ETSI TR 145 903-2016 Digital cellular telecommunications system (Phase 2+) Feasibility study on Single Antenna Interference Cancellation (SAIC) for GSM networks (V13 0 0 3GPP TR 45.pdf

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1、 ETSI TR 145 903 V13.0.0 (2016-01) Digital cellular telecommunications system (Phase 2+); Feasibility study on Single Antenna Interference Cancellation (SAIC) for GSM networks (3GPP TR 45.903 version 13.0.0 Release 13) TECHNICAL REPORT GLOBAL SYSTEM FOR MOBILE COMMUNICATIONSRETSI ETSI TR 145 903 V13

2、.0.0 (2016-01)13GPP TR 45.903 version 13.0.0 Release 13Reference RTR/TSGG-0145903vd00 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-

3、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 shall no

4、t 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 Secre

5、tariat. 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 http:/portal.etsi.org/tb/status/status.asp If you find errors in the present document, please sen

6、d 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

7、 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 2016. All rights reserved. DECTTM, PLUGTESTSTM, UMTSTMand the ETS

8、I 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 ETSI TR 145 903 V

9、13.0.0 (2016-01)23GPP TR 45.903 version 13.0.0 Release 13Intellectual 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 non-members, an

10、d 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/). Pursuant to the

11、 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 document. Fore

12、word 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 the correspond

13、ing 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 “shall“, “shall not“, “should“, “should not“, “may“, “need not“, “will“, “will not“, “can“ and “cannot“ a

14、re to be 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 145 903 V13.0.0 (2016-01)33GPP TR 45.903 version 13.0.0 Release 13C

15、ontents Intellectual Property Rights 2g3Foreword . 2g3Modal verbs terminology 2g3Foreword . 5g3Introduction 5g31 Scope / objectives . 7g32 References 7g33 Abbreviations . 7g34 Network scenarios for SAIC evaluation . 8g35 Interference modelling . 11g35.1 Introduction 11g35.2 Interference statistics 1

16、1g35.3 Synchronous link level models . 14g35.3.1 Interferer levels . 14g35.3.2 Delay distributions 16g35.3.3 Frequency offset distributions. 17g35.4 Asynchronous link level models 17g35.4.1 Burst structure . 18g35.4.2 Time-offset modelling 18g35.4.3 Power control 19g35.4.4 Phase transition . 20g35.4

17、.5 Guard period and power ramping . 20g35.4.6 DTX 21g35.5 Summary . 21g36 SAIC Link Level Characterisation . 21g36.1 Introduction 21g36.2 Link level performance 22g36.2.1 Results for exemplary link models . 22g36.2.2 Additional results 24g36.3 Link-to-system interface . 24g37 SAIC system level chara

18、cterization . 25g37.1 Introduction 25g37.2 Link-to-system mapping . 26g37.3 System level simulator . 26g37.3.1 Satisfied user definition 27g37.4 System level simulation results 28g37.4.1 System capacity for 100% SAIC mobile penetration . 28g37.4.1.1 Configuration 1 unsynchronized network 28g37.4.1.2

19、 Configuration 2 synchronized network 28g37.4.1.3 Configuration 2 unsynchronized network 29g37.4.1.4 Configuration 3 synchronized network 30g37.4.1.5 Configuration 3 unsynchronized network 31g37.4.1.6 Configuration 4 unsynchronized network 32g37.4.2 Impact of SAIC Mobile Penetration . 33g37.4.3 Addi

20、tional results 37g37.4.3.1 Effect of antenna patterns and Quality of Service (QoS) on system capacity . 37g37.4.3.2 System performance for Configuration 1, another perspective . 39g37.4.3.3 Impact of 8-PSK interference on GMSK SAIC performance . 40g37.5 The effect of SAIC on GPRS performance 40g37.6

21、 Summary and conclusions 44g3ETSI ETSI TR 145 903 V13.0.0 (2016-01)43GPP TR 45.903 version 13.0.0 Release 138 SAIC field trials . 45g38.1 Asynchronous network field trial . 46g38.2 Synchronous network field trial . 46g39 Test considerations . 47g39.1 Introduction 47g39.2 Discussion 48g39.3 Summary 5

22、1g310 Signalling considerations . 51g310.1 Logical binding of receiver performance to protocol version 52g310.2 Release-independent indication of receiver performance: Classmark 3 IE 52g310.3 Release-independent indication of receiver performance: MS Radio Access Capability IE 53g310.4 Summary 55g31

23、0.5 References 55g311 Conclusions 55g311.1 Specification impacts . 56g311.1.1 Core specifications . 57g311.1.2 Testing specifications . 57g3Annex A: Change history 58g3History 59g3ETSI ETSI TR 145 903 V13.0.0 (2016-01)53GPP TR 45.903 version 13.0.0 Release 13Foreword This Technical Report has been p

24、roduced by the 3rdGeneration Partnership Project (3GPP). The contents of the present document are subject to continuing work within the TSG and may change following formal TSG approval. Should the TSG modify the contents of the present document, it will be re-released by the TSG with an identifying

25、change of release date and an increase in version number as follows: Version x.y.z Where: x the first digit: 1 presented to TSG for information; 2 presented to TSG for approval; 3 or greater indicates TSG approved document under change control. y the second digit is incremented for all changes of su

26、bstance, i.e. technical enhancements, corrections, updates, etc. z the third digit is incremented when editorial only changes have been incorporated in the document. Introduction This document studies the feasibility of utilising Single Antenna Interference Cancellation (SAIC) as a means of increasi

27、ng the downlink spectral efficiency of GSM networks. SAIC is a generic name for techniques, which attempt to cancel or suppress interference by means of signal processing without the use of multiple antennas. The primary application is the downlink, where terminal space and aesthetics typically prec

28、lude the use of multiple antennas. Clause 1 of this document defines the scope and objectives of this feasibility study. Clause 4 defines the network scenarios that have been defined to evaluate SAIC performance in GSM networks. These scenarios are representative of typical GSM deployments worldwide

29、 today. Clause 5 presents the interference statistics associated with the network scenarios defined in Clause 4. These interference statistics are developed via system simulations, and are defined in terms of the distributions of the parameters which are critical to understanding SAIC performance. T

30、hese critical parameters include; The Carrier to Interference plus noise Ratio (CIR) The Dominant to rest of Interferer Ratio (DIR) The other interferer ratios, which define the relative power of the dominant co-channel interferer to each of the other considered interferers The delay between the des

31、ired signal and each of the interferers. It is important to understand the network statistics of these key parameters since most SAIC algorithms can only cancel one interferer, and their effectiveness in doing this is affected by the remaining interference, and delays between the desired signal and

32、the interferers. In Clause 6, candidate SAIC algorithms are evaluated at the link level based on the interference statistics defined in Clause 5. Both long-term average and per burst results are generated. The long-term average results represent the classical way of looking at link performance via l

33、ink simulations, defining the Bit Error Rate (BER) and Frame Error Rate (FER) averaged over the entire simulation run as a function of the CIR. This is the type of performance that is typically specified in the GSM standards. However, to develop a system capacity estimate, it is necessary to define

34、the link performance on a per burst basis. To this end, Clause 6 also defines the average BER over the burst as a function of the burst CIR and burst DIR. This burst performance is used to develop a link-to-system level mapping. This ETSI ETSI TR 145 903 V13.0.0 (2016-01)63GPP TR 45.903 version 13.0

35、.0 Release 13mapping is used in Clause 7 to develop voice capacity and data throughput estimates for both conventional and SAIC receivers. The voice capacity gain and data throughput gain for SAIC is then deduced from these estimates. Clause 8 describes the field trials that have been conducted usin

36、g an SAIC prototype Mobile Station (MS). Clause 9 addresses testing considerations for SAIC capable MSs, while Clause 10 defines a couple of signalling options for identifying an MS as being SAIC capable. Finally, Clause 11 provides the relevant conclusions that can be drawn from this feasibility st

37、udy, the most important of which is the conclusion that SAIC is a viable and feasible technology, which will support significant voice capacity gains for both synchronous and asynchronous networks when applied to GMSK modulation. In addition, modest increases in GPRS data throughput are also support

38、ed for the types of data traffic considered. Clause 11 also identifies those clauses of the core and testing specifications that will be impacted by the inclusion of an SAIC capability. ETSI ETSI TR 145 903 V13.0.0 (2016-01)73GPP TR 45.903 version 13.0.0 Release 131 Scope / objectives The objective

39、of this document, as defined in the work item 2, is to determine the potential of SAIC in typical network layouts. This includes study of the following aspects: a) Determine the feasibility of SAIC for GMSK and 8PSK scenarios under realistic synchronized and non-synchronized network conditions. Usin

40、g a single Feasibility Study, both GMSK and 8PSK scenarios will be evaluated individually. b) Realistic interference statistics including CIR (Carrier to Interference plus noise Ratio) and DIR (Dominant-to-rest of Interference Ratio) levels and distributions based on network simulations and measurem

41、ents, where possible. c) Robustness against different training sequences. d) Determine method to detect/indicate SAIC capability. 2 References The following documents contain provisions, which, through reference in this text, constitute provisions of the present document. References are either speci

42、fic (identified by date of publication, edition number, version number, etc.) or non-specific. For a specific reference, subsequent revisions do not apply. For a non-specific reference, the latest version applies. In the case of a reference to a 3GPP document (including a GSM document), a non-specif

43、ic reference implicitly refers to the latest version of that document in the same Release as the present document. 1 ETSI TR 101 112 v3.2.0 (1998-04), “Universal Mobile Telecommunications System (UMTS); Selection procedures for the choice of radio transmission technologies of the UMTS“. 2 3GPP TSG-G

44、ERAN TDOC GP-022891: “Work Item Description, Single Antenna Interference Cancellation“, Sophia Antipolis, France, 18-22 November 2002. 3 3GPP TSG-GERAN SAIC Workshop TDOC GAHS-030009: “Network level simulation scenarios and assumptions for SAIC“, Atlanta, USA, 8-9 January 2003. 4 3GPP TSG-GERAN SAIC

45、 Workshop TDOC GAHS-030005: “Scenarios and Modelling Assumptions for SAIC in GERAN“, Atlanta, USA, 8-9 January 2003. 5 3GPP TSG-GERAN SAIC Workshop TDOC GAHS-030002: “Single antenna interference cancellation - evaluation principles and scenarios“, Atlanta, USA, 8-9 January 2003. 6 3GPP TSG-GERAN SAI

46、C Workshop TDOC GAHS-030020: “Interference Characterization for SAIC Link Level Evaluation“, Seattle, USA, 4-5 March 2003. 7 3GPP TSG-GERAN SAIC Workshop TDOC GAHS-030022: “Link Level model for SAIC“, Seattle, USA, 4-5 March 2003. Additional references are noted in the individual clauses of this doc

47、ument 3 Abbreviations ACI Adjacent Channel Interference AMR Adaptive Multi Rate BEP Bit Error Probability BER Bit Error Rate ETSI ETSI TR 145 903 V13.0.0 (2016-01)83GPP TR 45.903 version 13.0.0 Release 13BLER Block Error Rate BTS Base Transceiver Station CDF Cumulative Distribution Function C/I Carr

48、ier-to-Interference Power Ratio cdfs cumulative distribution functionsCINR Carrier to Interference-plus-Noise Ratio DIR Dominant-to-rest Interference RatioDPC Downlink Power Control DTX Discontinuous Transmission EFL Effective Frequency Load FEP Frame Error Probability FER Frame Error Rate FL Freque

49、ncy LoadFR Full Rate FTP File Transfer Protocol GMSK Gaussian Minimum Shift Keying GPRS General Packet Radio Service HR Half Rate IE Information Element MMS Multimedia Messaging Service MS Mobile Station PDF Probability Distribution Function PSK Phase-Shift Keying QoS Quality of Service SAIC Single Antenna Interference Cancellation TSC Training Sequence 4 Network scenarios for SAIC evaluation A multi-step approach was taken to evaluate SAIC performance in realistic network scenarios. This approach consisted of first determinin

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