ETSI TR 143 901-2016 Digital cellular telecommunications system (Phase 2+) Feasibility Study on generic access to A Gb interface (V13 0 0 3GPP TR 43 901 version 13 0 0 Release 13)《.pdf

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1、 ETSI TR 1Digital cellular telecoFeasibility Study on(3GPP TR 43.9TECHNICAL REPORT 143 901 V13.0.0 (2016communications system (Phaon generic access to A/Gb int.901 version 13.0.0 Release 13GLOBAL SYSTEMOBILE COMMUN16-01) hase 2+); interface 13) TEM FOR ICATIONSRETSI ETSI TR 143 901 V13.0.0 (2016-01)

2、13GPP TR 43.901 version 13.0.0 Release 13Reference RTR/TSGG-0143901vd00 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 G

3、rasse (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 modified

4、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. Users

5、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 send your comment

6、 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 of ETSI. The

7、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 ETSI logo are Tra

8、de 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 143 901 V13.0.0 (2016-0

9、1)23GPP TR 43.901 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, and can be found

10、 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 ETSI IPR Poli

11、cy, 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. Foreword This Tech

12、nical 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 corresponding ETSI deliv

13、erables. 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“ are to be inter

14、preted 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 143 901 V13.0.0 (2016-01)33GPP TR 43.901 version 13.0.0 Release 13Contents Intell

15、ectual Property Rights 2g3Foreword . 2g3Modal verbs terminology 2g3Foreword . 5g3Introduction 5g31 Scope 6g32 References 6g33 Definitions, symbols and abbreviations . 7g33.1 Definitions 7g33.2 Symbols 7g33.3 Abbreviations . 7g34 Assumed high level requirements 9g35 Study results . 9g35.1 Architectur

16、e 9g35.1.1 Architecture for generic access interface 9g35.1.1.1 Functional architecture 9g35.1.1.2 Functional entities . 10g35.1.1.2.1 Mobile Stations (MS) 10g35.1.1.2.2 Generic Access Network Controller (GANC) . 10g35.1.1.3 Interfaces . 11g35.1.1.3.1 A/Gb interfaces 11g35.1.1.3.2 Up interface . 11g

17、35.1.1.3.3 Wm interface . 11g35.1.1.4 High level description of generic access . 11g35.1.2 Signalling flows 11g35.1.2.1 Registration for generic access 11g35.1.2.2 Deregistration 13g35.1.3 Mobile originated call flow . 14g35.1.4 Mobile terminated call flow 16g35.1.5 GPRS procedures 17g35.1.5.1 GAN-G

18、RR user data transport channel . 17g35.1.5.2 GPRS user data transport procedures 17g35.1.5.3 GPRS signalling and SMS transport procedures . 17g35.1.5.4 Packet paging for GPRS data service 17g35.1.5.5 Packet paging for CS domain service 18g35.1.5.6 GPRS Suspend procedure . 18g35.1.5.7 GPRS Resume pro

19、cedure 18g35.2 Protocol aspects 18g35.2.1 New Generic Layer . 18g35.2.1.1 CS domain signalling plane 18g35.2.1.2 CS domain user plane 20g35.2.1.3 PS domain signalling plane . 21g35.2.1.4 PS domain user plane 22g35.2.2 Existing protocols . 23g35.2.2.1 Standard 3GPP protocols 23g35.2.2.1.1 Short Messa

20、ge Service 23g35.2.2.1.2 GSM SMS services 24g35.2.2.1.3 GPRS SMS services 24g35.2.2.1.4 Supplementary services . 24g35.2.2.2 Standard IP-based protocols 24g35.3 Security mechanisms 24g3ETSI ETSI TR 143 901 V13.0.0 (2016-01)43GPP TR 43.901 version 13.0.0 Release 135.3.1 Security levels . 24g35.3.2 Up

21、 interface security . 25g35.4 Multi-mode terminal operation. 25g35.4.1 Mechanism of mode selection in multi-mode terminals . 26g35.4.2 PLMN selection 26g35.4.3 Re-selection between GERAN/UTRAN and GAN modes . 27g35.4.3.1 Rove-in (from GERAN/UTRAN to GAN) . 27g35.4.3.2 Rove-out (from GAN to GERAN/UTR

22、AN) . 27g35.4.3.3 Ping-pong avoidance between GAN and GERAN/UTRAN . 27g35.4.4 Handovers between GAN and GERAN 28g35.4.4.1 Cell identifiers in generic access . 28g35.4.4.1.1 GAN cell id for Location Services 2 presented to TSG for approval; 3 or greater indicates TSG approved document under change co

23、ntrol. y the second digit is incremented for all changes of substance, 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 captures the results of the feasibility study

24、 of enabling generic access to A/Gb interface using alternate access means such as ADSL, Cable, Bluetooth, etc. Mobile stations obtain services from the GSM core network using such generic access means rather than through the traditional GERAN radio interface. The goal is to ensure no impact to the

25、current A/Gb interface specifications. ETSI ETSI TR 143 901 V13.0.0 (2016-01)63GPP TR 43.901 version 13.0.0 Release 131 Scope This document studies the feasibility of generic access to A/Gb interface. Specific areas of study are: - Architecture to enable generic access. - Access interface protocols

26、required to provide connectivity to A/Gb interface and GSM/GPRS services. - Security mechanisms to support generic access architecture. - Determining feasibility for support of services currently supported through GERAN. The focus of the study shall be on establishing the feasibility for supporting

27、generic access in the home network case, while also identifying issues with extending the solution to the roaming scenarios. 2 References The following documents contain provisions, which, through reference in this text, constitute provisions of the present document. References are either specific (

28、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-specific re

29、ference implicitly refers to the latest version of that document in the same Release as the present document. 1 3GPP TS 22.011: “Service accessibility“. 2 3GPP TS 23.234: “3GPP system to Wireles Local Area Network (WLAN) interworking; System description“. 3 3GPP TS 26.103: “Speech codec list for GSM

30、 and UMTS“. 4 ITU-T Recommendation V.110: “Support by an ISDN of data terminal equipments with V-Series type interfaces“. 5 IETF RFC 791: “Internet Protocol“. 6 IETF RFC 793: “Transmission Control Protocol“. 7 IETF RFC 2406: “IP Encapsulating Security Payload (ESP)“. 8 IKEv2 9 EAP SIM 10 IPSec NAT 1

31、1 IETF RFC 768: “User Datagram Protocol“. 12 IETF RFC 3550: “A Transport Protocol for Real-Time Applications“. 13 3GPP TS 33.234: “3G security; Wireless Local Area Network (WLAN) interworking security“. 14 IETF RFC 2406: “ IP Encapsulating Security Payload (ESP)“. 15 3GPP TS 23.122: “Non-Access-Stra

32、tum functions related to Mobile Station (MS) in idle mode“. ETSI ETSI TR 143 901 V13.0.0 (2016-01)73GPP TR 43.901 version 13.0.0 Release 133 Definitions, symbols and abbreviations 3.1 Definitions For the purposes of the present document, the following terms and definitions apply. Generic Access Netw

33、ork: an access network providing access to A/Gb interfaces using broadband IP network. Generic Access Network Controller: the network node that connects to the MSC and SGSN via the A-interface and Gb interface respectively and mimics the functionality of the GERAN BSS. Roving: the action of re-selec

34、tion between 3GPP access technology and GAN for a mobile station in idle mode. Rove in: the mobile station reselects from GERAN/UTRAN to GAN. Rove out: the mobile station reselects from GAN to GERAN/UTRAN. Handover: a mobile station engaged in a call moves between GERAN/UTRAN and GAN. Handover in: t

35、he mobile station moves from GERAN/UTRAN to GAN. Handover out: the mobile station moves from GAN to GERAN/UTRAN. Seamless: free from noticeable transitions (i.e., no end-user action is required; speech interruptions are short; service interruptions are short; incoming calls are not missed; packet se

36、ssions are maintained; services work identically). 3.2 Symbols For the purposes of the present document, the following symbols apply: A GSM A Interface : the A interface is located between the MSC (Mobile service Switching Centre) and the BSS (Base station system or radio Sub-System). Gb GSM Gb Inte

37、rface : the Gb interface connects the Base Station System (BSS) to the Serving GPRS Support Node (SGSN) Up Interface between MS and GAN Wm Reference point between a Packet Data Gateway and a 3GPP AAA Server or 3GPP AAA proxy 3.3 Abbreviations For the purposes of the present document, the following a

38、bbreviations apply: A-GPS Assisted-GPS AAA Authentication, Authorisation and Accounting ADSL Asymmetric Digital Subscriber Line ARFCN Absolute Radio Frequency Channel Number BCCH Broadcast Control CHannel BSIC Base transceiver Station Identity Code BSS Base Station Subsystem BSSAP Base Station Subsy

39、stem Application Part BSSGP Base Station Subsystem GPRS Protocol BSSMAP Base Station Subsystem Management Application Part CBS Cell Broadcast Service CC Call Control CGI Cell Global Identity CI Cell Identity CM Connection Management CN Core Network CS Circuit SwitchedDSL Digital Subscriber Line DTAP

40、 Direct Transfer Application Part ETSI ETSI TR 143 901 V13.0.0 (2016-01)83GPP TR 43.901 version 13.0.0 Release 13DTM Dual Transfer Mode ESP Encapsulating Security Payload FFS For Further Study GAN Generic Access Network GANC Generic Access Network Controller GERAN GSM EDGE Radio Access Network GMM G

41、PRS Mobility Management GMMRR GPRS Mobility Management Radio Resource GRR GPRS Radio Resource HLR Home Location Register HO Handover HPLMN Home Public Land Mobile Network HTTP Hyper Text Transfer Protocol IMS IP Multimedia Subsystem IMSI International Mobile Subscriber Identity IP Internet Protocol

42、L1 Layer 1 (physical layer) LA Location Area LA Location Area Identity LCS Location Services LLC Logical Link Control MAC Medium Access Control (protocol layering context) MBMS Multimedia Broadcast and Multicast Service MM Man Machine MMI Man Machine Interface MMS Multimedia Messaging Service MO Mob

43、ile Originated MS Mobile StationMSC Mobile Switching Centre MVNO Mobile Virtual Network Operator NACC Network Assisted Cell Change NAS Non-Access Stratum NC2 Network Control mode 2 OTDOA Observed Time Difference Of Arrival (positioning method) PCM Pulse Code Modulation PDP Packet Data Protocol PDU P

44、rotocol Data Unit PLMN Public Land Mobile Network PS Packet Switched RAN Radio Access Network RR Radio Resources RRC Radio Resource Control RTCP Real-Time Transport Control Protocol RTP Real Time Protocol SAP Service Access PointSAPI Service Access Point Identifier SCCP Signalling Connection Control

45、 Part SGW Security Gateway SGSN Serving GPRS Support Node SID SIlence Descriptor SIM GSM Subscriber Identity Module SM Session Management SMS Short Message Service SS Supplementary ServiceSSL Secure Sockets Layer TBF Temporary Block Flow TCP Transmission Control Protocol TFO Tandem Free Operation TL

46、LI Temporary Logical Link Identity TMSI Temporary Mobile Subscriber Identity TrFO Transcoding Free Operation UDP User Datagram Protocol ETSI ETSI TR 143 901 V13.0.0 (2016-01)93GPP TR 43.901 version 13.0.0 Release 13UNC Universal Naming Convention UTRAN Universal Terrestrial Radio Access Network VBS

47、Voice Broadcast Service VGCS Voice Group Call Service VPLMN Visited Public Land Mobile Network 4 Assumed high level requirements This clause summarizes the various assumed requirements for the feasibility study, when providing generic access to A/Gb interfaces: - GAN interfaces to the core network s

48、hall use existing standard A interface to the MSC and Gb interface to the SGSN. Non-access stratum (NAS) protocols shall not be impacted. - GAN shall reuse the existing GERAN identifiers toward the core network. - GAN should support all telecommunication services supported using the A/Gb interfaces.

49、 - GAN shall be able to operate over existing generic IP access networks (e.g. Cable, DSL, etc.). GAN-specific functionality shall not be required in the generic IP access network. - Multi-mode terminals shall be able to perform automatic roving between GERAN/UTRAN and GAN, subject to the policies of the operator. - Multi-mode terminals shall be able to perform seamless handover between GERAN/UTRAN and GAN, subject to the policies of the operator. - PLMN selection and mechanisms for the avoidance of ping-pong between GERAN/UTRAN and GAN mo