Huong Dan DrivingTest_TEMS

1HANOI TELECOMMUNICATION ENGINEERING SERVICE JSC

Trnh by: Trn Vnh CngEmail: [email protected]

Copyright Xinmin Telecom 2002 2

Ni dung trnh by

Gii thiu v TEMS Investigation

Cch to bn trm trn MapInfo

Thit b o v cc th tc o

Mt s li thng gp trong qu trnh Driving Test

Cch export logfile v gii thiu mt s KPI


1. Gii thiu chung

TEMS Investigation l mt cng c o kim nh gi thi gian thc

cc thng s phn nh cht lng mng di ng qua giao din v

tuyn. N cho php ta theo di c knh thoi hay knh d liu qua

GPRS.

D liu c xem xt trong thi gian thc do TEMS Investigation

dng driving test khc phc s c. Tt c d liu trong qu

trnh o c lu trong logfile cho mc ch x l.



2. Ci t

2.1 Yu cu cu hnh

PC: Pentium III 800 MHz, 256 MB RAM

Ports: USB port for hardware key. USB port for Nokia mobile. Two serial ports for a TEMS mobile

(one for TEMS Investigation and one for data services). One serial port for any other external device.

Graphics: 1024 _ 768 (SVGA) with at least 16 bit colors (High Color)

Sound card and loudspeakers for event audio indications

o cho nhiu MS th cn my cu hnh mnh hn. V d: 2.0 GHz Pentium IV vi 512 MB RAM.

Windows XP, 512 MB RAM

2.2 Ci t Ci TEMS Investigation:

Double-click the file TEMS Investigation GSM 5.0.msi.

Ci HASP

1. Install HASPEmulPE-XP_2_33_a002W.EXE

2. Run HASPkey.exe, enter your name & click generate.haspemul.reg will be created.

3. Double click haspemul.reg and confirm with "Yes".

4. Double click investigation.reg and confirm with "Yes".

Running TEMS Investigation 5 HASP Emulator1. Double click "HASP Emulator" icon.

5. Click "HASP Emul" button (the top-left button inside HASP Emulator's window).

Ci USB driver


5Giao din ca TEMS

3. Kt ni


Workspace: Lu tt c ca s v thit lp ca

ngi s dng trong 1 phin lm vic. Mt

workspace c th gm nhiu worksheet.

Navigator: Thay i khong mu cho cc n

v thng tin v qun l cc worksheet.

Menu: Phn nh hu ht cc thanh cng c

Status bar: Biu din k t v bn tin trng thi

hin thi ca ng dng.

Toolbars: Chc nng ch yu ca tt c cc

thanh cng c c th c s dng.


4. Mt s ca s lm vic mc nh ca TEMS Investigation


Trong mi trng lm vic ca TEMS ta c th thm hoc bt cc worksheet bng cch vo:

Presentation -> chn i tng mun hin th.

4. 1 GSM



4. 2 DATA



4.3 SIGNALLING

Worksheet ny m t cc s kin trn giao din v tuyn v i cng vi n l cc bn tin

trn giao din lp 3.



4.4 MAP

Ca s ny hin th cc kt qu mong mun nh rxlevel, rxqual, thun tin cho qu trnh i

o th d liu v bn l cn thit. Ta c th m bn : Hp thoi Layer Control xut hin ,

chn Add, sau ch n bn cn hin th, OK. Chn automatic Layer, OK.


4.5 CONFIGURATION




Cellfile l mt file c nh dng *.cell, bao gm cc thng s m t cell nh tn cell, kinh , v cell,

MCC, MNC, LAC, CI (serving cell v neighbor cell),T cc thng s o c ca MS, TEMS

Investigation chuyn i mt s thng s trong tng ng vi cc thng tin trn cellfile v hin th trn

mn hnh.

M t cu trc ca Cellfile:

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Cc bc to cellfile.

B1.Ly c s d liu t BSC qua OSS. V d:

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B2.To CDD bng Exert. CDD l file cha cc quan h ca cc cell, cc cell neighbor,

Cc thng s nh BSPWR, BSRXSUFF....

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Sau khi chy xong ta c cc file sau:

Ta dng cc file *.xls to file *.cel

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B3.To file *.cel

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Sau khi to file *.cel th ta phi b sung thm cc trng Lon, Lat, ANT_DIRECT,

ANT_BEAM_WIDTH c mt cellfile hon chnh.

File *.cel sau khi chy B sung thm cc trng

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M cellfile chnh sa lun trong TEMS: Trong worksheet Configuration -> Cell Defination chn

Open sau chn n cellfile cn sa.



4.6 CONTROL

Worksheet ny c ca s iu khin nhng quan trng nht l ca s Command sequence

(thit lp ch o thoi).

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1. i Driving Test

Gm t nht 2 ngi: ngi li xe v mt k s Driving Test

2. Thit b Driving test v cc ngun h tr

Thit b Driving test bao gm:

Phn mm TEMS Investigation v mt my tnh xch tay

Mt in thoi test (T610 Ericsson)

Mt GPS

Ngun in cung cp (c ni vi acqui ca xe chuyn i in thnh in

220V cho my tnh)

Cc ngun h tr: Cellfile, Sim Test, s ng i, v tr site.

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3. Th tc o

Cc th tc chun b:

ng i phi c thc hin cn thn trc khi thc hin.

ng i phi bao gm tt c cc cell

Nu c th ng i c ln k hoch c th i c handover c 2 chiu

t nht cc tuyn ng chnh phi c o

Ci t thit b:

Cc li ngt ngun trong php o c th sinh ra li d liu khi tin hnh php o.

ngn nga cc hin tng trn phi m bo rng my tnh xch tay, in thoi Test

v GPS phi c np in.

Phi gi cho cc thit b c n nh sut qu trnh o m bo cho mt kt qu

chnh xc.

Lu log file vo v tr xc nh trong my tnh vi nh dng MMDDYY_Name.



4. Driving Test

Trong qu trnh o, cc i o ghi li nhng vn v thit b v cc s kin

khng bnh thng nh sai phi , sai ta ,.

4.1 Kt ni thit b

Kt ni my tnh vi my TEMS investigation Sony Erricson T610:

Kt ni cp v ci t driver cho cp T610.



Vo device manager kim tra my tnh cp cp cng COM no.

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Xc nhn my TEMS v cng kt ni trong phn mm: Trong phn mm

TEMS Investigation, click biu tng Add Equipment s xut hi hp

thoi sau:

Chn cng cm thit b v chn T610 sau click OK.

Sau click vo biu tng CONNECT kt ni my TEMS T610.

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Vic kt ni GPS cng thc hin tng t nh kt ni my TEMS.

Sau khi xc nh cng COM cho GPS th click vo biu tng Add

Equipment xut hin hp thoi:

Chn cng cm thit b v chn NMEA 0183 v click OK ng ca s

ny.

Sau click vo biu tng CONNECT kt ni my GPS.

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ngt kt ni MS v GPS

Click Disconnect All trn Connections toolbar ngt tt c cc kt ni

vi my tnh (TEMS v GPS).

Click Disconnect trn Connections toolbar ngt kt ni mun chn.


4. 2 Ghi d liu (logfile)

Qu trnh o kim c chia thnh nhiu mc ch khc nhau. Ngoi nhng

li c th pht hin ngay khi o th qu trnh phn tch, tng hp d liu cng

nh cc bo co thu c t ton b kt qu o l rt quan trng.

Kch vo biu tng Start Recording bt u ghi kt qu o.

Kch vo biu tng Stop Recording kt thc bn ghi.

Lu : Trong qu trnh o v mt l do no m my tnh b mt kt ni vi

thit b, hay bn ghi b dng th logfile c vn c lu n thi im b mt kt

ni v chng ta thc hin ghi tip bng mt logfile mi.

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4.3 Thit lp ch ghi

o vng ph

o c vng ph chnh xc ca cc cell th cn phi ghi d liu trong ch

Idle Mode (ch ri).

o ch thoi:

o c cc php o trong ch ny mt cch chnh xc v y

th cn thit lp tuyn ng i theo c 2 hng.

Thit lp ch o: Trong Worksheet Control ca TEMS investigation

chn ca s Command Sequence, kch vo biu tng Add thit

lp.

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Ca s Add Command xut hin chn theo cc ch dn:

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Tip tc chn thi gian ch:


Chn kt thc cuc gi:

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Chn thi gian ngh:


Sau khi thit lp ta c:


Nh vy ta thit lp ch t quay s ca MS. bt u cho MS t ng

quay s, ta click vo biu tng Start bt u quay s v Stop dng quay

s.

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o kt hp

kt hp nh gi c v vng ph cng nh trong cht lng thoi, chuyn

giao,ta c th t nhiu ch quay khc nhau. V d ta c th t MS gi

trong 60s th kt thc v ngh trong 60s ri li gi.


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Cc bc t bng mu cho Rxlevel

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Cc bc t mu cho C/I

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Cc bc t mu cho Rxqual

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1. Sai c s d liu

Dn n cc vn :

Thiu neighbor, sai mc ch vng ph,.

Li thng gp l: sai ta (n v tr trm trn bn nhng khng c

trm hoc l n trm nhng li hin th ta trm lai hin th sai lch trn

bn .

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2. Sai Phi

Sai phi cp:

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Sai phi tng si:

y l li kh nhy cm, khi o cn lu n cng tn hiu ca MS khi

thoi, cng tn hiu ca MS trn knh BCCH v TCH s chnh lch nhau

rt nhiu, trong ch thoi MS lin tc intracell Handover gia cc tn BCCH

v TCH.

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Thiu Neighbor: Tc l 2 cell c vng ph chng ln nhau nhng khng c

quan h vi nhau v vy khng c chuyn giao dn n MS khng c phc tt

nht.

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Vng ph:

Vng ph xa: Gy nhiu n cc trm khc v nh hng ti phn b lu

lng.

Nguyn nhn: l nhng li do lp sai anten, sai Tilt, sai Azimuth.

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Vng ph gn:

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Cch export logfile o kim

1. Export ra file Text. nh dng file l *.FMT

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File text c ui *.FMT c th m bng excel. V d:

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Mc ch l thng k cc s kin trong qu trnh Driving Test.

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2. Export ra file *.Tab. nh dng file ny m c bng Mapinfor

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Sau khi c file *.tab, ta m file ny bng Mapinfor v kt hp vi bn ta

c bn ng i v mc tn hiu thu c trn nhng tuyn ng m ta

va thc hin Driving Test.

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Khi nim v mt s KPI (Key Performance Index)

Khi nimKPI :

- L ch s th hin cht lng mng

- L ch s th hin cht lng mng tt hay ti

-CDR: Call Drop Rate, (target =99%)

T l thit lp cuc gi thnh cng = (Tng s cuc gi c thit lp thnh cng) x100%

Tng s ln thit lp cuc gi

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-SDR: SDCCH Drop Rate (target =99,5%)

T l truy cp ngu nhin thnh cng=(Tng s ln truy cp ngu nhin thnh cng)x100%

Tng s ln truy cp ngu nhin

-TCH Congestion (Target

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-SD congestion: SDCCH congestion (target =97,8%)

T l cuc gi thnh cng = (1-CDR) x CSSR

-HISR: Incoming HO Success Rate (target >=97,5%)

T l HO vo thnh cng = (T l HO vo cell thnh cng) x 100%

Tng s cuc HO vo cell

-HOSR: Outgoing HO Success Rate (target >=97,5%)

T l HO ra thnh cng = (Tng s cuc HO ra khi cell thnh cng) x 100%

Tng s cuc HO ra khi cell

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-Export KPI: export ra tt c cc nhng events ca logfile ghi c nh:

- Cc trng thi khi o kim nh: call attempt, call establish,.

- Export phn loi mu o: Rxlev full, Rxlev sub,

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-Sau khi chn cc s kin, chn ngng, chn MS cn export th ta c mt file bo co

nh sau:

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Cch to bn trm trn phn mm MapInfo

-File CSDL u vo l sitefull.txt to bn trm.

Bc 1: M phn mm MapInfo, Menu Quick Star xut hin , chn Cancel.

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Bc 2: M File CSDL

Kch vo nt Open hoc kch vo File/Open trn thanh Toolbar

hoc nhn (Ctrl+O) m File CSDL. Ca s Open hin ra:

trng Files of type chn loi File l Microsoft Exel (*.xls), chn ti th mc cha File CSDL v m File ny. trn mn hnh m t l File CSDL ca tnh Bc Giang (BGG.xls).


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Lc ny trn mn hnh hin th c mt Menu la chn:

Kch nh du vo mc Use Row Above Selected Range for Colum Titles.

trng Named Range kch vo mi tn pha bn phi mt Menu x xung v chn Other.

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Mt Menu mi hin ra:

Ta i A1 thnh A2 tc i s 1 thnh s 2 v nhn OK, lc ny Menu Exel Information c dng:

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Nhn OK hon thnh vic m File CSDL v thit lp ban u, lc ny trn mn hnh

d liu hin ra c dng:

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Bc 3: To c s d liu trm

Vo trong b ci ca Mapinfo 7.5 m File Piano_30 lc ny trn thanh Toolbar xut hin

thm mt Tool mi c tn Piano_31.

Kch vo Tool ny mt Menu x ra, ta chn Create Base Stations

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Mt Menu hin ra:


Ta chn Yes, mt ca s hin ra yu cu chn File to bn trm.

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Ta chn File c ui (*.tab) c cng tn vi File CSDL v n Open, mt ca s mi

hin ra:

Yu cu t tn cho File mi c to ra, ta nh tn File vo File Name

v nhn Save (Tn File c th nh tu , v d: CSDL_BGG). Mt Menu mi hin ra:

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Trong Bore ta chn trng Dir hin th cc Cell theo hng ca n.

Trong Length ta chn di ca cc Sector: i vi HNI v HCM chn

Length = 0.1, cc tnh c mt trm dy nn chn Length = 0.2, cc tnh cn li nn

chn Length = 0.25.

V d: Thit lp cho Tnh BGG.

Sau khi chn xong ta nhn OK, mt Menu la chn tip theo xut hin:

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nh du chn Display non-numeric fields v Overwrite existing points. Sau khi nh du:

trong trng Get X Coodinate from Colum chn Longtitue, trong trng Get Y Coodinate

from Colum chn Latitue. Tip theo kch vo nt Projection mt Menu la chn hin ra:

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Trong phn Category Members chn Longitude/Latitude(WGS 84) v nhn OK. Sau khithit lp xong Menu Creat Points c dng:


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Nhn OK hon thnh phn la chn. Lc ny bn v tr trm s hin ra c dng nh sau:

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hin tn Cell ta kch vo nt

trn thanh cng c Main pha bn phi mn hnh, mt Menu la chn hin ra:

Chn trng c tn nh ta t trn (nh v d l: CSDL_BGG), nh du vo bn

phi ngoi cng v nhn OK. Tn Cell s hin ra:


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Tng kt



Mt s li thng gp trong qu trnh Driving Test:

Li sai CSDL, sai fido...

Cch export logfile ra cc file *.FMT, *.tab v gii

thiu mt s KPI: CDR, CSR, SD congestion, TCH

congestion, RASR, HISR, HOSR

Cch to bn trm trn MapInfo

Documents

Huong Dan DrivingTest_TEMS