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本文(ETSI TR 145 912-2018 Digital cellular telecommunications system (Phase 2+) (GSM) Feasibility study for evolved GSM EDGE Radio Access Network (GERAN) (V15 0 0 3GPP TR 45 912 version.pdf)为本站会员(registerpick115)主动上传,麦多课文库仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知麦多课文库(发送邮件至master@mydoc123.com或直接QQ联系客服),我们立即给予删除!

ETSI TR 145 912-2018 Digital cellular telecommunications system (Phase 2+) (GSM) Feasibility study for evolved GSM EDGE Radio Access Network (GERAN) (V15 0 0 3GPP TR 45 912 version.pdf

1、 ETSI TR 145 912 V15.0.0 (2018-07) Digital cellular telecommunications system (Phase 2+) (GSM); Feasibility study for evolved GSM/EDGE Radio Access Network (GERAN) (3GPP TR 45.912 version 15.0.0 Release 15) TECHNICAL REPORT GLOBAL SYSTEM FOR MOBILE COMMUNICATIONSRETSI ETSI TR 145 912 V15.0.0 (2018-0

2、7)13GPP TR 45.912 version 15.0.0 Release 15Reference RTR/TSGR-0645912vf00 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 Sous-Prfecture de

3、 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 shall not be modifie

4、d 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 Secretariat. User

5、s 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 document, please send

6、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 written permission o

7、f 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. ETSI 2018. All rights reserved. DECTTM, PLUGTESTSTM, UMTSTMand the ETSI logo are trademarks of ETSI registered for

8、the benefit of its Members. 3GPPTM and LTETMare trademarks of ETSI registered for the benefit of its Members and of the 3GPP Organizational Partners. oneM2M logo is protected for the benefit of its Members. GSMand the GSM logo are trademarks registered and owned by the GSM Association. ETSI ETSI TR

9、145 912 V15.0.0 (2018-07)23GPP TR 45.912 version 15.0.0 Release 15Contents Introduction 16g31 Scope 17g32 References 17g33 Abbreviations . 17g34 Objectives . 18g34.1 General . 18g34.2 Performance objectives 18g34.3 Compatibility objectives . 19g35 Conclusions and recommendations 20g35.1 Conclusions

10、and recommendations for Downlink 22g35.2 Conclusions and recommendations for Uplink . 23g35.3 Conclusions and recommendations for Latency enhancements . 23g36 Mobile station receiver diversity 23g36.1 Introduction 23g36.2 Concept description 23g36.3 Modelling Assumptions and Requirements 23g36.3.1 S

11、patial Modelling 24g36.3.2 Single input - dual output channel model . 26g36.3.3 Multiple interferer model 27g36.3.4 Channel Model Parameters . 28g36.3.4.1 Measurement results on Antenna Correlation . 29g36.3.4.1.1 Indoor, Pedestrian Speed. No repeater 29g36.3.4.1.2 Indoor, Pedestrian Speed. With rep

12、eater . 30g36.3.4.1.3 Outdoor (highway) 31g36.3.4.2 Literature Survey . 32g36.3.4.2.1 Envelope correlation 32g36.3.4.2.2 Spatial diversity . 32g36.3.4.2.3 Polarization diversity . 33g36.3.4.2.4 Antenna pattern diversity. 33g36.3.4.2.5 Mean branch power imbalance 33g36.3.4.3 Results from measurements

13、 at Ericsson Research 33g36.3.4.3.1 Envelope correlation 33g36.3.4.3.2 Mean branch power imbalance 33g36.3.4.4 Results From Simulations . 33g36.3.4.4.1 Impact of branch correlation 34g36.3.4.4.2 Impact of branch power imbalance 34g36.3.4.4.3 Phase offset 35g36.3.4.4.4 Impact of Antenna correlation F

14、actors in desired and interfering branches . 38g36.3.4.5 Discussion . 40g36.3.4.6 Parameter Selection . 40g36.4 Performance Characterization 40g36.4.1 Link Level Performance . 40g36.4.1.1 SAIC GERAN Configurations 40g36.4.1.1.1 GMSK BER . 41g36.4.1.1.2 8-PSK BER 42g36.4.1.1.3 AMR FER 43g36.4.1.1.4 G

15、PRS BLER 45g36.4.1.1.5 EGPRS BLER . 45g36.4.1.1.6 EGPRS Throughput . 47g36.4.1.2 DARP Test Scenarios (DTS). 47g36.4.1.3 Sensitivity . 50g36.4.2 System level Performance 51g36.4.2.1 Voice Capacity 51g36.4.2.1.1 Link to System Mapping . 52g36.4.2.2 Mixed Voice and HTTP traffic . 54g3ETSI ETSI TR 145 9

16、12 V15.0.0 (2018-07)33GPP TR 45.912 version 15.0.0 Release 156.5 Impacts to the Mobile Station. 57g36.6 Impacts to the BSS . 58g36.7 Impacts to the Core Network 58g36.8 Impacts to the Specification . 58g36.9 References 58g37 Dual-carrier and multi-carrier 59g37.1 Introduction 59g37.2 Concept descrip

17、tion 60g37.2.1 Basic concept 60g37.3 Modelling assumptions and requirements 60g37.4 Performance characterization . 60g37.4.1 Peak data rates 60g37.4.2 Window size limited TCP throughput 61g37.4.3 Error-limited TCP throughput. 61g37.4.3.1 Introduction . 61g37.4.3.2 TCP modelling 61g37.4.3.3 Multi-car

18、rier GERAN modelling 62g37.4.3.4 Results . 62g37.5 Impacts to protocol architecture . 63g37.5.1 Physical Layer 63g37.5.1.1 Modulation, multiplexing, and radio transmission 63g37.5.1.2 Channel coding . 63g37.5.1.3 Mobile capabilities 63g37.5.1.4 Channel quality measurements 63g37.5.2 RLC/MAC 64g37.5.

19、2.1 Multiplexing with legacy MSs 64g37.5.2.2 Multiplexing data on multiple carriers 64g37.5.2.2.1 Simultaneous transmission over multiple carriers . 64g37.5.2.2.2 Time-divided transmission over multiple carriers . 64g37.5.2.3 Segmentation / reassembly 64g37.5.2.4 RLC window size 64g37.5.2.5 Incremen

20、tal redundancy 65g37.5.2.6 Link adaptation . 65g37.5.2.7 Signalling 65g37.5.3 Higher layers . 65g37.6 Downlink Dual Carrier . 65g37.6.1 Overall throughput considerations for dual carrier on the downlink 65g37.6.2 Inter-carrier interleaving . 66g37.6.3 Dual-carrier diversity 66g37.6.4 Adaptation betw

21、een dual carrier and receive diversity . 66g37.6.5 Impacts to the mobile station 66g37.6.5.1 Multiple narrowband receivers 66g37.6.5.2 Wideband receiver 67g37.6.5.2.1 Larger bandwidth. 67g37.6.5.2.2 Channel separation 67g37.6.5.2.3 Blocking requirements . 67g37.6.5.3 Baseband . 68g37.7 Uplink Dual C

22、arrier 68g37.7.1 Concept description for dual carrier on the uplink 68g37.7.2 Mobile Station Capabilities 68g37.7.3 Increase in Peak Data Rate . 68g37.7.4 Decrease of Latency 69g37.7.5 Impact on Cell Coverage 69g37.7.6 Impacts to the mobile station 69g37.7.6.1 RF Architecture options 69g37.7.6.2 Eva

23、luation of option A and option B (Taken from GP-060188) . 70g37.7.6.2.1 Combining loss 70g37.7.6.2.2 Intermodulation (IM) . 70g37.7.6.2.3 Decreased efficiency due to reduced output power . 71g37.7.6.2.4 Peak power consumption . 71g37.7.6.3 Evaluation of option B (Taken from GP-052723) . 71g3ETSI ETS

24、I TR 145 912 V15.0.0 (2018-07)43GPP TR 45.912 version 15.0.0 Release 157.7.6.3.1 PA and battery considerations . 72g37.7.6.3.2 Antenna considerations . 72g37.7.6.4 Evaluation of option C (Taken from GP-060609) . 73g37.7.6.4.1 Concept Description 73g37.7.6.4.2 System Impacts 73g37.7.6.4.3 Output Powe

25、r . 73g37.7.6.4.4 Power Efficiency . 74g37.7.6.4.5 Coverage 74g37.7.6.4.6 Frequency Planning, Frequency Hopping . 74g37.7.6.4.7 Intermodulation Interference . 74g37.7.6.5 Observations on the implementation options (Taken GP-060732) . 74g37.7.6.5.1 Base Station Architecture Impact 77g37.7.6.5.2 Dual

26、Carrier Interleaving and Constrained Dual Carrier Uplink . 77g37.7.6.5.3 System Frequency Re-Use Impact. 78g37.7.7 Impact of reduced MS power 79g37.7.7.1 Introduction . 79g37.7.7.2 Simulation setup 79g37.7.7.2.1 Network . 79g37.7.7.2.2 Dual-carrier Deployment . 80g37.7.7.2.3 Backoff 80g37.7.7.3 Resu

27、lts . 81g37.7.7.3.1 Coverage limited network . 81g37.7.7.3.2 Interference limited network . 82g37.7.8 Modified Concept for Dual Carrier in the Uplink . 82g37.7.8.1 Introduction . 82g37.7.8.2 Modified Concept . 82g37.7.8.3 Intermodulation measurements . 84g37.7.8.3.1 Measurement setup 84g37.7.8.3.2 A

28、nalysis of IM3 measurements . 85g37.7.8.3.3 Analysis of IM5 measurements . 87g37.7.8.3.4 Analysis of IM2 . 88g37.7.8.4 Dual carrier architecture with minimal single-carrier operation impact 89g37.7.8.4.1 Introduction . 89g37.7.8.4.2 TX architecture 89g37.7.8.4.3 Throughput in coverage limited scenar

29、io 90g37.7.9 Discussion on Uplink Coverage 91g37.7.9.1 Introduction . 91g37.7.9.2 Assumptions for power reductions and power consumption . 91g37.7.9.3 Receiver and Network model 91g37.7.9.4 Results . 92g37.7.9.4.1 Cell border . 92g37.7.9.4.2 Median coverage . 92g37.7.10 Improvements for DTM and MBMS

30、 93g37.7.10.1 Assumptions 93g37.7.10.2 Gains for DTM Multislot Capacity . 94g37.7.10.3 CS Connection setup while in packet transfer mode . 94g37.7.10.4 Gains for MBMS + CS 95g37.7.11 Performance enhancing features . 96g37.7.11.1 Intercarrier Interleaving 96g37.7.11.1.1 Introduction . 96g37.7.11.1.2

31、Link level gains by intercarrier interleaving 96g37.7.11.2 Advanced Coding Schemes . 97g37.8 Impacts to the BSS . 98g37.9 Impacts to the Core Network 98g37.10 Radio network planning aspects . 98g37.10.1 Analysis for Option C . 98g37.10.1.1 Introduction . 98g37.10.1.2 Legacy Frequency Planning 98g37.

32、10.1.3 Impact of Wideband transmitter on legacy frequency planning 99g37.10.1.3.1 FLP-1/1 or 1/3 . 99g37.10.1.3.2 MRP 101g37.10.1.4 Extended frequency allocation 101g3ETSI ETSI TR 145 912 V15.0.0 (2018-07)53GPP TR 45.912 version 15.0.0 Release 157.10.1.4.1 Introduction . 101g37.10.1.4.2 Description

33、of Extended Frequency Allocation . 101g37.10.1.4.3 Impact of EFA on the BTS 102g37.10.1.4.3 Separation of carriers . 105g37.10.1.5 Evaluation of network performance 105g37.10.1.5.1 Setup 105g37.10.1.5.2 Results . 106g37.11 Impacts to the specifications 106g37.12 References 107g38 Higher Order Modula

34、tion and Turbo Codes 107g38.1 Introduction 107g38.2 Concept Description . 108g38.2.1 Higher Order Modulations 108g38.2.1.1 Square 16QAM Modulation 108g38.2.1.2 Other 16-ary Modulations . 109g38.2.1.3 32QAM Modulation 109g38.2.2 Channel Coding 110g38.2.3 Symbol Mapping and Interleaving 110g38.2.4 Hea

35、der Block 110g38.2.5 USF Signaling . 111g38.2.6 Link Adaptation 111g38.2.7 Incremental Redundancy Combining 111g38.2.8 Multislot Classes . 111g38.2.9 Non-core Components 111g38.2.9.1 Dual Carrier. 111g38.2.9.2 MS Receiver Diversity 111g38.3 Modelling Assumptions and Requirements 112g38.3.1 Transmitt

36、er Impairments . 112g38.3.2 Receiver Impairments . 113g38.3.3 Equalizer . 113g38.4 Performance Characterization 113g38.4.1 Implementation Set A . 113g38.4.1.1 Modelling assumptions and requirements . 113g38.4.1.2 Comparison of BLER Performance 114g38.4.1.3 Link Performance with Link Adaptation . 115

37、g38.4.1.4 System Simulation Results 116g38.4.2 Implementation B . 119g38.4.2.1 Introduction . 119g38.4.2.2 Basic Link Layer Performance 119g38.4.2.2.1 BER Performance 119g38.4.2.2.2 BLER Performance . 120g38.4.2.2.3 Throughput 122g38.4.2.3 Impact of Frequency Hopping. 122g38.4.2.4 Impact of Incremen

38、tal Redundancy 123g38.4.2.5 Impact of Propagation Environment . 123g38.4.2.6 Impact of RX and TX Impairments . 124g38.4.2.7 Impact of RRC Pulse Shaping . 125g38.4.2.8 Evaluation of Performance 126g38.4.3 Implementation C . 127g38.4.3.1 Channel coding . 127g38.4.3.1.1 EGPRS. 127g38.4.3.1.2 Convolutio

39、nal Codes with 16QAM . 127g38.4.3.1.3 Turbo Codes with 8-PSK Modulation . 127g38.4.3.1.4 Turbo Codes with 16QAM Modulation 128g38.4.3.2 Modulation 128g38.4.3.3 Pulse Shaping 128g38.4.3.4 Link performance Evaluation 128g38.4.3.4.1 Simulation Assumptions 128g38.4.3.4.2 Link Level Results . 129g38.4.3.

40、5 Link-to-system Interface . 130g38.4.3.6 System Level Results 130g3ETSI ETSI TR 145 912 V15.0.0 (2018-07)63GPP TR 45.912 version 15.0.0 Release 158.4.3.6.1 Simulation Assumptions 130g38.4.3.6.2 Results . 131g38.4.3.7 Increased Peak Throughput with 16QAM and Turbo Codes 141g38.4.3.7.1 Modulation, Co

41、ding and Interleaving 141g38.4.3.7.2 Link Performance 142g38.4.3.7.3 System Performance 145g38.4.3.8 16QAM with Alternative Transmit Pulse Shaping . 147g38.4.3.8.1 Link Performance 147g38.4.3.8.2 Spectrum 149g38.4.3.8.3 Discussion . 150g38.4.3.9 Higher order modulation than 16-QAM 150g38.4.3.9.1 Mod

42、ulation, coding and interleaving . 150g38.4.3.9.2 Interference Rejection Combining, IRC 151g38.4.3.9.3 Results . 152g38.4.3.10 Comparison between DFSE and RSSE Performance 159g38.4.3.11 Discussion . 160g38.4.3.11.1 Link Level Performance 160g38.4.3.11.2 System Level Performance 160g38.4.4 Implementa

43、tion Set D . 161g38.4.4.1 Performance Characterisation . 161g38.4.4.1.1 Uncoded BER Performance . 161g38.4.4.1.2 BLER Performance of Turbo Coding with 8PSK . 162g38.4.4.1.3 BLER Performance of Turbo Coding with 16QAM 162g38.4.4.1.4 Comparison to Ericsson Results 163g38.4.4.1.5 Graphs for Co-Channel

44、Interferer Case (TU3iFH) 165g38.4.4.1.6 Graphs for Sensitivity Limited Case (TU3iFH) 168g38.4.4.1.7 Throughput Performance Gain 172g38.4.4.1.8 Number of Turbo Decoding Iterations 183g38.4.4.1.9 Improved Cell Edge Performance . 185g38.4.4.1.10 System Performance 188g38.4.4.1.11 32QAM Modulation 189g3

45、8.4.4.2 Comparison of Different Coding Configurations for Higher Order Modulation and Turbo Coding Schemes 199g38.4.4.2.1 HOMTC Coding Scheme Configurations . 199g38.4.4.2.2 Performance Characterization . 199g38.4.4.2.3 Discussion . 203g38.4.4.3 Impact of Blind Modulation Detection . 203g38.4.4.3.1

46、Blind Modulation Detection 203g38.4.4.3.2 Simulation Configuration 204g38.4.4.3.3 Performance Results 204g38.4.4.3.4 Discussion . 204g38.4.4.3.5 Conclusion. 204g38.5 Symbol Mapping of Turbo Coded Bits 204g38.5.1 Symbol mapping for 16-QAM Modulation 205g38.5.2.1 Concept description . 205g38.5.2.2 16-

47、QAM Symbol Mapping of Turbo Coded Bits 205g38.5.2 Performance Evaluation 208g38.6 Higher Order Modulation, Turbo Codes Combined with MS Receiver Diversity . 208g38.6.1 Simulation Model . 208g38.6.2 Simulation Results 209g38.6.2.1 Interference Limited Scenario . 209g38.6.2.2 Sensitivity Limited Scena

48、rio . 210g38.6.3 Discussion . 211g38.6.3.1 Interference Limited Scenario . 211g38.6.3.2 Noise Limited Scenario . 212g38.7 Modified 16-ary Constellations for Higher Order Modulation and Turbo Coding Schemes . 212g38.7.1 Introduction. 212g38.7.2 Circular 16APK Constellations . 212g38.7.2.1 PAPR and Dy

49、namic Range Comparison . 213g38.7.3 Logical Channel Configurations . 213g38.7.4 Performance Characterisation . 214g38.7.4.1 Uncoded BER Performance 214g3ETSI ETSI TR 145 912 V15.0.0 (2018-07)73GPP TR 45.912 version 15.0.0 Release 158.7.4.2 BLER Performance . 215g38.7.4.2.1 Sensitivity Limited Channel 215g38.7.4.2.2 Interference Limited Channel 215g38.7a Blind modulation detection performance . 218g38.7a.1 Introduction. 218g38.7a.2 Blind modulation detection . 219g38.7a.3 Simulation conditions . 219g38.7a.4 Results 219g38.7a.4.1 Single-antenna receiver . 220g38.7a.4.2 Dual-antenn

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