 結構的製程僅以 FR4 板

材即可自行實作比較無須鉚釘並提出有效提升微帶天線增益的包圍方式在

有限的接地面下可選擇適當的晶胞數來改善天線陣列的輻射場型抑制表面波

對天線的干擾讓邊際效應產生的感應磁流干擾降到最低最後在實作及量測部

分驗證我們模擬的結果

51

參考文獻

[1] W L Stutzman and G A Thiele Antenna Theory and Design 2nd ed New York

Wiley 1998

[2] A Balanis Antenna Theory Analysis and Design New York Wiley 1997

[3] R Gardelli G La Cono and M Albani ldquoA low-cost suspended patch antenna for

WLAN access points and point-to-point linksrdquo IEEE Antennas and Propagat vol

3 no 1 pp 90-93 2004

[4] H F Pues and A R Van de capelle ldquoAn impedance-matching technique for

increasing the bandwidth of microstrip antennasrdquo IEEE Trans on Antennas and

Propagat vol 37 no 11 pp 1345-1354 Nov 1989

[5] Q Song and XndashX Zhang ldquoA study on wideband gap-coupled microstrip antenna

arraysrdquo IEEE Trans On Antennas and Propagat vol 43 no 3 pp 313-317 Mar

1995

[6] D Sievenpiper L Z Romulo F J Broas N G Alexopolous and E Yablonovitch

ldquoHigh-impedance electromagnetic surfaces with a forbidden frequency bandrdquo

IEEE Trans Microwave Theory Tech vol 47 no 11 pp 311-335 Nov 1999

[7] F-R Yang K-P Ma Y Qian and T Itoh ldquo A Uniplanar Compact

Photonic-Bandgap (UC-PBG) Structure and Its Applications for Microwave

Circuitsrdquo IEEE Trans MTT vol 47 Aug 1999

[8] M F Abedin M Z Azad and M Ali ldquo wideband smaller unit-cell planar EBG

structures and their applicationrdquo IEEE Trans On Antenna and Propagat vol 56

no 3 pp 903-908 Mar 2008

[9] I J Bahl and P Bhartia Microstrip Antennas Artech House 1980

[10] JR James and P S Hall Handbook of Microstrip Antennas LondonPeter

Peregrinus Ltd 1989

52

[11] K C Gupta R Garg I J Bahl P Bhartia Microstrip Lines and Slotlines 2nd ed

Norwood MAArtech House 1996

[12] T Namiki Y Murayama and K Ito ldquo Improving radiation-pattern distortion of a

patch antenna having a finite ground planerdquo IEEE Trans On Antenna and

Propagat vol 51 no 3 pp 478-482 Mar 2003

[13] R Coccioli F-R Yang K-P Ma and T Itoh ldquo Aperture-coupled patch antenna

on UC-PBG substraterdquo IEEE Trans Microwave Theory Tech vol 47 no 11 pp

2123-2130 Nov 1999

[14] F Yang and Y Rahmat-samii ldquo Microstrip antenna integrated with

electromagnetic band-gap (EBG) structure a low mutual coupling design for array

applicationrdquo IEEE Trans On Antenna and Propagat vol 51 no 10 pp

2936-2946 Oct2003

[15] Z Iluz R Shavit and R Bauer ldquo Microstrip antenna phased array with

electromagnetic bandgap substraterdquo IEEE Trans On Antenna and Propagat vol

52 no 6 pp 1446-1453 June 2004

  • 封面pdf
  • 摘要與目錄pdf
  • 論文_終稿_pdf
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 DEU 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FRA 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ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP 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 FRA ltFEFF005500740069006c006900730065007a00200063006500730020006f007000740069006f006e00730020006100660069006e00200064006500200063007200e900650072002000640065007300200064006f00630075006d0065006e00740073002000410064006f00620065002000500044004600200070006f007500720020006400650073002000e90070007200650075007600650073002000650074002000640065007300200069006d007000720065007300730069006f006e00730020006400650020006800610075007400650020007100750061006c0069007400e90020007300750072002000640065007300200069006d007000720069006d0061006e0074006500730020006400650020006200750072006500610075002e0020004c0065007300200064006f00630075006d0065006e00740073002000500044004600200063007200e900e90073002000700065007500760065006e0074002000ea0074007200650020006f007500760065007200740073002000640061006e00730020004100630072006f006200610074002c002000610069006e00730069002000710075002700410064006f00620065002000520065006100640065007200200035002e0030002000650074002000760065007200730069006f006e007300200075006c007400e90072006900650075007200650073002egt ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK 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13

222 高增益天線陣列設計

首先以微帶線並聯的饋入結構設計能量一分三的網路再利用傳輸線作阻

抗的匹配[13]最後再以其寬頻的特性饋入到天線陣列圖 2-10 為饋入網路示意

圖圖 2-11 及圖 2-12 分別為饋入網路之反射損耗(Return Loss)插入損耗

(Insertion Loss)以及各輸出埠相位圖

圖 2-10饋入網路示意圖

圖 2-11天線陣列饋入網路之反射損耗及插入損耗模擬圖

14

圖 2-12天線陣列饋入網路各輸出埠相位差

從圖 2-11 可以發現各輸出埠的能量在不同頻率的變化實線為埠一(port1)

的反射損耗其餘為埠二三及四的插入損耗在工作頻率的範圍輸出埠的能

量差值在 2dB 以內而每個輸出埠在工作頻率的相位差為 20deg以內

接著我們利用圖 2-10 的分歧器輸出埠接上天線三元天線陣列如圖 2-13

觀察其反射損耗(圖 2-14)與輻射場型(圖 2-15)

圖 2-13三元天線陣列

15

圖 2-14三元天線陣列反射損耗

圖 2-15三元天線陣列在中心頻率 355GHz 模擬的輻射場型

由圖 2-14圖 2-15 了解到反射損耗在工作頻段(34GHz~37GHz)滿足要求

觀察輻射場型發現增益已可達到 12dBi此時再利用一組能量一分三的分歧器

設計總天線陣列預計為三乘以三共九個元素的天線陣列設計參數如表 2-2

16

Dielectric constant(topbottom) 44 44

Substrate thickness(topbottom) 08mm 16mm

Loss tangent 002

Air gap 5mm

Upper substrate size 250mm x 200mm

Ground size 300mm x 250mm

表 2-2天線陣列設計參數

圖 2-16 為天線陣列結構圖由於饋入網路阻抗匹配與相位差對天線陣列影

響非常大所以設計其信號饋入端為 50Ω以符合實際上使用的 SMA 接頭使

饋入網路匹配

圖 2-16天線陣列結構俯視圖

17

圖 2-17 為天線陣列在(a)34GHz(b)355GHz(c)37GHz 的輻射場型從圖

中可看出模擬與量測的輻射場型相當接近增益也能達到要求

(a)34GHz

(b)355GHz

18

(c)37GHz

圖 2-17天線陣列輻射場型

天線結構確定之後對於其輻射場型的分布需求要符合 ETSI-TS2 的規範

表 2-3 為 ETSI-TS2 對輻射場型分布的要求以下針對輻射場型與 ETSI-mask 做

一比較如圖 2-18 所示從圖中發現除了 34GHz 些微超出標準之外其餘頻

段都能滿足輻射場型要求之後會將改善的部份再做比較

表 2-3ETSI-TS2 對輻射場型分布之要求

19

(a)34GHz

(b)355GHz

(c)37GHz

圖 2-18天線陣列輻射場型與 ETSI-mask 之比較

20

圖 2-19 為天線陣列模擬與量測的反射損耗其工作頻率與設計之天線相去

不遠均包含 34GHz~37GHz圖 2-20 為實際量測的增益對頻率的變化圖其

增益的全頻段都能大於 14dBi其中某些頻率點可看出 E-plane 與 H-plane 所量

測到的最大增益值並不相同這主要的原因在於由饋入網路輸出端在在不同頻率

會有些微的相位差所致使得天線的最大增益值會些微偏移一個角度不過基

本上的趨勢還是相近

圖 2-19天線陣列模擬與量測之反射損耗

21

圖 2-20天線陣列增益對頻率圖

頻率(GHz) 33 34 35 36 37 38

E-plane 增益

(dBi) 1457 1619 1702 1634 1568 1429

H-plane 增益

(dB) 1421 1582 1624 1607 1581 1434

表 2-4天線陣列增益對頻率表

22

(a)俯視圖

(b)側視圖

圖 2-21天線陣列實體圖(a)俯視圖(b)側視圖

23

第三章 電磁帶隙結構與應用

(Electromagnetic Band-Gap Structure and Its Applications )

31 單位晶胞設計與截止帶比較

在天線中通常在較高之基板厚度及較大之介電常數時容易產生表面波

干擾天線輻射為了阻止表面波的傳遞論文中設計了高阻抗表面也就是所謂

的電磁帶隙(EBG)結構能有效抑制表面波提升天線效能

在近幾年許多微波領域的研究文獻利用光子能隙(Photonic Band-Gap

PBG)的概念也就是在介電係數成週期性排列的三維介電材料中電磁波經介

電函數散射後某些波段的電磁波強度會因破壞性干涉而呈現衰減無法在系統

內傳遞而在頻譜上形成截止帶[7][8]應用這個觀念在平面式傳輸線上設計具

有週期性幾何結構的電路造成電磁波在某些頻段無法傳遞而達到濾波的效果

由於使用於微波頻段所以稱此種結構為電磁帶隙或電磁能隙(Electromagnetic

Band-Gap EBG)結構

一個 EBG 結構電路時為一個電路之接地面在沿著某方向或平面做週期性

幾何結構變化所構成的電路如圖 3-1

圖 3-1一維 EBG 結構電路圖

利用 EBG 電路的週期性幾何結構形成一個電磁波的截止帶實線一個具

有寬頻與良好效能的帶止濾波器(Bandstop Filter)本論文使用共平面緊密電磁

帶隙結構(Uniplanar Compact EBG)如圖 3-2取代傳統的完整或切割連結通道

CellCell Cell Cell Cell d d d d TL TL TL TL

24

的平面結構每個單位細胞間以細線做連結細線提供了主要的電感效應每個

單位細胞間以狹縫做為區隔細狹縫間之互容效應與單位細胞之平面電容提供

了主要電容效應利用並接的電感電容效應來達到一寬頻的截止帶

圖 3-2EBG 結構集總電路圖

為了得到我們需要的截止帶首先模擬一個理想傳輸線當對照組(圖 3-3)

使用了介電常數值為 44 的 FR4 電路板厚度為 16mm觀察其反射損耗與插入

損耗從圖 3-4 了解到傳輸線從 1GHz 到 15GHz 反射損耗皆在-20dB 以下插入

損耗-3dB 以上

圖 3-3微帶傳輸線

(a) 俯視圖

(b) 側視圖

25

圖 3-4微帶傳輸線之反射損耗與插入損耗

利用電磁帶隙週期性二維的重複結構如圖 3-5可以找到我們所需要的截止

帶從微帶線的插入損耗可以明顯得到所設計的截止帶頻段跟單位晶胞的大小

成正相關整體電路的等效電感與等效電容越大相對的頻帶也會往低頻跑

(a)正面俯視圖 (b)背面俯視圖

圖 3-5微帶線加上 EBG 結構正面與背面

26

改變單位晶胞大小與截止帶之比較分別從(圖 3-6)4mm2(圖 3-7)6mm2(圖

3-8)8mm2(圖 3-9)10mm2的晶胞大小可以控制截止帶落在哪些區域

(b)反射損耗

a b

g

gs

h

(a)單位晶胞大小

a = 4 mmb = 37 mm s = g = 03 mm h = 18 mm

a

27

圖 3-6微帶線加上 4mm2EBG 結構之晶胞大小與 S 參數比較

從圖 3-6 可以得知從 10GHz 到 12GHz 有一較深之截止帶14GHz 之後也有

截止頻帶只是實驗目標以低頻為主故只模擬到 15GHz繼續改變晶胞大小

來設計低頻截止帶

a b

g

gs

h

(a)單位晶胞大小

a = 6 mm b = 57 mm s = g = 03 mm h = 28 mm

a

(c)插入損耗

28

圖 3-7微帶線加上 6mm2EBG 結構之晶胞大小與 S 參數比較

讓 EBG 晶胞變大(6mm2)跟預期結果相符可以得到更低頻的截止帶低頻帶

從 7GHz 到 9GHz高頻帶 10GHz 之後仍然存在極深之截止帶

(b)S參數比較圖

a bg

gs

h

(a)單位晶胞大小

a = 8 mm b = 76 mm s = g = 04 mm h = 37 mm

a

29

圖 3-8微帶線加上 8mm2EBG 結構之晶胞大小與 S 參數比較

從圖 3-8 的結果得到更低頻的截止帶座落於 43GHz~58GHz 及

61GHz~7GHz 由 於 論 文 中 所 設 計 的 WiMAX 天 線 陣 列 工 作 頻 率 在

34GHz~37GHz故需再將晶胞大小改變讓系統能夠共振在更低頻處

(b)S參數比較圖

a bg

gs

h

(a)單位晶胞大小

a = 10 mm b = 93 mm s = g = 07 mm h = 42 mm

a

30

圖 3-9微帶線加上 10mm2EBG 結構之晶胞大小與 S 參數比較

將週期性電磁帶隙結構結合微帶線可以設計出需要的截止帶圖 3-9 主要

的截止帶在 325GHz~4GHz 及 465GHz~58GHz已經達到需求的頻帶範圍下

個目標將結合微帶天線做改善與比較

(b)S參數比較圖

31

32 電磁帶隙結構包圍方式之探討

321 有限接地面的探討

由於設計的微帶天線主要是在邊射(Broad-side)方向輻射所以需要選擇一個

適當的接地面大小讓輻射場型得到一個最佳值理論上來說無限大的接地面

可以得到最平滑(Smooth)的輻射場型只在單邊輻射不會受到地面干擾實際

上在有限的空間必須選擇一個適當大小的接地面以符合成本與面積要求

而有限的接地面卻容易造成邊緣效應干擾[12]表面波在接地面邊緣產生繞射場

(Diffracted fields)形成新的波源以陣列因子的觀點來看多了新的波源會造

成輻射場型加乘上的消長如圖 3-10微帶貼片天線主要是以前後兩側差半波

長之邊輻射而有限接地面則會在邊緣產生感應磁流(Induced equivalent

magnetic current)如圖 3-11從電場的指向可以推得磁流的方向對照輻射

場型容易在邊射方向造成波紋(Ripple)

圖 3-10有限接地面產生之輻射場型比較圖

L

32

圖 3-11介質中電場指向之強弱分布與感應磁流方向

由於接地面的大小在 E-plane 會產生波紋來干擾輻射場型所以論文中以

EBG 週期性結構來做為一個完美磁導體(Perfect Magnetic ConductorPMC)也

就是人工 PMC(Artificial PMC)抑制邊緣電場的垂直入射減弱感應磁流的效

應以改善天線輻射場型

322 天線周圍包覆 PMC

傳統上 EBG 以圍滿的方式來改善微帶天線之增益與輻射[13]並透過晶胞

數的不斷增加來提高增益及改善輻射場型但晶胞數的增加將提高成本加大

EBG 面積及天線整體體積高達一定數量時反而會降低天線性能對於微帶貼

片天線而言EBG 在接地面太靠近天線輻射邊反而影響其輻射機制造成頻率

飄移因此論文中將探討 EBG 的包圍方式對天線性能之影響以有最佳效果

已知高阻抗表面可以阻擋介質中表面波的傳遞因此先透過理想 PMC 來代

替所設計之高阻抗表面 EBG 結構以分析其特性找出提升天性能的最佳包圍

33

方式

首先把天線周圍包覆 PMC 如圖 3-12以逼近的方式慢慢擴大 PMC 的面積

一圈 PMC 的寬度與設計的晶胞大小邊長一樣從輻射場型來看使用到第二圈

時可以得到最佳的輻射效能如圖 3-13PMC 包圍有其最佳範圍取得有效的包

圍方式可以讓天線輻射最佳化

圖 3-12天線周圍包覆 PMC

34

圖 3-13天線周圍包覆 PMC 之輻射場型比較

參考天線 一圈 PMC 二圈 PMC 三圈 PMC

0 度增益 357dBi 432dBi 545dBi 478dBi

增益改善 075dB 188dB 121dB

表 3-1天線周圍包覆 PMC 之增益改善比較

35

323 輻射邊兩側包覆 PMC

由於微帶天線之表面波傳遞方向以 xz 切面為主如圖 3-14因此在微帶天線

輻射邊的兩側擺放 EBG 結構以抑制其傳遞有效改善天線輻射場型首先使

用理想的 PMC 在天線輻射邊兩側包覆如圖 3-15對於 PMC 覆蓋面積的大小作一

探討變化 PMC 之覆蓋面積了解其對天線輻射場型的影響在邊射(broadside)

方向的輻射場型可以有效改善波紋讓旁波瓣(sidelobe)大幅度降低如圖 3-16

所示以兩列 PMC 可以達到較佳效果再增加一列 PMC 雖些許增加增益不

過 PMC 覆蓋的面積已達飽和因此從上述可知在結合 EBG 和微帶天線時

將有一最佳之覆蓋面積使用最適當之晶胞數來達到最佳的增益改善

圖 3-14表面波在介質空間中分布

36

圖 3-15輻射邊兩側包覆 PMC

圖 3-16輻射邊兩側包覆 PMC 之輻射場型比較

37

參考天線 一列 PMC 二列 PMC 三列 PMC

0 度增益 357dBi 528dBi 642dBi 644dBi

增益改善 171dB 285dB 287dB

表 3-2輻射邊兩側包覆 PMC 之增益改善比較

33 電磁帶隙結構結合單一微帶天線

以下將結合所設計之 EBG 結構和微帶天線以改善微帶天線之輻射場型干

擾從前述的探討先以圍繞式包圍天線做輻射場型比較如圖 3-17 所示

圖 3-17天線周圍包覆 EBG 之輻射場型比較

38

0 度增益

Ref patch antenna 357dBi

圍繞 EBG 572dBi

ΔGain 215dB

表 3-3天線周圍包覆 EBG 之增益改善比較

由於表面波之傳遞主要為 X 軸方向因此以 EBG 之較寬頻的維度來抑制 X

方向的表面波其結合方式如下以兩列 EBG 結構與天線結合比較如圖 3-18

圖 3-18輻射邊兩側包覆 EBG 之輻射場型比較

39

0 度增益

Ref patch antenna 357dBi

輻射邊包覆 EBG 577dBi

ΔGain 22dB

表 3-4輻射邊兩側包覆 EBG 之增益改善比較

兩種包覆 EBG 的情形做比較使用輻射邊兩側包覆 EBG 對表面波抑制可以

達到最直接的效果再對接地面做變化令輻射邊到接地面邊緣距離等於 15 倍

空氣中波長邊緣的等效感應磁流干擾最大在垂射(broadside)方向造成 30 度到

60 度的旁波瓣將晶胞數加到三列使得輻射場型能有最佳效果如圖 3-19 所示

圖 3-19較大接地面應用更多晶胞數改善輻射場型圖

40

34 電磁帶隙結構結合微帶天線陣列

第二章敘述之高增益天線陣列由於在 E-plane 產生較大之旁波瓣因此論

文將結合 EBG 結構與天線陣列改善輻射場型以符合 ETSI-TS2 規範要求

對原本的天線陣列與改善後的天線陣列作一比較如圖 3-20 為天線結構示意圖

俯視圖 yz 切面為表面波影響較大的面因此我們在 E-plane 兩側包覆 EBG使

用三列的 EBG 週期結構另外圖 3-21 為(a)34GHz(b)355GHz(c)37GHz

輻射場型在 E-plane 的改善比較可以發現在(a)跟(b)改善的效果特別明顯旁波

瓣減弱許多而(c)原本旁波瓣就不大所以改善較不明顯再跟 ETSI-mask 做

比較如圖 3-22改善後的天線陣列距離輻射場型標準線有較大之安全距離對實

作上的誤差影響會比較小以下針對輻射場型做一比較

圖 3-20原始天線陣列與應用 EBG 之天線陣列

41

(a)34GHz E-plane 輻射場型比較

(b)355GHz E-plane 輻射場型比較

(c)37GHz E-plane 輻射場型比較

圖 3-21原始天線陣列與應用 EBG 之天線陣列輻射場型比較

(a)34GHz (b)355GHz (c)37GHz

42

(a)34GHz E-plane

(b)355GHz E-plane

(a)37GHz E-plane

圖 3-22原始天線陣列與應用 EBG 之天線陣列與 ETSI-mask 比較

(a)34GHz (b)355GHz (c)37GHz

43

35 模擬與量測結果比較

由上述模擬的結果進行實作及量測的工作如圖 3-23 為微帶天線結合 EBG

結構的架構表 3-5 列出了板材的規格使用的基板是 FR4 玻璃纖維基板並架高

空氣高度為 5mm

Dielectric constant(topbottom) 44 44

Substrate thickness(topbottom) 08mm 16mm

Loss tangent 002

Air gap 5mm

Upper substrate size 250mm x 200mm

Ground size 300mm x 250mm

表 3-5天線陣列設計參數

圖 3-23應用 EBG 之天線陣列結構圖

44

圖 3-24 為天線陣列在 34GHz355GHz37GHz 的輻射場型從圖中可以

觀察模擬與量測場型蠻相近的

(a)34GHz

(b)355GHz

45

(c)37GHz

圖 3-24天線陣列輻射場型模擬與量測比較

對於其輻射場型的分布需求要符合 ETSI-TS2 的規範以下針對輻射場型與

ETSI-mask 做一比較如圖 3-25 所示從圖中發現實作及量測輻射場型全部

工作頻段都能滿足 mask 要求完成一組高增益天線陣列

(a)34GHz

46

(b)355GHz

(c)37GHz

圖 3-25天線陣列輻射場型與 ETSI-mask 比較

圖 3-26 為天線陣列模擬與量測的反射損耗其工作頻率與設計之天線相去

不遠均包含 34GHz~37GHz頻寬設計較大的原因在於避免外在因素造成的頻

飄量測出來可達 33GHz~39GHz略往高頻飄不過與設計的反射損耗相當接

近圖 3-27 為實際量測的增益對頻率的變化圖其增益的全頻段都能大於

14dBiE-plane 與 H-plane 也較為接近整理數據如表 3-6

47

圖 3-26天線陣列反射損耗模擬與量測比較

圖 3-27天線陣列增益對頻率圖

48

頻率(GHz) 33 34 35 36 37 38

E-plane 增益

(dBi) 1485 1591 1620 1687 1627 1507

H-plane 增益

(dBi) 1421 1565 1598 1629 1607 1518

表 3-6天線陣列增益對頻率表

49

圖 3-28 為實體圖俯視圖側視圖與 EBG 實際大小比較

(a) 俯視圖

(b) 側視圖(空氣高度=05mm)

(c)EBG 實體結構

圖 3-28天線陣列實體圖

50

第四章 結論

(Conclusion)

本論文主要是研究適用於基地台的 WiMAX 頻段高增益天線陣列並控制其

頻寬增益及輻射場型能夠符合 ETSI(European Telecommunication Standards

Institute)的規範在論文第二章中提出的高增益天線陣列是利用一個能量分歧

器把能量等效分成三份的饋入網路接上三組一樣的三元素陣列矩形微帶天線所

組成的天線陣列最高增益可達到 17dBi工作頻率的增益都能超過要求的

14dBi輻射場型符合 ETSI-TS2 規範另外本論文所提出的天線陣列為印刷式

天線不但具有輕量化的特性且大幅降低製作上的困難度也減輕了成本的負擔

透過本論文所設計之 EBG 可有效降低傳統 EBG 結構的製程僅以 FR4 板

材即可自行實作比較無須鉚釘並提出有效提升微帶天線增益的包圍方式在

有限的接地面下可選擇適當的晶胞數來改善天線陣列的輻射場型抑制表面波

對天線的干擾讓邊際效應產生的感應磁流干擾降到最低最後在實作及量測部

分驗證我們模擬的結果

51

參考文獻

[1] W L Stutzman and G A Thiele Antenna Theory and Design 2nd ed New York

Wiley 1998

[2] A Balanis Antenna Theory Analysis and Design New York Wiley 1997

[3] R Gardelli G La Cono and M Albani ldquoA low-cost suspended patch antenna for

WLAN access points and point-to-point linksrdquo IEEE Antennas and Propagat vol

3 no 1 pp 90-93 2004

[4] H F Pues and A R Van de capelle ldquoAn impedance-matching technique for

increasing the bandwidth of microstrip antennasrdquo IEEE Trans on Antennas and

Propagat vol 37 no 11 pp 1345-1354 Nov 1989

[5] Q Song and XndashX Zhang ldquoA study on wideband gap-coupled microstrip antenna

arraysrdquo IEEE Trans On Antennas and Propagat vol 43 no 3 pp 313-317 Mar

1995

[6] D Sievenpiper L Z Romulo F J Broas N G Alexopolous and E Yablonovitch

ldquoHigh-impedance electromagnetic surfaces with a forbidden frequency bandrdquo

IEEE Trans Microwave Theory Tech vol 47 no 11 pp 311-335 Nov 1999

[7] F-R Yang K-P Ma Y Qian and T Itoh ldquo A Uniplanar Compact

Photonic-Bandgap (UC-PBG) Structure and Its Applications for Microwave

Circuitsrdquo IEEE Trans MTT vol 47 Aug 1999

[8] M F Abedin M Z Azad and M Ali ldquo wideband smaller unit-cell planar EBG

structures and their applicationrdquo IEEE Trans On Antenna and Propagat vol 56

no 3 pp 903-908 Mar 2008

[9] I J Bahl and P Bhartia Microstrip Antennas Artech House 1980

[10] JR James and P S Hall Handbook of Microstrip Antennas LondonPeter

Peregrinus Ltd 1989

52

[11] K C Gupta R Garg I J Bahl P Bhartia Microstrip Lines and Slotlines 2nd ed

Norwood MAArtech House 1996

[12] T Namiki Y Murayama and K Ito ldquo Improving radiation-pattern distortion of a

patch antenna having a finite ground planerdquo IEEE Trans On Antenna and

Propagat vol 51 no 3 pp 478-482 Mar 2003

[13] R Coccioli F-R Yang K-P Ma and T Itoh ldquo Aperture-coupled patch antenna

on UC-PBG substraterdquo IEEE Trans Microwave Theory Tech vol 47 no 11 pp

2123-2130 Nov 1999

[14] F Yang and Y Rahmat-samii ldquo Microstrip antenna integrated with

electromagnetic band-gap (EBG) structure a low mutual coupling design for array

applicationrdquo IEEE Trans On Antenna and Propagat vol 51 no 10 pp

2936-2946 Oct2003

[15] Z Iluz R Shavit and R Bauer ldquo Microstrip antenna phased array with

electromagnetic bandgap substraterdquo IEEE Trans On Antenna and Propagat vol

52 no 6 pp 1446-1453 June 2004

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false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP 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 FRA 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 ITA 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 JPN ltFEFF9ad854c18cea51fa529b7528002000410064006f0062006500200050004400460020658766f8306e4f5c6210306b4f7f75283057307e30593002537052376642306e753b8cea3092670059279650306b4fdd306430533068304c3067304d307e3059300230c730b930af30c830c330d730d730ea30f330bf3067306e53705237307e305f306f30d730eb30fc30d57528306b9069305730663044307e305930023053306e8a2d5b9a30674f5c62103055308c305f0020005000440046002030d530a130a430eb306f3001004100630072006f0062006100740020304a30883073002000410064006f00620065002000520065006100640065007200200035002e003000204ee5964d3067958b304f30533068304c3067304d307e30593002gt KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP 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 FRA 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 ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN ltFEFF004200720075006700200069006e0064007300740069006c006c0069006e006700650072006e0065002000740069006c0020006100740020006f007000720065007400740065002000410064006f006200650020005000440046002d0064006f006b0075006d0065006e007400650072002000740069006c0020006b00760061006c00690074006500740073007500640073006b007200690076006e0069006e006700200065006c006c006500720020006b006f007200720065006b007400750072006c00e60073006e0069006e0067002e0020004400650020006f007000720065007400740065006400650020005000440046002d0064006f006b0075006d0065006e0074006500720020006b0061006e002000e50062006e00650073002000690020004100630072006f00620061007400200065006c006c006500720020004100630072006f006200610074002000520065006100640065007200200035002e00300020006f00670020006e0079006500720065002egt DEU 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 ESP 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 FRA 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 ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 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14

圖 2-12天線陣列饋入網路各輸出埠相位差

從圖 2-11 可以發現各輸出埠的能量在不同頻率的變化實線為埠一(port1)

的反射損耗其餘為埠二三及四的插入損耗在工作頻率的範圍輸出埠的能

量差值在 2dB 以內而每個輸出埠在工作頻率的相位差為 20deg以內

接著我們利用圖 2-10 的分歧器輸出埠接上天線三元天線陣列如圖 2-13

觀察其反射損耗(圖 2-14)與輻射場型(圖 2-15)

圖 2-13三元天線陣列

15

圖 2-14三元天線陣列反射損耗

圖 2-15三元天線陣列在中心頻率 355GHz 模擬的輻射場型

由圖 2-14圖 2-15 了解到反射損耗在工作頻段(34GHz~37GHz)滿足要求

觀察輻射場型發現增益已可達到 12dBi此時再利用一組能量一分三的分歧器

設計總天線陣列預計為三乘以三共九個元素的天線陣列設計參數如表 2-2

16

Dielectric constant(topbottom) 44 44

Substrate thickness(topbottom) 08mm 16mm

Loss tangent 002

Air gap 5mm

Upper substrate size 250mm x 200mm

Ground size 300mm x 250mm

表 2-2天線陣列設計參數

圖 2-16 為天線陣列結構圖由於饋入網路阻抗匹配與相位差對天線陣列影

響非常大所以設計其信號饋入端為 50Ω以符合實際上使用的 SMA 接頭使

饋入網路匹配

圖 2-16天線陣列結構俯視圖

17

圖 2-17 為天線陣列在(a)34GHz(b)355GHz(c)37GHz 的輻射場型從圖

中可看出模擬與量測的輻射場型相當接近增益也能達到要求

(a)34GHz

(b)355GHz

18

(c)37GHz

圖 2-17天線陣列輻射場型

天線結構確定之後對於其輻射場型的分布需求要符合 ETSI-TS2 的規範

表 2-3 為 ETSI-TS2 對輻射場型分布的要求以下針對輻射場型與 ETSI-mask 做

一比較如圖 2-18 所示從圖中發現除了 34GHz 些微超出標準之外其餘頻

段都能滿足輻射場型要求之後會將改善的部份再做比較

表 2-3ETSI-TS2 對輻射場型分布之要求

19

(a)34GHz

(b)355GHz

(c)37GHz

圖 2-18天線陣列輻射場型與 ETSI-mask 之比較

20

圖 2-19 為天線陣列模擬與量測的反射損耗其工作頻率與設計之天線相去

不遠均包含 34GHz~37GHz圖 2-20 為實際量測的增益對頻率的變化圖其

增益的全頻段都能大於 14dBi其中某些頻率點可看出 E-plane 與 H-plane 所量

測到的最大增益值並不相同這主要的原因在於由饋入網路輸出端在在不同頻率

會有些微的相位差所致使得天線的最大增益值會些微偏移一個角度不過基

本上的趨勢還是相近

圖 2-19天線陣列模擬與量測之反射損耗

21

圖 2-20天線陣列增益對頻率圖

頻率(GHz) 33 34 35 36 37 38

E-plane 增益

(dBi) 1457 1619 1702 1634 1568 1429

H-plane 增益

(dB) 1421 1582 1624 1607 1581 1434

表 2-4天線陣列增益對頻率表

22

(a)俯視圖

(b)側視圖

圖 2-21天線陣列實體圖(a)俯視圖(b)側視圖

23

第三章 電磁帶隙結構與應用

(Electromagnetic Band-Gap Structure and Its Applications )

31 單位晶胞設計與截止帶比較

在天線中通常在較高之基板厚度及較大之介電常數時容易產生表面波

干擾天線輻射為了阻止表面波的傳遞論文中設計了高阻抗表面也就是所謂

的電磁帶隙(EBG)結構能有效抑制表面波提升天線效能

在近幾年許多微波領域的研究文獻利用光子能隙(Photonic Band-Gap

PBG)的概念也就是在介電係數成週期性排列的三維介電材料中電磁波經介

電函數散射後某些波段的電磁波強度會因破壞性干涉而呈現衰減無法在系統

內傳遞而在頻譜上形成截止帶[7][8]應用這個觀念在平面式傳輸線上設計具

有週期性幾何結構的電路造成電磁波在某些頻段無法傳遞而達到濾波的效果

由於使用於微波頻段所以稱此種結構為電磁帶隙或電磁能隙(Electromagnetic

Band-Gap EBG)結構

一個 EBG 結構電路時為一個電路之接地面在沿著某方向或平面做週期性

幾何結構變化所構成的電路如圖 3-1

圖 3-1一維 EBG 結構電路圖

利用 EBG 電路的週期性幾何結構形成一個電磁波的截止帶實線一個具

有寬頻與良好效能的帶止濾波器(Bandstop Filter)本論文使用共平面緊密電磁

帶隙結構(Uniplanar Compact EBG)如圖 3-2取代傳統的完整或切割連結通道

CellCell Cell Cell Cell d d d d TL TL TL TL

24

的平面結構每個單位細胞間以細線做連結細線提供了主要的電感效應每個

單位細胞間以狹縫做為區隔細狹縫間之互容效應與單位細胞之平面電容提供

了主要電容效應利用並接的電感電容效應來達到一寬頻的截止帶

圖 3-2EBG 結構集總電路圖

為了得到我們需要的截止帶首先模擬一個理想傳輸線當對照組(圖 3-3)

使用了介電常數值為 44 的 FR4 電路板厚度為 16mm觀察其反射損耗與插入

損耗從圖 3-4 了解到傳輸線從 1GHz 到 15GHz 反射損耗皆在-20dB 以下插入

損耗-3dB 以上

圖 3-3微帶傳輸線

(a) 俯視圖

(b) 側視圖

25

圖 3-4微帶傳輸線之反射損耗與插入損耗

利用電磁帶隙週期性二維的重複結構如圖 3-5可以找到我們所需要的截止

帶從微帶線的插入損耗可以明顯得到所設計的截止帶頻段跟單位晶胞的大小

成正相關整體電路的等效電感與等效電容越大相對的頻帶也會往低頻跑

(a)正面俯視圖 (b)背面俯視圖

圖 3-5微帶線加上 EBG 結構正面與背面

26

改變單位晶胞大小與截止帶之比較分別從(圖 3-6)4mm2(圖 3-7)6mm2(圖

3-8)8mm2(圖 3-9)10mm2的晶胞大小可以控制截止帶落在哪些區域

(b)反射損耗

a b

g

gs

h

(a)單位晶胞大小

a = 4 mmb = 37 mm s = g = 03 mm h = 18 mm

a

27

圖 3-6微帶線加上 4mm2EBG 結構之晶胞大小與 S 參數比較

從圖 3-6 可以得知從 10GHz 到 12GHz 有一較深之截止帶14GHz 之後也有

截止頻帶只是實驗目標以低頻為主故只模擬到 15GHz繼續改變晶胞大小

來設計低頻截止帶

a b

g

gs

h

(a)單位晶胞大小

a = 6 mm b = 57 mm s = g = 03 mm h = 28 mm

a

(c)插入損耗

28

圖 3-7微帶線加上 6mm2EBG 結構之晶胞大小與 S 參數比較

讓 EBG 晶胞變大(6mm2)跟預期結果相符可以得到更低頻的截止帶低頻帶

從 7GHz 到 9GHz高頻帶 10GHz 之後仍然存在極深之截止帶

(b)S參數比較圖

a bg

gs

h

(a)單位晶胞大小

a = 8 mm b = 76 mm s = g = 04 mm h = 37 mm

a

29

圖 3-8微帶線加上 8mm2EBG 結構之晶胞大小與 S 參數比較

從圖 3-8 的結果得到更低頻的截止帶座落於 43GHz~58GHz 及

61GHz~7GHz 由 於 論 文 中 所 設 計 的 WiMAX 天 線 陣 列 工 作 頻 率 在

34GHz~37GHz故需再將晶胞大小改變讓系統能夠共振在更低頻處

(b)S參數比較圖

a bg

gs

h

(a)單位晶胞大小

a = 10 mm b = 93 mm s = g = 07 mm h = 42 mm

a

30

圖 3-9微帶線加上 10mm2EBG 結構之晶胞大小與 S 參數比較

將週期性電磁帶隙結構結合微帶線可以設計出需要的截止帶圖 3-9 主要

的截止帶在 325GHz~4GHz 及 465GHz~58GHz已經達到需求的頻帶範圍下

個目標將結合微帶天線做改善與比較

(b)S參數比較圖

31

32 電磁帶隙結構包圍方式之探討

321 有限接地面的探討

由於設計的微帶天線主要是在邊射(Broad-side)方向輻射所以需要選擇一個

適當的接地面大小讓輻射場型得到一個最佳值理論上來說無限大的接地面

可以得到最平滑(Smooth)的輻射場型只在單邊輻射不會受到地面干擾實際

上在有限的空間必須選擇一個適當大小的接地面以符合成本與面積要求

而有限的接地面卻容易造成邊緣效應干擾[12]表面波在接地面邊緣產生繞射場

(Diffracted fields)形成新的波源以陣列因子的觀點來看多了新的波源會造

成輻射場型加乘上的消長如圖 3-10微帶貼片天線主要是以前後兩側差半波

長之邊輻射而有限接地面則會在邊緣產生感應磁流(Induced equivalent

magnetic current)如圖 3-11從電場的指向可以推得磁流的方向對照輻射

場型容易在邊射方向造成波紋(Ripple)

圖 3-10有限接地面產生之輻射場型比較圖

L

32

圖 3-11介質中電場指向之強弱分布與感應磁流方向

由於接地面的大小在 E-plane 會產生波紋來干擾輻射場型所以論文中以

EBG 週期性結構來做為一個完美磁導體(Perfect Magnetic ConductorPMC)也

就是人工 PMC(Artificial PMC)抑制邊緣電場的垂直入射減弱感應磁流的效

應以改善天線輻射場型

322 天線周圍包覆 PMC

傳統上 EBG 以圍滿的方式來改善微帶天線之增益與輻射[13]並透過晶胞

數的不斷增加來提高增益及改善輻射場型但晶胞數的增加將提高成本加大

EBG 面積及天線整體體積高達一定數量時反而會降低天線性能對於微帶貼

片天線而言EBG 在接地面太靠近天線輻射邊反而影響其輻射機制造成頻率

飄移因此論文中將探討 EBG 的包圍方式對天線性能之影響以有最佳效果

已知高阻抗表面可以阻擋介質中表面波的傳遞因此先透過理想 PMC 來代

替所設計之高阻抗表面 EBG 結構以分析其特性找出提升天性能的最佳包圍

33

方式

首先把天線周圍包覆 PMC 如圖 3-12以逼近的方式慢慢擴大 PMC 的面積

一圈 PMC 的寬度與設計的晶胞大小邊長一樣從輻射場型來看使用到第二圈

時可以得到最佳的輻射效能如圖 3-13PMC 包圍有其最佳範圍取得有效的包

圍方式可以讓天線輻射最佳化

圖 3-12天線周圍包覆 PMC

34

圖 3-13天線周圍包覆 PMC 之輻射場型比較

參考天線 一圈 PMC 二圈 PMC 三圈 PMC

0 度增益 357dBi 432dBi 545dBi 478dBi

增益改善 075dB 188dB 121dB

表 3-1天線周圍包覆 PMC 之增益改善比較

35

323 輻射邊兩側包覆 PMC

由於微帶天線之表面波傳遞方向以 xz 切面為主如圖 3-14因此在微帶天線

輻射邊的兩側擺放 EBG 結構以抑制其傳遞有效改善天線輻射場型首先使

用理想的 PMC 在天線輻射邊兩側包覆如圖 3-15對於 PMC 覆蓋面積的大小作一

探討變化 PMC 之覆蓋面積了解其對天線輻射場型的影響在邊射(broadside)

方向的輻射場型可以有效改善波紋讓旁波瓣(sidelobe)大幅度降低如圖 3-16

所示以兩列 PMC 可以達到較佳效果再增加一列 PMC 雖些許增加增益不

過 PMC 覆蓋的面積已達飽和因此從上述可知在結合 EBG 和微帶天線時

將有一最佳之覆蓋面積使用最適當之晶胞數來達到最佳的增益改善

圖 3-14表面波在介質空間中分布

36

圖 3-15輻射邊兩側包覆 PMC

圖 3-16輻射邊兩側包覆 PMC 之輻射場型比較

37

參考天線 一列 PMC 二列 PMC 三列 PMC

0 度增益 357dBi 528dBi 642dBi 644dBi

增益改善 171dB 285dB 287dB

表 3-2輻射邊兩側包覆 PMC 之增益改善比較

33 電磁帶隙結構結合單一微帶天線

以下將結合所設計之 EBG 結構和微帶天線以改善微帶天線之輻射場型干

擾從前述的探討先以圍繞式包圍天線做輻射場型比較如圖 3-17 所示

圖 3-17天線周圍包覆 EBG 之輻射場型比較

38

0 度增益

Ref patch antenna 357dBi

圍繞 EBG 572dBi

ΔGain 215dB

表 3-3天線周圍包覆 EBG 之增益改善比較

由於表面波之傳遞主要為 X 軸方向因此以 EBG 之較寬頻的維度來抑制 X

方向的表面波其結合方式如下以兩列 EBG 結構與天線結合比較如圖 3-18

圖 3-18輻射邊兩側包覆 EBG 之輻射場型比較

39

0 度增益

Ref patch antenna 357dBi

輻射邊包覆 EBG 577dBi

ΔGain 22dB

表 3-4輻射邊兩側包覆 EBG 之增益改善比較

兩種包覆 EBG 的情形做比較使用輻射邊兩側包覆 EBG 對表面波抑制可以

達到最直接的效果再對接地面做變化令輻射邊到接地面邊緣距離等於 15 倍

空氣中波長邊緣的等效感應磁流干擾最大在垂射(broadside)方向造成 30 度到

60 度的旁波瓣將晶胞數加到三列使得輻射場型能有最佳效果如圖 3-19 所示

圖 3-19較大接地面應用更多晶胞數改善輻射場型圖

40

34 電磁帶隙結構結合微帶天線陣列

第二章敘述之高增益天線陣列由於在 E-plane 產生較大之旁波瓣因此論

文將結合 EBG 結構與天線陣列改善輻射場型以符合 ETSI-TS2 規範要求

對原本的天線陣列與改善後的天線陣列作一比較如圖 3-20 為天線結構示意圖

俯視圖 yz 切面為表面波影響較大的面因此我們在 E-plane 兩側包覆 EBG使

用三列的 EBG 週期結構另外圖 3-21 為(a)34GHz(b)355GHz(c)37GHz

輻射場型在 E-plane 的改善比較可以發現在(a)跟(b)改善的效果特別明顯旁波

瓣減弱許多而(c)原本旁波瓣就不大所以改善較不明顯再跟 ETSI-mask 做

比較如圖 3-22改善後的天線陣列距離輻射場型標準線有較大之安全距離對實

作上的誤差影響會比較小以下針對輻射場型做一比較

圖 3-20原始天線陣列與應用 EBG 之天線陣列

41

(a)34GHz E-plane 輻射場型比較

(b)355GHz E-plane 輻射場型比較

(c)37GHz E-plane 輻射場型比較

圖 3-21原始天線陣列與應用 EBG 之天線陣列輻射場型比較

(a)34GHz (b)355GHz (c)37GHz

42

(a)34GHz E-plane

(b)355GHz E-plane

(a)37GHz E-plane

圖 3-22原始天線陣列與應用 EBG 之天線陣列與 ETSI-mask 比較

(a)34GHz (b)355GHz (c)37GHz

43

35 模擬與量測結果比較

由上述模擬的結果進行實作及量測的工作如圖 3-23 為微帶天線結合 EBG

結構的架構表 3-5 列出了板材的規格使用的基板是 FR4 玻璃纖維基板並架高

空氣高度為 5mm

Dielectric constant(topbottom) 44 44

Substrate thickness(topbottom) 08mm 16mm

Loss tangent 002

Air gap 5mm

Upper substrate size 250mm x 200mm

Ground size 300mm x 250mm

表 3-5天線陣列設計參數

圖 3-23應用 EBG 之天線陣列結構圖

44

圖 3-24 為天線陣列在 34GHz355GHz37GHz 的輻射場型從圖中可以

觀察模擬與量測場型蠻相近的

(a)34GHz

(b)355GHz

45

(c)37GHz

圖 3-24天線陣列輻射場型模擬與量測比較

對於其輻射場型的分布需求要符合 ETSI-TS2 的規範以下針對輻射場型與

ETSI-mask 做一比較如圖 3-25 所示從圖中發現實作及量測輻射場型全部

工作頻段都能滿足 mask 要求完成一組高增益天線陣列

(a)34GHz

46

(b)355GHz

(c)37GHz

圖 3-25天線陣列輻射場型與 ETSI-mask 比較

圖 3-26 為天線陣列模擬與量測的反射損耗其工作頻率與設計之天線相去

不遠均包含 34GHz~37GHz頻寬設計較大的原因在於避免外在因素造成的頻

飄量測出來可達 33GHz~39GHz略往高頻飄不過與設計的反射損耗相當接

近圖 3-27 為實際量測的增益對頻率的變化圖其增益的全頻段都能大於

14dBiE-plane 與 H-plane 也較為接近整理數據如表 3-6

47

圖 3-26天線陣列反射損耗模擬與量測比較

圖 3-27天線陣列增益對頻率圖

48

頻率(GHz) 33 34 35 36 37 38

E-plane 增益

(dBi) 1485 1591 1620 1687 1627 1507

H-plane 增益

(dBi) 1421 1565 1598 1629 1607 1518

表 3-6天線陣列增益對頻率表

49

圖 3-28 為實體圖俯視圖側視圖與 EBG 實際大小比較

(a) 俯視圖

(b) 側視圖(空氣高度=05mm)

(c)EBG 實體結構

圖 3-28天線陣列實體圖

50

第四章 結論

(Conclusion)

本論文主要是研究適用於基地台的 WiMAX 頻段高增益天線陣列並控制其

頻寬增益及輻射場型能夠符合 ETSI(European Telecommunication Standards

Institute)的規範在論文第二章中提出的高增益天線陣列是利用一個能量分歧

器把能量等效分成三份的饋入網路接上三組一樣的三元素陣列矩形微帶天線所

組成的天線陣列最高增益可達到 17dBi工作頻率的增益都能超過要求的

14dBi輻射場型符合 ETSI-TS2 規範另外本論文所提出的天線陣列為印刷式

天線不但具有輕量化的特性且大幅降低製作上的困難度也減輕了成本的負擔

透過本論文所設計之 EBG 可有效降低傳統 EBG 結構的製程僅以 FR4 板

材即可自行實作比較無須鉚釘並提出有效提升微帶天線增益的包圍方式在

有限的接地面下可選擇適當的晶胞數來改善天線陣列的輻射場型抑制表面波

對天線的干擾讓邊際效應產生的感應磁流干擾降到最低最後在實作及量測部

分驗證我們模擬的結果

51

參考文獻

[1] W L Stutzman and G A Thiele Antenna Theory and Design 2nd ed New York

Wiley 1998

[2] A Balanis Antenna Theory Analysis and Design New York Wiley 1997

[3] R Gardelli G La Cono and M Albani ldquoA low-cost suspended patch antenna for

WLAN access points and point-to-point linksrdquo IEEE Antennas and Propagat vol

3 no 1 pp 90-93 2004

[4] H F Pues and A R Van de capelle ldquoAn impedance-matching technique for

increasing the bandwidth of microstrip antennasrdquo IEEE Trans on Antennas and

Propagat vol 37 no 11 pp 1345-1354 Nov 1989

[5] Q Song and XndashX Zhang ldquoA study on wideband gap-coupled microstrip antenna

arraysrdquo IEEE Trans On Antennas and Propagat vol 43 no 3 pp 313-317 Mar

1995

[6] D Sievenpiper L Z Romulo F J Broas N G Alexopolous and E Yablonovitch

ldquoHigh-impedance electromagnetic surfaces with a forbidden frequency bandrdquo

IEEE Trans Microwave Theory Tech vol 47 no 11 pp 311-335 Nov 1999

[7] F-R Yang K-P Ma Y Qian and T Itoh ldquo A Uniplanar Compact

Photonic-Bandgap (UC-PBG) Structure and Its Applications for Microwave

Circuitsrdquo IEEE Trans MTT vol 47 Aug 1999

[8] M F Abedin M Z Azad and M Ali ldquo wideband smaller unit-cell planar EBG

structures and their applicationrdquo IEEE Trans On Antenna and Propagat vol 56

no 3 pp 903-908 Mar 2008

[9] I J Bahl and P Bhartia Microstrip Antennas Artech House 1980

[10] JR James and P S Hall Handbook of Microstrip Antennas LondonPeter

Peregrinus Ltd 1989

52

[11] K C Gupta R Garg I J Bahl P Bhartia Microstrip Lines and Slotlines 2nd ed

Norwood MAArtech House 1996

[12] T Namiki Y Murayama and K Ito ldquo Improving radiation-pattern distortion of a

patch antenna having a finite ground planerdquo IEEE Trans On Antenna and

Propagat vol 51 no 3 pp 478-482 Mar 2003

[13] R Coccioli F-R Yang K-P Ma and T Itoh ldquo Aperture-coupled patch antenna

on UC-PBG substraterdquo IEEE Trans Microwave Theory Tech vol 47 no 11 pp

2123-2130 Nov 1999

[14] F Yang and Y Rahmat-samii ldquo Microstrip antenna integrated with

electromagnetic band-gap (EBG) structure a low mutual coupling design for array

applicationrdquo IEEE Trans On Antenna and Propagat vol 51 no 10 pp

2936-2946 Oct2003

[15] Z Iluz R Shavit and R Bauer ldquo Microstrip antenna phased array with

electromagnetic bandgap substraterdquo IEEE Trans On Antenna and Propagat vol

52 no 6 pp 1446-1453 June 2004

  • 封面pdf
  • 摘要與目錄pdf
  • 論文_終稿_pdf
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50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP 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 FRA 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 ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO 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 SVE ltFEFF0041006e007600e4006e00640020006400650020006800e4007200200069006e0073007400e4006c006c006e0069006e006700610072006e00610020006f006d002000640075002000760069006c006c00200073006b006100700061002000410064006f006200650020005000440046002d0064006f006b0075006d0065006e00740020006600f600720020006b00760061006c00690074006500740073007500740073006b0072006900660074006500720020007000e5002000760061006e006c00690067006100200073006b0072006900760061007200650020006f006300680020006600f600720020006b006f007200720065006b007400750072002e002000200053006b006100700061006400650020005000440046002d0064006f006b0075006d0065006e00740020006b0061006e002000f600700070006e00610073002000690020004100630072006f0062006100740020006f00630068002000410064006f00620065002000520065006100640065007200200035002e00300020006f00630068002000730065006e006100720065002egt ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP 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 FRA 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15

圖 2-14三元天線陣列反射損耗

圖 2-15三元天線陣列在中心頻率 355GHz 模擬的輻射場型

由圖 2-14圖 2-15 了解到反射損耗在工作頻段(34GHz~37GHz)滿足要求

觀察輻射場型發現增益已可達到 12dBi此時再利用一組能量一分三的分歧器

設計總天線陣列預計為三乘以三共九個元素的天線陣列設計參數如表 2-2

16

Dielectric constant(topbottom) 44 44

Substrate thickness(topbottom) 08mm 16mm

Loss tangent 002

Air gap 5mm

Upper substrate size 250mm x 200mm

Ground size 300mm x 250mm

表 2-2天線陣列設計參數

圖 2-16 為天線陣列結構圖由於饋入網路阻抗匹配與相位差對天線陣列影

響非常大所以設計其信號饋入端為 50Ω以符合實際上使用的 SMA 接頭使

饋入網路匹配

圖 2-16天線陣列結構俯視圖

17

圖 2-17 為天線陣列在(a)34GHz(b)355GHz(c)37GHz 的輻射場型從圖

中可看出模擬與量測的輻射場型相當接近增益也能達到要求

(a)34GHz

(b)355GHz

18

(c)37GHz

圖 2-17天線陣列輻射場型

天線結構確定之後對於其輻射場型的分布需求要符合 ETSI-TS2 的規範

表 2-3 為 ETSI-TS2 對輻射場型分布的要求以下針對輻射場型與 ETSI-mask 做

一比較如圖 2-18 所示從圖中發現除了 34GHz 些微超出標準之外其餘頻

段都能滿足輻射場型要求之後會將改善的部份再做比較

表 2-3ETSI-TS2 對輻射場型分布之要求

19

(a)34GHz

(b)355GHz

(c)37GHz

圖 2-18天線陣列輻射場型與 ETSI-mask 之比較

20

圖 2-19 為天線陣列模擬與量測的反射損耗其工作頻率與設計之天線相去

不遠均包含 34GHz~37GHz圖 2-20 為實際量測的增益對頻率的變化圖其

增益的全頻段都能大於 14dBi其中某些頻率點可看出 E-plane 與 H-plane 所量

測到的最大增益值並不相同這主要的原因在於由饋入網路輸出端在在不同頻率

會有些微的相位差所致使得天線的最大增益值會些微偏移一個角度不過基

本上的趨勢還是相近

圖 2-19天線陣列模擬與量測之反射損耗

21

圖 2-20天線陣列增益對頻率圖

頻率(GHz) 33 34 35 36 37 38

E-plane 增益

(dBi) 1457 1619 1702 1634 1568 1429

H-plane 增益

(dB) 1421 1582 1624 1607 1581 1434

表 2-4天線陣列增益對頻率表

22

(a)俯視圖

(b)側視圖

圖 2-21天線陣列實體圖(a)俯視圖(b)側視圖

23

第三章 電磁帶隙結構與應用

(Electromagnetic Band-Gap Structure and Its Applications )

31 單位晶胞設計與截止帶比較

在天線中通常在較高之基板厚度及較大之介電常數時容易產生表面波

干擾天線輻射為了阻止表面波的傳遞論文中設計了高阻抗表面也就是所謂

的電磁帶隙(EBG)結構能有效抑制表面波提升天線效能

在近幾年許多微波領域的研究文獻利用光子能隙(Photonic Band-Gap

PBG)的概念也就是在介電係數成週期性排列的三維介電材料中電磁波經介

電函數散射後某些波段的電磁波強度會因破壞性干涉而呈現衰減無法在系統

內傳遞而在頻譜上形成截止帶[7][8]應用這個觀念在平面式傳輸線上設計具

有週期性幾何結構的電路造成電磁波在某些頻段無法傳遞而達到濾波的效果

由於使用於微波頻段所以稱此種結構為電磁帶隙或電磁能隙(Electromagnetic

Band-Gap EBG)結構

一個 EBG 結構電路時為一個電路之接地面在沿著某方向或平面做週期性

幾何結構變化所構成的電路如圖 3-1

圖 3-1一維 EBG 結構電路圖

利用 EBG 電路的週期性幾何結構形成一個電磁波的截止帶實線一個具

有寬頻與良好效能的帶止濾波器(Bandstop Filter)本論文使用共平面緊密電磁

帶隙結構(Uniplanar Compact EBG)如圖 3-2取代傳統的完整或切割連結通道

CellCell Cell Cell Cell d d d d TL TL TL TL

24

的平面結構每個單位細胞間以細線做連結細線提供了主要的電感效應每個

單位細胞間以狹縫做為區隔細狹縫間之互容效應與單位細胞之平面電容提供

了主要電容效應利用並接的電感電容效應來達到一寬頻的截止帶

圖 3-2EBG 結構集總電路圖

為了得到我們需要的截止帶首先模擬一個理想傳輸線當對照組(圖 3-3)

使用了介電常數值為 44 的 FR4 電路板厚度為 16mm觀察其反射損耗與插入

損耗從圖 3-4 了解到傳輸線從 1GHz 到 15GHz 反射損耗皆在-20dB 以下插入

損耗-3dB 以上

圖 3-3微帶傳輸線

(a) 俯視圖

(b) 側視圖

25

圖 3-4微帶傳輸線之反射損耗與插入損耗

利用電磁帶隙週期性二維的重複結構如圖 3-5可以找到我們所需要的截止

帶從微帶線的插入損耗可以明顯得到所設計的截止帶頻段跟單位晶胞的大小

成正相關整體電路的等效電感與等效電容越大相對的頻帶也會往低頻跑

(a)正面俯視圖 (b)背面俯視圖

圖 3-5微帶線加上 EBG 結構正面與背面

26

改變單位晶胞大小與截止帶之比較分別從(圖 3-6)4mm2(圖 3-7)6mm2(圖

3-8)8mm2(圖 3-9)10mm2的晶胞大小可以控制截止帶落在哪些區域

(b)反射損耗

a b

g

gs

h

(a)單位晶胞大小

a = 4 mmb = 37 mm s = g = 03 mm h = 18 mm

a

27

圖 3-6微帶線加上 4mm2EBG 結構之晶胞大小與 S 參數比較

從圖 3-6 可以得知從 10GHz 到 12GHz 有一較深之截止帶14GHz 之後也有

截止頻帶只是實驗目標以低頻為主故只模擬到 15GHz繼續改變晶胞大小

來設計低頻截止帶

a b

g

gs

h

(a)單位晶胞大小

a = 6 mm b = 57 mm s = g = 03 mm h = 28 mm

a

(c)插入損耗

28

圖 3-7微帶線加上 6mm2EBG 結構之晶胞大小與 S 參數比較

讓 EBG 晶胞變大(6mm2)跟預期結果相符可以得到更低頻的截止帶低頻帶

從 7GHz 到 9GHz高頻帶 10GHz 之後仍然存在極深之截止帶

(b)S參數比較圖

a bg

gs

h

(a)單位晶胞大小

a = 8 mm b = 76 mm s = g = 04 mm h = 37 mm

a

29

圖 3-8微帶線加上 8mm2EBG 結構之晶胞大小與 S 參數比較

從圖 3-8 的結果得到更低頻的截止帶座落於 43GHz~58GHz 及

61GHz~7GHz 由 於 論 文 中 所 設 計 的 WiMAX 天 線 陣 列 工 作 頻 率 在

34GHz~37GHz故需再將晶胞大小改變讓系統能夠共振在更低頻處

(b)S參數比較圖

a bg

gs

h

(a)單位晶胞大小

a = 10 mm b = 93 mm s = g = 07 mm h = 42 mm

a

30

圖 3-9微帶線加上 10mm2EBG 結構之晶胞大小與 S 參數比較

將週期性電磁帶隙結構結合微帶線可以設計出需要的截止帶圖 3-9 主要

的截止帶在 325GHz~4GHz 及 465GHz~58GHz已經達到需求的頻帶範圍下

個目標將結合微帶天線做改善與比較

(b)S參數比較圖

31

32 電磁帶隙結構包圍方式之探討

321 有限接地面的探討

由於設計的微帶天線主要是在邊射(Broad-side)方向輻射所以需要選擇一個

適當的接地面大小讓輻射場型得到一個最佳值理論上來說無限大的接地面

可以得到最平滑(Smooth)的輻射場型只在單邊輻射不會受到地面干擾實際

上在有限的空間必須選擇一個適當大小的接地面以符合成本與面積要求

而有限的接地面卻容易造成邊緣效應干擾[12]表面波在接地面邊緣產生繞射場

(Diffracted fields)形成新的波源以陣列因子的觀點來看多了新的波源會造

成輻射場型加乘上的消長如圖 3-10微帶貼片天線主要是以前後兩側差半波

長之邊輻射而有限接地面則會在邊緣產生感應磁流(Induced equivalent

magnetic current)如圖 3-11從電場的指向可以推得磁流的方向對照輻射

場型容易在邊射方向造成波紋(Ripple)

圖 3-10有限接地面產生之輻射場型比較圖

L

32

圖 3-11介質中電場指向之強弱分布與感應磁流方向

由於接地面的大小在 E-plane 會產生波紋來干擾輻射場型所以論文中以

EBG 週期性結構來做為一個完美磁導體(Perfect Magnetic ConductorPMC)也

就是人工 PMC(Artificial PMC)抑制邊緣電場的垂直入射減弱感應磁流的效

應以改善天線輻射場型

322 天線周圍包覆 PMC

傳統上 EBG 以圍滿的方式來改善微帶天線之增益與輻射[13]並透過晶胞

數的不斷增加來提高增益及改善輻射場型但晶胞數的增加將提高成本加大

EBG 面積及天線整體體積高達一定數量時反而會降低天線性能對於微帶貼

片天線而言EBG 在接地面太靠近天線輻射邊反而影響其輻射機制造成頻率

飄移因此論文中將探討 EBG 的包圍方式對天線性能之影響以有最佳效果

已知高阻抗表面可以阻擋介質中表面波的傳遞因此先透過理想 PMC 來代

替所設計之高阻抗表面 EBG 結構以分析其特性找出提升天性能的最佳包圍

33

方式

首先把天線周圍包覆 PMC 如圖 3-12以逼近的方式慢慢擴大 PMC 的面積

一圈 PMC 的寬度與設計的晶胞大小邊長一樣從輻射場型來看使用到第二圈

時可以得到最佳的輻射效能如圖 3-13PMC 包圍有其最佳範圍取得有效的包

圍方式可以讓天線輻射最佳化

圖 3-12天線周圍包覆 PMC

34

圖 3-13天線周圍包覆 PMC 之輻射場型比較

參考天線 一圈 PMC 二圈 PMC 三圈 PMC

0 度增益 357dBi 432dBi 545dBi 478dBi

增益改善 075dB 188dB 121dB

表 3-1天線周圍包覆 PMC 之增益改善比較

35

323 輻射邊兩側包覆 PMC

由於微帶天線之表面波傳遞方向以 xz 切面為主如圖 3-14因此在微帶天線

輻射邊的兩側擺放 EBG 結構以抑制其傳遞有效改善天線輻射場型首先使

用理想的 PMC 在天線輻射邊兩側包覆如圖 3-15對於 PMC 覆蓋面積的大小作一

探討變化 PMC 之覆蓋面積了解其對天線輻射場型的影響在邊射(broadside)

方向的輻射場型可以有效改善波紋讓旁波瓣(sidelobe)大幅度降低如圖 3-16

所示以兩列 PMC 可以達到較佳效果再增加一列 PMC 雖些許增加增益不

過 PMC 覆蓋的面積已達飽和因此從上述可知在結合 EBG 和微帶天線時

將有一最佳之覆蓋面積使用最適當之晶胞數來達到最佳的增益改善

圖 3-14表面波在介質空間中分布

36

圖 3-15輻射邊兩側包覆 PMC

圖 3-16輻射邊兩側包覆 PMC 之輻射場型比較

37

參考天線 一列 PMC 二列 PMC 三列 PMC

0 度增益 357dBi 528dBi 642dBi 644dBi

增益改善 171dB 285dB 287dB

表 3-2輻射邊兩側包覆 PMC 之增益改善比較

33 電磁帶隙結構結合單一微帶天線

以下將結合所設計之 EBG 結構和微帶天線以改善微帶天線之輻射場型干

擾從前述的探討先以圍繞式包圍天線做輻射場型比較如圖 3-17 所示

圖 3-17天線周圍包覆 EBG 之輻射場型比較

38

0 度增益

Ref patch antenna 357dBi

圍繞 EBG 572dBi

ΔGain 215dB

表 3-3天線周圍包覆 EBG 之增益改善比較

由於表面波之傳遞主要為 X 軸方向因此以 EBG 之較寬頻的維度來抑制 X

方向的表面波其結合方式如下以兩列 EBG 結構與天線結合比較如圖 3-18

圖 3-18輻射邊兩側包覆 EBG 之輻射場型比較

39

0 度增益

Ref patch antenna 357dBi

輻射邊包覆 EBG 577dBi

ΔGain 22dB

表 3-4輻射邊兩側包覆 EBG 之增益改善比較

兩種包覆 EBG 的情形做比較使用輻射邊兩側包覆 EBG 對表面波抑制可以

達到最直接的效果再對接地面做變化令輻射邊到接地面邊緣距離等於 15 倍

空氣中波長邊緣的等效感應磁流干擾最大在垂射(broadside)方向造成 30 度到

60 度的旁波瓣將晶胞數加到三列使得輻射場型能有最佳效果如圖 3-19 所示

圖 3-19較大接地面應用更多晶胞數改善輻射場型圖

40

34 電磁帶隙結構結合微帶天線陣列

第二章敘述之高增益天線陣列由於在 E-plane 產生較大之旁波瓣因此論

文將結合 EBG 結構與天線陣列改善輻射場型以符合 ETSI-TS2 規範要求

對原本的天線陣列與改善後的天線陣列作一比較如圖 3-20 為天線結構示意圖

俯視圖 yz 切面為表面波影響較大的面因此我們在 E-plane 兩側包覆 EBG使

用三列的 EBG 週期結構另外圖 3-21 為(a)34GHz(b)355GHz(c)37GHz

輻射場型在 E-plane 的改善比較可以發現在(a)跟(b)改善的效果特別明顯旁波

瓣減弱許多而(c)原本旁波瓣就不大所以改善較不明顯再跟 ETSI-mask 做

比較如圖 3-22改善後的天線陣列距離輻射場型標準線有較大之安全距離對實

作上的誤差影響會比較小以下針對輻射場型做一比較

圖 3-20原始天線陣列與應用 EBG 之天線陣列

41

(a)34GHz E-plane 輻射場型比較

(b)355GHz E-plane 輻射場型比較

(c)37GHz E-plane 輻射場型比較

圖 3-21原始天線陣列與應用 EBG 之天線陣列輻射場型比較

(a)34GHz (b)355GHz (c)37GHz

42

(a)34GHz E-plane

(b)355GHz E-plane

(a)37GHz E-plane

圖 3-22原始天線陣列與應用 EBG 之天線陣列與 ETSI-mask 比較

(a)34GHz (b)355GHz (c)37GHz

43

35 模擬與量測結果比較

由上述模擬的結果進行實作及量測的工作如圖 3-23 為微帶天線結合 EBG

結構的架構表 3-5 列出了板材的規格使用的基板是 FR4 玻璃纖維基板並架高

空氣高度為 5mm

Dielectric constant(topbottom) 44 44

Substrate thickness(topbottom) 08mm 16mm

Loss tangent 002

Air gap 5mm

Upper substrate size 250mm x 200mm

Ground size 300mm x 250mm

表 3-5天線陣列設計參數

圖 3-23應用 EBG 之天線陣列結構圖

44

圖 3-24 為天線陣列在 34GHz355GHz37GHz 的輻射場型從圖中可以

觀察模擬與量測場型蠻相近的

(a)34GHz

(b)355GHz

45

(c)37GHz

圖 3-24天線陣列輻射場型模擬與量測比較

對於其輻射場型的分布需求要符合 ETSI-TS2 的規範以下針對輻射場型與

ETSI-mask 做一比較如圖 3-25 所示從圖中發現實作及量測輻射場型全部

工作頻段都能滿足 mask 要求完成一組高增益天線陣列

(a)34GHz

46

(b)355GHz

(c)37GHz

圖 3-25天線陣列輻射場型與 ETSI-mask 比較

圖 3-26 為天線陣列模擬與量測的反射損耗其工作頻率與設計之天線相去

不遠均包含 34GHz~37GHz頻寬設計較大的原因在於避免外在因素造成的頻

飄量測出來可達 33GHz~39GHz略往高頻飄不過與設計的反射損耗相當接

近圖 3-27 為實際量測的增益對頻率的變化圖其增益的全頻段都能大於

14dBiE-plane 與 H-plane 也較為接近整理數據如表 3-6

47

圖 3-26天線陣列反射損耗模擬與量測比較

圖 3-27天線陣列增益對頻率圖

48

頻率(GHz) 33 34 35 36 37 38

E-plane 增益

(dBi) 1485 1591 1620 1687 1627 1507

H-plane 增益

(dBi) 1421 1565 1598 1629 1607 1518

表 3-6天線陣列增益對頻率表

49

圖 3-28 為實體圖俯視圖側視圖與 EBG 實際大小比較

(a) 俯視圖

(b) 側視圖(空氣高度=05mm)

(c)EBG 實體結構

圖 3-28天線陣列實體圖

50

第四章 結論

(Conclusion)

本論文主要是研究適用於基地台的 WiMAX 頻段高增益天線陣列並控制其

頻寬增益及輻射場型能夠符合 ETSI(European Telecommunication Standards

Institute)的規範在論文第二章中提出的高增益天線陣列是利用一個能量分歧

器把能量等效分成三份的饋入網路接上三組一樣的三元素陣列矩形微帶天線所

組成的天線陣列最高增益可達到 17dBi工作頻率的增益都能超過要求的

14dBi輻射場型符合 ETSI-TS2 規範另外本論文所提出的天線陣列為印刷式

天線不但具有輕量化的特性且大幅降低製作上的困難度也減輕了成本的負擔

透過本論文所設計之 EBG 可有效降低傳統 EBG 結構的製程僅以 FR4 板

材即可自行實作比較無須鉚釘並提出有效提升微帶天線增益的包圍方式在

有限的接地面下可選擇適當的晶胞數來改善天線陣列的輻射場型抑制表面波

對天線的干擾讓邊際效應產生的感應磁流干擾降到最低最後在實作及量測部

分驗證我們模擬的結果

51

參考文獻

[1] W L Stutzman and G A Thiele Antenna Theory and Design 2nd ed New York

Wiley 1998

[2] A Balanis Antenna Theory Analysis and Design New York Wiley 1997

[3] R Gardelli G La Cono and M Albani ldquoA low-cost suspended patch antenna for

WLAN access points and point-to-point linksrdquo IEEE Antennas and Propagat vol

3 no 1 pp 90-93 2004

[4] H F Pues and A R Van de capelle ldquoAn impedance-matching technique for

increasing the bandwidth of microstrip antennasrdquo IEEE Trans on Antennas and

Propagat vol 37 no 11 pp 1345-1354 Nov 1989

[5] Q Song and XndashX Zhang ldquoA study on wideband gap-coupled microstrip antenna

arraysrdquo IEEE Trans On Antennas and Propagat vol 43 no 3 pp 313-317 Mar

1995

[6] D Sievenpiper L Z Romulo F J Broas N G Alexopolous and E Yablonovitch

ldquoHigh-impedance electromagnetic surfaces with a forbidden frequency bandrdquo

IEEE Trans Microwave Theory Tech vol 47 no 11 pp 311-335 Nov 1999

[7] F-R Yang K-P Ma Y Qian and T Itoh ldquo A Uniplanar Compact

Photonic-Bandgap (UC-PBG) Structure and Its Applications for Microwave

Circuitsrdquo IEEE Trans MTT vol 47 Aug 1999

[8] M F Abedin M Z Azad and M Ali ldquo wideband smaller unit-cell planar EBG

structures and their applicationrdquo IEEE Trans On Antenna and Propagat vol 56

no 3 pp 903-908 Mar 2008

[9] I J Bahl and P Bhartia Microstrip Antennas Artech House 1980

[10] JR James and P S Hall Handbook of Microstrip Antennas LondonPeter

Peregrinus Ltd 1989

52

[11] K C Gupta R Garg I J Bahl P Bhartia Microstrip Lines and Slotlines 2nd ed

Norwood MAArtech House 1996

[12] T Namiki Y Murayama and K Ito ldquo Improving radiation-pattern distortion of a

patch antenna having a finite ground planerdquo IEEE Trans On Antenna and

Propagat vol 51 no 3 pp 478-482 Mar 2003

[13] R Coccioli F-R Yang K-P Ma and T Itoh ldquo Aperture-coupled patch antenna

on UC-PBG substraterdquo IEEE Trans Microwave Theory Tech vol 47 no 11 pp

2123-2130 Nov 1999

[14] F Yang and Y Rahmat-samii ldquo Microstrip antenna integrated with

electromagnetic band-gap (EBG) structure a low mutual coupling design for array

applicationrdquo IEEE Trans On Antenna and Propagat vol 51 no 10 pp

2936-2946 Oct2003

[15] Z Iluz R Shavit and R Bauer ldquo Microstrip antenna phased array with

electromagnetic bandgap substraterdquo IEEE Trans On Antenna and Propagat vol

52 no 6 pp 1446-1453 June 2004

  • 封面pdf
  • 摘要與目錄pdf
  • 論文_終稿_pdf
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 DEU ltFEFF00560065007200770065006e00640065006e0020005300690065002000640069006500730065002000450069006e007300740065006c006c0075006e00670065006e0020007a0075006d002000450072007300740065006c006c0065006e00200076006f006e002000410064006f006200650020005000440046002d0044006f006b0075006d0065006e00740065006e002c00200076006f006e002000640065006e0065006e002000530069006500200068006f00630068007700650072007400690067006500200044007200750063006b006500200061007500660020004400650073006b0074006f0070002d0044007200750063006b00650072006e00200075006e0064002000500072006f006f0066002d00470065007200e400740065006e002000650072007a0065007500670065006e0020006d00f60063006800740065006e002e002000450072007300740065006c006c007400650020005000440046002d0044006f006b0075006d0065006e007400650020006b00f6006e006e0065006e0020006d006900740020004100630072006f00620061007400200075006e0064002000410064006f00620065002000520065006100640065007200200035002e00300020006f0064006500720020006800f600680065007200200067006500f600660066006e00650074002000770065007200640065006e002egt ESP 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ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP 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 FRA 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 ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP 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 FRA ltFEFF005500740069006c006900730065007a00200063006500730020006f007000740069006f006e00730020006100660069006e00200064006500200063007200e900650072002000640065007300200064006f00630075006d0065006e00740073002000410064006f00620065002000500044004600200070006f007500720020006400650073002000e90070007200650075007600650073002000650074002000640065007300200069006d007000720065007300730069006f006e00730020006400650020006800610075007400650020007100750061006c0069007400e90020007300750072002000640065007300200069006d007000720069006d0061006e0074006500730020006400650020006200750072006500610075002e0020004c0065007300200064006f00630075006d0065006e00740073002000500044004600200063007200e900e90073002000700065007500760065006e0074002000ea0074007200650020006f007500760065007200740073002000640061006e00730020004100630072006f006200610074002c002000610069006e00730069002000710075002700410064006f00620065002000520065006100640065007200200035002e0030002000650074002000760065007200730069006f006e007300200075006c007400e90072006900650075007200650073002egt ITA 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 JPN ltFEFF9ad854c18cea51fa529b7528002000410064006f0062006500200050004400460020658766f8306e4f5c6210306b4f7f75283057307e30593002537052376642306e753b8cea3092670059279650306b4fdd306430533068304c3067304d307e3059300230c730b930af30c830c330d730d730ea30f330bf3067306e53705237307e305f306f30d730eb30fc30d57528306b9069305730663044307e305930023053306e8a2d5b9a30674f5c62103055308c305f0020005000440046002030d530a130a430eb306f3001004100630072006f0062006100740020304a30883073002000410064006f00620065002000520065006100640065007200200035002e003000204ee5964d3067958b304f30533068304c3067304d307e30593002gt KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

16

Dielectric constant(topbottom) 44 44

Substrate thickness(topbottom) 08mm 16mm

Loss tangent 002

Air gap 5mm

Upper substrate size 250mm x 200mm

Ground size 300mm x 250mm

表 2-2天線陣列設計參數

圖 2-16 為天線陣列結構圖由於饋入網路阻抗匹配與相位差對天線陣列影

響非常大所以設計其信號饋入端為 50Ω以符合實際上使用的 SMA 接頭使

饋入網路匹配

圖 2-16天線陣列結構俯視圖

17

圖 2-17 為天線陣列在(a)34GHz(b)355GHz(c)37GHz 的輻射場型從圖

中可看出模擬與量測的輻射場型相當接近增益也能達到要求

(a)34GHz

(b)355GHz

18

(c)37GHz

圖 2-17天線陣列輻射場型

天線結構確定之後對於其輻射場型的分布需求要符合 ETSI-TS2 的規範

表 2-3 為 ETSI-TS2 對輻射場型分布的要求以下針對輻射場型與 ETSI-mask 做

一比較如圖 2-18 所示從圖中發現除了 34GHz 些微超出標準之外其餘頻

段都能滿足輻射場型要求之後會將改善的部份再做比較

表 2-3ETSI-TS2 對輻射場型分布之要求

19

(a)34GHz

(b)355GHz

(c)37GHz

圖 2-18天線陣列輻射場型與 ETSI-mask 之比較

20

圖 2-19 為天線陣列模擬與量測的反射損耗其工作頻率與設計之天線相去

不遠均包含 34GHz~37GHz圖 2-20 為實際量測的增益對頻率的變化圖其

增益的全頻段都能大於 14dBi其中某些頻率點可看出 E-plane 與 H-plane 所量

測到的最大增益值並不相同這主要的原因在於由饋入網路輸出端在在不同頻率

會有些微的相位差所致使得天線的最大增益值會些微偏移一個角度不過基

本上的趨勢還是相近

圖 2-19天線陣列模擬與量測之反射損耗

21

圖 2-20天線陣列增益對頻率圖

頻率(GHz) 33 34 35 36 37 38

E-plane 增益

(dBi) 1457 1619 1702 1634 1568 1429

H-plane 增益

(dB) 1421 1582 1624 1607 1581 1434

表 2-4天線陣列增益對頻率表

22

(a)俯視圖

(b)側視圖

圖 2-21天線陣列實體圖(a)俯視圖(b)側視圖

23

第三章 電磁帶隙結構與應用

(Electromagnetic Band-Gap Structure and Its Applications )

31 單位晶胞設計與截止帶比較

在天線中通常在較高之基板厚度及較大之介電常數時容易產生表面波

干擾天線輻射為了阻止表面波的傳遞論文中設計了高阻抗表面也就是所謂

的電磁帶隙(EBG)結構能有效抑制表面波提升天線效能

在近幾年許多微波領域的研究文獻利用光子能隙(Photonic Band-Gap

PBG)的概念也就是在介電係數成週期性排列的三維介電材料中電磁波經介

電函數散射後某些波段的電磁波強度會因破壞性干涉而呈現衰減無法在系統

內傳遞而在頻譜上形成截止帶[7][8]應用這個觀念在平面式傳輸線上設計具

有週期性幾何結構的電路造成電磁波在某些頻段無法傳遞而達到濾波的效果

由於使用於微波頻段所以稱此種結構為電磁帶隙或電磁能隙(Electromagnetic

Band-Gap EBG)結構

一個 EBG 結構電路時為一個電路之接地面在沿著某方向或平面做週期性

幾何結構變化所構成的電路如圖 3-1

圖 3-1一維 EBG 結構電路圖

利用 EBG 電路的週期性幾何結構形成一個電磁波的截止帶實線一個具

有寬頻與良好效能的帶止濾波器(Bandstop Filter)本論文使用共平面緊密電磁

帶隙結構(Uniplanar Compact EBG)如圖 3-2取代傳統的完整或切割連結通道

CellCell Cell Cell Cell d d d d TL TL TL TL

24

的平面結構每個單位細胞間以細線做連結細線提供了主要的電感效應每個

單位細胞間以狹縫做為區隔細狹縫間之互容效應與單位細胞之平面電容提供

了主要電容效應利用並接的電感電容效應來達到一寬頻的截止帶

圖 3-2EBG 結構集總電路圖

為了得到我們需要的截止帶首先模擬一個理想傳輸線當對照組(圖 3-3)

使用了介電常數值為 44 的 FR4 電路板厚度為 16mm觀察其反射損耗與插入

損耗從圖 3-4 了解到傳輸線從 1GHz 到 15GHz 反射損耗皆在-20dB 以下插入

損耗-3dB 以上

圖 3-3微帶傳輸線

(a) 俯視圖

(b) 側視圖

25

圖 3-4微帶傳輸線之反射損耗與插入損耗

利用電磁帶隙週期性二維的重複結構如圖 3-5可以找到我們所需要的截止

帶從微帶線的插入損耗可以明顯得到所設計的截止帶頻段跟單位晶胞的大小

成正相關整體電路的等效電感與等效電容越大相對的頻帶也會往低頻跑

(a)正面俯視圖 (b)背面俯視圖

圖 3-5微帶線加上 EBG 結構正面與背面

26

改變單位晶胞大小與截止帶之比較分別從(圖 3-6)4mm2(圖 3-7)6mm2(圖

3-8)8mm2(圖 3-9)10mm2的晶胞大小可以控制截止帶落在哪些區域

(b)反射損耗

a b

g

gs

h

(a)單位晶胞大小

a = 4 mmb = 37 mm s = g = 03 mm h = 18 mm

a

27

圖 3-6微帶線加上 4mm2EBG 結構之晶胞大小與 S 參數比較

從圖 3-6 可以得知從 10GHz 到 12GHz 有一較深之截止帶14GHz 之後也有

截止頻帶只是實驗目標以低頻為主故只模擬到 15GHz繼續改變晶胞大小

來設計低頻截止帶

a b

g

gs

h

(a)單位晶胞大小

a = 6 mm b = 57 mm s = g = 03 mm h = 28 mm

a

(c)插入損耗

28

圖 3-7微帶線加上 6mm2EBG 結構之晶胞大小與 S 參數比較

讓 EBG 晶胞變大(6mm2)跟預期結果相符可以得到更低頻的截止帶低頻帶

從 7GHz 到 9GHz高頻帶 10GHz 之後仍然存在極深之截止帶

(b)S參數比較圖

a bg

gs

h

(a)單位晶胞大小

a = 8 mm b = 76 mm s = g = 04 mm h = 37 mm

a

29

圖 3-8微帶線加上 8mm2EBG 結構之晶胞大小與 S 參數比較

從圖 3-8 的結果得到更低頻的截止帶座落於 43GHz~58GHz 及

61GHz~7GHz 由 於 論 文 中 所 設 計 的 WiMAX 天 線 陣 列 工 作 頻 率 在

34GHz~37GHz故需再將晶胞大小改變讓系統能夠共振在更低頻處

(b)S參數比較圖

a bg

gs

h

(a)單位晶胞大小

a = 10 mm b = 93 mm s = g = 07 mm h = 42 mm

a

30

圖 3-9微帶線加上 10mm2EBG 結構之晶胞大小與 S 參數比較

將週期性電磁帶隙結構結合微帶線可以設計出需要的截止帶圖 3-9 主要

的截止帶在 325GHz~4GHz 及 465GHz~58GHz已經達到需求的頻帶範圍下

個目標將結合微帶天線做改善與比較

(b)S參數比較圖

31

32 電磁帶隙結構包圍方式之探討

321 有限接地面的探討

由於設計的微帶天線主要是在邊射(Broad-side)方向輻射所以需要選擇一個

適當的接地面大小讓輻射場型得到一個最佳值理論上來說無限大的接地面

可以得到最平滑(Smooth)的輻射場型只在單邊輻射不會受到地面干擾實際

上在有限的空間必須選擇一個適當大小的接地面以符合成本與面積要求

而有限的接地面卻容易造成邊緣效應干擾[12]表面波在接地面邊緣產生繞射場

(Diffracted fields)形成新的波源以陣列因子的觀點來看多了新的波源會造

成輻射場型加乘上的消長如圖 3-10微帶貼片天線主要是以前後兩側差半波

長之邊輻射而有限接地面則會在邊緣產生感應磁流(Induced equivalent

magnetic current)如圖 3-11從電場的指向可以推得磁流的方向對照輻射

場型容易在邊射方向造成波紋(Ripple)

圖 3-10有限接地面產生之輻射場型比較圖

L

32

圖 3-11介質中電場指向之強弱分布與感應磁流方向

由於接地面的大小在 E-plane 會產生波紋來干擾輻射場型所以論文中以

EBG 週期性結構來做為一個完美磁導體(Perfect Magnetic ConductorPMC)也

就是人工 PMC(Artificial PMC)抑制邊緣電場的垂直入射減弱感應磁流的效

應以改善天線輻射場型

322 天線周圍包覆 PMC

傳統上 EBG 以圍滿的方式來改善微帶天線之增益與輻射[13]並透過晶胞

數的不斷增加來提高增益及改善輻射場型但晶胞數的增加將提高成本加大

EBG 面積及天線整體體積高達一定數量時反而會降低天線性能對於微帶貼

片天線而言EBG 在接地面太靠近天線輻射邊反而影響其輻射機制造成頻率

飄移因此論文中將探討 EBG 的包圍方式對天線性能之影響以有最佳效果

已知高阻抗表面可以阻擋介質中表面波的傳遞因此先透過理想 PMC 來代

替所設計之高阻抗表面 EBG 結構以分析其特性找出提升天性能的最佳包圍

33

方式

首先把天線周圍包覆 PMC 如圖 3-12以逼近的方式慢慢擴大 PMC 的面積

一圈 PMC 的寬度與設計的晶胞大小邊長一樣從輻射場型來看使用到第二圈

時可以得到最佳的輻射效能如圖 3-13PMC 包圍有其最佳範圍取得有效的包

圍方式可以讓天線輻射最佳化

圖 3-12天線周圍包覆 PMC

34

圖 3-13天線周圍包覆 PMC 之輻射場型比較

參考天線 一圈 PMC 二圈 PMC 三圈 PMC

0 度增益 357dBi 432dBi 545dBi 478dBi

增益改善 075dB 188dB 121dB

表 3-1天線周圍包覆 PMC 之增益改善比較

35

323 輻射邊兩側包覆 PMC

由於微帶天線之表面波傳遞方向以 xz 切面為主如圖 3-14因此在微帶天線

輻射邊的兩側擺放 EBG 結構以抑制其傳遞有效改善天線輻射場型首先使

用理想的 PMC 在天線輻射邊兩側包覆如圖 3-15對於 PMC 覆蓋面積的大小作一

探討變化 PMC 之覆蓋面積了解其對天線輻射場型的影響在邊射(broadside)

方向的輻射場型可以有效改善波紋讓旁波瓣(sidelobe)大幅度降低如圖 3-16

所示以兩列 PMC 可以達到較佳效果再增加一列 PMC 雖些許增加增益不

過 PMC 覆蓋的面積已達飽和因此從上述可知在結合 EBG 和微帶天線時

將有一最佳之覆蓋面積使用最適當之晶胞數來達到最佳的增益改善

圖 3-14表面波在介質空間中分布

36

圖 3-15輻射邊兩側包覆 PMC

圖 3-16輻射邊兩側包覆 PMC 之輻射場型比較

37

參考天線 一列 PMC 二列 PMC 三列 PMC

0 度增益 357dBi 528dBi 642dBi 644dBi

增益改善 171dB 285dB 287dB

表 3-2輻射邊兩側包覆 PMC 之增益改善比較

33 電磁帶隙結構結合單一微帶天線

以下將結合所設計之 EBG 結構和微帶天線以改善微帶天線之輻射場型干

擾從前述的探討先以圍繞式包圍天線做輻射場型比較如圖 3-17 所示

圖 3-17天線周圍包覆 EBG 之輻射場型比較

38

0 度增益

Ref patch antenna 357dBi

圍繞 EBG 572dBi

ΔGain 215dB

表 3-3天線周圍包覆 EBG 之增益改善比較

由於表面波之傳遞主要為 X 軸方向因此以 EBG 之較寬頻的維度來抑制 X

方向的表面波其結合方式如下以兩列 EBG 結構與天線結合比較如圖 3-18

圖 3-18輻射邊兩側包覆 EBG 之輻射場型比較

39

0 度增益

Ref patch antenna 357dBi

輻射邊包覆 EBG 577dBi

ΔGain 22dB

表 3-4輻射邊兩側包覆 EBG 之增益改善比較

兩種包覆 EBG 的情形做比較使用輻射邊兩側包覆 EBG 對表面波抑制可以

達到最直接的效果再對接地面做變化令輻射邊到接地面邊緣距離等於 15 倍

空氣中波長邊緣的等效感應磁流干擾最大在垂射(broadside)方向造成 30 度到

60 度的旁波瓣將晶胞數加到三列使得輻射場型能有最佳效果如圖 3-19 所示

圖 3-19較大接地面應用更多晶胞數改善輻射場型圖

40

34 電磁帶隙結構結合微帶天線陣列

第二章敘述之高增益天線陣列由於在 E-plane 產生較大之旁波瓣因此論

文將結合 EBG 結構與天線陣列改善輻射場型以符合 ETSI-TS2 規範要求

對原本的天線陣列與改善後的天線陣列作一比較如圖 3-20 為天線結構示意圖

俯視圖 yz 切面為表面波影響較大的面因此我們在 E-plane 兩側包覆 EBG使

用三列的 EBG 週期結構另外圖 3-21 為(a)34GHz(b)355GHz(c)37GHz

輻射場型在 E-plane 的改善比較可以發現在(a)跟(b)改善的效果特別明顯旁波

瓣減弱許多而(c)原本旁波瓣就不大所以改善較不明顯再跟 ETSI-mask 做

比較如圖 3-22改善後的天線陣列距離輻射場型標準線有較大之安全距離對實

作上的誤差影響會比較小以下針對輻射場型做一比較

圖 3-20原始天線陣列與應用 EBG 之天線陣列

41

(a)34GHz E-plane 輻射場型比較

(b)355GHz E-plane 輻射場型比較

(c)37GHz E-plane 輻射場型比較

圖 3-21原始天線陣列與應用 EBG 之天線陣列輻射場型比較

(a)34GHz (b)355GHz (c)37GHz

42

(a)34GHz E-plane

(b)355GHz E-plane

(a)37GHz E-plane

圖 3-22原始天線陣列與應用 EBG 之天線陣列與 ETSI-mask 比較

(a)34GHz (b)355GHz (c)37GHz

43

35 模擬與量測結果比較

由上述模擬的結果進行實作及量測的工作如圖 3-23 為微帶天線結合 EBG

結構的架構表 3-5 列出了板材的規格使用的基板是 FR4 玻璃纖維基板並架高

空氣高度為 5mm

Dielectric constant(topbottom) 44 44

Substrate thickness(topbottom) 08mm 16mm

Loss tangent 002

Air gap 5mm

Upper substrate size 250mm x 200mm

Ground size 300mm x 250mm

表 3-5天線陣列設計參數

圖 3-23應用 EBG 之天線陣列結構圖

44

圖 3-24 為天線陣列在 34GHz355GHz37GHz 的輻射場型從圖中可以

觀察模擬與量測場型蠻相近的

(a)34GHz

(b)355GHz

45

(c)37GHz

圖 3-24天線陣列輻射場型模擬與量測比較

對於其輻射場型的分布需求要符合 ETSI-TS2 的規範以下針對輻射場型與

ETSI-mask 做一比較如圖 3-25 所示從圖中發現實作及量測輻射場型全部

工作頻段都能滿足 mask 要求完成一組高增益天線陣列

(a)34GHz

46

(b)355GHz

(c)37GHz

圖 3-25天線陣列輻射場型與 ETSI-mask 比較

圖 3-26 為天線陣列模擬與量測的反射損耗其工作頻率與設計之天線相去

不遠均包含 34GHz~37GHz頻寬設計較大的原因在於避免外在因素造成的頻

飄量測出來可達 33GHz~39GHz略往高頻飄不過與設計的反射損耗相當接

近圖 3-27 為實際量測的增益對頻率的變化圖其增益的全頻段都能大於

14dBiE-plane 與 H-plane 也較為接近整理數據如表 3-6

47

圖 3-26天線陣列反射損耗模擬與量測比較

圖 3-27天線陣列增益對頻率圖

48

頻率(GHz) 33 34 35 36 37 38

E-plane 增益

(dBi) 1485 1591 1620 1687 1627 1507

H-plane 增益

(dBi) 1421 1565 1598 1629 1607 1518

表 3-6天線陣列增益對頻率表

49

圖 3-28 為實體圖俯視圖側視圖與 EBG 實際大小比較

(a) 俯視圖

(b) 側視圖(空氣高度=05mm)

(c)EBG 實體結構

圖 3-28天線陣列實體圖

50

第四章 結論

(Conclusion)

本論文主要是研究適用於基地台的 WiMAX 頻段高增益天線陣列並控制其

頻寬增益及輻射場型能夠符合 ETSI(European Telecommunication Standards

Institute)的規範在論文第二章中提出的高增益天線陣列是利用一個能量分歧

器把能量等效分成三份的饋入網路接上三組一樣的三元素陣列矩形微帶天線所

組成的天線陣列最高增益可達到 17dBi工作頻率的增益都能超過要求的

14dBi輻射場型符合 ETSI-TS2 規範另外本論文所提出的天線陣列為印刷式

天線不但具有輕量化的特性且大幅降低製作上的困難度也減輕了成本的負擔

透過本論文所設計之 EBG 可有效降低傳統 EBG 結構的製程僅以 FR4 板

材即可自行實作比較無須鉚釘並提出有效提升微帶天線增益的包圍方式在

有限的接地面下可選擇適當的晶胞數來改善天線陣列的輻射場型抑制表面波

對天線的干擾讓邊際效應產生的感應磁流干擾降到最低最後在實作及量測部

分驗證我們模擬的結果

51

參考文獻

[1] W L Stutzman and G A Thiele Antenna Theory and Design 2nd ed New York

Wiley 1998

[2] A Balanis Antenna Theory Analysis and Design New York Wiley 1997

[3] R Gardelli G La Cono and M Albani ldquoA low-cost suspended patch antenna for

WLAN access points and point-to-point linksrdquo IEEE Antennas and Propagat vol

3 no 1 pp 90-93 2004

[4] H F Pues and A R Van de capelle ldquoAn impedance-matching technique for

increasing the bandwidth of microstrip antennasrdquo IEEE Trans on Antennas and

Propagat vol 37 no 11 pp 1345-1354 Nov 1989

[5] Q Song and XndashX Zhang ldquoA study on wideband gap-coupled microstrip antenna

arraysrdquo IEEE Trans On Antennas and Propagat vol 43 no 3 pp 313-317 Mar

1995

[6] D Sievenpiper L Z Romulo F J Broas N G Alexopolous and E Yablonovitch

ldquoHigh-impedance electromagnetic surfaces with a forbidden frequency bandrdquo

IEEE Trans Microwave Theory Tech vol 47 no 11 pp 311-335 Nov 1999

[7] F-R Yang K-P Ma Y Qian and T Itoh ldquo A Uniplanar Compact

Photonic-Bandgap (UC-PBG) Structure and Its Applications for Microwave

Circuitsrdquo IEEE Trans MTT vol 47 Aug 1999

[8] M F Abedin M Z Azad and M Ali ldquo wideband smaller unit-cell planar EBG

structures and their applicationrdquo IEEE Trans On Antenna and Propagat vol 56

no 3 pp 903-908 Mar 2008

[9] I J Bahl and P Bhartia Microstrip Antennas Artech House 1980

[10] JR James and P S Hall Handbook of Microstrip Antennas LondonPeter

Peregrinus Ltd 1989

52

[11] K C Gupta R Garg I J Bahl P Bhartia Microstrip Lines and Slotlines 2nd ed

Norwood MAArtech House 1996

[12] T Namiki Y Murayama and K Ito ldquo Improving radiation-pattern distortion of a

patch antenna having a finite ground planerdquo IEEE Trans On Antenna and

Propagat vol 51 no 3 pp 478-482 Mar 2003

[13] R Coccioli F-R Yang K-P Ma and T Itoh ldquo Aperture-coupled patch antenna

on UC-PBG substraterdquo IEEE Trans Microwave Theory Tech vol 47 no 11 pp

2123-2130 Nov 1999

[14] F Yang and Y Rahmat-samii ldquo Microstrip antenna integrated with

electromagnetic band-gap (EBG) structure a low mutual coupling design for array

applicationrdquo IEEE Trans On Antenna and Propagat vol 51 no 10 pp

2936-2946 Oct2003

[15] Z Iluz R Shavit and R Bauer ldquo Microstrip antenna phased array with

electromagnetic bandgap substraterdquo IEEE Trans On Antenna and Propagat vol

52 no 6 pp 1446-1453 June 2004

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DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU ltFEFF00560065007200770065006e00640065006e0020005300690065002000640069006500730065002000450069006e007300740065006c006c0075006e00670065006e0020007a0075006d002000450072007300740065006c006c0065006e00200076006f006e002000410064006f006200650020005000440046002d0044006f006b0075006d0065006e00740065006e002c00200076006f006e002000640065006e0065006e002000530069006500200068006f00630068007700650072007400690067006500200044007200750063006b006500200061007500660020004400650073006b0074006f0070002d0044007200750063006b00650072006e00200075006e0064002000500072006f006f0066002d00470065007200e400740065006e002000650072007a0065007500670065006e0020006d00f60063006800740065006e002e002000450072007300740065006c006c007400650020005000440046002d0044006f006b0075006d0065006e007400650020006b00f6006e006e0065006e0020006d006900740020004100630072006f00620061007400200075006e0064002000410064006f00620065002000520065006100640065007200200035002e00300020006f0064006500720020006800f600680065007200200067006500f600660066006e00650074002000770065007200640065006e002egt ESP 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 FRA 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 ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP ltFEFF005500740069006c0069006300650020006500730074006100200063006f006e0066006900670075007200610063006900f3006e0020007000610072006100200063007200650061007200200064006f00630075006d0065006e0074006f0073002000640065002000410064006f0062006500200050004400460020007000610072006100200063006f006e00730065006700750069007200200069006d0070007200650073006900f3006e002000640065002000630061006c006900640061006400200065006e00200069006d0070007200650073006f0072006100730020006400650020006500730063007200690074006f00720069006f00200079002000680065007200720061006d00690065006e00740061007300200064006500200063006f00720072006500630063006900f3006e002e002000530065002000700075006500640065006e00200061006200720069007200200064006f00630075006d0065006e0074006f00730020005000440046002000630072006500610064006f007300200063006f006e0020004100630072006f006200610074002c002000410064006f00620065002000520065006100640065007200200035002e003000200079002000760065007200730069006f006e0065007300200070006f00730074006500720069006f007200650073002egt FRA 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 ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB ltFEFF005500740069006c0069007a006500200065007300730061007300200063006f006e00660069006700750072006100e700f50065007300200064006500200066006f0072006d00610020006100200063007200690061007200200064006f00630075006d0065006e0074006f0073002000410064006f0062006500200050004400460020007000610072006100200069006d0070007200650073007300f5006500730020006400650020007100750061006c0069006400610064006500200065006d00200069006d00700072006500730073006f0072006100730020006400650073006b0074006f00700020006500200064006900730070006f00730069007400690076006f0073002000640065002000700072006f00760061002e0020004f007300200064006f00630075006d0065006e0074006f00730020005000440046002000630072006900610064006f007300200070006f00640065006d0020007300650072002000610062006500720074006f007300200063006f006d0020006f0020004100630072006f006200610074002000650020006f002000410064006f00620065002000520065006100640065007200200035002e0030002000650020007600650072007300f50065007300200070006f00730074006500720069006f007200650073002egt SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP 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 FRA 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 ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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17

圖 2-17 為天線陣列在(a)34GHz(b)355GHz(c)37GHz 的輻射場型從圖

中可看出模擬與量測的輻射場型相當接近增益也能達到要求

(a)34GHz

(b)355GHz

18

(c)37GHz

圖 2-17天線陣列輻射場型

天線結構確定之後對於其輻射場型的分布需求要符合 ETSI-TS2 的規範

表 2-3 為 ETSI-TS2 對輻射場型分布的要求以下針對輻射場型與 ETSI-mask 做

一比較如圖 2-18 所示從圖中發現除了 34GHz 些微超出標準之外其餘頻

段都能滿足輻射場型要求之後會將改善的部份再做比較

表 2-3ETSI-TS2 對輻射場型分布之要求

19

(a)34GHz

(b)355GHz

(c)37GHz

圖 2-18天線陣列輻射場型與 ETSI-mask 之比較

20

圖 2-19 為天線陣列模擬與量測的反射損耗其工作頻率與設計之天線相去

不遠均包含 34GHz~37GHz圖 2-20 為實際量測的增益對頻率的變化圖其

增益的全頻段都能大於 14dBi其中某些頻率點可看出 E-plane 與 H-plane 所量

測到的最大增益值並不相同這主要的原因在於由饋入網路輸出端在在不同頻率

會有些微的相位差所致使得天線的最大增益值會些微偏移一個角度不過基

本上的趨勢還是相近

圖 2-19天線陣列模擬與量測之反射損耗

21

圖 2-20天線陣列增益對頻率圖

頻率(GHz) 33 34 35 36 37 38

E-plane 增益

(dBi) 1457 1619 1702 1634 1568 1429

H-plane 增益

(dB) 1421 1582 1624 1607 1581 1434

表 2-4天線陣列增益對頻率表

22

(a)俯視圖

(b)側視圖

圖 2-21天線陣列實體圖(a)俯視圖(b)側視圖

23

第三章 電磁帶隙結構與應用

(Electromagnetic Band-Gap Structure and Its Applications )

31 單位晶胞設計與截止帶比較

在天線中通常在較高之基板厚度及較大之介電常數時容易產生表面波

干擾天線輻射為了阻止表面波的傳遞論文中設計了高阻抗表面也就是所謂

的電磁帶隙(EBG)結構能有效抑制表面波提升天線效能

在近幾年許多微波領域的研究文獻利用光子能隙(Photonic Band-Gap

PBG)的概念也就是在介電係數成週期性排列的三維介電材料中電磁波經介

電函數散射後某些波段的電磁波強度會因破壞性干涉而呈現衰減無法在系統

內傳遞而在頻譜上形成截止帶[7][8]應用這個觀念在平面式傳輸線上設計具

有週期性幾何結構的電路造成電磁波在某些頻段無法傳遞而達到濾波的效果

由於使用於微波頻段所以稱此種結構為電磁帶隙或電磁能隙(Electromagnetic

Band-Gap EBG)結構

一個 EBG 結構電路時為一個電路之接地面在沿著某方向或平面做週期性

幾何結構變化所構成的電路如圖 3-1

圖 3-1一維 EBG 結構電路圖

利用 EBG 電路的週期性幾何結構形成一個電磁波的截止帶實線一個具

有寬頻與良好效能的帶止濾波器(Bandstop Filter)本論文使用共平面緊密電磁

帶隙結構(Uniplanar Compact EBG)如圖 3-2取代傳統的完整或切割連結通道

CellCell Cell Cell Cell d d d d TL TL TL TL

24

的平面結構每個單位細胞間以細線做連結細線提供了主要的電感效應每個

單位細胞間以狹縫做為區隔細狹縫間之互容效應與單位細胞之平面電容提供

了主要電容效應利用並接的電感電容效應來達到一寬頻的截止帶

圖 3-2EBG 結構集總電路圖

為了得到我們需要的截止帶首先模擬一個理想傳輸線當對照組(圖 3-3)

使用了介電常數值為 44 的 FR4 電路板厚度為 16mm觀察其反射損耗與插入

損耗從圖 3-4 了解到傳輸線從 1GHz 到 15GHz 反射損耗皆在-20dB 以下插入

損耗-3dB 以上

圖 3-3微帶傳輸線

(a) 俯視圖

(b) 側視圖

25

圖 3-4微帶傳輸線之反射損耗與插入損耗

利用電磁帶隙週期性二維的重複結構如圖 3-5可以找到我們所需要的截止

帶從微帶線的插入損耗可以明顯得到所設計的截止帶頻段跟單位晶胞的大小

成正相關整體電路的等效電感與等效電容越大相對的頻帶也會往低頻跑

(a)正面俯視圖 (b)背面俯視圖

圖 3-5微帶線加上 EBG 結構正面與背面

26

改變單位晶胞大小與截止帶之比較分別從(圖 3-6)4mm2(圖 3-7)6mm2(圖

3-8)8mm2(圖 3-9)10mm2的晶胞大小可以控制截止帶落在哪些區域

(b)反射損耗

a b

g

gs

h

(a)單位晶胞大小

a = 4 mmb = 37 mm s = g = 03 mm h = 18 mm

a

27

圖 3-6微帶線加上 4mm2EBG 結構之晶胞大小與 S 參數比較

從圖 3-6 可以得知從 10GHz 到 12GHz 有一較深之截止帶14GHz 之後也有

截止頻帶只是實驗目標以低頻為主故只模擬到 15GHz繼續改變晶胞大小

來設計低頻截止帶

a b

g

gs

h

(a)單位晶胞大小

a = 6 mm b = 57 mm s = g = 03 mm h = 28 mm

a

(c)插入損耗

28

圖 3-7微帶線加上 6mm2EBG 結構之晶胞大小與 S 參數比較

讓 EBG 晶胞變大(6mm2)跟預期結果相符可以得到更低頻的截止帶低頻帶

從 7GHz 到 9GHz高頻帶 10GHz 之後仍然存在極深之截止帶

(b)S參數比較圖

a bg

gs

h

(a)單位晶胞大小

a = 8 mm b = 76 mm s = g = 04 mm h = 37 mm

a

29

圖 3-8微帶線加上 8mm2EBG 結構之晶胞大小與 S 參數比較

從圖 3-8 的結果得到更低頻的截止帶座落於 43GHz~58GHz 及

61GHz~7GHz 由 於 論 文 中 所 設 計 的 WiMAX 天 線 陣 列 工 作 頻 率 在

34GHz~37GHz故需再將晶胞大小改變讓系統能夠共振在更低頻處

(b)S參數比較圖

a bg

gs

h

(a)單位晶胞大小

a = 10 mm b = 93 mm s = g = 07 mm h = 42 mm

a

30

圖 3-9微帶線加上 10mm2EBG 結構之晶胞大小與 S 參數比較

將週期性電磁帶隙結構結合微帶線可以設計出需要的截止帶圖 3-9 主要

的截止帶在 325GHz~4GHz 及 465GHz~58GHz已經達到需求的頻帶範圍下

個目標將結合微帶天線做改善與比較

(b)S參數比較圖

31

32 電磁帶隙結構包圍方式之探討

321 有限接地面的探討

由於設計的微帶天線主要是在邊射(Broad-side)方向輻射所以需要選擇一個

適當的接地面大小讓輻射場型得到一個最佳值理論上來說無限大的接地面

可以得到最平滑(Smooth)的輻射場型只在單邊輻射不會受到地面干擾實際

上在有限的空間必須選擇一個適當大小的接地面以符合成本與面積要求

而有限的接地面卻容易造成邊緣效應干擾[12]表面波在接地面邊緣產生繞射場

(Diffracted fields)形成新的波源以陣列因子的觀點來看多了新的波源會造

成輻射場型加乘上的消長如圖 3-10微帶貼片天線主要是以前後兩側差半波

長之邊輻射而有限接地面則會在邊緣產生感應磁流(Induced equivalent

magnetic current)如圖 3-11從電場的指向可以推得磁流的方向對照輻射

場型容易在邊射方向造成波紋(Ripple)

圖 3-10有限接地面產生之輻射場型比較圖

L

32

圖 3-11介質中電場指向之強弱分布與感應磁流方向

由於接地面的大小在 E-plane 會產生波紋來干擾輻射場型所以論文中以

EBG 週期性結構來做為一個完美磁導體(Perfect Magnetic ConductorPMC)也

就是人工 PMC(Artificial PMC)抑制邊緣電場的垂直入射減弱感應磁流的效

應以改善天線輻射場型

322 天線周圍包覆 PMC

傳統上 EBG 以圍滿的方式來改善微帶天線之增益與輻射[13]並透過晶胞

數的不斷增加來提高增益及改善輻射場型但晶胞數的增加將提高成本加大

EBG 面積及天線整體體積高達一定數量時反而會降低天線性能對於微帶貼

片天線而言EBG 在接地面太靠近天線輻射邊反而影響其輻射機制造成頻率

飄移因此論文中將探討 EBG 的包圍方式對天線性能之影響以有最佳效果

已知高阻抗表面可以阻擋介質中表面波的傳遞因此先透過理想 PMC 來代

替所設計之高阻抗表面 EBG 結構以分析其特性找出提升天性能的最佳包圍

33

方式

首先把天線周圍包覆 PMC 如圖 3-12以逼近的方式慢慢擴大 PMC 的面積

一圈 PMC 的寬度與設計的晶胞大小邊長一樣從輻射場型來看使用到第二圈

時可以得到最佳的輻射效能如圖 3-13PMC 包圍有其最佳範圍取得有效的包

圍方式可以讓天線輻射最佳化

圖 3-12天線周圍包覆 PMC

34

圖 3-13天線周圍包覆 PMC 之輻射場型比較

參考天線 一圈 PMC 二圈 PMC 三圈 PMC

0 度增益 357dBi 432dBi 545dBi 478dBi

增益改善 075dB 188dB 121dB

表 3-1天線周圍包覆 PMC 之增益改善比較

35

323 輻射邊兩側包覆 PMC

由於微帶天線之表面波傳遞方向以 xz 切面為主如圖 3-14因此在微帶天線

輻射邊的兩側擺放 EBG 結構以抑制其傳遞有效改善天線輻射場型首先使

用理想的 PMC 在天線輻射邊兩側包覆如圖 3-15對於 PMC 覆蓋面積的大小作一

探討變化 PMC 之覆蓋面積了解其對天線輻射場型的影響在邊射(broadside)

方向的輻射場型可以有效改善波紋讓旁波瓣(sidelobe)大幅度降低如圖 3-16

所示以兩列 PMC 可以達到較佳效果再增加一列 PMC 雖些許增加增益不

過 PMC 覆蓋的面積已達飽和因此從上述可知在結合 EBG 和微帶天線時

將有一最佳之覆蓋面積使用最適當之晶胞數來達到最佳的增益改善

圖 3-14表面波在介質空間中分布

36

圖 3-15輻射邊兩側包覆 PMC

圖 3-16輻射邊兩側包覆 PMC 之輻射場型比較

37

參考天線 一列 PMC 二列 PMC 三列 PMC

0 度增益 357dBi 528dBi 642dBi 644dBi

增益改善 171dB 285dB 287dB

表 3-2輻射邊兩側包覆 PMC 之增益改善比較

33 電磁帶隙結構結合單一微帶天線

以下將結合所設計之 EBG 結構和微帶天線以改善微帶天線之輻射場型干

擾從前述的探討先以圍繞式包圍天線做輻射場型比較如圖 3-17 所示

圖 3-17天線周圍包覆 EBG 之輻射場型比較

38

0 度增益

Ref patch antenna 357dBi

圍繞 EBG 572dBi

ΔGain 215dB

表 3-3天線周圍包覆 EBG 之增益改善比較

由於表面波之傳遞主要為 X 軸方向因此以 EBG 之較寬頻的維度來抑制 X

方向的表面波其結合方式如下以兩列 EBG 結構與天線結合比較如圖 3-18

圖 3-18輻射邊兩側包覆 EBG 之輻射場型比較

39

0 度增益

Ref patch antenna 357dBi

輻射邊包覆 EBG 577dBi

ΔGain 22dB

表 3-4輻射邊兩側包覆 EBG 之增益改善比較

兩種包覆 EBG 的情形做比較使用輻射邊兩側包覆 EBG 對表面波抑制可以

達到最直接的效果再對接地面做變化令輻射邊到接地面邊緣距離等於 15 倍

空氣中波長邊緣的等效感應磁流干擾最大在垂射(broadside)方向造成 30 度到

60 度的旁波瓣將晶胞數加到三列使得輻射場型能有最佳效果如圖 3-19 所示

圖 3-19較大接地面應用更多晶胞數改善輻射場型圖

40

34 電磁帶隙結構結合微帶天線陣列

第二章敘述之高增益天線陣列由於在 E-plane 產生較大之旁波瓣因此論

文將結合 EBG 結構與天線陣列改善輻射場型以符合 ETSI-TS2 規範要求

對原本的天線陣列與改善後的天線陣列作一比較如圖 3-20 為天線結構示意圖

俯視圖 yz 切面為表面波影響較大的面因此我們在 E-plane 兩側包覆 EBG使

用三列的 EBG 週期結構另外圖 3-21 為(a)34GHz(b)355GHz(c)37GHz

輻射場型在 E-plane 的改善比較可以發現在(a)跟(b)改善的效果特別明顯旁波

瓣減弱許多而(c)原本旁波瓣就不大所以改善較不明顯再跟 ETSI-mask 做

比較如圖 3-22改善後的天線陣列距離輻射場型標準線有較大之安全距離對實

作上的誤差影響會比較小以下針對輻射場型做一比較

圖 3-20原始天線陣列與應用 EBG 之天線陣列

41

(a)34GHz E-plane 輻射場型比較

(b)355GHz E-plane 輻射場型比較

(c)37GHz E-plane 輻射場型比較

圖 3-21原始天線陣列與應用 EBG 之天線陣列輻射場型比較

(a)34GHz (b)355GHz (c)37GHz

42

(a)34GHz E-plane

(b)355GHz E-plane

(a)37GHz E-plane

圖 3-22原始天線陣列與應用 EBG 之天線陣列與 ETSI-mask 比較

(a)34GHz (b)355GHz (c)37GHz

43

35 模擬與量測結果比較

由上述模擬的結果進行實作及量測的工作如圖 3-23 為微帶天線結合 EBG

結構的架構表 3-5 列出了板材的規格使用的基板是 FR4 玻璃纖維基板並架高

空氣高度為 5mm

Dielectric constant(topbottom) 44 44

Substrate thickness(topbottom) 08mm 16mm

Loss tangent 002

Air gap 5mm

Upper substrate size 250mm x 200mm

Ground size 300mm x 250mm

表 3-5天線陣列設計參數

圖 3-23應用 EBG 之天線陣列結構圖

44

圖 3-24 為天線陣列在 34GHz355GHz37GHz 的輻射場型從圖中可以

觀察模擬與量測場型蠻相近的

(a)34GHz

(b)355GHz

45

(c)37GHz

圖 3-24天線陣列輻射場型模擬與量測比較

對於其輻射場型的分布需求要符合 ETSI-TS2 的規範以下針對輻射場型與

ETSI-mask 做一比較如圖 3-25 所示從圖中發現實作及量測輻射場型全部

工作頻段都能滿足 mask 要求完成一組高增益天線陣列

(a)34GHz

46

(b)355GHz

(c)37GHz

圖 3-25天線陣列輻射場型與 ETSI-mask 比較

圖 3-26 為天線陣列模擬與量測的反射損耗其工作頻率與設計之天線相去

不遠均包含 34GHz~37GHz頻寬設計較大的原因在於避免外在因素造成的頻

飄量測出來可達 33GHz~39GHz略往高頻飄不過與設計的反射損耗相當接

近圖 3-27 為實際量測的增益對頻率的變化圖其增益的全頻段都能大於

14dBiE-plane 與 H-plane 也較為接近整理數據如表 3-6

47

圖 3-26天線陣列反射損耗模擬與量測比較

圖 3-27天線陣列增益對頻率圖

48

頻率(GHz) 33 34 35 36 37 38

E-plane 增益

(dBi) 1485 1591 1620 1687 1627 1507

H-plane 增益

(dBi) 1421 1565 1598 1629 1607 1518

表 3-6天線陣列增益對頻率表

49

圖 3-28 為實體圖俯視圖側視圖與 EBG 實際大小比較

(a) 俯視圖

(b) 側視圖(空氣高度=05mm)

(c)EBG 實體結構

圖 3-28天線陣列實體圖

50

第四章 結論

(Conclusion)

本論文主要是研究適用於基地台的 WiMAX 頻段高增益天線陣列並控制其

頻寬增益及輻射場型能夠符合 ETSI(European Telecommunication Standards

Institute)的規範在論文第二章中提出的高增益天線陣列是利用一個能量分歧

器把能量等效分成三份的饋入網路接上三組一樣的三元素陣列矩形微帶天線所

組成的天線陣列最高增益可達到 17dBi工作頻率的增益都能超過要求的

14dBi輻射場型符合 ETSI-TS2 規範另外本論文所提出的天線陣列為印刷式

天線不但具有輕量化的特性且大幅降低製作上的困難度也減輕了成本的負擔

透過本論文所設計之 EBG 可有效降低傳統 EBG 結構的製程僅以 FR4 板

材即可自行實作比較無須鉚釘並提出有效提升微帶天線增益的包圍方式在

有限的接地面下可選擇適當的晶胞數來改善天線陣列的輻射場型抑制表面波

對天線的干擾讓邊際效應產生的感應磁流干擾降到最低最後在實作及量測部

分驗證我們模擬的結果

51

參考文獻

[1] W L Stutzman and G A Thiele Antenna Theory and Design 2nd ed New York

Wiley 1998

[2] A Balanis Antenna Theory Analysis and Design New York Wiley 1997

[3] R Gardelli G La Cono and M Albani ldquoA low-cost suspended patch antenna for

WLAN access points and point-to-point linksrdquo IEEE Antennas and Propagat vol

3 no 1 pp 90-93 2004

[4] H F Pues and A R Van de capelle ldquoAn impedance-matching technique for

increasing the bandwidth of microstrip antennasrdquo IEEE Trans on Antennas and

Propagat vol 37 no 11 pp 1345-1354 Nov 1989

[5] Q Song and XndashX Zhang ldquoA study on wideband gap-coupled microstrip antenna

arraysrdquo IEEE Trans On Antennas and Propagat vol 43 no 3 pp 313-317 Mar

1995

[6] D Sievenpiper L Z Romulo F J Broas N G Alexopolous and E Yablonovitch

ldquoHigh-impedance electromagnetic surfaces with a forbidden frequency bandrdquo

IEEE Trans Microwave Theory Tech vol 47 no 11 pp 311-335 Nov 1999

[7] F-R Yang K-P Ma Y Qian and T Itoh ldquo A Uniplanar Compact

Photonic-Bandgap (UC-PBG) Structure and Its Applications for Microwave

Circuitsrdquo IEEE Trans MTT vol 47 Aug 1999

[8] M F Abedin M Z Azad and M Ali ldquo wideband smaller unit-cell planar EBG

structures and their applicationrdquo IEEE Trans On Antenna and Propagat vol 56

no 3 pp 903-908 Mar 2008

[9] I J Bahl and P Bhartia Microstrip Antennas Artech House 1980

[10] JR James and P S Hall Handbook of Microstrip Antennas LondonPeter

Peregrinus Ltd 1989

52

[11] K C Gupta R Garg I J Bahl P Bhartia Microstrip Lines and Slotlines 2nd ed

Norwood MAArtech House 1996

[12] T Namiki Y Murayama and K Ito ldquo Improving radiation-pattern distortion of a

patch antenna having a finite ground planerdquo IEEE Trans On Antenna and

Propagat vol 51 no 3 pp 478-482 Mar 2003

[13] R Coccioli F-R Yang K-P Ma and T Itoh ldquo Aperture-coupled patch antenna

on UC-PBG substraterdquo IEEE Trans Microwave Theory Tech vol 47 no 11 pp

2123-2130 Nov 1999

[14] F Yang and Y Rahmat-samii ldquo Microstrip antenna integrated with

electromagnetic band-gap (EBG) structure a low mutual coupling design for array

applicationrdquo IEEE Trans On Antenna and Propagat vol 51 no 10 pp

2936-2946 Oct2003

[15] Z Iluz R Shavit and R Bauer ldquo Microstrip antenna phased array with

electromagnetic bandgap substraterdquo IEEE Trans On Antenna and Propagat vol

52 no 6 pp 1446-1453 June 2004

  • 封面pdf
  • 摘要與目錄pdf
  • 論文_終稿_pdf
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50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP 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 FRA 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 ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP 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 FRA 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18

(c)37GHz

圖 2-17天線陣列輻射場型

天線結構確定之後對於其輻射場型的分布需求要符合 ETSI-TS2 的規範

表 2-3 為 ETSI-TS2 對輻射場型分布的要求以下針對輻射場型與 ETSI-mask 做

一比較如圖 2-18 所示從圖中發現除了 34GHz 些微超出標準之外其餘頻

段都能滿足輻射場型要求之後會將改善的部份再做比較

表 2-3ETSI-TS2 對輻射場型分布之要求

19

(a)34GHz

(b)355GHz

(c)37GHz

圖 2-18天線陣列輻射場型與 ETSI-mask 之比較

20

圖 2-19 為天線陣列模擬與量測的反射損耗其工作頻率與設計之天線相去

不遠均包含 34GHz~37GHz圖 2-20 為實際量測的增益對頻率的變化圖其

增益的全頻段都能大於 14dBi其中某些頻率點可看出 E-plane 與 H-plane 所量

測到的最大增益值並不相同這主要的原因在於由饋入網路輸出端在在不同頻率

會有些微的相位差所致使得天線的最大增益值會些微偏移一個角度不過基

本上的趨勢還是相近

圖 2-19天線陣列模擬與量測之反射損耗

21

圖 2-20天線陣列增益對頻率圖

頻率(GHz) 33 34 35 36 37 38

E-plane 增益

(dBi) 1457 1619 1702 1634 1568 1429

H-plane 增益

(dB) 1421 1582 1624 1607 1581 1434

表 2-4天線陣列增益對頻率表

22

(a)俯視圖

(b)側視圖

圖 2-21天線陣列實體圖(a)俯視圖(b)側視圖

23

第三章 電磁帶隙結構與應用

(Electromagnetic Band-Gap Structure and Its Applications )

31 單位晶胞設計與截止帶比較

在天線中通常在較高之基板厚度及較大之介電常數時容易產生表面波

干擾天線輻射為了阻止表面波的傳遞論文中設計了高阻抗表面也就是所謂

的電磁帶隙(EBG)結構能有效抑制表面波提升天線效能

在近幾年許多微波領域的研究文獻利用光子能隙(Photonic Band-Gap

PBG)的概念也就是在介電係數成週期性排列的三維介電材料中電磁波經介

電函數散射後某些波段的電磁波強度會因破壞性干涉而呈現衰減無法在系統

內傳遞而在頻譜上形成截止帶[7][8]應用這個觀念在平面式傳輸線上設計具

有週期性幾何結構的電路造成電磁波在某些頻段無法傳遞而達到濾波的效果

由於使用於微波頻段所以稱此種結構為電磁帶隙或電磁能隙(Electromagnetic

Band-Gap EBG)結構

一個 EBG 結構電路時為一個電路之接地面在沿著某方向或平面做週期性

幾何結構變化所構成的電路如圖 3-1

圖 3-1一維 EBG 結構電路圖

利用 EBG 電路的週期性幾何結構形成一個電磁波的截止帶實線一個具

有寬頻與良好效能的帶止濾波器(Bandstop Filter)本論文使用共平面緊密電磁

帶隙結構(Uniplanar Compact EBG)如圖 3-2取代傳統的完整或切割連結通道

CellCell Cell Cell Cell d d d d TL TL TL TL

24

的平面結構每個單位細胞間以細線做連結細線提供了主要的電感效應每個

單位細胞間以狹縫做為區隔細狹縫間之互容效應與單位細胞之平面電容提供

了主要電容效應利用並接的電感電容效應來達到一寬頻的截止帶

圖 3-2EBG 結構集總電路圖

為了得到我們需要的截止帶首先模擬一個理想傳輸線當對照組(圖 3-3)

使用了介電常數值為 44 的 FR4 電路板厚度為 16mm觀察其反射損耗與插入

損耗從圖 3-4 了解到傳輸線從 1GHz 到 15GHz 反射損耗皆在-20dB 以下插入

損耗-3dB 以上

圖 3-3微帶傳輸線

(a) 俯視圖

(b) 側視圖

25

圖 3-4微帶傳輸線之反射損耗與插入損耗

利用電磁帶隙週期性二維的重複結構如圖 3-5可以找到我們所需要的截止

帶從微帶線的插入損耗可以明顯得到所設計的截止帶頻段跟單位晶胞的大小

成正相關整體電路的等效電感與等效電容越大相對的頻帶也會往低頻跑

(a)正面俯視圖 (b)背面俯視圖

圖 3-5微帶線加上 EBG 結構正面與背面

26

改變單位晶胞大小與截止帶之比較分別從(圖 3-6)4mm2(圖 3-7)6mm2(圖

3-8)8mm2(圖 3-9)10mm2的晶胞大小可以控制截止帶落在哪些區域

(b)反射損耗

a b

g

gs

h

(a)單位晶胞大小

a = 4 mmb = 37 mm s = g = 03 mm h = 18 mm

a

27

圖 3-6微帶線加上 4mm2EBG 結構之晶胞大小與 S 參數比較

從圖 3-6 可以得知從 10GHz 到 12GHz 有一較深之截止帶14GHz 之後也有

截止頻帶只是實驗目標以低頻為主故只模擬到 15GHz繼續改變晶胞大小

來設計低頻截止帶

a b

g

gs

h

(a)單位晶胞大小

a = 6 mm b = 57 mm s = g = 03 mm h = 28 mm

a

(c)插入損耗

28

圖 3-7微帶線加上 6mm2EBG 結構之晶胞大小與 S 參數比較

讓 EBG 晶胞變大(6mm2)跟預期結果相符可以得到更低頻的截止帶低頻帶

從 7GHz 到 9GHz高頻帶 10GHz 之後仍然存在極深之截止帶

(b)S參數比較圖

a bg

gs

h

(a)單位晶胞大小

a = 8 mm b = 76 mm s = g = 04 mm h = 37 mm

a

29

圖 3-8微帶線加上 8mm2EBG 結構之晶胞大小與 S 參數比較

從圖 3-8 的結果得到更低頻的截止帶座落於 43GHz~58GHz 及

61GHz~7GHz 由 於 論 文 中 所 設 計 的 WiMAX 天 線 陣 列 工 作 頻 率 在

34GHz~37GHz故需再將晶胞大小改變讓系統能夠共振在更低頻處

(b)S參數比較圖

a bg

gs

h

(a)單位晶胞大小

a = 10 mm b = 93 mm s = g = 07 mm h = 42 mm

a

30

圖 3-9微帶線加上 10mm2EBG 結構之晶胞大小與 S 參數比較

將週期性電磁帶隙結構結合微帶線可以設計出需要的截止帶圖 3-9 主要

的截止帶在 325GHz~4GHz 及 465GHz~58GHz已經達到需求的頻帶範圍下

個目標將結合微帶天線做改善與比較

(b)S參數比較圖

31

32 電磁帶隙結構包圍方式之探討

321 有限接地面的探討

由於設計的微帶天線主要是在邊射(Broad-side)方向輻射所以需要選擇一個

適當的接地面大小讓輻射場型得到一個最佳值理論上來說無限大的接地面

可以得到最平滑(Smooth)的輻射場型只在單邊輻射不會受到地面干擾實際

上在有限的空間必須選擇一個適當大小的接地面以符合成本與面積要求

而有限的接地面卻容易造成邊緣效應干擾[12]表面波在接地面邊緣產生繞射場

(Diffracted fields)形成新的波源以陣列因子的觀點來看多了新的波源會造

成輻射場型加乘上的消長如圖 3-10微帶貼片天線主要是以前後兩側差半波

長之邊輻射而有限接地面則會在邊緣產生感應磁流(Induced equivalent

magnetic current)如圖 3-11從電場的指向可以推得磁流的方向對照輻射

場型容易在邊射方向造成波紋(Ripple)

圖 3-10有限接地面產生之輻射場型比較圖

L

32

圖 3-11介質中電場指向之強弱分布與感應磁流方向

由於接地面的大小在 E-plane 會產生波紋來干擾輻射場型所以論文中以

EBG 週期性結構來做為一個完美磁導體(Perfect Magnetic ConductorPMC)也

就是人工 PMC(Artificial PMC)抑制邊緣電場的垂直入射減弱感應磁流的效

應以改善天線輻射場型

322 天線周圍包覆 PMC

傳統上 EBG 以圍滿的方式來改善微帶天線之增益與輻射[13]並透過晶胞

數的不斷增加來提高增益及改善輻射場型但晶胞數的增加將提高成本加大

EBG 面積及天線整體體積高達一定數量時反而會降低天線性能對於微帶貼

片天線而言EBG 在接地面太靠近天線輻射邊反而影響其輻射機制造成頻率

飄移因此論文中將探討 EBG 的包圍方式對天線性能之影響以有最佳效果

已知高阻抗表面可以阻擋介質中表面波的傳遞因此先透過理想 PMC 來代

替所設計之高阻抗表面 EBG 結構以分析其特性找出提升天性能的最佳包圍

33

方式

首先把天線周圍包覆 PMC 如圖 3-12以逼近的方式慢慢擴大 PMC 的面積

一圈 PMC 的寬度與設計的晶胞大小邊長一樣從輻射場型來看使用到第二圈

時可以得到最佳的輻射效能如圖 3-13PMC 包圍有其最佳範圍取得有效的包

圍方式可以讓天線輻射最佳化

圖 3-12天線周圍包覆 PMC

34

圖 3-13天線周圍包覆 PMC 之輻射場型比較

參考天線 一圈 PMC 二圈 PMC 三圈 PMC

0 度增益 357dBi 432dBi 545dBi 478dBi

增益改善 075dB 188dB 121dB

表 3-1天線周圍包覆 PMC 之增益改善比較

35

323 輻射邊兩側包覆 PMC

由於微帶天線之表面波傳遞方向以 xz 切面為主如圖 3-14因此在微帶天線

輻射邊的兩側擺放 EBG 結構以抑制其傳遞有效改善天線輻射場型首先使

用理想的 PMC 在天線輻射邊兩側包覆如圖 3-15對於 PMC 覆蓋面積的大小作一

探討變化 PMC 之覆蓋面積了解其對天線輻射場型的影響在邊射(broadside)

方向的輻射場型可以有效改善波紋讓旁波瓣(sidelobe)大幅度降低如圖 3-16

所示以兩列 PMC 可以達到較佳效果再增加一列 PMC 雖些許增加增益不

過 PMC 覆蓋的面積已達飽和因此從上述可知在結合 EBG 和微帶天線時

將有一最佳之覆蓋面積使用最適當之晶胞數來達到最佳的增益改善

圖 3-14表面波在介質空間中分布

36

圖 3-15輻射邊兩側包覆 PMC

圖 3-16輻射邊兩側包覆 PMC 之輻射場型比較

37

參考天線 一列 PMC 二列 PMC 三列 PMC

0 度增益 357dBi 528dBi 642dBi 644dBi

增益改善 171dB 285dB 287dB

表 3-2輻射邊兩側包覆 PMC 之增益改善比較

33 電磁帶隙結構結合單一微帶天線

以下將結合所設計之 EBG 結構和微帶天線以改善微帶天線之輻射場型干

擾從前述的探討先以圍繞式包圍天線做輻射場型比較如圖 3-17 所示

圖 3-17天線周圍包覆 EBG 之輻射場型比較

38

0 度增益

Ref patch antenna 357dBi

圍繞 EBG 572dBi

ΔGain 215dB

表 3-3天線周圍包覆 EBG 之增益改善比較

由於表面波之傳遞主要為 X 軸方向因此以 EBG 之較寬頻的維度來抑制 X

方向的表面波其結合方式如下以兩列 EBG 結構與天線結合比較如圖 3-18

圖 3-18輻射邊兩側包覆 EBG 之輻射場型比較

39

0 度增益

Ref patch antenna 357dBi

輻射邊包覆 EBG 577dBi

ΔGain 22dB

表 3-4輻射邊兩側包覆 EBG 之增益改善比較

兩種包覆 EBG 的情形做比較使用輻射邊兩側包覆 EBG 對表面波抑制可以

達到最直接的效果再對接地面做變化令輻射邊到接地面邊緣距離等於 15 倍

空氣中波長邊緣的等效感應磁流干擾最大在垂射(broadside)方向造成 30 度到

60 度的旁波瓣將晶胞數加到三列使得輻射場型能有最佳效果如圖 3-19 所示

圖 3-19較大接地面應用更多晶胞數改善輻射場型圖

40

34 電磁帶隙結構結合微帶天線陣列

第二章敘述之高增益天線陣列由於在 E-plane 產生較大之旁波瓣因此論

文將結合 EBG 結構與天線陣列改善輻射場型以符合 ETSI-TS2 規範要求

對原本的天線陣列與改善後的天線陣列作一比較如圖 3-20 為天線結構示意圖

俯視圖 yz 切面為表面波影響較大的面因此我們在 E-plane 兩側包覆 EBG使

用三列的 EBG 週期結構另外圖 3-21 為(a)34GHz(b)355GHz(c)37GHz

輻射場型在 E-plane 的改善比較可以發現在(a)跟(b)改善的效果特別明顯旁波

瓣減弱許多而(c)原本旁波瓣就不大所以改善較不明顯再跟 ETSI-mask 做

比較如圖 3-22改善後的天線陣列距離輻射場型標準線有較大之安全距離對實

作上的誤差影響會比較小以下針對輻射場型做一比較

圖 3-20原始天線陣列與應用 EBG 之天線陣列

41

(a)34GHz E-plane 輻射場型比較

(b)355GHz E-plane 輻射場型比較

(c)37GHz E-plane 輻射場型比較

圖 3-21原始天線陣列與應用 EBG 之天線陣列輻射場型比較

(a)34GHz (b)355GHz (c)37GHz

42

(a)34GHz E-plane

(b)355GHz E-plane

(a)37GHz E-plane

圖 3-22原始天線陣列與應用 EBG 之天線陣列與 ETSI-mask 比較

(a)34GHz (b)355GHz (c)37GHz

43

35 模擬與量測結果比較

由上述模擬的結果進行實作及量測的工作如圖 3-23 為微帶天線結合 EBG

結構的架構表 3-5 列出了板材的規格使用的基板是 FR4 玻璃纖維基板並架高

空氣高度為 5mm

Dielectric constant(topbottom) 44 44

Substrate thickness(topbottom) 08mm 16mm

Loss tangent 002

Air gap 5mm

Upper substrate size 250mm x 200mm

Ground size 300mm x 250mm

表 3-5天線陣列設計參數

圖 3-23應用 EBG 之天線陣列結構圖

44

圖 3-24 為天線陣列在 34GHz355GHz37GHz 的輻射場型從圖中可以

觀察模擬與量測場型蠻相近的

(a)34GHz

(b)355GHz

45

(c)37GHz

圖 3-24天線陣列輻射場型模擬與量測比較

對於其輻射場型的分布需求要符合 ETSI-TS2 的規範以下針對輻射場型與

ETSI-mask 做一比較如圖 3-25 所示從圖中發現實作及量測輻射場型全部

工作頻段都能滿足 mask 要求完成一組高增益天線陣列

(a)34GHz

46

(b)355GHz

(c)37GHz

圖 3-25天線陣列輻射場型與 ETSI-mask 比較

圖 3-26 為天線陣列模擬與量測的反射損耗其工作頻率與設計之天線相去

不遠均包含 34GHz~37GHz頻寬設計較大的原因在於避免外在因素造成的頻

飄量測出來可達 33GHz~39GHz略往高頻飄不過與設計的反射損耗相當接

近圖 3-27 為實際量測的增益對頻率的變化圖其增益的全頻段都能大於

14dBiE-plane 與 H-plane 也較為接近整理數據如表 3-6

47

圖 3-26天線陣列反射損耗模擬與量測比較

圖 3-27天線陣列增益對頻率圖

48

頻率(GHz) 33 34 35 36 37 38

E-plane 增益

(dBi) 1485 1591 1620 1687 1627 1507

H-plane 增益

(dBi) 1421 1565 1598 1629 1607 1518

表 3-6天線陣列增益對頻率表

49

圖 3-28 為實體圖俯視圖側視圖與 EBG 實際大小比較

(a) 俯視圖

(b) 側視圖(空氣高度=05mm)

(c)EBG 實體結構

圖 3-28天線陣列實體圖

50

第四章 結論

(Conclusion)

本論文主要是研究適用於基地台的 WiMAX 頻段高增益天線陣列並控制其

頻寬增益及輻射場型能夠符合 ETSI(European Telecommunication Standards

Institute)的規範在論文第二章中提出的高增益天線陣列是利用一個能量分歧

器把能量等效分成三份的饋入網路接上三組一樣的三元素陣列矩形微帶天線所

組成的天線陣列最高增益可達到 17dBi工作頻率的增益都能超過要求的

14dBi輻射場型符合 ETSI-TS2 規範另外本論文所提出的天線陣列為印刷式

天線不但具有輕量化的特性且大幅降低製作上的困難度也減輕了成本的負擔

透過本論文所設計之 EBG 可有效降低傳統 EBG 結構的製程僅以 FR4 板

材即可自行實作比較無須鉚釘並提出有效提升微帶天線增益的包圍方式在

有限的接地面下可選擇適當的晶胞數來改善天線陣列的輻射場型抑制表面波

對天線的干擾讓邊際效應產生的感應磁流干擾降到最低最後在實作及量測部

分驗證我們模擬的結果

51

參考文獻

[1] W L Stutzman and G A Thiele Antenna Theory and Design 2nd ed New York

Wiley 1998

[2] A Balanis Antenna Theory Analysis and Design New York Wiley 1997

[3] R Gardelli G La Cono and M Albani ldquoA low-cost suspended patch antenna for

WLAN access points and point-to-point linksrdquo IEEE Antennas and Propagat vol

3 no 1 pp 90-93 2004

[4] H F Pues and A R Van de capelle ldquoAn impedance-matching technique for

increasing the bandwidth of microstrip antennasrdquo IEEE Trans on Antennas and

Propagat vol 37 no 11 pp 1345-1354 Nov 1989

[5] Q Song and XndashX Zhang ldquoA study on wideband gap-coupled microstrip antenna

arraysrdquo IEEE Trans On Antennas and Propagat vol 43 no 3 pp 313-317 Mar

1995

[6] D Sievenpiper L Z Romulo F J Broas N G Alexopolous and E Yablonovitch

ldquoHigh-impedance electromagnetic surfaces with a forbidden frequency bandrdquo

IEEE Trans Microwave Theory Tech vol 47 no 11 pp 311-335 Nov 1999

[7] F-R Yang K-P Ma Y Qian and T Itoh ldquo A Uniplanar Compact

Photonic-Bandgap (UC-PBG) Structure and Its Applications for Microwave

Circuitsrdquo IEEE Trans MTT vol 47 Aug 1999

[8] M F Abedin M Z Azad and M Ali ldquo wideband smaller unit-cell planar EBG

structures and their applicationrdquo IEEE Trans On Antenna and Propagat vol 56

no 3 pp 903-908 Mar 2008

[9] I J Bahl and P Bhartia Microstrip Antennas Artech House 1980

[10] JR James and P S Hall Handbook of Microstrip Antennas LondonPeter

Peregrinus Ltd 1989

52

[11] K C Gupta R Garg I J Bahl P Bhartia Microstrip Lines and Slotlines 2nd ed

Norwood MAArtech House 1996

[12] T Namiki Y Murayama and K Ito ldquo Improving radiation-pattern distortion of a

patch antenna having a finite ground planerdquo IEEE Trans On Antenna and

Propagat vol 51 no 3 pp 478-482 Mar 2003

[13] R Coccioli F-R Yang K-P Ma and T Itoh ldquo Aperture-coupled patch antenna

on UC-PBG substraterdquo IEEE Trans Microwave Theory Tech vol 47 no 11 pp

2123-2130 Nov 1999

[14] F Yang and Y Rahmat-samii ldquo Microstrip antenna integrated with

electromagnetic band-gap (EBG) structure a low mutual coupling design for array

applicationrdquo IEEE Trans On Antenna and Propagat vol 51 no 10 pp

2936-2946 Oct2003

[15] Z Iluz R Shavit and R Bauer ldquo Microstrip antenna phased array with

electromagnetic bandgap substraterdquo IEEE Trans On Antenna and Propagat vol

52 no 6 pp 1446-1453 June 2004

  • 封面pdf
  • 摘要與目錄pdf
  • 論文_終稿_pdf
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 DEU 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 ESP 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FRA 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP 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 FRA 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 ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments 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19

(a)34GHz

(b)355GHz

(c)37GHz

圖 2-18天線陣列輻射場型與 ETSI-mask 之比較

20

圖 2-19 為天線陣列模擬與量測的反射損耗其工作頻率與設計之天線相去

不遠均包含 34GHz~37GHz圖 2-20 為實際量測的增益對頻率的變化圖其

增益的全頻段都能大於 14dBi其中某些頻率點可看出 E-plane 與 H-plane 所量

測到的最大增益值並不相同這主要的原因在於由饋入網路輸出端在在不同頻率

會有些微的相位差所致使得天線的最大增益值會些微偏移一個角度不過基

本上的趨勢還是相近

圖 2-19天線陣列模擬與量測之反射損耗

21

圖 2-20天線陣列增益對頻率圖

頻率(GHz) 33 34 35 36 37 38

E-plane 增益

(dBi) 1457 1619 1702 1634 1568 1429

H-plane 增益

(dB) 1421 1582 1624 1607 1581 1434

表 2-4天線陣列增益對頻率表

22

(a)俯視圖

(b)側視圖

圖 2-21天線陣列實體圖(a)俯視圖(b)側視圖

23

第三章 電磁帶隙結構與應用

(Electromagnetic Band-Gap Structure and Its Applications )

31 單位晶胞設計與截止帶比較

在天線中通常在較高之基板厚度及較大之介電常數時容易產生表面波

干擾天線輻射為了阻止表面波的傳遞論文中設計了高阻抗表面也就是所謂

的電磁帶隙(EBG)結構能有效抑制表面波提升天線效能

在近幾年許多微波領域的研究文獻利用光子能隙(Photonic Band-Gap

PBG)的概念也就是在介電係數成週期性排列的三維介電材料中電磁波經介

電函數散射後某些波段的電磁波強度會因破壞性干涉而呈現衰減無法在系統

內傳遞而在頻譜上形成截止帶[7][8]應用這個觀念在平面式傳輸線上設計具

有週期性幾何結構的電路造成電磁波在某些頻段無法傳遞而達到濾波的效果

由於使用於微波頻段所以稱此種結構為電磁帶隙或電磁能隙(Electromagnetic

Band-Gap EBG)結構

一個 EBG 結構電路時為一個電路之接地面在沿著某方向或平面做週期性

幾何結構變化所構成的電路如圖 3-1

圖 3-1一維 EBG 結構電路圖

利用 EBG 電路的週期性幾何結構形成一個電磁波的截止帶實線一個具

有寬頻與良好效能的帶止濾波器(Bandstop Filter)本論文使用共平面緊密電磁

帶隙結構(Uniplanar Compact EBG)如圖 3-2取代傳統的完整或切割連結通道

CellCell Cell Cell Cell d d d d TL TL TL TL

24

的平面結構每個單位細胞間以細線做連結細線提供了主要的電感效應每個

單位細胞間以狹縫做為區隔細狹縫間之互容效應與單位細胞之平面電容提供

了主要電容效應利用並接的電感電容效應來達到一寬頻的截止帶

圖 3-2EBG 結構集總電路圖

為了得到我們需要的截止帶首先模擬一個理想傳輸線當對照組(圖 3-3)

使用了介電常數值為 44 的 FR4 電路板厚度為 16mm觀察其反射損耗與插入

損耗從圖 3-4 了解到傳輸線從 1GHz 到 15GHz 反射損耗皆在-20dB 以下插入

損耗-3dB 以上

圖 3-3微帶傳輸線

(a) 俯視圖

(b) 側視圖

25

圖 3-4微帶傳輸線之反射損耗與插入損耗

利用電磁帶隙週期性二維的重複結構如圖 3-5可以找到我們所需要的截止

帶從微帶線的插入損耗可以明顯得到所設計的截止帶頻段跟單位晶胞的大小

成正相關整體電路的等效電感與等效電容越大相對的頻帶也會往低頻跑

(a)正面俯視圖 (b)背面俯視圖

圖 3-5微帶線加上 EBG 結構正面與背面

26

改變單位晶胞大小與截止帶之比較分別從(圖 3-6)4mm2(圖 3-7)6mm2(圖

3-8)8mm2(圖 3-9)10mm2的晶胞大小可以控制截止帶落在哪些區域

(b)反射損耗

a b

g

gs

h

(a)單位晶胞大小

a = 4 mmb = 37 mm s = g = 03 mm h = 18 mm

a

27

圖 3-6微帶線加上 4mm2EBG 結構之晶胞大小與 S 參數比較

從圖 3-6 可以得知從 10GHz 到 12GHz 有一較深之截止帶14GHz 之後也有

截止頻帶只是實驗目標以低頻為主故只模擬到 15GHz繼續改變晶胞大小

來設計低頻截止帶

a b

g

gs

h

(a)單位晶胞大小

a = 6 mm b = 57 mm s = g = 03 mm h = 28 mm

a

(c)插入損耗

28

圖 3-7微帶線加上 6mm2EBG 結構之晶胞大小與 S 參數比較

讓 EBG 晶胞變大(6mm2)跟預期結果相符可以得到更低頻的截止帶低頻帶

從 7GHz 到 9GHz高頻帶 10GHz 之後仍然存在極深之截止帶

(b)S參數比較圖

a bg

gs

h

(a)單位晶胞大小

a = 8 mm b = 76 mm s = g = 04 mm h = 37 mm

a

29

圖 3-8微帶線加上 8mm2EBG 結構之晶胞大小與 S 參數比較

從圖 3-8 的結果得到更低頻的截止帶座落於 43GHz~58GHz 及

61GHz~7GHz 由 於 論 文 中 所 設 計 的 WiMAX 天 線 陣 列 工 作 頻 率 在

34GHz~37GHz故需再將晶胞大小改變讓系統能夠共振在更低頻處

(b)S參數比較圖

a bg

gs

h

(a)單位晶胞大小

a = 10 mm b = 93 mm s = g = 07 mm h = 42 mm

a

30

圖 3-9微帶線加上 10mm2EBG 結構之晶胞大小與 S 參數比較

將週期性電磁帶隙結構結合微帶線可以設計出需要的截止帶圖 3-9 主要

的截止帶在 325GHz~4GHz 及 465GHz~58GHz已經達到需求的頻帶範圍下

個目標將結合微帶天線做改善與比較

(b)S參數比較圖

31

32 電磁帶隙結構包圍方式之探討

321 有限接地面的探討

由於設計的微帶天線主要是在邊射(Broad-side)方向輻射所以需要選擇一個

適當的接地面大小讓輻射場型得到一個最佳值理論上來說無限大的接地面

可以得到最平滑(Smooth)的輻射場型只在單邊輻射不會受到地面干擾實際

上在有限的空間必須選擇一個適當大小的接地面以符合成本與面積要求

而有限的接地面卻容易造成邊緣效應干擾[12]表面波在接地面邊緣產生繞射場

(Diffracted fields)形成新的波源以陣列因子的觀點來看多了新的波源會造

成輻射場型加乘上的消長如圖 3-10微帶貼片天線主要是以前後兩側差半波

長之邊輻射而有限接地面則會在邊緣產生感應磁流(Induced equivalent

magnetic current)如圖 3-11從電場的指向可以推得磁流的方向對照輻射

場型容易在邊射方向造成波紋(Ripple)

圖 3-10有限接地面產生之輻射場型比較圖

L

32

圖 3-11介質中電場指向之強弱分布與感應磁流方向

由於接地面的大小在 E-plane 會產生波紋來干擾輻射場型所以論文中以

EBG 週期性結構來做為一個完美磁導體(Perfect Magnetic ConductorPMC)也

就是人工 PMC(Artificial PMC)抑制邊緣電場的垂直入射減弱感應磁流的效

應以改善天線輻射場型

322 天線周圍包覆 PMC

傳統上 EBG 以圍滿的方式來改善微帶天線之增益與輻射[13]並透過晶胞

數的不斷增加來提高增益及改善輻射場型但晶胞數的增加將提高成本加大

EBG 面積及天線整體體積高達一定數量時反而會降低天線性能對於微帶貼

片天線而言EBG 在接地面太靠近天線輻射邊反而影響其輻射機制造成頻率

飄移因此論文中將探討 EBG 的包圍方式對天線性能之影響以有最佳效果

已知高阻抗表面可以阻擋介質中表面波的傳遞因此先透過理想 PMC 來代

替所設計之高阻抗表面 EBG 結構以分析其特性找出提升天性能的最佳包圍

33

方式

首先把天線周圍包覆 PMC 如圖 3-12以逼近的方式慢慢擴大 PMC 的面積

一圈 PMC 的寬度與設計的晶胞大小邊長一樣從輻射場型來看使用到第二圈

時可以得到最佳的輻射效能如圖 3-13PMC 包圍有其最佳範圍取得有效的包

圍方式可以讓天線輻射最佳化

圖 3-12天線周圍包覆 PMC

34

圖 3-13天線周圍包覆 PMC 之輻射場型比較

參考天線 一圈 PMC 二圈 PMC 三圈 PMC

0 度增益 357dBi 432dBi 545dBi 478dBi

增益改善 075dB 188dB 121dB

表 3-1天線周圍包覆 PMC 之增益改善比較

35

323 輻射邊兩側包覆 PMC

由於微帶天線之表面波傳遞方向以 xz 切面為主如圖 3-14因此在微帶天線

輻射邊的兩側擺放 EBG 結構以抑制其傳遞有效改善天線輻射場型首先使

用理想的 PMC 在天線輻射邊兩側包覆如圖 3-15對於 PMC 覆蓋面積的大小作一

探討變化 PMC 之覆蓋面積了解其對天線輻射場型的影響在邊射(broadside)

方向的輻射場型可以有效改善波紋讓旁波瓣(sidelobe)大幅度降低如圖 3-16

所示以兩列 PMC 可以達到較佳效果再增加一列 PMC 雖些許增加增益不

過 PMC 覆蓋的面積已達飽和因此從上述可知在結合 EBG 和微帶天線時

將有一最佳之覆蓋面積使用最適當之晶胞數來達到最佳的增益改善

圖 3-14表面波在介質空間中分布

36

圖 3-15輻射邊兩側包覆 PMC

圖 3-16輻射邊兩側包覆 PMC 之輻射場型比較

37

參考天線 一列 PMC 二列 PMC 三列 PMC

0 度增益 357dBi 528dBi 642dBi 644dBi

增益改善 171dB 285dB 287dB

表 3-2輻射邊兩側包覆 PMC 之增益改善比較

33 電磁帶隙結構結合單一微帶天線

以下將結合所設計之 EBG 結構和微帶天線以改善微帶天線之輻射場型干

擾從前述的探討先以圍繞式包圍天線做輻射場型比較如圖 3-17 所示

圖 3-17天線周圍包覆 EBG 之輻射場型比較

38

0 度增益

Ref patch antenna 357dBi

圍繞 EBG 572dBi

ΔGain 215dB

表 3-3天線周圍包覆 EBG 之增益改善比較

由於表面波之傳遞主要為 X 軸方向因此以 EBG 之較寬頻的維度來抑制 X

方向的表面波其結合方式如下以兩列 EBG 結構與天線結合比較如圖 3-18

圖 3-18輻射邊兩側包覆 EBG 之輻射場型比較

39

0 度增益

Ref patch antenna 357dBi

輻射邊包覆 EBG 577dBi

ΔGain 22dB

表 3-4輻射邊兩側包覆 EBG 之增益改善比較

兩種包覆 EBG 的情形做比較使用輻射邊兩側包覆 EBG 對表面波抑制可以

達到最直接的效果再對接地面做變化令輻射邊到接地面邊緣距離等於 15 倍

空氣中波長邊緣的等效感應磁流干擾最大在垂射(broadside)方向造成 30 度到

60 度的旁波瓣將晶胞數加到三列使得輻射場型能有最佳效果如圖 3-19 所示

圖 3-19較大接地面應用更多晶胞數改善輻射場型圖

40

34 電磁帶隙結構結合微帶天線陣列

第二章敘述之高增益天線陣列由於在 E-plane 產生較大之旁波瓣因此論

文將結合 EBG 結構與天線陣列改善輻射場型以符合 ETSI-TS2 規範要求

對原本的天線陣列與改善後的天線陣列作一比較如圖 3-20 為天線結構示意圖

俯視圖 yz 切面為表面波影響較大的面因此我們在 E-plane 兩側包覆 EBG使

用三列的 EBG 週期結構另外圖 3-21 為(a)34GHz(b)355GHz(c)37GHz

輻射場型在 E-plane 的改善比較可以發現在(a)跟(b)改善的效果特別明顯旁波

瓣減弱許多而(c)原本旁波瓣就不大所以改善較不明顯再跟 ETSI-mask 做

比較如圖 3-22改善後的天線陣列距離輻射場型標準線有較大之安全距離對實

作上的誤差影響會比較小以下針對輻射場型做一比較

圖 3-20原始天線陣列與應用 EBG 之天線陣列

41

(a)34GHz E-plane 輻射場型比較

(b)355GHz E-plane 輻射場型比較

(c)37GHz E-plane 輻射場型比較

圖 3-21原始天線陣列與應用 EBG 之天線陣列輻射場型比較

(a)34GHz (b)355GHz (c)37GHz

42

(a)34GHz E-plane

(b)355GHz E-plane

(a)37GHz E-plane

圖 3-22原始天線陣列與應用 EBG 之天線陣列與 ETSI-mask 比較

(a)34GHz (b)355GHz (c)37GHz

43

35 模擬與量測結果比較

由上述模擬的結果進行實作及量測的工作如圖 3-23 為微帶天線結合 EBG

結構的架構表 3-5 列出了板材的規格使用的基板是 FR4 玻璃纖維基板並架高

空氣高度為 5mm

Dielectric constant(topbottom) 44 44

Substrate thickness(topbottom) 08mm 16mm

Loss tangent 002

Air gap 5mm

Upper substrate size 250mm x 200mm

Ground size 300mm x 250mm

表 3-5天線陣列設計參數

圖 3-23應用 EBG 之天線陣列結構圖

44

圖 3-24 為天線陣列在 34GHz355GHz37GHz 的輻射場型從圖中可以

觀察模擬與量測場型蠻相近的

(a)34GHz

(b)355GHz

45

(c)37GHz

圖 3-24天線陣列輻射場型模擬與量測比較

對於其輻射場型的分布需求要符合 ETSI-TS2 的規範以下針對輻射場型與

ETSI-mask 做一比較如圖 3-25 所示從圖中發現實作及量測輻射場型全部

工作頻段都能滿足 mask 要求完成一組高增益天線陣列

(a)34GHz

46

(b)355GHz

(c)37GHz

圖 3-25天線陣列輻射場型與 ETSI-mask 比較

圖 3-26 為天線陣列模擬與量測的反射損耗其工作頻率與設計之天線相去

不遠均包含 34GHz~37GHz頻寬設計較大的原因在於避免外在因素造成的頻

飄量測出來可達 33GHz~39GHz略往高頻飄不過與設計的反射損耗相當接

近圖 3-27 為實際量測的增益對頻率的變化圖其增益的全頻段都能大於

14dBiE-plane 與 H-plane 也較為接近整理數據如表 3-6

47

圖 3-26天線陣列反射損耗模擬與量測比較

圖 3-27天線陣列增益對頻率圖

48

頻率(GHz) 33 34 35 36 37 38

E-plane 增益

(dBi) 1485 1591 1620 1687 1627 1507

H-plane 增益

(dBi) 1421 1565 1598 1629 1607 1518

表 3-6天線陣列增益對頻率表

49

圖 3-28 為實體圖俯視圖側視圖與 EBG 實際大小比較

(a) 俯視圖

(b) 側視圖(空氣高度=05mm)

(c)EBG 實體結構

圖 3-28天線陣列實體圖

50

第四章 結論

(Conclusion)

本論文主要是研究適用於基地台的 WiMAX 頻段高增益天線陣列並控制其

頻寬增益及輻射場型能夠符合 ETSI(European Telecommunication Standards

Institute)的規範在論文第二章中提出的高增益天線陣列是利用一個能量分歧

器把能量等效分成三份的饋入網路接上三組一樣的三元素陣列矩形微帶天線所

組成的天線陣列最高增益可達到 17dBi工作頻率的增益都能超過要求的

14dBi輻射場型符合 ETSI-TS2 規範另外本論文所提出的天線陣列為印刷式

天線不但具有輕量化的特性且大幅降低製作上的困難度也減輕了成本的負擔

透過本論文所設計之 EBG 可有效降低傳統 EBG 結構的製程僅以 FR4 板

材即可自行實作比較無須鉚釘並提出有效提升微帶天線增益的包圍方式在

有限的接地面下可選擇適當的晶胞數來改善天線陣列的輻射場型抑制表面波

對天線的干擾讓邊際效應產生的感應磁流干擾降到最低最後在實作及量測部

分驗證我們模擬的結果

51

參考文獻

[1] W L Stutzman and G A Thiele Antenna Theory and Design 2nd ed New York

Wiley 1998

[2] A Balanis Antenna Theory Analysis and Design New York Wiley 1997

[3] R Gardelli G La Cono and M Albani ldquoA low-cost suspended patch antenna for

WLAN access points and point-to-point linksrdquo IEEE Antennas and Propagat vol

3 no 1 pp 90-93 2004

[4] H F Pues and A R Van de capelle ldquoAn impedance-matching technique for

increasing the bandwidth of microstrip antennasrdquo IEEE Trans on Antennas and

Propagat vol 37 no 11 pp 1345-1354 Nov 1989

[5] Q Song and XndashX Zhang ldquoA study on wideband gap-coupled microstrip antenna

arraysrdquo IEEE Trans On Antennas and Propagat vol 43 no 3 pp 313-317 Mar

1995

[6] D Sievenpiper L Z Romulo F J Broas N G Alexopolous and E Yablonovitch

ldquoHigh-impedance electromagnetic surfaces with a forbidden frequency bandrdquo

IEEE Trans Microwave Theory Tech vol 47 no 11 pp 311-335 Nov 1999

[7] F-R Yang K-P Ma Y Qian and T Itoh ldquo A Uniplanar Compact

Photonic-Bandgap (UC-PBG) Structure and Its Applications for Microwave

Circuitsrdquo IEEE Trans MTT vol 47 Aug 1999

[8] M F Abedin M Z Azad and M Ali ldquo wideband smaller unit-cell planar EBG

structures and their applicationrdquo IEEE Trans On Antenna and Propagat vol 56

no 3 pp 903-908 Mar 2008

[9] I J Bahl and P Bhartia Microstrip Antennas Artech House 1980

[10] JR James and P S Hall Handbook of Microstrip Antennas LondonPeter

Peregrinus Ltd 1989

52

[11] K C Gupta R Garg I J Bahl P Bhartia Microstrip Lines and Slotlines 2nd ed

Norwood MAArtech House 1996

[12] T Namiki Y Murayama and K Ito ldquo Improving radiation-pattern distortion of a

patch antenna having a finite ground planerdquo IEEE Trans On Antenna and

Propagat vol 51 no 3 pp 478-482 Mar 2003

[13] R Coccioli F-R Yang K-P Ma and T Itoh ldquo Aperture-coupled patch antenna

on UC-PBG substraterdquo IEEE Trans Microwave Theory Tech vol 47 no 11 pp

2123-2130 Nov 1999

[14] F Yang and Y Rahmat-samii ldquo Microstrip antenna integrated with

electromagnetic band-gap (EBG) structure a low mutual coupling design for array

applicationrdquo IEEE Trans On Antenna and Propagat vol 51 no 10 pp

2936-2946 Oct2003

[15] Z Iluz R Shavit and R Bauer ldquo Microstrip antenna phased array with

electromagnetic bandgap substraterdquo IEEE Trans On Antenna and Propagat vol

52 no 6 pp 1446-1453 June 2004

  • 封面pdf
  • 摘要與目錄pdf
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 ESP 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 FRA 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 ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB ltFEFF005500740069006c0069007a006500200065007300730061007300200063006f006e00660069006700750072006100e700f50065007300200064006500200066006f0072006d00610020006100200063007200690061007200200064006f00630075006d0065006e0074006f0073002000410064006f0062006500200050004400460020007000610072006100200069006d0070007200650073007300f5006500730020006400650020007100750061006c0069006400610064006500200065006d00200069006d00700072006500730073006f0072006100730020006400650073006b0074006f00700020006500200064006900730070006f00730069007400690076006f0073002000640065002000700072006f00760061002e0020004f007300200064006f00630075006d0065006e0074006f00730020005000440046002000630072006900610064006f007300200070006f00640065006d0020007300650072002000610062006500720074006f007300200063006f006d0020006f0020004100630072006f006200610074002000650020006f002000410064006f00620065002000520065006100640065007200200035002e0030002000650020007600650072007300f50065007300200070006f00730074006500720069006f007200650073002egt SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP 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 FRA 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 ITA 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 JPN ltFEFF9ad854c18cea51fa529b7528002000410064006f0062006500200050004400460020658766f8306e4f5c6210306b4f7f75283057307e30593002537052376642306e753b8cea3092670059279650306b4fdd306430533068304c3067304d307e3059300230c730b930af30c830c330d730d730ea30f330bf3067306e53705237307e305f306f30d730eb30fc30d57528306b9069305730663044307e305930023053306e8a2d5b9a30674f5c62103055308c305f0020005000440046002030d530a130a430eb306f3001004100630072006f0062006100740020304a30883073002000410064006f00620065002000520065006100640065007200200035002e003000204ee5964d3067958b304f30533068304c3067304d307e30593002gt KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO ltFEFF004b00e40079007400e40020006e00e40069007400e4002000610073006500740075006b007300690061002c0020006b0075006e0020006c0075006f0074002000410064006f0062006500200050004400460020002d0064006f006b0075006d0065006e007400740065006a00610020006c0061006100640075006b006100730074006100200074007900f6007000f60079007400e400740075006c006f0073007400750073007400610020006a00610020007600650064006f007300740075007300740061002000760061007200740065006e002e00200020004c0075006f0064007500740020005000440046002d0064006f006b0075006d0065006e00740069007400200076006f0069006400610061006e0020006100760061007400610020004100630072006f0062006100740069006c006c00610020006a0061002000410064006f00620065002000520065006100640065007200200035002e0030003a006c006c00610020006a006100200075007500640065006d006d0069006c006c0061002egt SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP 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 FRA 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 ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

20

圖 2-19 為天線陣列模擬與量測的反射損耗其工作頻率與設計之天線相去

不遠均包含 34GHz~37GHz圖 2-20 為實際量測的增益對頻率的變化圖其

增益的全頻段都能大於 14dBi其中某些頻率點可看出 E-plane 與 H-plane 所量

測到的最大增益值並不相同這主要的原因在於由饋入網路輸出端在在不同頻率

會有些微的相位差所致使得天線的最大增益值會些微偏移一個角度不過基

本上的趨勢還是相近

圖 2-19天線陣列模擬與量測之反射損耗

21

圖 2-20天線陣列增益對頻率圖

頻率(GHz) 33 34 35 36 37 38

E-plane 增益

(dBi) 1457 1619 1702 1634 1568 1429

H-plane 增益

(dB) 1421 1582 1624 1607 1581 1434

表 2-4天線陣列增益對頻率表

22

(a)俯視圖

(b)側視圖

圖 2-21天線陣列實體圖(a)俯視圖(b)側視圖

23

第三章 電磁帶隙結構與應用

(Electromagnetic Band-Gap Structure and Its Applications )

31 單位晶胞設計與截止帶比較

在天線中通常在較高之基板厚度及較大之介電常數時容易產生表面波

干擾天線輻射為了阻止表面波的傳遞論文中設計了高阻抗表面也就是所謂

的電磁帶隙(EBG)結構能有效抑制表面波提升天線效能

在近幾年許多微波領域的研究文獻利用光子能隙(Photonic Band-Gap

PBG)的概念也就是在介電係數成週期性排列的三維介電材料中電磁波經介

電函數散射後某些波段的電磁波強度會因破壞性干涉而呈現衰減無法在系統

內傳遞而在頻譜上形成截止帶[7][8]應用這個觀念在平面式傳輸線上設計具

有週期性幾何結構的電路造成電磁波在某些頻段無法傳遞而達到濾波的效果

由於使用於微波頻段所以稱此種結構為電磁帶隙或電磁能隙(Electromagnetic

Band-Gap EBG)結構

一個 EBG 結構電路時為一個電路之接地面在沿著某方向或平面做週期性

幾何結構變化所構成的電路如圖 3-1

圖 3-1一維 EBG 結構電路圖

利用 EBG 電路的週期性幾何結構形成一個電磁波的截止帶實線一個具

有寬頻與良好效能的帶止濾波器(Bandstop Filter)本論文使用共平面緊密電磁

帶隙結構(Uniplanar Compact EBG)如圖 3-2取代傳統的完整或切割連結通道

CellCell Cell Cell Cell d d d d TL TL TL TL

24

的平面結構每個單位細胞間以細線做連結細線提供了主要的電感效應每個

單位細胞間以狹縫做為區隔細狹縫間之互容效應與單位細胞之平面電容提供

了主要電容效應利用並接的電感電容效應來達到一寬頻的截止帶

圖 3-2EBG 結構集總電路圖

為了得到我們需要的截止帶首先模擬一個理想傳輸線當對照組(圖 3-3)

使用了介電常數值為 44 的 FR4 電路板厚度為 16mm觀察其反射損耗與插入

損耗從圖 3-4 了解到傳輸線從 1GHz 到 15GHz 反射損耗皆在-20dB 以下插入

損耗-3dB 以上

圖 3-3微帶傳輸線

(a) 俯視圖

(b) 側視圖

25

圖 3-4微帶傳輸線之反射損耗與插入損耗

利用電磁帶隙週期性二維的重複結構如圖 3-5可以找到我們所需要的截止

帶從微帶線的插入損耗可以明顯得到所設計的截止帶頻段跟單位晶胞的大小

成正相關整體電路的等效電感與等效電容越大相對的頻帶也會往低頻跑

(a)正面俯視圖 (b)背面俯視圖

圖 3-5微帶線加上 EBG 結構正面與背面

26

改變單位晶胞大小與截止帶之比較分別從(圖 3-6)4mm2(圖 3-7)6mm2(圖

3-8)8mm2(圖 3-9)10mm2的晶胞大小可以控制截止帶落在哪些區域

(b)反射損耗

a b

g

gs

h

(a)單位晶胞大小

a = 4 mmb = 37 mm s = g = 03 mm h = 18 mm

a

27

圖 3-6微帶線加上 4mm2EBG 結構之晶胞大小與 S 參數比較

從圖 3-6 可以得知從 10GHz 到 12GHz 有一較深之截止帶14GHz 之後也有

截止頻帶只是實驗目標以低頻為主故只模擬到 15GHz繼續改變晶胞大小

來設計低頻截止帶

a b

g

gs

h

(a)單位晶胞大小

a = 6 mm b = 57 mm s = g = 03 mm h = 28 mm

a

(c)插入損耗

28

圖 3-7微帶線加上 6mm2EBG 結構之晶胞大小與 S 參數比較

讓 EBG 晶胞變大(6mm2)跟預期結果相符可以得到更低頻的截止帶低頻帶

從 7GHz 到 9GHz高頻帶 10GHz 之後仍然存在極深之截止帶

(b)S參數比較圖

a bg

gs

h

(a)單位晶胞大小

a = 8 mm b = 76 mm s = g = 04 mm h = 37 mm

a

29

圖 3-8微帶線加上 8mm2EBG 結構之晶胞大小與 S 參數比較

從圖 3-8 的結果得到更低頻的截止帶座落於 43GHz~58GHz 及

61GHz~7GHz 由 於 論 文 中 所 設 計 的 WiMAX 天 線 陣 列 工 作 頻 率 在

34GHz~37GHz故需再將晶胞大小改變讓系統能夠共振在更低頻處

(b)S參數比較圖

a bg

gs

h

(a)單位晶胞大小

a = 10 mm b = 93 mm s = g = 07 mm h = 42 mm

a

30

圖 3-9微帶線加上 10mm2EBG 結構之晶胞大小與 S 參數比較

將週期性電磁帶隙結構結合微帶線可以設計出需要的截止帶圖 3-9 主要

的截止帶在 325GHz~4GHz 及 465GHz~58GHz已經達到需求的頻帶範圍下

個目標將結合微帶天線做改善與比較

(b)S參數比較圖

31

32 電磁帶隙結構包圍方式之探討

321 有限接地面的探討

由於設計的微帶天線主要是在邊射(Broad-side)方向輻射所以需要選擇一個

適當的接地面大小讓輻射場型得到一個最佳值理論上來說無限大的接地面

可以得到最平滑(Smooth)的輻射場型只在單邊輻射不會受到地面干擾實際

上在有限的空間必須選擇一個適當大小的接地面以符合成本與面積要求

而有限的接地面卻容易造成邊緣效應干擾[12]表面波在接地面邊緣產生繞射場

(Diffracted fields)形成新的波源以陣列因子的觀點來看多了新的波源會造

成輻射場型加乘上的消長如圖 3-10微帶貼片天線主要是以前後兩側差半波

長之邊輻射而有限接地面則會在邊緣產生感應磁流(Induced equivalent

magnetic current)如圖 3-11從電場的指向可以推得磁流的方向對照輻射

場型容易在邊射方向造成波紋(Ripple)

圖 3-10有限接地面產生之輻射場型比較圖

L

32

圖 3-11介質中電場指向之強弱分布與感應磁流方向

由於接地面的大小在 E-plane 會產生波紋來干擾輻射場型所以論文中以

EBG 週期性結構來做為一個完美磁導體(Perfect Magnetic ConductorPMC)也

就是人工 PMC(Artificial PMC)抑制邊緣電場的垂直入射減弱感應磁流的效

應以改善天線輻射場型

322 天線周圍包覆 PMC

傳統上 EBG 以圍滿的方式來改善微帶天線之增益與輻射[13]並透過晶胞

數的不斷增加來提高增益及改善輻射場型但晶胞數的增加將提高成本加大

EBG 面積及天線整體體積高達一定數量時反而會降低天線性能對於微帶貼

片天線而言EBG 在接地面太靠近天線輻射邊反而影響其輻射機制造成頻率

飄移因此論文中將探討 EBG 的包圍方式對天線性能之影響以有最佳效果

已知高阻抗表面可以阻擋介質中表面波的傳遞因此先透過理想 PMC 來代

替所設計之高阻抗表面 EBG 結構以分析其特性找出提升天性能的最佳包圍

33

方式

首先把天線周圍包覆 PMC 如圖 3-12以逼近的方式慢慢擴大 PMC 的面積

一圈 PMC 的寬度與設計的晶胞大小邊長一樣從輻射場型來看使用到第二圈

時可以得到最佳的輻射效能如圖 3-13PMC 包圍有其最佳範圍取得有效的包

圍方式可以讓天線輻射最佳化

圖 3-12天線周圍包覆 PMC

34

圖 3-13天線周圍包覆 PMC 之輻射場型比較

參考天線 一圈 PMC 二圈 PMC 三圈 PMC

0 度增益 357dBi 432dBi 545dBi 478dBi

增益改善 075dB 188dB 121dB

表 3-1天線周圍包覆 PMC 之增益改善比較

35

323 輻射邊兩側包覆 PMC

由於微帶天線之表面波傳遞方向以 xz 切面為主如圖 3-14因此在微帶天線

輻射邊的兩側擺放 EBG 結構以抑制其傳遞有效改善天線輻射場型首先使

用理想的 PMC 在天線輻射邊兩側包覆如圖 3-15對於 PMC 覆蓋面積的大小作一

探討變化 PMC 之覆蓋面積了解其對天線輻射場型的影響在邊射(broadside)

方向的輻射場型可以有效改善波紋讓旁波瓣(sidelobe)大幅度降低如圖 3-16

所示以兩列 PMC 可以達到較佳效果再增加一列 PMC 雖些許增加增益不

過 PMC 覆蓋的面積已達飽和因此從上述可知在結合 EBG 和微帶天線時

將有一最佳之覆蓋面積使用最適當之晶胞數來達到最佳的增益改善

圖 3-14表面波在介質空間中分布

36

圖 3-15輻射邊兩側包覆 PMC

圖 3-16輻射邊兩側包覆 PMC 之輻射場型比較

37

參考天線 一列 PMC 二列 PMC 三列 PMC

0 度增益 357dBi 528dBi 642dBi 644dBi

增益改善 171dB 285dB 287dB

表 3-2輻射邊兩側包覆 PMC 之增益改善比較

33 電磁帶隙結構結合單一微帶天線

以下將結合所設計之 EBG 結構和微帶天線以改善微帶天線之輻射場型干

擾從前述的探討先以圍繞式包圍天線做輻射場型比較如圖 3-17 所示

圖 3-17天線周圍包覆 EBG 之輻射場型比較

38

0 度增益

Ref patch antenna 357dBi

圍繞 EBG 572dBi

ΔGain 215dB

表 3-3天線周圍包覆 EBG 之增益改善比較

由於表面波之傳遞主要為 X 軸方向因此以 EBG 之較寬頻的維度來抑制 X

方向的表面波其結合方式如下以兩列 EBG 結構與天線結合比較如圖 3-18

圖 3-18輻射邊兩側包覆 EBG 之輻射場型比較

39

0 度增益

Ref patch antenna 357dBi

輻射邊包覆 EBG 577dBi

ΔGain 22dB

表 3-4輻射邊兩側包覆 EBG 之增益改善比較

兩種包覆 EBG 的情形做比較使用輻射邊兩側包覆 EBG 對表面波抑制可以

達到最直接的效果再對接地面做變化令輻射邊到接地面邊緣距離等於 15 倍

空氣中波長邊緣的等效感應磁流干擾最大在垂射(broadside)方向造成 30 度到

60 度的旁波瓣將晶胞數加到三列使得輻射場型能有最佳效果如圖 3-19 所示

圖 3-19較大接地面應用更多晶胞數改善輻射場型圖

40

34 電磁帶隙結構結合微帶天線陣列

第二章敘述之高增益天線陣列由於在 E-plane 產生較大之旁波瓣因此論

文將結合 EBG 結構與天線陣列改善輻射場型以符合 ETSI-TS2 規範要求

對原本的天線陣列與改善後的天線陣列作一比較如圖 3-20 為天線結構示意圖

俯視圖 yz 切面為表面波影響較大的面因此我們在 E-plane 兩側包覆 EBG使

用三列的 EBG 週期結構另外圖 3-21 為(a)34GHz(b)355GHz(c)37GHz

輻射場型在 E-plane 的改善比較可以發現在(a)跟(b)改善的效果特別明顯旁波

瓣減弱許多而(c)原本旁波瓣就不大所以改善較不明顯再跟 ETSI-mask 做

比較如圖 3-22改善後的天線陣列距離輻射場型標準線有較大之安全距離對實

作上的誤差影響會比較小以下針對輻射場型做一比較

圖 3-20原始天線陣列與應用 EBG 之天線陣列

41

(a)34GHz E-plane 輻射場型比較

(b)355GHz E-plane 輻射場型比較

(c)37GHz E-plane 輻射場型比較

圖 3-21原始天線陣列與應用 EBG 之天線陣列輻射場型比較

(a)34GHz (b)355GHz (c)37GHz

42

(a)34GHz E-plane

(b)355GHz E-plane

(a)37GHz E-plane

圖 3-22原始天線陣列與應用 EBG 之天線陣列與 ETSI-mask 比較

(a)34GHz (b)355GHz (c)37GHz

43

35 模擬與量測結果比較

由上述模擬的結果進行實作及量測的工作如圖 3-23 為微帶天線結合 EBG

結構的架構表 3-5 列出了板材的規格使用的基板是 FR4 玻璃纖維基板並架高

空氣高度為 5mm

Dielectric constant(topbottom) 44 44

Substrate thickness(topbottom) 08mm 16mm

Loss tangent 002

Air gap 5mm

Upper substrate size 250mm x 200mm

Ground size 300mm x 250mm

表 3-5天線陣列設計參數

圖 3-23應用 EBG 之天線陣列結構圖

44

圖 3-24 為天線陣列在 34GHz355GHz37GHz 的輻射場型從圖中可以

觀察模擬與量測場型蠻相近的

(a)34GHz

(b)355GHz

45

(c)37GHz

圖 3-24天線陣列輻射場型模擬與量測比較

對於其輻射場型的分布需求要符合 ETSI-TS2 的規範以下針對輻射場型與

ETSI-mask 做一比較如圖 3-25 所示從圖中發現實作及量測輻射場型全部

工作頻段都能滿足 mask 要求完成一組高增益天線陣列

(a)34GHz

46

(b)355GHz

(c)37GHz

圖 3-25天線陣列輻射場型與 ETSI-mask 比較

圖 3-26 為天線陣列模擬與量測的反射損耗其工作頻率與設計之天線相去

不遠均包含 34GHz~37GHz頻寬設計較大的原因在於避免外在因素造成的頻

飄量測出來可達 33GHz~39GHz略往高頻飄不過與設計的反射損耗相當接

近圖 3-27 為實際量測的增益對頻率的變化圖其增益的全頻段都能大於

14dBiE-plane 與 H-plane 也較為接近整理數據如表 3-6

47

圖 3-26天線陣列反射損耗模擬與量測比較

圖 3-27天線陣列增益對頻率圖

48

頻率(GHz) 33 34 35 36 37 38

E-plane 增益

(dBi) 1485 1591 1620 1687 1627 1507

H-plane 增益

(dBi) 1421 1565 1598 1629 1607 1518

表 3-6天線陣列增益對頻率表

49

圖 3-28 為實體圖俯視圖側視圖與 EBG 實際大小比較

(a) 俯視圖

(b) 側視圖(空氣高度=05mm)

(c)EBG 實體結構

圖 3-28天線陣列實體圖

50

第四章 結論

(Conclusion)

本論文主要是研究適用於基地台的 WiMAX 頻段高增益天線陣列並控制其

頻寬增益及輻射場型能夠符合 ETSI(European Telecommunication Standards

Institute)的規範在論文第二章中提出的高增益天線陣列是利用一個能量分歧

器把能量等效分成三份的饋入網路接上三組一樣的三元素陣列矩形微帶天線所

組成的天線陣列最高增益可達到 17dBi工作頻率的增益都能超過要求的

14dBi輻射場型符合 ETSI-TS2 規範另外本論文所提出的天線陣列為印刷式

天線不但具有輕量化的特性且大幅降低製作上的困難度也減輕了成本的負擔

透過本論文所設計之 EBG 可有效降低傳統 EBG 結構的製程僅以 FR4 板

材即可自行實作比較無須鉚釘並提出有效提升微帶天線增益的包圍方式在

有限的接地面下可選擇適當的晶胞數來改善天線陣列的輻射場型抑制表面波

對天線的干擾讓邊際效應產生的感應磁流干擾降到最低最後在實作及量測部

分驗證我們模擬的結果

51

參考文獻

[1] W L Stutzman and G A Thiele Antenna Theory and Design 2nd ed New York

Wiley 1998

[2] A Balanis Antenna Theory Analysis and Design New York Wiley 1997

[3] R Gardelli G La Cono and M Albani ldquoA low-cost suspended patch antenna for

WLAN access points and point-to-point linksrdquo IEEE Antennas and Propagat vol

3 no 1 pp 90-93 2004

[4] H F Pues and A R Van de capelle ldquoAn impedance-matching technique for

increasing the bandwidth of microstrip antennasrdquo IEEE Trans on Antennas and

Propagat vol 37 no 11 pp 1345-1354 Nov 1989

[5] Q Song and XndashX Zhang ldquoA study on wideband gap-coupled microstrip antenna

arraysrdquo IEEE Trans On Antennas and Propagat vol 43 no 3 pp 313-317 Mar

1995

[6] D Sievenpiper L Z Romulo F J Broas N G Alexopolous and E Yablonovitch

ldquoHigh-impedance electromagnetic surfaces with a forbidden frequency bandrdquo

IEEE Trans Microwave Theory Tech vol 47 no 11 pp 311-335 Nov 1999

[7] F-R Yang K-P Ma Y Qian and T Itoh ldquo A Uniplanar Compact

Photonic-Bandgap (UC-PBG) Structure and Its Applications for Microwave

Circuitsrdquo IEEE Trans MTT vol 47 Aug 1999

[8] M F Abedin M Z Azad and M Ali ldquo wideband smaller unit-cell planar EBG

structures and their applicationrdquo IEEE Trans On Antenna and Propagat vol 56

no 3 pp 903-908 Mar 2008

[9] I J Bahl and P Bhartia Microstrip Antennas Artech House 1980

[10] JR James and P S Hall Handbook of Microstrip Antennas LondonPeter

Peregrinus Ltd 1989

52

[11] K C Gupta R Garg I J Bahl P Bhartia Microstrip Lines and Slotlines 2nd ed

Norwood MAArtech House 1996

[12] T Namiki Y Murayama and K Ito ldquo Improving radiation-pattern distortion of a

patch antenna having a finite ground planerdquo IEEE Trans On Antenna and

Propagat vol 51 no 3 pp 478-482 Mar 2003

[13] R Coccioli F-R Yang K-P Ma and T Itoh ldquo Aperture-coupled patch antenna

on UC-PBG substraterdquo IEEE Trans Microwave Theory Tech vol 47 no 11 pp

2123-2130 Nov 1999

[14] F Yang and Y Rahmat-samii ldquo Microstrip antenna integrated with

electromagnetic band-gap (EBG) structure a low mutual coupling design for array

applicationrdquo IEEE Trans On Antenna and Propagat vol 51 no 10 pp

2936-2946 Oct2003

[15] Z Iluz R Shavit and R Bauer ldquo Microstrip antenna phased array with

electromagnetic bandgap substraterdquo IEEE Trans On Antenna and Propagat vol

52 no 6 pp 1446-1453 June 2004

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  • 摘要與目錄pdf
  • 論文_終稿_pdf
    • ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN ltFEFF004200720075006700200069006e0064007300740069006c006c0069006e006700650072006e0065002000740069006c0020006100740020006f007000720065007400740065002000410064006f006200650020005000440046002d0064006f006b0075006d0065006e007400650072002000740069006c0020006b00760061006c00690074006500740073007500640073006b007200690076006e0069006e006700200065006c006c006500720020006b006f007200720065006b007400750072006c00e60073006e0069006e0067002e0020004400650020006f007000720065007400740065006400650020005000440046002d0064006f006b0075006d0065006e0074006500720020006b0061006e002000e50062006e00650073002000690020004100630072006f00620061007400200065006c006c006500720020004100630072006f006200610074002000520065006100640065007200200035002e00300020006f00670020006e0079006500720065002egt DEU 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 ESP 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 FRA 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 ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP 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 FRA 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 ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP 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 FRA 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 ITA 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 JPN ltFEFF9ad854c18cea51fa529b7528002000410064006f0062006500200050004400460020658766f8306e4f5c6210306b4f7f75283057307e30593002537052376642306e753b8cea3092670059279650306b4fdd306430533068304c3067304d307e3059300230c730b930af30c830c330d730d730ea30f330bf3067306e53705237307e305f306f30d730eb30fc30d57528306b9069305730663044307e305930023053306e8a2d5b9a30674f5c62103055308c305f0020005000440046002030d530a130a430eb306f3001004100630072006f0062006100740020304a30883073002000410064006f00620065002000520065006100640065007200200035002e003000204ee5964d3067958b304f30533068304c3067304d307e30593002gt KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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21

圖 2-20天線陣列增益對頻率圖

頻率(GHz) 33 34 35 36 37 38

E-plane 增益

(dBi) 1457 1619 1702 1634 1568 1429

H-plane 增益

(dB) 1421 1582 1624 1607 1581 1434

表 2-4天線陣列增益對頻率表

22

(a)俯視圖

(b)側視圖

圖 2-21天線陣列實體圖(a)俯視圖(b)側視圖

23

第三章 電磁帶隙結構與應用

(Electromagnetic Band-Gap Structure and Its Applications )

31 單位晶胞設計與截止帶比較

在天線中通常在較高之基板厚度及較大之介電常數時容易產生表面波

干擾天線輻射為了阻止表面波的傳遞論文中設計了高阻抗表面也就是所謂

的電磁帶隙(EBG)結構能有效抑制表面波提升天線效能

在近幾年許多微波領域的研究文獻利用光子能隙(Photonic Band-Gap

PBG)的概念也就是在介電係數成週期性排列的三維介電材料中電磁波經介

電函數散射後某些波段的電磁波強度會因破壞性干涉而呈現衰減無法在系統

內傳遞而在頻譜上形成截止帶[7][8]應用這個觀念在平面式傳輸線上設計具

有週期性幾何結構的電路造成電磁波在某些頻段無法傳遞而達到濾波的效果

由於使用於微波頻段所以稱此種結構為電磁帶隙或電磁能隙(Electromagnetic

Band-Gap EBG)結構

一個 EBG 結構電路時為一個電路之接地面在沿著某方向或平面做週期性

幾何結構變化所構成的電路如圖 3-1

圖 3-1一維 EBG 結構電路圖

利用 EBG 電路的週期性幾何結構形成一個電磁波的截止帶實線一個具

有寬頻與良好效能的帶止濾波器(Bandstop Filter)本論文使用共平面緊密電磁

帶隙結構(Uniplanar Compact EBG)如圖 3-2取代傳統的完整或切割連結通道

CellCell Cell Cell Cell d d d d TL TL TL TL

24

的平面結構每個單位細胞間以細線做連結細線提供了主要的電感效應每個

單位細胞間以狹縫做為區隔細狹縫間之互容效應與單位細胞之平面電容提供

了主要電容效應利用並接的電感電容效應來達到一寬頻的截止帶

圖 3-2EBG 結構集總電路圖

為了得到我們需要的截止帶首先模擬一個理想傳輸線當對照組(圖 3-3)

使用了介電常數值為 44 的 FR4 電路板厚度為 16mm觀察其反射損耗與插入

損耗從圖 3-4 了解到傳輸線從 1GHz 到 15GHz 反射損耗皆在-20dB 以下插入

損耗-3dB 以上

圖 3-3微帶傳輸線

(a) 俯視圖

(b) 側視圖

25

圖 3-4微帶傳輸線之反射損耗與插入損耗

利用電磁帶隙週期性二維的重複結構如圖 3-5可以找到我們所需要的截止

帶從微帶線的插入損耗可以明顯得到所設計的截止帶頻段跟單位晶胞的大小

成正相關整體電路的等效電感與等效電容越大相對的頻帶也會往低頻跑

(a)正面俯視圖 (b)背面俯視圖

圖 3-5微帶線加上 EBG 結構正面與背面

26

改變單位晶胞大小與截止帶之比較分別從(圖 3-6)4mm2(圖 3-7)6mm2(圖

3-8)8mm2(圖 3-9)10mm2的晶胞大小可以控制截止帶落在哪些區域

(b)反射損耗

a b

g

gs

h

(a)單位晶胞大小

a = 4 mmb = 37 mm s = g = 03 mm h = 18 mm

a

27

圖 3-6微帶線加上 4mm2EBG 結構之晶胞大小與 S 參數比較

從圖 3-6 可以得知從 10GHz 到 12GHz 有一較深之截止帶14GHz 之後也有

截止頻帶只是實驗目標以低頻為主故只模擬到 15GHz繼續改變晶胞大小

來設計低頻截止帶

a b

g

gs

h

(a)單位晶胞大小

a = 6 mm b = 57 mm s = g = 03 mm h = 28 mm

a

(c)插入損耗

28

圖 3-7微帶線加上 6mm2EBG 結構之晶胞大小與 S 參數比較

讓 EBG 晶胞變大(6mm2)跟預期結果相符可以得到更低頻的截止帶低頻帶

從 7GHz 到 9GHz高頻帶 10GHz 之後仍然存在極深之截止帶

(b)S參數比較圖

a bg

gs

h

(a)單位晶胞大小

a = 8 mm b = 76 mm s = g = 04 mm h = 37 mm

a

29

圖 3-8微帶線加上 8mm2EBG 結構之晶胞大小與 S 參數比較

從圖 3-8 的結果得到更低頻的截止帶座落於 43GHz~58GHz 及

61GHz~7GHz 由 於 論 文 中 所 設 計 的 WiMAX 天 線 陣 列 工 作 頻 率 在

34GHz~37GHz故需再將晶胞大小改變讓系統能夠共振在更低頻處

(b)S參數比較圖

a bg

gs

h

(a)單位晶胞大小

a = 10 mm b = 93 mm s = g = 07 mm h = 42 mm

a

30

圖 3-9微帶線加上 10mm2EBG 結構之晶胞大小與 S 參數比較

將週期性電磁帶隙結構結合微帶線可以設計出需要的截止帶圖 3-9 主要

的截止帶在 325GHz~4GHz 及 465GHz~58GHz已經達到需求的頻帶範圍下

個目標將結合微帶天線做改善與比較

(b)S參數比較圖

31

32 電磁帶隙結構包圍方式之探討

321 有限接地面的探討

由於設計的微帶天線主要是在邊射(Broad-side)方向輻射所以需要選擇一個

適當的接地面大小讓輻射場型得到一個最佳值理論上來說無限大的接地面

可以得到最平滑(Smooth)的輻射場型只在單邊輻射不會受到地面干擾實際

上在有限的空間必須選擇一個適當大小的接地面以符合成本與面積要求

而有限的接地面卻容易造成邊緣效應干擾[12]表面波在接地面邊緣產生繞射場

(Diffracted fields)形成新的波源以陣列因子的觀點來看多了新的波源會造

成輻射場型加乘上的消長如圖 3-10微帶貼片天線主要是以前後兩側差半波

長之邊輻射而有限接地面則會在邊緣產生感應磁流(Induced equivalent

magnetic current)如圖 3-11從電場的指向可以推得磁流的方向對照輻射

場型容易在邊射方向造成波紋(Ripple)

圖 3-10有限接地面產生之輻射場型比較圖

L

32

圖 3-11介質中電場指向之強弱分布與感應磁流方向

由於接地面的大小在 E-plane 會產生波紋來干擾輻射場型所以論文中以

EBG 週期性結構來做為一個完美磁導體(Perfect Magnetic ConductorPMC)也

就是人工 PMC(Artificial PMC)抑制邊緣電場的垂直入射減弱感應磁流的效

應以改善天線輻射場型

322 天線周圍包覆 PMC

傳統上 EBG 以圍滿的方式來改善微帶天線之增益與輻射[13]並透過晶胞

數的不斷增加來提高增益及改善輻射場型但晶胞數的增加將提高成本加大

EBG 面積及天線整體體積高達一定數量時反而會降低天線性能對於微帶貼

片天線而言EBG 在接地面太靠近天線輻射邊反而影響其輻射機制造成頻率

飄移因此論文中將探討 EBG 的包圍方式對天線性能之影響以有最佳效果

已知高阻抗表面可以阻擋介質中表面波的傳遞因此先透過理想 PMC 來代

替所設計之高阻抗表面 EBG 結構以分析其特性找出提升天性能的最佳包圍

33

方式

首先把天線周圍包覆 PMC 如圖 3-12以逼近的方式慢慢擴大 PMC 的面積

一圈 PMC 的寬度與設計的晶胞大小邊長一樣從輻射場型來看使用到第二圈

時可以得到最佳的輻射效能如圖 3-13PMC 包圍有其最佳範圍取得有效的包

圍方式可以讓天線輻射最佳化

圖 3-12天線周圍包覆 PMC

34

圖 3-13天線周圍包覆 PMC 之輻射場型比較

參考天線 一圈 PMC 二圈 PMC 三圈 PMC

0 度增益 357dBi 432dBi 545dBi 478dBi

增益改善 075dB 188dB 121dB

表 3-1天線周圍包覆 PMC 之增益改善比較

35

323 輻射邊兩側包覆 PMC

由於微帶天線之表面波傳遞方向以 xz 切面為主如圖 3-14因此在微帶天線

輻射邊的兩側擺放 EBG 結構以抑制其傳遞有效改善天線輻射場型首先使

用理想的 PMC 在天線輻射邊兩側包覆如圖 3-15對於 PMC 覆蓋面積的大小作一

探討變化 PMC 之覆蓋面積了解其對天線輻射場型的影響在邊射(broadside)

方向的輻射場型可以有效改善波紋讓旁波瓣(sidelobe)大幅度降低如圖 3-16

所示以兩列 PMC 可以達到較佳效果再增加一列 PMC 雖些許增加增益不

過 PMC 覆蓋的面積已達飽和因此從上述可知在結合 EBG 和微帶天線時

將有一最佳之覆蓋面積使用最適當之晶胞數來達到最佳的增益改善

圖 3-14表面波在介質空間中分布

36

圖 3-15輻射邊兩側包覆 PMC

圖 3-16輻射邊兩側包覆 PMC 之輻射場型比較

37

參考天線 一列 PMC 二列 PMC 三列 PMC

0 度增益 357dBi 528dBi 642dBi 644dBi

增益改善 171dB 285dB 287dB

表 3-2輻射邊兩側包覆 PMC 之增益改善比較

33 電磁帶隙結構結合單一微帶天線

以下將結合所設計之 EBG 結構和微帶天線以改善微帶天線之輻射場型干

擾從前述的探討先以圍繞式包圍天線做輻射場型比較如圖 3-17 所示

圖 3-17天線周圍包覆 EBG 之輻射場型比較

38

0 度增益

Ref patch antenna 357dBi

圍繞 EBG 572dBi

ΔGain 215dB

表 3-3天線周圍包覆 EBG 之增益改善比較

由於表面波之傳遞主要為 X 軸方向因此以 EBG 之較寬頻的維度來抑制 X

方向的表面波其結合方式如下以兩列 EBG 結構與天線結合比較如圖 3-18

圖 3-18輻射邊兩側包覆 EBG 之輻射場型比較

39

0 度增益

Ref patch antenna 357dBi

輻射邊包覆 EBG 577dBi

ΔGain 22dB

表 3-4輻射邊兩側包覆 EBG 之增益改善比較

兩種包覆 EBG 的情形做比較使用輻射邊兩側包覆 EBG 對表面波抑制可以

達到最直接的效果再對接地面做變化令輻射邊到接地面邊緣距離等於 15 倍

空氣中波長邊緣的等效感應磁流干擾最大在垂射(broadside)方向造成 30 度到

60 度的旁波瓣將晶胞數加到三列使得輻射場型能有最佳效果如圖 3-19 所示

圖 3-19較大接地面應用更多晶胞數改善輻射場型圖

40

34 電磁帶隙結構結合微帶天線陣列

第二章敘述之高增益天線陣列由於在 E-plane 產生較大之旁波瓣因此論

文將結合 EBG 結構與天線陣列改善輻射場型以符合 ETSI-TS2 規範要求

對原本的天線陣列與改善後的天線陣列作一比較如圖 3-20 為天線結構示意圖

俯視圖 yz 切面為表面波影響較大的面因此我們在 E-plane 兩側包覆 EBG使

用三列的 EBG 週期結構另外圖 3-21 為(a)34GHz(b)355GHz(c)37GHz

輻射場型在 E-plane 的改善比較可以發現在(a)跟(b)改善的效果特別明顯旁波

瓣減弱許多而(c)原本旁波瓣就不大所以改善較不明顯再跟 ETSI-mask 做

比較如圖 3-22改善後的天線陣列距離輻射場型標準線有較大之安全距離對實

作上的誤差影響會比較小以下針對輻射場型做一比較

圖 3-20原始天線陣列與應用 EBG 之天線陣列

41

(a)34GHz E-plane 輻射場型比較

(b)355GHz E-plane 輻射場型比較

(c)37GHz E-plane 輻射場型比較

圖 3-21原始天線陣列與應用 EBG 之天線陣列輻射場型比較

(a)34GHz (b)355GHz (c)37GHz

42

(a)34GHz E-plane

(b)355GHz E-plane

(a)37GHz E-plane

圖 3-22原始天線陣列與應用 EBG 之天線陣列與 ETSI-mask 比較

(a)34GHz (b)355GHz (c)37GHz

43

35 模擬與量測結果比較

由上述模擬的結果進行實作及量測的工作如圖 3-23 為微帶天線結合 EBG

結構的架構表 3-5 列出了板材的規格使用的基板是 FR4 玻璃纖維基板並架高

空氣高度為 5mm

Dielectric constant(topbottom) 44 44

Substrate thickness(topbottom) 08mm 16mm

Loss tangent 002

Air gap 5mm

Upper substrate size 250mm x 200mm

Ground size 300mm x 250mm

表 3-5天線陣列設計參數

圖 3-23應用 EBG 之天線陣列結構圖

44

圖 3-24 為天線陣列在 34GHz355GHz37GHz 的輻射場型從圖中可以

觀察模擬與量測場型蠻相近的

(a)34GHz

(b)355GHz

45

(c)37GHz

圖 3-24天線陣列輻射場型模擬與量測比較

對於其輻射場型的分布需求要符合 ETSI-TS2 的規範以下針對輻射場型與

ETSI-mask 做一比較如圖 3-25 所示從圖中發現實作及量測輻射場型全部

工作頻段都能滿足 mask 要求完成一組高增益天線陣列

(a)34GHz

46

(b)355GHz

(c)37GHz

圖 3-25天線陣列輻射場型與 ETSI-mask 比較

圖 3-26 為天線陣列模擬與量測的反射損耗其工作頻率與設計之天線相去

不遠均包含 34GHz~37GHz頻寬設計較大的原因在於避免外在因素造成的頻

飄量測出來可達 33GHz~39GHz略往高頻飄不過與設計的反射損耗相當接

近圖 3-27 為實際量測的增益對頻率的變化圖其增益的全頻段都能大於

14dBiE-plane 與 H-plane 也較為接近整理數據如表 3-6

47

圖 3-26天線陣列反射損耗模擬與量測比較

圖 3-27天線陣列增益對頻率圖

48

頻率(GHz) 33 34 35 36 37 38

E-plane 增益

(dBi) 1485 1591 1620 1687 1627 1507

H-plane 增益

(dBi) 1421 1565 1598 1629 1607 1518

表 3-6天線陣列增益對頻率表

49

圖 3-28 為實體圖俯視圖側視圖與 EBG 實際大小比較

(a) 俯視圖

(b) 側視圖(空氣高度=05mm)

(c)EBG 實體結構

圖 3-28天線陣列實體圖

50

第四章 結論

(Conclusion)

本論文主要是研究適用於基地台的 WiMAX 頻段高增益天線陣列並控制其

頻寬增益及輻射場型能夠符合 ETSI(European Telecommunication Standards

Institute)的規範在論文第二章中提出的高增益天線陣列是利用一個能量分歧

器把能量等效分成三份的饋入網路接上三組一樣的三元素陣列矩形微帶天線所

組成的天線陣列最高增益可達到 17dBi工作頻率的增益都能超過要求的

14dBi輻射場型符合 ETSI-TS2 規範另外本論文所提出的天線陣列為印刷式

天線不但具有輕量化的特性且大幅降低製作上的困難度也減輕了成本的負擔

透過本論文所設計之 EBG 可有效降低傳統 EBG 結構的製程僅以 FR4 板

材即可自行實作比較無須鉚釘並提出有效提升微帶天線增益的包圍方式在

有限的接地面下可選擇適當的晶胞數來改善天線陣列的輻射場型抑制表面波

對天線的干擾讓邊際效應產生的感應磁流干擾降到最低最後在實作及量測部

分驗證我們模擬的結果

51

參考文獻

[1] W L Stutzman and G A Thiele Antenna Theory and Design 2nd ed New York

Wiley 1998

[2] A Balanis Antenna Theory Analysis and Design New York Wiley 1997

[3] R Gardelli G La Cono and M Albani ldquoA low-cost suspended patch antenna for

WLAN access points and point-to-point linksrdquo IEEE Antennas and Propagat vol

3 no 1 pp 90-93 2004

[4] H F Pues and A R Van de capelle ldquoAn impedance-matching technique for

increasing the bandwidth of microstrip antennasrdquo IEEE Trans on Antennas and

Propagat vol 37 no 11 pp 1345-1354 Nov 1989

[5] Q Song and XndashX Zhang ldquoA study on wideband gap-coupled microstrip antenna

arraysrdquo IEEE Trans On Antennas and Propagat vol 43 no 3 pp 313-317 Mar

1995

[6] D Sievenpiper L Z Romulo F J Broas N G Alexopolous and E Yablonovitch

ldquoHigh-impedance electromagnetic surfaces with a forbidden frequency bandrdquo

IEEE Trans Microwave Theory Tech vol 47 no 11 pp 311-335 Nov 1999

[7] F-R Yang K-P Ma Y Qian and T Itoh ldquo A Uniplanar Compact

Photonic-Bandgap (UC-PBG) Structure and Its Applications for Microwave

Circuitsrdquo IEEE Trans MTT vol 47 Aug 1999

[8] M F Abedin M Z Azad and M Ali ldquo wideband smaller unit-cell planar EBG

structures and their applicationrdquo IEEE Trans On Antenna and Propagat vol 56

no 3 pp 903-908 Mar 2008

[9] I J Bahl and P Bhartia Microstrip Antennas Artech House 1980

[10] JR James and P S Hall Handbook of Microstrip Antennas LondonPeter

Peregrinus Ltd 1989

52

[11] K C Gupta R Garg I J Bahl P Bhartia Microstrip Lines and Slotlines 2nd ed

Norwood MAArtech House 1996

[12] T Namiki Y Murayama and K Ito ldquo Improving radiation-pattern distortion of a

patch antenna having a finite ground planerdquo IEEE Trans On Antenna and

Propagat vol 51 no 3 pp 478-482 Mar 2003

[13] R Coccioli F-R Yang K-P Ma and T Itoh ldquo Aperture-coupled patch antenna

on UC-PBG substraterdquo IEEE Trans Microwave Theory Tech vol 47 no 11 pp

2123-2130 Nov 1999

[14] F Yang and Y Rahmat-samii ldquo Microstrip antenna integrated with

electromagnetic band-gap (EBG) structure a low mutual coupling design for array

applicationrdquo IEEE Trans On Antenna and Propagat vol 51 no 10 pp

2936-2946 Oct2003

[15] Z Iluz R Shavit and R Bauer ldquo Microstrip antenna phased array with

electromagnetic bandgap substraterdquo IEEE Trans On Antenna and Propagat vol

52 no 6 pp 1446-1453 June 2004

  • 封面pdf
  • 摘要與目錄pdf
  • 論文_終稿_pdf
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false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP 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 FRA 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 ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP 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 FRA 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22

(a)俯視圖

(b)側視圖

圖 2-21天線陣列實體圖(a)俯視圖(b)側視圖

23

第三章 電磁帶隙結構與應用

(Electromagnetic Band-Gap Structure and Its Applications )

31 單位晶胞設計與截止帶比較

在天線中通常在較高之基板厚度及較大之介電常數時容易產生表面波

干擾天線輻射為了阻止表面波的傳遞論文中設計了高阻抗表面也就是所謂

的電磁帶隙(EBG)結構能有效抑制表面波提升天線效能

在近幾年許多微波領域的研究文獻利用光子能隙(Photonic Band-Gap

PBG)的概念也就是在介電係數成週期性排列的三維介電材料中電磁波經介

電函數散射後某些波段的電磁波強度會因破壞性干涉而呈現衰減無法在系統

內傳遞而在頻譜上形成截止帶[7][8]應用這個觀念在平面式傳輸線上設計具

有週期性幾何結構的電路造成電磁波在某些頻段無法傳遞而達到濾波的效果

由於使用於微波頻段所以稱此種結構為電磁帶隙或電磁能隙(Electromagnetic

Band-Gap EBG)結構

一個 EBG 結構電路時為一個電路之接地面在沿著某方向或平面做週期性

幾何結構變化所構成的電路如圖 3-1

圖 3-1一維 EBG 結構電路圖

利用 EBG 電路的週期性幾何結構形成一個電磁波的截止帶實線一個具

有寬頻與良好效能的帶止濾波器(Bandstop Filter)本論文使用共平面緊密電磁

帶隙結構(Uniplanar Compact EBG)如圖 3-2取代傳統的完整或切割連結通道

CellCell Cell Cell Cell d d d d TL TL TL TL

24

的平面結構每個單位細胞間以細線做連結細線提供了主要的電感效應每個

單位細胞間以狹縫做為區隔細狹縫間之互容效應與單位細胞之平面電容提供

了主要電容效應利用並接的電感電容效應來達到一寬頻的截止帶

圖 3-2EBG 結構集總電路圖

為了得到我們需要的截止帶首先模擬一個理想傳輸線當對照組(圖 3-3)

使用了介電常數值為 44 的 FR4 電路板厚度為 16mm觀察其反射損耗與插入

損耗從圖 3-4 了解到傳輸線從 1GHz 到 15GHz 反射損耗皆在-20dB 以下插入

損耗-3dB 以上

圖 3-3微帶傳輸線

(a) 俯視圖

(b) 側視圖

25

圖 3-4微帶傳輸線之反射損耗與插入損耗

利用電磁帶隙週期性二維的重複結構如圖 3-5可以找到我們所需要的截止

帶從微帶線的插入損耗可以明顯得到所設計的截止帶頻段跟單位晶胞的大小

成正相關整體電路的等效電感與等效電容越大相對的頻帶也會往低頻跑

(a)正面俯視圖 (b)背面俯視圖

圖 3-5微帶線加上 EBG 結構正面與背面

26

改變單位晶胞大小與截止帶之比較分別從(圖 3-6)4mm2(圖 3-7)6mm2(圖

3-8)8mm2(圖 3-9)10mm2的晶胞大小可以控制截止帶落在哪些區域

(b)反射損耗

a b

g

gs

h

(a)單位晶胞大小

a = 4 mmb = 37 mm s = g = 03 mm h = 18 mm

a

27

圖 3-6微帶線加上 4mm2EBG 結構之晶胞大小與 S 參數比較

從圖 3-6 可以得知從 10GHz 到 12GHz 有一較深之截止帶14GHz 之後也有

截止頻帶只是實驗目標以低頻為主故只模擬到 15GHz繼續改變晶胞大小

來設計低頻截止帶

a b

g

gs

h

(a)單位晶胞大小

a = 6 mm b = 57 mm s = g = 03 mm h = 28 mm

a

(c)插入損耗

28

圖 3-7微帶線加上 6mm2EBG 結構之晶胞大小與 S 參數比較

讓 EBG 晶胞變大(6mm2)跟預期結果相符可以得到更低頻的截止帶低頻帶

從 7GHz 到 9GHz高頻帶 10GHz 之後仍然存在極深之截止帶

(b)S參數比較圖

a bg

gs

h

(a)單位晶胞大小

a = 8 mm b = 76 mm s = g = 04 mm h = 37 mm

a

29

圖 3-8微帶線加上 8mm2EBG 結構之晶胞大小與 S 參數比較

從圖 3-8 的結果得到更低頻的截止帶座落於 43GHz~58GHz 及

61GHz~7GHz 由 於 論 文 中 所 設 計 的 WiMAX 天 線 陣 列 工 作 頻 率 在

34GHz~37GHz故需再將晶胞大小改變讓系統能夠共振在更低頻處

(b)S參數比較圖

a bg

gs

h

(a)單位晶胞大小

a = 10 mm b = 93 mm s = g = 07 mm h = 42 mm

a

30

圖 3-9微帶線加上 10mm2EBG 結構之晶胞大小與 S 參數比較

將週期性電磁帶隙結構結合微帶線可以設計出需要的截止帶圖 3-9 主要

的截止帶在 325GHz~4GHz 及 465GHz~58GHz已經達到需求的頻帶範圍下

個目標將結合微帶天線做改善與比較

(b)S參數比較圖

31

32 電磁帶隙結構包圍方式之探討

321 有限接地面的探討

由於設計的微帶天線主要是在邊射(Broad-side)方向輻射所以需要選擇一個

適當的接地面大小讓輻射場型得到一個最佳值理論上來說無限大的接地面

可以得到最平滑(Smooth)的輻射場型只在單邊輻射不會受到地面干擾實際

上在有限的空間必須選擇一個適當大小的接地面以符合成本與面積要求

而有限的接地面卻容易造成邊緣效應干擾[12]表面波在接地面邊緣產生繞射場

(Diffracted fields)形成新的波源以陣列因子的觀點來看多了新的波源會造

成輻射場型加乘上的消長如圖 3-10微帶貼片天線主要是以前後兩側差半波

長之邊輻射而有限接地面則會在邊緣產生感應磁流(Induced equivalent

magnetic current)如圖 3-11從電場的指向可以推得磁流的方向對照輻射

場型容易在邊射方向造成波紋(Ripple)

圖 3-10有限接地面產生之輻射場型比較圖

L

32

圖 3-11介質中電場指向之強弱分布與感應磁流方向

由於接地面的大小在 E-plane 會產生波紋來干擾輻射場型所以論文中以

EBG 週期性結構來做為一個完美磁導體(Perfect Magnetic ConductorPMC)也

就是人工 PMC(Artificial PMC)抑制邊緣電場的垂直入射減弱感應磁流的效

應以改善天線輻射場型

322 天線周圍包覆 PMC

傳統上 EBG 以圍滿的方式來改善微帶天線之增益與輻射[13]並透過晶胞

數的不斷增加來提高增益及改善輻射場型但晶胞數的增加將提高成本加大

EBG 面積及天線整體體積高達一定數量時反而會降低天線性能對於微帶貼

片天線而言EBG 在接地面太靠近天線輻射邊反而影響其輻射機制造成頻率

飄移因此論文中將探討 EBG 的包圍方式對天線性能之影響以有最佳效果

已知高阻抗表面可以阻擋介質中表面波的傳遞因此先透過理想 PMC 來代

替所設計之高阻抗表面 EBG 結構以分析其特性找出提升天性能的最佳包圍

33

方式

首先把天線周圍包覆 PMC 如圖 3-12以逼近的方式慢慢擴大 PMC 的面積

一圈 PMC 的寬度與設計的晶胞大小邊長一樣從輻射場型來看使用到第二圈

時可以得到最佳的輻射效能如圖 3-13PMC 包圍有其最佳範圍取得有效的包

圍方式可以讓天線輻射最佳化

圖 3-12天線周圍包覆 PMC

34

圖 3-13天線周圍包覆 PMC 之輻射場型比較

參考天線 一圈 PMC 二圈 PMC 三圈 PMC

0 度增益 357dBi 432dBi 545dBi 478dBi

增益改善 075dB 188dB 121dB

表 3-1天線周圍包覆 PMC 之增益改善比較

35

323 輻射邊兩側包覆 PMC

由於微帶天線之表面波傳遞方向以 xz 切面為主如圖 3-14因此在微帶天線

輻射邊的兩側擺放 EBG 結構以抑制其傳遞有效改善天線輻射場型首先使

用理想的 PMC 在天線輻射邊兩側包覆如圖 3-15對於 PMC 覆蓋面積的大小作一

探討變化 PMC 之覆蓋面積了解其對天線輻射場型的影響在邊射(broadside)

方向的輻射場型可以有效改善波紋讓旁波瓣(sidelobe)大幅度降低如圖 3-16

所示以兩列 PMC 可以達到較佳效果再增加一列 PMC 雖些許增加增益不

過 PMC 覆蓋的面積已達飽和因此從上述可知在結合 EBG 和微帶天線時

將有一最佳之覆蓋面積使用最適當之晶胞數來達到最佳的增益改善

圖 3-14表面波在介質空間中分布

36

圖 3-15輻射邊兩側包覆 PMC

圖 3-16輻射邊兩側包覆 PMC 之輻射場型比較

37

參考天線 一列 PMC 二列 PMC 三列 PMC

0 度增益 357dBi 528dBi 642dBi 644dBi

增益改善 171dB 285dB 287dB

表 3-2輻射邊兩側包覆 PMC 之增益改善比較

33 電磁帶隙結構結合單一微帶天線

以下將結合所設計之 EBG 結構和微帶天線以改善微帶天線之輻射場型干

擾從前述的探討先以圍繞式包圍天線做輻射場型比較如圖 3-17 所示

圖 3-17天線周圍包覆 EBG 之輻射場型比較

38

0 度增益

Ref patch antenna 357dBi

圍繞 EBG 572dBi

ΔGain 215dB

表 3-3天線周圍包覆 EBG 之增益改善比較

由於表面波之傳遞主要為 X 軸方向因此以 EBG 之較寬頻的維度來抑制 X

方向的表面波其結合方式如下以兩列 EBG 結構與天線結合比較如圖 3-18

圖 3-18輻射邊兩側包覆 EBG 之輻射場型比較

39

0 度增益

Ref patch antenna 357dBi

輻射邊包覆 EBG 577dBi

ΔGain 22dB

表 3-4輻射邊兩側包覆 EBG 之增益改善比較

兩種包覆 EBG 的情形做比較使用輻射邊兩側包覆 EBG 對表面波抑制可以

達到最直接的效果再對接地面做變化令輻射邊到接地面邊緣距離等於 15 倍

空氣中波長邊緣的等效感應磁流干擾最大在垂射(broadside)方向造成 30 度到

60 度的旁波瓣將晶胞數加到三列使得輻射場型能有最佳效果如圖 3-19 所示

圖 3-19較大接地面應用更多晶胞數改善輻射場型圖

40

34 電磁帶隙結構結合微帶天線陣列

第二章敘述之高增益天線陣列由於在 E-plane 產生較大之旁波瓣因此論

文將結合 EBG 結構與天線陣列改善輻射場型以符合 ETSI-TS2 規範要求

對原本的天線陣列與改善後的天線陣列作一比較如圖 3-20 為天線結構示意圖

俯視圖 yz 切面為表面波影響較大的面因此我們在 E-plane 兩側包覆 EBG使

用三列的 EBG 週期結構另外圖 3-21 為(a)34GHz(b)355GHz(c)37GHz

輻射場型在 E-plane 的改善比較可以發現在(a)跟(b)改善的效果特別明顯旁波

瓣減弱許多而(c)原本旁波瓣就不大所以改善較不明顯再跟 ETSI-mask 做

比較如圖 3-22改善後的天線陣列距離輻射場型標準線有較大之安全距離對實

作上的誤差影響會比較小以下針對輻射場型做一比較

圖 3-20原始天線陣列與應用 EBG 之天線陣列

41

(a)34GHz E-plane 輻射場型比較

(b)355GHz E-plane 輻射場型比較

(c)37GHz E-plane 輻射場型比較

圖 3-21原始天線陣列與應用 EBG 之天線陣列輻射場型比較

(a)34GHz (b)355GHz (c)37GHz

42

(a)34GHz E-plane

(b)355GHz E-plane

(a)37GHz E-plane

圖 3-22原始天線陣列與應用 EBG 之天線陣列與 ETSI-mask 比較

(a)34GHz (b)355GHz (c)37GHz

43

35 模擬與量測結果比較

由上述模擬的結果進行實作及量測的工作如圖 3-23 為微帶天線結合 EBG

結構的架構表 3-5 列出了板材的規格使用的基板是 FR4 玻璃纖維基板並架高

空氣高度為 5mm

Dielectric constant(topbottom) 44 44

Substrate thickness(topbottom) 08mm 16mm

Loss tangent 002

Air gap 5mm

Upper substrate size 250mm x 200mm

Ground size 300mm x 250mm

表 3-5天線陣列設計參數

圖 3-23應用 EBG 之天線陣列結構圖

44

圖 3-24 為天線陣列在 34GHz355GHz37GHz 的輻射場型從圖中可以

觀察模擬與量測場型蠻相近的

(a)34GHz

(b)355GHz

45

(c)37GHz

圖 3-24天線陣列輻射場型模擬與量測比較

對於其輻射場型的分布需求要符合 ETSI-TS2 的規範以下針對輻射場型與

ETSI-mask 做一比較如圖 3-25 所示從圖中發現實作及量測輻射場型全部

工作頻段都能滿足 mask 要求完成一組高增益天線陣列

(a)34GHz

46

(b)355GHz

(c)37GHz

圖 3-25天線陣列輻射場型與 ETSI-mask 比較

圖 3-26 為天線陣列模擬與量測的反射損耗其工作頻率與設計之天線相去

不遠均包含 34GHz~37GHz頻寬設計較大的原因在於避免外在因素造成的頻

飄量測出來可達 33GHz~39GHz略往高頻飄不過與設計的反射損耗相當接

近圖 3-27 為實際量測的增益對頻率的變化圖其增益的全頻段都能大於

14dBiE-plane 與 H-plane 也較為接近整理數據如表 3-6

47

圖 3-26天線陣列反射損耗模擬與量測比較

圖 3-27天線陣列增益對頻率圖

48

頻率(GHz) 33 34 35 36 37 38

E-plane 增益

(dBi) 1485 1591 1620 1687 1627 1507

H-plane 增益

(dBi) 1421 1565 1598 1629 1607 1518

表 3-6天線陣列增益對頻率表

49

圖 3-28 為實體圖俯視圖側視圖與 EBG 實際大小比較

(a) 俯視圖

(b) 側視圖(空氣高度=05mm)

(c)EBG 實體結構

圖 3-28天線陣列實體圖

50

第四章 結論

(Conclusion)

本論文主要是研究適用於基地台的 WiMAX 頻段高增益天線陣列並控制其

頻寬增益及輻射場型能夠符合 ETSI(European Telecommunication Standards

Institute)的規範在論文第二章中提出的高增益天線陣列是利用一個能量分歧

器把能量等效分成三份的饋入網路接上三組一樣的三元素陣列矩形微帶天線所

組成的天線陣列最高增益可達到 17dBi工作頻率的增益都能超過要求的

14dBi輻射場型符合 ETSI-TS2 規範另外本論文所提出的天線陣列為印刷式

天線不但具有輕量化的特性且大幅降低製作上的困難度也減輕了成本的負擔

透過本論文所設計之 EBG 可有效降低傳統 EBG 結構的製程僅以 FR4 板

材即可自行實作比較無須鉚釘並提出有效提升微帶天線增益的包圍方式在

有限的接地面下可選擇適當的晶胞數來改善天線陣列的輻射場型抑制表面波

對天線的干擾讓邊際效應產生的感應磁流干擾降到最低最後在實作及量測部

分驗證我們模擬的結果

51

參考文獻

[1] W L Stutzman and G A Thiele Antenna Theory and Design 2nd ed New York

Wiley 1998

[2] A Balanis Antenna Theory Analysis and Design New York Wiley 1997

[3] R Gardelli G La Cono and M Albani ldquoA low-cost suspended patch antenna for

WLAN access points and point-to-point linksrdquo IEEE Antennas and Propagat vol

3 no 1 pp 90-93 2004

[4] H F Pues and A R Van de capelle ldquoAn impedance-matching technique for

increasing the bandwidth of microstrip antennasrdquo IEEE Trans on Antennas and

Propagat vol 37 no 11 pp 1345-1354 Nov 1989

[5] Q Song and XndashX Zhang ldquoA study on wideband gap-coupled microstrip antenna

arraysrdquo IEEE Trans On Antennas and Propagat vol 43 no 3 pp 313-317 Mar

1995

[6] D Sievenpiper L Z Romulo F J Broas N G Alexopolous and E Yablonovitch

ldquoHigh-impedance electromagnetic surfaces with a forbidden frequency bandrdquo

IEEE Trans Microwave Theory Tech vol 47 no 11 pp 311-335 Nov 1999

[7] F-R Yang K-P Ma Y Qian and T Itoh ldquo A Uniplanar Compact

Photonic-Bandgap (UC-PBG) Structure and Its Applications for Microwave

Circuitsrdquo IEEE Trans MTT vol 47 Aug 1999

[8] M F Abedin M Z Azad and M Ali ldquo wideband smaller unit-cell planar EBG

structures and their applicationrdquo IEEE Trans On Antenna and Propagat vol 56

no 3 pp 903-908 Mar 2008

[9] I J Bahl and P Bhartia Microstrip Antennas Artech House 1980

[10] JR James and P S Hall Handbook of Microstrip Antennas LondonPeter

Peregrinus Ltd 1989

52

[11] K C Gupta R Garg I J Bahl P Bhartia Microstrip Lines and Slotlines 2nd ed

Norwood MAArtech House 1996

[12] T Namiki Y Murayama and K Ito ldquo Improving radiation-pattern distortion of a

patch antenna having a finite ground planerdquo IEEE Trans On Antenna and

Propagat vol 51 no 3 pp 478-482 Mar 2003

[13] R Coccioli F-R Yang K-P Ma and T Itoh ldquo Aperture-coupled patch antenna

on UC-PBG substraterdquo IEEE Trans Microwave Theory Tech vol 47 no 11 pp

2123-2130 Nov 1999

[14] F Yang and Y Rahmat-samii ldquo Microstrip antenna integrated with

electromagnetic band-gap (EBG) structure a low mutual coupling design for array

applicationrdquo IEEE Trans On Antenna and Propagat vol 51 no 10 pp

2936-2946 Oct2003

[15] Z Iluz R Shavit and R Bauer ldquo Microstrip antenna phased array with

electromagnetic bandgap substraterdquo IEEE Trans On Antenna and Propagat vol

52 no 6 pp 1446-1453 June 2004

  • 封面pdf
  • 摘要與目錄pdf
  • 論文_終稿_pdf
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ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP 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FRA 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 PTB 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 SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP ltFEFF005500740069006c0069006300650020006500730074006100200063006f006e0066006900670075007200610063006900f3006e0020007000610072006100200063007200650061007200200064006f00630075006d0065006e0074006f0073002000640065002000410064006f0062006500200050004400460020007000610072006100200063006f006e00730065006700750069007200200069006d0070007200650073006900f3006e002000640065002000630061006c006900640061006400200065006e00200069006d0070007200650073006f0072006100730020006400650020006500730063007200690074006f00720069006f00200079002000680065007200720061006d00690065006e00740061007300200064006500200063006f00720072006500630063006900f3006e002e002000530065002000700075006500640065006e00200061006200720069007200200064006f00630075006d0065006e0074006f00730020005000440046002000630072006500610064006f007300200063006f006e0020004100630072006f006200610074002c002000410064006f00620065002000520065006100640065007200200035002e003000200079002000760065007200730069006f006e0065007300200070006f00730074006500720069006f007200650073002egt FRA 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 ITA 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 JPN ltFEFF9ad854c18cea51fa529b7528002000410064006f0062006500200050004400460020658766f8306e4f5c6210306b4f7f75283057307e30593002537052376642306e753b8cea3092670059279650306b4fdd306430533068304c3067304d307e3059300230c730b930af30c830c330d730d730ea30f330bf3067306e53705237307e305f306f30d730eb30fc30d57528306b9069305730663044307e305930023053306e8a2d5b9a30674f5c62103055308c305f0020005000440046002030d530a130a430eb306f3001004100630072006f0062006100740020304a30883073002000410064006f00620065002000520065006100640065007200200035002e003000204ee5964d3067958b304f30533068304c3067304d307e30593002gt KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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23

第三章 電磁帶隙結構與應用

(Electromagnetic Band-Gap Structure and Its Applications )

31 單位晶胞設計與截止帶比較

在天線中通常在較高之基板厚度及較大之介電常數時容易產生表面波

干擾天線輻射為了阻止表面波的傳遞論文中設計了高阻抗表面也就是所謂

的電磁帶隙(EBG)結構能有效抑制表面波提升天線效能

在近幾年許多微波領域的研究文獻利用光子能隙(Photonic Band-Gap

PBG)的概念也就是在介電係數成週期性排列的三維介電材料中電磁波經介

電函數散射後某些波段的電磁波強度會因破壞性干涉而呈現衰減無法在系統

內傳遞而在頻譜上形成截止帶[7][8]應用這個觀念在平面式傳輸線上設計具

有週期性幾何結構的電路造成電磁波在某些頻段無法傳遞而達到濾波的效果

由於使用於微波頻段所以稱此種結構為電磁帶隙或電磁能隙(Electromagnetic

Band-Gap EBG)結構

一個 EBG 結構電路時為一個電路之接地面在沿著某方向或平面做週期性

幾何結構變化所構成的電路如圖 3-1

圖 3-1一維 EBG 結構電路圖

利用 EBG 電路的週期性幾何結構形成一個電磁波的截止帶實線一個具

有寬頻與良好效能的帶止濾波器(Bandstop Filter)本論文使用共平面緊密電磁

帶隙結構(Uniplanar Compact EBG)如圖 3-2取代傳統的完整或切割連結通道

CellCell Cell Cell Cell d d d d TL TL TL TL

24

的平面結構每個單位細胞間以細線做連結細線提供了主要的電感效應每個

單位細胞間以狹縫做為區隔細狹縫間之互容效應與單位細胞之平面電容提供

了主要電容效應利用並接的電感電容效應來達到一寬頻的截止帶

圖 3-2EBG 結構集總電路圖

為了得到我們需要的截止帶首先模擬一個理想傳輸線當對照組(圖 3-3)

使用了介電常數值為 44 的 FR4 電路板厚度為 16mm觀察其反射損耗與插入

損耗從圖 3-4 了解到傳輸線從 1GHz 到 15GHz 反射損耗皆在-20dB 以下插入

損耗-3dB 以上

圖 3-3微帶傳輸線

(a) 俯視圖

(b) 側視圖

25

圖 3-4微帶傳輸線之反射損耗與插入損耗

利用電磁帶隙週期性二維的重複結構如圖 3-5可以找到我們所需要的截止

帶從微帶線的插入損耗可以明顯得到所設計的截止帶頻段跟單位晶胞的大小

成正相關整體電路的等效電感與等效電容越大相對的頻帶也會往低頻跑

(a)正面俯視圖 (b)背面俯視圖

圖 3-5微帶線加上 EBG 結構正面與背面

26

改變單位晶胞大小與截止帶之比較分別從(圖 3-6)4mm2(圖 3-7)6mm2(圖

3-8)8mm2(圖 3-9)10mm2的晶胞大小可以控制截止帶落在哪些區域

(b)反射損耗

a b

g

gs

h

(a)單位晶胞大小

a = 4 mmb = 37 mm s = g = 03 mm h = 18 mm

a

27

圖 3-6微帶線加上 4mm2EBG 結構之晶胞大小與 S 參數比較

從圖 3-6 可以得知從 10GHz 到 12GHz 有一較深之截止帶14GHz 之後也有

截止頻帶只是實驗目標以低頻為主故只模擬到 15GHz繼續改變晶胞大小

來設計低頻截止帶

a b

g

gs

h

(a)單位晶胞大小

a = 6 mm b = 57 mm s = g = 03 mm h = 28 mm

a

(c)插入損耗

28

圖 3-7微帶線加上 6mm2EBG 結構之晶胞大小與 S 參數比較

讓 EBG 晶胞變大(6mm2)跟預期結果相符可以得到更低頻的截止帶低頻帶

從 7GHz 到 9GHz高頻帶 10GHz 之後仍然存在極深之截止帶

(b)S參數比較圖

a bg

gs

h

(a)單位晶胞大小

a = 8 mm b = 76 mm s = g = 04 mm h = 37 mm

a

29

圖 3-8微帶線加上 8mm2EBG 結構之晶胞大小與 S 參數比較

從圖 3-8 的結果得到更低頻的截止帶座落於 43GHz~58GHz 及

61GHz~7GHz 由 於 論 文 中 所 設 計 的 WiMAX 天 線 陣 列 工 作 頻 率 在

34GHz~37GHz故需再將晶胞大小改變讓系統能夠共振在更低頻處

(b)S參數比較圖

a bg

gs

h

(a)單位晶胞大小

a = 10 mm b = 93 mm s = g = 07 mm h = 42 mm

a

30

圖 3-9微帶線加上 10mm2EBG 結構之晶胞大小與 S 參數比較

將週期性電磁帶隙結構結合微帶線可以設計出需要的截止帶圖 3-9 主要

的截止帶在 325GHz~4GHz 及 465GHz~58GHz已經達到需求的頻帶範圍下

個目標將結合微帶天線做改善與比較

(b)S參數比較圖

31

32 電磁帶隙結構包圍方式之探討

321 有限接地面的探討

由於設計的微帶天線主要是在邊射(Broad-side)方向輻射所以需要選擇一個

適當的接地面大小讓輻射場型得到一個最佳值理論上來說無限大的接地面

可以得到最平滑(Smooth)的輻射場型只在單邊輻射不會受到地面干擾實際

上在有限的空間必須選擇一個適當大小的接地面以符合成本與面積要求

而有限的接地面卻容易造成邊緣效應干擾[12]表面波在接地面邊緣產生繞射場

(Diffracted fields)形成新的波源以陣列因子的觀點來看多了新的波源會造

成輻射場型加乘上的消長如圖 3-10微帶貼片天線主要是以前後兩側差半波

長之邊輻射而有限接地面則會在邊緣產生感應磁流(Induced equivalent

magnetic current)如圖 3-11從電場的指向可以推得磁流的方向對照輻射

場型容易在邊射方向造成波紋(Ripple)

圖 3-10有限接地面產生之輻射場型比較圖

L

32

圖 3-11介質中電場指向之強弱分布與感應磁流方向

由於接地面的大小在 E-plane 會產生波紋來干擾輻射場型所以論文中以

EBG 週期性結構來做為一個完美磁導體(Perfect Magnetic ConductorPMC)也

就是人工 PMC(Artificial PMC)抑制邊緣電場的垂直入射減弱感應磁流的效

應以改善天線輻射場型

322 天線周圍包覆 PMC

傳統上 EBG 以圍滿的方式來改善微帶天線之增益與輻射[13]並透過晶胞

數的不斷增加來提高增益及改善輻射場型但晶胞數的增加將提高成本加大

EBG 面積及天線整體體積高達一定數量時反而會降低天線性能對於微帶貼

片天線而言EBG 在接地面太靠近天線輻射邊反而影響其輻射機制造成頻率

飄移因此論文中將探討 EBG 的包圍方式對天線性能之影響以有最佳效果

已知高阻抗表面可以阻擋介質中表面波的傳遞因此先透過理想 PMC 來代

替所設計之高阻抗表面 EBG 結構以分析其特性找出提升天性能的最佳包圍

33

方式

首先把天線周圍包覆 PMC 如圖 3-12以逼近的方式慢慢擴大 PMC 的面積

一圈 PMC 的寬度與設計的晶胞大小邊長一樣從輻射場型來看使用到第二圈

時可以得到最佳的輻射效能如圖 3-13PMC 包圍有其最佳範圍取得有效的包

圍方式可以讓天線輻射最佳化

圖 3-12天線周圍包覆 PMC

34

圖 3-13天線周圍包覆 PMC 之輻射場型比較

參考天線 一圈 PMC 二圈 PMC 三圈 PMC

0 度增益 357dBi 432dBi 545dBi 478dBi

增益改善 075dB 188dB 121dB

表 3-1天線周圍包覆 PMC 之增益改善比較

35

323 輻射邊兩側包覆 PMC

由於微帶天線之表面波傳遞方向以 xz 切面為主如圖 3-14因此在微帶天線

輻射邊的兩側擺放 EBG 結構以抑制其傳遞有效改善天線輻射場型首先使

用理想的 PMC 在天線輻射邊兩側包覆如圖 3-15對於 PMC 覆蓋面積的大小作一

探討變化 PMC 之覆蓋面積了解其對天線輻射場型的影響在邊射(broadside)

方向的輻射場型可以有效改善波紋讓旁波瓣(sidelobe)大幅度降低如圖 3-16

所示以兩列 PMC 可以達到較佳效果再增加一列 PMC 雖些許增加增益不

過 PMC 覆蓋的面積已達飽和因此從上述可知在結合 EBG 和微帶天線時

將有一最佳之覆蓋面積使用最適當之晶胞數來達到最佳的增益改善

圖 3-14表面波在介質空間中分布

36

圖 3-15輻射邊兩側包覆 PMC

圖 3-16輻射邊兩側包覆 PMC 之輻射場型比較

37

參考天線 一列 PMC 二列 PMC 三列 PMC

0 度增益 357dBi 528dBi 642dBi 644dBi

增益改善 171dB 285dB 287dB

表 3-2輻射邊兩側包覆 PMC 之增益改善比較

33 電磁帶隙結構結合單一微帶天線

以下將結合所設計之 EBG 結構和微帶天線以改善微帶天線之輻射場型干

擾從前述的探討先以圍繞式包圍天線做輻射場型比較如圖 3-17 所示

圖 3-17天線周圍包覆 EBG 之輻射場型比較

38

0 度增益

Ref patch antenna 357dBi

圍繞 EBG 572dBi

ΔGain 215dB

表 3-3天線周圍包覆 EBG 之增益改善比較

由於表面波之傳遞主要為 X 軸方向因此以 EBG 之較寬頻的維度來抑制 X

方向的表面波其結合方式如下以兩列 EBG 結構與天線結合比較如圖 3-18

圖 3-18輻射邊兩側包覆 EBG 之輻射場型比較

39

0 度增益

Ref patch antenna 357dBi

輻射邊包覆 EBG 577dBi

ΔGain 22dB

表 3-4輻射邊兩側包覆 EBG 之增益改善比較

兩種包覆 EBG 的情形做比較使用輻射邊兩側包覆 EBG 對表面波抑制可以

達到最直接的效果再對接地面做變化令輻射邊到接地面邊緣距離等於 15 倍

空氣中波長邊緣的等效感應磁流干擾最大在垂射(broadside)方向造成 30 度到

60 度的旁波瓣將晶胞數加到三列使得輻射場型能有最佳效果如圖 3-19 所示

圖 3-19較大接地面應用更多晶胞數改善輻射場型圖

40

34 電磁帶隙結構結合微帶天線陣列

第二章敘述之高增益天線陣列由於在 E-plane 產生較大之旁波瓣因此論

文將結合 EBG 結構與天線陣列改善輻射場型以符合 ETSI-TS2 規範要求

對原本的天線陣列與改善後的天線陣列作一比較如圖 3-20 為天線結構示意圖

俯視圖 yz 切面為表面波影響較大的面因此我們在 E-plane 兩側包覆 EBG使

用三列的 EBG 週期結構另外圖 3-21 為(a)34GHz(b)355GHz(c)37GHz

輻射場型在 E-plane 的改善比較可以發現在(a)跟(b)改善的效果特別明顯旁波

瓣減弱許多而(c)原本旁波瓣就不大所以改善較不明顯再跟 ETSI-mask 做

比較如圖 3-22改善後的天線陣列距離輻射場型標準線有較大之安全距離對實

作上的誤差影響會比較小以下針對輻射場型做一比較

圖 3-20原始天線陣列與應用 EBG 之天線陣列

41

(a)34GHz E-plane 輻射場型比較

(b)355GHz E-plane 輻射場型比較

(c)37GHz E-plane 輻射場型比較

圖 3-21原始天線陣列與應用 EBG 之天線陣列輻射場型比較

(a)34GHz (b)355GHz (c)37GHz

42

(a)34GHz E-plane

(b)355GHz E-plane

(a)37GHz E-plane

圖 3-22原始天線陣列與應用 EBG 之天線陣列與 ETSI-mask 比較

(a)34GHz (b)355GHz (c)37GHz

43

35 模擬與量測結果比較

由上述模擬的結果進行實作及量測的工作如圖 3-23 為微帶天線結合 EBG

結構的架構表 3-5 列出了板材的規格使用的基板是 FR4 玻璃纖維基板並架高

空氣高度為 5mm

Dielectric constant(topbottom) 44 44

Substrate thickness(topbottom) 08mm 16mm

Loss tangent 002

Air gap 5mm

Upper substrate size 250mm x 200mm

Ground size 300mm x 250mm

表 3-5天線陣列設計參數

圖 3-23應用 EBG 之天線陣列結構圖

44

圖 3-24 為天線陣列在 34GHz355GHz37GHz 的輻射場型從圖中可以

觀察模擬與量測場型蠻相近的

(a)34GHz

(b)355GHz

45

(c)37GHz

圖 3-24天線陣列輻射場型模擬與量測比較

對於其輻射場型的分布需求要符合 ETSI-TS2 的規範以下針對輻射場型與

ETSI-mask 做一比較如圖 3-25 所示從圖中發現實作及量測輻射場型全部

工作頻段都能滿足 mask 要求完成一組高增益天線陣列

(a)34GHz

46

(b)355GHz

(c)37GHz

圖 3-25天線陣列輻射場型與 ETSI-mask 比較

圖 3-26 為天線陣列模擬與量測的反射損耗其工作頻率與設計之天線相去

不遠均包含 34GHz~37GHz頻寬設計較大的原因在於避免外在因素造成的頻

飄量測出來可達 33GHz~39GHz略往高頻飄不過與設計的反射損耗相當接

近圖 3-27 為實際量測的增益對頻率的變化圖其增益的全頻段都能大於

14dBiE-plane 與 H-plane 也較為接近整理數據如表 3-6

47

圖 3-26天線陣列反射損耗模擬與量測比較

圖 3-27天線陣列增益對頻率圖

48

頻率(GHz) 33 34 35 36 37 38

E-plane 增益

(dBi) 1485 1591 1620 1687 1627 1507

H-plane 增益

(dBi) 1421 1565 1598 1629 1607 1518

表 3-6天線陣列增益對頻率表

49

圖 3-28 為實體圖俯視圖側視圖與 EBG 實際大小比較

(a) 俯視圖

(b) 側視圖(空氣高度=05mm)

(c)EBG 實體結構

圖 3-28天線陣列實體圖

50

第四章 結論

(Conclusion)

本論文主要是研究適用於基地台的 WiMAX 頻段高增益天線陣列並控制其

頻寬增益及輻射場型能夠符合 ETSI(European Telecommunication Standards

Institute)的規範在論文第二章中提出的高增益天線陣列是利用一個能量分歧

器把能量等效分成三份的饋入網路接上三組一樣的三元素陣列矩形微帶天線所

組成的天線陣列最高增益可達到 17dBi工作頻率的增益都能超過要求的

14dBi輻射場型符合 ETSI-TS2 規範另外本論文所提出的天線陣列為印刷式

天線不但具有輕量化的特性且大幅降低製作上的困難度也減輕了成本的負擔

透過本論文所設計之 EBG 可有效降低傳統 EBG 結構的製程僅以 FR4 板

材即可自行實作比較無須鉚釘並提出有效提升微帶天線增益的包圍方式在

有限的接地面下可選擇適當的晶胞數來改善天線陣列的輻射場型抑制表面波

對天線的干擾讓邊際效應產生的感應磁流干擾降到最低最後在實作及量測部

分驗證我們模擬的結果

51

參考文獻

[1] W L Stutzman and G A Thiele Antenna Theory and Design 2nd ed New York

Wiley 1998

[2] A Balanis Antenna Theory Analysis and Design New York Wiley 1997

[3] R Gardelli G La Cono and M Albani ldquoA low-cost suspended patch antenna for

WLAN access points and point-to-point linksrdquo IEEE Antennas and Propagat vol

3 no 1 pp 90-93 2004

[4] H F Pues and A R Van de capelle ldquoAn impedance-matching technique for

increasing the bandwidth of microstrip antennasrdquo IEEE Trans on Antennas and

Propagat vol 37 no 11 pp 1345-1354 Nov 1989

[5] Q Song and XndashX Zhang ldquoA study on wideband gap-coupled microstrip antenna

arraysrdquo IEEE Trans On Antennas and Propagat vol 43 no 3 pp 313-317 Mar

1995

[6] D Sievenpiper L Z Romulo F J Broas N G Alexopolous and E Yablonovitch

ldquoHigh-impedance electromagnetic surfaces with a forbidden frequency bandrdquo

IEEE Trans Microwave Theory Tech vol 47 no 11 pp 311-335 Nov 1999

[7] F-R Yang K-P Ma Y Qian and T Itoh ldquo A Uniplanar Compact

Photonic-Bandgap (UC-PBG) Structure and Its Applications for Microwave

Circuitsrdquo IEEE Trans MTT vol 47 Aug 1999

[8] M F Abedin M Z Azad and M Ali ldquo wideband smaller unit-cell planar EBG

structures and their applicationrdquo IEEE Trans On Antenna and Propagat vol 56

no 3 pp 903-908 Mar 2008

[9] I J Bahl and P Bhartia Microstrip Antennas Artech House 1980

[10] JR James and P S Hall Handbook of Microstrip Antennas LondonPeter

Peregrinus Ltd 1989

52

[11] K C Gupta R Garg I J Bahl P Bhartia Microstrip Lines and Slotlines 2nd ed

Norwood MAArtech House 1996

[12] T Namiki Y Murayama and K Ito ldquo Improving radiation-pattern distortion of a

patch antenna having a finite ground planerdquo IEEE Trans On Antenna and

Propagat vol 51 no 3 pp 478-482 Mar 2003

[13] R Coccioli F-R Yang K-P Ma and T Itoh ldquo Aperture-coupled patch antenna

on UC-PBG substraterdquo IEEE Trans Microwave Theory Tech vol 47 no 11 pp

2123-2130 Nov 1999

[14] F Yang and Y Rahmat-samii ldquo Microstrip antenna integrated with

electromagnetic band-gap (EBG) structure a low mutual coupling design for array

applicationrdquo IEEE Trans On Antenna and Propagat vol 51 no 10 pp

2936-2946 Oct2003

[15] Z Iluz R Shavit and R Bauer ldquo Microstrip antenna phased array with

electromagnetic bandgap substraterdquo IEEE Trans On Antenna and Propagat vol

52 no 6 pp 1446-1453 June 2004

  • 封面pdf
  • 摘要與目錄pdf
  • 論文_終稿_pdf
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ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP 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 FRA ltFEFF005500740069006c006900730065007a00200063006500730020006f007000740069006f006e00730020006100660069006e00200064006500200063007200e900650072002000640065007300200064006f00630075006d0065006e00740073002000410064006f00620065002000500044004600200070006f007500720020006400650073002000e90070007200650075007600650073002000650074002000640065007300200069006d007000720065007300730069006f006e00730020006400650020006800610075007400650020007100750061006c0069007400e90020007300750072002000640065007300200069006d007000720069006d0061006e0074006500730020006400650020006200750072006500610075002e0020004c0065007300200064006f00630075006d0065006e00740073002000500044004600200063007200e900e90073002000700065007500760065006e0074002000ea0074007200650020006f007500760065007200740073002000640061006e00730020004100630072006f006200610074002c002000610069006e00730069002000710075002700410064006f00620065002000520065006100640065007200200035002e0030002000650074002000760065007200730069006f006e007300200075006c007400e90072006900650075007200650073002egt ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN ltFEFF004200720075006700200069006e0064007300740069006c006c0069006e006700650072006e0065002000740069006c0020006100740020006f007000720065007400740065002000410064006f006200650020005000440046002d0064006f006b0075006d0065006e007400650072002000740069006c0020006b00760061006c00690074006500740073007500640073006b007200690076006e0069006e006700200065006c006c006500720020006b006f007200720065006b007400750072006c00e60073006e0069006e0067002e0020004400650020006f007000720065007400740065006400650020005000440046002d0064006f006b0075006d0065006e0074006500720020006b0061006e002000e50062006e00650073002000690020004100630072006f00620061007400200065006c006c006500720020004100630072006f006200610074002000520065006100640065007200200035002e00300020006f00670020006e0079006500720065002egt DEU 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 ESP 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 FRA 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 ITA ltFEFF005500740069006c0069007a007a006100720065002000710075006500730074006500200069006d0070006f007300740061007a0069006f006e00690020007000650072002000630072006500610072006500200064006f00630075006d0065006e00740069002000410064006f006200650020005000440046002000700065007200200075006e00610020007300740061006d007000610020006400690020007100750061006c0069007400e00020007300750020007300740061006d00700061006e0074006900200065002000700072006f006f0066006500720020006400650073006b0074006f0070002e0020004900200064006f00630075006d0065006e007400690020005000440046002000630072006500610074006900200070006f00730073006f006e006f0020006500730073006500720065002000610070006500720074006900200063006f006e0020004100630072006f00620061007400200065002000410064006f00620065002000520065006100640065007200200035002e003000200065002000760065007200730069006f006e006900200073007500630063006500730073006900760065002egt JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

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UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

24

的平面結構每個單位細胞間以細線做連結細線提供了主要的電感效應每個

單位細胞間以狹縫做為區隔細狹縫間之互容效應與單位細胞之平面電容提供

了主要電容效應利用並接的電感電容效應來達到一寬頻的截止帶

圖 3-2EBG 結構集總電路圖

為了得到我們需要的截止帶首先模擬一個理想傳輸線當對照組(圖 3-3)

使用了介電常數值為 44 的 FR4 電路板厚度為 16mm觀察其反射損耗與插入

損耗從圖 3-4 了解到傳輸線從 1GHz 到 15GHz 反射損耗皆在-20dB 以下插入

損耗-3dB 以上

圖 3-3微帶傳輸線

(a) 俯視圖

(b) 側視圖

25

圖 3-4微帶傳輸線之反射損耗與插入損耗

利用電磁帶隙週期性二維的重複結構如圖 3-5可以找到我們所需要的截止

帶從微帶線的插入損耗可以明顯得到所設計的截止帶頻段跟單位晶胞的大小

成正相關整體電路的等效電感與等效電容越大相對的頻帶也會往低頻跑

(a)正面俯視圖 (b)背面俯視圖

圖 3-5微帶線加上 EBG 結構正面與背面

26

改變單位晶胞大小與截止帶之比較分別從(圖 3-6)4mm2(圖 3-7)6mm2(圖

3-8)8mm2(圖 3-9)10mm2的晶胞大小可以控制截止帶落在哪些區域

(b)反射損耗

a b

g

gs

h

(a)單位晶胞大小

a = 4 mmb = 37 mm s = g = 03 mm h = 18 mm

a

27

圖 3-6微帶線加上 4mm2EBG 結構之晶胞大小與 S 參數比較

從圖 3-6 可以得知從 10GHz 到 12GHz 有一較深之截止帶14GHz 之後也有

截止頻帶只是實驗目標以低頻為主故只模擬到 15GHz繼續改變晶胞大小

來設計低頻截止帶

a b

g

gs

h

(a)單位晶胞大小

a = 6 mm b = 57 mm s = g = 03 mm h = 28 mm

a

(c)插入損耗

28

圖 3-7微帶線加上 6mm2EBG 結構之晶胞大小與 S 參數比較

讓 EBG 晶胞變大(6mm2)跟預期結果相符可以得到更低頻的截止帶低頻帶

從 7GHz 到 9GHz高頻帶 10GHz 之後仍然存在極深之截止帶

(b)S參數比較圖

a bg

gs

h

(a)單位晶胞大小

a = 8 mm b = 76 mm s = g = 04 mm h = 37 mm

a

29

圖 3-8微帶線加上 8mm2EBG 結構之晶胞大小與 S 參數比較

從圖 3-8 的結果得到更低頻的截止帶座落於 43GHz~58GHz 及

61GHz~7GHz 由 於 論 文 中 所 設 計 的 WiMAX 天 線 陣 列 工 作 頻 率 在

34GHz~37GHz故需再將晶胞大小改變讓系統能夠共振在更低頻處

(b)S參數比較圖

a bg

gs

h

(a)單位晶胞大小

a = 10 mm b = 93 mm s = g = 07 mm h = 42 mm

a

30

圖 3-9微帶線加上 10mm2EBG 結構之晶胞大小與 S 參數比較

將週期性電磁帶隙結構結合微帶線可以設計出需要的截止帶圖 3-9 主要

的截止帶在 325GHz~4GHz 及 465GHz~58GHz已經達到需求的頻帶範圍下

個目標將結合微帶天線做改善與比較

(b)S參數比較圖

31

32 電磁帶隙結構包圍方式之探討

321 有限接地面的探討

由於設計的微帶天線主要是在邊射(Broad-side)方向輻射所以需要選擇一個

適當的接地面大小讓輻射場型得到一個最佳值理論上來說無限大的接地面

可以得到最平滑(Smooth)的輻射場型只在單邊輻射不會受到地面干擾實際

上在有限的空間必須選擇一個適當大小的接地面以符合成本與面積要求

而有限的接地面卻容易造成邊緣效應干擾[12]表面波在接地面邊緣產生繞射場

(Diffracted fields)形成新的波源以陣列因子的觀點來看多了新的波源會造

成輻射場型加乘上的消長如圖 3-10微帶貼片天線主要是以前後兩側差半波

長之邊輻射而有限接地面則會在邊緣產生感應磁流(Induced equivalent

magnetic current)如圖 3-11從電場的指向可以推得磁流的方向對照輻射

場型容易在邊射方向造成波紋(Ripple)

圖 3-10有限接地面產生之輻射場型比較圖

L

32

圖 3-11介質中電場指向之強弱分布與感應磁流方向

由於接地面的大小在 E-plane 會產生波紋來干擾輻射場型所以論文中以

EBG 週期性結構來做為一個完美磁導體(Perfect Magnetic ConductorPMC)也

就是人工 PMC(Artificial PMC)抑制邊緣電場的垂直入射減弱感應磁流的效

應以改善天線輻射場型

322 天線周圍包覆 PMC

傳統上 EBG 以圍滿的方式來改善微帶天線之增益與輻射[13]並透過晶胞

數的不斷增加來提高增益及改善輻射場型但晶胞數的增加將提高成本加大

EBG 面積及天線整體體積高達一定數量時反而會降低天線性能對於微帶貼

片天線而言EBG 在接地面太靠近天線輻射邊反而影響其輻射機制造成頻率

飄移因此論文中將探討 EBG 的包圍方式對天線性能之影響以有最佳效果

已知高阻抗表面可以阻擋介質中表面波的傳遞因此先透過理想 PMC 來代

替所設計之高阻抗表面 EBG 結構以分析其特性找出提升天性能的最佳包圍

33

方式

首先把天線周圍包覆 PMC 如圖 3-12以逼近的方式慢慢擴大 PMC 的面積

一圈 PMC 的寬度與設計的晶胞大小邊長一樣從輻射場型來看使用到第二圈

時可以得到最佳的輻射效能如圖 3-13PMC 包圍有其最佳範圍取得有效的包

圍方式可以讓天線輻射最佳化

圖 3-12天線周圍包覆 PMC

34

圖 3-13天線周圍包覆 PMC 之輻射場型比較

參考天線 一圈 PMC 二圈 PMC 三圈 PMC

0 度增益 357dBi 432dBi 545dBi 478dBi

增益改善 075dB 188dB 121dB

表 3-1天線周圍包覆 PMC 之增益改善比較

35

323 輻射邊兩側包覆 PMC

由於微帶天線之表面波傳遞方向以 xz 切面為主如圖 3-14因此在微帶天線

輻射邊的兩側擺放 EBG 結構以抑制其傳遞有效改善天線輻射場型首先使

用理想的 PMC 在天線輻射邊兩側包覆如圖 3-15對於 PMC 覆蓋面積的大小作一

探討變化 PMC 之覆蓋面積了解其對天線輻射場型的影響在邊射(broadside)

方向的輻射場型可以有效改善波紋讓旁波瓣(sidelobe)大幅度降低如圖 3-16

所示以兩列 PMC 可以達到較佳效果再增加一列 PMC 雖些許增加增益不

過 PMC 覆蓋的面積已達飽和因此從上述可知在結合 EBG 和微帶天線時

將有一最佳之覆蓋面積使用最適當之晶胞數來達到最佳的增益改善

圖 3-14表面波在介質空間中分布

36

圖 3-15輻射邊兩側包覆 PMC

圖 3-16輻射邊兩側包覆 PMC 之輻射場型比較

37

參考天線 一列 PMC 二列 PMC 三列 PMC

0 度增益 357dBi 528dBi 642dBi 644dBi

增益改善 171dB 285dB 287dB

表 3-2輻射邊兩側包覆 PMC 之增益改善比較

33 電磁帶隙結構結合單一微帶天線

以下將結合所設計之 EBG 結構和微帶天線以改善微帶天線之輻射場型干

擾從前述的探討先以圍繞式包圍天線做輻射場型比較如圖 3-17 所示

圖 3-17天線周圍包覆 EBG 之輻射場型比較

38

0 度增益

Ref patch antenna 357dBi

圍繞 EBG 572dBi

ΔGain 215dB

表 3-3天線周圍包覆 EBG 之增益改善比較

由於表面波之傳遞主要為 X 軸方向因此以 EBG 之較寬頻的維度來抑制 X

方向的表面波其結合方式如下以兩列 EBG 結構與天線結合比較如圖 3-18

圖 3-18輻射邊兩側包覆 EBG 之輻射場型比較

39

0 度增益

Ref patch antenna 357dBi

輻射邊包覆 EBG 577dBi

ΔGain 22dB

表 3-4輻射邊兩側包覆 EBG 之增益改善比較

兩種包覆 EBG 的情形做比較使用輻射邊兩側包覆 EBG 對表面波抑制可以

達到最直接的效果再對接地面做變化令輻射邊到接地面邊緣距離等於 15 倍

空氣中波長邊緣的等效感應磁流干擾最大在垂射(broadside)方向造成 30 度到

60 度的旁波瓣將晶胞數加到三列使得輻射場型能有最佳效果如圖 3-19 所示

圖 3-19較大接地面應用更多晶胞數改善輻射場型圖

40

34 電磁帶隙結構結合微帶天線陣列

第二章敘述之高增益天線陣列由於在 E-plane 產生較大之旁波瓣因此論

文將結合 EBG 結構與天線陣列改善輻射場型以符合 ETSI-TS2 規範要求

對原本的天線陣列與改善後的天線陣列作一比較如圖 3-20 為天線結構示意圖

俯視圖 yz 切面為表面波影響較大的面因此我們在 E-plane 兩側包覆 EBG使

用三列的 EBG 週期結構另外圖 3-21 為(a)34GHz(b)355GHz(c)37GHz

輻射場型在 E-plane 的改善比較可以發現在(a)跟(b)改善的效果特別明顯旁波

瓣減弱許多而(c)原本旁波瓣就不大所以改善較不明顯再跟 ETSI-mask 做

比較如圖 3-22改善後的天線陣列距離輻射場型標準線有較大之安全距離對實

作上的誤差影響會比較小以下針對輻射場型做一比較

圖 3-20原始天線陣列與應用 EBG 之天線陣列

41

(a)34GHz E-plane 輻射場型比較

(b)355GHz E-plane 輻射場型比較

(c)37GHz E-plane 輻射場型比較

圖 3-21原始天線陣列與應用 EBG 之天線陣列輻射場型比較

(a)34GHz (b)355GHz (c)37GHz

42

(a)34GHz E-plane

(b)355GHz E-plane

(a)37GHz E-plane

圖 3-22原始天線陣列與應用 EBG 之天線陣列與 ETSI-mask 比較

(a)34GHz (b)355GHz (c)37GHz

43

35 模擬與量測結果比較

由上述模擬的結果進行實作及量測的工作如圖 3-23 為微帶天線結合 EBG

結構的架構表 3-5 列出了板材的規格使用的基板是 FR4 玻璃纖維基板並架高

空氣高度為 5mm

Dielectric constant(topbottom) 44 44

Substrate thickness(topbottom) 08mm 16mm

Loss tangent 002

Air gap 5mm

Upper substrate size 250mm x 200mm

Ground size 300mm x 250mm

表 3-5天線陣列設計參數

圖 3-23應用 EBG 之天線陣列結構圖

44

圖 3-24 為天線陣列在 34GHz355GHz37GHz 的輻射場型從圖中可以

觀察模擬與量測場型蠻相近的

(a)34GHz

(b)355GHz

45

(c)37GHz

圖 3-24天線陣列輻射場型模擬與量測比較

對於其輻射場型的分布需求要符合 ETSI-TS2 的規範以下針對輻射場型與

ETSI-mask 做一比較如圖 3-25 所示從圖中發現實作及量測輻射場型全部

工作頻段都能滿足 mask 要求完成一組高增益天線陣列

(a)34GHz

46

(b)355GHz

(c)37GHz

圖 3-25天線陣列輻射場型與 ETSI-mask 比較

圖 3-26 為天線陣列模擬與量測的反射損耗其工作頻率與設計之天線相去

不遠均包含 34GHz~37GHz頻寬設計較大的原因在於避免外在因素造成的頻

飄量測出來可達 33GHz~39GHz略往高頻飄不過與設計的反射損耗相當接

近圖 3-27 為實際量測的增益對頻率的變化圖其增益的全頻段都能大於

14dBiE-plane 與 H-plane 也較為接近整理數據如表 3-6

47

圖 3-26天線陣列反射損耗模擬與量測比較

圖 3-27天線陣列增益對頻率圖

48

頻率(GHz) 33 34 35 36 37 38

E-plane 增益

(dBi) 1485 1591 1620 1687 1627 1507

H-plane 增益

(dBi) 1421 1565 1598 1629 1607 1518

表 3-6天線陣列增益對頻率表

49

圖 3-28 為實體圖俯視圖側視圖與 EBG 實際大小比較

(a) 俯視圖

(b) 側視圖(空氣高度=05mm)

(c)EBG 實體結構

圖 3-28天線陣列實體圖

50

第四章 結論

(Conclusion)

本論文主要是研究適用於基地台的 WiMAX 頻段高增益天線陣列並控制其

頻寬增益及輻射場型能夠符合 ETSI(European Telecommunication Standards

Institute)的規範在論文第二章中提出的高增益天線陣列是利用一個能量分歧

器把能量等效分成三份的饋入網路接上三組一樣的三元素陣列矩形微帶天線所

組成的天線陣列最高增益可達到 17dBi工作頻率的增益都能超過要求的

14dBi輻射場型符合 ETSI-TS2 規範另外本論文所提出的天線陣列為印刷式

天線不但具有輕量化的特性且大幅降低製作上的困難度也減輕了成本的負擔

透過本論文所設計之 EBG 可有效降低傳統 EBG 結構的製程僅以 FR4 板

材即可自行實作比較無須鉚釘並提出有效提升微帶天線增益的包圍方式在

有限的接地面下可選擇適當的晶胞數來改善天線陣列的輻射場型抑制表面波

對天線的干擾讓邊際效應產生的感應磁流干擾降到最低最後在實作及量測部

分驗證我們模擬的結果

51

參考文獻

[1] W L Stutzman and G A Thiele Antenna Theory and Design 2nd ed New York

Wiley 1998

[2] A Balanis Antenna Theory Analysis and Design New York Wiley 1997

[3] R Gardelli G La Cono and M Albani ldquoA low-cost suspended patch antenna for

WLAN access points and point-to-point linksrdquo IEEE Antennas and Propagat vol

3 no 1 pp 90-93 2004

[4] H F Pues and A R Van de capelle ldquoAn impedance-matching technique for

increasing the bandwidth of microstrip antennasrdquo IEEE Trans on Antennas and

Propagat vol 37 no 11 pp 1345-1354 Nov 1989

[5] Q Song and XndashX Zhang ldquoA study on wideband gap-coupled microstrip antenna

arraysrdquo IEEE Trans On Antennas and Propagat vol 43 no 3 pp 313-317 Mar

1995

[6] D Sievenpiper L Z Romulo F J Broas N G Alexopolous and E Yablonovitch

ldquoHigh-impedance electromagnetic surfaces with a forbidden frequency bandrdquo

IEEE Trans Microwave Theory Tech vol 47 no 11 pp 311-335 Nov 1999

[7] F-R Yang K-P Ma Y Qian and T Itoh ldquo A Uniplanar Compact

Photonic-Bandgap (UC-PBG) Structure and Its Applications for Microwave

Circuitsrdquo IEEE Trans MTT vol 47 Aug 1999

[8] M F Abedin M Z Azad and M Ali ldquo wideband smaller unit-cell planar EBG

structures and their applicationrdquo IEEE Trans On Antenna and Propagat vol 56

no 3 pp 903-908 Mar 2008

[9] I J Bahl and P Bhartia Microstrip Antennas Artech House 1980

[10] JR James and P S Hall Handbook of Microstrip Antennas LondonPeter

Peregrinus Ltd 1989

52

[11] K C Gupta R Garg I J Bahl P Bhartia Microstrip Lines and Slotlines 2nd ed

Norwood MAArtech House 1996

[12] T Namiki Y Murayama and K Ito ldquo Improving radiation-pattern distortion of a

patch antenna having a finite ground planerdquo IEEE Trans On Antenna and

Propagat vol 51 no 3 pp 478-482 Mar 2003

[13] R Coccioli F-R Yang K-P Ma and T Itoh ldquo Aperture-coupled patch antenna

on UC-PBG substraterdquo IEEE Trans Microwave Theory Tech vol 47 no 11 pp

2123-2130 Nov 1999

[14] F Yang and Y Rahmat-samii ldquo Microstrip antenna integrated with

electromagnetic band-gap (EBG) structure a low mutual coupling design for array

applicationrdquo IEEE Trans On Antenna and Propagat vol 51 no 10 pp

2936-2946 Oct2003

[15] Z Iluz R Shavit and R Bauer ldquo Microstrip antenna phased array with

electromagnetic bandgap substraterdquo IEEE Trans On Antenna and Propagat vol

52 no 6 pp 1446-1453 June 2004

  • 封面pdf
  • 摘要與目錄pdf
  • 論文_終稿_pdf
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 DEU 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 ESP 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 FRA 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 ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP 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 FRA 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 ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR ltFEFF004200720075006b00200064006900730073006500200069006e006e007300740069006c006c0069006e00670065006e0065002000740069006c002000e50020006f0070007000720065007400740065002000410064006f006200650020005000440046002d0064006f006b0075006d0065006e00740065007200200066006f00720020007500740073006b00720069006600740020006100760020006800f800790020006b00760061006c00690074006500740020007000e500200062006f007200640073006b0072006900760065007200200065006c006c00650072002000700072006f006f006600650072002e0020005000440046002d0064006f006b0075006d0065006e00740065006e00650020006b0061006e002000e50070006e00650073002000690020004100630072006f00620061007400200065006c006c00650072002000410064006f00620065002000520065006100640065007200200035002e003000200065006c006c00650072002000730065006e006500720065002egt PTB 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 SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 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false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly 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 ESP 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 FRA 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ITA 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 JPN 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 KOR 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 SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

25

圖 3-4微帶傳輸線之反射損耗與插入損耗

利用電磁帶隙週期性二維的重複結構如圖 3-5可以找到我們所需要的截止

帶從微帶線的插入損耗可以明顯得到所設計的截止帶頻段跟單位晶胞的大小

成正相關整體電路的等效電感與等效電容越大相對的頻帶也會往低頻跑

(a)正面俯視圖 (b)背面俯視圖

圖 3-5微帶線加上 EBG 結構正面與背面

26

改變單位晶胞大小與截止帶之比較分別從(圖 3-6)4mm2(圖 3-7)6mm2(圖

3-8)8mm2(圖 3-9)10mm2的晶胞大小可以控制截止帶落在哪些區域

(b)反射損耗

a b

g

gs

h

(a)單位晶胞大小

a = 4 mmb = 37 mm s = g = 03 mm h = 18 mm

a

27

圖 3-6微帶線加上 4mm2EBG 結構之晶胞大小與 S 參數比較

從圖 3-6 可以得知從 10GHz 到 12GHz 有一較深之截止帶14GHz 之後也有

截止頻帶只是實驗目標以低頻為主故只模擬到 15GHz繼續改變晶胞大小

來設計低頻截止帶

a b

g

gs

h

(a)單位晶胞大小

a = 6 mm b = 57 mm s = g = 03 mm h = 28 mm

a

(c)插入損耗

28

圖 3-7微帶線加上 6mm2EBG 結構之晶胞大小與 S 參數比較

讓 EBG 晶胞變大(6mm2)跟預期結果相符可以得到更低頻的截止帶低頻帶

從 7GHz 到 9GHz高頻帶 10GHz 之後仍然存在極深之截止帶

(b)S參數比較圖

a bg

gs

h

(a)單位晶胞大小

a = 8 mm b = 76 mm s = g = 04 mm h = 37 mm

a

29

圖 3-8微帶線加上 8mm2EBG 結構之晶胞大小與 S 參數比較

從圖 3-8 的結果得到更低頻的截止帶座落於 43GHz~58GHz 及

61GHz~7GHz 由 於 論 文 中 所 設 計 的 WiMAX 天 線 陣 列 工 作 頻 率 在

34GHz~37GHz故需再將晶胞大小改變讓系統能夠共振在更低頻處

(b)S參數比較圖

a bg

gs

h

(a)單位晶胞大小

a = 10 mm b = 93 mm s = g = 07 mm h = 42 mm

a

30

圖 3-9微帶線加上 10mm2EBG 結構之晶胞大小與 S 參數比較

將週期性電磁帶隙結構結合微帶線可以設計出需要的截止帶圖 3-9 主要

的截止帶在 325GHz~4GHz 及 465GHz~58GHz已經達到需求的頻帶範圍下

個目標將結合微帶天線做改善與比較

(b)S參數比較圖

31

32 電磁帶隙結構包圍方式之探討

321 有限接地面的探討

由於設計的微帶天線主要是在邊射(Broad-side)方向輻射所以需要選擇一個

適當的接地面大小讓輻射場型得到一個最佳值理論上來說無限大的接地面

可以得到最平滑(Smooth)的輻射場型只在單邊輻射不會受到地面干擾實際

上在有限的空間必須選擇一個適當大小的接地面以符合成本與面積要求

而有限的接地面卻容易造成邊緣效應干擾[12]表面波在接地面邊緣產生繞射場

(Diffracted fields)形成新的波源以陣列因子的觀點來看多了新的波源會造

成輻射場型加乘上的消長如圖 3-10微帶貼片天線主要是以前後兩側差半波

長之邊輻射而有限接地面則會在邊緣產生感應磁流(Induced equivalent

magnetic current)如圖 3-11從電場的指向可以推得磁流的方向對照輻射

場型容易在邊射方向造成波紋(Ripple)

圖 3-10有限接地面產生之輻射場型比較圖

L

32

圖 3-11介質中電場指向之強弱分布與感應磁流方向

由於接地面的大小在 E-plane 會產生波紋來干擾輻射場型所以論文中以

EBG 週期性結構來做為一個完美磁導體(Perfect Magnetic ConductorPMC)也

就是人工 PMC(Artificial PMC)抑制邊緣電場的垂直入射減弱感應磁流的效

應以改善天線輻射場型

322 天線周圍包覆 PMC

傳統上 EBG 以圍滿的方式來改善微帶天線之增益與輻射[13]並透過晶胞

數的不斷增加來提高增益及改善輻射場型但晶胞數的增加將提高成本加大

EBG 面積及天線整體體積高達一定數量時反而會降低天線性能對於微帶貼

片天線而言EBG 在接地面太靠近天線輻射邊反而影響其輻射機制造成頻率

飄移因此論文中將探討 EBG 的包圍方式對天線性能之影響以有最佳效果

已知高阻抗表面可以阻擋介質中表面波的傳遞因此先透過理想 PMC 來代

替所設計之高阻抗表面 EBG 結構以分析其特性找出提升天性能的最佳包圍

33

方式

首先把天線周圍包覆 PMC 如圖 3-12以逼近的方式慢慢擴大 PMC 的面積

一圈 PMC 的寬度與設計的晶胞大小邊長一樣從輻射場型來看使用到第二圈

時可以得到最佳的輻射效能如圖 3-13PMC 包圍有其最佳範圍取得有效的包

圍方式可以讓天線輻射最佳化

圖 3-12天線周圍包覆 PMC

34

圖 3-13天線周圍包覆 PMC 之輻射場型比較

參考天線 一圈 PMC 二圈 PMC 三圈 PMC

0 度增益 357dBi 432dBi 545dBi 478dBi

增益改善 075dB 188dB 121dB

表 3-1天線周圍包覆 PMC 之增益改善比較

35

323 輻射邊兩側包覆 PMC

由於微帶天線之表面波傳遞方向以 xz 切面為主如圖 3-14因此在微帶天線

輻射邊的兩側擺放 EBG 結構以抑制其傳遞有效改善天線輻射場型首先使

用理想的 PMC 在天線輻射邊兩側包覆如圖 3-15對於 PMC 覆蓋面積的大小作一

探討變化 PMC 之覆蓋面積了解其對天線輻射場型的影響在邊射(broadside)

方向的輻射場型可以有效改善波紋讓旁波瓣(sidelobe)大幅度降低如圖 3-16

所示以兩列 PMC 可以達到較佳效果再增加一列 PMC 雖些許增加增益不

過 PMC 覆蓋的面積已達飽和因此從上述可知在結合 EBG 和微帶天線時

將有一最佳之覆蓋面積使用最適當之晶胞數來達到最佳的增益改善

圖 3-14表面波在介質空間中分布

36

圖 3-15輻射邊兩側包覆 PMC

圖 3-16輻射邊兩側包覆 PMC 之輻射場型比較

37

參考天線 一列 PMC 二列 PMC 三列 PMC

0 度增益 357dBi 528dBi 642dBi 644dBi

增益改善 171dB 285dB 287dB

表 3-2輻射邊兩側包覆 PMC 之增益改善比較

33 電磁帶隙結構結合單一微帶天線

以下將結合所設計之 EBG 結構和微帶天線以改善微帶天線之輻射場型干

擾從前述的探討先以圍繞式包圍天線做輻射場型比較如圖 3-17 所示

圖 3-17天線周圍包覆 EBG 之輻射場型比較

38

0 度增益

Ref patch antenna 357dBi

圍繞 EBG 572dBi

ΔGain 215dB

表 3-3天線周圍包覆 EBG 之增益改善比較

由於表面波之傳遞主要為 X 軸方向因此以 EBG 之較寬頻的維度來抑制 X

方向的表面波其結合方式如下以兩列 EBG 結構與天線結合比較如圖 3-18

圖 3-18輻射邊兩側包覆 EBG 之輻射場型比較

39

0 度增益

Ref patch antenna 357dBi

輻射邊包覆 EBG 577dBi

ΔGain 22dB

表 3-4輻射邊兩側包覆 EBG 之增益改善比較

兩種包覆 EBG 的情形做比較使用輻射邊兩側包覆 EBG 對表面波抑制可以

達到最直接的效果再對接地面做變化令輻射邊到接地面邊緣距離等於 15 倍

空氣中波長邊緣的等效感應磁流干擾最大在垂射(broadside)方向造成 30 度到

60 度的旁波瓣將晶胞數加到三列使得輻射場型能有最佳效果如圖 3-19 所示

圖 3-19較大接地面應用更多晶胞數改善輻射場型圖

40

34 電磁帶隙結構結合微帶天線陣列

第二章敘述之高增益天線陣列由於在 E-plane 產生較大之旁波瓣因此論

文將結合 EBG 結構與天線陣列改善輻射場型以符合 ETSI-TS2 規範要求

對原本的天線陣列與改善後的天線陣列作一比較如圖 3-20 為天線結構示意圖

俯視圖 yz 切面為表面波影響較大的面因此我們在 E-plane 兩側包覆 EBG使

用三列的 EBG 週期結構另外圖 3-21 為(a)34GHz(b)355GHz(c)37GHz

輻射場型在 E-plane 的改善比較可以發現在(a)跟(b)改善的效果特別明顯旁波

瓣減弱許多而(c)原本旁波瓣就不大所以改善較不明顯再跟 ETSI-mask 做

比較如圖 3-22改善後的天線陣列距離輻射場型標準線有較大之安全距離對實

作上的誤差影響會比較小以下針對輻射場型做一比較

圖 3-20原始天線陣列與應用 EBG 之天線陣列

41

(a)34GHz E-plane 輻射場型比較

(b)355GHz E-plane 輻射場型比較

(c)37GHz E-plane 輻射場型比較

圖 3-21原始天線陣列與應用 EBG 之天線陣列輻射場型比較

(a)34GHz (b)355GHz (c)37GHz

42

(a)34GHz E-plane

(b)355GHz E-plane

(a)37GHz E-plane

圖 3-22原始天線陣列與應用 EBG 之天線陣列與 ETSI-mask 比較

(a)34GHz (b)355GHz (c)37GHz

43

35 模擬與量測結果比較

由上述模擬的結果進行實作及量測的工作如圖 3-23 為微帶天線結合 EBG

結構的架構表 3-5 列出了板材的規格使用的基板是 FR4 玻璃纖維基板並架高

空氣高度為 5mm

Dielectric constant(topbottom) 44 44

Substrate thickness(topbottom) 08mm 16mm

Loss tangent 002

Air gap 5mm

Upper substrate size 250mm x 200mm

Ground size 300mm x 250mm

表 3-5天線陣列設計參數

圖 3-23應用 EBG 之天線陣列結構圖

44

圖 3-24 為天線陣列在 34GHz355GHz37GHz 的輻射場型從圖中可以

觀察模擬與量測場型蠻相近的

(a)34GHz

(b)355GHz

45

(c)37GHz

圖 3-24天線陣列輻射場型模擬與量測比較

對於其輻射場型的分布需求要符合 ETSI-TS2 的規範以下針對輻射場型與

ETSI-mask 做一比較如圖 3-25 所示從圖中發現實作及量測輻射場型全部

工作頻段都能滿足 mask 要求完成一組高增益天線陣列

(a)34GHz

46

(b)355GHz

(c)37GHz

圖 3-25天線陣列輻射場型與 ETSI-mask 比較

圖 3-26 為天線陣列模擬與量測的反射損耗其工作頻率與設計之天線相去

不遠均包含 34GHz~37GHz頻寬設計較大的原因在於避免外在因素造成的頻

飄量測出來可達 33GHz~39GHz略往高頻飄不過與設計的反射損耗相當接

近圖 3-27 為實際量測的增益對頻率的變化圖其增益的全頻段都能大於

14dBiE-plane 與 H-plane 也較為接近整理數據如表 3-6

47

圖 3-26天線陣列反射損耗模擬與量測比較

圖 3-27天線陣列增益對頻率圖

48

頻率(GHz) 33 34 35 36 37 38

E-plane 增益

(dBi) 1485 1591 1620 1687 1627 1507

H-plane 增益

(dBi) 1421 1565 1598 1629 1607 1518

表 3-6天線陣列增益對頻率表

49

圖 3-28 為實體圖俯視圖側視圖與 EBG 實際大小比較

(a) 俯視圖

(b) 側視圖(空氣高度=05mm)

(c)EBG 實體結構

圖 3-28天線陣列實體圖

50

第四章 結論

(Conclusion)

本論文主要是研究適用於基地台的 WiMAX 頻段高增益天線陣列並控制其

頻寬增益及輻射場型能夠符合 ETSI(European Telecommunication Standards

Institute)的規範在論文第二章中提出的高增益天線陣列是利用一個能量分歧

器把能量等效分成三份的饋入網路接上三組一樣的三元素陣列矩形微帶天線所

組成的天線陣列最高增益可達到 17dBi工作頻率的增益都能超過要求的

14dBi輻射場型符合 ETSI-TS2 規範另外本論文所提出的天線陣列為印刷式

天線不但具有輕量化的特性且大幅降低製作上的困難度也減輕了成本的負擔

透過本論文所設計之 EBG 可有效降低傳統 EBG 結構的製程僅以 FR4 板

材即可自行實作比較無須鉚釘並提出有效提升微帶天線增益的包圍方式在

有限的接地面下可選擇適當的晶胞數來改善天線陣列的輻射場型抑制表面波

對天線的干擾讓邊際效應產生的感應磁流干擾降到最低最後在實作及量測部

分驗證我們模擬的結果

51

參考文獻

[1] W L Stutzman and G A Thiele Antenna Theory and Design 2nd ed New York

Wiley 1998

[2] A Balanis Antenna Theory Analysis and Design New York Wiley 1997

[3] R Gardelli G La Cono and M Albani ldquoA low-cost suspended patch antenna for

WLAN access points and point-to-point linksrdquo IEEE Antennas and Propagat vol

3 no 1 pp 90-93 2004

[4] H F Pues and A R Van de capelle ldquoAn impedance-matching technique for

increasing the bandwidth of microstrip antennasrdquo IEEE Trans on Antennas and

Propagat vol 37 no 11 pp 1345-1354 Nov 1989

[5] Q Song and XndashX Zhang ldquoA study on wideband gap-coupled microstrip antenna

arraysrdquo IEEE Trans On Antennas and Propagat vol 43 no 3 pp 313-317 Mar

1995

[6] D Sievenpiper L Z Romulo F J Broas N G Alexopolous and E Yablonovitch

ldquoHigh-impedance electromagnetic surfaces with a forbidden frequency bandrdquo

IEEE Trans Microwave Theory Tech vol 47 no 11 pp 311-335 Nov 1999

[7] F-R Yang K-P Ma Y Qian and T Itoh ldquo A Uniplanar Compact

Photonic-Bandgap (UC-PBG) Structure and Its Applications for Microwave

Circuitsrdquo IEEE Trans MTT vol 47 Aug 1999

[8] M F Abedin M Z Azad and M Ali ldquo wideband smaller unit-cell planar EBG

structures and their applicationrdquo IEEE Trans On Antenna and Propagat vol 56

no 3 pp 903-908 Mar 2008

[9] I J Bahl and P Bhartia Microstrip Antennas Artech House 1980

[10] JR James and P S Hall Handbook of Microstrip Antennas LondonPeter

Peregrinus Ltd 1989

52

[11] K C Gupta R Garg I J Bahl P Bhartia Microstrip Lines and Slotlines 2nd ed

Norwood MAArtech House 1996

[12] T Namiki Y Murayama and K Ito ldquo Improving radiation-pattern distortion of a

patch antenna having a finite ground planerdquo IEEE Trans On Antenna and

Propagat vol 51 no 3 pp 478-482 Mar 2003

[13] R Coccioli F-R Yang K-P Ma and T Itoh ldquo Aperture-coupled patch antenna

on UC-PBG substraterdquo IEEE Trans Microwave Theory Tech vol 47 no 11 pp

2123-2130 Nov 1999

[14] F Yang and Y Rahmat-samii ldquo Microstrip antenna integrated with

electromagnetic band-gap (EBG) structure a low mutual coupling design for array

applicationrdquo IEEE Trans On Antenna and Propagat vol 51 no 10 pp

2936-2946 Oct2003

[15] Z Iluz R Shavit and R Bauer ldquo Microstrip antenna phased array with

electromagnetic bandgap substraterdquo IEEE Trans On Antenna and Propagat vol

52 no 6 pp 1446-1453 June 2004

  • 封面pdf
  • 摘要與目錄pdf
  • 論文_終稿_pdf
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 DEU 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 ESP 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 FRA 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 ITA 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 JPN ltFEFF9ad854c18cea51fa529b7528002000410064006f0062006500200050004400460020658766f8306e4f5c6210306b4f7f75283057307e30593002537052376642306e753b8cea3092670059279650306b4fdd306430533068304c3067304d307e3059300230c730b930af30c830c330d730d730ea30f330bf3067306e53705237307e305f306f30d730eb30fc30d57528306b9069305730663044307e305930023053306e8a2d5b9a30674f5c62103055308c305f0020005000440046002030d530a130a430eb306f3001004100630072006f0062006100740020304a30883073002000410064006f00620065002000520065006100640065007200200035002e003000204ee5964d3067958b304f30533068304c3067304d307e30593002gt KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP ltFEFF005500740069006c0069006300650020006500730074006100200063006f006e0066006900670075007200610063006900f3006e0020007000610072006100200063007200650061007200200064006f00630075006d0065006e0074006f0073002000640065002000410064006f0062006500200050004400460020007000610072006100200063006f006e00730065006700750069007200200069006d0070007200650073006900f3006e002000640065002000630061006c006900640061006400200065006e00200069006d0070007200650073006f0072006100730020006400650020006500730063007200690074006f00720069006f00200079002000680065007200720061006d00690065006e00740061007300200064006500200063006f00720072006500630063006900f3006e002e002000530065002000700075006500640065006e00200061006200720069007200200064006f00630075006d0065006e0074006f00730020005000440046002000630072006500610064006f007300200063006f006e0020004100630072006f006200610074002c002000410064006f00620065002000520065006100640065007200200035002e003000200079002000760065007200730069006f006e0065007300200070006f00730074006500720069006f007200650073002egt FRA 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 ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB ltFEFF005500740069006c0069007a006500200065007300730061007300200063006f006e00660069006700750072006100e700f50065007300200064006500200066006f0072006d00610020006100200063007200690061007200200064006f00630075006d0065006e0074006f0073002000410064006f0062006500200050004400460020007000610072006100200069006d0070007200650073007300f5006500730020006400650020007100750061006c0069006400610064006500200065006d00200069006d00700072006500730073006f0072006100730020006400650073006b0074006f00700020006500200064006900730070006f00730069007400690076006f0073002000640065002000700072006f00760061002e0020004f007300200064006f00630075006d0065006e0074006f00730020005000440046002000630072006900610064006f007300200070006f00640065006d0020007300650072002000610062006500720074006f007300200063006f006d0020006f0020004100630072006f006200610074002000650020006f002000410064006f00620065002000520065006100640065007200200035002e0030002000650020007600650072007300f50065007300200070006f00730074006500720069006f007200650073002egt SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

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false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU ltFEFF00560065007200770065006e00640065006e0020005300690065002000640069006500730065002000450069006e007300740065006c006c0075006e00670065006e0020007a0075006d002000450072007300740065006c006c0065006e00200076006f006e002000410064006f006200650020005000440046002d0044006f006b0075006d0065006e00740065006e002c00200076006f006e002000640065006e0065006e002000530069006500200068006f00630068007700650072007400690067006500200044007200750063006b006500200061007500660020004400650073006b0074006f0070002d0044007200750063006b00650072006e00200075006e0064002000500072006f006f0066002d00470065007200e400740065006e002000650072007a0065007500670065006e0020006d00f60063006800740065006e002e002000450072007300740065006c006c007400650020005000440046002d0044006f006b0075006d0065006e007400650020006b00f6006e006e0065006e0020006d006900740020004100630072006f00620061007400200075006e0064002000410064006f00620065002000520065006100640065007200200035002e00300020006f0064006500720020006800f600680065007200200067006500f600660066006e00650074002000770065007200640065006e002egt ESP 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 FRA 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 ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

26

改變單位晶胞大小與截止帶之比較分別從(圖 3-6)4mm2(圖 3-7)6mm2(圖

3-8)8mm2(圖 3-9)10mm2的晶胞大小可以控制截止帶落在哪些區域

(b)反射損耗

a b

g

gs

h

(a)單位晶胞大小

a = 4 mmb = 37 mm s = g = 03 mm h = 18 mm

a

27

圖 3-6微帶線加上 4mm2EBG 結構之晶胞大小與 S 參數比較

從圖 3-6 可以得知從 10GHz 到 12GHz 有一較深之截止帶14GHz 之後也有

截止頻帶只是實驗目標以低頻為主故只模擬到 15GHz繼續改變晶胞大小

來設計低頻截止帶

a b

g

gs

h

(a)單位晶胞大小

a = 6 mm b = 57 mm s = g = 03 mm h = 28 mm

a

(c)插入損耗

28

圖 3-7微帶線加上 6mm2EBG 結構之晶胞大小與 S 參數比較

讓 EBG 晶胞變大(6mm2)跟預期結果相符可以得到更低頻的截止帶低頻帶

從 7GHz 到 9GHz高頻帶 10GHz 之後仍然存在極深之截止帶

(b)S參數比較圖

a bg

gs

h

(a)單位晶胞大小

a = 8 mm b = 76 mm s = g = 04 mm h = 37 mm

a

29

圖 3-8微帶線加上 8mm2EBG 結構之晶胞大小與 S 參數比較

從圖 3-8 的結果得到更低頻的截止帶座落於 43GHz~58GHz 及

61GHz~7GHz 由 於 論 文 中 所 設 計 的 WiMAX 天 線 陣 列 工 作 頻 率 在

34GHz~37GHz故需再將晶胞大小改變讓系統能夠共振在更低頻處

(b)S參數比較圖

a bg

gs

h

(a)單位晶胞大小

a = 10 mm b = 93 mm s = g = 07 mm h = 42 mm

a

30

圖 3-9微帶線加上 10mm2EBG 結構之晶胞大小與 S 參數比較

將週期性電磁帶隙結構結合微帶線可以設計出需要的截止帶圖 3-9 主要

的截止帶在 325GHz~4GHz 及 465GHz~58GHz已經達到需求的頻帶範圍下

個目標將結合微帶天線做改善與比較

(b)S參數比較圖

31

32 電磁帶隙結構包圍方式之探討

321 有限接地面的探討

由於設計的微帶天線主要是在邊射(Broad-side)方向輻射所以需要選擇一個

適當的接地面大小讓輻射場型得到一個最佳值理論上來說無限大的接地面

可以得到最平滑(Smooth)的輻射場型只在單邊輻射不會受到地面干擾實際

上在有限的空間必須選擇一個適當大小的接地面以符合成本與面積要求

而有限的接地面卻容易造成邊緣效應干擾[12]表面波在接地面邊緣產生繞射場

(Diffracted fields)形成新的波源以陣列因子的觀點來看多了新的波源會造

成輻射場型加乘上的消長如圖 3-10微帶貼片天線主要是以前後兩側差半波

長之邊輻射而有限接地面則會在邊緣產生感應磁流(Induced equivalent

magnetic current)如圖 3-11從電場的指向可以推得磁流的方向對照輻射

場型容易在邊射方向造成波紋(Ripple)

圖 3-10有限接地面產生之輻射場型比較圖

L

32

圖 3-11介質中電場指向之強弱分布與感應磁流方向

由於接地面的大小在 E-plane 會產生波紋來干擾輻射場型所以論文中以

EBG 週期性結構來做為一個完美磁導體(Perfect Magnetic ConductorPMC)也

就是人工 PMC(Artificial PMC)抑制邊緣電場的垂直入射減弱感應磁流的效

應以改善天線輻射場型

322 天線周圍包覆 PMC

傳統上 EBG 以圍滿的方式來改善微帶天線之增益與輻射[13]並透過晶胞

數的不斷增加來提高增益及改善輻射場型但晶胞數的增加將提高成本加大

EBG 面積及天線整體體積高達一定數量時反而會降低天線性能對於微帶貼

片天線而言EBG 在接地面太靠近天線輻射邊反而影響其輻射機制造成頻率

飄移因此論文中將探討 EBG 的包圍方式對天線性能之影響以有最佳效果

已知高阻抗表面可以阻擋介質中表面波的傳遞因此先透過理想 PMC 來代

替所設計之高阻抗表面 EBG 結構以分析其特性找出提升天性能的最佳包圍

33

方式

首先把天線周圍包覆 PMC 如圖 3-12以逼近的方式慢慢擴大 PMC 的面積

一圈 PMC 的寬度與設計的晶胞大小邊長一樣從輻射場型來看使用到第二圈

時可以得到最佳的輻射效能如圖 3-13PMC 包圍有其最佳範圍取得有效的包

圍方式可以讓天線輻射最佳化

圖 3-12天線周圍包覆 PMC

34

圖 3-13天線周圍包覆 PMC 之輻射場型比較

參考天線 一圈 PMC 二圈 PMC 三圈 PMC

0 度增益 357dBi 432dBi 545dBi 478dBi

增益改善 075dB 188dB 121dB

表 3-1天線周圍包覆 PMC 之增益改善比較

35

323 輻射邊兩側包覆 PMC

由於微帶天線之表面波傳遞方向以 xz 切面為主如圖 3-14因此在微帶天線

輻射邊的兩側擺放 EBG 結構以抑制其傳遞有效改善天線輻射場型首先使

用理想的 PMC 在天線輻射邊兩側包覆如圖 3-15對於 PMC 覆蓋面積的大小作一

探討變化 PMC 之覆蓋面積了解其對天線輻射場型的影響在邊射(broadside)

方向的輻射場型可以有效改善波紋讓旁波瓣(sidelobe)大幅度降低如圖 3-16

所示以兩列 PMC 可以達到較佳效果再增加一列 PMC 雖些許增加增益不

過 PMC 覆蓋的面積已達飽和因此從上述可知在結合 EBG 和微帶天線時

將有一最佳之覆蓋面積使用最適當之晶胞數來達到最佳的增益改善

圖 3-14表面波在介質空間中分布

36

圖 3-15輻射邊兩側包覆 PMC

圖 3-16輻射邊兩側包覆 PMC 之輻射場型比較

37

參考天線 一列 PMC 二列 PMC 三列 PMC

0 度增益 357dBi 528dBi 642dBi 644dBi

增益改善 171dB 285dB 287dB

表 3-2輻射邊兩側包覆 PMC 之增益改善比較

33 電磁帶隙結構結合單一微帶天線

以下將結合所設計之 EBG 結構和微帶天線以改善微帶天線之輻射場型干

擾從前述的探討先以圍繞式包圍天線做輻射場型比較如圖 3-17 所示

圖 3-17天線周圍包覆 EBG 之輻射場型比較

38

0 度增益

Ref patch antenna 357dBi

圍繞 EBG 572dBi

ΔGain 215dB

表 3-3天線周圍包覆 EBG 之增益改善比較

由於表面波之傳遞主要為 X 軸方向因此以 EBG 之較寬頻的維度來抑制 X

方向的表面波其結合方式如下以兩列 EBG 結構與天線結合比較如圖 3-18

圖 3-18輻射邊兩側包覆 EBG 之輻射場型比較

39

0 度增益

Ref patch antenna 357dBi

輻射邊包覆 EBG 577dBi

ΔGain 22dB

表 3-4輻射邊兩側包覆 EBG 之增益改善比較

兩種包覆 EBG 的情形做比較使用輻射邊兩側包覆 EBG 對表面波抑制可以

達到最直接的效果再對接地面做變化令輻射邊到接地面邊緣距離等於 15 倍

空氣中波長邊緣的等效感應磁流干擾最大在垂射(broadside)方向造成 30 度到

60 度的旁波瓣將晶胞數加到三列使得輻射場型能有最佳效果如圖 3-19 所示

圖 3-19較大接地面應用更多晶胞數改善輻射場型圖

40

34 電磁帶隙結構結合微帶天線陣列

第二章敘述之高增益天線陣列由於在 E-plane 產生較大之旁波瓣因此論

文將結合 EBG 結構與天線陣列改善輻射場型以符合 ETSI-TS2 規範要求

對原本的天線陣列與改善後的天線陣列作一比較如圖 3-20 為天線結構示意圖

俯視圖 yz 切面為表面波影響較大的面因此我們在 E-plane 兩側包覆 EBG使

用三列的 EBG 週期結構另外圖 3-21 為(a)34GHz(b)355GHz(c)37GHz

輻射場型在 E-plane 的改善比較可以發現在(a)跟(b)改善的效果特別明顯旁波

瓣減弱許多而(c)原本旁波瓣就不大所以改善較不明顯再跟 ETSI-mask 做

比較如圖 3-22改善後的天線陣列距離輻射場型標準線有較大之安全距離對實

作上的誤差影響會比較小以下針對輻射場型做一比較

圖 3-20原始天線陣列與應用 EBG 之天線陣列

41

(a)34GHz E-plane 輻射場型比較

(b)355GHz E-plane 輻射場型比較

(c)37GHz E-plane 輻射場型比較

圖 3-21原始天線陣列與應用 EBG 之天線陣列輻射場型比較

(a)34GHz (b)355GHz (c)37GHz

42

(a)34GHz E-plane

(b)355GHz E-plane

(a)37GHz E-plane

圖 3-22原始天線陣列與應用 EBG 之天線陣列與 ETSI-mask 比較

(a)34GHz (b)355GHz (c)37GHz

43

35 模擬與量測結果比較

由上述模擬的結果進行實作及量測的工作如圖 3-23 為微帶天線結合 EBG

結構的架構表 3-5 列出了板材的規格使用的基板是 FR4 玻璃纖維基板並架高

空氣高度為 5mm

Dielectric constant(topbottom) 44 44

Substrate thickness(topbottom) 08mm 16mm

Loss tangent 002

Air gap 5mm

Upper substrate size 250mm x 200mm

Ground size 300mm x 250mm

表 3-5天線陣列設計參數

圖 3-23應用 EBG 之天線陣列結構圖

44

圖 3-24 為天線陣列在 34GHz355GHz37GHz 的輻射場型從圖中可以

觀察模擬與量測場型蠻相近的

(a)34GHz

(b)355GHz

45

(c)37GHz

圖 3-24天線陣列輻射場型模擬與量測比較

對於其輻射場型的分布需求要符合 ETSI-TS2 的規範以下針對輻射場型與

ETSI-mask 做一比較如圖 3-25 所示從圖中發現實作及量測輻射場型全部

工作頻段都能滿足 mask 要求完成一組高增益天線陣列

(a)34GHz

46

(b)355GHz

(c)37GHz

圖 3-25天線陣列輻射場型與 ETSI-mask 比較

圖 3-26 為天線陣列模擬與量測的反射損耗其工作頻率與設計之天線相去

不遠均包含 34GHz~37GHz頻寬設計較大的原因在於避免外在因素造成的頻

飄量測出來可達 33GHz~39GHz略往高頻飄不過與設計的反射損耗相當接

近圖 3-27 為實際量測的增益對頻率的變化圖其增益的全頻段都能大於

14dBiE-plane 與 H-plane 也較為接近整理數據如表 3-6

47

圖 3-26天線陣列反射損耗模擬與量測比較

圖 3-27天線陣列增益對頻率圖

48

頻率(GHz) 33 34 35 36 37 38

E-plane 增益

(dBi) 1485 1591 1620 1687 1627 1507

H-plane 增益

(dBi) 1421 1565 1598 1629 1607 1518

表 3-6天線陣列增益對頻率表

49

圖 3-28 為實體圖俯視圖側視圖與 EBG 實際大小比較

(a) 俯視圖

(b) 側視圖(空氣高度=05mm)

(c)EBG 實體結構

圖 3-28天線陣列實體圖

50

第四章 結論

(Conclusion)

本論文主要是研究適用於基地台的 WiMAX 頻段高增益天線陣列並控制其

頻寬增益及輻射場型能夠符合 ETSI(European Telecommunication Standards

Institute)的規範在論文第二章中提出的高增益天線陣列是利用一個能量分歧

器把能量等效分成三份的饋入網路接上三組一樣的三元素陣列矩形微帶天線所

組成的天線陣列最高增益可達到 17dBi工作頻率的增益都能超過要求的

14dBi輻射場型符合 ETSI-TS2 規範另外本論文所提出的天線陣列為印刷式

天線不但具有輕量化的特性且大幅降低製作上的困難度也減輕了成本的負擔

透過本論文所設計之 EBG 可有效降低傳統 EBG 結構的製程僅以 FR4 板

材即可自行實作比較無須鉚釘並提出有效提升微帶天線增益的包圍方式在

有限的接地面下可選擇適當的晶胞數來改善天線陣列的輻射場型抑制表面波

對天線的干擾讓邊際效應產生的感應磁流干擾降到最低最後在實作及量測部

分驗證我們模擬的結果

51

參考文獻

[1] W L Stutzman and G A Thiele Antenna Theory and Design 2nd ed New York

Wiley 1998

[2] A Balanis Antenna Theory Analysis and Design New York Wiley 1997

[3] R Gardelli G La Cono and M Albani ldquoA low-cost suspended patch antenna for

WLAN access points and point-to-point linksrdquo IEEE Antennas and Propagat vol

3 no 1 pp 90-93 2004

[4] H F Pues and A R Van de capelle ldquoAn impedance-matching technique for

increasing the bandwidth of microstrip antennasrdquo IEEE Trans on Antennas and

Propagat vol 37 no 11 pp 1345-1354 Nov 1989

[5] Q Song and XndashX Zhang ldquoA study on wideband gap-coupled microstrip antenna

arraysrdquo IEEE Trans On Antennas and Propagat vol 43 no 3 pp 313-317 Mar

1995

[6] D Sievenpiper L Z Romulo F J Broas N G Alexopolous and E Yablonovitch

ldquoHigh-impedance electromagnetic surfaces with a forbidden frequency bandrdquo

IEEE Trans Microwave Theory Tech vol 47 no 11 pp 311-335 Nov 1999

[7] F-R Yang K-P Ma Y Qian and T Itoh ldquo A Uniplanar Compact

Photonic-Bandgap (UC-PBG) Structure and Its Applications for Microwave

Circuitsrdquo IEEE Trans MTT vol 47 Aug 1999

[8] M F Abedin M Z Azad and M Ali ldquo wideband smaller unit-cell planar EBG

structures and their applicationrdquo IEEE Trans On Antenna and Propagat vol 56

no 3 pp 903-908 Mar 2008

[9] I J Bahl and P Bhartia Microstrip Antennas Artech House 1980

[10] JR James and P S Hall Handbook of Microstrip Antennas LondonPeter

Peregrinus Ltd 1989

52

[11] K C Gupta R Garg I J Bahl P Bhartia Microstrip Lines and Slotlines 2nd ed

Norwood MAArtech House 1996

[12] T Namiki Y Murayama and K Ito ldquo Improving radiation-pattern distortion of a

patch antenna having a finite ground planerdquo IEEE Trans On Antenna and

Propagat vol 51 no 3 pp 478-482 Mar 2003

[13] R Coccioli F-R Yang K-P Ma and T Itoh ldquo Aperture-coupled patch antenna

on UC-PBG substraterdquo IEEE Trans Microwave Theory Tech vol 47 no 11 pp

2123-2130 Nov 1999

[14] F Yang and Y Rahmat-samii ldquo Microstrip antenna integrated with

electromagnetic band-gap (EBG) structure a low mutual coupling design for array

applicationrdquo IEEE Trans On Antenna and Propagat vol 51 no 10 pp

2936-2946 Oct2003

[15] Z Iluz R Shavit and R Bauer ldquo Microstrip antenna phased array with

electromagnetic bandgap substraterdquo IEEE Trans On Antenna and Propagat vol

52 no 6 pp 1446-1453 June 2004

  • 封面pdf
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  • 論文_終稿_pdf
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 DEU 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 ESP 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 FRA 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 ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR ltFEFF004200720075006b00200064006900730073006500200069006e006e007300740069006c006c0069006e00670065006e0065002000740069006c002000e50020006f0070007000720065007400740065002000410064006f006200650020005000440046002d0064006f006b0075006d0065006e00740065007200200066006f00720020007500740073006b00720069006600740020006100760020006800f800790020006b00760061006c00690074006500740020007000e500200062006f007200640073006b0072006900760065007200200065006c006c00650072002000700072006f006f006600650072002e0020005000440046002d0064006f006b0075006d0065006e00740065006e00650020006b0061006e002000e50070006e00650073002000690020004100630072006f00620061007400200065006c006c00650072002000410064006f00620065002000520065006100640065007200200035002e003000200065006c006c00650072002000730065006e006500720065002egt PTB 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 SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP 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 FRA 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 ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO ltFEFF004b00e40079007400e40020006e00e40069007400e4002000610073006500740075006b007300690061002c0020006b0075006e0020006c0075006f0074002000410064006f0062006500200050004400460020002d0064006f006b0075006d0065006e007400740065006a00610020006c0061006100640075006b006100730074006100200074007900f6007000f60079007400e400740075006c006f0073007400750073007400610020006a00610020007600650064006f007300740075007300740061002000760061007200740065006e002e00200020004c0075006f0064007500740020005000440046002d0064006f006b0075006d0065006e00740069007400200076006f0069006400610061006e0020006100760061007400610020004100630072006f0062006100740069006c006c00610020006a0061002000410064006f00620065002000520065006100640065007200200035002e0030003a006c006c00610020006a006100200075007500640065006d006d0069006c006c0061002egt SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 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UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

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false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK 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 ESP 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 FRA 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ITA 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 JPN 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 KOR 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

27

圖 3-6微帶線加上 4mm2EBG 結構之晶胞大小與 S 參數比較

從圖 3-6 可以得知從 10GHz 到 12GHz 有一較深之截止帶14GHz 之後也有

截止頻帶只是實驗目標以低頻為主故只模擬到 15GHz繼續改變晶胞大小

來設計低頻截止帶

a b

g

gs

h

(a)單位晶胞大小

a = 6 mm b = 57 mm s = g = 03 mm h = 28 mm

a

(c)插入損耗

28

圖 3-7微帶線加上 6mm2EBG 結構之晶胞大小與 S 參數比較

讓 EBG 晶胞變大(6mm2)跟預期結果相符可以得到更低頻的截止帶低頻帶

從 7GHz 到 9GHz高頻帶 10GHz 之後仍然存在極深之截止帶

(b)S參數比較圖

a bg

gs

h

(a)單位晶胞大小

a = 8 mm b = 76 mm s = g = 04 mm h = 37 mm

a

29

圖 3-8微帶線加上 8mm2EBG 結構之晶胞大小與 S 參數比較

從圖 3-8 的結果得到更低頻的截止帶座落於 43GHz~58GHz 及

61GHz~7GHz 由 於 論 文 中 所 設 計 的 WiMAX 天 線 陣 列 工 作 頻 率 在

34GHz~37GHz故需再將晶胞大小改變讓系統能夠共振在更低頻處

(b)S參數比較圖

a bg

gs

h

(a)單位晶胞大小

a = 10 mm b = 93 mm s = g = 07 mm h = 42 mm

a

30

圖 3-9微帶線加上 10mm2EBG 結構之晶胞大小與 S 參數比較

將週期性電磁帶隙結構結合微帶線可以設計出需要的截止帶圖 3-9 主要

的截止帶在 325GHz~4GHz 及 465GHz~58GHz已經達到需求的頻帶範圍下

個目標將結合微帶天線做改善與比較

(b)S參數比較圖

31

32 電磁帶隙結構包圍方式之探討

321 有限接地面的探討

由於設計的微帶天線主要是在邊射(Broad-side)方向輻射所以需要選擇一個

適當的接地面大小讓輻射場型得到一個最佳值理論上來說無限大的接地面

可以得到最平滑(Smooth)的輻射場型只在單邊輻射不會受到地面干擾實際

上在有限的空間必須選擇一個適當大小的接地面以符合成本與面積要求

而有限的接地面卻容易造成邊緣效應干擾[12]表面波在接地面邊緣產生繞射場

(Diffracted fields)形成新的波源以陣列因子的觀點來看多了新的波源會造

成輻射場型加乘上的消長如圖 3-10微帶貼片天線主要是以前後兩側差半波

長之邊輻射而有限接地面則會在邊緣產生感應磁流(Induced equivalent

magnetic current)如圖 3-11從電場的指向可以推得磁流的方向對照輻射

場型容易在邊射方向造成波紋(Ripple)

圖 3-10有限接地面產生之輻射場型比較圖

L

32

圖 3-11介質中電場指向之強弱分布與感應磁流方向

由於接地面的大小在 E-plane 會產生波紋來干擾輻射場型所以論文中以

EBG 週期性結構來做為一個完美磁導體(Perfect Magnetic ConductorPMC)也

就是人工 PMC(Artificial PMC)抑制邊緣電場的垂直入射減弱感應磁流的效

應以改善天線輻射場型

322 天線周圍包覆 PMC

傳統上 EBG 以圍滿的方式來改善微帶天線之增益與輻射[13]並透過晶胞

數的不斷增加來提高增益及改善輻射場型但晶胞數的增加將提高成本加大

EBG 面積及天線整體體積高達一定數量時反而會降低天線性能對於微帶貼

片天線而言EBG 在接地面太靠近天線輻射邊反而影響其輻射機制造成頻率

飄移因此論文中將探討 EBG 的包圍方式對天線性能之影響以有最佳效果

已知高阻抗表面可以阻擋介質中表面波的傳遞因此先透過理想 PMC 來代

替所設計之高阻抗表面 EBG 結構以分析其特性找出提升天性能的最佳包圍

33

方式

首先把天線周圍包覆 PMC 如圖 3-12以逼近的方式慢慢擴大 PMC 的面積

一圈 PMC 的寬度與設計的晶胞大小邊長一樣從輻射場型來看使用到第二圈

時可以得到最佳的輻射效能如圖 3-13PMC 包圍有其最佳範圍取得有效的包

圍方式可以讓天線輻射最佳化

圖 3-12天線周圍包覆 PMC

34

圖 3-13天線周圍包覆 PMC 之輻射場型比較

參考天線 一圈 PMC 二圈 PMC 三圈 PMC

0 度增益 357dBi 432dBi 545dBi 478dBi

增益改善 075dB 188dB 121dB

表 3-1天線周圍包覆 PMC 之增益改善比較

35

323 輻射邊兩側包覆 PMC

由於微帶天線之表面波傳遞方向以 xz 切面為主如圖 3-14因此在微帶天線

輻射邊的兩側擺放 EBG 結構以抑制其傳遞有效改善天線輻射場型首先使

用理想的 PMC 在天線輻射邊兩側包覆如圖 3-15對於 PMC 覆蓋面積的大小作一

探討變化 PMC 之覆蓋面積了解其對天線輻射場型的影響在邊射(broadside)

方向的輻射場型可以有效改善波紋讓旁波瓣(sidelobe)大幅度降低如圖 3-16

所示以兩列 PMC 可以達到較佳效果再增加一列 PMC 雖些許增加增益不

過 PMC 覆蓋的面積已達飽和因此從上述可知在結合 EBG 和微帶天線時

將有一最佳之覆蓋面積使用最適當之晶胞數來達到最佳的增益改善

圖 3-14表面波在介質空間中分布

36

圖 3-15輻射邊兩側包覆 PMC

圖 3-16輻射邊兩側包覆 PMC 之輻射場型比較

37

參考天線 一列 PMC 二列 PMC 三列 PMC

0 度增益 357dBi 528dBi 642dBi 644dBi

增益改善 171dB 285dB 287dB

表 3-2輻射邊兩側包覆 PMC 之增益改善比較

33 電磁帶隙結構結合單一微帶天線

以下將結合所設計之 EBG 結構和微帶天線以改善微帶天線之輻射場型干

擾從前述的探討先以圍繞式包圍天線做輻射場型比較如圖 3-17 所示

圖 3-17天線周圍包覆 EBG 之輻射場型比較

38

0 度增益

Ref patch antenna 357dBi

圍繞 EBG 572dBi

ΔGain 215dB

表 3-3天線周圍包覆 EBG 之增益改善比較

由於表面波之傳遞主要為 X 軸方向因此以 EBG 之較寬頻的維度來抑制 X

方向的表面波其結合方式如下以兩列 EBG 結構與天線結合比較如圖 3-18

圖 3-18輻射邊兩側包覆 EBG 之輻射場型比較

39

0 度增益

Ref patch antenna 357dBi

輻射邊包覆 EBG 577dBi

ΔGain 22dB

表 3-4輻射邊兩側包覆 EBG 之增益改善比較

兩種包覆 EBG 的情形做比較使用輻射邊兩側包覆 EBG 對表面波抑制可以

達到最直接的效果再對接地面做變化令輻射邊到接地面邊緣距離等於 15 倍

空氣中波長邊緣的等效感應磁流干擾最大在垂射(broadside)方向造成 30 度到

60 度的旁波瓣將晶胞數加到三列使得輻射場型能有最佳效果如圖 3-19 所示

圖 3-19較大接地面應用更多晶胞數改善輻射場型圖

40

34 電磁帶隙結構結合微帶天線陣列

第二章敘述之高增益天線陣列由於在 E-plane 產生較大之旁波瓣因此論

文將結合 EBG 結構與天線陣列改善輻射場型以符合 ETSI-TS2 規範要求

對原本的天線陣列與改善後的天線陣列作一比較如圖 3-20 為天線結構示意圖

俯視圖 yz 切面為表面波影響較大的面因此我們在 E-plane 兩側包覆 EBG使

用三列的 EBG 週期結構另外圖 3-21 為(a)34GHz(b)355GHz(c)37GHz

輻射場型在 E-plane 的改善比較可以發現在(a)跟(b)改善的效果特別明顯旁波

瓣減弱許多而(c)原本旁波瓣就不大所以改善較不明顯再跟 ETSI-mask 做

比較如圖 3-22改善後的天線陣列距離輻射場型標準線有較大之安全距離對實

作上的誤差影響會比較小以下針對輻射場型做一比較

圖 3-20原始天線陣列與應用 EBG 之天線陣列

41

(a)34GHz E-plane 輻射場型比較

(b)355GHz E-plane 輻射場型比較

(c)37GHz E-plane 輻射場型比較

圖 3-21原始天線陣列與應用 EBG 之天線陣列輻射場型比較

(a)34GHz (b)355GHz (c)37GHz

42

(a)34GHz E-plane

(b)355GHz E-plane

(a)37GHz E-plane

圖 3-22原始天線陣列與應用 EBG 之天線陣列與 ETSI-mask 比較

(a)34GHz (b)355GHz (c)37GHz

43

35 模擬與量測結果比較

由上述模擬的結果進行實作及量測的工作如圖 3-23 為微帶天線結合 EBG

結構的架構表 3-5 列出了板材的規格使用的基板是 FR4 玻璃纖維基板並架高

空氣高度為 5mm

Dielectric constant(topbottom) 44 44

Substrate thickness(topbottom) 08mm 16mm

Loss tangent 002

Air gap 5mm

Upper substrate size 250mm x 200mm

Ground size 300mm x 250mm

表 3-5天線陣列設計參數

圖 3-23應用 EBG 之天線陣列結構圖

44

圖 3-24 為天線陣列在 34GHz355GHz37GHz 的輻射場型從圖中可以

觀察模擬與量測場型蠻相近的

(a)34GHz

(b)355GHz

45

(c)37GHz

圖 3-24天線陣列輻射場型模擬與量測比較

對於其輻射場型的分布需求要符合 ETSI-TS2 的規範以下針對輻射場型與

ETSI-mask 做一比較如圖 3-25 所示從圖中發現實作及量測輻射場型全部

工作頻段都能滿足 mask 要求完成一組高增益天線陣列

(a)34GHz

46

(b)355GHz

(c)37GHz

圖 3-25天線陣列輻射場型與 ETSI-mask 比較

圖 3-26 為天線陣列模擬與量測的反射損耗其工作頻率與設計之天線相去

不遠均包含 34GHz~37GHz頻寬設計較大的原因在於避免外在因素造成的頻

飄量測出來可達 33GHz~39GHz略往高頻飄不過與設計的反射損耗相當接

近圖 3-27 為實際量測的增益對頻率的變化圖其增益的全頻段都能大於

14dBiE-plane 與 H-plane 也較為接近整理數據如表 3-6

47

圖 3-26天線陣列反射損耗模擬與量測比較

圖 3-27天線陣列增益對頻率圖

48

頻率(GHz) 33 34 35 36 37 38

E-plane 增益

(dBi) 1485 1591 1620 1687 1627 1507

H-plane 增益

(dBi) 1421 1565 1598 1629 1607 1518

表 3-6天線陣列增益對頻率表

49

圖 3-28 為實體圖俯視圖側視圖與 EBG 實際大小比較

(a) 俯視圖

(b) 側視圖(空氣高度=05mm)

(c)EBG 實體結構

圖 3-28天線陣列實體圖

50

第四章 結論

(Conclusion)

本論文主要是研究適用於基地台的 WiMAX 頻段高增益天線陣列並控制其

頻寬增益及輻射場型能夠符合 ETSI(European Telecommunication Standards

Institute)的規範在論文第二章中提出的高增益天線陣列是利用一個能量分歧

器把能量等效分成三份的饋入網路接上三組一樣的三元素陣列矩形微帶天線所

組成的天線陣列最高增益可達到 17dBi工作頻率的增益都能超過要求的

14dBi輻射場型符合 ETSI-TS2 規範另外本論文所提出的天線陣列為印刷式

天線不但具有輕量化的特性且大幅降低製作上的困難度也減輕了成本的負擔

透過本論文所設計之 EBG 可有效降低傳統 EBG 結構的製程僅以 FR4 板

材即可自行實作比較無須鉚釘並提出有效提升微帶天線增益的包圍方式在

有限的接地面下可選擇適當的晶胞數來改善天線陣列的輻射場型抑制表面波

對天線的干擾讓邊際效應產生的感應磁流干擾降到最低最後在實作及量測部

分驗證我們模擬的結果

51

參考文獻

[1] W L Stutzman and G A Thiele Antenna Theory and Design 2nd ed New York

Wiley 1998

[2] A Balanis Antenna Theory Analysis and Design New York Wiley 1997

[3] R Gardelli G La Cono and M Albani ldquoA low-cost suspended patch antenna for

WLAN access points and point-to-point linksrdquo IEEE Antennas and Propagat vol

3 no 1 pp 90-93 2004

[4] H F Pues and A R Van de capelle ldquoAn impedance-matching technique for

increasing the bandwidth of microstrip antennasrdquo IEEE Trans on Antennas and

Propagat vol 37 no 11 pp 1345-1354 Nov 1989

[5] Q Song and XndashX Zhang ldquoA study on wideband gap-coupled microstrip antenna

arraysrdquo IEEE Trans On Antennas and Propagat vol 43 no 3 pp 313-317 Mar

1995

[6] D Sievenpiper L Z Romulo F J Broas N G Alexopolous and E Yablonovitch

ldquoHigh-impedance electromagnetic surfaces with a forbidden frequency bandrdquo

IEEE Trans Microwave Theory Tech vol 47 no 11 pp 311-335 Nov 1999

[7] F-R Yang K-P Ma Y Qian and T Itoh ldquo A Uniplanar Compact

Photonic-Bandgap (UC-PBG) Structure and Its Applications for Microwave

Circuitsrdquo IEEE Trans MTT vol 47 Aug 1999

[8] M F Abedin M Z Azad and M Ali ldquo wideband smaller unit-cell planar EBG

structures and their applicationrdquo IEEE Trans On Antenna and Propagat vol 56

no 3 pp 903-908 Mar 2008

[9] I J Bahl and P Bhartia Microstrip Antennas Artech House 1980

[10] JR James and P S Hall Handbook of Microstrip Antennas LondonPeter

Peregrinus Ltd 1989

52

[11] K C Gupta R Garg I J Bahl P Bhartia Microstrip Lines and Slotlines 2nd ed

Norwood MAArtech House 1996

[12] T Namiki Y Murayama and K Ito ldquo Improving radiation-pattern distortion of a

patch antenna having a finite ground planerdquo IEEE Trans On Antenna and

Propagat vol 51 no 3 pp 478-482 Mar 2003

[13] R Coccioli F-R Yang K-P Ma and T Itoh ldquo Aperture-coupled patch antenna

on UC-PBG substraterdquo IEEE Trans Microwave Theory Tech vol 47 no 11 pp

2123-2130 Nov 1999

[14] F Yang and Y Rahmat-samii ldquo Microstrip antenna integrated with

electromagnetic band-gap (EBG) structure a low mutual coupling design for array

applicationrdquo IEEE Trans On Antenna and Propagat vol 51 no 10 pp

2936-2946 Oct2003

[15] Z Iluz R Shavit and R Bauer ldquo Microstrip antenna phased array with

electromagnetic bandgap substraterdquo IEEE Trans On Antenna and Propagat vol

52 no 6 pp 1446-1453 June 2004

  • 封面pdf
  • 摘要與目錄pdf
  • 論文_終稿_pdf
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 DEU 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ITA ltFEFF005500740069006c0069007a007a006100720065002000710075006500730074006500200069006d0070006f007300740061007a0069006f006e00690020007000650072002000630072006500610072006500200064006f00630075006d0065006e00740069002000410064006f006200650020005000440046002000700065007200200075006e00610020007300740061006d007000610020006400690020007100750061006c0069007400e00020007300750020007300740061006d00700061006e0074006900200065002000700072006f006f0066006500720020006400650073006b0074006f0070002e0020004900200064006f00630075006d0065006e007400690020005000440046002000630072006500610074006900200070006f00730073006f006e006f0020006500730073006500720065002000610070006500720074006900200063006f006e0020004100630072006f00620061007400200065002000410064006f00620065002000520065006100640065007200200035002e003000200065002000760065007200730069006f006e006900200073007500630063006500730073006900760065002egt JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP 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 FRA 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 ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 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ESP 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

28

圖 3-7微帶線加上 6mm2EBG 結構之晶胞大小與 S 參數比較

讓 EBG 晶胞變大(6mm2)跟預期結果相符可以得到更低頻的截止帶低頻帶

從 7GHz 到 9GHz高頻帶 10GHz 之後仍然存在極深之截止帶

(b)S參數比較圖

a bg

gs

h

(a)單位晶胞大小

a = 8 mm b = 76 mm s = g = 04 mm h = 37 mm

a

29

圖 3-8微帶線加上 8mm2EBG 結構之晶胞大小與 S 參數比較

從圖 3-8 的結果得到更低頻的截止帶座落於 43GHz~58GHz 及

61GHz~7GHz 由 於 論 文 中 所 設 計 的 WiMAX 天 線 陣 列 工 作 頻 率 在

34GHz~37GHz故需再將晶胞大小改變讓系統能夠共振在更低頻處

(b)S參數比較圖

a bg

gs

h

(a)單位晶胞大小

a = 10 mm b = 93 mm s = g = 07 mm h = 42 mm

a

30

圖 3-9微帶線加上 10mm2EBG 結構之晶胞大小與 S 參數比較

將週期性電磁帶隙結構結合微帶線可以設計出需要的截止帶圖 3-9 主要

的截止帶在 325GHz~4GHz 及 465GHz~58GHz已經達到需求的頻帶範圍下

個目標將結合微帶天線做改善與比較

(b)S參數比較圖

31

32 電磁帶隙結構包圍方式之探討

321 有限接地面的探討

由於設計的微帶天線主要是在邊射(Broad-side)方向輻射所以需要選擇一個

適當的接地面大小讓輻射場型得到一個最佳值理論上來說無限大的接地面

可以得到最平滑(Smooth)的輻射場型只在單邊輻射不會受到地面干擾實際

上在有限的空間必須選擇一個適當大小的接地面以符合成本與面積要求

而有限的接地面卻容易造成邊緣效應干擾[12]表面波在接地面邊緣產生繞射場

(Diffracted fields)形成新的波源以陣列因子的觀點來看多了新的波源會造

成輻射場型加乘上的消長如圖 3-10微帶貼片天線主要是以前後兩側差半波

長之邊輻射而有限接地面則會在邊緣產生感應磁流(Induced equivalent

magnetic current)如圖 3-11從電場的指向可以推得磁流的方向對照輻射

場型容易在邊射方向造成波紋(Ripple)

圖 3-10有限接地面產生之輻射場型比較圖

L

32

圖 3-11介質中電場指向之強弱分布與感應磁流方向

由於接地面的大小在 E-plane 會產生波紋來干擾輻射場型所以論文中以

EBG 週期性結構來做為一個完美磁導體(Perfect Magnetic ConductorPMC)也

就是人工 PMC(Artificial PMC)抑制邊緣電場的垂直入射減弱感應磁流的效

應以改善天線輻射場型

322 天線周圍包覆 PMC

傳統上 EBG 以圍滿的方式來改善微帶天線之增益與輻射[13]並透過晶胞

數的不斷增加來提高增益及改善輻射場型但晶胞數的增加將提高成本加大

EBG 面積及天線整體體積高達一定數量時反而會降低天線性能對於微帶貼

片天線而言EBG 在接地面太靠近天線輻射邊反而影響其輻射機制造成頻率

飄移因此論文中將探討 EBG 的包圍方式對天線性能之影響以有最佳效果

已知高阻抗表面可以阻擋介質中表面波的傳遞因此先透過理想 PMC 來代

替所設計之高阻抗表面 EBG 結構以分析其特性找出提升天性能的最佳包圍

33

方式

首先把天線周圍包覆 PMC 如圖 3-12以逼近的方式慢慢擴大 PMC 的面積

一圈 PMC 的寬度與設計的晶胞大小邊長一樣從輻射場型來看使用到第二圈

時可以得到最佳的輻射效能如圖 3-13PMC 包圍有其最佳範圍取得有效的包

圍方式可以讓天線輻射最佳化

圖 3-12天線周圍包覆 PMC

34

圖 3-13天線周圍包覆 PMC 之輻射場型比較

參考天線 一圈 PMC 二圈 PMC 三圈 PMC

0 度增益 357dBi 432dBi 545dBi 478dBi

增益改善 075dB 188dB 121dB

表 3-1天線周圍包覆 PMC 之增益改善比較

35

323 輻射邊兩側包覆 PMC

由於微帶天線之表面波傳遞方向以 xz 切面為主如圖 3-14因此在微帶天線

輻射邊的兩側擺放 EBG 結構以抑制其傳遞有效改善天線輻射場型首先使

用理想的 PMC 在天線輻射邊兩側包覆如圖 3-15對於 PMC 覆蓋面積的大小作一

探討變化 PMC 之覆蓋面積了解其對天線輻射場型的影響在邊射(broadside)

方向的輻射場型可以有效改善波紋讓旁波瓣(sidelobe)大幅度降低如圖 3-16

所示以兩列 PMC 可以達到較佳效果再增加一列 PMC 雖些許增加增益不

過 PMC 覆蓋的面積已達飽和因此從上述可知在結合 EBG 和微帶天線時

將有一最佳之覆蓋面積使用最適當之晶胞數來達到最佳的增益改善

圖 3-14表面波在介質空間中分布

36

圖 3-15輻射邊兩側包覆 PMC

圖 3-16輻射邊兩側包覆 PMC 之輻射場型比較

37

參考天線 一列 PMC 二列 PMC 三列 PMC

0 度增益 357dBi 528dBi 642dBi 644dBi

增益改善 171dB 285dB 287dB

表 3-2輻射邊兩側包覆 PMC 之增益改善比較

33 電磁帶隙結構結合單一微帶天線

以下將結合所設計之 EBG 結構和微帶天線以改善微帶天線之輻射場型干

擾從前述的探討先以圍繞式包圍天線做輻射場型比較如圖 3-17 所示

圖 3-17天線周圍包覆 EBG 之輻射場型比較

38

0 度增益

Ref patch antenna 357dBi

圍繞 EBG 572dBi

ΔGain 215dB

表 3-3天線周圍包覆 EBG 之增益改善比較

由於表面波之傳遞主要為 X 軸方向因此以 EBG 之較寬頻的維度來抑制 X

方向的表面波其結合方式如下以兩列 EBG 結構與天線結合比較如圖 3-18

圖 3-18輻射邊兩側包覆 EBG 之輻射場型比較

39

0 度增益

Ref patch antenna 357dBi

輻射邊包覆 EBG 577dBi

ΔGain 22dB

表 3-4輻射邊兩側包覆 EBG 之增益改善比較

兩種包覆 EBG 的情形做比較使用輻射邊兩側包覆 EBG 對表面波抑制可以

達到最直接的效果再對接地面做變化令輻射邊到接地面邊緣距離等於 15 倍

空氣中波長邊緣的等效感應磁流干擾最大在垂射(broadside)方向造成 30 度到

60 度的旁波瓣將晶胞數加到三列使得輻射場型能有最佳效果如圖 3-19 所示

圖 3-19較大接地面應用更多晶胞數改善輻射場型圖

40

34 電磁帶隙結構結合微帶天線陣列

第二章敘述之高增益天線陣列由於在 E-plane 產生較大之旁波瓣因此論

文將結合 EBG 結構與天線陣列改善輻射場型以符合 ETSI-TS2 規範要求

對原本的天線陣列與改善後的天線陣列作一比較如圖 3-20 為天線結構示意圖

俯視圖 yz 切面為表面波影響較大的面因此我們在 E-plane 兩側包覆 EBG使

用三列的 EBG 週期結構另外圖 3-21 為(a)34GHz(b)355GHz(c)37GHz

輻射場型在 E-plane 的改善比較可以發現在(a)跟(b)改善的效果特別明顯旁波

瓣減弱許多而(c)原本旁波瓣就不大所以改善較不明顯再跟 ETSI-mask 做

比較如圖 3-22改善後的天線陣列距離輻射場型標準線有較大之安全距離對實

作上的誤差影響會比較小以下針對輻射場型做一比較

圖 3-20原始天線陣列與應用 EBG 之天線陣列

41

(a)34GHz E-plane 輻射場型比較

(b)355GHz E-plane 輻射場型比較

(c)37GHz E-plane 輻射場型比較

圖 3-21原始天線陣列與應用 EBG 之天線陣列輻射場型比較

(a)34GHz (b)355GHz (c)37GHz

42

(a)34GHz E-plane

(b)355GHz E-plane

(a)37GHz E-plane

圖 3-22原始天線陣列與應用 EBG 之天線陣列與 ETSI-mask 比較

(a)34GHz (b)355GHz (c)37GHz

43

35 模擬與量測結果比較

由上述模擬的結果進行實作及量測的工作如圖 3-23 為微帶天線結合 EBG

結構的架構表 3-5 列出了板材的規格使用的基板是 FR4 玻璃纖維基板並架高

空氣高度為 5mm

Dielectric constant(topbottom) 44 44

Substrate thickness(topbottom) 08mm 16mm

Loss tangent 002

Air gap 5mm

Upper substrate size 250mm x 200mm

Ground size 300mm x 250mm

表 3-5天線陣列設計參數

圖 3-23應用 EBG 之天線陣列結構圖

44

圖 3-24 為天線陣列在 34GHz355GHz37GHz 的輻射場型從圖中可以

觀察模擬與量測場型蠻相近的

(a)34GHz

(b)355GHz

45

(c)37GHz

圖 3-24天線陣列輻射場型模擬與量測比較

對於其輻射場型的分布需求要符合 ETSI-TS2 的規範以下針對輻射場型與

ETSI-mask 做一比較如圖 3-25 所示從圖中發現實作及量測輻射場型全部

工作頻段都能滿足 mask 要求完成一組高增益天線陣列

(a)34GHz

46

(b)355GHz

(c)37GHz

圖 3-25天線陣列輻射場型與 ETSI-mask 比較

圖 3-26 為天線陣列模擬與量測的反射損耗其工作頻率與設計之天線相去

不遠均包含 34GHz~37GHz頻寬設計較大的原因在於避免外在因素造成的頻

飄量測出來可達 33GHz~39GHz略往高頻飄不過與設計的反射損耗相當接

近圖 3-27 為實際量測的增益對頻率的變化圖其增益的全頻段都能大於

14dBiE-plane 與 H-plane 也較為接近整理數據如表 3-6

47

圖 3-26天線陣列反射損耗模擬與量測比較

圖 3-27天線陣列增益對頻率圖

48

頻率(GHz) 33 34 35 36 37 38

E-plane 增益

(dBi) 1485 1591 1620 1687 1627 1507

H-plane 增益

(dBi) 1421 1565 1598 1629 1607 1518

表 3-6天線陣列增益對頻率表

49

圖 3-28 為實體圖俯視圖側視圖與 EBG 實際大小比較

(a) 俯視圖

(b) 側視圖(空氣高度=05mm)

(c)EBG 實體結構

圖 3-28天線陣列實體圖

50

第四章 結論

(Conclusion)

本論文主要是研究適用於基地台的 WiMAX 頻段高增益天線陣列並控制其

頻寬增益及輻射場型能夠符合 ETSI(European Telecommunication Standards

Institute)的規範在論文第二章中提出的高增益天線陣列是利用一個能量分歧

器把能量等效分成三份的饋入網路接上三組一樣的三元素陣列矩形微帶天線所

組成的天線陣列最高增益可達到 17dBi工作頻率的增益都能超過要求的

14dBi輻射場型符合 ETSI-TS2 規範另外本論文所提出的天線陣列為印刷式

天線不但具有輕量化的特性且大幅降低製作上的困難度也減輕了成本的負擔

透過本論文所設計之 EBG 可有效降低傳統 EBG 結構的製程僅以 FR4 板

材即可自行實作比較無須鉚釘並提出有效提升微帶天線增益的包圍方式在

有限的接地面下可選擇適當的晶胞數來改善天線陣列的輻射場型抑制表面波

對天線的干擾讓邊際效應產生的感應磁流干擾降到最低最後在實作及量測部

分驗證我們模擬的結果

51

參考文獻

[1] W L Stutzman and G A Thiele Antenna Theory and Design 2nd ed New York

Wiley 1998

[2] A Balanis Antenna Theory Analysis and Design New York Wiley 1997

[3] R Gardelli G La Cono and M Albani ldquoA low-cost suspended patch antenna for

WLAN access points and point-to-point linksrdquo IEEE Antennas and Propagat vol

3 no 1 pp 90-93 2004

[4] H F Pues and A R Van de capelle ldquoAn impedance-matching technique for

increasing the bandwidth of microstrip antennasrdquo IEEE Trans on Antennas and

Propagat vol 37 no 11 pp 1345-1354 Nov 1989

[5] Q Song and XndashX Zhang ldquoA study on wideband gap-coupled microstrip antenna

arraysrdquo IEEE Trans On Antennas and Propagat vol 43 no 3 pp 313-317 Mar

1995

[6] D Sievenpiper L Z Romulo F J Broas N G Alexopolous and E Yablonovitch

ldquoHigh-impedance electromagnetic surfaces with a forbidden frequency bandrdquo

IEEE Trans Microwave Theory Tech vol 47 no 11 pp 311-335 Nov 1999

[7] F-R Yang K-P Ma Y Qian and T Itoh ldquo A Uniplanar Compact

Photonic-Bandgap (UC-PBG) Structure and Its Applications for Microwave

Circuitsrdquo IEEE Trans MTT vol 47 Aug 1999

[8] M F Abedin M Z Azad and M Ali ldquo wideband smaller unit-cell planar EBG

structures and their applicationrdquo IEEE Trans On Antenna and Propagat vol 56

no 3 pp 903-908 Mar 2008

[9] I J Bahl and P Bhartia Microstrip Antennas Artech House 1980

[10] JR James and P S Hall Handbook of Microstrip Antennas LondonPeter

Peregrinus Ltd 1989

52

[11] K C Gupta R Garg I J Bahl P Bhartia Microstrip Lines and Slotlines 2nd ed

Norwood MAArtech House 1996

[12] T Namiki Y Murayama and K Ito ldquo Improving radiation-pattern distortion of a

patch antenna having a finite ground planerdquo IEEE Trans On Antenna and

Propagat vol 51 no 3 pp 478-482 Mar 2003

[13] R Coccioli F-R Yang K-P Ma and T Itoh ldquo Aperture-coupled patch antenna

on UC-PBG substraterdquo IEEE Trans Microwave Theory Tech vol 47 no 11 pp

2123-2130 Nov 1999

[14] F Yang and Y Rahmat-samii ldquo Microstrip antenna integrated with

electromagnetic band-gap (EBG) structure a low mutual coupling design for array

applicationrdquo IEEE Trans On Antenna and Propagat vol 51 no 10 pp

2936-2946 Oct2003

[15] Z Iluz R Shavit and R Bauer ldquo Microstrip antenna phased array with

electromagnetic bandgap substraterdquo IEEE Trans On Antenna and Propagat vol

52 no 6 pp 1446-1453 June 2004

  • 封面pdf
  • 摘要與目錄pdf
  • 論文_終稿_pdf
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ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP 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 FRA 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 ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB ltFEFF005500740069006c0069007a006500200065007300730061007300200063006f006e00660069006700750072006100e700f50065007300200064006500200066006f0072006d00610020006100200063007200690061007200200064006f00630075006d0065006e0074006f0073002000410064006f0062006500200050004400460020007000610072006100200069006d0070007200650073007300f5006500730020006400650020007100750061006c0069006400610064006500200065006d00200069006d00700072006500730073006f0072006100730020006400650073006b0074006f00700020006500200064006900730070006f00730069007400690076006f0073002000640065002000700072006f00760061002e0020004f007300200064006f00630075006d0065006e0074006f00730020005000440046002000630072006900610064006f007300200070006f00640065006d0020007300650072002000610062006500720074006f007300200063006f006d0020006f0020004100630072006f006200610074002000650020006f002000410064006f00620065002000520065006100640065007200200035002e0030002000650020007600650072007300f50065007300200070006f00730074006500720069006f007200650073002egt SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP 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 FRA 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 ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

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UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

29

圖 3-8微帶線加上 8mm2EBG 結構之晶胞大小與 S 參數比較

從圖 3-8 的結果得到更低頻的截止帶座落於 43GHz~58GHz 及

61GHz~7GHz 由 於 論 文 中 所 設 計 的 WiMAX 天 線 陣 列 工 作 頻 率 在

34GHz~37GHz故需再將晶胞大小改變讓系統能夠共振在更低頻處

(b)S參數比較圖

a bg

gs

h

(a)單位晶胞大小

a = 10 mm b = 93 mm s = g = 07 mm h = 42 mm

a

30

圖 3-9微帶線加上 10mm2EBG 結構之晶胞大小與 S 參數比較

將週期性電磁帶隙結構結合微帶線可以設計出需要的截止帶圖 3-9 主要

的截止帶在 325GHz~4GHz 及 465GHz~58GHz已經達到需求的頻帶範圍下

個目標將結合微帶天線做改善與比較

(b)S參數比較圖

31

32 電磁帶隙結構包圍方式之探討

321 有限接地面的探討

由於設計的微帶天線主要是在邊射(Broad-side)方向輻射所以需要選擇一個

適當的接地面大小讓輻射場型得到一個最佳值理論上來說無限大的接地面

可以得到最平滑(Smooth)的輻射場型只在單邊輻射不會受到地面干擾實際

上在有限的空間必須選擇一個適當大小的接地面以符合成本與面積要求

而有限的接地面卻容易造成邊緣效應干擾[12]表面波在接地面邊緣產生繞射場

(Diffracted fields)形成新的波源以陣列因子的觀點來看多了新的波源會造

成輻射場型加乘上的消長如圖 3-10微帶貼片天線主要是以前後兩側差半波

長之邊輻射而有限接地面則會在邊緣產生感應磁流(Induced equivalent

magnetic current)如圖 3-11從電場的指向可以推得磁流的方向對照輻射

場型容易在邊射方向造成波紋(Ripple)

圖 3-10有限接地面產生之輻射場型比較圖

L

32

圖 3-11介質中電場指向之強弱分布與感應磁流方向

由於接地面的大小在 E-plane 會產生波紋來干擾輻射場型所以論文中以

EBG 週期性結構來做為一個完美磁導體(Perfect Magnetic ConductorPMC)也

就是人工 PMC(Artificial PMC)抑制邊緣電場的垂直入射減弱感應磁流的效

應以改善天線輻射場型

322 天線周圍包覆 PMC

傳統上 EBG 以圍滿的方式來改善微帶天線之增益與輻射[13]並透過晶胞

數的不斷增加來提高增益及改善輻射場型但晶胞數的增加將提高成本加大

EBG 面積及天線整體體積高達一定數量時反而會降低天線性能對於微帶貼

片天線而言EBG 在接地面太靠近天線輻射邊反而影響其輻射機制造成頻率

飄移因此論文中將探討 EBG 的包圍方式對天線性能之影響以有最佳效果

已知高阻抗表面可以阻擋介質中表面波的傳遞因此先透過理想 PMC 來代

替所設計之高阻抗表面 EBG 結構以分析其特性找出提升天性能的最佳包圍

33

方式

首先把天線周圍包覆 PMC 如圖 3-12以逼近的方式慢慢擴大 PMC 的面積

一圈 PMC 的寬度與設計的晶胞大小邊長一樣從輻射場型來看使用到第二圈

時可以得到最佳的輻射效能如圖 3-13PMC 包圍有其最佳範圍取得有效的包

圍方式可以讓天線輻射最佳化

圖 3-12天線周圍包覆 PMC

34

圖 3-13天線周圍包覆 PMC 之輻射場型比較

參考天線 一圈 PMC 二圈 PMC 三圈 PMC

0 度增益 357dBi 432dBi 545dBi 478dBi

增益改善 075dB 188dB 121dB

表 3-1天線周圍包覆 PMC 之增益改善比較

35

323 輻射邊兩側包覆 PMC

由於微帶天線之表面波傳遞方向以 xz 切面為主如圖 3-14因此在微帶天線

輻射邊的兩側擺放 EBG 結構以抑制其傳遞有效改善天線輻射場型首先使

用理想的 PMC 在天線輻射邊兩側包覆如圖 3-15對於 PMC 覆蓋面積的大小作一

探討變化 PMC 之覆蓋面積了解其對天線輻射場型的影響在邊射(broadside)

方向的輻射場型可以有效改善波紋讓旁波瓣(sidelobe)大幅度降低如圖 3-16

所示以兩列 PMC 可以達到較佳效果再增加一列 PMC 雖些許增加增益不

過 PMC 覆蓋的面積已達飽和因此從上述可知在結合 EBG 和微帶天線時

將有一最佳之覆蓋面積使用最適當之晶胞數來達到最佳的增益改善

圖 3-14表面波在介質空間中分布

36

圖 3-15輻射邊兩側包覆 PMC

圖 3-16輻射邊兩側包覆 PMC 之輻射場型比較

37

參考天線 一列 PMC 二列 PMC 三列 PMC

0 度增益 357dBi 528dBi 642dBi 644dBi

增益改善 171dB 285dB 287dB

表 3-2輻射邊兩側包覆 PMC 之增益改善比較

33 電磁帶隙結構結合單一微帶天線

以下將結合所設計之 EBG 結構和微帶天線以改善微帶天線之輻射場型干

擾從前述的探討先以圍繞式包圍天線做輻射場型比較如圖 3-17 所示

圖 3-17天線周圍包覆 EBG 之輻射場型比較

38

0 度增益

Ref patch antenna 357dBi

圍繞 EBG 572dBi

ΔGain 215dB

表 3-3天線周圍包覆 EBG 之增益改善比較

由於表面波之傳遞主要為 X 軸方向因此以 EBG 之較寬頻的維度來抑制 X

方向的表面波其結合方式如下以兩列 EBG 結構與天線結合比較如圖 3-18

圖 3-18輻射邊兩側包覆 EBG 之輻射場型比較

39

0 度增益

Ref patch antenna 357dBi

輻射邊包覆 EBG 577dBi

ΔGain 22dB

表 3-4輻射邊兩側包覆 EBG 之增益改善比較

兩種包覆 EBG 的情形做比較使用輻射邊兩側包覆 EBG 對表面波抑制可以

達到最直接的效果再對接地面做變化令輻射邊到接地面邊緣距離等於 15 倍

空氣中波長邊緣的等效感應磁流干擾最大在垂射(broadside)方向造成 30 度到

60 度的旁波瓣將晶胞數加到三列使得輻射場型能有最佳效果如圖 3-19 所示

圖 3-19較大接地面應用更多晶胞數改善輻射場型圖

40

34 電磁帶隙結構結合微帶天線陣列

第二章敘述之高增益天線陣列由於在 E-plane 產生較大之旁波瓣因此論

文將結合 EBG 結構與天線陣列改善輻射場型以符合 ETSI-TS2 規範要求

對原本的天線陣列與改善後的天線陣列作一比較如圖 3-20 為天線結構示意圖

俯視圖 yz 切面為表面波影響較大的面因此我們在 E-plane 兩側包覆 EBG使

用三列的 EBG 週期結構另外圖 3-21 為(a)34GHz(b)355GHz(c)37GHz

輻射場型在 E-plane 的改善比較可以發現在(a)跟(b)改善的效果特別明顯旁波

瓣減弱許多而(c)原本旁波瓣就不大所以改善較不明顯再跟 ETSI-mask 做

比較如圖 3-22改善後的天線陣列距離輻射場型標準線有較大之安全距離對實

作上的誤差影響會比較小以下針對輻射場型做一比較

圖 3-20原始天線陣列與應用 EBG 之天線陣列

41

(a)34GHz E-plane 輻射場型比較

(b)355GHz E-plane 輻射場型比較

(c)37GHz E-plane 輻射場型比較

圖 3-21原始天線陣列與應用 EBG 之天線陣列輻射場型比較

(a)34GHz (b)355GHz (c)37GHz

42

(a)34GHz E-plane

(b)355GHz E-plane

(a)37GHz E-plane

圖 3-22原始天線陣列與應用 EBG 之天線陣列與 ETSI-mask 比較

(a)34GHz (b)355GHz (c)37GHz

43

35 模擬與量測結果比較

由上述模擬的結果進行實作及量測的工作如圖 3-23 為微帶天線結合 EBG

結構的架構表 3-5 列出了板材的規格使用的基板是 FR4 玻璃纖維基板並架高

空氣高度為 5mm

Dielectric constant(topbottom) 44 44

Substrate thickness(topbottom) 08mm 16mm

Loss tangent 002

Air gap 5mm

Upper substrate size 250mm x 200mm

Ground size 300mm x 250mm

表 3-5天線陣列設計參數

圖 3-23應用 EBG 之天線陣列結構圖

44

圖 3-24 為天線陣列在 34GHz355GHz37GHz 的輻射場型從圖中可以

觀察模擬與量測場型蠻相近的

(a)34GHz

(b)355GHz

45

(c)37GHz

圖 3-24天線陣列輻射場型模擬與量測比較

對於其輻射場型的分布需求要符合 ETSI-TS2 的規範以下針對輻射場型與

ETSI-mask 做一比較如圖 3-25 所示從圖中發現實作及量測輻射場型全部

工作頻段都能滿足 mask 要求完成一組高增益天線陣列

(a)34GHz

46

(b)355GHz

(c)37GHz

圖 3-25天線陣列輻射場型與 ETSI-mask 比較

圖 3-26 為天線陣列模擬與量測的反射損耗其工作頻率與設計之天線相去

不遠均包含 34GHz~37GHz頻寬設計較大的原因在於避免外在因素造成的頻

飄量測出來可達 33GHz~39GHz略往高頻飄不過與設計的反射損耗相當接

近圖 3-27 為實際量測的增益對頻率的變化圖其增益的全頻段都能大於

14dBiE-plane 與 H-plane 也較為接近整理數據如表 3-6

47

圖 3-26天線陣列反射損耗模擬與量測比較

圖 3-27天線陣列增益對頻率圖

48

頻率(GHz) 33 34 35 36 37 38

E-plane 增益

(dBi) 1485 1591 1620 1687 1627 1507

H-plane 增益

(dBi) 1421 1565 1598 1629 1607 1518

表 3-6天線陣列增益對頻率表

49

圖 3-28 為實體圖俯視圖側視圖與 EBG 實際大小比較

(a) 俯視圖

(b) 側視圖(空氣高度=05mm)

(c)EBG 實體結構

圖 3-28天線陣列實體圖

50

第四章 結論

(Conclusion)

本論文主要是研究適用於基地台的 WiMAX 頻段高增益天線陣列並控制其

頻寬增益及輻射場型能夠符合 ETSI(European Telecommunication Standards

Institute)的規範在論文第二章中提出的高增益天線陣列是利用一個能量分歧

器把能量等效分成三份的饋入網路接上三組一樣的三元素陣列矩形微帶天線所

組成的天線陣列最高增益可達到 17dBi工作頻率的增益都能超過要求的

14dBi輻射場型符合 ETSI-TS2 規範另外本論文所提出的天線陣列為印刷式

天線不但具有輕量化的特性且大幅降低製作上的困難度也減輕了成本的負擔

透過本論文所設計之 EBG 可有效降低傳統 EBG 結構的製程僅以 FR4 板

材即可自行實作比較無須鉚釘並提出有效提升微帶天線增益的包圍方式在

有限的接地面下可選擇適當的晶胞數來改善天線陣列的輻射場型抑制表面波

對天線的干擾讓邊際效應產生的感應磁流干擾降到最低最後在實作及量測部

分驗證我們模擬的結果

51

參考文獻

[1] W L Stutzman and G A Thiele Antenna Theory and Design 2nd ed New York

Wiley 1998

[2] A Balanis Antenna Theory Analysis and Design New York Wiley 1997

[3] R Gardelli G La Cono and M Albani ldquoA low-cost suspended patch antenna for

WLAN access points and point-to-point linksrdquo IEEE Antennas and Propagat vol

3 no 1 pp 90-93 2004

[4] H F Pues and A R Van de capelle ldquoAn impedance-matching technique for

increasing the bandwidth of microstrip antennasrdquo IEEE Trans on Antennas and

Propagat vol 37 no 11 pp 1345-1354 Nov 1989

[5] Q Song and XndashX Zhang ldquoA study on wideband gap-coupled microstrip antenna

arraysrdquo IEEE Trans On Antennas and Propagat vol 43 no 3 pp 313-317 Mar

1995

[6] D Sievenpiper L Z Romulo F J Broas N G Alexopolous and E Yablonovitch

ldquoHigh-impedance electromagnetic surfaces with a forbidden frequency bandrdquo

IEEE Trans Microwave Theory Tech vol 47 no 11 pp 311-335 Nov 1999

[7] F-R Yang K-P Ma Y Qian and T Itoh ldquo A Uniplanar Compact

Photonic-Bandgap (UC-PBG) Structure and Its Applications for Microwave

Circuitsrdquo IEEE Trans MTT vol 47 Aug 1999

[8] M F Abedin M Z Azad and M Ali ldquo wideband smaller unit-cell planar EBG

structures and their applicationrdquo IEEE Trans On Antenna and Propagat vol 56

no 3 pp 903-908 Mar 2008

[9] I J Bahl and P Bhartia Microstrip Antennas Artech House 1980

[10] JR James and P S Hall Handbook of Microstrip Antennas LondonPeter

Peregrinus Ltd 1989

52

[11] K C Gupta R Garg I J Bahl P Bhartia Microstrip Lines and Slotlines 2nd ed

Norwood MAArtech House 1996

[12] T Namiki Y Murayama and K Ito ldquo Improving radiation-pattern distortion of a

patch antenna having a finite ground planerdquo IEEE Trans On Antenna and

Propagat vol 51 no 3 pp 478-482 Mar 2003

[13] R Coccioli F-R Yang K-P Ma and T Itoh ldquo Aperture-coupled patch antenna

on UC-PBG substraterdquo IEEE Trans Microwave Theory Tech vol 47 no 11 pp

2123-2130 Nov 1999

[14] F Yang and Y Rahmat-samii ldquo Microstrip antenna integrated with

electromagnetic band-gap (EBG) structure a low mutual coupling design for array

applicationrdquo IEEE Trans On Antenna and Propagat vol 51 no 10 pp

2936-2946 Oct2003

[15] Z Iluz R Shavit and R Bauer ldquo Microstrip antenna phased array with

electromagnetic bandgap substraterdquo IEEE Trans On Antenna and Propagat vol

52 no 6 pp 1446-1453 June 2004

  • 封面pdf
  • 摘要與目錄pdf
  • 論文_終稿_pdf
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 DEU 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FRA 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ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB ltFEFF005500740069006c0069007a006500200065007300730061007300200063006f006e00660069006700750072006100e700f50065007300200064006500200066006f0072006d00610020006100200063007200690061007200200064006f00630075006d0065006e0074006f0073002000410064006f0062006500200050004400460020007000610072006100200069006d0070007200650073007300f5006500730020006400650020007100750061006c0069006400610064006500200065006d00200069006d00700072006500730073006f0072006100730020006400650073006b0074006f00700020006500200064006900730070006f00730069007400690076006f0073002000640065002000700072006f00760061002e0020004f007300200064006f00630075006d0065006e0074006f00730020005000440046002000630072006900610064006f007300200070006f00640065006d0020007300650072002000610062006500720074006f007300200063006f006d0020006f0020004100630072006f006200610074002000650020006f002000410064006f00620065002000520065006100640065007200200035002e0030002000650020007600650072007300f50065007300200070006f00730074006500720069006f007200650073002egt SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP 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 FRA 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 ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK 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30

圖 3-9微帶線加上 10mm2EBG 結構之晶胞大小與 S 參數比較

將週期性電磁帶隙結構結合微帶線可以設計出需要的截止帶圖 3-9 主要

的截止帶在 325GHz~4GHz 及 465GHz~58GHz已經達到需求的頻帶範圍下

個目標將結合微帶天線做改善與比較

(b)S參數比較圖

31

32 電磁帶隙結構包圍方式之探討

321 有限接地面的探討

由於設計的微帶天線主要是在邊射(Broad-side)方向輻射所以需要選擇一個

適當的接地面大小讓輻射場型得到一個最佳值理論上來說無限大的接地面

可以得到最平滑(Smooth)的輻射場型只在單邊輻射不會受到地面干擾實際

上在有限的空間必須選擇一個適當大小的接地面以符合成本與面積要求

而有限的接地面卻容易造成邊緣效應干擾[12]表面波在接地面邊緣產生繞射場

(Diffracted fields)形成新的波源以陣列因子的觀點來看多了新的波源會造

成輻射場型加乘上的消長如圖 3-10微帶貼片天線主要是以前後兩側差半波

長之邊輻射而有限接地面則會在邊緣產生感應磁流(Induced equivalent

magnetic current)如圖 3-11從電場的指向可以推得磁流的方向對照輻射

場型容易在邊射方向造成波紋(Ripple)

圖 3-10有限接地面產生之輻射場型比較圖

L

32

圖 3-11介質中電場指向之強弱分布與感應磁流方向

由於接地面的大小在 E-plane 會產生波紋來干擾輻射場型所以論文中以

EBG 週期性結構來做為一個完美磁導體(Perfect Magnetic ConductorPMC)也

就是人工 PMC(Artificial PMC)抑制邊緣電場的垂直入射減弱感應磁流的效

應以改善天線輻射場型

322 天線周圍包覆 PMC

傳統上 EBG 以圍滿的方式來改善微帶天線之增益與輻射[13]並透過晶胞

數的不斷增加來提高增益及改善輻射場型但晶胞數的增加將提高成本加大

EBG 面積及天線整體體積高達一定數量時反而會降低天線性能對於微帶貼

片天線而言EBG 在接地面太靠近天線輻射邊反而影響其輻射機制造成頻率

飄移因此論文中將探討 EBG 的包圍方式對天線性能之影響以有最佳效果

已知高阻抗表面可以阻擋介質中表面波的傳遞因此先透過理想 PMC 來代

替所設計之高阻抗表面 EBG 結構以分析其特性找出提升天性能的最佳包圍

33

方式

首先把天線周圍包覆 PMC 如圖 3-12以逼近的方式慢慢擴大 PMC 的面積

一圈 PMC 的寬度與設計的晶胞大小邊長一樣從輻射場型來看使用到第二圈

時可以得到最佳的輻射效能如圖 3-13PMC 包圍有其最佳範圍取得有效的包

圍方式可以讓天線輻射最佳化

圖 3-12天線周圍包覆 PMC

34

圖 3-13天線周圍包覆 PMC 之輻射場型比較

參考天線 一圈 PMC 二圈 PMC 三圈 PMC

0 度增益 357dBi 432dBi 545dBi 478dBi

增益改善 075dB 188dB 121dB

表 3-1天線周圍包覆 PMC 之增益改善比較

35

323 輻射邊兩側包覆 PMC

由於微帶天線之表面波傳遞方向以 xz 切面為主如圖 3-14因此在微帶天線

輻射邊的兩側擺放 EBG 結構以抑制其傳遞有效改善天線輻射場型首先使

用理想的 PMC 在天線輻射邊兩側包覆如圖 3-15對於 PMC 覆蓋面積的大小作一

探討變化 PMC 之覆蓋面積了解其對天線輻射場型的影響在邊射(broadside)

方向的輻射場型可以有效改善波紋讓旁波瓣(sidelobe)大幅度降低如圖 3-16

所示以兩列 PMC 可以達到較佳效果再增加一列 PMC 雖些許增加增益不

過 PMC 覆蓋的面積已達飽和因此從上述可知在結合 EBG 和微帶天線時

將有一最佳之覆蓋面積使用最適當之晶胞數來達到最佳的增益改善

圖 3-14表面波在介質空間中分布

36

圖 3-15輻射邊兩側包覆 PMC

圖 3-16輻射邊兩側包覆 PMC 之輻射場型比較

37

參考天線 一列 PMC 二列 PMC 三列 PMC

0 度增益 357dBi 528dBi 642dBi 644dBi

增益改善 171dB 285dB 287dB

表 3-2輻射邊兩側包覆 PMC 之增益改善比較

33 電磁帶隙結構結合單一微帶天線

以下將結合所設計之 EBG 結構和微帶天線以改善微帶天線之輻射場型干

擾從前述的探討先以圍繞式包圍天線做輻射場型比較如圖 3-17 所示

圖 3-17天線周圍包覆 EBG 之輻射場型比較

38

0 度增益

Ref patch antenna 357dBi

圍繞 EBG 572dBi

ΔGain 215dB

表 3-3天線周圍包覆 EBG 之增益改善比較

由於表面波之傳遞主要為 X 軸方向因此以 EBG 之較寬頻的維度來抑制 X

方向的表面波其結合方式如下以兩列 EBG 結構與天線結合比較如圖 3-18

圖 3-18輻射邊兩側包覆 EBG 之輻射場型比較

39

0 度增益

Ref patch antenna 357dBi

輻射邊包覆 EBG 577dBi

ΔGain 22dB

表 3-4輻射邊兩側包覆 EBG 之增益改善比較

兩種包覆 EBG 的情形做比較使用輻射邊兩側包覆 EBG 對表面波抑制可以

達到最直接的效果再對接地面做變化令輻射邊到接地面邊緣距離等於 15 倍

空氣中波長邊緣的等效感應磁流干擾最大在垂射(broadside)方向造成 30 度到

60 度的旁波瓣將晶胞數加到三列使得輻射場型能有最佳效果如圖 3-19 所示

圖 3-19較大接地面應用更多晶胞數改善輻射場型圖

40

34 電磁帶隙結構結合微帶天線陣列

第二章敘述之高增益天線陣列由於在 E-plane 產生較大之旁波瓣因此論

文將結合 EBG 結構與天線陣列改善輻射場型以符合 ETSI-TS2 規範要求

對原本的天線陣列與改善後的天線陣列作一比較如圖 3-20 為天線結構示意圖

俯視圖 yz 切面為表面波影響較大的面因此我們在 E-plane 兩側包覆 EBG使

用三列的 EBG 週期結構另外圖 3-21 為(a)34GHz(b)355GHz(c)37GHz

輻射場型在 E-plane 的改善比較可以發現在(a)跟(b)改善的效果特別明顯旁波

瓣減弱許多而(c)原本旁波瓣就不大所以改善較不明顯再跟 ETSI-mask 做

比較如圖 3-22改善後的天線陣列距離輻射場型標準線有較大之安全距離對實

作上的誤差影響會比較小以下針對輻射場型做一比較

圖 3-20原始天線陣列與應用 EBG 之天線陣列

41

(a)34GHz E-plane 輻射場型比較

(b)355GHz E-plane 輻射場型比較

(c)37GHz E-plane 輻射場型比較

圖 3-21原始天線陣列與應用 EBG 之天線陣列輻射場型比較

(a)34GHz (b)355GHz (c)37GHz

42

(a)34GHz E-plane

(b)355GHz E-plane

(a)37GHz E-plane

圖 3-22原始天線陣列與應用 EBG 之天線陣列與 ETSI-mask 比較

(a)34GHz (b)355GHz (c)37GHz

43

35 模擬與量測結果比較

由上述模擬的結果進行實作及量測的工作如圖 3-23 為微帶天線結合 EBG

結構的架構表 3-5 列出了板材的規格使用的基板是 FR4 玻璃纖維基板並架高

空氣高度為 5mm

Dielectric constant(topbottom) 44 44

Substrate thickness(topbottom) 08mm 16mm

Loss tangent 002

Air gap 5mm

Upper substrate size 250mm x 200mm

Ground size 300mm x 250mm

表 3-5天線陣列設計參數

圖 3-23應用 EBG 之天線陣列結構圖

44

圖 3-24 為天線陣列在 34GHz355GHz37GHz 的輻射場型從圖中可以

觀察模擬與量測場型蠻相近的

(a)34GHz

(b)355GHz

45

(c)37GHz

圖 3-24天線陣列輻射場型模擬與量測比較

對於其輻射場型的分布需求要符合 ETSI-TS2 的規範以下針對輻射場型與

ETSI-mask 做一比較如圖 3-25 所示從圖中發現實作及量測輻射場型全部

工作頻段都能滿足 mask 要求完成一組高增益天線陣列

(a)34GHz

46

(b)355GHz

(c)37GHz

圖 3-25天線陣列輻射場型與 ETSI-mask 比較

圖 3-26 為天線陣列模擬與量測的反射損耗其工作頻率與設計之天線相去

不遠均包含 34GHz~37GHz頻寬設計較大的原因在於避免外在因素造成的頻

飄量測出來可達 33GHz~39GHz略往高頻飄不過與設計的反射損耗相當接

近圖 3-27 為實際量測的增益對頻率的變化圖其增益的全頻段都能大於

14dBiE-plane 與 H-plane 也較為接近整理數據如表 3-6

47

圖 3-26天線陣列反射損耗模擬與量測比較

圖 3-27天線陣列增益對頻率圖

48

頻率(GHz) 33 34 35 36 37 38

E-plane 增益

(dBi) 1485 1591 1620 1687 1627 1507

H-plane 增益

(dBi) 1421 1565 1598 1629 1607 1518

表 3-6天線陣列增益對頻率表

49

圖 3-28 為實體圖俯視圖側視圖與 EBG 實際大小比較

(a) 俯視圖

(b) 側視圖(空氣高度=05mm)

(c)EBG 實體結構

圖 3-28天線陣列實體圖

50

第四章 結論

(Conclusion)

本論文主要是研究適用於基地台的 WiMAX 頻段高增益天線陣列並控制其

頻寬增益及輻射場型能夠符合 ETSI(European Telecommunication Standards

Institute)的規範在論文第二章中提出的高增益天線陣列是利用一個能量分歧

器把能量等效分成三份的饋入網路接上三組一樣的三元素陣列矩形微帶天線所

組成的天線陣列最高增益可達到 17dBi工作頻率的增益都能超過要求的

14dBi輻射場型符合 ETSI-TS2 規範另外本論文所提出的天線陣列為印刷式

天線不但具有輕量化的特性且大幅降低製作上的困難度也減輕了成本的負擔

透過本論文所設計之 EBG 可有效降低傳統 EBG 結構的製程僅以 FR4 板

材即可自行實作比較無須鉚釘並提出有效提升微帶天線增益的包圍方式在

有限的接地面下可選擇適當的晶胞數來改善天線陣列的輻射場型抑制表面波

對天線的干擾讓邊際效應產生的感應磁流干擾降到最低最後在實作及量測部

分驗證我們模擬的結果

51

參考文獻

[1] W L Stutzman and G A Thiele Antenna Theory and Design 2nd ed New York

Wiley 1998

[2] A Balanis Antenna Theory Analysis and Design New York Wiley 1997

[3] R Gardelli G La Cono and M Albani ldquoA low-cost suspended patch antenna for

WLAN access points and point-to-point linksrdquo IEEE Antennas and Propagat vol

3 no 1 pp 90-93 2004

[4] H F Pues and A R Van de capelle ldquoAn impedance-matching technique for

increasing the bandwidth of microstrip antennasrdquo IEEE Trans on Antennas and

Propagat vol 37 no 11 pp 1345-1354 Nov 1989

[5] Q Song and XndashX Zhang ldquoA study on wideband gap-coupled microstrip antenna

arraysrdquo IEEE Trans On Antennas and Propagat vol 43 no 3 pp 313-317 Mar

1995

[6] D Sievenpiper L Z Romulo F J Broas N G Alexopolous and E Yablonovitch

ldquoHigh-impedance electromagnetic surfaces with a forbidden frequency bandrdquo

IEEE Trans Microwave Theory Tech vol 47 no 11 pp 311-335 Nov 1999

[7] F-R Yang K-P Ma Y Qian and T Itoh ldquo A Uniplanar Compact

Photonic-Bandgap (UC-PBG) Structure and Its Applications for Microwave

Circuitsrdquo IEEE Trans MTT vol 47 Aug 1999

[8] M F Abedin M Z Azad and M Ali ldquo wideband smaller unit-cell planar EBG

structures and their applicationrdquo IEEE Trans On Antenna and Propagat vol 56

no 3 pp 903-908 Mar 2008

[9] I J Bahl and P Bhartia Microstrip Antennas Artech House 1980

[10] JR James and P S Hall Handbook of Microstrip Antennas LondonPeter

Peregrinus Ltd 1989

52

[11] K C Gupta R Garg I J Bahl P Bhartia Microstrip Lines and Slotlines 2nd ed

Norwood MAArtech House 1996

[12] T Namiki Y Murayama and K Ito ldquo Improving radiation-pattern distortion of a

patch antenna having a finite ground planerdquo IEEE Trans On Antenna and

Propagat vol 51 no 3 pp 478-482 Mar 2003

[13] R Coccioli F-R Yang K-P Ma and T Itoh ldquo Aperture-coupled patch antenna

on UC-PBG substraterdquo IEEE Trans Microwave Theory Tech vol 47 no 11 pp

2123-2130 Nov 1999

[14] F Yang and Y Rahmat-samii ldquo Microstrip antenna integrated with

electromagnetic band-gap (EBG) structure a low mutual coupling design for array

applicationrdquo IEEE Trans On Antenna and Propagat vol 51 no 10 pp

2936-2946 Oct2003

[15] Z Iluz R Shavit and R Bauer ldquo Microstrip antenna phased array with

electromagnetic bandgap substraterdquo IEEE Trans On Antenna and Propagat vol

52 no 6 pp 1446-1453 June 2004

  • 封面pdf
  • 摘要與目錄pdf
  • 論文_終稿_pdf
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 DEU 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 ESP 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FRA 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 PTB 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 SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP ltFEFF005500740069006c0069006300650020006500730074006100200063006f006e0066006900670075007200610063006900f3006e0020007000610072006100200063007200650061007200200064006f00630075006d0065006e0074006f0073002000640065002000410064006f0062006500200050004400460020007000610072006100200063006f006e00730065006700750069007200200069006d0070007200650073006900f3006e002000640065002000630061006c006900640061006400200065006e00200069006d0070007200650073006f0072006100730020006400650020006500730063007200690074006f00720069006f00200079002000680065007200720061006d00690065006e00740061007300200064006500200063006f00720072006500630063006900f3006e002e002000530065002000700075006500640065006e00200061006200720069007200200064006f00630075006d0065006e0074006f00730020005000440046002000630072006500610064006f007300200063006f006e0020004100630072006f006200610074002c002000410064006f00620065002000520065006100640065007200200035002e003000200079002000760065007200730069006f006e0065007300200070006f00730074006500720069006f007200650073002egt FRA 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 ITA ltFEFF005500740069006c0069007a007a006100720065002000710075006500730074006500200069006d0070006f007300740061007a0069006f006e00690020007000650072002000630072006500610072006500200064006f00630075006d0065006e00740069002000410064006f006200650020005000440046002000700065007200200075006e00610020007300740061006d007000610020006400690020007100750061006c0069007400e00020007300750020007300740061006d00700061006e0074006900200065002000700072006f006f0066006500720020006400650073006b0074006f0070002e0020004900200064006f00630075006d0065006e007400690020005000440046002000630072006500610074006900200070006f00730073006f006e006f0020006500730073006500720065002000610070006500720074006900200063006f006e0020004100630072006f00620061007400200065002000410064006f00620065002000520065006100640065007200200035002e003000200065002000760065007200730069006f006e006900200073007500630063006500730073006900760065002egt JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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31

32 電磁帶隙結構包圍方式之探討

321 有限接地面的探討

由於設計的微帶天線主要是在邊射(Broad-side)方向輻射所以需要選擇一個

適當的接地面大小讓輻射場型得到一個最佳值理論上來說無限大的接地面

可以得到最平滑(Smooth)的輻射場型只在單邊輻射不會受到地面干擾實際

上在有限的空間必須選擇一個適當大小的接地面以符合成本與面積要求

而有限的接地面卻容易造成邊緣效應干擾[12]表面波在接地面邊緣產生繞射場

(Diffracted fields)形成新的波源以陣列因子的觀點來看多了新的波源會造

成輻射場型加乘上的消長如圖 3-10微帶貼片天線主要是以前後兩側差半波

長之邊輻射而有限接地面則會在邊緣產生感應磁流(Induced equivalent

magnetic current)如圖 3-11從電場的指向可以推得磁流的方向對照輻射

場型容易在邊射方向造成波紋(Ripple)

圖 3-10有限接地面產生之輻射場型比較圖

L

32

圖 3-11介質中電場指向之強弱分布與感應磁流方向

由於接地面的大小在 E-plane 會產生波紋來干擾輻射場型所以論文中以

EBG 週期性結構來做為一個完美磁導體(Perfect Magnetic ConductorPMC)也

就是人工 PMC(Artificial PMC)抑制邊緣電場的垂直入射減弱感應磁流的效

應以改善天線輻射場型

322 天線周圍包覆 PMC

傳統上 EBG 以圍滿的方式來改善微帶天線之增益與輻射[13]並透過晶胞

數的不斷增加來提高增益及改善輻射場型但晶胞數的增加將提高成本加大

EBG 面積及天線整體體積高達一定數量時反而會降低天線性能對於微帶貼

片天線而言EBG 在接地面太靠近天線輻射邊反而影響其輻射機制造成頻率

飄移因此論文中將探討 EBG 的包圍方式對天線性能之影響以有最佳效果

已知高阻抗表面可以阻擋介質中表面波的傳遞因此先透過理想 PMC 來代

替所設計之高阻抗表面 EBG 結構以分析其特性找出提升天性能的最佳包圍

33

方式

首先把天線周圍包覆 PMC 如圖 3-12以逼近的方式慢慢擴大 PMC 的面積

一圈 PMC 的寬度與設計的晶胞大小邊長一樣從輻射場型來看使用到第二圈

時可以得到最佳的輻射效能如圖 3-13PMC 包圍有其最佳範圍取得有效的包

圍方式可以讓天線輻射最佳化

圖 3-12天線周圍包覆 PMC

34

圖 3-13天線周圍包覆 PMC 之輻射場型比較

參考天線 一圈 PMC 二圈 PMC 三圈 PMC

0 度增益 357dBi 432dBi 545dBi 478dBi

增益改善 075dB 188dB 121dB

表 3-1天線周圍包覆 PMC 之增益改善比較

35

323 輻射邊兩側包覆 PMC

由於微帶天線之表面波傳遞方向以 xz 切面為主如圖 3-14因此在微帶天線

輻射邊的兩側擺放 EBG 結構以抑制其傳遞有效改善天線輻射場型首先使

用理想的 PMC 在天線輻射邊兩側包覆如圖 3-15對於 PMC 覆蓋面積的大小作一

探討變化 PMC 之覆蓋面積了解其對天線輻射場型的影響在邊射(broadside)

方向的輻射場型可以有效改善波紋讓旁波瓣(sidelobe)大幅度降低如圖 3-16

所示以兩列 PMC 可以達到較佳效果再增加一列 PMC 雖些許增加增益不

過 PMC 覆蓋的面積已達飽和因此從上述可知在結合 EBG 和微帶天線時

將有一最佳之覆蓋面積使用最適當之晶胞數來達到最佳的增益改善

圖 3-14表面波在介質空間中分布

36

圖 3-15輻射邊兩側包覆 PMC

圖 3-16輻射邊兩側包覆 PMC 之輻射場型比較

37

參考天線 一列 PMC 二列 PMC 三列 PMC

0 度增益 357dBi 528dBi 642dBi 644dBi

增益改善 171dB 285dB 287dB

表 3-2輻射邊兩側包覆 PMC 之增益改善比較

33 電磁帶隙結構結合單一微帶天線

以下將結合所設計之 EBG 結構和微帶天線以改善微帶天線之輻射場型干

擾從前述的探討先以圍繞式包圍天線做輻射場型比較如圖 3-17 所示

圖 3-17天線周圍包覆 EBG 之輻射場型比較

38

0 度增益

Ref patch antenna 357dBi

圍繞 EBG 572dBi

ΔGain 215dB

表 3-3天線周圍包覆 EBG 之增益改善比較

由於表面波之傳遞主要為 X 軸方向因此以 EBG 之較寬頻的維度來抑制 X

方向的表面波其結合方式如下以兩列 EBG 結構與天線結合比較如圖 3-18

圖 3-18輻射邊兩側包覆 EBG 之輻射場型比較

39

0 度增益

Ref patch antenna 357dBi

輻射邊包覆 EBG 577dBi

ΔGain 22dB

表 3-4輻射邊兩側包覆 EBG 之增益改善比較

兩種包覆 EBG 的情形做比較使用輻射邊兩側包覆 EBG 對表面波抑制可以

達到最直接的效果再對接地面做變化令輻射邊到接地面邊緣距離等於 15 倍

空氣中波長邊緣的等效感應磁流干擾最大在垂射(broadside)方向造成 30 度到

60 度的旁波瓣將晶胞數加到三列使得輻射場型能有最佳效果如圖 3-19 所示

圖 3-19較大接地面應用更多晶胞數改善輻射場型圖

40

34 電磁帶隙結構結合微帶天線陣列

第二章敘述之高增益天線陣列由於在 E-plane 產生較大之旁波瓣因此論

文將結合 EBG 結構與天線陣列改善輻射場型以符合 ETSI-TS2 規範要求

對原本的天線陣列與改善後的天線陣列作一比較如圖 3-20 為天線結構示意圖

俯視圖 yz 切面為表面波影響較大的面因此我們在 E-plane 兩側包覆 EBG使

用三列的 EBG 週期結構另外圖 3-21 為(a)34GHz(b)355GHz(c)37GHz

輻射場型在 E-plane 的改善比較可以發現在(a)跟(b)改善的效果特別明顯旁波

瓣減弱許多而(c)原本旁波瓣就不大所以改善較不明顯再跟 ETSI-mask 做

比較如圖 3-22改善後的天線陣列距離輻射場型標準線有較大之安全距離對實

作上的誤差影響會比較小以下針對輻射場型做一比較

圖 3-20原始天線陣列與應用 EBG 之天線陣列

41

(a)34GHz E-plane 輻射場型比較

(b)355GHz E-plane 輻射場型比較

(c)37GHz E-plane 輻射場型比較

圖 3-21原始天線陣列與應用 EBG 之天線陣列輻射場型比較

(a)34GHz (b)355GHz (c)37GHz

42

(a)34GHz E-plane

(b)355GHz E-plane

(a)37GHz E-plane

圖 3-22原始天線陣列與應用 EBG 之天線陣列與 ETSI-mask 比較

(a)34GHz (b)355GHz (c)37GHz

43

35 模擬與量測結果比較

由上述模擬的結果進行實作及量測的工作如圖 3-23 為微帶天線結合 EBG

結構的架構表 3-5 列出了板材的規格使用的基板是 FR4 玻璃纖維基板並架高

空氣高度為 5mm

Dielectric constant(topbottom) 44 44

Substrate thickness(topbottom) 08mm 16mm

Loss tangent 002

Air gap 5mm

Upper substrate size 250mm x 200mm

Ground size 300mm x 250mm

表 3-5天線陣列設計參數

圖 3-23應用 EBG 之天線陣列結構圖

44

圖 3-24 為天線陣列在 34GHz355GHz37GHz 的輻射場型從圖中可以

觀察模擬與量測場型蠻相近的

(a)34GHz

(b)355GHz

45

(c)37GHz

圖 3-24天線陣列輻射場型模擬與量測比較

對於其輻射場型的分布需求要符合 ETSI-TS2 的規範以下針對輻射場型與

ETSI-mask 做一比較如圖 3-25 所示從圖中發現實作及量測輻射場型全部

工作頻段都能滿足 mask 要求完成一組高增益天線陣列

(a)34GHz

46

(b)355GHz

(c)37GHz

圖 3-25天線陣列輻射場型與 ETSI-mask 比較

圖 3-26 為天線陣列模擬與量測的反射損耗其工作頻率與設計之天線相去

不遠均包含 34GHz~37GHz頻寬設計較大的原因在於避免外在因素造成的頻

飄量測出來可達 33GHz~39GHz略往高頻飄不過與設計的反射損耗相當接

近圖 3-27 為實際量測的增益對頻率的變化圖其增益的全頻段都能大於

14dBiE-plane 與 H-plane 也較為接近整理數據如表 3-6

47

圖 3-26天線陣列反射損耗模擬與量測比較

圖 3-27天線陣列增益對頻率圖

48

頻率(GHz) 33 34 35 36 37 38

E-plane 增益

(dBi) 1485 1591 1620 1687 1627 1507

H-plane 增益

(dBi) 1421 1565 1598 1629 1607 1518

表 3-6天線陣列增益對頻率表

49

圖 3-28 為實體圖俯視圖側視圖與 EBG 實際大小比較

(a) 俯視圖

(b) 側視圖(空氣高度=05mm)

(c)EBG 實體結構

圖 3-28天線陣列實體圖

50

第四章 結論

(Conclusion)

本論文主要是研究適用於基地台的 WiMAX 頻段高增益天線陣列並控制其

頻寬增益及輻射場型能夠符合 ETSI(European Telecommunication Standards

Institute)的規範在論文第二章中提出的高增益天線陣列是利用一個能量分歧

器把能量等效分成三份的饋入網路接上三組一樣的三元素陣列矩形微帶天線所

組成的天線陣列最高增益可達到 17dBi工作頻率的增益都能超過要求的

14dBi輻射場型符合 ETSI-TS2 規範另外本論文所提出的天線陣列為印刷式

天線不但具有輕量化的特性且大幅降低製作上的困難度也減輕了成本的負擔

透過本論文所設計之 EBG 可有效降低傳統 EBG 結構的製程僅以 FR4 板

材即可自行實作比較無須鉚釘並提出有效提升微帶天線增益的包圍方式在

有限的接地面下可選擇適當的晶胞數來改善天線陣列的輻射場型抑制表面波

對天線的干擾讓邊際效應產生的感應磁流干擾降到最低最後在實作及量測部

分驗證我們模擬的結果

51

參考文獻

[1] W L Stutzman and G A Thiele Antenna Theory and Design 2nd ed New York

Wiley 1998

[2] A Balanis Antenna Theory Analysis and Design New York Wiley 1997

[3] R Gardelli G La Cono and M Albani ldquoA low-cost suspended patch antenna for

WLAN access points and point-to-point linksrdquo IEEE Antennas and Propagat vol

3 no 1 pp 90-93 2004

[4] H F Pues and A R Van de capelle ldquoAn impedance-matching technique for

increasing the bandwidth of microstrip antennasrdquo IEEE Trans on Antennas and

Propagat vol 37 no 11 pp 1345-1354 Nov 1989

[5] Q Song and XndashX Zhang ldquoA study on wideband gap-coupled microstrip antenna

arraysrdquo IEEE Trans On Antennas and Propagat vol 43 no 3 pp 313-317 Mar

1995

[6] D Sievenpiper L Z Romulo F J Broas N G Alexopolous and E Yablonovitch

ldquoHigh-impedance electromagnetic surfaces with a forbidden frequency bandrdquo

IEEE Trans Microwave Theory Tech vol 47 no 11 pp 311-335 Nov 1999

[7] F-R Yang K-P Ma Y Qian and T Itoh ldquo A Uniplanar Compact

Photonic-Bandgap (UC-PBG) Structure and Its Applications for Microwave

Circuitsrdquo IEEE Trans MTT vol 47 Aug 1999

[8] M F Abedin M Z Azad and M Ali ldquo wideband smaller unit-cell planar EBG

structures and their applicationrdquo IEEE Trans On Antenna and Propagat vol 56

no 3 pp 903-908 Mar 2008

[9] I J Bahl and P Bhartia Microstrip Antennas Artech House 1980

[10] JR James and P S Hall Handbook of Microstrip Antennas LondonPeter

Peregrinus Ltd 1989

52

[11] K C Gupta R Garg I J Bahl P Bhartia Microstrip Lines and Slotlines 2nd ed

Norwood MAArtech House 1996

[12] T Namiki Y Murayama and K Ito ldquo Improving radiation-pattern distortion of a

patch antenna having a finite ground planerdquo IEEE Trans On Antenna and

Propagat vol 51 no 3 pp 478-482 Mar 2003

[13] R Coccioli F-R Yang K-P Ma and T Itoh ldquo Aperture-coupled patch antenna

on UC-PBG substraterdquo IEEE Trans Microwave Theory Tech vol 47 no 11 pp

2123-2130 Nov 1999

[14] F Yang and Y Rahmat-samii ldquo Microstrip antenna integrated with

electromagnetic band-gap (EBG) structure a low mutual coupling design for array

applicationrdquo IEEE Trans On Antenna and Propagat vol 51 no 10 pp

2936-2946 Oct2003

[15] Z Iluz R Shavit and R Bauer ldquo Microstrip antenna phased array with

electromagnetic bandgap substraterdquo IEEE Trans On Antenna and Propagat vol

52 no 6 pp 1446-1453 June 2004

  • 封面pdf
  • 摘要與目錄pdf
  • 論文_終稿_pdf
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      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP 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 FRA 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 ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO ltFEFF004b00e40079007400e40020006e00e40069007400e4002000610073006500740075006b007300690061002c0020006b0075006e0020006c0075006f0074002000410064006f0062006500200050004400460020002d0064006f006b0075006d0065006e007400740065006a00610020006c0061006100640075006b006100730074006100200074007900f6007000f60079007400e400740075006c006f0073007400750073007400610020006a00610020007600650064006f007300740075007300740061002000760061007200740065006e002e00200020004c0075006f0064007500740020005000440046002d0064006f006b0075006d0065006e00740069007400200076006f0069006400610061006e0020006100760061007400610020004100630072006f0062006100740069006c006c00610020006a0061002000410064006f00620065002000520065006100640065007200200035002e0030003a006c006c00610020006a006100200075007500640065006d006d0069006c006c0061002egt SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN ltFEFF004200720075006700200069006e0064007300740069006c006c0069006e006700650072006e0065002000740069006c0020006100740020006f007000720065007400740065002000410064006f006200650020005000440046002d0064006f006b0075006d0065006e007400650072002000740069006c0020006b00760061006c00690074006500740073007500640073006b007200690076006e0069006e006700200065006c006c006500720020006b006f007200720065006b007400750072006c00e60073006e0069006e0067002e0020004400650020006f007000720065007400740065006400650020005000440046002d0064006f006b0075006d0065006e0074006500720020006b0061006e002000e50062006e00650073002000690020004100630072006f00620061007400200065006c006c006500720020004100630072006f006200610074002000520065006100640065007200200035002e00300020006f00670020006e0079006500720065002egt DEU ltFEFF00560065007200770065006e00640065006e0020005300690065002000640069006500730065002000450069006e007300740065006c006c0075006e00670065006e0020007a0075006d002000450072007300740065006c006c0065006e00200076006f006e002000410064006f006200650020005000440046002d0044006f006b0075006d0065006e00740065006e002c00200076006f006e002000640065006e0065006e002000530069006500200068006f00630068007700650072007400690067006500200044007200750063006b006500200061007500660020004400650073006b0074006f0070002d0044007200750063006b00650072006e00200075006e0064002000500072006f006f0066002d00470065007200e400740065006e002000650072007a0065007500670065006e0020006d00f60063006800740065006e002e002000450072007300740065006c006c007400650020005000440046002d0044006f006b0075006d0065006e007400650020006b00f6006e006e0065006e0020006d006900740020004100630072006f00620061007400200075006e0064002000410064006f00620065002000520065006100640065007200200035002e00300020006f0064006500720020006800f600680065007200200067006500f600660066006e00650074002000770065007200640065006e002egt ESP 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 FRA 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 KOR 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 SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

32

圖 3-11介質中電場指向之強弱分布與感應磁流方向

由於接地面的大小在 E-plane 會產生波紋來干擾輻射場型所以論文中以

EBG 週期性結構來做為一個完美磁導體(Perfect Magnetic ConductorPMC)也

就是人工 PMC(Artificial PMC)抑制邊緣電場的垂直入射減弱感應磁流的效

應以改善天線輻射場型

322 天線周圍包覆 PMC

傳統上 EBG 以圍滿的方式來改善微帶天線之增益與輻射[13]並透過晶胞

數的不斷增加來提高增益及改善輻射場型但晶胞數的增加將提高成本加大

EBG 面積及天線整體體積高達一定數量時反而會降低天線性能對於微帶貼

片天線而言EBG 在接地面太靠近天線輻射邊反而影響其輻射機制造成頻率

飄移因此論文中將探討 EBG 的包圍方式對天線性能之影響以有最佳效果

已知高阻抗表面可以阻擋介質中表面波的傳遞因此先透過理想 PMC 來代

替所設計之高阻抗表面 EBG 結構以分析其特性找出提升天性能的最佳包圍

33

方式

首先把天線周圍包覆 PMC 如圖 3-12以逼近的方式慢慢擴大 PMC 的面積

一圈 PMC 的寬度與設計的晶胞大小邊長一樣從輻射場型來看使用到第二圈

時可以得到最佳的輻射效能如圖 3-13PMC 包圍有其最佳範圍取得有效的包

圍方式可以讓天線輻射最佳化

圖 3-12天線周圍包覆 PMC

34

圖 3-13天線周圍包覆 PMC 之輻射場型比較

參考天線 一圈 PMC 二圈 PMC 三圈 PMC

0 度增益 357dBi 432dBi 545dBi 478dBi

增益改善 075dB 188dB 121dB

表 3-1天線周圍包覆 PMC 之增益改善比較

35

323 輻射邊兩側包覆 PMC

由於微帶天線之表面波傳遞方向以 xz 切面為主如圖 3-14因此在微帶天線

輻射邊的兩側擺放 EBG 結構以抑制其傳遞有效改善天線輻射場型首先使

用理想的 PMC 在天線輻射邊兩側包覆如圖 3-15對於 PMC 覆蓋面積的大小作一

探討變化 PMC 之覆蓋面積了解其對天線輻射場型的影響在邊射(broadside)

方向的輻射場型可以有效改善波紋讓旁波瓣(sidelobe)大幅度降低如圖 3-16

所示以兩列 PMC 可以達到較佳效果再增加一列 PMC 雖些許增加增益不

過 PMC 覆蓋的面積已達飽和因此從上述可知在結合 EBG 和微帶天線時

將有一最佳之覆蓋面積使用最適當之晶胞數來達到最佳的增益改善

圖 3-14表面波在介質空間中分布

36

圖 3-15輻射邊兩側包覆 PMC

圖 3-16輻射邊兩側包覆 PMC 之輻射場型比較

37

參考天線 一列 PMC 二列 PMC 三列 PMC

0 度增益 357dBi 528dBi 642dBi 644dBi

增益改善 171dB 285dB 287dB

表 3-2輻射邊兩側包覆 PMC 之增益改善比較

33 電磁帶隙結構結合單一微帶天線

以下將結合所設計之 EBG 結構和微帶天線以改善微帶天線之輻射場型干

擾從前述的探討先以圍繞式包圍天線做輻射場型比較如圖 3-17 所示

圖 3-17天線周圍包覆 EBG 之輻射場型比較

38

0 度增益

Ref patch antenna 357dBi

圍繞 EBG 572dBi

ΔGain 215dB

表 3-3天線周圍包覆 EBG 之增益改善比較

由於表面波之傳遞主要為 X 軸方向因此以 EBG 之較寬頻的維度來抑制 X

方向的表面波其結合方式如下以兩列 EBG 結構與天線結合比較如圖 3-18

圖 3-18輻射邊兩側包覆 EBG 之輻射場型比較

39

0 度增益

Ref patch antenna 357dBi

輻射邊包覆 EBG 577dBi

ΔGain 22dB

表 3-4輻射邊兩側包覆 EBG 之增益改善比較

兩種包覆 EBG 的情形做比較使用輻射邊兩側包覆 EBG 對表面波抑制可以

達到最直接的效果再對接地面做變化令輻射邊到接地面邊緣距離等於 15 倍

空氣中波長邊緣的等效感應磁流干擾最大在垂射(broadside)方向造成 30 度到

60 度的旁波瓣將晶胞數加到三列使得輻射場型能有最佳效果如圖 3-19 所示

圖 3-19較大接地面應用更多晶胞數改善輻射場型圖

40

34 電磁帶隙結構結合微帶天線陣列

第二章敘述之高增益天線陣列由於在 E-plane 產生較大之旁波瓣因此論

文將結合 EBG 結構與天線陣列改善輻射場型以符合 ETSI-TS2 規範要求

對原本的天線陣列與改善後的天線陣列作一比較如圖 3-20 為天線結構示意圖

俯視圖 yz 切面為表面波影響較大的面因此我們在 E-plane 兩側包覆 EBG使

用三列的 EBG 週期結構另外圖 3-21 為(a)34GHz(b)355GHz(c)37GHz

輻射場型在 E-plane 的改善比較可以發現在(a)跟(b)改善的效果特別明顯旁波

瓣減弱許多而(c)原本旁波瓣就不大所以改善較不明顯再跟 ETSI-mask 做

比較如圖 3-22改善後的天線陣列距離輻射場型標準線有較大之安全距離對實

作上的誤差影響會比較小以下針對輻射場型做一比較

圖 3-20原始天線陣列與應用 EBG 之天線陣列

41

(a)34GHz E-plane 輻射場型比較

(b)355GHz E-plane 輻射場型比較

(c)37GHz E-plane 輻射場型比較

圖 3-21原始天線陣列與應用 EBG 之天線陣列輻射場型比較

(a)34GHz (b)355GHz (c)37GHz

42

(a)34GHz E-plane

(b)355GHz E-plane

(a)37GHz E-plane

圖 3-22原始天線陣列與應用 EBG 之天線陣列與 ETSI-mask 比較

(a)34GHz (b)355GHz (c)37GHz

43

35 模擬與量測結果比較

由上述模擬的結果進行實作及量測的工作如圖 3-23 為微帶天線結合 EBG

結構的架構表 3-5 列出了板材的規格使用的基板是 FR4 玻璃纖維基板並架高

空氣高度為 5mm

Dielectric constant(topbottom) 44 44

Substrate thickness(topbottom) 08mm 16mm

Loss tangent 002

Air gap 5mm

Upper substrate size 250mm x 200mm

Ground size 300mm x 250mm

表 3-5天線陣列設計參數

圖 3-23應用 EBG 之天線陣列結構圖

44

圖 3-24 為天線陣列在 34GHz355GHz37GHz 的輻射場型從圖中可以

觀察模擬與量測場型蠻相近的

(a)34GHz

(b)355GHz

45

(c)37GHz

圖 3-24天線陣列輻射場型模擬與量測比較

對於其輻射場型的分布需求要符合 ETSI-TS2 的規範以下針對輻射場型與

ETSI-mask 做一比較如圖 3-25 所示從圖中發現實作及量測輻射場型全部

工作頻段都能滿足 mask 要求完成一組高增益天線陣列

(a)34GHz

46

(b)355GHz

(c)37GHz

圖 3-25天線陣列輻射場型與 ETSI-mask 比較

圖 3-26 為天線陣列模擬與量測的反射損耗其工作頻率與設計之天線相去

不遠均包含 34GHz~37GHz頻寬設計較大的原因在於避免外在因素造成的頻

飄量測出來可達 33GHz~39GHz略往高頻飄不過與設計的反射損耗相當接

近圖 3-27 為實際量測的增益對頻率的變化圖其增益的全頻段都能大於

14dBiE-plane 與 H-plane 也較為接近整理數據如表 3-6

47

圖 3-26天線陣列反射損耗模擬與量測比較

圖 3-27天線陣列增益對頻率圖

48

頻率(GHz) 33 34 35 36 37 38

E-plane 增益

(dBi) 1485 1591 1620 1687 1627 1507

H-plane 增益

(dBi) 1421 1565 1598 1629 1607 1518

表 3-6天線陣列增益對頻率表

49

圖 3-28 為實體圖俯視圖側視圖與 EBG 實際大小比較

(a) 俯視圖

(b) 側視圖(空氣高度=05mm)

(c)EBG 實體結構

圖 3-28天線陣列實體圖

50

第四章 結論

(Conclusion)

本論文主要是研究適用於基地台的 WiMAX 頻段高增益天線陣列並控制其

頻寬增益及輻射場型能夠符合 ETSI(European Telecommunication Standards

Institute)的規範在論文第二章中提出的高增益天線陣列是利用一個能量分歧

器把能量等效分成三份的饋入網路接上三組一樣的三元素陣列矩形微帶天線所

組成的天線陣列最高增益可達到 17dBi工作頻率的增益都能超過要求的

14dBi輻射場型符合 ETSI-TS2 規範另外本論文所提出的天線陣列為印刷式

天線不但具有輕量化的特性且大幅降低製作上的困難度也減輕了成本的負擔

透過本論文所設計之 EBG 可有效降低傳統 EBG 結構的製程僅以 FR4 板

材即可自行實作比較無須鉚釘並提出有效提升微帶天線增益的包圍方式在

有限的接地面下可選擇適當的晶胞數來改善天線陣列的輻射場型抑制表面波

對天線的干擾讓邊際效應產生的感應磁流干擾降到最低最後在實作及量測部

分驗證我們模擬的結果

51

參考文獻

[1] W L Stutzman and G A Thiele Antenna Theory and Design 2nd ed New York

Wiley 1998

[2] A Balanis Antenna Theory Analysis and Design New York Wiley 1997

[3] R Gardelli G La Cono and M Albani ldquoA low-cost suspended patch antenna for

WLAN access points and point-to-point linksrdquo IEEE Antennas and Propagat vol

3 no 1 pp 90-93 2004

[4] H F Pues and A R Van de capelle ldquoAn impedance-matching technique for

increasing the bandwidth of microstrip antennasrdquo IEEE Trans on Antennas and

Propagat vol 37 no 11 pp 1345-1354 Nov 1989

[5] Q Song and XndashX Zhang ldquoA study on wideband gap-coupled microstrip antenna

arraysrdquo IEEE Trans On Antennas and Propagat vol 43 no 3 pp 313-317 Mar

1995

[6] D Sievenpiper L Z Romulo F J Broas N G Alexopolous and E Yablonovitch

ldquoHigh-impedance electromagnetic surfaces with a forbidden frequency bandrdquo

IEEE Trans Microwave Theory Tech vol 47 no 11 pp 311-335 Nov 1999

[7] F-R Yang K-P Ma Y Qian and T Itoh ldquo A Uniplanar Compact

Photonic-Bandgap (UC-PBG) Structure and Its Applications for Microwave

Circuitsrdquo IEEE Trans MTT vol 47 Aug 1999

[8] M F Abedin M Z Azad and M Ali ldquo wideband smaller unit-cell planar EBG

structures and their applicationrdquo IEEE Trans On Antenna and Propagat vol 56

no 3 pp 903-908 Mar 2008

[9] I J Bahl and P Bhartia Microstrip Antennas Artech House 1980

[10] JR James and P S Hall Handbook of Microstrip Antennas LondonPeter

Peregrinus Ltd 1989

52

[11] K C Gupta R Garg I J Bahl P Bhartia Microstrip Lines and Slotlines 2nd ed

Norwood MAArtech House 1996

[12] T Namiki Y Murayama and K Ito ldquo Improving radiation-pattern distortion of a

patch antenna having a finite ground planerdquo IEEE Trans On Antenna and

Propagat vol 51 no 3 pp 478-482 Mar 2003

[13] R Coccioli F-R Yang K-P Ma and T Itoh ldquo Aperture-coupled patch antenna

on UC-PBG substraterdquo IEEE Trans Microwave Theory Tech vol 47 no 11 pp

2123-2130 Nov 1999

[14] F Yang and Y Rahmat-samii ldquo Microstrip antenna integrated with

electromagnetic band-gap (EBG) structure a low mutual coupling design for array

applicationrdquo IEEE Trans On Antenna and Propagat vol 51 no 10 pp

2936-2946 Oct2003

[15] Z Iluz R Shavit and R Bauer ldquo Microstrip antenna phased array with

electromagnetic bandgap substraterdquo IEEE Trans On Antenna and Propagat vol

52 no 6 pp 1446-1453 June 2004

  • 封面pdf
  • 摘要與目錄pdf
  • 論文_終稿_pdf
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DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT 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 ESP 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FRA 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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ltFEFF00560065007200770065006e00640065006e0020005300690065002000640069006500730065002000450069006e007300740065006c006c0075006e00670065006e0020007a0075006d002000450072007300740065006c006c0065006e00200076006f006e002000410064006f006200650020005000440046002d0044006f006b0075006d0065006e00740065006e002c00200076006f006e002000640065006e0065006e002000530069006500200068006f00630068007700650072007400690067006500200044007200750063006b006500200061007500660020004400650073006b0074006f0070002d0044007200750063006b00650072006e00200075006e0064002000500072006f006f0066002d00470065007200e400740065006e002000650072007a0065007500670065006e0020006d00f60063006800740065006e002e002000450072007300740065006c006c007400650020005000440046002d0044006f006b0075006d0065006e007400650020006b00f6006e006e0065006e0020006d006900740020004100630072006f00620061007400200075006e0064002000410064006f00620065002000520065006100640065007200200035002e00300020006f0064006500720020006800f600680065007200200067006500f600660066006e00650074002000770065007200640065006e002egt ESP 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 FRA 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 ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO ltFEFF004b00e40079007400e40020006e00e40069007400e4002000610073006500740075006b007300690061002c0020006b0075006e0020006c0075006f0074002000410064006f0062006500200050004400460020002d0064006f006b0075006d0065006e007400740065006a00610020006c0061006100640075006b006100730074006100200074007900f6007000f60079007400e400740075006c006f0073007400750073007400610020006a00610020007600650064006f007300740075007300740061002000760061007200740065006e002e00200020004c0075006f0064007500740020005000440046002d0064006f006b0075006d0065006e00740069007400200076006f0069006400610061006e0020006100760061007400610020004100630072006f0062006100740069006c006c00610020006a0061002000410064006f00620065002000520065006100640065007200200035002e0030003a006c006c00610020006a006100200075007500640065006d006d0069006c006c0061002egt SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN ltFEFF004200720075006700200069006e0064007300740069006c006c0069006e006700650072006e0065002000740069006c0020006100740020006f007000720065007400740065002000410064006f006200650020005000440046002d0064006f006b0075006d0065006e007400650072002000740069006c0020006b00760061006c00690074006500740073007500640073006b007200690076006e0069006e006700200065006c006c006500720020006b006f007200720065006b007400750072006c00e60073006e0069006e0067002e0020004400650020006f007000720065007400740065006400650020005000440046002d0064006f006b0075006d0065006e0074006500720020006b0061006e002000e50062006e00650073002000690020004100630072006f00620061007400200065006c006c006500720020004100630072006f006200610074002000520065006100640065007200200035002e00300020006f00670020006e0079006500720065002egt DEU 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 ESP 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 FRA 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 ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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33

方式

首先把天線周圍包覆 PMC 如圖 3-12以逼近的方式慢慢擴大 PMC 的面積

一圈 PMC 的寬度與設計的晶胞大小邊長一樣從輻射場型來看使用到第二圈

時可以得到最佳的輻射效能如圖 3-13PMC 包圍有其最佳範圍取得有效的包

圍方式可以讓天線輻射最佳化

圖 3-12天線周圍包覆 PMC

34

圖 3-13天線周圍包覆 PMC 之輻射場型比較

參考天線 一圈 PMC 二圈 PMC 三圈 PMC

0 度增益 357dBi 432dBi 545dBi 478dBi

增益改善 075dB 188dB 121dB

表 3-1天線周圍包覆 PMC 之增益改善比較

35

323 輻射邊兩側包覆 PMC

由於微帶天線之表面波傳遞方向以 xz 切面為主如圖 3-14因此在微帶天線

輻射邊的兩側擺放 EBG 結構以抑制其傳遞有效改善天線輻射場型首先使

用理想的 PMC 在天線輻射邊兩側包覆如圖 3-15對於 PMC 覆蓋面積的大小作一

探討變化 PMC 之覆蓋面積了解其對天線輻射場型的影響在邊射(broadside)

方向的輻射場型可以有效改善波紋讓旁波瓣(sidelobe)大幅度降低如圖 3-16

所示以兩列 PMC 可以達到較佳效果再增加一列 PMC 雖些許增加增益不

過 PMC 覆蓋的面積已達飽和因此從上述可知在結合 EBG 和微帶天線時

將有一最佳之覆蓋面積使用最適當之晶胞數來達到最佳的增益改善

圖 3-14表面波在介質空間中分布

36

圖 3-15輻射邊兩側包覆 PMC

圖 3-16輻射邊兩側包覆 PMC 之輻射場型比較

37

參考天線 一列 PMC 二列 PMC 三列 PMC

0 度增益 357dBi 528dBi 642dBi 644dBi

增益改善 171dB 285dB 287dB

表 3-2輻射邊兩側包覆 PMC 之增益改善比較

33 電磁帶隙結構結合單一微帶天線

以下將結合所設計之 EBG 結構和微帶天線以改善微帶天線之輻射場型干

擾從前述的探討先以圍繞式包圍天線做輻射場型比較如圖 3-17 所示

圖 3-17天線周圍包覆 EBG 之輻射場型比較

38

0 度增益

Ref patch antenna 357dBi

圍繞 EBG 572dBi

ΔGain 215dB

表 3-3天線周圍包覆 EBG 之增益改善比較

由於表面波之傳遞主要為 X 軸方向因此以 EBG 之較寬頻的維度來抑制 X

方向的表面波其結合方式如下以兩列 EBG 結構與天線結合比較如圖 3-18

圖 3-18輻射邊兩側包覆 EBG 之輻射場型比較

39

0 度增益

Ref patch antenna 357dBi

輻射邊包覆 EBG 577dBi

ΔGain 22dB

表 3-4輻射邊兩側包覆 EBG 之增益改善比較

兩種包覆 EBG 的情形做比較使用輻射邊兩側包覆 EBG 對表面波抑制可以

達到最直接的效果再對接地面做變化令輻射邊到接地面邊緣距離等於 15 倍

空氣中波長邊緣的等效感應磁流干擾最大在垂射(broadside)方向造成 30 度到

60 度的旁波瓣將晶胞數加到三列使得輻射場型能有最佳效果如圖 3-19 所示

圖 3-19較大接地面應用更多晶胞數改善輻射場型圖

40

34 電磁帶隙結構結合微帶天線陣列

第二章敘述之高增益天線陣列由於在 E-plane 產生較大之旁波瓣因此論

文將結合 EBG 結構與天線陣列改善輻射場型以符合 ETSI-TS2 規範要求

對原本的天線陣列與改善後的天線陣列作一比較如圖 3-20 為天線結構示意圖

俯視圖 yz 切面為表面波影響較大的面因此我們在 E-plane 兩側包覆 EBG使

用三列的 EBG 週期結構另外圖 3-21 為(a)34GHz(b)355GHz(c)37GHz

輻射場型在 E-plane 的改善比較可以發現在(a)跟(b)改善的效果特別明顯旁波

瓣減弱許多而(c)原本旁波瓣就不大所以改善較不明顯再跟 ETSI-mask 做

比較如圖 3-22改善後的天線陣列距離輻射場型標準線有較大之安全距離對實

作上的誤差影響會比較小以下針對輻射場型做一比較

圖 3-20原始天線陣列與應用 EBG 之天線陣列

41

(a)34GHz E-plane 輻射場型比較

(b)355GHz E-plane 輻射場型比較

(c)37GHz E-plane 輻射場型比較

圖 3-21原始天線陣列與應用 EBG 之天線陣列輻射場型比較

(a)34GHz (b)355GHz (c)37GHz

42

(a)34GHz E-plane

(b)355GHz E-plane

(a)37GHz E-plane

圖 3-22原始天線陣列與應用 EBG 之天線陣列與 ETSI-mask 比較

(a)34GHz (b)355GHz (c)37GHz

43

35 模擬與量測結果比較

由上述模擬的結果進行實作及量測的工作如圖 3-23 為微帶天線結合 EBG

結構的架構表 3-5 列出了板材的規格使用的基板是 FR4 玻璃纖維基板並架高

空氣高度為 5mm

Dielectric constant(topbottom) 44 44

Substrate thickness(topbottom) 08mm 16mm

Loss tangent 002

Air gap 5mm

Upper substrate size 250mm x 200mm

Ground size 300mm x 250mm

表 3-5天線陣列設計參數

圖 3-23應用 EBG 之天線陣列結構圖

44

圖 3-24 為天線陣列在 34GHz355GHz37GHz 的輻射場型從圖中可以

觀察模擬與量測場型蠻相近的

(a)34GHz

(b)355GHz

45

(c)37GHz

圖 3-24天線陣列輻射場型模擬與量測比較

對於其輻射場型的分布需求要符合 ETSI-TS2 的規範以下針對輻射場型與

ETSI-mask 做一比較如圖 3-25 所示從圖中發現實作及量測輻射場型全部

工作頻段都能滿足 mask 要求完成一組高增益天線陣列

(a)34GHz

46

(b)355GHz

(c)37GHz

圖 3-25天線陣列輻射場型與 ETSI-mask 比較

圖 3-26 為天線陣列模擬與量測的反射損耗其工作頻率與設計之天線相去

不遠均包含 34GHz~37GHz頻寬設計較大的原因在於避免外在因素造成的頻

飄量測出來可達 33GHz~39GHz略往高頻飄不過與設計的反射損耗相當接

近圖 3-27 為實際量測的增益對頻率的變化圖其增益的全頻段都能大於

14dBiE-plane 與 H-plane 也較為接近整理數據如表 3-6

47

圖 3-26天線陣列反射損耗模擬與量測比較

圖 3-27天線陣列增益對頻率圖

48

頻率(GHz) 33 34 35 36 37 38

E-plane 增益

(dBi) 1485 1591 1620 1687 1627 1507

H-plane 增益

(dBi) 1421 1565 1598 1629 1607 1518

表 3-6天線陣列增益對頻率表

49

圖 3-28 為實體圖俯視圖側視圖與 EBG 實際大小比較

(a) 俯視圖

(b) 側視圖(空氣高度=05mm)

(c)EBG 實體結構

圖 3-28天線陣列實體圖

50

第四章 結論

(Conclusion)

本論文主要是研究適用於基地台的 WiMAX 頻段高增益天線陣列並控制其

頻寬增益及輻射場型能夠符合 ETSI(European Telecommunication Standards

Institute)的規範在論文第二章中提出的高增益天線陣列是利用一個能量分歧

器把能量等效分成三份的饋入網路接上三組一樣的三元素陣列矩形微帶天線所

組成的天線陣列最高增益可達到 17dBi工作頻率的增益都能超過要求的

14dBi輻射場型符合 ETSI-TS2 規範另外本論文所提出的天線陣列為印刷式

天線不但具有輕量化的特性且大幅降低製作上的困難度也減輕了成本的負擔

透過本論文所設計之 EBG 可有效降低傳統 EBG 結構的製程僅以 FR4 板

材即可自行實作比較無須鉚釘並提出有效提升微帶天線增益的包圍方式在

有限的接地面下可選擇適當的晶胞數來改善天線陣列的輻射場型抑制表面波

對天線的干擾讓邊際效應產生的感應磁流干擾降到最低最後在實作及量測部

分驗證我們模擬的結果

51

參考文獻

[1] W L Stutzman and G A Thiele Antenna Theory and Design 2nd ed New York

Wiley 1998

[2] A Balanis Antenna Theory Analysis and Design New York Wiley 1997

[3] R Gardelli G La Cono and M Albani ldquoA low-cost suspended patch antenna for

WLAN access points and point-to-point linksrdquo IEEE Antennas and Propagat vol

3 no 1 pp 90-93 2004

[4] H F Pues and A R Van de capelle ldquoAn impedance-matching technique for

increasing the bandwidth of microstrip antennasrdquo IEEE Trans on Antennas and

Propagat vol 37 no 11 pp 1345-1354 Nov 1989

[5] Q Song and XndashX Zhang ldquoA study on wideband gap-coupled microstrip antenna

arraysrdquo IEEE Trans On Antennas and Propagat vol 43 no 3 pp 313-317 Mar

1995

[6] D Sievenpiper L Z Romulo F J Broas N G Alexopolous and E Yablonovitch

ldquoHigh-impedance electromagnetic surfaces with a forbidden frequency bandrdquo

IEEE Trans Microwave Theory Tech vol 47 no 11 pp 311-335 Nov 1999

[7] F-R Yang K-P Ma Y Qian and T Itoh ldquo A Uniplanar Compact

Photonic-Bandgap (UC-PBG) Structure and Its Applications for Microwave

Circuitsrdquo IEEE Trans MTT vol 47 Aug 1999

[8] M F Abedin M Z Azad and M Ali ldquo wideband smaller unit-cell planar EBG

structures and their applicationrdquo IEEE Trans On Antenna and Propagat vol 56

no 3 pp 903-908 Mar 2008

[9] I J Bahl and P Bhartia Microstrip Antennas Artech House 1980

[10] JR James and P S Hall Handbook of Microstrip Antennas LondonPeter

Peregrinus Ltd 1989

52

[11] K C Gupta R Garg I J Bahl P Bhartia Microstrip Lines and Slotlines 2nd ed

Norwood MAArtech House 1996

[12] T Namiki Y Murayama and K Ito ldquo Improving radiation-pattern distortion of a

patch antenna having a finite ground planerdquo IEEE Trans On Antenna and

Propagat vol 51 no 3 pp 478-482 Mar 2003

[13] R Coccioli F-R Yang K-P Ma and T Itoh ldquo Aperture-coupled patch antenna

on UC-PBG substraterdquo IEEE Trans Microwave Theory Tech vol 47 no 11 pp

2123-2130 Nov 1999

[14] F Yang and Y Rahmat-samii ldquo Microstrip antenna integrated with

electromagnetic band-gap (EBG) structure a low mutual coupling design for array

applicationrdquo IEEE Trans On Antenna and Propagat vol 51 no 10 pp

2936-2946 Oct2003

[15] Z Iluz R Shavit and R Bauer ldquo Microstrip antenna phased array with

electromagnetic bandgap substraterdquo IEEE Trans On Antenna and Propagat vol

52 no 6 pp 1446-1453 June 2004

  • 封面pdf
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 DEU 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 ESP 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 FRA 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 ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR ltFEFF004200720075006b00200064006900730073006500200069006e006e007300740069006c006c0069006e00670065006e0065002000740069006c002000e50020006f0070007000720065007400740065002000410064006f006200650020005000440046002d0064006f006b0075006d0065006e00740065007200200066006f00720020007500740073006b00720069006600740020006100760020006800f800790020006b00760061006c00690074006500740020007000e500200062006f007200640073006b0072006900760065007200200065006c006c00650072002000700072006f006f006600650072002e0020005000440046002d0064006f006b0075006d0065006e00740065006e00650020006b0061006e002000e50070006e00650073002000690020004100630072006f00620061007400200065006c006c00650072002000410064006f00620065002000520065006100640065007200200035002e003000200065006c006c00650072002000730065006e006500720065002egt PTB ltFEFF005500740069006c0069007a006500200065007300730061007300200063006f006e00660069006700750072006100e700f50065007300200064006500200066006f0072006d00610020006100200063007200690061007200200064006f00630075006d0065006e0074006f0073002000410064006f0062006500200050004400460020007000610072006100200069006d0070007200650073007300f5006500730020006400650020007100750061006c0069006400610064006500200065006d00200069006d00700072006500730073006f0072006100730020006400650073006b0074006f00700020006500200064006900730070006f00730069007400690076006f0073002000640065002000700072006f00760061002e0020004f007300200064006f00630075006d0065006e0074006f00730020005000440046002000630072006900610064006f007300200070006f00640065006d0020007300650072002000610062006500720074006f007300200063006f006d0020006f0020004100630072006f006200610074002000650020006f002000410064006f00620065002000520065006100640065007200200035002e0030002000650020007600650072007300f50065007300200070006f00730074006500720069006f007200650073002egt SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP 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 FRA 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 ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU ltFEFF00560065007200770065006e00640065006e0020005300690065002000640069006500730065002000450069006e007300740065006c006c0075006e00670065006e0020007a0075006d002000450072007300740065006c006c0065006e00200076006f006e002000410064006f006200650020005000440046002d0044006f006b0075006d0065006e00740065006e002c00200076006f006e002000640065006e0065006e002000530069006500200068006f00630068007700650072007400690067006500200044007200750063006b006500200061007500660020004400650073006b0074006f0070002d0044007200750063006b00650072006e00200075006e0064002000500072006f006f0066002d00470065007200e400740065006e002000650072007a0065007500670065006e0020006d00f60063006800740065006e002e002000450072007300740065006c006c007400650020005000440046002d0044006f006b0075006d0065006e007400650020006b00f6006e006e0065006e0020006d006900740020004100630072006f00620061007400200075006e0064002000410064006f00620065002000520065006100640065007200200035002e00300020006f0064006500720020006800f600680065007200200067006500f600660066006e00650074002000770065007200640065006e002egt ESP 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 FRA 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 ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO 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 SVE ltFEFF0041006e007600e4006e00640020006400650020006800e4007200200069006e0073007400e4006c006c006e0069006e006700610072006e00610020006f006d002000640075002000760069006c006c00200073006b006100700061002000410064006f006200650020005000440046002d0064006f006b0075006d0065006e00740020006600f600720020006b00760061006c00690074006500740073007500740073006b0072006900660074006500720020007000e5002000760061006e006c00690067006100200073006b0072006900760061007200650020006f006300680020006600f600720020006b006f007200720065006b007400750072002e002000200053006b006100700061006400650020005000440046002d0064006f006b0075006d0065006e00740020006b0061006e002000f600700070006e00610073002000690020004100630072006f0062006100740020006f00630068002000410064006f00620065002000520065006100640065007200200035002e00300020006f00630068002000730065006e006100720065002egt ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

34

圖 3-13天線周圍包覆 PMC 之輻射場型比較

參考天線 一圈 PMC 二圈 PMC 三圈 PMC

0 度增益 357dBi 432dBi 545dBi 478dBi

增益改善 075dB 188dB 121dB

表 3-1天線周圍包覆 PMC 之增益改善比較

35

323 輻射邊兩側包覆 PMC

由於微帶天線之表面波傳遞方向以 xz 切面為主如圖 3-14因此在微帶天線

輻射邊的兩側擺放 EBG 結構以抑制其傳遞有效改善天線輻射場型首先使

用理想的 PMC 在天線輻射邊兩側包覆如圖 3-15對於 PMC 覆蓋面積的大小作一

探討變化 PMC 之覆蓋面積了解其對天線輻射場型的影響在邊射(broadside)

方向的輻射場型可以有效改善波紋讓旁波瓣(sidelobe)大幅度降低如圖 3-16

所示以兩列 PMC 可以達到較佳效果再增加一列 PMC 雖些許增加增益不

過 PMC 覆蓋的面積已達飽和因此從上述可知在結合 EBG 和微帶天線時

將有一最佳之覆蓋面積使用最適當之晶胞數來達到最佳的增益改善

圖 3-14表面波在介質空間中分布

36

圖 3-15輻射邊兩側包覆 PMC

圖 3-16輻射邊兩側包覆 PMC 之輻射場型比較

37

參考天線 一列 PMC 二列 PMC 三列 PMC

0 度增益 357dBi 528dBi 642dBi 644dBi

增益改善 171dB 285dB 287dB

表 3-2輻射邊兩側包覆 PMC 之增益改善比較

33 電磁帶隙結構結合單一微帶天線

以下將結合所設計之 EBG 結構和微帶天線以改善微帶天線之輻射場型干

擾從前述的探討先以圍繞式包圍天線做輻射場型比較如圖 3-17 所示

圖 3-17天線周圍包覆 EBG 之輻射場型比較

38

0 度增益

Ref patch antenna 357dBi

圍繞 EBG 572dBi

ΔGain 215dB

表 3-3天線周圍包覆 EBG 之增益改善比較

由於表面波之傳遞主要為 X 軸方向因此以 EBG 之較寬頻的維度來抑制 X

方向的表面波其結合方式如下以兩列 EBG 結構與天線結合比較如圖 3-18

圖 3-18輻射邊兩側包覆 EBG 之輻射場型比較

39

0 度增益

Ref patch antenna 357dBi

輻射邊包覆 EBG 577dBi

ΔGain 22dB

表 3-4輻射邊兩側包覆 EBG 之增益改善比較

兩種包覆 EBG 的情形做比較使用輻射邊兩側包覆 EBG 對表面波抑制可以

達到最直接的效果再對接地面做變化令輻射邊到接地面邊緣距離等於 15 倍

空氣中波長邊緣的等效感應磁流干擾最大在垂射(broadside)方向造成 30 度到

60 度的旁波瓣將晶胞數加到三列使得輻射場型能有最佳效果如圖 3-19 所示

圖 3-19較大接地面應用更多晶胞數改善輻射場型圖

40

34 電磁帶隙結構結合微帶天線陣列

第二章敘述之高增益天線陣列由於在 E-plane 產生較大之旁波瓣因此論

文將結合 EBG 結構與天線陣列改善輻射場型以符合 ETSI-TS2 規範要求

對原本的天線陣列與改善後的天線陣列作一比較如圖 3-20 為天線結構示意圖

俯視圖 yz 切面為表面波影響較大的面因此我們在 E-plane 兩側包覆 EBG使

用三列的 EBG 週期結構另外圖 3-21 為(a)34GHz(b)355GHz(c)37GHz

輻射場型在 E-plane 的改善比較可以發現在(a)跟(b)改善的效果特別明顯旁波

瓣減弱許多而(c)原本旁波瓣就不大所以改善較不明顯再跟 ETSI-mask 做

比較如圖 3-22改善後的天線陣列距離輻射場型標準線有較大之安全距離對實

作上的誤差影響會比較小以下針對輻射場型做一比較

圖 3-20原始天線陣列與應用 EBG 之天線陣列

41

(a)34GHz E-plane 輻射場型比較

(b)355GHz E-plane 輻射場型比較

(c)37GHz E-plane 輻射場型比較

圖 3-21原始天線陣列與應用 EBG 之天線陣列輻射場型比較

(a)34GHz (b)355GHz (c)37GHz

42

(a)34GHz E-plane

(b)355GHz E-plane

(a)37GHz E-plane

圖 3-22原始天線陣列與應用 EBG 之天線陣列與 ETSI-mask 比較

(a)34GHz (b)355GHz (c)37GHz

43

35 模擬與量測結果比較

由上述模擬的結果進行實作及量測的工作如圖 3-23 為微帶天線結合 EBG

結構的架構表 3-5 列出了板材的規格使用的基板是 FR4 玻璃纖維基板並架高

空氣高度為 5mm

Dielectric constant(topbottom) 44 44

Substrate thickness(topbottom) 08mm 16mm

Loss tangent 002

Air gap 5mm

Upper substrate size 250mm x 200mm

Ground size 300mm x 250mm

表 3-5天線陣列設計參數

圖 3-23應用 EBG 之天線陣列結構圖

44

圖 3-24 為天線陣列在 34GHz355GHz37GHz 的輻射場型從圖中可以

觀察模擬與量測場型蠻相近的

(a)34GHz

(b)355GHz

45

(c)37GHz

圖 3-24天線陣列輻射場型模擬與量測比較

對於其輻射場型的分布需求要符合 ETSI-TS2 的規範以下針對輻射場型與

ETSI-mask 做一比較如圖 3-25 所示從圖中發現實作及量測輻射場型全部

工作頻段都能滿足 mask 要求完成一組高增益天線陣列

(a)34GHz

46

(b)355GHz

(c)37GHz

圖 3-25天線陣列輻射場型與 ETSI-mask 比較

圖 3-26 為天線陣列模擬與量測的反射損耗其工作頻率與設計之天線相去

不遠均包含 34GHz~37GHz頻寬設計較大的原因在於避免外在因素造成的頻

飄量測出來可達 33GHz~39GHz略往高頻飄不過與設計的反射損耗相當接

近圖 3-27 為實際量測的增益對頻率的變化圖其增益的全頻段都能大於

14dBiE-plane 與 H-plane 也較為接近整理數據如表 3-6

47

圖 3-26天線陣列反射損耗模擬與量測比較

圖 3-27天線陣列增益對頻率圖

48

頻率(GHz) 33 34 35 36 37 38

E-plane 增益

(dBi) 1485 1591 1620 1687 1627 1507

H-plane 增益

(dBi) 1421 1565 1598 1629 1607 1518

表 3-6天線陣列增益對頻率表

49

圖 3-28 為實體圖俯視圖側視圖與 EBG 實際大小比較

(a) 俯視圖

(b) 側視圖(空氣高度=05mm)

(c)EBG 實體結構

圖 3-28天線陣列實體圖

50

第四章 結論

(Conclusion)

本論文主要是研究適用於基地台的 WiMAX 頻段高增益天線陣列並控制其

頻寬增益及輻射場型能夠符合 ETSI(European Telecommunication Standards

Institute)的規範在論文第二章中提出的高增益天線陣列是利用一個能量分歧

器把能量等效分成三份的饋入網路接上三組一樣的三元素陣列矩形微帶天線所

組成的天線陣列最高增益可達到 17dBi工作頻率的增益都能超過要求的

14dBi輻射場型符合 ETSI-TS2 規範另外本論文所提出的天線陣列為印刷式

天線不但具有輕量化的特性且大幅降低製作上的困難度也減輕了成本的負擔

透過本論文所設計之 EBG 可有效降低傳統 EBG 結構的製程僅以 FR4 板

材即可自行實作比較無須鉚釘並提出有效提升微帶天線增益的包圍方式在

有限的接地面下可選擇適當的晶胞數來改善天線陣列的輻射場型抑制表面波

對天線的干擾讓邊際效應產生的感應磁流干擾降到最低最後在實作及量測部

分驗證我們模擬的結果

51

參考文獻

[1] W L Stutzman and G A Thiele Antenna Theory and Design 2nd ed New York

Wiley 1998

[2] A Balanis Antenna Theory Analysis and Design New York Wiley 1997

[3] R Gardelli G La Cono and M Albani ldquoA low-cost suspended patch antenna for

WLAN access points and point-to-point linksrdquo IEEE Antennas and Propagat vol

3 no 1 pp 90-93 2004

[4] H F Pues and A R Van de capelle ldquoAn impedance-matching technique for

increasing the bandwidth of microstrip antennasrdquo IEEE Trans on Antennas and

Propagat vol 37 no 11 pp 1345-1354 Nov 1989

[5] Q Song and XndashX Zhang ldquoA study on wideband gap-coupled microstrip antenna

arraysrdquo IEEE Trans On Antennas and Propagat vol 43 no 3 pp 313-317 Mar

1995

[6] D Sievenpiper L Z Romulo F J Broas N G Alexopolous and E Yablonovitch

ldquoHigh-impedance electromagnetic surfaces with a forbidden frequency bandrdquo

IEEE Trans Microwave Theory Tech vol 47 no 11 pp 311-335 Nov 1999

[7] F-R Yang K-P Ma Y Qian and T Itoh ldquo A Uniplanar Compact

Photonic-Bandgap (UC-PBG) Structure and Its Applications for Microwave

Circuitsrdquo IEEE Trans MTT vol 47 Aug 1999

[8] M F Abedin M Z Azad and M Ali ldquo wideband smaller unit-cell planar EBG

structures and their applicationrdquo IEEE Trans On Antenna and Propagat vol 56

no 3 pp 903-908 Mar 2008

[9] I J Bahl and P Bhartia Microstrip Antennas Artech House 1980

[10] JR James and P S Hall Handbook of Microstrip Antennas LondonPeter

Peregrinus Ltd 1989

52

[11] K C Gupta R Garg I J Bahl P Bhartia Microstrip Lines and Slotlines 2nd ed

Norwood MAArtech House 1996

[12] T Namiki Y Murayama and K Ito ldquo Improving radiation-pattern distortion of a

patch antenna having a finite ground planerdquo IEEE Trans On Antenna and

Propagat vol 51 no 3 pp 478-482 Mar 2003

[13] R Coccioli F-R Yang K-P Ma and T Itoh ldquo Aperture-coupled patch antenna

on UC-PBG substraterdquo IEEE Trans Microwave Theory Tech vol 47 no 11 pp

2123-2130 Nov 1999

[14] F Yang and Y Rahmat-samii ldquo Microstrip antenna integrated with

electromagnetic band-gap (EBG) structure a low mutual coupling design for array

applicationrdquo IEEE Trans On Antenna and Propagat vol 51 no 10 pp

2936-2946 Oct2003

[15] Z Iluz R Shavit and R Bauer ldquo Microstrip antenna phased array with

electromagnetic bandgap substraterdquo IEEE Trans On Antenna and Propagat vol

52 no 6 pp 1446-1453 June 2004

  • 封面pdf
  • 摘要與目錄pdf
  • 論文_終稿_pdf
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 DEU 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 ESP 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FRA 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ltFEFF9ad854c18cea51fa529b7528002000410064006f0062006500200050004400460020658766f8306e4f5c6210306b4f7f75283057307e30593002537052376642306e753b8cea3092670059279650306b4fdd306430533068304c3067304d307e3059300230c730b930af30c830c330d730d730ea30f330bf3067306e53705237307e305f306f30d730eb30fc30d57528306b9069305730663044307e305930023053306e8a2d5b9a30674f5c62103055308c305f0020005000440046002030d530a130a430eb306f3001004100630072006f0062006100740020304a30883073002000410064006f00620065002000520065006100640065007200200035002e003000204ee5964d3067958b304f30533068304c3067304d307e30593002gt KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO ltFEFF004b00e40079007400e40020006e00e40069007400e4002000610073006500740075006b007300690061002c0020006b0075006e0020006c0075006f0074002000410064006f0062006500200050004400460020002d0064006f006b0075006d0065006e007400740065006a00610020006c0061006100640075006b006100730074006100200074007900f6007000f60079007400e400740075006c006f0073007400750073007400610020006a00610020007600650064006f007300740075007300740061002000760061007200740065006e002e00200020004c0075006f0064007500740020005000440046002d0064006f006b0075006d0065006e00740069007400200076006f0069006400610061006e0020006100760061007400610020004100630072006f0062006100740069006c006c00610020006a0061002000410064006f00620065002000520065006100640065007200200035002e0030003a006c006c00610020006a006100200075007500640065006d006d0069006c006c0061002egt SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN ltFEFF004200720075006700200069006e0064007300740069006c006c0069006e006700650072006e0065002000740069006c0020006100740020006f007000720065007400740065002000410064006f006200650020005000440046002d0064006f006b0075006d0065006e007400650072002000740069006c0020006b00760061006c00690074006500740073007500640073006b007200690076006e0069006e006700200065006c006c006500720020006b006f007200720065006b007400750072006c00e60073006e0069006e0067002e0020004400650020006f007000720065007400740065006400650020005000440046002d0064006f006b0075006d0065006e0074006500720020006b0061006e002000e50062006e00650073002000690020004100630072006f00620061007400200065006c006c006500720020004100630072006f006200610074002000520065006100640065007200200035002e00300020006f00670020006e0079006500720065002egt DEU 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 ESP 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 FRA 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 ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK 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ESP 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FRA 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 KOR 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ltFEFF004b00e40079007400e40020006e00e40069007400e4002000610073006500740075006b007300690061002c0020006b0075006e0020006c0075006f0074002000410064006f0062006500200050004400460020002d0064006f006b0075006d0065006e007400740065006a00610020006c0061006100640075006b006100730074006100200074007900f6007000f60079007400e400740075006c006f0073007400750073007400610020006a00610020007600650064006f007300740075007300740061002000760061007200740065006e002e00200020004c0075006f0064007500740020005000440046002d0064006f006b0075006d0065006e00740069007400200076006f0069006400610061006e0020006100760061007400610020004100630072006f0062006100740069006c006c00610020006a0061002000410064006f00620065002000520065006100640065007200200035002e0030003a006c006c00610020006a006100200075007500640065006d006d0069006c006c0061002egt SVE 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50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

35

323 輻射邊兩側包覆 PMC

由於微帶天線之表面波傳遞方向以 xz 切面為主如圖 3-14因此在微帶天線

輻射邊的兩側擺放 EBG 結構以抑制其傳遞有效改善天線輻射場型首先使

用理想的 PMC 在天線輻射邊兩側包覆如圖 3-15對於 PMC 覆蓋面積的大小作一

探討變化 PMC 之覆蓋面積了解其對天線輻射場型的影響在邊射(broadside)

方向的輻射場型可以有效改善波紋讓旁波瓣(sidelobe)大幅度降低如圖 3-16

所示以兩列 PMC 可以達到較佳效果再增加一列 PMC 雖些許增加增益不

過 PMC 覆蓋的面積已達飽和因此從上述可知在結合 EBG 和微帶天線時

將有一最佳之覆蓋面積使用最適當之晶胞數來達到最佳的增益改善

圖 3-14表面波在介質空間中分布

36

圖 3-15輻射邊兩側包覆 PMC

圖 3-16輻射邊兩側包覆 PMC 之輻射場型比較

37

參考天線 一列 PMC 二列 PMC 三列 PMC

0 度增益 357dBi 528dBi 642dBi 644dBi

增益改善 171dB 285dB 287dB

表 3-2輻射邊兩側包覆 PMC 之增益改善比較

33 電磁帶隙結構結合單一微帶天線

以下將結合所設計之 EBG 結構和微帶天線以改善微帶天線之輻射場型干

擾從前述的探討先以圍繞式包圍天線做輻射場型比較如圖 3-17 所示

圖 3-17天線周圍包覆 EBG 之輻射場型比較

38

0 度增益

Ref patch antenna 357dBi

圍繞 EBG 572dBi

ΔGain 215dB

表 3-3天線周圍包覆 EBG 之增益改善比較

由於表面波之傳遞主要為 X 軸方向因此以 EBG 之較寬頻的維度來抑制 X

方向的表面波其結合方式如下以兩列 EBG 結構與天線結合比較如圖 3-18

圖 3-18輻射邊兩側包覆 EBG 之輻射場型比較

39

0 度增益

Ref patch antenna 357dBi

輻射邊包覆 EBG 577dBi

ΔGain 22dB

表 3-4輻射邊兩側包覆 EBG 之增益改善比較

兩種包覆 EBG 的情形做比較使用輻射邊兩側包覆 EBG 對表面波抑制可以

達到最直接的效果再對接地面做變化令輻射邊到接地面邊緣距離等於 15 倍

空氣中波長邊緣的等效感應磁流干擾最大在垂射(broadside)方向造成 30 度到

60 度的旁波瓣將晶胞數加到三列使得輻射場型能有最佳效果如圖 3-19 所示

圖 3-19較大接地面應用更多晶胞數改善輻射場型圖

40

34 電磁帶隙結構結合微帶天線陣列

第二章敘述之高增益天線陣列由於在 E-plane 產生較大之旁波瓣因此論

文將結合 EBG 結構與天線陣列改善輻射場型以符合 ETSI-TS2 規範要求

對原本的天線陣列與改善後的天線陣列作一比較如圖 3-20 為天線結構示意圖

俯視圖 yz 切面為表面波影響較大的面因此我們在 E-plane 兩側包覆 EBG使

用三列的 EBG 週期結構另外圖 3-21 為(a)34GHz(b)355GHz(c)37GHz

輻射場型在 E-plane 的改善比較可以發現在(a)跟(b)改善的效果特別明顯旁波

瓣減弱許多而(c)原本旁波瓣就不大所以改善較不明顯再跟 ETSI-mask 做

比較如圖 3-22改善後的天線陣列距離輻射場型標準線有較大之安全距離對實

作上的誤差影響會比較小以下針對輻射場型做一比較

圖 3-20原始天線陣列與應用 EBG 之天線陣列

41

(a)34GHz E-plane 輻射場型比較

(b)355GHz E-plane 輻射場型比較

(c)37GHz E-plane 輻射場型比較

圖 3-21原始天線陣列與應用 EBG 之天線陣列輻射場型比較

(a)34GHz (b)355GHz (c)37GHz

42

(a)34GHz E-plane

(b)355GHz E-plane

(a)37GHz E-plane

圖 3-22原始天線陣列與應用 EBG 之天線陣列與 ETSI-mask 比較

(a)34GHz (b)355GHz (c)37GHz

43

35 模擬與量測結果比較

由上述模擬的結果進行實作及量測的工作如圖 3-23 為微帶天線結合 EBG

結構的架構表 3-5 列出了板材的規格使用的基板是 FR4 玻璃纖維基板並架高

空氣高度為 5mm

Dielectric constant(topbottom) 44 44

Substrate thickness(topbottom) 08mm 16mm

Loss tangent 002

Air gap 5mm

Upper substrate size 250mm x 200mm

Ground size 300mm x 250mm

表 3-5天線陣列設計參數

圖 3-23應用 EBG 之天線陣列結構圖

44

圖 3-24 為天線陣列在 34GHz355GHz37GHz 的輻射場型從圖中可以

觀察模擬與量測場型蠻相近的

(a)34GHz

(b)355GHz

45

(c)37GHz

圖 3-24天線陣列輻射場型模擬與量測比較

對於其輻射場型的分布需求要符合 ETSI-TS2 的規範以下針對輻射場型與

ETSI-mask 做一比較如圖 3-25 所示從圖中發現實作及量測輻射場型全部

工作頻段都能滿足 mask 要求完成一組高增益天線陣列

(a)34GHz

46

(b)355GHz

(c)37GHz

圖 3-25天線陣列輻射場型與 ETSI-mask 比較

圖 3-26 為天線陣列模擬與量測的反射損耗其工作頻率與設計之天線相去

不遠均包含 34GHz~37GHz頻寬設計較大的原因在於避免外在因素造成的頻

飄量測出來可達 33GHz~39GHz略往高頻飄不過與設計的反射損耗相當接

近圖 3-27 為實際量測的增益對頻率的變化圖其增益的全頻段都能大於

14dBiE-plane 與 H-plane 也較為接近整理數據如表 3-6

47

圖 3-26天線陣列反射損耗模擬與量測比較

圖 3-27天線陣列增益對頻率圖

48

頻率(GHz) 33 34 35 36 37 38

E-plane 增益

(dBi) 1485 1591 1620 1687 1627 1507

H-plane 增益

(dBi) 1421 1565 1598 1629 1607 1518

表 3-6天線陣列增益對頻率表

49

圖 3-28 為實體圖俯視圖側視圖與 EBG 實際大小比較

(a) 俯視圖

(b) 側視圖(空氣高度=05mm)

(c)EBG 實體結構

圖 3-28天線陣列實體圖

50

第四章 結論

(Conclusion)

本論文主要是研究適用於基地台的 WiMAX 頻段高增益天線陣列並控制其

頻寬增益及輻射場型能夠符合 ETSI(European Telecommunication Standards

Institute)的規範在論文第二章中提出的高增益天線陣列是利用一個能量分歧

器把能量等效分成三份的饋入網路接上三組一樣的三元素陣列矩形微帶天線所

組成的天線陣列最高增益可達到 17dBi工作頻率的增益都能超過要求的

14dBi輻射場型符合 ETSI-TS2 規範另外本論文所提出的天線陣列為印刷式

天線不但具有輕量化的特性且大幅降低製作上的困難度也減輕了成本的負擔

透過本論文所設計之 EBG 可有效降低傳統 EBG 結構的製程僅以 FR4 板

材即可自行實作比較無須鉚釘並提出有效提升微帶天線增益的包圍方式在

有限的接地面下可選擇適當的晶胞數來改善天線陣列的輻射場型抑制表面波

對天線的干擾讓邊際效應產生的感應磁流干擾降到最低最後在實作及量測部

分驗證我們模擬的結果

51

參考文獻

[1] W L Stutzman and G A Thiele Antenna Theory and Design 2nd ed New York

Wiley 1998

[2] A Balanis Antenna Theory Analysis and Design New York Wiley 1997

[3] R Gardelli G La Cono and M Albani ldquoA low-cost suspended patch antenna for

WLAN access points and point-to-point linksrdquo IEEE Antennas and Propagat vol

3 no 1 pp 90-93 2004

[4] H F Pues and A R Van de capelle ldquoAn impedance-matching technique for

increasing the bandwidth of microstrip antennasrdquo IEEE Trans on Antennas and

Propagat vol 37 no 11 pp 1345-1354 Nov 1989

[5] Q Song and XndashX Zhang ldquoA study on wideband gap-coupled microstrip antenna

arraysrdquo IEEE Trans On Antennas and Propagat vol 43 no 3 pp 313-317 Mar

1995

[6] D Sievenpiper L Z Romulo F J Broas N G Alexopolous and E Yablonovitch

ldquoHigh-impedance electromagnetic surfaces with a forbidden frequency bandrdquo

IEEE Trans Microwave Theory Tech vol 47 no 11 pp 311-335 Nov 1999

[7] F-R Yang K-P Ma Y Qian and T Itoh ldquo A Uniplanar Compact

Photonic-Bandgap (UC-PBG) Structure and Its Applications for Microwave

Circuitsrdquo IEEE Trans MTT vol 47 Aug 1999

[8] M F Abedin M Z Azad and M Ali ldquo wideband smaller unit-cell planar EBG

structures and their applicationrdquo IEEE Trans On Antenna and Propagat vol 56

no 3 pp 903-908 Mar 2008

[9] I J Bahl and P Bhartia Microstrip Antennas Artech House 1980

[10] JR James and P S Hall Handbook of Microstrip Antennas LondonPeter

Peregrinus Ltd 1989

52

[11] K C Gupta R Garg I J Bahl P Bhartia Microstrip Lines and Slotlines 2nd ed

Norwood MAArtech House 1996

[12] T Namiki Y Murayama and K Ito ldquo Improving radiation-pattern distortion of a

patch antenna having a finite ground planerdquo IEEE Trans On Antenna and

Propagat vol 51 no 3 pp 478-482 Mar 2003

[13] R Coccioli F-R Yang K-P Ma and T Itoh ldquo Aperture-coupled patch antenna

on UC-PBG substraterdquo IEEE Trans Microwave Theory Tech vol 47 no 11 pp

2123-2130 Nov 1999

[14] F Yang and Y Rahmat-samii ldquo Microstrip antenna integrated with

electromagnetic band-gap (EBG) structure a low mutual coupling design for array

applicationrdquo IEEE Trans On Antenna and Propagat vol 51 no 10 pp

2936-2946 Oct2003

[15] Z Iluz R Shavit and R Bauer ldquo Microstrip antenna phased array with

electromagnetic bandgap substraterdquo IEEE Trans On Antenna and Propagat vol

52 no 6 pp 1446-1453 June 2004

  • 封面pdf
  • 摘要與目錄pdf
  • 論文_終稿_pdf
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false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU ltFEFF00560065007200770065006e00640065006e0020005300690065002000640069006500730065002000450069006e007300740065006c006c0075006e00670065006e0020007a0075006d002000450072007300740065006c006c0065006e00200076006f006e002000410064006f006200650020005000440046002d0044006f006b0075006d0065006e00740065006e002c00200076006f006e002000640065006e0065006e002000530069006500200068006f00630068007700650072007400690067006500200044007200750063006b006500200061007500660020004400650073006b0074006f0070002d0044007200750063006b00650072006e00200075006e0064002000500072006f006f0066002d00470065007200e400740065006e002000650072007a0065007500670065006e0020006d00f60063006800740065006e002e002000450072007300740065006c006c007400650020005000440046002d0044006f006b0075006d0065006e007400650020006b00f6006e006e0065006e0020006d006900740020004100630072006f00620061007400200075006e0064002000410064006f00620065002000520065006100640065007200200035002e00300020006f0064006500720020006800f600680065007200200067006500f600660066006e00650074002000770065007200640065006e002egt ESP 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 FRA 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 ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO 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 SVE ltFEFF0041006e007600e4006e00640020006400650020006800e4007200200069006e0073007400e4006c006c006e0069006e006700610072006e00610020006f006d002000640075002000760069006c006c00200073006b006100700061002000410064006f006200650020005000440046002d0064006f006b0075006d0065006e00740020006600f600720020006b00760061006c00690074006500740073007500740073006b0072006900660074006500720020007000e5002000760061006e006c00690067006100200073006b0072006900760061007200650020006f006300680020006600f600720020006b006f007200720065006b007400750072002e002000200053006b006100700061006400650020005000440046002d0064006f006b0075006d0065006e00740020006b0061006e002000f600700070006e00610073002000690020004100630072006f0062006100740020006f00630068002000410064006f00620065002000520065006100640065007200200035002e00300020006f00630068002000730065006e006100720065002egt ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP 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 FRA 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50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged 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36

圖 3-15輻射邊兩側包覆 PMC

圖 3-16輻射邊兩側包覆 PMC 之輻射場型比較

37

參考天線 一列 PMC 二列 PMC 三列 PMC

0 度增益 357dBi 528dBi 642dBi 644dBi

增益改善 171dB 285dB 287dB

表 3-2輻射邊兩側包覆 PMC 之增益改善比較

33 電磁帶隙結構結合單一微帶天線

以下將結合所設計之 EBG 結構和微帶天線以改善微帶天線之輻射場型干

擾從前述的探討先以圍繞式包圍天線做輻射場型比較如圖 3-17 所示

圖 3-17天線周圍包覆 EBG 之輻射場型比較

38

0 度增益

Ref patch antenna 357dBi

圍繞 EBG 572dBi

ΔGain 215dB

表 3-3天線周圍包覆 EBG 之增益改善比較

由於表面波之傳遞主要為 X 軸方向因此以 EBG 之較寬頻的維度來抑制 X

方向的表面波其結合方式如下以兩列 EBG 結構與天線結合比較如圖 3-18

圖 3-18輻射邊兩側包覆 EBG 之輻射場型比較

39

0 度增益

Ref patch antenna 357dBi

輻射邊包覆 EBG 577dBi

ΔGain 22dB

表 3-4輻射邊兩側包覆 EBG 之增益改善比較

兩種包覆 EBG 的情形做比較使用輻射邊兩側包覆 EBG 對表面波抑制可以

達到最直接的效果再對接地面做變化令輻射邊到接地面邊緣距離等於 15 倍

空氣中波長邊緣的等效感應磁流干擾最大在垂射(broadside)方向造成 30 度到

60 度的旁波瓣將晶胞數加到三列使得輻射場型能有最佳效果如圖 3-19 所示

圖 3-19較大接地面應用更多晶胞數改善輻射場型圖

40

34 電磁帶隙結構結合微帶天線陣列

第二章敘述之高增益天線陣列由於在 E-plane 產生較大之旁波瓣因此論

文將結合 EBG 結構與天線陣列改善輻射場型以符合 ETSI-TS2 規範要求

對原本的天線陣列與改善後的天線陣列作一比較如圖 3-20 為天線結構示意圖

俯視圖 yz 切面為表面波影響較大的面因此我們在 E-plane 兩側包覆 EBG使

用三列的 EBG 週期結構另外圖 3-21 為(a)34GHz(b)355GHz(c)37GHz

輻射場型在 E-plane 的改善比較可以發現在(a)跟(b)改善的效果特別明顯旁波

瓣減弱許多而(c)原本旁波瓣就不大所以改善較不明顯再跟 ETSI-mask 做

比較如圖 3-22改善後的天線陣列距離輻射場型標準線有較大之安全距離對實

作上的誤差影響會比較小以下針對輻射場型做一比較

圖 3-20原始天線陣列與應用 EBG 之天線陣列

41

(a)34GHz E-plane 輻射場型比較

(b)355GHz E-plane 輻射場型比較

(c)37GHz E-plane 輻射場型比較

圖 3-21原始天線陣列與應用 EBG 之天線陣列輻射場型比較

(a)34GHz (b)355GHz (c)37GHz

42

(a)34GHz E-plane

(b)355GHz E-plane

(a)37GHz E-plane

圖 3-22原始天線陣列與應用 EBG 之天線陣列與 ETSI-mask 比較

(a)34GHz (b)355GHz (c)37GHz

43

35 模擬與量測結果比較

由上述模擬的結果進行實作及量測的工作如圖 3-23 為微帶天線結合 EBG

結構的架構表 3-5 列出了板材的規格使用的基板是 FR4 玻璃纖維基板並架高

空氣高度為 5mm

Dielectric constant(topbottom) 44 44

Substrate thickness(topbottom) 08mm 16mm

Loss tangent 002

Air gap 5mm

Upper substrate size 250mm x 200mm

Ground size 300mm x 250mm

表 3-5天線陣列設計參數

圖 3-23應用 EBG 之天線陣列結構圖

44

圖 3-24 為天線陣列在 34GHz355GHz37GHz 的輻射場型從圖中可以

觀察模擬與量測場型蠻相近的

(a)34GHz

(b)355GHz

45

(c)37GHz

圖 3-24天線陣列輻射場型模擬與量測比較

對於其輻射場型的分布需求要符合 ETSI-TS2 的規範以下針對輻射場型與

ETSI-mask 做一比較如圖 3-25 所示從圖中發現實作及量測輻射場型全部

工作頻段都能滿足 mask 要求完成一組高增益天線陣列

(a)34GHz

46

(b)355GHz

(c)37GHz

圖 3-25天線陣列輻射場型與 ETSI-mask 比較

圖 3-26 為天線陣列模擬與量測的反射損耗其工作頻率與設計之天線相去

不遠均包含 34GHz~37GHz頻寬設計較大的原因在於避免外在因素造成的頻

飄量測出來可達 33GHz~39GHz略往高頻飄不過與設計的反射損耗相當接

近圖 3-27 為實際量測的增益對頻率的變化圖其增益的全頻段都能大於

14dBiE-plane 與 H-plane 也較為接近整理數據如表 3-6

47

圖 3-26天線陣列反射損耗模擬與量測比較

圖 3-27天線陣列增益對頻率圖

48

頻率(GHz) 33 34 35 36 37 38

E-plane 增益

(dBi) 1485 1591 1620 1687 1627 1507

H-plane 增益

(dBi) 1421 1565 1598 1629 1607 1518

表 3-6天線陣列增益對頻率表

49

圖 3-28 為實體圖俯視圖側視圖與 EBG 實際大小比較

(a) 俯視圖

(b) 側視圖(空氣高度=05mm)

(c)EBG 實體結構

圖 3-28天線陣列實體圖

50

第四章 結論

(Conclusion)

本論文主要是研究適用於基地台的 WiMAX 頻段高增益天線陣列並控制其

頻寬增益及輻射場型能夠符合 ETSI(European Telecommunication Standards

Institute)的規範在論文第二章中提出的高增益天線陣列是利用一個能量分歧

器把能量等效分成三份的饋入網路接上三組一樣的三元素陣列矩形微帶天線所

組成的天線陣列最高增益可達到 17dBi工作頻率的增益都能超過要求的

14dBi輻射場型符合 ETSI-TS2 規範另外本論文所提出的天線陣列為印刷式

天線不但具有輕量化的特性且大幅降低製作上的困難度也減輕了成本的負擔

透過本論文所設計之 EBG 可有效降低傳統 EBG 結構的製程僅以 FR4 板

材即可自行實作比較無須鉚釘並提出有效提升微帶天線增益的包圍方式在

有限的接地面下可選擇適當的晶胞數來改善天線陣列的輻射場型抑制表面波

對天線的干擾讓邊際效應產生的感應磁流干擾降到最低最後在實作及量測部

分驗證我們模擬的結果

51

參考文獻

[1] W L Stutzman and G A Thiele Antenna Theory and Design 2nd ed New York

Wiley 1998

[2] A Balanis Antenna Theory Analysis and Design New York Wiley 1997

[3] R Gardelli G La Cono and M Albani ldquoA low-cost suspended patch antenna for

WLAN access points and point-to-point linksrdquo IEEE Antennas and Propagat vol

3 no 1 pp 90-93 2004

[4] H F Pues and A R Van de capelle ldquoAn impedance-matching technique for

increasing the bandwidth of microstrip antennasrdquo IEEE Trans on Antennas and

Propagat vol 37 no 11 pp 1345-1354 Nov 1989

[5] Q Song and XndashX Zhang ldquoA study on wideband gap-coupled microstrip antenna

arraysrdquo IEEE Trans On Antennas and Propagat vol 43 no 3 pp 313-317 Mar

1995

[6] D Sievenpiper L Z Romulo F J Broas N G Alexopolous and E Yablonovitch

ldquoHigh-impedance electromagnetic surfaces with a forbidden frequency bandrdquo

IEEE Trans Microwave Theory Tech vol 47 no 11 pp 311-335 Nov 1999

[7] F-R Yang K-P Ma Y Qian and T Itoh ldquo A Uniplanar Compact

Photonic-Bandgap (UC-PBG) Structure and Its Applications for Microwave

Circuitsrdquo IEEE Trans MTT vol 47 Aug 1999

[8] M F Abedin M Z Azad and M Ali ldquo wideband smaller unit-cell planar EBG

structures and their applicationrdquo IEEE Trans On Antenna and Propagat vol 56

no 3 pp 903-908 Mar 2008

[9] I J Bahl and P Bhartia Microstrip Antennas Artech House 1980

[10] JR James and P S Hall Handbook of Microstrip Antennas LondonPeter

Peregrinus Ltd 1989

52

[11] K C Gupta R Garg I J Bahl P Bhartia Microstrip Lines and Slotlines 2nd ed

Norwood MAArtech House 1996

[12] T Namiki Y Murayama and K Ito ldquo Improving radiation-pattern distortion of a

patch antenna having a finite ground planerdquo IEEE Trans On Antenna and

Propagat vol 51 no 3 pp 478-482 Mar 2003

[13] R Coccioli F-R Yang K-P Ma and T Itoh ldquo Aperture-coupled patch antenna

on UC-PBG substraterdquo IEEE Trans Microwave Theory Tech vol 47 no 11 pp

2123-2130 Nov 1999

[14] F Yang and Y Rahmat-samii ldquo Microstrip antenna integrated with

electromagnetic band-gap (EBG) structure a low mutual coupling design for array

applicationrdquo IEEE Trans On Antenna and Propagat vol 51 no 10 pp

2936-2946 Oct2003

[15] Z Iluz R Shavit and R Bauer ldquo Microstrip antenna phased array with

electromagnetic bandgap substraterdquo IEEE Trans On Antenna and Propagat vol

52 no 6 pp 1446-1453 June 2004

  • 封面pdf
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false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP 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 FRA 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 ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB ltFEFF005500740069006c0069007a006500200065007300730061007300200063006f006e00660069006700750072006100e700f50065007300200064006500200066006f0072006d00610020006100200063007200690061007200200064006f00630075006d0065006e0074006f0073002000410064006f0062006500200050004400460020007000610072006100200069006d0070007200650073007300f5006500730020006400650020007100750061006c0069006400610064006500200065006d00200069006d00700072006500730073006f0072006100730020006400650073006b0074006f00700020006500200064006900730070006f00730069007400690076006f0073002000640065002000700072006f00760061002e0020004f007300200064006f00630075006d0065006e0074006f00730020005000440046002000630072006900610064006f007300200070006f00640065006d0020007300650072002000610062006500720074006f007300200063006f006d0020006f0020004100630072006f006200610074002000650020006f002000410064006f00620065002000520065006100640065007200200035002e0030002000650020007600650072007300f50065007300200070006f00730074006500720069006f007200650073002egt SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP 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 FRA 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 ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP 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 FRA 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 ITA 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 JPN ltFEFF9ad854c18cea51fa529b7528002000410064006f0062006500200050004400460020658766f8306e4f5c6210306b4f7f75283057307e30593002537052376642306e753b8cea3092670059279650306b4fdd306430533068304c3067304d307e3059300230c730b930af30c830c330d730d730ea30f330bf3067306e53705237307e305f306f30d730eb30fc30d57528306b9069305730663044307e305930023053306e8a2d5b9a30674f5c62103055308c305f0020005000440046002030d530a130a430eb306f3001004100630072006f0062006100740020304a30883073002000410064006f00620065002000520065006100640065007200200035002e003000204ee5964d3067958b304f30533068304c3067304d307e30593002gt KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged 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37

參考天線 一列 PMC 二列 PMC 三列 PMC

0 度增益 357dBi 528dBi 642dBi 644dBi

增益改善 171dB 285dB 287dB

表 3-2輻射邊兩側包覆 PMC 之增益改善比較

33 電磁帶隙結構結合單一微帶天線

以下將結合所設計之 EBG 結構和微帶天線以改善微帶天線之輻射場型干

擾從前述的探討先以圍繞式包圍天線做輻射場型比較如圖 3-17 所示

圖 3-17天線周圍包覆 EBG 之輻射場型比較

38

0 度增益

Ref patch antenna 357dBi

圍繞 EBG 572dBi

ΔGain 215dB

表 3-3天線周圍包覆 EBG 之增益改善比較

由於表面波之傳遞主要為 X 軸方向因此以 EBG 之較寬頻的維度來抑制 X

方向的表面波其結合方式如下以兩列 EBG 結構與天線結合比較如圖 3-18

圖 3-18輻射邊兩側包覆 EBG 之輻射場型比較

39

0 度增益

Ref patch antenna 357dBi

輻射邊包覆 EBG 577dBi

ΔGain 22dB

表 3-4輻射邊兩側包覆 EBG 之增益改善比較

兩種包覆 EBG 的情形做比較使用輻射邊兩側包覆 EBG 對表面波抑制可以

達到最直接的效果再對接地面做變化令輻射邊到接地面邊緣距離等於 15 倍

空氣中波長邊緣的等效感應磁流干擾最大在垂射(broadside)方向造成 30 度到

60 度的旁波瓣將晶胞數加到三列使得輻射場型能有最佳效果如圖 3-19 所示

圖 3-19較大接地面應用更多晶胞數改善輻射場型圖

40

34 電磁帶隙結構結合微帶天線陣列

第二章敘述之高增益天線陣列由於在 E-plane 產生較大之旁波瓣因此論

文將結合 EBG 結構與天線陣列改善輻射場型以符合 ETSI-TS2 規範要求

對原本的天線陣列與改善後的天線陣列作一比較如圖 3-20 為天線結構示意圖

俯視圖 yz 切面為表面波影響較大的面因此我們在 E-plane 兩側包覆 EBG使

用三列的 EBG 週期結構另外圖 3-21 為(a)34GHz(b)355GHz(c)37GHz

輻射場型在 E-plane 的改善比較可以發現在(a)跟(b)改善的效果特別明顯旁波

瓣減弱許多而(c)原本旁波瓣就不大所以改善較不明顯再跟 ETSI-mask 做

比較如圖 3-22改善後的天線陣列距離輻射場型標準線有較大之安全距離對實

作上的誤差影響會比較小以下針對輻射場型做一比較

圖 3-20原始天線陣列與應用 EBG 之天線陣列

41

(a)34GHz E-plane 輻射場型比較

(b)355GHz E-plane 輻射場型比較

(c)37GHz E-plane 輻射場型比較

圖 3-21原始天線陣列與應用 EBG 之天線陣列輻射場型比較

(a)34GHz (b)355GHz (c)37GHz

42

(a)34GHz E-plane

(b)355GHz E-plane

(a)37GHz E-plane

圖 3-22原始天線陣列與應用 EBG 之天線陣列與 ETSI-mask 比較

(a)34GHz (b)355GHz (c)37GHz

43

35 模擬與量測結果比較

由上述模擬的結果進行實作及量測的工作如圖 3-23 為微帶天線結合 EBG

結構的架構表 3-5 列出了板材的規格使用的基板是 FR4 玻璃纖維基板並架高

空氣高度為 5mm

Dielectric constant(topbottom) 44 44

Substrate thickness(topbottom) 08mm 16mm

Loss tangent 002

Air gap 5mm

Upper substrate size 250mm x 200mm

Ground size 300mm x 250mm

表 3-5天線陣列設計參數

圖 3-23應用 EBG 之天線陣列結構圖

44

圖 3-24 為天線陣列在 34GHz355GHz37GHz 的輻射場型從圖中可以

觀察模擬與量測場型蠻相近的

(a)34GHz

(b)355GHz

45

(c)37GHz

圖 3-24天線陣列輻射場型模擬與量測比較

對於其輻射場型的分布需求要符合 ETSI-TS2 的規範以下針對輻射場型與

ETSI-mask 做一比較如圖 3-25 所示從圖中發現實作及量測輻射場型全部

工作頻段都能滿足 mask 要求完成一組高增益天線陣列

(a)34GHz

46

(b)355GHz

(c)37GHz

圖 3-25天線陣列輻射場型與 ETSI-mask 比較

圖 3-26 為天線陣列模擬與量測的反射損耗其工作頻率與設計之天線相去

不遠均包含 34GHz~37GHz頻寬設計較大的原因在於避免外在因素造成的頻

飄量測出來可達 33GHz~39GHz略往高頻飄不過與設計的反射損耗相當接

近圖 3-27 為實際量測的增益對頻率的變化圖其增益的全頻段都能大於

14dBiE-plane 與 H-plane 也較為接近整理數據如表 3-6

47

圖 3-26天線陣列反射損耗模擬與量測比較

圖 3-27天線陣列增益對頻率圖

48

頻率(GHz) 33 34 35 36 37 38

E-plane 增益

(dBi) 1485 1591 1620 1687 1627 1507

H-plane 增益

(dBi) 1421 1565 1598 1629 1607 1518

表 3-6天線陣列增益對頻率表

49

圖 3-28 為實體圖俯視圖側視圖與 EBG 實際大小比較

(a) 俯視圖

(b) 側視圖(空氣高度=05mm)

(c)EBG 實體結構

圖 3-28天線陣列實體圖

50

第四章 結論

(Conclusion)

本論文主要是研究適用於基地台的 WiMAX 頻段高增益天線陣列並控制其

頻寬增益及輻射場型能夠符合 ETSI(European Telecommunication Standards

Institute)的規範在論文第二章中提出的高增益天線陣列是利用一個能量分歧

器把能量等效分成三份的饋入網路接上三組一樣的三元素陣列矩形微帶天線所

組成的天線陣列最高增益可達到 17dBi工作頻率的增益都能超過要求的

14dBi輻射場型符合 ETSI-TS2 規範另外本論文所提出的天線陣列為印刷式

天線不但具有輕量化的特性且大幅降低製作上的困難度也減輕了成本的負擔

透過本論文所設計之 EBG 可有效降低傳統 EBG 結構的製程僅以 FR4 板

材即可自行實作比較無須鉚釘並提出有效提升微帶天線增益的包圍方式在

有限的接地面下可選擇適當的晶胞數來改善天線陣列的輻射場型抑制表面波

對天線的干擾讓邊際效應產生的感應磁流干擾降到最低最後在實作及量測部

分驗證我們模擬的結果

51

參考文獻

[1] W L Stutzman and G A Thiele Antenna Theory and Design 2nd ed New York

Wiley 1998

[2] A Balanis Antenna Theory Analysis and Design New York Wiley 1997

[3] R Gardelli G La Cono and M Albani ldquoA low-cost suspended patch antenna for

WLAN access points and point-to-point linksrdquo IEEE Antennas and Propagat vol

3 no 1 pp 90-93 2004

[4] H F Pues and A R Van de capelle ldquoAn impedance-matching technique for

increasing the bandwidth of microstrip antennasrdquo IEEE Trans on Antennas and

Propagat vol 37 no 11 pp 1345-1354 Nov 1989

[5] Q Song and XndashX Zhang ldquoA study on wideband gap-coupled microstrip antenna

arraysrdquo IEEE Trans On Antennas and Propagat vol 43 no 3 pp 313-317 Mar

1995

[6] D Sievenpiper L Z Romulo F J Broas N G Alexopolous and E Yablonovitch

ldquoHigh-impedance electromagnetic surfaces with a forbidden frequency bandrdquo

IEEE Trans Microwave Theory Tech vol 47 no 11 pp 311-335 Nov 1999

[7] F-R Yang K-P Ma Y Qian and T Itoh ldquo A Uniplanar Compact

Photonic-Bandgap (UC-PBG) Structure and Its Applications for Microwave

Circuitsrdquo IEEE Trans MTT vol 47 Aug 1999

[8] M F Abedin M Z Azad and M Ali ldquo wideband smaller unit-cell planar EBG

structures and their applicationrdquo IEEE Trans On Antenna and Propagat vol 56

no 3 pp 903-908 Mar 2008

[9] I J Bahl and P Bhartia Microstrip Antennas Artech House 1980

[10] JR James and P S Hall Handbook of Microstrip Antennas LondonPeter

Peregrinus Ltd 1989

52

[11] K C Gupta R Garg I J Bahl P Bhartia Microstrip Lines and Slotlines 2nd ed

Norwood MAArtech House 1996

[12] T Namiki Y Murayama and K Ito ldquo Improving radiation-pattern distortion of a

patch antenna having a finite ground planerdquo IEEE Trans On Antenna and

Propagat vol 51 no 3 pp 478-482 Mar 2003

[13] R Coccioli F-R Yang K-P Ma and T Itoh ldquo Aperture-coupled patch antenna

on UC-PBG substraterdquo IEEE Trans Microwave Theory Tech vol 47 no 11 pp

2123-2130 Nov 1999

[14] F Yang and Y Rahmat-samii ldquo Microstrip antenna integrated with

electromagnetic band-gap (EBG) structure a low mutual coupling design for array

applicationrdquo IEEE Trans On Antenna and Propagat vol 51 no 10 pp

2936-2946 Oct2003

[15] Z Iluz R Shavit and R Bauer ldquo Microstrip antenna phased array with

electromagnetic bandgap substraterdquo IEEE Trans On Antenna and Propagat vol

52 no 6 pp 1446-1453 June 2004

  • 封面pdf
  • 摘要與目錄pdf
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ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP 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 FRA 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 ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR ltFEFF004200720075006b00200064006900730073006500200069006e006e007300740069006c006c0069006e00670065006e0065002000740069006c002000e50020006f0070007000720065007400740065002000410064006f006200650020005000440046002d0064006f006b0075006d0065006e00740065007200200066006f00720020007500740073006b00720069006600740020006100760020006800f800790020006b00760061006c00690074006500740020007000e500200062006f007200640073006b0072006900760065007200200065006c006c00650072002000700072006f006f006600650072002e0020005000440046002d0064006f006b0075006d0065006e00740065006e00650020006b0061006e002000e50070006e00650073002000690020004100630072006f00620061007400200065006c006c00650072002000410064006f00620065002000520065006100640065007200200035002e003000200065006c006c00650072002000730065006e006500720065002egt PTB ltFEFF005500740069006c0069007a006500200065007300730061007300200063006f006e00660069006700750072006100e700f50065007300200064006500200066006f0072006d00610020006100200063007200690061007200200064006f00630075006d0065006e0074006f0073002000410064006f0062006500200050004400460020007000610072006100200069006d0070007200650073007300f5006500730020006400650020007100750061006c0069006400610064006500200065006d00200069006d00700072006500730073006f0072006100730020006400650073006b0074006f00700020006500200064006900730070006f00730069007400690076006f0073002000640065002000700072006f00760061002e0020004f007300200064006f00630075006d0065006e0074006f00730020005000440046002000630072006900610064006f007300200070006f00640065006d0020007300650072002000610062006500720074006f007300200063006f006d0020006f0020004100630072006f006200610074002000650020006f002000410064006f00620065002000520065006100640065007200200035002e0030002000650020007600650072007300f50065007300200070006f00730074006500720069006f007200650073002egt SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP 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 FRA ltFEFF005500740069006c006900730065007a00200063006500730020006f007000740069006f006e00730020006100660069006e00200064006500200063007200e900650072002000640065007300200064006f00630075006d0065006e00740073002000410064006f00620065002000500044004600200070006f007500720020006400650073002000e90070007200650075007600650073002000650074002000640065007300200069006d007000720065007300730069006f006e00730020006400650020006800610075007400650020007100750061006c0069007400e90020007300750072002000640065007300200069006d007000720069006d0061006e0074006500730020006400650020006200750072006500610075002e0020004c0065007300200064006f00630075006d0065006e00740073002000500044004600200063007200e900e90073002000700065007500760065006e0074002000ea0074007200650020006f007500760065007200740073002000640061006e00730020004100630072006f006200610074002c002000610069006e00730069002000710075002700410064006f00620065002000520065006100640065007200200035002e0030002000650074002000760065007200730069006f006e007300200075006c007400e90072006900650075007200650073002egt ITA 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 JPN ltFEFF9ad854c18cea51fa529b7528002000410064006f0062006500200050004400460020658766f8306e4f5c6210306b4f7f75283057307e30593002537052376642306e753b8cea3092670059279650306b4fdd306430533068304c3067304d307e3059300230c730b930af30c830c330d730d730ea30f330bf3067306e53705237307e305f306f30d730eb30fc30d57528306b9069305730663044307e305930023053306e8a2d5b9a30674f5c62103055308c305f0020005000440046002030d530a130a430eb306f3001004100630072006f0062006100740020304a30883073002000410064006f00620065002000520065006100640065007200200035002e003000204ee5964d3067958b304f30533068304c3067304d307e30593002gt KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

38

0 度增益

Ref patch antenna 357dBi

圍繞 EBG 572dBi

ΔGain 215dB

表 3-3天線周圍包覆 EBG 之增益改善比較

由於表面波之傳遞主要為 X 軸方向因此以 EBG 之較寬頻的維度來抑制 X

方向的表面波其結合方式如下以兩列 EBG 結構與天線結合比較如圖 3-18

圖 3-18輻射邊兩側包覆 EBG 之輻射場型比較

39

0 度增益

Ref patch antenna 357dBi

輻射邊包覆 EBG 577dBi

ΔGain 22dB

表 3-4輻射邊兩側包覆 EBG 之增益改善比較

兩種包覆 EBG 的情形做比較使用輻射邊兩側包覆 EBG 對表面波抑制可以

達到最直接的效果再對接地面做變化令輻射邊到接地面邊緣距離等於 15 倍

空氣中波長邊緣的等效感應磁流干擾最大在垂射(broadside)方向造成 30 度到

60 度的旁波瓣將晶胞數加到三列使得輻射場型能有最佳效果如圖 3-19 所示

圖 3-19較大接地面應用更多晶胞數改善輻射場型圖

40

34 電磁帶隙結構結合微帶天線陣列

第二章敘述之高增益天線陣列由於在 E-plane 產生較大之旁波瓣因此論

文將結合 EBG 結構與天線陣列改善輻射場型以符合 ETSI-TS2 規範要求

對原本的天線陣列與改善後的天線陣列作一比較如圖 3-20 為天線結構示意圖

俯視圖 yz 切面為表面波影響較大的面因此我們在 E-plane 兩側包覆 EBG使

用三列的 EBG 週期結構另外圖 3-21 為(a)34GHz(b)355GHz(c)37GHz

輻射場型在 E-plane 的改善比較可以發現在(a)跟(b)改善的效果特別明顯旁波

瓣減弱許多而(c)原本旁波瓣就不大所以改善較不明顯再跟 ETSI-mask 做

比較如圖 3-22改善後的天線陣列距離輻射場型標準線有較大之安全距離對實

作上的誤差影響會比較小以下針對輻射場型做一比較

圖 3-20原始天線陣列與應用 EBG 之天線陣列

41

(a)34GHz E-plane 輻射場型比較

(b)355GHz E-plane 輻射場型比較

(c)37GHz E-plane 輻射場型比較

圖 3-21原始天線陣列與應用 EBG 之天線陣列輻射場型比較

(a)34GHz (b)355GHz (c)37GHz

42

(a)34GHz E-plane

(b)355GHz E-plane

(a)37GHz E-plane

圖 3-22原始天線陣列與應用 EBG 之天線陣列與 ETSI-mask 比較

(a)34GHz (b)355GHz (c)37GHz

43

35 模擬與量測結果比較

由上述模擬的結果進行實作及量測的工作如圖 3-23 為微帶天線結合 EBG

結構的架構表 3-5 列出了板材的規格使用的基板是 FR4 玻璃纖維基板並架高

空氣高度為 5mm

Dielectric constant(topbottom) 44 44

Substrate thickness(topbottom) 08mm 16mm

Loss tangent 002

Air gap 5mm

Upper substrate size 250mm x 200mm

Ground size 300mm x 250mm

表 3-5天線陣列設計參數

圖 3-23應用 EBG 之天線陣列結構圖

44

圖 3-24 為天線陣列在 34GHz355GHz37GHz 的輻射場型從圖中可以

觀察模擬與量測場型蠻相近的

(a)34GHz

(b)355GHz

45

(c)37GHz

圖 3-24天線陣列輻射場型模擬與量測比較

對於其輻射場型的分布需求要符合 ETSI-TS2 的規範以下針對輻射場型與

ETSI-mask 做一比較如圖 3-25 所示從圖中發現實作及量測輻射場型全部

工作頻段都能滿足 mask 要求完成一組高增益天線陣列

(a)34GHz

46

(b)355GHz

(c)37GHz

圖 3-25天線陣列輻射場型與 ETSI-mask 比較

圖 3-26 為天線陣列模擬與量測的反射損耗其工作頻率與設計之天線相去

不遠均包含 34GHz~37GHz頻寬設計較大的原因在於避免外在因素造成的頻

飄量測出來可達 33GHz~39GHz略往高頻飄不過與設計的反射損耗相當接

近圖 3-27 為實際量測的增益對頻率的變化圖其增益的全頻段都能大於

14dBiE-plane 與 H-plane 也較為接近整理數據如表 3-6

47

圖 3-26天線陣列反射損耗模擬與量測比較

圖 3-27天線陣列增益對頻率圖

48

頻率(GHz) 33 34 35 36 37 38

E-plane 增益

(dBi) 1485 1591 1620 1687 1627 1507

H-plane 增益

(dBi) 1421 1565 1598 1629 1607 1518

表 3-6天線陣列增益對頻率表

49

圖 3-28 為實體圖俯視圖側視圖與 EBG 實際大小比較

(a) 俯視圖

(b) 側視圖(空氣高度=05mm)

(c)EBG 實體結構

圖 3-28天線陣列實體圖

50

第四章 結論

(Conclusion)

本論文主要是研究適用於基地台的 WiMAX 頻段高增益天線陣列並控制其

頻寬增益及輻射場型能夠符合 ETSI(European Telecommunication Standards

Institute)的規範在論文第二章中提出的高增益天線陣列是利用一個能量分歧

器把能量等效分成三份的饋入網路接上三組一樣的三元素陣列矩形微帶天線所

組成的天線陣列最高增益可達到 17dBi工作頻率的增益都能超過要求的

14dBi輻射場型符合 ETSI-TS2 規範另外本論文所提出的天線陣列為印刷式

天線不但具有輕量化的特性且大幅降低製作上的困難度也減輕了成本的負擔

透過本論文所設計之 EBG 可有效降低傳統 EBG 結構的製程僅以 FR4 板

材即可自行實作比較無須鉚釘並提出有效提升微帶天線增益的包圍方式在

有限的接地面下可選擇適當的晶胞數來改善天線陣列的輻射場型抑制表面波

對天線的干擾讓邊際效應產生的感應磁流干擾降到最低最後在實作及量測部

分驗證我們模擬的結果

51

參考文獻

[1] W L Stutzman and G A Thiele Antenna Theory and Design 2nd ed New York

Wiley 1998

[2] A Balanis Antenna Theory Analysis and Design New York Wiley 1997

[3] R Gardelli G La Cono and M Albani ldquoA low-cost suspended patch antenna for

WLAN access points and point-to-point linksrdquo IEEE Antennas and Propagat vol

3 no 1 pp 90-93 2004

[4] H F Pues and A R Van de capelle ldquoAn impedance-matching technique for

increasing the bandwidth of microstrip antennasrdquo IEEE Trans on Antennas and

Propagat vol 37 no 11 pp 1345-1354 Nov 1989

[5] Q Song and XndashX Zhang ldquoA study on wideband gap-coupled microstrip antenna

arraysrdquo IEEE Trans On Antennas and Propagat vol 43 no 3 pp 313-317 Mar

1995

[6] D Sievenpiper L Z Romulo F J Broas N G Alexopolous and E Yablonovitch

ldquoHigh-impedance electromagnetic surfaces with a forbidden frequency bandrdquo

IEEE Trans Microwave Theory Tech vol 47 no 11 pp 311-335 Nov 1999

[7] F-R Yang K-P Ma Y Qian and T Itoh ldquo A Uniplanar Compact

Photonic-Bandgap (UC-PBG) Structure and Its Applications for Microwave

Circuitsrdquo IEEE Trans MTT vol 47 Aug 1999

[8] M F Abedin M Z Azad and M Ali ldquo wideband smaller unit-cell planar EBG

structures and their applicationrdquo IEEE Trans On Antenna and Propagat vol 56

no 3 pp 903-908 Mar 2008

[9] I J Bahl and P Bhartia Microstrip Antennas Artech House 1980

[10] JR James and P S Hall Handbook of Microstrip Antennas LondonPeter

Peregrinus Ltd 1989

52

[11] K C Gupta R Garg I J Bahl P Bhartia Microstrip Lines and Slotlines 2nd ed

Norwood MAArtech House 1996

[12] T Namiki Y Murayama and K Ito ldquo Improving radiation-pattern distortion of a

patch antenna having a finite ground planerdquo IEEE Trans On Antenna and

Propagat vol 51 no 3 pp 478-482 Mar 2003

[13] R Coccioli F-R Yang K-P Ma and T Itoh ldquo Aperture-coupled patch antenna

on UC-PBG substraterdquo IEEE Trans Microwave Theory Tech vol 47 no 11 pp

2123-2130 Nov 1999

[14] F Yang and Y Rahmat-samii ldquo Microstrip antenna integrated with

electromagnetic band-gap (EBG) structure a low mutual coupling design for array

applicationrdquo IEEE Trans On Antenna and Propagat vol 51 no 10 pp

2936-2946 Oct2003

[15] Z Iluz R Shavit and R Bauer ldquo Microstrip antenna phased array with

electromagnetic bandgap substraterdquo IEEE Trans On Antenna and Propagat vol

52 no 6 pp 1446-1453 June 2004

  • 封面pdf
  • 摘要與目錄pdf
  • 論文_終稿_pdf
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false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP 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 FRA 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 ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR ltFEFF004200720075006b00200064006900730073006500200069006e006e007300740069006c006c0069006e00670065006e0065002000740069006c002000e50020006f0070007000720065007400740065002000410064006f006200650020005000440046002d0064006f006b0075006d0065006e00740065007200200066006f00720020007500740073006b00720069006600740020006100760020006800f800790020006b00760061006c00690074006500740020007000e500200062006f007200640073006b0072006900760065007200200065006c006c00650072002000700072006f006f006600650072002e0020005000440046002d0064006f006b0075006d0065006e00740065006e00650020006b0061006e002000e50070006e00650073002000690020004100630072006f00620061007400200065006c006c00650072002000410064006f00620065002000520065006100640065007200200035002e003000200065006c006c00650072002000730065006e006500720065002egt PTB ltFEFF005500740069006c0069007a006500200065007300730061007300200063006f006e00660069006700750072006100e700f50065007300200064006500200066006f0072006d00610020006100200063007200690061007200200064006f00630075006d0065006e0074006f0073002000410064006f0062006500200050004400460020007000610072006100200069006d0070007200650073007300f5006500730020006400650020007100750061006c0069006400610064006500200065006d00200069006d00700072006500730073006f0072006100730020006400650073006b0074006f00700020006500200064006900730070006f00730069007400690076006f0073002000640065002000700072006f00760061002e0020004f007300200064006f00630075006d0065006e0074006f00730020005000440046002000630072006900610064006f007300200070006f00640065006d0020007300650072002000610062006500720074006f007300200063006f006d0020006f0020004100630072006f006200610074002000650020006f002000410064006f00620065002000520065006100640065007200200035002e0030002000650020007600650072007300f50065007300200070006f00730074006500720069006f007200650073002egt SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP 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 FRA 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UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

39

0 度增益

Ref patch antenna 357dBi

輻射邊包覆 EBG 577dBi

ΔGain 22dB

表 3-4輻射邊兩側包覆 EBG 之增益改善比較

兩種包覆 EBG 的情形做比較使用輻射邊兩側包覆 EBG 對表面波抑制可以

達到最直接的效果再對接地面做變化令輻射邊到接地面邊緣距離等於 15 倍

空氣中波長邊緣的等效感應磁流干擾最大在垂射(broadside)方向造成 30 度到

60 度的旁波瓣將晶胞數加到三列使得輻射場型能有最佳效果如圖 3-19 所示

圖 3-19較大接地面應用更多晶胞數改善輻射場型圖

40

34 電磁帶隙結構結合微帶天線陣列

第二章敘述之高增益天線陣列由於在 E-plane 產生較大之旁波瓣因此論

文將結合 EBG 結構與天線陣列改善輻射場型以符合 ETSI-TS2 規範要求

對原本的天線陣列與改善後的天線陣列作一比較如圖 3-20 為天線結構示意圖

俯視圖 yz 切面為表面波影響較大的面因此我們在 E-plane 兩側包覆 EBG使

用三列的 EBG 週期結構另外圖 3-21 為(a)34GHz(b)355GHz(c)37GHz

輻射場型在 E-plane 的改善比較可以發現在(a)跟(b)改善的效果特別明顯旁波

瓣減弱許多而(c)原本旁波瓣就不大所以改善較不明顯再跟 ETSI-mask 做

比較如圖 3-22改善後的天線陣列距離輻射場型標準線有較大之安全距離對實

作上的誤差影響會比較小以下針對輻射場型做一比較

圖 3-20原始天線陣列與應用 EBG 之天線陣列

41

(a)34GHz E-plane 輻射場型比較

(b)355GHz E-plane 輻射場型比較

(c)37GHz E-plane 輻射場型比較

圖 3-21原始天線陣列與應用 EBG 之天線陣列輻射場型比較

(a)34GHz (b)355GHz (c)37GHz

42

(a)34GHz E-plane

(b)355GHz E-plane

(a)37GHz E-plane

圖 3-22原始天線陣列與應用 EBG 之天線陣列與 ETSI-mask 比較

(a)34GHz (b)355GHz (c)37GHz

43

35 模擬與量測結果比較

由上述模擬的結果進行實作及量測的工作如圖 3-23 為微帶天線結合 EBG

結構的架構表 3-5 列出了板材的規格使用的基板是 FR4 玻璃纖維基板並架高

空氣高度為 5mm

Dielectric constant(topbottom) 44 44

Substrate thickness(topbottom) 08mm 16mm

Loss tangent 002

Air gap 5mm

Upper substrate size 250mm x 200mm

Ground size 300mm x 250mm

表 3-5天線陣列設計參數

圖 3-23應用 EBG 之天線陣列結構圖

44

圖 3-24 為天線陣列在 34GHz355GHz37GHz 的輻射場型從圖中可以

觀察模擬與量測場型蠻相近的

(a)34GHz

(b)355GHz

45

(c)37GHz

圖 3-24天線陣列輻射場型模擬與量測比較

對於其輻射場型的分布需求要符合 ETSI-TS2 的規範以下針對輻射場型與

ETSI-mask 做一比較如圖 3-25 所示從圖中發現實作及量測輻射場型全部

工作頻段都能滿足 mask 要求完成一組高增益天線陣列

(a)34GHz

46

(b)355GHz

(c)37GHz

圖 3-25天線陣列輻射場型與 ETSI-mask 比較

圖 3-26 為天線陣列模擬與量測的反射損耗其工作頻率與設計之天線相去

不遠均包含 34GHz~37GHz頻寬設計較大的原因在於避免外在因素造成的頻

飄量測出來可達 33GHz~39GHz略往高頻飄不過與設計的反射損耗相當接

近圖 3-27 為實際量測的增益對頻率的變化圖其增益的全頻段都能大於

14dBiE-plane 與 H-plane 也較為接近整理數據如表 3-6

47

圖 3-26天線陣列反射損耗模擬與量測比較

圖 3-27天線陣列增益對頻率圖

48

頻率(GHz) 33 34 35 36 37 38

E-plane 增益

(dBi) 1485 1591 1620 1687 1627 1507

H-plane 增益

(dBi) 1421 1565 1598 1629 1607 1518

表 3-6天線陣列增益對頻率表

49

圖 3-28 為實體圖俯視圖側視圖與 EBG 實際大小比較

(a) 俯視圖

(b) 側視圖(空氣高度=05mm)

(c)EBG 實體結構

圖 3-28天線陣列實體圖

50

第四章 結論

(Conclusion)

本論文主要是研究適用於基地台的 WiMAX 頻段高增益天線陣列並控制其

頻寬增益及輻射場型能夠符合 ETSI(European Telecommunication Standards

Institute)的規範在論文第二章中提出的高增益天線陣列是利用一個能量分歧

器把能量等效分成三份的饋入網路接上三組一樣的三元素陣列矩形微帶天線所

組成的天線陣列最高增益可達到 17dBi工作頻率的增益都能超過要求的

14dBi輻射場型符合 ETSI-TS2 規範另外本論文所提出的天線陣列為印刷式

天線不但具有輕量化的特性且大幅降低製作上的困難度也減輕了成本的負擔

透過本論文所設計之 EBG 可有效降低傳統 EBG 結構的製程僅以 FR4 板

材即可自行實作比較無須鉚釘並提出有效提升微帶天線增益的包圍方式在

有限的接地面下可選擇適當的晶胞數來改善天線陣列的輻射場型抑制表面波

對天線的干擾讓邊際效應產生的感應磁流干擾降到最低最後在實作及量測部

分驗證我們模擬的結果

51

參考文獻

[1] W L Stutzman and G A Thiele Antenna Theory and Design 2nd ed New York

Wiley 1998

[2] A Balanis Antenna Theory Analysis and Design New York Wiley 1997

[3] R Gardelli G La Cono and M Albani ldquoA low-cost suspended patch antenna for

WLAN access points and point-to-point linksrdquo IEEE Antennas and Propagat vol

3 no 1 pp 90-93 2004

[4] H F Pues and A R Van de capelle ldquoAn impedance-matching technique for

increasing the bandwidth of microstrip antennasrdquo IEEE Trans on Antennas and

Propagat vol 37 no 11 pp 1345-1354 Nov 1989

[5] Q Song and XndashX Zhang ldquoA study on wideband gap-coupled microstrip antenna

arraysrdquo IEEE Trans On Antennas and Propagat vol 43 no 3 pp 313-317 Mar

1995

[6] D Sievenpiper L Z Romulo F J Broas N G Alexopolous and E Yablonovitch

ldquoHigh-impedance electromagnetic surfaces with a forbidden frequency bandrdquo

IEEE Trans Microwave Theory Tech vol 47 no 11 pp 311-335 Nov 1999

[7] F-R Yang K-P Ma Y Qian and T Itoh ldquo A Uniplanar Compact

Photonic-Bandgap (UC-PBG) Structure and Its Applications for Microwave

Circuitsrdquo IEEE Trans MTT vol 47 Aug 1999

[8] M F Abedin M Z Azad and M Ali ldquo wideband smaller unit-cell planar EBG

structures and their applicationrdquo IEEE Trans On Antenna and Propagat vol 56

no 3 pp 903-908 Mar 2008

[9] I J Bahl and P Bhartia Microstrip Antennas Artech House 1980

[10] JR James and P S Hall Handbook of Microstrip Antennas LondonPeter

Peregrinus Ltd 1989

52

[11] K C Gupta R Garg I J Bahl P Bhartia Microstrip Lines and Slotlines 2nd ed

Norwood MAArtech House 1996

[12] T Namiki Y Murayama and K Ito ldquo Improving radiation-pattern distortion of a

patch antenna having a finite ground planerdquo IEEE Trans On Antenna and

Propagat vol 51 no 3 pp 478-482 Mar 2003

[13] R Coccioli F-R Yang K-P Ma and T Itoh ldquo Aperture-coupled patch antenna

on UC-PBG substraterdquo IEEE Trans Microwave Theory Tech vol 47 no 11 pp

2123-2130 Nov 1999

[14] F Yang and Y Rahmat-samii ldquo Microstrip antenna integrated with

electromagnetic band-gap (EBG) structure a low mutual coupling design for array

applicationrdquo IEEE Trans On Antenna and Propagat vol 51 no 10 pp

2936-2946 Oct2003

[15] Z Iluz R Shavit and R Bauer ldquo Microstrip antenna phased array with

electromagnetic bandgap substraterdquo IEEE Trans On Antenna and Propagat vol

52 no 6 pp 1446-1453 June 2004

  • 封面pdf
  • 摘要與目錄pdf
  • 論文_終稿_pdf
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 DEU 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 ESP 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 FRA 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 ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP 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 FRA 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 ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

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false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly 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ltFEFF00560065007200770065006e00640065006e0020005300690065002000640069006500730065002000450069006e007300740065006c006c0075006e00670065006e0020007a0075006d002000450072007300740065006c006c0065006e00200076006f006e002000410064006f006200650020005000440046002d0044006f006b0075006d0065006e00740065006e002c00200076006f006e002000640065006e0065006e002000530069006500200068006f00630068007700650072007400690067006500200044007200750063006b006500200061007500660020004400650073006b0074006f0070002d0044007200750063006b00650072006e00200075006e0064002000500072006f006f0066002d00470065007200e400740065006e002000650072007a0065007500670065006e0020006d00f60063006800740065006e002e002000450072007300740065006c006c007400650020005000440046002d0044006f006b0075006d0065006e007400650020006b00f6006e006e0065006e0020006d006900740020004100630072006f00620061007400200075006e0064002000410064006f00620065002000520065006100640065007200200035002e00300020006f0064006500720020006800f600680065007200200067006500f600660066006e00650074002000770065007200640065006e002egt ESP ltFEFF005500740069006c0069006300650020006500730074006100200063006f006e0066006900670075007200610063006900f3006e0020007000610072006100200063007200650061007200200064006f00630075006d0065006e0074006f0073002000640065002000410064006f0062006500200050004400460020007000610072006100200063006f006e00730065006700750069007200200069006d0070007200650073006900f3006e002000640065002000630061006c006900640061006400200065006e00200069006d0070007200650073006f0072006100730020006400650020006500730063007200690074006f00720069006f00200079002000680065007200720061006d00690065006e00740061007300200064006500200063006f00720072006500630063006900f3006e002e002000530065002000700075006500640065006e00200061006200720069007200200064006f00630075006d0065006e0074006f00730020005000440046002000630072006500610064006f007300200063006f006e0020004100630072006f006200610074002c002000410064006f00620065002000520065006100640065007200200035002e003000200079002000760065007200730069006f006e0065007300200070006f00730074006500720069006f007200650073002egt FRA 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 ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO ltFEFF004b00e40079007400e40020006e00e40069007400e4002000610073006500740075006b007300690061002c0020006b0075006e0020006c0075006f0074002000410064006f0062006500200050004400460020002d0064006f006b0075006d0065006e007400740065006a00610020006c0061006100640075006b006100730074006100200074007900f6007000f60079007400e400740075006c006f0073007400750073007400610020006a00610020007600650064006f007300740075007300740061002000760061007200740065006e002e00200020004c0075006f0064007500740020005000440046002d0064006f006b0075006d0065006e00740069007400200076006f0069006400610061006e0020006100760061007400610020004100630072006f0062006100740069006c006c00610020006a0061002000410064006f00620065002000520065006100640065007200200035002e0030003a006c006c00610020006a006100200075007500640065006d006d0069006c006c0061002egt SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

40

34 電磁帶隙結構結合微帶天線陣列

第二章敘述之高增益天線陣列由於在 E-plane 產生較大之旁波瓣因此論

文將結合 EBG 結構與天線陣列改善輻射場型以符合 ETSI-TS2 規範要求

對原本的天線陣列與改善後的天線陣列作一比較如圖 3-20 為天線結構示意圖

俯視圖 yz 切面為表面波影響較大的面因此我們在 E-plane 兩側包覆 EBG使

用三列的 EBG 週期結構另外圖 3-21 為(a)34GHz(b)355GHz(c)37GHz

輻射場型在 E-plane 的改善比較可以發現在(a)跟(b)改善的效果特別明顯旁波

瓣減弱許多而(c)原本旁波瓣就不大所以改善較不明顯再跟 ETSI-mask 做

比較如圖 3-22改善後的天線陣列距離輻射場型標準線有較大之安全距離對實

作上的誤差影響會比較小以下針對輻射場型做一比較

圖 3-20原始天線陣列與應用 EBG 之天線陣列

41

(a)34GHz E-plane 輻射場型比較

(b)355GHz E-plane 輻射場型比較

(c)37GHz E-plane 輻射場型比較

圖 3-21原始天線陣列與應用 EBG 之天線陣列輻射場型比較

(a)34GHz (b)355GHz (c)37GHz

42

(a)34GHz E-plane

(b)355GHz E-plane

(a)37GHz E-plane

圖 3-22原始天線陣列與應用 EBG 之天線陣列與 ETSI-mask 比較

(a)34GHz (b)355GHz (c)37GHz

43

35 模擬與量測結果比較

由上述模擬的結果進行實作及量測的工作如圖 3-23 為微帶天線結合 EBG

結構的架構表 3-5 列出了板材的規格使用的基板是 FR4 玻璃纖維基板並架高

空氣高度為 5mm

Dielectric constant(topbottom) 44 44

Substrate thickness(topbottom) 08mm 16mm

Loss tangent 002

Air gap 5mm

Upper substrate size 250mm x 200mm

Ground size 300mm x 250mm

表 3-5天線陣列設計參數

圖 3-23應用 EBG 之天線陣列結構圖

44

圖 3-24 為天線陣列在 34GHz355GHz37GHz 的輻射場型從圖中可以

觀察模擬與量測場型蠻相近的

(a)34GHz

(b)355GHz

45

(c)37GHz

圖 3-24天線陣列輻射場型模擬與量測比較

對於其輻射場型的分布需求要符合 ETSI-TS2 的規範以下針對輻射場型與

ETSI-mask 做一比較如圖 3-25 所示從圖中發現實作及量測輻射場型全部

工作頻段都能滿足 mask 要求完成一組高增益天線陣列

(a)34GHz

46

(b)355GHz

(c)37GHz

圖 3-25天線陣列輻射場型與 ETSI-mask 比較

圖 3-26 為天線陣列模擬與量測的反射損耗其工作頻率與設計之天線相去

不遠均包含 34GHz~37GHz頻寬設計較大的原因在於避免外在因素造成的頻

飄量測出來可達 33GHz~39GHz略往高頻飄不過與設計的反射損耗相當接

近圖 3-27 為實際量測的增益對頻率的變化圖其增益的全頻段都能大於

14dBiE-plane 與 H-plane 也較為接近整理數據如表 3-6

47

圖 3-26天線陣列反射損耗模擬與量測比較

圖 3-27天線陣列增益對頻率圖

48

頻率(GHz) 33 34 35 36 37 38

E-plane 增益

(dBi) 1485 1591 1620 1687 1627 1507

H-plane 增益

(dBi) 1421 1565 1598 1629 1607 1518

表 3-6天線陣列增益對頻率表

49

圖 3-28 為實體圖俯視圖側視圖與 EBG 實際大小比較

(a) 俯視圖

(b) 側視圖(空氣高度=05mm)

(c)EBG 實體結構

圖 3-28天線陣列實體圖

50

第四章 結論

(Conclusion)

本論文主要是研究適用於基地台的 WiMAX 頻段高增益天線陣列並控制其

頻寬增益及輻射場型能夠符合 ETSI(European Telecommunication Standards

Institute)的規範在論文第二章中提出的高增益天線陣列是利用一個能量分歧

器把能量等效分成三份的饋入網路接上三組一樣的三元素陣列矩形微帶天線所

組成的天線陣列最高增益可達到 17dBi工作頻率的增益都能超過要求的

14dBi輻射場型符合 ETSI-TS2 規範另外本論文所提出的天線陣列為印刷式

天線不但具有輕量化的特性且大幅降低製作上的困難度也減輕了成本的負擔

透過本論文所設計之 EBG 可有效降低傳統 EBG 結構的製程僅以 FR4 板

材即可自行實作比較無須鉚釘並提出有效提升微帶天線增益的包圍方式在

有限的接地面下可選擇適當的晶胞數來改善天線陣列的輻射場型抑制表面波

對天線的干擾讓邊際效應產生的感應磁流干擾降到最低最後在實作及量測部

分驗證我們模擬的結果

51

參考文獻

[1] W L Stutzman and G A Thiele Antenna Theory and Design 2nd ed New York

Wiley 1998

[2] A Balanis Antenna Theory Analysis and Design New York Wiley 1997

[3] R Gardelli G La Cono and M Albani ldquoA low-cost suspended patch antenna for

WLAN access points and point-to-point linksrdquo IEEE Antennas and Propagat vol

3 no 1 pp 90-93 2004

[4] H F Pues and A R Van de capelle ldquoAn impedance-matching technique for

increasing the bandwidth of microstrip antennasrdquo IEEE Trans on Antennas and

Propagat vol 37 no 11 pp 1345-1354 Nov 1989

[5] Q Song and XndashX Zhang ldquoA study on wideband gap-coupled microstrip antenna

arraysrdquo IEEE Trans On Antennas and Propagat vol 43 no 3 pp 313-317 Mar

1995

[6] D Sievenpiper L Z Romulo F J Broas N G Alexopolous and E Yablonovitch

ldquoHigh-impedance electromagnetic surfaces with a forbidden frequency bandrdquo

IEEE Trans Microwave Theory Tech vol 47 no 11 pp 311-335 Nov 1999

[7] F-R Yang K-P Ma Y Qian and T Itoh ldquo A Uniplanar Compact

Photonic-Bandgap (UC-PBG) Structure and Its Applications for Microwave

Circuitsrdquo IEEE Trans MTT vol 47 Aug 1999

[8] M F Abedin M Z Azad and M Ali ldquo wideband smaller unit-cell planar EBG

structures and their applicationrdquo IEEE Trans On Antenna and Propagat vol 56

no 3 pp 903-908 Mar 2008

[9] I J Bahl and P Bhartia Microstrip Antennas Artech House 1980

[10] JR James and P S Hall Handbook of Microstrip Antennas LondonPeter

Peregrinus Ltd 1989

52

[11] K C Gupta R Garg I J Bahl P Bhartia Microstrip Lines and Slotlines 2nd ed

Norwood MAArtech House 1996

[12] T Namiki Y Murayama and K Ito ldquo Improving radiation-pattern distortion of a

patch antenna having a finite ground planerdquo IEEE Trans On Antenna and

Propagat vol 51 no 3 pp 478-482 Mar 2003

[13] R Coccioli F-R Yang K-P Ma and T Itoh ldquo Aperture-coupled patch antenna

on UC-PBG substraterdquo IEEE Trans Microwave Theory Tech vol 47 no 11 pp

2123-2130 Nov 1999

[14] F Yang and Y Rahmat-samii ldquo Microstrip antenna integrated with

electromagnetic band-gap (EBG) structure a low mutual coupling design for array

applicationrdquo IEEE Trans On Antenna and Propagat vol 51 no 10 pp

2936-2946 Oct2003

[15] Z Iluz R Shavit and R Bauer ldquo Microstrip antenna phased array with

electromagnetic bandgap substraterdquo IEEE Trans On Antenna and Propagat vol

52 no 6 pp 1446-1453 June 2004

  • 封面pdf
  • 摘要與目錄pdf
  • 論文_終稿_pdf
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50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP 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 FRA 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 ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP 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 FRA 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 KOR 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

41

(a)34GHz E-plane 輻射場型比較

(b)355GHz E-plane 輻射場型比較

(c)37GHz E-plane 輻射場型比較

圖 3-21原始天線陣列與應用 EBG 之天線陣列輻射場型比較

(a)34GHz (b)355GHz (c)37GHz

42

(a)34GHz E-plane

(b)355GHz E-plane

(a)37GHz E-plane

圖 3-22原始天線陣列與應用 EBG 之天線陣列與 ETSI-mask 比較

(a)34GHz (b)355GHz (c)37GHz

43

35 模擬與量測結果比較

由上述模擬的結果進行實作及量測的工作如圖 3-23 為微帶天線結合 EBG

結構的架構表 3-5 列出了板材的規格使用的基板是 FR4 玻璃纖維基板並架高

空氣高度為 5mm

Dielectric constant(topbottom) 44 44

Substrate thickness(topbottom) 08mm 16mm

Loss tangent 002

Air gap 5mm

Upper substrate size 250mm x 200mm

Ground size 300mm x 250mm

表 3-5天線陣列設計參數

圖 3-23應用 EBG 之天線陣列結構圖

44

圖 3-24 為天線陣列在 34GHz355GHz37GHz 的輻射場型從圖中可以

觀察模擬與量測場型蠻相近的

(a)34GHz

(b)355GHz

45

(c)37GHz

圖 3-24天線陣列輻射場型模擬與量測比較

對於其輻射場型的分布需求要符合 ETSI-TS2 的規範以下針對輻射場型與

ETSI-mask 做一比較如圖 3-25 所示從圖中發現實作及量測輻射場型全部

工作頻段都能滿足 mask 要求完成一組高增益天線陣列

(a)34GHz

46

(b)355GHz

(c)37GHz

圖 3-25天線陣列輻射場型與 ETSI-mask 比較

圖 3-26 為天線陣列模擬與量測的反射損耗其工作頻率與設計之天線相去

不遠均包含 34GHz~37GHz頻寬設計較大的原因在於避免外在因素造成的頻

飄量測出來可達 33GHz~39GHz略往高頻飄不過與設計的反射損耗相當接

近圖 3-27 為實際量測的增益對頻率的變化圖其增益的全頻段都能大於

14dBiE-plane 與 H-plane 也較為接近整理數據如表 3-6

47

圖 3-26天線陣列反射損耗模擬與量測比較

圖 3-27天線陣列增益對頻率圖

48

頻率(GHz) 33 34 35 36 37 38

E-plane 增益

(dBi) 1485 1591 1620 1687 1627 1507

H-plane 增益

(dBi) 1421 1565 1598 1629 1607 1518

表 3-6天線陣列增益對頻率表

49

圖 3-28 為實體圖俯視圖側視圖與 EBG 實際大小比較

(a) 俯視圖

(b) 側視圖(空氣高度=05mm)

(c)EBG 實體結構

圖 3-28天線陣列實體圖

50

第四章 結論

(Conclusion)

本論文主要是研究適用於基地台的 WiMAX 頻段高增益天線陣列並控制其

頻寬增益及輻射場型能夠符合 ETSI(European Telecommunication Standards

Institute)的規範在論文第二章中提出的高增益天線陣列是利用一個能量分歧

器把能量等效分成三份的饋入網路接上三組一樣的三元素陣列矩形微帶天線所

組成的天線陣列最高增益可達到 17dBi工作頻率的增益都能超過要求的

14dBi輻射場型符合 ETSI-TS2 規範另外本論文所提出的天線陣列為印刷式

天線不但具有輕量化的特性且大幅降低製作上的困難度也減輕了成本的負擔

透過本論文所設計之 EBG 可有效降低傳統 EBG 結構的製程僅以 FR4 板

材即可自行實作比較無須鉚釘並提出有效提升微帶天線增益的包圍方式在

有限的接地面下可選擇適當的晶胞數來改善天線陣列的輻射場型抑制表面波

對天線的干擾讓邊際效應產生的感應磁流干擾降到最低最後在實作及量測部

分驗證我們模擬的結果

51

參考文獻

[1] W L Stutzman and G A Thiele Antenna Theory and Design 2nd ed New York

Wiley 1998

[2] A Balanis Antenna Theory Analysis and Design New York Wiley 1997

[3] R Gardelli G La Cono and M Albani ldquoA low-cost suspended patch antenna for

WLAN access points and point-to-point linksrdquo IEEE Antennas and Propagat vol

3 no 1 pp 90-93 2004

[4] H F Pues and A R Van de capelle ldquoAn impedance-matching technique for

increasing the bandwidth of microstrip antennasrdquo IEEE Trans on Antennas and

Propagat vol 37 no 11 pp 1345-1354 Nov 1989

[5] Q Song and XndashX Zhang ldquoA study on wideband gap-coupled microstrip antenna

arraysrdquo IEEE Trans On Antennas and Propagat vol 43 no 3 pp 313-317 Mar

1995

[6] D Sievenpiper L Z Romulo F J Broas N G Alexopolous and E Yablonovitch

ldquoHigh-impedance electromagnetic surfaces with a forbidden frequency bandrdquo

IEEE Trans Microwave Theory Tech vol 47 no 11 pp 311-335 Nov 1999

[7] F-R Yang K-P Ma Y Qian and T Itoh ldquo A Uniplanar Compact

Photonic-Bandgap (UC-PBG) Structure and Its Applications for Microwave

Circuitsrdquo IEEE Trans MTT vol 47 Aug 1999

[8] M F Abedin M Z Azad and M Ali ldquo wideband smaller unit-cell planar EBG

structures and their applicationrdquo IEEE Trans On Antenna and Propagat vol 56

no 3 pp 903-908 Mar 2008

[9] I J Bahl and P Bhartia Microstrip Antennas Artech House 1980

[10] JR James and P S Hall Handbook of Microstrip Antennas LondonPeter

Peregrinus Ltd 1989

52

[11] K C Gupta R Garg I J Bahl P Bhartia Microstrip Lines and Slotlines 2nd ed

Norwood MAArtech House 1996

[12] T Namiki Y Murayama and K Ito ldquo Improving radiation-pattern distortion of a

patch antenna having a finite ground planerdquo IEEE Trans On Antenna and

Propagat vol 51 no 3 pp 478-482 Mar 2003

[13] R Coccioli F-R Yang K-P Ma and T Itoh ldquo Aperture-coupled patch antenna

on UC-PBG substraterdquo IEEE Trans Microwave Theory Tech vol 47 no 11 pp

2123-2130 Nov 1999

[14] F Yang and Y Rahmat-samii ldquo Microstrip antenna integrated with

electromagnetic band-gap (EBG) structure a low mutual coupling design for array

applicationrdquo IEEE Trans On Antenna and Propagat vol 51 no 10 pp

2936-2946 Oct2003

[15] Z Iluz R Shavit and R Bauer ldquo Microstrip antenna phased array with

electromagnetic bandgap substraterdquo IEEE Trans On Antenna and Propagat vol

52 no 6 pp 1446-1453 June 2004

  • 封面pdf
  • 摘要與目錄pdf
  • 論文_終稿_pdf
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ESP 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 FRA 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 ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO 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 SVE ltFEFF0041006e007600e4006e00640020006400650020006800e4007200200069006e0073007400e4006c006c006e0069006e006700610072006e00610020006f006d002000640075002000760069006c006c00200073006b006100700061002000410064006f006200650020005000440046002d0064006f006b0075006d0065006e00740020006600f600720020006b00760061006c00690074006500740073007500740073006b0072006900660074006500720020007000e5002000760061006e006c00690067006100200073006b0072006900760061007200650020006f006300680020006600f600720020006b006f007200720065006b007400750072002e002000200053006b006100700061006400650020005000440046002d0064006f006b0075006d0065006e00740020006b0061006e002000f600700070006e00610073002000690020004100630072006f0062006100740020006f00630068002000410064006f00620065002000520065006100640065007200200035002e00300020006f00630068002000730065006e006100720065002egt ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP 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 FRA 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 ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP 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 FRA ltFEFF005500740069006c006900730065007a00200063006500730020006f007000740069006f006e00730020006100660069006e00200064006500200063007200e900650072002000640065007300200064006f00630075006d0065006e00740073002000410064006f00620065002000500044004600200070006f007500720020006400650073002000e90070007200650075007600650073002000650074002000640065007300200069006d007000720065007300730069006f006e00730020006400650020006800610075007400650020007100750061006c0069007400e90020007300750072002000640065007300200069006d007000720069006d0061006e0074006500730020006400650020006200750072006500610075002e0020004c0065007300200064006f00630075006d0065006e00740073002000500044004600200063007200e900e90073002000700065007500760065006e0074002000ea0074007200650020006f007500760065007200740073002000640061006e00730020004100630072006f006200610074002c002000610069006e00730069002000710075002700410064006f00620065002000520065006100640065007200200035002e0030002000650074002000760065007200730069006f006e007300200075006c007400e90072006900650075007200650073002egt ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO ltFEFF004b00e40079007400e40020006e00e40069007400e4002000610073006500740075006b007300690061002c0020006b0075006e0020006c0075006f0074002000410064006f0062006500200050004400460020002d0064006f006b0075006d0065006e007400740065006a00610020006c0061006100640075006b006100730074006100200074007900f6007000f60079007400e400740075006c006f0073007400750073007400610020006a00610020007600650064006f007300740075007300740061002000760061007200740065006e002e00200020004c0075006f0064007500740020005000440046002d0064006f006b0075006d0065006e00740069007400200076006f0069006400610061006e0020006100760061007400610020004100630072006f0062006100740069006c006c00610020006a0061002000410064006f00620065002000520065006100640065007200200035002e0030003a006c006c00610020006a006100200075007500640065006d006d0069006c006c0061002egt SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

42

(a)34GHz E-plane

(b)355GHz E-plane

(a)37GHz E-plane

圖 3-22原始天線陣列與應用 EBG 之天線陣列與 ETSI-mask 比較

(a)34GHz (b)355GHz (c)37GHz

43

35 模擬與量測結果比較

由上述模擬的結果進行實作及量測的工作如圖 3-23 為微帶天線結合 EBG

結構的架構表 3-5 列出了板材的規格使用的基板是 FR4 玻璃纖維基板並架高

空氣高度為 5mm

Dielectric constant(topbottom) 44 44

Substrate thickness(topbottom) 08mm 16mm

Loss tangent 002

Air gap 5mm

Upper substrate size 250mm x 200mm

Ground size 300mm x 250mm

表 3-5天線陣列設計參數

圖 3-23應用 EBG 之天線陣列結構圖

44

圖 3-24 為天線陣列在 34GHz355GHz37GHz 的輻射場型從圖中可以

觀察模擬與量測場型蠻相近的

(a)34GHz

(b)355GHz

45

(c)37GHz

圖 3-24天線陣列輻射場型模擬與量測比較

對於其輻射場型的分布需求要符合 ETSI-TS2 的規範以下針對輻射場型與

ETSI-mask 做一比較如圖 3-25 所示從圖中發現實作及量測輻射場型全部

工作頻段都能滿足 mask 要求完成一組高增益天線陣列

(a)34GHz

46

(b)355GHz

(c)37GHz

圖 3-25天線陣列輻射場型與 ETSI-mask 比較

圖 3-26 為天線陣列模擬與量測的反射損耗其工作頻率與設計之天線相去

不遠均包含 34GHz~37GHz頻寬設計較大的原因在於避免外在因素造成的頻

飄量測出來可達 33GHz~39GHz略往高頻飄不過與設計的反射損耗相當接

近圖 3-27 為實際量測的增益對頻率的變化圖其增益的全頻段都能大於

14dBiE-plane 與 H-plane 也較為接近整理數據如表 3-6

47

圖 3-26天線陣列反射損耗模擬與量測比較

圖 3-27天線陣列增益對頻率圖

48

頻率(GHz) 33 34 35 36 37 38

E-plane 增益

(dBi) 1485 1591 1620 1687 1627 1507

H-plane 增益

(dBi) 1421 1565 1598 1629 1607 1518

表 3-6天線陣列增益對頻率表

49

圖 3-28 為實體圖俯視圖側視圖與 EBG 實際大小比較

(a) 俯視圖

(b) 側視圖(空氣高度=05mm)

(c)EBG 實體結構

圖 3-28天線陣列實體圖

50

第四章 結論

(Conclusion)

本論文主要是研究適用於基地台的 WiMAX 頻段高增益天線陣列並控制其

頻寬增益及輻射場型能夠符合 ETSI(European Telecommunication Standards

Institute)的規範在論文第二章中提出的高增益天線陣列是利用一個能量分歧

器把能量等效分成三份的饋入網路接上三組一樣的三元素陣列矩形微帶天線所

組成的天線陣列最高增益可達到 17dBi工作頻率的增益都能超過要求的

14dBi輻射場型符合 ETSI-TS2 規範另外本論文所提出的天線陣列為印刷式

天線不但具有輕量化的特性且大幅降低製作上的困難度也減輕了成本的負擔

透過本論文所設計之 EBG 可有效降低傳統 EBG 結構的製程僅以 FR4 板

材即可自行實作比較無須鉚釘並提出有效提升微帶天線增益的包圍方式在

有限的接地面下可選擇適當的晶胞數來改善天線陣列的輻射場型抑制表面波

對天線的干擾讓邊際效應產生的感應磁流干擾降到最低最後在實作及量測部

分驗證我們模擬的結果

51

參考文獻

[1] W L Stutzman and G A Thiele Antenna Theory and Design 2nd ed New York

Wiley 1998

[2] A Balanis Antenna Theory Analysis and Design New York Wiley 1997

[3] R Gardelli G La Cono and M Albani ldquoA low-cost suspended patch antenna for

WLAN access points and point-to-point linksrdquo IEEE Antennas and Propagat vol

3 no 1 pp 90-93 2004

[4] H F Pues and A R Van de capelle ldquoAn impedance-matching technique for

increasing the bandwidth of microstrip antennasrdquo IEEE Trans on Antennas and

Propagat vol 37 no 11 pp 1345-1354 Nov 1989

[5] Q Song and XndashX Zhang ldquoA study on wideband gap-coupled microstrip antenna

arraysrdquo IEEE Trans On Antennas and Propagat vol 43 no 3 pp 313-317 Mar

1995

[6] D Sievenpiper L Z Romulo F J Broas N G Alexopolous and E Yablonovitch

ldquoHigh-impedance electromagnetic surfaces with a forbidden frequency bandrdquo

IEEE Trans Microwave Theory Tech vol 47 no 11 pp 311-335 Nov 1999

[7] F-R Yang K-P Ma Y Qian and T Itoh ldquo A Uniplanar Compact

Photonic-Bandgap (UC-PBG) Structure and Its Applications for Microwave

Circuitsrdquo IEEE Trans MTT vol 47 Aug 1999

[8] M F Abedin M Z Azad and M Ali ldquo wideband smaller unit-cell planar EBG

structures and their applicationrdquo IEEE Trans On Antenna and Propagat vol 56

no 3 pp 903-908 Mar 2008

[9] I J Bahl and P Bhartia Microstrip Antennas Artech House 1980

[10] JR James and P S Hall Handbook of Microstrip Antennas LondonPeter

Peregrinus Ltd 1989

52

[11] K C Gupta R Garg I J Bahl P Bhartia Microstrip Lines and Slotlines 2nd ed

Norwood MAArtech House 1996

[12] T Namiki Y Murayama and K Ito ldquo Improving radiation-pattern distortion of a

patch antenna having a finite ground planerdquo IEEE Trans On Antenna and

Propagat vol 51 no 3 pp 478-482 Mar 2003

[13] R Coccioli F-R Yang K-P Ma and T Itoh ldquo Aperture-coupled patch antenna

on UC-PBG substraterdquo IEEE Trans Microwave Theory Tech vol 47 no 11 pp

2123-2130 Nov 1999

[14] F Yang and Y Rahmat-samii ldquo Microstrip antenna integrated with

electromagnetic band-gap (EBG) structure a low mutual coupling design for array

applicationrdquo IEEE Trans On Antenna and Propagat vol 51 no 10 pp

2936-2946 Oct2003

[15] Z Iluz R Shavit and R Bauer ldquo Microstrip antenna phased array with

electromagnetic bandgap substraterdquo IEEE Trans On Antenna and Propagat vol

52 no 6 pp 1446-1453 June 2004

  • 封面pdf
  • 摘要與目錄pdf
  • 論文_終稿_pdf
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false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP 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 FRA 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 ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP 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 FRA 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 ITA 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 JPN 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 KOR 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

43

35 模擬與量測結果比較

由上述模擬的結果進行實作及量測的工作如圖 3-23 為微帶天線結合 EBG

結構的架構表 3-5 列出了板材的規格使用的基板是 FR4 玻璃纖維基板並架高

空氣高度為 5mm

Dielectric constant(topbottom) 44 44

Substrate thickness(topbottom) 08mm 16mm

Loss tangent 002

Air gap 5mm

Upper substrate size 250mm x 200mm

Ground size 300mm x 250mm

表 3-5天線陣列設計參數

圖 3-23應用 EBG 之天線陣列結構圖

44

圖 3-24 為天線陣列在 34GHz355GHz37GHz 的輻射場型從圖中可以

觀察模擬與量測場型蠻相近的

(a)34GHz

(b)355GHz

45

(c)37GHz

圖 3-24天線陣列輻射場型模擬與量測比較

對於其輻射場型的分布需求要符合 ETSI-TS2 的規範以下針對輻射場型與

ETSI-mask 做一比較如圖 3-25 所示從圖中發現實作及量測輻射場型全部

工作頻段都能滿足 mask 要求完成一組高增益天線陣列

(a)34GHz

46

(b)355GHz

(c)37GHz

圖 3-25天線陣列輻射場型與 ETSI-mask 比較

圖 3-26 為天線陣列模擬與量測的反射損耗其工作頻率與設計之天線相去

不遠均包含 34GHz~37GHz頻寬設計較大的原因在於避免外在因素造成的頻

飄量測出來可達 33GHz~39GHz略往高頻飄不過與設計的反射損耗相當接

近圖 3-27 為實際量測的增益對頻率的變化圖其增益的全頻段都能大於

14dBiE-plane 與 H-plane 也較為接近整理數據如表 3-6

47

圖 3-26天線陣列反射損耗模擬與量測比較

圖 3-27天線陣列增益對頻率圖

48

頻率(GHz) 33 34 35 36 37 38

E-plane 增益

(dBi) 1485 1591 1620 1687 1627 1507

H-plane 增益

(dBi) 1421 1565 1598 1629 1607 1518

表 3-6天線陣列增益對頻率表

49

圖 3-28 為實體圖俯視圖側視圖與 EBG 實際大小比較

(a) 俯視圖

(b) 側視圖(空氣高度=05mm)

(c)EBG 實體結構

圖 3-28天線陣列實體圖

50

第四章 結論

(Conclusion)

本論文主要是研究適用於基地台的 WiMAX 頻段高增益天線陣列並控制其

頻寬增益及輻射場型能夠符合 ETSI(European Telecommunication Standards

Institute)的規範在論文第二章中提出的高增益天線陣列是利用一個能量分歧

器把能量等效分成三份的饋入網路接上三組一樣的三元素陣列矩形微帶天線所

組成的天線陣列最高增益可達到 17dBi工作頻率的增益都能超過要求的

14dBi輻射場型符合 ETSI-TS2 規範另外本論文所提出的天線陣列為印刷式

天線不但具有輕量化的特性且大幅降低製作上的困難度也減輕了成本的負擔

透過本論文所設計之 EBG 可有效降低傳統 EBG 結構的製程僅以 FR4 板

材即可自行實作比較無須鉚釘並提出有效提升微帶天線增益的包圍方式在

有限的接地面下可選擇適當的晶胞數來改善天線陣列的輻射場型抑制表面波

對天線的干擾讓邊際效應產生的感應磁流干擾降到最低最後在實作及量測部

分驗證我們模擬的結果

51

參考文獻

[1] W L Stutzman and G A Thiele Antenna Theory and Design 2nd ed New York

Wiley 1998

[2] A Balanis Antenna Theory Analysis and Design New York Wiley 1997

[3] R Gardelli G La Cono and M Albani ldquoA low-cost suspended patch antenna for

WLAN access points and point-to-point linksrdquo IEEE Antennas and Propagat vol

3 no 1 pp 90-93 2004

[4] H F Pues and A R Van de capelle ldquoAn impedance-matching technique for

increasing the bandwidth of microstrip antennasrdquo IEEE Trans on Antennas and

Propagat vol 37 no 11 pp 1345-1354 Nov 1989

[5] Q Song and XndashX Zhang ldquoA study on wideband gap-coupled microstrip antenna

arraysrdquo IEEE Trans On Antennas and Propagat vol 43 no 3 pp 313-317 Mar

1995

[6] D Sievenpiper L Z Romulo F J Broas N G Alexopolous and E Yablonovitch

ldquoHigh-impedance electromagnetic surfaces with a forbidden frequency bandrdquo

IEEE Trans Microwave Theory Tech vol 47 no 11 pp 311-335 Nov 1999

[7] F-R Yang K-P Ma Y Qian and T Itoh ldquo A Uniplanar Compact

Photonic-Bandgap (UC-PBG) Structure and Its Applications for Microwave

Circuitsrdquo IEEE Trans MTT vol 47 Aug 1999

[8] M F Abedin M Z Azad and M Ali ldquo wideband smaller unit-cell planar EBG

structures and their applicationrdquo IEEE Trans On Antenna and Propagat vol 56

no 3 pp 903-908 Mar 2008

[9] I J Bahl and P Bhartia Microstrip Antennas Artech House 1980

[10] JR James and P S Hall Handbook of Microstrip Antennas LondonPeter

Peregrinus Ltd 1989

52

[11] K C Gupta R Garg I J Bahl P Bhartia Microstrip Lines and Slotlines 2nd ed

Norwood MAArtech House 1996

[12] T Namiki Y Murayama and K Ito ldquo Improving radiation-pattern distortion of a

patch antenna having a finite ground planerdquo IEEE Trans On Antenna and

Propagat vol 51 no 3 pp 478-482 Mar 2003

[13] R Coccioli F-R Yang K-P Ma and T Itoh ldquo Aperture-coupled patch antenna

on UC-PBG substraterdquo IEEE Trans Microwave Theory Tech vol 47 no 11 pp

2123-2130 Nov 1999

[14] F Yang and Y Rahmat-samii ldquo Microstrip antenna integrated with

electromagnetic band-gap (EBG) structure a low mutual coupling design for array

applicationrdquo IEEE Trans On Antenna and Propagat vol 51 no 10 pp

2936-2946 Oct2003

[15] Z Iluz R Shavit and R Bauer ldquo Microstrip antenna phased array with

electromagnetic bandgap substraterdquo IEEE Trans On Antenna and Propagat vol

52 no 6 pp 1446-1453 June 2004

  • 封面pdf
  • 摘要與目錄pdf
  • 論文_終稿_pdf
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ESP 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FRA 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 ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO 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 SVE ltFEFF0041006e007600e4006e00640020006400650020006800e4007200200069006e0073007400e4006c006c006e0069006e006700610072006e00610020006f006d002000640075002000760069006c006c00200073006b006100700061002000410064006f006200650020005000440046002d0064006f006b0075006d0065006e00740020006600f600720020006b00760061006c00690074006500740073007500740073006b0072006900660074006500720020007000e5002000760061006e006c00690067006100200073006b0072006900760061007200650020006f006300680020006600f600720020006b006f007200720065006b007400750072002e002000200053006b006100700061006400650020005000440046002d0064006f006b0075006d0065006e00740020006b0061006e002000f600700070006e00610073002000690020004100630072006f0062006100740020006f00630068002000410064006f00620065002000520065006100640065007200200035002e00300020006f00630068002000730065006e006100720065002egt ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP 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 FRA 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 ITA ltFEFF005500740069006c0069007a007a006100720065002000710075006500730074006500200069006d0070006f007300740061007a0069006f006e00690020007000650072002000630072006500610072006500200064006f00630075006d0065006e00740069002000410064006f006200650020005000440046002000700065007200200075006e00610020007300740061006d007000610020006400690020007100750061006c0069007400e00020007300750020007300740061006d00700061006e0074006900200065002000700072006f006f0066006500720020006400650073006b0074006f0070002e0020004900200064006f00630075006d0065006e007400690020005000440046002000630072006500610074006900200070006f00730073006f006e006f0020006500730073006500720065002000610070006500720074006900200063006f006e0020004100630072006f00620061007400200065002000410064006f00620065002000520065006100640065007200200035002e003000200065002000760065007200730069006f006e006900200073007500630063006500730073006900760065002egt JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP ltFEFF005500740069006c0069006300650020006500730074006100200063006f006e0066006900670075007200610063006900f3006e0020007000610072006100200063007200650061007200200064006f00630075006d0065006e0074006f0073002000640065002000410064006f0062006500200050004400460020007000610072006100200063006f006e00730065006700750069007200200069006d0070007200650073006900f3006e002000640065002000630061006c006900640061006400200065006e00200069006d0070007200650073006f0072006100730020006400650020006500730063007200690074006f00720069006f00200079002000680065007200720061006d00690065006e00740061007300200064006500200063006f00720072006500630063006900f3006e002e002000530065002000700075006500640065006e00200061006200720069007200200064006f00630075006d0065006e0074006f00730020005000440046002000630072006500610064006f007300200063006f006e0020004100630072006f006200610074002c002000410064006f00620065002000520065006100640065007200200035002e003000200079002000760065007200730069006f006e0065007300200070006f00730074006500720069006f007200650073002egt FRA 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 ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR ltFEFF004200720075006b00200064006900730073006500200069006e006e007300740069006c006c0069006e00670065006e0065002000740069006c002000e50020006f0070007000720065007400740065002000410064006f006200650020005000440046002d0064006f006b0075006d0065006e00740065007200200066006f00720020007500740073006b00720069006600740020006100760020006800f800790020006b00760061006c00690074006500740020007000e500200062006f007200640073006b0072006900760065007200200065006c006c00650072002000700072006f006f006600650072002e0020005000440046002d0064006f006b0075006d0065006e00740065006e00650020006b0061006e002000e50070006e00650073002000690020004100630072006f00620061007400200065006c006c00650072002000410064006f00620065002000520065006100640065007200200035002e003000200065006c006c00650072002000730065006e006500720065002egt PTB ltFEFF005500740069006c0069007a006500200065007300730061007300200063006f006e00660069006700750072006100e700f50065007300200064006500200066006f0072006d00610020006100200063007200690061007200200064006f00630075006d0065006e0074006f0073002000410064006f0062006500200050004400460020007000610072006100200069006d0070007200650073007300f5006500730020006400650020007100750061006c0069006400610064006500200065006d00200069006d00700072006500730073006f0072006100730020006400650073006b0074006f00700020006500200064006900730070006f00730069007400690076006f0073002000640065002000700072006f00760061002e0020004f007300200064006f00630075006d0065006e0074006f00730020005000440046002000630072006900610064006f007300200070006f00640065006d0020007300650072002000610062006500720074006f007300200063006f006d0020006f0020004100630072006f006200610074002000650020006f002000410064006f00620065002000520065006100640065007200200035002e0030002000650020007600650072007300f50065007300200070006f00730074006500720069006f007200650073002egt SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

44

圖 3-24 為天線陣列在 34GHz355GHz37GHz 的輻射場型從圖中可以

觀察模擬與量測場型蠻相近的

(a)34GHz

(b)355GHz

45

(c)37GHz

圖 3-24天線陣列輻射場型模擬與量測比較

對於其輻射場型的分布需求要符合 ETSI-TS2 的規範以下針對輻射場型與

ETSI-mask 做一比較如圖 3-25 所示從圖中發現實作及量測輻射場型全部

工作頻段都能滿足 mask 要求完成一組高增益天線陣列

(a)34GHz

46

(b)355GHz

(c)37GHz

圖 3-25天線陣列輻射場型與 ETSI-mask 比較

圖 3-26 為天線陣列模擬與量測的反射損耗其工作頻率與設計之天線相去

不遠均包含 34GHz~37GHz頻寬設計較大的原因在於避免外在因素造成的頻

飄量測出來可達 33GHz~39GHz略往高頻飄不過與設計的反射損耗相當接

近圖 3-27 為實際量測的增益對頻率的變化圖其增益的全頻段都能大於

14dBiE-plane 與 H-plane 也較為接近整理數據如表 3-6

47

圖 3-26天線陣列反射損耗模擬與量測比較

圖 3-27天線陣列增益對頻率圖

48

頻率(GHz) 33 34 35 36 37 38

E-plane 增益

(dBi) 1485 1591 1620 1687 1627 1507

H-plane 增益

(dBi) 1421 1565 1598 1629 1607 1518

表 3-6天線陣列增益對頻率表

49

圖 3-28 為實體圖俯視圖側視圖與 EBG 實際大小比較

(a) 俯視圖

(b) 側視圖(空氣高度=05mm)

(c)EBG 實體結構

圖 3-28天線陣列實體圖

50

第四章 結論

(Conclusion)

本論文主要是研究適用於基地台的 WiMAX 頻段高增益天線陣列並控制其

頻寬增益及輻射場型能夠符合 ETSI(European Telecommunication Standards

Institute)的規範在論文第二章中提出的高增益天線陣列是利用一個能量分歧

器把能量等效分成三份的饋入網路接上三組一樣的三元素陣列矩形微帶天線所

組成的天線陣列最高增益可達到 17dBi工作頻率的增益都能超過要求的

14dBi輻射場型符合 ETSI-TS2 規範另外本論文所提出的天線陣列為印刷式

天線不但具有輕量化的特性且大幅降低製作上的困難度也減輕了成本的負擔

透過本論文所設計之 EBG 可有效降低傳統 EBG 結構的製程僅以 FR4 板

材即可自行實作比較無須鉚釘並提出有效提升微帶天線增益的包圍方式在

有限的接地面下可選擇適當的晶胞數來改善天線陣列的輻射場型抑制表面波

對天線的干擾讓邊際效應產生的感應磁流干擾降到最低最後在實作及量測部

分驗證我們模擬的結果

51

參考文獻

[1] W L Stutzman and G A Thiele Antenna Theory and Design 2nd ed New York

Wiley 1998

[2] A Balanis Antenna Theory Analysis and Design New York Wiley 1997

[3] R Gardelli G La Cono and M Albani ldquoA low-cost suspended patch antenna for

WLAN access points and point-to-point linksrdquo IEEE Antennas and Propagat vol

3 no 1 pp 90-93 2004

[4] H F Pues and A R Van de capelle ldquoAn impedance-matching technique for

increasing the bandwidth of microstrip antennasrdquo IEEE Trans on Antennas and

Propagat vol 37 no 11 pp 1345-1354 Nov 1989

[5] Q Song and XndashX Zhang ldquoA study on wideband gap-coupled microstrip antenna

arraysrdquo IEEE Trans On Antennas and Propagat vol 43 no 3 pp 313-317 Mar

1995

[6] D Sievenpiper L Z Romulo F J Broas N G Alexopolous and E Yablonovitch

ldquoHigh-impedance electromagnetic surfaces with a forbidden frequency bandrdquo

IEEE Trans Microwave Theory Tech vol 47 no 11 pp 311-335 Nov 1999

[7] F-R Yang K-P Ma Y Qian and T Itoh ldquo A Uniplanar Compact

Photonic-Bandgap (UC-PBG) Structure and Its Applications for Microwave

Circuitsrdquo IEEE Trans MTT vol 47 Aug 1999

[8] M F Abedin M Z Azad and M Ali ldquo wideband smaller unit-cell planar EBG

structures and their applicationrdquo IEEE Trans On Antenna and Propagat vol 56

no 3 pp 903-908 Mar 2008

[9] I J Bahl and P Bhartia Microstrip Antennas Artech House 1980

[10] JR James and P S Hall Handbook of Microstrip Antennas LondonPeter

Peregrinus Ltd 1989

52

[11] K C Gupta R Garg I J Bahl P Bhartia Microstrip Lines and Slotlines 2nd ed

Norwood MAArtech House 1996

[12] T Namiki Y Murayama and K Ito ldquo Improving radiation-pattern distortion of a

patch antenna having a finite ground planerdquo IEEE Trans On Antenna and

Propagat vol 51 no 3 pp 478-482 Mar 2003

[13] R Coccioli F-R Yang K-P Ma and T Itoh ldquo Aperture-coupled patch antenna

on UC-PBG substraterdquo IEEE Trans Microwave Theory Tech vol 47 no 11 pp

2123-2130 Nov 1999

[14] F Yang and Y Rahmat-samii ldquo Microstrip antenna integrated with

electromagnetic band-gap (EBG) structure a low mutual coupling design for array

applicationrdquo IEEE Trans On Antenna and Propagat vol 51 no 10 pp

2936-2946 Oct2003

[15] Z Iluz R Shavit and R Bauer ldquo Microstrip antenna phased array with

electromagnetic bandgap substraterdquo IEEE Trans On Antenna and Propagat vol

52 no 6 pp 1446-1453 June 2004

  • 封面pdf
  • 摘要與目錄pdf
  • 論文_終稿_pdf
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false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT 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 DEU 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 ESP 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FRA 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UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU ltFEFF00560065007200770065006e00640065006e0020005300690065002000640069006500730065002000450069006e007300740065006c006c0075006e00670065006e0020007a0075006d002000450072007300740065006c006c0065006e00200076006f006e002000410064006f006200650020005000440046002d0044006f006b0075006d0065006e00740065006e002c00200076006f006e002000640065006e0065006e002000530069006500200068006f00630068007700650072007400690067006500200044007200750063006b006500200061007500660020004400650073006b0074006f0070002d0044007200750063006b00650072006e00200075006e0064002000500072006f006f0066002d00470065007200e400740065006e002000650072007a0065007500670065006e0020006d00f60063006800740065006e002e002000450072007300740065006c006c007400650020005000440046002d0044006f006b0075006d0065006e007400650020006b00f6006e006e0065006e0020006d006900740020004100630072006f00620061007400200075006e0064002000410064006f00620065002000520065006100640065007200200035002e00300020006f0064006500720020006800f600680065007200200067006500f600660066006e00650074002000770065007200640065006e002egt ESP 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 FRA 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 ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP 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 FRA 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 ITA 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 JPN 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 KOR 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50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

45

(c)37GHz

圖 3-24天線陣列輻射場型模擬與量測比較

對於其輻射場型的分布需求要符合 ETSI-TS2 的規範以下針對輻射場型與

ETSI-mask 做一比較如圖 3-25 所示從圖中發現實作及量測輻射場型全部

工作頻段都能滿足 mask 要求完成一組高增益天線陣列

(a)34GHz

46

(b)355GHz

(c)37GHz

圖 3-25天線陣列輻射場型與 ETSI-mask 比較

圖 3-26 為天線陣列模擬與量測的反射損耗其工作頻率與設計之天線相去

不遠均包含 34GHz~37GHz頻寬設計較大的原因在於避免外在因素造成的頻

飄量測出來可達 33GHz~39GHz略往高頻飄不過與設計的反射損耗相當接

近圖 3-27 為實際量測的增益對頻率的變化圖其增益的全頻段都能大於

14dBiE-plane 與 H-plane 也較為接近整理數據如表 3-6

47

圖 3-26天線陣列反射損耗模擬與量測比較

圖 3-27天線陣列增益對頻率圖

48

頻率(GHz) 33 34 35 36 37 38

E-plane 增益

(dBi) 1485 1591 1620 1687 1627 1507

H-plane 增益

(dBi) 1421 1565 1598 1629 1607 1518

表 3-6天線陣列增益對頻率表

49

圖 3-28 為實體圖俯視圖側視圖與 EBG 實際大小比較

(a) 俯視圖

(b) 側視圖(空氣高度=05mm)

(c)EBG 實體結構

圖 3-28天線陣列實體圖

50

第四章 結論

(Conclusion)

本論文主要是研究適用於基地台的 WiMAX 頻段高增益天線陣列並控制其

頻寬增益及輻射場型能夠符合 ETSI(European Telecommunication Standards

Institute)的規範在論文第二章中提出的高增益天線陣列是利用一個能量分歧

器把能量等效分成三份的饋入網路接上三組一樣的三元素陣列矩形微帶天線所

組成的天線陣列最高增益可達到 17dBi工作頻率的增益都能超過要求的

14dBi輻射場型符合 ETSI-TS2 規範另外本論文所提出的天線陣列為印刷式

天線不但具有輕量化的特性且大幅降低製作上的困難度也減輕了成本的負擔

透過本論文所設計之 EBG 可有效降低傳統 EBG 結構的製程僅以 FR4 板

材即可自行實作比較無須鉚釘並提出有效提升微帶天線增益的包圍方式在

有限的接地面下可選擇適當的晶胞數來改善天線陣列的輻射場型抑制表面波

對天線的干擾讓邊際效應產生的感應磁流干擾降到最低最後在實作及量測部

分驗證我們模擬的結果

51

參考文獻

[1] W L Stutzman and G A Thiele Antenna Theory and Design 2nd ed New York

Wiley 1998

[2] A Balanis Antenna Theory Analysis and Design New York Wiley 1997

[3] R Gardelli G La Cono and M Albani ldquoA low-cost suspended patch antenna for

WLAN access points and point-to-point linksrdquo IEEE Antennas and Propagat vol

3 no 1 pp 90-93 2004

[4] H F Pues and A R Van de capelle ldquoAn impedance-matching technique for

increasing the bandwidth of microstrip antennasrdquo IEEE Trans on Antennas and

Propagat vol 37 no 11 pp 1345-1354 Nov 1989

[5] Q Song and XndashX Zhang ldquoA study on wideband gap-coupled microstrip antenna

arraysrdquo IEEE Trans On Antennas and Propagat vol 43 no 3 pp 313-317 Mar

1995

[6] D Sievenpiper L Z Romulo F J Broas N G Alexopolous and E Yablonovitch

ldquoHigh-impedance electromagnetic surfaces with a forbidden frequency bandrdquo

IEEE Trans Microwave Theory Tech vol 47 no 11 pp 311-335 Nov 1999

[7] F-R Yang K-P Ma Y Qian and T Itoh ldquo A Uniplanar Compact

Photonic-Bandgap (UC-PBG) Structure and Its Applications for Microwave

Circuitsrdquo IEEE Trans MTT vol 47 Aug 1999

[8] M F Abedin M Z Azad and M Ali ldquo wideband smaller unit-cell planar EBG

structures and their applicationrdquo IEEE Trans On Antenna and Propagat vol 56

no 3 pp 903-908 Mar 2008

[9] I J Bahl and P Bhartia Microstrip Antennas Artech House 1980

[10] JR James and P S Hall Handbook of Microstrip Antennas LondonPeter

Peregrinus Ltd 1989

52

[11] K C Gupta R Garg I J Bahl P Bhartia Microstrip Lines and Slotlines 2nd ed

Norwood MAArtech House 1996

[12] T Namiki Y Murayama and K Ito ldquo Improving radiation-pattern distortion of a

patch antenna having a finite ground planerdquo IEEE Trans On Antenna and

Propagat vol 51 no 3 pp 478-482 Mar 2003

[13] R Coccioli F-R Yang K-P Ma and T Itoh ldquo Aperture-coupled patch antenna

on UC-PBG substraterdquo IEEE Trans Microwave Theory Tech vol 47 no 11 pp

2123-2130 Nov 1999

[14] F Yang and Y Rahmat-samii ldquo Microstrip antenna integrated with

electromagnetic band-gap (EBG) structure a low mutual coupling design for array

applicationrdquo IEEE Trans On Antenna and Propagat vol 51 no 10 pp

2936-2946 Oct2003

[15] Z Iluz R Shavit and R Bauer ldquo Microstrip antenna phased array with

electromagnetic bandgap substraterdquo IEEE Trans On Antenna and Propagat vol

52 no 6 pp 1446-1453 June 2004

  • 封面pdf
  • 摘要與目錄pdf
  • 論文_終稿_pdf
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 DEU 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ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO 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 SVE ltFEFF0041006e007600e4006e00640020006400650020006800e4007200200069006e0073007400e4006c006c006e0069006e006700610072006e00610020006f006d002000640075002000760069006c006c00200073006b006100700061002000410064006f006200650020005000440046002d0064006f006b0075006d0065006e00740020006600f600720020006b00760061006c00690074006500740073007500740073006b0072006900660074006500720020007000e5002000760061006e006c00690067006100200073006b0072006900760061007200650020006f006300680020006600f600720020006b006f007200720065006b007400750072002e002000200053006b006100700061006400650020005000440046002d0064006f006b0075006d0065006e00740020006b0061006e002000f600700070006e00610073002000690020004100630072006f0062006100740020006f00630068002000410064006f00620065002000520065006100640065007200200035002e00300020006f00630068002000730065006e006100720065002egt ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU ltFEFF00560065007200770065006e00640065006e0020005300690065002000640069006500730065002000450069006e007300740065006c006c0075006e00670065006e0020007a0075006d002000450072007300740065006c006c0065006e00200076006f006e002000410064006f006200650020005000440046002d0044006f006b0075006d0065006e00740065006e002c00200076006f006e002000640065006e0065006e002000530069006500200068006f00630068007700650072007400690067006500200044007200750063006b006500200061007500660020004400650073006b0074006f0070002d0044007200750063006b00650072006e00200075006e0064002000500072006f006f0066002d00470065007200e400740065006e002000650072007a0065007500670065006e0020006d00f60063006800740065006e002e002000450072007300740065006c006c007400650020005000440046002d0044006f006b0075006d0065006e007400650020006b00f6006e006e0065006e0020006d006900740020004100630072006f00620061007400200075006e0064002000410064006f00620065002000520065006100640065007200200035002e00300020006f0064006500720020006800f600680065007200200067006500f600660066006e00650074002000770065007200640065006e002egt ESP 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 FRA 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 ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

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false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK 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false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT 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 DEU 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 ESP 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 FRA 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ITA 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 JPN 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 KOR 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

46

(b)355GHz

(c)37GHz

圖 3-25天線陣列輻射場型與 ETSI-mask 比較

圖 3-26 為天線陣列模擬與量測的反射損耗其工作頻率與設計之天線相去

不遠均包含 34GHz~37GHz頻寬設計較大的原因在於避免外在因素造成的頻

飄量測出來可達 33GHz~39GHz略往高頻飄不過與設計的反射損耗相當接

近圖 3-27 為實際量測的增益對頻率的變化圖其增益的全頻段都能大於

14dBiE-plane 與 H-plane 也較為接近整理數據如表 3-6

47

圖 3-26天線陣列反射損耗模擬與量測比較

圖 3-27天線陣列增益對頻率圖

48

頻率(GHz) 33 34 35 36 37 38

E-plane 增益

(dBi) 1485 1591 1620 1687 1627 1507

H-plane 增益

(dBi) 1421 1565 1598 1629 1607 1518

表 3-6天線陣列增益對頻率表

49

圖 3-28 為實體圖俯視圖側視圖與 EBG 實際大小比較

(a) 俯視圖

(b) 側視圖(空氣高度=05mm)

(c)EBG 實體結構

圖 3-28天線陣列實體圖

50

第四章 結論

(Conclusion)

本論文主要是研究適用於基地台的 WiMAX 頻段高增益天線陣列並控制其

頻寬增益及輻射場型能夠符合 ETSI(European Telecommunication Standards

Institute)的規範在論文第二章中提出的高增益天線陣列是利用一個能量分歧

器把能量等效分成三份的饋入網路接上三組一樣的三元素陣列矩形微帶天線所

組成的天線陣列最高增益可達到 17dBi工作頻率的增益都能超過要求的

14dBi輻射場型符合 ETSI-TS2 規範另外本論文所提出的天線陣列為印刷式

天線不但具有輕量化的特性且大幅降低製作上的困難度也減輕了成本的負擔

透過本論文所設計之 EBG 可有效降低傳統 EBG 結構的製程僅以 FR4 板

材即可自行實作比較無須鉚釘並提出有效提升微帶天線增益的包圍方式在

有限的接地面下可選擇適當的晶胞數來改善天線陣列的輻射場型抑制表面波

對天線的干擾讓邊際效應產生的感應磁流干擾降到最低最後在實作及量測部

分驗證我們模擬的結果

51

參考文獻

[1] W L Stutzman and G A Thiele Antenna Theory and Design 2nd ed New York

Wiley 1998

[2] A Balanis Antenna Theory Analysis and Design New York Wiley 1997

[3] R Gardelli G La Cono and M Albani ldquoA low-cost suspended patch antenna for

WLAN access points and point-to-point linksrdquo IEEE Antennas and Propagat vol

3 no 1 pp 90-93 2004

[4] H F Pues and A R Van de capelle ldquoAn impedance-matching technique for

increasing the bandwidth of microstrip antennasrdquo IEEE Trans on Antennas and

Propagat vol 37 no 11 pp 1345-1354 Nov 1989

[5] Q Song and XndashX Zhang ldquoA study on wideband gap-coupled microstrip antenna

arraysrdquo IEEE Trans On Antennas and Propagat vol 43 no 3 pp 313-317 Mar

1995

[6] D Sievenpiper L Z Romulo F J Broas N G Alexopolous and E Yablonovitch

ldquoHigh-impedance electromagnetic surfaces with a forbidden frequency bandrdquo

IEEE Trans Microwave Theory Tech vol 47 no 11 pp 311-335 Nov 1999

[7] F-R Yang K-P Ma Y Qian and T Itoh ldquo A Uniplanar Compact

Photonic-Bandgap (UC-PBG) Structure and Its Applications for Microwave

Circuitsrdquo IEEE Trans MTT vol 47 Aug 1999

[8] M F Abedin M Z Azad and M Ali ldquo wideband smaller unit-cell planar EBG

structures and their applicationrdquo IEEE Trans On Antenna and Propagat vol 56

no 3 pp 903-908 Mar 2008

[9] I J Bahl and P Bhartia Microstrip Antennas Artech House 1980

[10] JR James and P S Hall Handbook of Microstrip Antennas LondonPeter

Peregrinus Ltd 1989

52

[11] K C Gupta R Garg I J Bahl P Bhartia Microstrip Lines and Slotlines 2nd ed

Norwood MAArtech House 1996

[12] T Namiki Y Murayama and K Ito ldquo Improving radiation-pattern distortion of a

patch antenna having a finite ground planerdquo IEEE Trans On Antenna and

Propagat vol 51 no 3 pp 478-482 Mar 2003

[13] R Coccioli F-R Yang K-P Ma and T Itoh ldquo Aperture-coupled patch antenna

on UC-PBG substraterdquo IEEE Trans Microwave Theory Tech vol 47 no 11 pp

2123-2130 Nov 1999

[14] F Yang and Y Rahmat-samii ldquo Microstrip antenna integrated with

electromagnetic band-gap (EBG) structure a low mutual coupling design for array

applicationrdquo IEEE Trans On Antenna and Propagat vol 51 no 10 pp

2936-2946 Oct2003

[15] Z Iluz R Shavit and R Bauer ldquo Microstrip antenna phased array with

electromagnetic bandgap substraterdquo IEEE Trans On Antenna and Propagat vol

52 no 6 pp 1446-1453 June 2004

  • 封面pdf
  • 摘要與目錄pdf
  • 論文_終稿_pdf
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false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP 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 FRA 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 ITA ltFEFF005500740069006c0069007a007a006100720065002000710075006500730074006500200069006d0070006f007300740061007a0069006f006e00690020007000650072002000630072006500610072006500200064006f00630075006d0065006e00740069002000410064006f006200650020005000440046002000700065007200200075006e00610020007300740061006d007000610020006400690020007100750061006c0069007400e00020007300750020007300740061006d00700061006e0074006900200065002000700072006f006f0066006500720020006400650073006b0074006f0070002e0020004900200064006f00630075006d0065006e007400690020005000440046002000630072006500610074006900200070006f00730073006f006e006f0020006500730073006500720065002000610070006500720074006900200063006f006e0020004100630072006f00620061007400200065002000410064006f00620065002000520065006100640065007200200035002e003000200065002000760065007200730069006f006e006900200073007500630063006500730073006900760065002egt JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP 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 FRA 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 ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP 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 FRA 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 ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR ltFEFF004200720075006b00200064006900730073006500200069006e006e007300740069006c006c0069006e00670065006e0065002000740069006c002000e50020006f0070007000720065007400740065002000410064006f006200650020005000440046002d0064006f006b0075006d0065006e00740065007200200066006f00720020007500740073006b00720069006600740020006100760020006800f800790020006b00760061006c00690074006500740020007000e500200062006f007200640073006b0072006900760065007200200065006c006c00650072002000700072006f006f006600650072002e0020005000440046002d0064006f006b0075006d0065006e00740065006e00650020006b0061006e002000e50070006e00650073002000690020004100630072006f00620061007400200065006c006c00650072002000410064006f00620065002000520065006100640065007200200035002e003000200065006c006c00650072002000730065006e006500720065002egt PTB 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 SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

47

圖 3-26天線陣列反射損耗模擬與量測比較

圖 3-27天線陣列增益對頻率圖

48

頻率(GHz) 33 34 35 36 37 38

E-plane 增益

(dBi) 1485 1591 1620 1687 1627 1507

H-plane 增益

(dBi) 1421 1565 1598 1629 1607 1518

表 3-6天線陣列增益對頻率表

49

圖 3-28 為實體圖俯視圖側視圖與 EBG 實際大小比較

(a) 俯視圖

(b) 側視圖(空氣高度=05mm)

(c)EBG 實體結構

圖 3-28天線陣列實體圖

50

第四章 結論

(Conclusion)

本論文主要是研究適用於基地台的 WiMAX 頻段高增益天線陣列並控制其

頻寬增益及輻射場型能夠符合 ETSI(European Telecommunication Standards

Institute)的規範在論文第二章中提出的高增益天線陣列是利用一個能量分歧

器把能量等效分成三份的饋入網路接上三組一樣的三元素陣列矩形微帶天線所

組成的天線陣列最高增益可達到 17dBi工作頻率的增益都能超過要求的

14dBi輻射場型符合 ETSI-TS2 規範另外本論文所提出的天線陣列為印刷式

天線不但具有輕量化的特性且大幅降低製作上的困難度也減輕了成本的負擔

透過本論文所設計之 EBG 可有效降低傳統 EBG 結構的製程僅以 FR4 板

材即可自行實作比較無須鉚釘並提出有效提升微帶天線增益的包圍方式在

有限的接地面下可選擇適當的晶胞數來改善天線陣列的輻射場型抑制表面波

對天線的干擾讓邊際效應產生的感應磁流干擾降到最低最後在實作及量測部

分驗證我們模擬的結果

51

參考文獻

[1] W L Stutzman and G A Thiele Antenna Theory and Design 2nd ed New York

Wiley 1998

[2] A Balanis Antenna Theory Analysis and Design New York Wiley 1997

[3] R Gardelli G La Cono and M Albani ldquoA low-cost suspended patch antenna for

WLAN access points and point-to-point linksrdquo IEEE Antennas and Propagat vol

3 no 1 pp 90-93 2004

[4] H F Pues and A R Van de capelle ldquoAn impedance-matching technique for

increasing the bandwidth of microstrip antennasrdquo IEEE Trans on Antennas and

Propagat vol 37 no 11 pp 1345-1354 Nov 1989

[5] Q Song and XndashX Zhang ldquoA study on wideband gap-coupled microstrip antenna

arraysrdquo IEEE Trans On Antennas and Propagat vol 43 no 3 pp 313-317 Mar

1995

[6] D Sievenpiper L Z Romulo F J Broas N G Alexopolous and E Yablonovitch

ldquoHigh-impedance electromagnetic surfaces with a forbidden frequency bandrdquo

IEEE Trans Microwave Theory Tech vol 47 no 11 pp 311-335 Nov 1999

[7] F-R Yang K-P Ma Y Qian and T Itoh ldquo A Uniplanar Compact

Photonic-Bandgap (UC-PBG) Structure and Its Applications for Microwave

Circuitsrdquo IEEE Trans MTT vol 47 Aug 1999

[8] M F Abedin M Z Azad and M Ali ldquo wideband smaller unit-cell planar EBG

structures and their applicationrdquo IEEE Trans On Antenna and Propagat vol 56

no 3 pp 903-908 Mar 2008

[9] I J Bahl and P Bhartia Microstrip Antennas Artech House 1980

[10] JR James and P S Hall Handbook of Microstrip Antennas LondonPeter

Peregrinus Ltd 1989

52

[11] K C Gupta R Garg I J Bahl P Bhartia Microstrip Lines and Slotlines 2nd ed

Norwood MAArtech House 1996

[12] T Namiki Y Murayama and K Ito ldquo Improving radiation-pattern distortion of a

patch antenna having a finite ground planerdquo IEEE Trans On Antenna and

Propagat vol 51 no 3 pp 478-482 Mar 2003

[13] R Coccioli F-R Yang K-P Ma and T Itoh ldquo Aperture-coupled patch antenna

on UC-PBG substraterdquo IEEE Trans Microwave Theory Tech vol 47 no 11 pp

2123-2130 Nov 1999

[14] F Yang and Y Rahmat-samii ldquo Microstrip antenna integrated with

electromagnetic band-gap (EBG) structure a low mutual coupling design for array

applicationrdquo IEEE Trans On Antenna and Propagat vol 51 no 10 pp

2936-2946 Oct2003

[15] Z Iluz R Shavit and R Bauer ldquo Microstrip antenna phased array with

electromagnetic bandgap substraterdquo IEEE Trans On Antenna and Propagat vol

52 no 6 pp 1446-1453 June 2004

  • 封面pdf
  • 摘要與目錄pdf
  • 論文_終稿_pdf
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false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP 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 FRA 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 ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO 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 SVE ltFEFF0041006e007600e4006e00640020006400650020006800e4007200200069006e0073007400e4006c006c006e0069006e006700610072006e00610020006f006d002000640075002000760069006c006c00200073006b006100700061002000410064006f006200650020005000440046002d0064006f006b0075006d0065006e00740020006600f600720020006b00760061006c00690074006500740073007500740073006b0072006900660074006500720020007000e5002000760061006e006c00690067006100200073006b0072006900760061007200650020006f006300680020006600f600720020006b006f007200720065006b007400750072002e002000200053006b006100700061006400650020005000440046002d0064006f006b0075006d0065006e00740020006b0061006e002000f600700070006e00610073002000690020004100630072006f0062006100740020006f00630068002000410064006f00620065002000520065006100640065007200200035002e00300020006f00630068002000730065006e006100720065002egt ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU ltFEFF00560065007200770065006e00640065006e0020005300690065002000640069006500730065002000450069006e007300740065006c006c0075006e00670065006e0020007a0075006d002000450072007300740065006c006c0065006e00200076006f006e002000410064006f006200650020005000440046002d0044006f006b0075006d0065006e00740065006e002c00200076006f006e002000640065006e0065006e002000530069006500200068006f00630068007700650072007400690067006500200044007200750063006b006500200061007500660020004400650073006b0074006f0070002d0044007200750063006b00650072006e00200075006e0064002000500072006f006f0066002d00470065007200e400740065006e002000650072007a0065007500670065006e0020006d00f60063006800740065006e002e002000450072007300740065006c006c007400650020005000440046002d0044006f006b0075006d0065006e007400650020006b00f6006e006e0065006e0020006d006900740020004100630072006f00620061007400200075006e0064002000410064006f00620065002000520065006100640065007200200035002e00300020006f0064006500720020006800f600680065007200200067006500f600660066006e00650074002000770065007200640065006e002egt ESP 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 FRA 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 ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 ESP 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 FRA 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ITA 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 JPN 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50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

48

頻率(GHz) 33 34 35 36 37 38

E-plane 增益

(dBi) 1485 1591 1620 1687 1627 1507

H-plane 增益

(dBi) 1421 1565 1598 1629 1607 1518

表 3-6天線陣列增益對頻率表

49

圖 3-28 為實體圖俯視圖側視圖與 EBG 實際大小比較

(a) 俯視圖

(b) 側視圖(空氣高度=05mm)

(c)EBG 實體結構

圖 3-28天線陣列實體圖

50

第四章 結論

(Conclusion)

本論文主要是研究適用於基地台的 WiMAX 頻段高增益天線陣列並控制其

頻寬增益及輻射場型能夠符合 ETSI(European Telecommunication Standards

Institute)的規範在論文第二章中提出的高增益天線陣列是利用一個能量分歧

器把能量等效分成三份的饋入網路接上三組一樣的三元素陣列矩形微帶天線所

組成的天線陣列最高增益可達到 17dBi工作頻率的增益都能超過要求的

14dBi輻射場型符合 ETSI-TS2 規範另外本論文所提出的天線陣列為印刷式

天線不但具有輕量化的特性且大幅降低製作上的困難度也減輕了成本的負擔

透過本論文所設計之 EBG 可有效降低傳統 EBG 結構的製程僅以 FR4 板

材即可自行實作比較無須鉚釘並提出有效提升微帶天線增益的包圍方式在

有限的接地面下可選擇適當的晶胞數來改善天線陣列的輻射場型抑制表面波

對天線的干擾讓邊際效應產生的感應磁流干擾降到最低最後在實作及量測部

分驗證我們模擬的結果

51

參考文獻

[1] W L Stutzman and G A Thiele Antenna Theory and Design 2nd ed New York

Wiley 1998

[2] A Balanis Antenna Theory Analysis and Design New York Wiley 1997

[3] R Gardelli G La Cono and M Albani ldquoA low-cost suspended patch antenna for

WLAN access points and point-to-point linksrdquo IEEE Antennas and Propagat vol

3 no 1 pp 90-93 2004

[4] H F Pues and A R Van de capelle ldquoAn impedance-matching technique for

increasing the bandwidth of microstrip antennasrdquo IEEE Trans on Antennas and

Propagat vol 37 no 11 pp 1345-1354 Nov 1989

[5] Q Song and XndashX Zhang ldquoA study on wideband gap-coupled microstrip antenna

arraysrdquo IEEE Trans On Antennas and Propagat vol 43 no 3 pp 313-317 Mar

1995

[6] D Sievenpiper L Z Romulo F J Broas N G Alexopolous and E Yablonovitch

ldquoHigh-impedance electromagnetic surfaces with a forbidden frequency bandrdquo

IEEE Trans Microwave Theory Tech vol 47 no 11 pp 311-335 Nov 1999

[7] F-R Yang K-P Ma Y Qian and T Itoh ldquo A Uniplanar Compact

Photonic-Bandgap (UC-PBG) Structure and Its Applications for Microwave

Circuitsrdquo IEEE Trans MTT vol 47 Aug 1999

[8] M F Abedin M Z Azad and M Ali ldquo wideband smaller unit-cell planar EBG

structures and their applicationrdquo IEEE Trans On Antenna and Propagat vol 56

no 3 pp 903-908 Mar 2008

[9] I J Bahl and P Bhartia Microstrip Antennas Artech House 1980

[10] JR James and P S Hall Handbook of Microstrip Antennas LondonPeter

Peregrinus Ltd 1989

52

[11] K C Gupta R Garg I J Bahl P Bhartia Microstrip Lines and Slotlines 2nd ed

Norwood MAArtech House 1996

[12] T Namiki Y Murayama and K Ito ldquo Improving radiation-pattern distortion of a

patch antenna having a finite ground planerdquo IEEE Trans On Antenna and

Propagat vol 51 no 3 pp 478-482 Mar 2003

[13] R Coccioli F-R Yang K-P Ma and T Itoh ldquo Aperture-coupled patch antenna

on UC-PBG substraterdquo IEEE Trans Microwave Theory Tech vol 47 no 11 pp

2123-2130 Nov 1999

[14] F Yang and Y Rahmat-samii ldquo Microstrip antenna integrated with

electromagnetic band-gap (EBG) structure a low mutual coupling design for array

applicationrdquo IEEE Trans On Antenna and Propagat vol 51 no 10 pp

2936-2946 Oct2003

[15] Z Iluz R Shavit and R Bauer ldquo Microstrip antenna phased array with

electromagnetic bandgap substraterdquo IEEE Trans On Antenna and Propagat vol

52 no 6 pp 1446-1453 June 2004

  • 封面pdf
  • 摘要與目錄pdf
  • 論文_終稿_pdf
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ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN ltFEFF004200720075006700200069006e0064007300740069006c006c0069006e006700650072006e0065002000740069006c0020006100740020006f007000720065007400740065002000410064006f006200650020005000440046002d0064006f006b0075006d0065006e007400650072002000740069006c0020006b00760061006c00690074006500740073007500640073006b007200690076006e0069006e006700200065006c006c006500720020006b006f007200720065006b007400750072006c00e60073006e0069006e0067002e0020004400650020006f007000720065007400740065006400650020005000440046002d0064006f006b0075006d0065006e0074006500720020006b0061006e002000e50062006e00650073002000690020004100630072006f00620061007400200065006c006c006500720020004100630072006f006200610074002000520065006100640065007200200035002e00300020006f00670020006e0079006500720065002egt DEU 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 ESP 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 FRA ltFEFF005500740069006c006900730065007a00200063006500730020006f007000740069006f006e00730020006100660069006e00200064006500200063007200e900650072002000640065007300200064006f00630075006d0065006e00740073002000410064006f00620065002000500044004600200070006f007500720020006400650073002000e90070007200650075007600650073002000650074002000640065007300200069006d007000720065007300730069006f006e00730020006400650020006800610075007400650020007100750061006c0069007400e90020007300750072002000640065007300200069006d007000720069006d0061006e0074006500730020006400650020006200750072006500610075002e0020004c0065007300200064006f00630075006d0065006e00740073002000500044004600200063007200e900e90073002000700065007500760065006e0074002000ea0074007200650020006f007500760065007200740073002000640061006e00730020004100630072006f006200610074002c002000610069006e00730069002000710075002700410064006f00620065002000520065006100640065007200200035002e0030002000650074002000760065007200730069006f006e007300200075006c007400e90072006900650075007200650073002egt ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO ltFEFF004b00e40079007400e40020006e00e40069007400e4002000610073006500740075006b007300690061002c0020006b0075006e0020006c0075006f0074002000410064006f0062006500200050004400460020002d0064006f006b0075006d0065006e007400740065006a00610020006c0061006100640075006b006100730074006100200074007900f6007000f60079007400e400740075006c006f0073007400750073007400610020006a00610020007600650064006f007300740075007300740061002000760061007200740065006e002e00200020004c0075006f0064007500740020005000440046002d0064006f006b0075006d0065006e00740069007400200076006f0069006400610061006e0020006100760061007400610020004100630072006f0062006100740069006c006c00610020006a0061002000410064006f00620065002000520065006100640065007200200035002e0030003a006c006c00610020006a006100200075007500640065006d006d0069006c006c0061002egt SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP 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 FRA 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 ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP ltFEFF005500740069006c0069006300650020006500730074006100200063006f006e0066006900670075007200610063006900f3006e0020007000610072006100200063007200650061007200200064006f00630075006d0065006e0074006f0073002000640065002000410064006f0062006500200050004400460020007000610072006100200063006f006e00730065006700750069007200200069006d0070007200650073006900f3006e002000640065002000630061006c006900640061006400200065006e00200069006d0070007200650073006f0072006100730020006400650020006500730063007200690074006f00720069006f00200079002000680065007200720061006d00690065006e00740061007300200064006500200063006f00720072006500630063006900f3006e002e002000530065002000700075006500640065006e00200061006200720069007200200064006f00630075006d0065006e0074006f00730020005000440046002000630072006500610064006f007300200063006f006e0020004100630072006f006200610074002c002000410064006f00620065002000520065006100640065007200200035002e003000200079002000760065007200730069006f006e0065007300200070006f00730074006500720069006f007200650073002egt FRA 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 ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

49

圖 3-28 為實體圖俯視圖側視圖與 EBG 實際大小比較

(a) 俯視圖

(b) 側視圖(空氣高度=05mm)

(c)EBG 實體結構

圖 3-28天線陣列實體圖

50

第四章 結論

(Conclusion)

本論文主要是研究適用於基地台的 WiMAX 頻段高增益天線陣列並控制其

頻寬增益及輻射場型能夠符合 ETSI(European Telecommunication Standards

Institute)的規範在論文第二章中提出的高增益天線陣列是利用一個能量分歧

器把能量等效分成三份的饋入網路接上三組一樣的三元素陣列矩形微帶天線所

組成的天線陣列最高增益可達到 17dBi工作頻率的增益都能超過要求的

14dBi輻射場型符合 ETSI-TS2 規範另外本論文所提出的天線陣列為印刷式

天線不但具有輕量化的特性且大幅降低製作上的困難度也減輕了成本的負擔

透過本論文所設計之 EBG 可有效降低傳統 EBG 結構的製程僅以 FR4 板

材即可自行實作比較無須鉚釘並提出有效提升微帶天線增益的包圍方式在

有限的接地面下可選擇適當的晶胞數來改善天線陣列的輻射場型抑制表面波

對天線的干擾讓邊際效應產生的感應磁流干擾降到最低最後在實作及量測部

分驗證我們模擬的結果

51

參考文獻

[1] W L Stutzman and G A Thiele Antenna Theory and Design 2nd ed New York

Wiley 1998

[2] A Balanis Antenna Theory Analysis and Design New York Wiley 1997

[3] R Gardelli G La Cono and M Albani ldquoA low-cost suspended patch antenna for

WLAN access points and point-to-point linksrdquo IEEE Antennas and Propagat vol

3 no 1 pp 90-93 2004

[4] H F Pues and A R Van de capelle ldquoAn impedance-matching technique for

increasing the bandwidth of microstrip antennasrdquo IEEE Trans on Antennas and

Propagat vol 37 no 11 pp 1345-1354 Nov 1989

[5] Q Song and XndashX Zhang ldquoA study on wideband gap-coupled microstrip antenna

arraysrdquo IEEE Trans On Antennas and Propagat vol 43 no 3 pp 313-317 Mar

1995

[6] D Sievenpiper L Z Romulo F J Broas N G Alexopolous and E Yablonovitch

ldquoHigh-impedance electromagnetic surfaces with a forbidden frequency bandrdquo

IEEE Trans Microwave Theory Tech vol 47 no 11 pp 311-335 Nov 1999

[7] F-R Yang K-P Ma Y Qian and T Itoh ldquo A Uniplanar Compact

Photonic-Bandgap (UC-PBG) Structure and Its Applications for Microwave

Circuitsrdquo IEEE Trans MTT vol 47 Aug 1999

[8] M F Abedin M Z Azad and M Ali ldquo wideband smaller unit-cell planar EBG

structures and their applicationrdquo IEEE Trans On Antenna and Propagat vol 56

no 3 pp 903-908 Mar 2008

[9] I J Bahl and P Bhartia Microstrip Antennas Artech House 1980

[10] JR James and P S Hall Handbook of Microstrip Antennas LondonPeter

Peregrinus Ltd 1989

52

[11] K C Gupta R Garg I J Bahl P Bhartia Microstrip Lines and Slotlines 2nd ed

Norwood MAArtech House 1996

[12] T Namiki Y Murayama and K Ito ldquo Improving radiation-pattern distortion of a

patch antenna having a finite ground planerdquo IEEE Trans On Antenna and

Propagat vol 51 no 3 pp 478-482 Mar 2003

[13] R Coccioli F-R Yang K-P Ma and T Itoh ldquo Aperture-coupled patch antenna

on UC-PBG substraterdquo IEEE Trans Microwave Theory Tech vol 47 no 11 pp

2123-2130 Nov 1999

[14] F Yang and Y Rahmat-samii ldquo Microstrip antenna integrated with

electromagnetic band-gap (EBG) structure a low mutual coupling design for array

applicationrdquo IEEE Trans On Antenna and Propagat vol 51 no 10 pp

2936-2946 Oct2003

[15] Z Iluz R Shavit and R Bauer ldquo Microstrip antenna phased array with

electromagnetic bandgap substraterdquo IEEE Trans On Antenna and Propagat vol

52 no 6 pp 1446-1453 June 2004

  • 封面pdf
  • 摘要與目錄pdf
  • 論文_終稿_pdf
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50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged 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      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP 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 FRA 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 ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO 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 SVE ltFEFF0041006e007600e4006e00640020006400650020006800e4007200200069006e0073007400e4006c006c006e0069006e006700610072006e00610020006f006d002000640075002000760069006c006c00200073006b006100700061002000410064006f006200650020005000440046002d0064006f006b0075006d0065006e00740020006600f600720020006b00760061006c00690074006500740073007500740073006b0072006900660074006500720020007000e5002000760061006e006c00690067006100200073006b0072006900760061007200650020006f006300680020006600f600720020006b006f007200720065006b007400750072002e002000200053006b006100700061006400650020005000440046002d0064006f006b0075006d0065006e00740020006b0061006e002000f600700070006e00610073002000690020004100630072006f0062006100740020006f00630068002000410064006f00620065002000520065006100640065007200200035002e00300020006f00630068002000730065006e006100720065002egt ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN ltFEFF004200720075006700200069006e0064007300740069006c006c0069006e006700650072006e0065002000740069006c0020006100740020006f007000720065007400740065002000410064006f006200650020005000440046002d0064006f006b0075006d0065006e007400650072002000740069006c0020006b00760061006c00690074006500740073007500640073006b007200690076006e0069006e006700200065006c006c006500720020006b006f007200720065006b007400750072006c00e60073006e0069006e0067002e0020004400650020006f007000720065007400740065006400650020005000440046002d0064006f006b0075006d0065006e0074006500720020006b0061006e002000e50062006e00650073002000690020004100630072006f00620061007400200065006c006c006500720020004100630072006f006200610074002000520065006100640065007200200035002e00300020006f00670020006e0079006500720065002egt DEU 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 ESP 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 FRA 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 ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR ltFEFF004200720075006b00200064006900730073006500200069006e006e007300740069006c006c0069006e00670065006e0065002000740069006c002000e50020006f0070007000720065007400740065002000410064006f006200650020005000440046002d0064006f006b0075006d0065006e00740065007200200066006f00720020007500740073006b00720069006600740020006100760020006800f800790020006b00760061006c00690074006500740020007000e500200062006f007200640073006b0072006900760065007200200065006c006c00650072002000700072006f006f006600650072002e0020005000440046002d0064006f006b0075006d0065006e00740065006e00650020006b0061006e002000e50070006e00650073002000690020004100630072006f00620061007400200065006c006c00650072002000410064006f00620065002000520065006100640065007200200035002e003000200065006c006c00650072002000730065006e006500720065002egt PTB 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 SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

50

第四章 結論

(Conclusion)

本論文主要是研究適用於基地台的 WiMAX 頻段高增益天線陣列並控制其

頻寬增益及輻射場型能夠符合 ETSI(European Telecommunication Standards

Institute)的規範在論文第二章中提出的高增益天線陣列是利用一個能量分歧

器把能量等效分成三份的饋入網路接上三組一樣的三元素陣列矩形微帶天線所

組成的天線陣列最高增益可達到 17dBi工作頻率的增益都能超過要求的

14dBi輻射場型符合 ETSI-TS2 規範另外本論文所提出的天線陣列為印刷式

天線不但具有輕量化的特性且大幅降低製作上的困難度也減輕了成本的負擔

透過本論文所設計之 EBG 可有效降低傳統 EBG 結構的製程僅以 FR4 板

材即可自行實作比較無須鉚釘並提出有效提升微帶天線增益的包圍方式在

有限的接地面下可選擇適當的晶胞數來改善天線陣列的輻射場型抑制表面波

對天線的干擾讓邊際效應產生的感應磁流干擾降到最低最後在實作及量測部

分驗證我們模擬的結果

51

參考文獻

[1] W L Stutzman and G A Thiele Antenna Theory and Design 2nd ed New York

Wiley 1998

[2] A Balanis Antenna Theory Analysis and Design New York Wiley 1997

[3] R Gardelli G La Cono and M Albani ldquoA low-cost suspended patch antenna for

WLAN access points and point-to-point linksrdquo IEEE Antennas and Propagat vol

3 no 1 pp 90-93 2004

[4] H F Pues and A R Van de capelle ldquoAn impedance-matching technique for

increasing the bandwidth of microstrip antennasrdquo IEEE Trans on Antennas and

Propagat vol 37 no 11 pp 1345-1354 Nov 1989

[5] Q Song and XndashX Zhang ldquoA study on wideband gap-coupled microstrip antenna

arraysrdquo IEEE Trans On Antennas and Propagat vol 43 no 3 pp 313-317 Mar

1995

[6] D Sievenpiper L Z Romulo F J Broas N G Alexopolous and E Yablonovitch

ldquoHigh-impedance electromagnetic surfaces with a forbidden frequency bandrdquo

IEEE Trans Microwave Theory Tech vol 47 no 11 pp 311-335 Nov 1999

[7] F-R Yang K-P Ma Y Qian and T Itoh ldquo A Uniplanar Compact

Photonic-Bandgap (UC-PBG) Structure and Its Applications for Microwave

Circuitsrdquo IEEE Trans MTT vol 47 Aug 1999

[8] M F Abedin M Z Azad and M Ali ldquo wideband smaller unit-cell planar EBG

structures and their applicationrdquo IEEE Trans On Antenna and Propagat vol 56

no 3 pp 903-908 Mar 2008

[9] I J Bahl and P Bhartia Microstrip Antennas Artech House 1980

[10] JR James and P S Hall Handbook of Microstrip Antennas LondonPeter

Peregrinus Ltd 1989

52

[11] K C Gupta R Garg I J Bahl P Bhartia Microstrip Lines and Slotlines 2nd ed

Norwood MAArtech House 1996

[12] T Namiki Y Murayama and K Ito ldquo Improving radiation-pattern distortion of a

patch antenna having a finite ground planerdquo IEEE Trans On Antenna and

Propagat vol 51 no 3 pp 478-482 Mar 2003

[13] R Coccioli F-R Yang K-P Ma and T Itoh ldquo Aperture-coupled patch antenna

on UC-PBG substraterdquo IEEE Trans Microwave Theory Tech vol 47 no 11 pp

2123-2130 Nov 1999

[14] F Yang and Y Rahmat-samii ldquo Microstrip antenna integrated with

electromagnetic band-gap (EBG) structure a low mutual coupling design for array

applicationrdquo IEEE Trans On Antenna and Propagat vol 51 no 10 pp

2936-2946 Oct2003

[15] Z Iluz R Shavit and R Bauer ldquo Microstrip antenna phased array with

electromagnetic bandgap substraterdquo IEEE Trans On Antenna and Propagat vol

52 no 6 pp 1446-1453 June 2004

  • 封面pdf
  • 摘要與目錄pdf
  • 論文_終稿_pdf
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false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT 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 DEU 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 ESP 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 FRA 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 ITA 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 JPN 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 KOR 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 PTB ltFEFF005500740069006c0069007a006500200065007300730061007300200063006f006e00660069006700750072006100e700f50065007300200064006500200066006f0072006d00610020006100200063007200690061007200200064006f00630075006d0065006e0074006f0073002000410064006f0062006500200050004400460020007000610072006100200069006d0070007200650073007300f5006500730020006400650020007100750061006c0069006400610064006500200065006d00200069006d00700072006500730073006f0072006100730020006400650073006b0074006f00700020006500200064006900730070006f00730069007400690076006f0073002000640065002000700072006f00760061002e0020004f007300200064006f00630075006d0065006e0074006f00730020005000440046002000630072006900610064006f007300200070006f00640065006d0020007300650072002000610062006500720074006f007300200063006f006d0020006f0020004100630072006f006200610074002000650020006f002000410064006f00620065002000520065006100640065007200200035002e0030002000650020007600650072007300f50065007300200070006f00730074006500720069006f007200650073002egt SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP 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 FRA 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 ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT 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 DEU 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 ESP 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 FRA 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ITA 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 JPN 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50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

51

參考文獻

[1] W L Stutzman and G A Thiele Antenna Theory and Design 2nd ed New York

Wiley 1998

[2] A Balanis Antenna Theory Analysis and Design New York Wiley 1997

[3] R Gardelli G La Cono and M Albani ldquoA low-cost suspended patch antenna for

WLAN access points and point-to-point linksrdquo IEEE Antennas and Propagat vol

3 no 1 pp 90-93 2004

[4] H F Pues and A R Van de capelle ldquoAn impedance-matching technique for

increasing the bandwidth of microstrip antennasrdquo IEEE Trans on Antennas and

Propagat vol 37 no 11 pp 1345-1354 Nov 1989

[5] Q Song and XndashX Zhang ldquoA study on wideband gap-coupled microstrip antenna

arraysrdquo IEEE Trans On Antennas and Propagat vol 43 no 3 pp 313-317 Mar

1995

[6] D Sievenpiper L Z Romulo F J Broas N G Alexopolous and E Yablonovitch

ldquoHigh-impedance electromagnetic surfaces with a forbidden frequency bandrdquo

IEEE Trans Microwave Theory Tech vol 47 no 11 pp 311-335 Nov 1999

[7] F-R Yang K-P Ma Y Qian and T Itoh ldquo A Uniplanar Compact

Photonic-Bandgap (UC-PBG) Structure and Its Applications for Microwave

Circuitsrdquo IEEE Trans MTT vol 47 Aug 1999

[8] M F Abedin M Z Azad and M Ali ldquo wideband smaller unit-cell planar EBG

structures and their applicationrdquo IEEE Trans On Antenna and Propagat vol 56

no 3 pp 903-908 Mar 2008

[9] I J Bahl and P Bhartia Microstrip Antennas Artech House 1980

[10] JR James and P S Hall Handbook of Microstrip Antennas LondonPeter

Peregrinus Ltd 1989

52

[11] K C Gupta R Garg I J Bahl P Bhartia Microstrip Lines and Slotlines 2nd ed

Norwood MAArtech House 1996

[12] T Namiki Y Murayama and K Ito ldquo Improving radiation-pattern distortion of a

patch antenna having a finite ground planerdquo IEEE Trans On Antenna and

Propagat vol 51 no 3 pp 478-482 Mar 2003

[13] R Coccioli F-R Yang K-P Ma and T Itoh ldquo Aperture-coupled patch antenna

on UC-PBG substraterdquo IEEE Trans Microwave Theory Tech vol 47 no 11 pp

2123-2130 Nov 1999

[14] F Yang and Y Rahmat-samii ldquo Microstrip antenna integrated with

electromagnetic band-gap (EBG) structure a low mutual coupling design for array

applicationrdquo IEEE Trans On Antenna and Propagat vol 51 no 10 pp

2936-2946 Oct2003

[15] Z Iluz R Shavit and R Bauer ldquo Microstrip antenna phased array with

electromagnetic bandgap substraterdquo IEEE Trans On Antenna and Propagat vol

52 no 6 pp 1446-1453 June 2004

  • 封面pdf
  • 摘要與目錄pdf
  • 論文_終稿_pdf
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 ESP 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 FRA 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 ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP 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 FRA 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 ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

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false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP 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 FRA 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 ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB ltFEFF005500740069006c0069007a006500200065007300730061007300200063006f006e00660069006700750072006100e700f50065007300200064006500200066006f0072006d00610020006100200063007200690061007200200064006f00630075006d0065006e0074006f0073002000410064006f0062006500200050004400460020007000610072006100200069006d0070007200650073007300f5006500730020006400650020007100750061006c0069006400610064006500200065006d00200069006d00700072006500730073006f0072006100730020006400650073006b0074006f00700020006500200064006900730070006f00730069007400690076006f0073002000640065002000700072006f00760061002e0020004f007300200064006f00630075006d0065006e0074006f00730020005000440046002000630072006900610064006f007300200070006f00640065006d0020007300650072002000610062006500720074006f007300200063006f006d0020006f0020004100630072006f006200610074002000650020006f002000410064006f00620065002000520065006100640065007200200035002e0030002000650020007600650072007300f50065007300200070006f00730074006500720069006f007200650073002egt SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

52

[11] K C Gupta R Garg I J Bahl P Bhartia Microstrip Lines and Slotlines 2nd ed

Norwood MAArtech House 1996

[12] T Namiki Y Murayama and K Ito ldquo Improving radiation-pattern distortion of a

patch antenna having a finite ground planerdquo IEEE Trans On Antenna and

Propagat vol 51 no 3 pp 478-482 Mar 2003

[13] R Coccioli F-R Yang K-P Ma and T Itoh ldquo Aperture-coupled patch antenna

on UC-PBG substraterdquo IEEE Trans Microwave Theory Tech vol 47 no 11 pp

2123-2130 Nov 1999

[14] F Yang and Y Rahmat-samii ldquo Microstrip antenna integrated with

electromagnetic band-gap (EBG) structure a low mutual coupling design for array

applicationrdquo IEEE Trans On Antenna and Propagat vol 51 no 10 pp

2936-2946 Oct2003

[15] Z Iluz R Shavit and R Bauer ldquo Microstrip antenna phased array with

electromagnetic bandgap substraterdquo IEEE Trans On Antenna and Propagat vol

52 no 6 pp 1446-1453 June 2004

  • 封面pdf
  • 摘要與目錄pdf
  • 論文_終稿_pdf
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false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP 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 FRA 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 ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO ltFEFF004b00e40079007400e40020006e00e40069007400e4002000610073006500740075006b007300690061002c0020006b0075006e0020006c0075006f0074002000410064006f0062006500200050004400460020002d0064006f006b0075006d0065006e007400740065006a00610020006c0061006100640075006b006100730074006100200074007900f6007000f60079007400e400740075006c006f0073007400750073007400610020006a00610020007600650064006f007300740075007300740061002000760061007200740065006e002e00200020004c0075006f0064007500740020005000440046002d0064006f006b0075006d0065006e00740069007400200076006f0069006400610061006e0020006100760061007400610020004100630072006f0062006100740069006c006c00610020006a0061002000410064006f00620065002000520065006100640065007200200035002e0030003a006c006c00610020006a006100200075007500640065006d006d0069006c006c0061002egt SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP ltFEFF005500740069006c0069006300650020006500730074006100200063006f006e0066006900670075007200610063006900f3006e0020007000610072006100200063007200650061007200200064006f00630075006d0065006e0074006f0073002000640065002000410064006f0062006500200050004400460020007000610072006100200063006f006e00730065006700750069007200200069006d0070007200650073006900f3006e002000640065002000630061006c006900640061006400200065006e00200069006d0070007200650073006f0072006100730020006400650020006500730063007200690074006f00720069006f00200079002000680065007200720061006d00690065006e00740061007300200064006500200063006f00720072006500630063006900f3006e002e002000530065002000700075006500640065006e00200061006200720069007200200064006f00630075006d0065006e0074006f00730020005000440046002000630072006500610064006f007300200063006f006e0020004100630072006f006200610074002c002000410064006f00620065002000520065006100640065007200200035002e003000200079002000760065007200730069006f006e0065007300200070006f00730074006500720069006f007200650073002egt FRA ltFEFF005500740069006c006900730065007a00200063006500730020006f007000740069006f006e00730020006100660069006e00200064006500200063007200e900650072002000640065007300200064006f00630075006d0065006e00740073002000410064006f00620065002000500044004600200070006f007500720020006400650073002000e90070007200650075007600650073002000650074002000640065007300200069006d007000720065007300730069006f006e00730020006400650020006800610075007400650020007100750061006c0069007400e90020007300750072002000640065007300200069006d007000720069006d0061006e0074006500730020006400650020006200750072006500610075002e0020004c0065007300200064006f00630075006d0065006e00740073002000500044004600200063007200e900e90073002000700065007500760065006e0074002000ea0074007200650020006f007500760065007200740073002000640061006e00730020004100630072006f006200610074002c002000610069006e00730069002000710075002700410064006f00620065002000520065006100640065007200200035002e0030002000650074002000760065007200730069006f006e007300200075006c007400e90072006900650075007200650073002egt ITA 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 JPN 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 KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO 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 SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice

      ltlt ASCII85EncodePages false AllowTransparency false AutoPositionEPSFiles true AutoRotatePages All Binding Left CalGrayProfile (Dot Gain 20) CalRGBProfile (sRGB IEC61966-21) CalCMYKProfile (US Web Coated 050SWOP051 v2) sRGBProfile (sRGB IEC61966-21) CannotEmbedFontPolicy Warning CompatibilityLevel 14 CompressObjects Tags CompressPages true ConvertImagesToIndexed true PassThroughJPEGImages true CreateJDFFile false CreateJobTicket false DefaultRenderingIntent Default DetectBlends true DetectCurves 00000 ColorConversionStrategy LeaveColorUnchanged DoThumbnails false EmbedAllFonts true EmbedOpenType false ParseICCProfilesInComments true EmbedJobOptions true DSCReportingLevel 0 EmitDSCWarnings false EndPage -1 ImageMemory 1048576 LockDistillerParams false MaxSubsetPct 100 Optimize true OPM 1 ParseDSCComments true ParseDSCCommentsForDocInfo true PreserveCopyPage true PreserveDICMYKValues true PreserveEPSInfo true PreserveFlatness true PreserveHalftoneInfo false PreserveOPIComments false PreserveOverprintSettings true StartPage 1 SubsetFonts true TransferFunctionInfo Apply UCRandBGInfo Preserve UsePrologue false ColorSettingsFile () AlwaysEmbed [ true ] NeverEmbed [ true ] AntiAliasColorImages false CropColorImages true ColorImageMinResolution 300 ColorImageMinResolutionPolicy OK DownsampleColorImages true ColorImageDownsampleType Bicubic ColorImageResolution 300 ColorImageDepth -1 ColorImageMinDownsampleDepth 1 ColorImageDownsampleThreshold 150000 EncodeColorImages true ColorImageFilter DCTEncode AutoFilterColorImages true ColorImageAutoFilterStrategy JPEG ColorACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt ColorImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000ColorACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000ColorImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasGrayImages false CropGrayImages true GrayImageMinResolution 300 GrayImageMinResolutionPolicy OK DownsampleGrayImages true GrayImageDownsampleType Bicubic GrayImageResolution 300 GrayImageDepth -1 GrayImageMinDownsampleDepth 2 GrayImageDownsampleThreshold 150000 EncodeGrayImages true GrayImageFilter DCTEncode AutoFilterGrayImages true GrayImageAutoFilterStrategy JPEG GrayACSImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt GrayImageDict ltlt QFactor 015 HSamples [1 1 1 1] VSamples [1 1 1 1] gtgt JPEG2000GrayACSImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt JPEG2000GrayImageDict ltlt TileWidth 256 TileHeight 256 Quality 30 gtgt AntiAliasMonoImages false CropMonoImages true MonoImageMinResolution 1200 MonoImageMinResolutionPolicy OK DownsampleMonoImages true MonoImageDownsampleType Bicubic MonoImageResolution 1200 MonoImageDepth -1 MonoImageDownsampleThreshold 150000 EncodeMonoImages true MonoImageFilter CCITTFaxEncode MonoImageDict ltlt K -1 gtgt AllowPSXObjects false CheckCompliance [ None ] PDFX1aCheck false PDFX3Check false PDFXCompliantPDFOnly false PDFXNoTrimBoxError true PDFXTrimBoxToMediaBoxOffset [ 000000 000000 000000 000000 ] PDFXSetBleedBoxToMediaBox true PDFXBleedBoxToTrimBoxOffset [ 000000 000000 000000 000000 ] PDFXOutputIntentProfile () PDFXOutputConditionIdentifier () PDFXOutputCondition () PDFXRegistryName () PDFXTrapped False Description ltlt CHS ltFEFF4f7f75288fd94e9b8bbe5b9a521b5efa7684002000500044004600206587686353ef901a8fc7684c976262535370673a548c002000700072006f006f00660065007200208fdb884c9ad88d2891cf62535370300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c676562535f00521b5efa768400200050004400460020658768633002gt CHT ltFEFF4f7f752890194e9b8a2d7f6e5efa7acb7684002000410064006f006200650020005000440046002065874ef653ef5728684c9762537088686a5f548c002000700072006f006f00660065007200204e0a73725f979ad854c18cea7684521753706548679c300260a853ef4ee54f7f75280020004100630072006f0062006100740020548c002000410064006f00620065002000520065006100640065007200200035002e003000204ee553ca66f49ad87248672c4f86958b555f5df25efa7acb76840020005000440046002065874ef63002gt DAN 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 DEU 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 ESP ltFEFF005500740069006c0069006300650020006500730074006100200063006f006e0066006900670075007200610063006900f3006e0020007000610072006100200063007200650061007200200064006f00630075006d0065006e0074006f0073002000640065002000410064006f0062006500200050004400460020007000610072006100200063006f006e00730065006700750069007200200069006d0070007200650073006900f3006e002000640065002000630061006c006900640061006400200065006e00200069006d0070007200650073006f0072006100730020006400650020006500730063007200690074006f00720069006f00200079002000680065007200720061006d00690065006e00740061007300200064006500200063006f00720072006500630063006900f3006e002e002000530065002000700075006500640065006e00200061006200720069007200200064006f00630075006d0065006e0074006f00730020005000440046002000630072006500610064006f007300200063006f006e0020004100630072006f006200610074002c002000410064006f00620065002000520065006100640065007200200035002e003000200079002000760065007200730069006f006e0065007300200070006f00730074006500720069006f007200650073002egt FRA ltFEFF005500740069006c006900730065007a00200063006500730020006f007000740069006f006e00730020006100660069006e00200064006500200063007200e900650072002000640065007300200064006f00630075006d0065006e00740073002000410064006f00620065002000500044004600200070006f007500720020006400650073002000e90070007200650075007600650073002000650074002000640065007300200069006d007000720065007300730069006f006e00730020006400650020006800610075007400650020007100750061006c0069007400e90020007300750072002000640065007300200069006d007000720069006d0061006e0074006500730020006400650020006200750072006500610075002e0020004c0065007300200064006f00630075006d0065006e00740073002000500044004600200063007200e900e90073002000700065007500760065006e0074002000ea0074007200650020006f007500760065007200740073002000640061006e00730020004100630072006f006200610074002c002000610069006e00730069002000710075002700410064006f00620065002000520065006100640065007200200035002e0030002000650074002000760065007200730069006f006e007300200075006c007400e90072006900650075007200650073002egt ITA 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 JPN ltFEFF9ad854c18cea51fa529b7528002000410064006f0062006500200050004400460020658766f8306e4f5c6210306b4f7f75283057307e30593002537052376642306e753b8cea3092670059279650306b4fdd306430533068304c3067304d307e3059300230c730b930af30c830c330d730d730ea30f330bf3067306e53705237307e305f306f30d730eb30fc30d57528306b9069305730663044307e305930023053306e8a2d5b9a30674f5c62103055308c305f0020005000440046002030d530a130a430eb306f3001004100630072006f0062006100740020304a30883073002000410064006f00620065002000520065006100640065007200200035002e003000204ee5964d3067958b304f30533068304c3067304d307e30593002gt KOR ltFEFFc7740020c124c815c7440020c0acc6a9d558c5ec0020b370c2a4d06cd0d10020d504b9b0d1300020bc0f0020ad50c815ae30c5d0c11c0020ace0d488c9c8b85c0020c778c1c4d560002000410064006f0062006500200050004400460020bb38c11cb97c0020c791c131d569b2c8b2e4002e0020c774b807ac8c0020c791c131b41c00200050004400460020bb38c11cb2940020004100630072006f0062006100740020bc0f002000410064006f00620065002000520065006100640065007200200035002e00300020c774c0c1c5d0c11c0020c5f40020c2180020c788c2b5b2c8b2e4002egt NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken voor kwaliteitsafdrukken op desktopprinters en proofers De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 50 en hoger) NOR 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 PTB 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 SUO ltFEFF004b00e40079007400e40020006e00e40069007400e4002000610073006500740075006b007300690061002c0020006b0075006e0020006c0075006f0074002000410064006f0062006500200050004400460020002d0064006f006b0075006d0065006e007400740065006a00610020006c0061006100640075006b006100730074006100200074007900f6007000f60079007400e400740075006c006f0073007400750073007400610020006a00610020007600650064006f007300740075007300740061002000760061007200740065006e002e00200020004c0075006f0064007500740020005000440046002d0064006f006b0075006d0065006e00740069007400200076006f0069006400610061006e0020006100760061007400610020004100630072006f0062006100740069006c006c00610020006a0061002000410064006f00620065002000520065006100640065007200200035002e0030003a006c006c00610020006a006100200075007500640065006d006d0069006c006c0061002egt SVE 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 ENU (Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers Created PDF documents can be opened with Acrobat and Adobe Reader 50 and later) gtgt Namespace [ (Adobe) (Common) (10) ] OtherNamespaces [ ltlt AsReaderSpreads false CropImagesToFrames true ErrorControl WarnAndContinue FlattenerIgnoreSpreadOverrides false IncludeGuidesGrids false IncludeNonPrinting false IncludeSlug false Namespace [ (Adobe) (InDesign) (40) ] OmitPlacedBitmaps false OmitPlacedEPS false OmitPlacedPDF false SimulateOverprint Legacy gtgt ltlt AddBleedMarks false AddColorBars false AddCropMarks false AddPageInfo false AddRegMarks false ConvertColors NoConversion DestinationProfileName () DestinationProfileSelector NA Downsample16BitImages true FlattenerPreset ltlt PresetSelector MediumResolution gtgt FormElements false GenerateStructure true IncludeBookmarks false IncludeHyperlinks false IncludeInteractive false IncludeLayers false IncludeProfiles true MultimediaHandling UseObjectSettings Namespace [ (Adobe) (CreativeSuite) (20) ] PDFXOutputIntentProfileSelector NA PreserveEditing true UntaggedCMYKHandling LeaveUntagged UntaggedRGBHandling LeaveUntagged UseDocumentBleed false gtgt ]gtgt setdistillerparamsltlt HWResolution [2400 2400] PageSize [612000 792000]gtgt setpagedevice