ETSI TR 145 914-2017 Digital cellular telecommunications system (Phase 2+) (GSM) Circuit switched voice capacity evolution for GSM EDGE Radio Access Network (GERAN) (V14 0 0 3GPP T.pdf

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1、 ETSI TR 145 914 V14.0.0 (2017-04) Digital cellular telecommunications system (Phase 2+) (GSM); Circuit switched voice capacity evolution for GSM/EDGE Radio Access Network (GERAN) (3GPP TR 45.914 version 14.0.0 Release 14) TECHNICAL REPORT GLOBAL SYSTEM FOR MOBILE COMMUNICATIONSRETSI ETSI TR 145 914

2、 V14.0.0 (2017-04)13GPP TR 45.914 version 14.0.0 Release 14Reference RTR/TSGR-0645914ve00 Keywords GSM ETSI 650 Route des Lucioles F-06921 Sophia Antipolis Cedex - FRANCE Tel.: +33 4 92 94 42 00 Fax: +33 4 93 65 47 16 Siret N 348 623 562 00017 - NAF 742 C Association but non lucratif enregistre la S

3、ous-Prfecture de Grasse (06) N 7803/88 Important notice The present document can be downloaded from: http:/www.etsi.org/standards-search The present document may be made available in electronic versions and/or in print. The content of any electronic and/or print versions of the present document shal

4、l not be modified without the prior written authorization of ETSI. In case of any existing or perceived difference in contents between such versions and/or in print, the only prevailing document is the print of the Portable Document Format (PDF) version kept on a specific network drive within ETSI S

5、ecretariat. Users of the present document should be aware that the document may be subject to revision or change of status. Information on the current status of this and other ETSI documents is available at https:/portal.etsi.org/TB/ETSIDeliverableStatus.aspx If you find errors in the present docume

6、nt, please send your comment to one of the following services: https:/portal.etsi.org/People/CommiteeSupportStaff.aspx Copyright Notification No part may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm except as authorized by writ

7、ten permission of ETSI. The content of the PDF version shall not be modified without the written authorization of ETSI. The copyright and the foregoing restriction extend to reproduction in all media. European Telecommunications Standards Institute 2017. All rights reserved. DECTTM, PLUGTESTSTM, UMT

8、STMand the ETSI logo are Trade Marks of ETSI registered for the benefit of its Members. 3GPPTM and LTE are Trade Marks of ETSI registered for the benefit of its Members and of the 3GPP Organizational Partners. GSM and the GSM logo are Trade Marks registered and owned by the GSM Association. ETSI ETS

9、I TR 145 914 V14.0.0 (2017-04)23GPP TR 45.914 version 14.0.0 Release 14Intellectual Property Rights IPRs essential or potentially essential to the present document may have been declared to ETSI. The information pertaining to these essential IPRs, if any, is publicly available for ETSI members and n

10、on-members, and can be found in ETSI SR 000 314: “Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in respect of ETSI standards“, which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web server (https:/ipr.etsi.org/). P

11、ursuant to the ETSI IPR Policy, no investigation, including IPR searches, has been carried out by ETSI. No guarantee can be given as to the existence of other IPRs not referenced in ETSI SR 000 314 (or the updates on the ETSI Web server) which are, or may be, or may become, essential to the present

12、document. Foreword This Technical Report (TR) has been produced by ETSI 3rd Generation Partnership Project (3GPP). The present document may refer to technical specifications or reports using their 3GPP identities, UMTS identities or GSM identities. These should be interpreted as being references to

13、the corresponding ETSI deliverables. The cross reference between GSM, UMTS, 3GPP and ETSI identities can be found under http:/webapp.etsi.org/key/queryform.asp. Modal verbs terminology In the present document “should“, “should not“, “may“, “need not“, “will“, “will not“, “can“ and “cannot“ are to be

14、 interpreted as described in clause 3.2 of the ETSI Drafting Rules (Verbal forms for the expression of provisions). “must“ and “must not“ are NOT allowed in ETSI deliverables except when used in direct citation. ETSI ETSI TR 145 914 V14.0.0 (2017-04)33GPP TR 45.914 version 14.0.0 Release 14Contents

15、Intellectual Property Rights 2g3Foreword . 2g3Modal verbs terminology 2g3Foreword . 12g3Introduction 12g31 Scope 14g32 References 14g33 Definitions, symbols and abbreviations . 14g33.1 Definitions 14g33.2 Symbols 15g33.3 Abbreviations . 15g34 Objectives . 16g34.1 Performance Objectives . 16g34.1.1 C

16、apacity Improvements at the BTS 16g34.1.2 Capacity Improvements at the Air Interface . 16g34.2 Compatibility Objectives 16g34.2.1 Maintainance of Voice Quality . 17g34.2.2 Support of Legacy Mobile Stations 17g34.2.3 Implementation Impacts to new Mobile Stations 17g34.2.4 Implementation Impacts to BS

17、S . 17g34.2.5 Impacts to Network Planning 17g35 Common Working Assumptions for Candidates Evaluation . 17g35.1 General parameters . 17g35.2 Definition of Model for External Interferers for Link Level Evaluations 19g35.2.1 Synchronous Network Mode 20g35.2.2 Asynchronous Network Mode 20g35.2.2.1 Inter

18、ferer delay profiles . 21g35.2.3 Sensitivity limited scenarios 21g35.2.4 Frequency Offsets . 22g35.2.5 Uplink Interferer Profiles 22g35.3 Network Configurations . 22g35.4 Channel Mode Adaptation 23g35.5 System Performance Evaluation Method . 24g35.5.1 Definition of Effective Frequency Load for Mixed

19、 Frequency Reuse 25g35.6 Definition of Minimum Call Quality Performance 25g35.7 Link-to-System Mapping . 26g35.8 Impairments of the Mobile Station . 26g35.8.1 Subchannel power imbalance ratio on DL 26g35.8.2 Frequency Offset Impairment Model in UL . 26g35.9 Reference BTS Receiver 26g36 Speech Capaci

20、ty Enhancement using DARP . 27g36.1 Concept Description . 27g36.1.1 Principle 27g36.1.2 Downlink signal modulation schemes 27g36.1.2.1 Equal power level between two desired users . 28g36.1.2.2 Spectrum analysis . 30g36.1.2.3 Different power levels between two desired users 30g36.1.3 Power control in

21、 co-TCH MUROS operation . 31g36.1.4 BTS changes for co-TCH MUROS operation 32g36.1.5 Adaptive pulse shapping for MUROS modulation . 33g36.2 Performance Characterization 37g36.2.1 Link Level Performance . 37g3ETSI ETSI TR 145 914 V14.0.0 (2017-04)43GPP TR 45.914 version 14.0.0 Release 146.2.1.1 Sensi

22、tivity performance 37g36.2.1.2 Interference performance 39g36.2.1.2.1 MTS-1 configuration . 39g36.2.1.2.2 MTS-2 configuration . 40g36.2.1.2.3 MTS-3 configuration . 41g36.2.1.2.4 MTS-4 configuration . 42g36.2.1.3 Link level performance with power imbalance 43g36.2.1.4 SACCH performance on MUROS and n

23、on-MUROS . 48g36.2.1.4.1 Non-MUROS and MUROS Sensitivity Performance 48g36.2.1.4.2 Non-MUROS and MUROS Interference Performance . 49g36.2.2 Network Level Performance . 53g36.2.2.1 System Setup and Configurations . 53g36.2.2.1.1 Enabled features for system simulations . 53g36.2.2.1.2 Simulated Channe

24、l Mode Adaptations 54g36.2.2.2 Simulation Results 55g36.2.2.2.1 MUROS-1 with 100% penetration 55g36.2.2.2.1.1 TU 50km/hr channel model . 55g36.2.2.2.1.2 TU 3km/hr channel model . 56g36.2.2.2.2 MUROS-2 with 100% penetration 56g36.2.2.2.2.1 TU 50km/hr channel model . 56g36.2.2.2.3 MUROS-3A with 100% p

25、enetration . 58g36.2.2.2.3.1 TU 50km/hr channel model . 58g36.2.2.2.3.2 TU 3km/hr channel model . 58g36.2.2.2.4 MUROS-3B with 100% penetration 59g36.2.2.2.4.1 TU 50km/hr channel model . 59g36.2.2.2.4.2 TU 3km/hr channel model . 60g36.2.2.2.5 MUROS-2 with less than 100% penetration 60g36.2.2.2.5.1 TU

26、 3km/hr channel model . 60g36.2.2.2.6 Summary . 61g36.2.2.3 Performance Summary 61g36.2.3 Performance Summary . 62g36.2.4 Verification of Link to System Mapping 62g36.3 Impacts on the Mobile Station 62g36.4 Impacts on the BSS 62g36.4.1 Impact on BTS transmitter 62g36.4.2 Impact on BTS receiver 63g36

27、.4.3 Impact on Radio Resource Management 63g36.5 Impacts on Network Planning 63g36.6 Impacts on the Specification 63g36.7 Summary of Evaluation versus Objectives . 64g36.7.1 Performance objectives . 64g36.7.2 Compatibility objectives . 65g36.8 References 66g37 Orthogonal Sub Channels for Circuit Swi

28、tched Voice Capacity Evolution . 66g37.1 Concept description 66g37.1.1 Overview 66g37.1.2 Downlink concept . 66g37.1.2.1 Basic OSC concept 66g37.1.2.1.1 Mapping of user bits using QPSK modulation 66g37.1.2.1.2 Burst structure, training sequence, tail and guard bits . 67g37.1.2.1.3 Tx pulse shaping f

29、ilter . 68g37.1.2.1.3.1 Investigated Candidate TX Pulse Shapes . 68g37.1.2.1.3.1.1 Candidate Pulse Shape 1 68g37.1.2.1.3.1.2 Candidate Pulse Shape 2 70g37.1.2.1.3.2 Comparison of Filter Characteristics 71g37.1.2.1.4 Symbol rotation . 72g37.1.2.1.5 DTX handling when one sub channel is inactive 72g37.

30、1.2.1.6 FACCH signalling . 72g37.1.2.1.7 SACCH signalling. 72g37.1.2.2 Enhanced OSC concept . 73g37.1.2.2.1 Sub channel specific power control . 73g3ETSI ETSI TR 145 914 V14.0.0 (2017-04)53GPP TR 45.914 version 14.0.0 Release 147.1.2.2.2 Power Balancing 74g37.1.2.2.3 Soft Stealing for FACCH with sub

31、 channel specific power control 74g37.1.2.2.4 Soft Stealing for SACCH with sub channel specific power control 75g37.1.2.2.5 User Diversity 75g37.1.2.2.5.1 Basic User Diversity 75g37.1.2.2.5.2 Optimized User Diversity 76g37.1.2.2.5.3 Support of Optimized User Diversity for scenarios with mixed MS typ

32、es 77g37.1.2.2.5.4 Benefits of Optimized User Diversity 83g37.1.3 Uplink concept 84g37.1.3.1 Modulation and burst structure . 84g37.1.3.2 Usage of new training sequences 84g37.1.3.3 Tx pulse shape . 84g37.1.3.4 Associated control channels 84g37.1.3.5 User diversity 84g37.1.3.6 BTS receiver . 84g37.1

33、.4 RR signalling 84g37.2 Performance Characterization 85g37.2.1 Link Level Performance . 85g37.2.1.1 Sensitivity Performance 85g37.2.1.1.1 Sensitivity in downlink 85g37.2.1.1.1.1 Sensitivity in downlink without sub channel specific power control . 85g37.2.1.1.1.2 Sensitivity in downlink with subchan

34、nel specific power control 88g37.2.1.1.2 Sensitivity in uplink . 89g37.2.1.2 Interference Performance 90g37.2.1.2.1 Interference limited performance in downlink 90g37.2.1.2.1.1 Interference performance in downlink without subchannel specific power control 90g37.2.1.2.1.1.1 Performance for MUROS Test

35、 Scenario 1 . 90g37.2.1.2.1.1.2 Performance for MUROS Test Scenario 2 . 90g37.2.1.2.1.1.3 Performance for Using Optimized TX Pulse Shapes . 92g37.2.1.2.1.2 Interference performance in downlink with subchannel specific power control 93g37.2.1.3 Results from: MUROS Performance of Legacy MS 95g37.2.1.3

36、.1 Simulation Assumptions 95g37.2.1.3.1.1 Legacy Terminals 95g37.2.1.3.1.2 Transmitted MUROS Signal 96g37.2.1.3.1.3 MUROS Interference Models 96g37.2.1.3.1.4 Other Simulation Parameter . 96g37.2.1.3.2 Downlink Performance Results . 96g37.2.1.3.2.1 Sensitivity Performance . 96g37.2.1.3.2.2 MTS-1 Perf

37、ormance. 97g37.2.1.3.2.3 MTS-2 Performance. 98g37.2.1.3.2.4 MTS-3 Performance. 99g37.2.1.3.2.5 MTS-4 Performance. 100g37.2.1.3.2.6 ACI Performance . 101g37.2.1.3.3 Summary of results 102g37.2.2 Network Level Performance . 102g37.2.2.1 Network Configurations 102g37.2.2.2 Performance results . 103g37.

38、2.2.2.1 MUROS-1 . 104g37.2.2.2.2 MUROS-2 . 104g37.2.2.2.3 MUROS-3 . 104g37.2.2.2.4 OSC capacity gains and HW efficiency 105g37.2.2.2.5 Performance of optimized user diversity . 106g37.2.2.2.6 Performance applying Sub Channel Specific Power Control for OSC 107g37.2.2.2.7 Performance for Usage of Opti

39、mized TX Pulse Shape in Downlink 108g37.2.2.2.7.1 Setup for System Performance Evaluation 108g37.2.2.2.7.1.1 Network configurations 108g37.2.2.2.7.1.2 Channel mode adaptation . 108g37.2.2.2.7.1.3 Link to system interface . 108g37.2.2.2.7.2 System Performance Results 108g37.2.2.2.7.2.1 MUROS-1 108g37

40、.2.2.2.7.2.2 MUROS-2 110g37.2.2.2.7.3 Performance Comparison . 112g3ETSI ETSI TR 145 914 V14.0.0 (2017-04)63GPP TR 45.914 version 14.0.0 Release 147.2.2.2.7.3.1 Introduction 112g37.2.2.2.7.3.2 Comparison 112g37.2.2.2.7.3.3 Interference analysis . 113g37.2.3 Performance Summary . 114g37.2.4 Modelling

41、 methodology for a VAMOS and legacy mobile receiver 114g37.2.4.1 Introduction . 114g37.2.4.2 L2S Modelling Methodology 114g37.2.4.3 Initial Interference Profile . 115g37.2.4.4 ACP factors 116g37.2.4.4.1 Introduction . 116g37.2.4.4.2 RawBER ACP factors for VAMOS I receiver 116g37.2.4.4.3 RawBER ACP f

42、actors for Legacy Non-DARP receiver . 117g37.2.4.5 Final Interference Profile 118g37.2.5 Verification of Link to System Mapping 120g37.2.5.1 Introduction . 120g37.2.5.2 Link To System Interface For Vamos-I Receiver . 120g37.2.5.3 . Mappings For The Vamos-I Receiver 121g37.2.5.3.1 MUROS-1 . 121g37.2.

43、5.3.1.1 50 % VAMOS-I mobile penetration 121g37.2.5.3.1.2 75 % VAMOS-I mobile penetration 122g37.2.5.3.1.3 100 % VAMOS-I mobile penetration 123g37.2.5.3.2 MUROS-2 . 125g37.2.5.3.2.1 50 % VAMOS-I mobile penetration 125g37.2.5.3.2.2 75 % VAMOS-I mobile penetration 126g37.2.5.3.2.3 100 % VAMOS-I mobile

44、penetration 127g37.2.5.3 Mappings For The Legacy Non-Darp Receiver 129g37.3 Impacts on the Mobile Station 130g37.4 Impacts on the BSS 130g37.4.1 BTS Transmitter . 130g37.4.2 BTS Receiver 130g37.4.3 Radio Resource Management (RRM) . 131g37.4.3.1 Power Control . 131g37.4.3.2 Dynamic Channel Allocation

45、 (DCA) 131g37.4.3.3 AMR Channel Rate and Codec Mode Adaptation 131g37.5 Impacts on Network Planning 131g37.5.1 Impacts to Abis interface 131g37.5.1.1 Impact of OSC on Abis allocation strategy . 131g37.5.1.2 Impact of OSC on bandwidth consumption 132g37.5.1.3 Abis migration paths . 132g37.5.2 Impacts

46、 on Frequency Planning 133g37.6 Impacts on the Specifications . 133g37.7 Summary of Evaluation versus Objectives . 133g37.7.1 Performance objectives . 134g37.7.2 Compatibility objectives . 135g37.8 References 136g38 Adaptive symbol constellation . 138g38.1 Concept Description . 138g38.1.1 Symbol Con

47、stellation for the Downlink . 138g38.1.2 -QPSK Modulator 139g38.1.3 Choice of Symbol Constellation . 140g38.1.4 Adaptive Constellation Rotation . 141g38.1.5 Frequency hopping . 143g38.1.5.1 Legacy support 146g38.1.5.2 Additional signaling 146g38.1.6 SAM - Single Antenna MIMO - for VAMOS 146g38.1.6.1

48、 Concept description . 146g38.1.6.1.1 Computational Complexity 148g38.2 Performance Characterization 148g38.2.1 Link Level Performance . 148g3ETSI ETSI TR 145 914 V14.0.0 (2017-04)73GPP TR 45.914 version 14.0.0 Release 148.2.1.1 Simulation assumptions 149g38.2.1.2 Sensitivity Performance 150g38.2.1.

49、2.1 SAIC receiver 150g38.2.1.2.1.1 Support of legacy mobiles . 152g38.2.1.2.2 MUROS receiver. 153g38.2.1.2.2.1 Symbol Constellation Detection 153g38.2.1.2.2.2 Constellation Rotation Detection. 154g38.2.1.2.3 SIC receiver . 155g38.2.1.2.3.1 Investigations by Telefon AB LM Ericsson . 155g38.2.1.2.3.1.1 Simulation assumptions 155g38.2.1.2.3.1.2 Performance Plots 156g38.2.1.2.3.2 Investigations by ST-NXP Wireless France 157g38.2.1.2.3.2.1 Simulation Assumptions 157g38.2.1.2.3.2.1 Simulation Results for Downlink . 158g38.2.1.3 Interference Performance 160g38.2.1.3.1 non