LTE Downlink Carrier Aggregation RF Measurements with Downlink Carrier Aggregation RF Measurements with the RSCMW500 according to 3GPP TS 36.521-1 Application Note Products: | RS CMW500

  • View
    220

  • Download
    3

Embed Size (px)

Text of LTE Downlink Carrier Aggregation RF Measurements with Downlink Carrier Aggregation RF Measurements...

  • LTE Downlink Carrier Aggregation RF Measurements with the R&SCMW500 according to 3GPP TS 36.521-1

    Application Note

    Products:

    | R&SCMW500

    The 3GPP TS 36.521-1 Radio

    transmission and reception LTE User

    Equipment (UE) conformance

    specification defines the measurement

    procedures for LTE terminals with regard

    to their transmitting characteristics,

    receiving characteristics and performance

    requirements as part of the 3G Long Term

    Evolution (3G LTE) standard.

    LTE R10

    CMW500 FDD

    TDD

    .

    Ap

    plic

    atio

    n N

    ote

    Jenn

    y C

    hen

    Jan

    2015

    1

    CM

    103_

    1k

  • Table of Contents

    1CM103_1k Rohde & Schwarz LTE DL CA RF Measurements with the R&SCMW500 according to 3GPP TS 36.521-1 2

    Table of Contents

    1 Introduction ............................................................................ 3

    1.1 Understanding Test Case Suffixes ............................................................. 4

    1.2 Understanding Bandwidth Class ................................................................ 4

    1.3 Setting Up Downlink Carrier Aggregation (DL CA) Mode ........................ 4

    1.4 Generic Setup for DL CA ............................................................................. 8

    1.5 Throughput Measurement .........................................................................10

    2 Receiver Characteristics ..................................................... 12

    2.1 Generic Test Description for Receive Tests ............................................12

    2.2 Reference Sensitivity Level for CA (TS 36.521-1, 7.3A.x) .......................14

    2.3 Maximum Input Level for CA (TS 36.521-1, 7.4A) ....................................17

    2.4 Adjacent Channel Selectivity for CA (TS 36.521-1, 7.5A) .......................19

    2.5 In-Band Blocking for CA (TS 36.521-1, 7.6.1A) ........................................22

    2.6 Narrowband Blocking for CA (TS 36.521-1, 7.6.3A) ................................24

    2.7 Wideband Intermodulation (TS 36.521-1, 7.8.1) .......................................26

    3 Using CMWRun .................................................................... 30

    3.1 General Configurations .............................................................................32

    3.2 User-Defined Band Channel Configurations ...........................................32

    4 Literature............................................................................... 34

    5 Additional Information ......................................................... 34

    6 Ordering Information ........................................................... 35

  • 1CM103_1k Rohde & Schwarz LTE DL CA RF Measurements with the R&S 36.521-1 3

    1 Introduction

    The R&S CMW500 signaling measurement solution TS 36.521-1 for 3GPP Downlink

    Carrier Aggregation(DL CA) transmitter receiver .

    CMW500 LTE callbox 3GPP TS 36.521-1 V12.2, Clause 7 Release-10

    DL CA measurements step-by-step guide

    . V12.2 DL CA transmitter test .

    CMW500 3.2.80 .

    .

    (AN) 1CM94 LTE RF Measurements with the R&SCMW500

    according to 3GPP TS 36.521-1 R10 .

    , CMW500 1CM94

    .

    spectrum analyzers filters

    . Spurious measurements, transmitter intermodulation, ,

    out-of-band blocking .

    CMW customer web CMW500 capability

    list .: https://extranet.rohde-schwarz.com

    https://extranet.rohde-schwarz.com/

  • 1CM103_1k Rohde & Schwarz LTE DL CA RF Measurements with the R&S 36.521-1 4

    1.1 Understanding Test Case Suffixes

    3GPP TS 36.521-1 , DL CA R8 A

    . , CA . 3GPP

    TS 36.521-1 V12.2 V11.2 .: .1 Intra-band contiguous DL CA and UL CA .2 Intra-band contiguous DL CA without UL CA .3 Inter-band DL CA without UL CA .4 Intra-band non-contiguous DL CA without UL CA

    , x

    , type .

    1.2 Understanding Bandwidth Class

    (ATBC-Aggregated Transmission Bandwidth Configuration)

    physical resource block (PRB) .

    CA bandwidth class ATBC CC( component carrier)

    .

    class R10 R11 .: Class A: ATBC 100, maximum number of CC = 1 Class B: ATBC 100, maximum number of CC = 2 Class C: 100 < ATBC 200, maximum number of CC = 2

    bandwidth class , intra-band DL CA .

    1.3 Setting Up Downlink Carrier Aggregation (DL CA) Mode

    2DL CA B300B (signalling unit widebands) KS502 (FDD) /

    KS552 (TDD) , KS512 . Chapter 8 9

    B510F(fading boards) KE100, KE500 , KS520

    . 3 DL CA 3 B300B .

    1.3.1 CA Scenario Selection

    DL CA , Signaling Configuration Scenario

    . 2 B300 , 4 TRx board 2 fading board

    CMW500 Scenario .

    .

  • 1CM103_1k Rohde & Schwarz LTE DL CA RF Measurements with the R&S 36.521-1 5

    Fig. 1: CA scenario selection.

    2CC CA 2 RF Out: 2 component carriers (CC) SISO (TM1) single layer

    beamforming (TM7) ; RF channel

    2CC CA 4 RF Out: CCs SIMO (TM1), transmit diversity (TM2), 2x2 MIMO (TM3,

    TM4), single layer dual layer beamforming (TM7, TM8) ; 4 RF

    channel .

    2CC CA Fading 2 RF Out: Fading profile 2CC CA 2 RF Out scenarios

    . Fading board , internal fading profile

    KE500 .

    2CC CA Fading 4 RF Out: Fading profile 2CC CA 4 RF Out scenarios

    . Fading board , internal fading profile

    KE500 .

    SCC1 tab CA scenario .

    Secondary CC1 (SCC1) SCC1 tab . tab Primary

    CC (PCC) .

    Scenario LTE Cell ON OFF , mobile

    phone CMW500 registered .

    4 RF channel CMW . 2 RF

    channel , receiving antenna

    splitter , splitter attenuation .

    1.3.2 RF port selection

    CMW500 Advanced RF frontend(H590D) , PCC SCC RF

    Convertor RF Connector . External Attenuation

    .

    2CC CA 2 RF Out scenarios , PCC SCC RF1COM

    port .

  • 1CM103_1k Rohde & Schwarz LTE DL CA RF Measurements with the R&S 36.521-1 6

    2CC CA 4 RF Out scenarios , PCC RF1COM

    RF2COM SCC RF3COM RF4COM .

    Combined PCC/SCC DUT RF port

    . RF1COM DUT Tx/Rx antenna , RF3COM DUT Rx

    antenna .

    a: PCC RF port configuration b: SCC RF port configuration

    c: Connecting the CMW500 to a CA DUT with a dual-antenna design

    Fig. 2: RF settings for PCC and SCC and the connection setup between CMW500 and DUT.

    DL CA . DUT UL CA ,

    SCC1 RF Input (Rx) PCC RF Converter .

    1.3.3 SCC Settings

    CMW500 LTE v3.2.80 Duplex PCC SCC band

    . SCC band, channel, bandwidth connection type SCC

    tab .

    SCC1 Configuration page , SCC Activation Mode Auto Manual .

    Auto. .

    Manual , SCC on /off, SCC add / delete RRC , SCC activate /

    deactivate MAC . Fig. 4 Fig. 5

    . Troubleshooting Auto .

    SCC Activation Mode Cell ON Cell OFF .

    DUT CMW registered .

    Throughput SCC state MAC Activated .

    Fig. 3 SCC connected LTE signaling .

  • 1CM103_1k Rohde & Schwarz LTE DL CA RF Measurements with the R&S 36.521-1 7

    Fig. 3: SCC activated.

    1. 2. 3.

    Fig. 4: SCC manual activation process.

    1. 2. 3.

    Fig. 5: SCC manual deactivation process.

  • 1CM103_1k Rohde & Schwarz LTE DL CA RF Measurements with the R&S 36.521-1 8

    1.4 Generic Setup for DL CA

    1.4.1 Physical Cell ID

    36.521, section 7.1 , P-Cell Cell ID = 0, S-Cell Cell ID = 1 .

    Physical Cell Setup . LTE v3.2.80

    .

    Fig. 6: Physical Cell ID setting.

    1.4.2 OCNG

    DL CA OCNG . Downlink Power

    Levels , PCC SCC .

    Fig. 7: OCNG activation.

  • 1CM103_1k Rohde & Schwarz LTE DL CA RF Measurements with the R&S 36.521-1 9

    1.4.3 MIMO Settings

    MIMO Settings Connection category . , Transmission

    Mode DCI Format .

    Chapter 7 Receiver characteristics TM1 . Chapter 8 9 ,

    test case , .

    Fig. 8: MIMO settings.

    2CC CA 2 RF Out scenario , TM1 TM8 .

    CMW DUT registered , Transmission Mode DCI Format Duplex

    Scenario . , DUT Duplex Scenario

    .

  • 1CM103_1k Rohde & Schwarz LTE DL CA RF Measurements with the R&S 36.521-1 10

    1.5 Throughput Measurement

    Fig. 9: Extended BLER (throughput) measurement result.

    CA throughput R8 measurement , Overall, PCC SCC

    tab . tab

    .

    1.5.1 BLER Error Ratio Calculation

    1.5.1.1 Error Ratio Calculation for Receiver Characteristics

    TS 36.521-1 Annex G.2. , CA error ratio (ER) (NACK + DTX)

    / (NACK+ DTX + ACK) , G.2 .

    CMW500 LTE RX Meas. Page > Extended BLER > Config

    . (NACK + DTX) / (NACK+ DTX + ACK) .

    Stop Condition early pass early fail None

    .

  • 1CM103_1k Rohde & Schwarz LTE DL CA RF Measurements

Recommended

View more >