1、 STD-ETSI GSM 03.09-ENGL 1997 W 3400855 0220844 TA2 = GSM GSM 03.09 August 1997 Version 5.1 .O Source: ETSI SMG Reference: TS/SMG -030309QR 1 ICs: 33.020 Key words: Digital cellular telecommunications system, Global System for Mobile communications (GSM) P Q Digital cellular telecommunications syste
2、m (Phase 2+); Handover procedures (GSM 03.09 version 5.1 .O) ETSI European Telecommunications Standards Institute ETSI Secretariat Postal address: F-O6921 Sophia Antipolis CEDEX - FRANCE Office address: 650 Route des Lucioles - Sophia Antipolis - Valbonne - FRANCE X.400: c=fr, a=atlas, p=etsi, s=cec
3、retariat - Internet: secretariatetsi.fr Tel.: 43 4 92 94 42 O0 - Fax: +33 4 93 65 47 16 Copyright Notification: No part may be reproduced except as authorized by written permission. The copyright and the foregoing restriction extend to reproduction in all media. Q European Telecommunications Standar
4、ds Institute 1997. All rights reserved. STD-ETSI GSM 03-09-ENGL 1997 W 3400855 0220845 717 W Page 2 GSM 03.09 version 5.1 .O: August 1997 Whilst every care has been taken in the preparation and publication of this document, errors in content, typographical or otherwise, may occur. If you have commen
5、ts concerning its accuracy, please write to “ETSI Editing and Standards Approval Dept.“ at the address shown on the title page. STDmETSI GSM 03-07-ENGL 1777 m 3400855 02208Yb 855 m Page 3 GSM 03.09 version 5.1 .O. August 1997 Contents Foreword . 5 1 2 3 4 5 6 7 8 9 10 Scope . 7 Normative references
6、. 8 Definitions and abbreviations 11 Role. functional composition of MSCs and interfaces for handover . 11 4.1 MSC-A . 11 4.1.1 4.1.2 4.2.1 4.2.2 Role of MSC-A . 11 Functional composition of MSC-A and its interfaces for handover . 12 4.2 MSC-B . 14 Role of MSC-B . 14 Functional composition of MSC-B
7、and its interfaces for handover . 15 Handover initiation conditions 16 General description of the procedures for intra . MSC handovers 16 6.1 Procedure for Intra-MSC Handovers . 16 General description of the procedures for inter . MSC handovers 18 Basic handover procedure not requiring the establish
8、ment of a circuit connection between MSC-A and MSC-B 20 Procedure for subsequent handover requiring a circuit connection between MSC-A and MSC-B . 21 7.3.1 7.3.2 Procedure for subsequent handover not requiring a circuit connection between MSC-A and MSC-B . 24 7.4.1 7.4.2 7.1 7.2 7.3 Basic handover p
9、rocedure requiring a circuit connection between MSC-A and MSC-B 18 Description of subsequent handover procedure i): MSC-B to MSC-A 22 Description of the subsequent handover procedure i): MSC-B to MSC-6 . 23 7.4 Description of the subsequent handover procedure without circuit connection i): MSC-B to
10、MSC-A . 24 Description of the subsequent handover procedure without circuit connection i): MSC-B to MSC-B . 25 Detailed procedures in MSC-A 26 8.1 8.2 8.3 8.4 8.5 8.6 BSS/MSC and MS/MSC procedures in MSC-A (functional unit 1) 26 Call control procedures MSC-A (functional unit 2) . 26 Handover control
11、 procedures MSC-A (functional unit 3) 28 MAP procedures in MSC-A (functional unit 4) 29 Interworking between Handover control procedures and MAP procedures in MSC-A 29 Compatibility with GSM Phase 1 . 29 Detailed procedures in MSC-B 30 9.1 9.2 9.3 9.4 9.5 9.6 BSS/MSC (MSlBSS) procedures MSC-B (funct
12、ional unit 1) 30 Call control procedures MSC-B (functional unit 2) . 30 Handover control procedures MSC-6 (functional unit 3) 31 MAP procedures MSC-B (functional unit 4) 32 Interworking between Handover control procedures and MAP procedures in MSC-6 32 Compatibility with GSM Phase 1 . 32 Subsequent
13、channel assignment using a circuit connection between MSC-A and MSC-B . 32 STD-ETSI GSM 03.09-ENGL 1997 34110855 0220847 771 m Page 4 GSM 03.09 version 5.1 .O: August 1997 11 Directed retty handover 33 12 SDL diagrams Annex A (informative): Change record . . . . . . . . . . . . . . . . . . . . . . .
14、 . . . 80 History., . . . . , . , , . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81 Page 5 GSM 03.09 version 5.1 .O: August 1997 Foreword This Global System for Mobi
15、le communications Technical Specification (GTS) has been produced by the Special Mobile Group (SMG) of the European Telecommunications Standards Institute (ETSI). This GTS provides a mechanism giving reliable transfer of signalling mess ages within the digital cellular telecommunications system (Pha
16、se 2/Phase 2+). The contents of this GTS are subject to continuing work within SMG and may change following formal SMG approval. Should SMG modify the contents of this GTS it w ill then be republished by ETSI with an identifying change of release date and an increase in version number as follows: Ve
17、rsion 5.x.y where: y the third digit is incremented when editorial only changes have been incorporated in the specification; x the second digit is incremented for all other types of changes, .e. technical enhancements, corrections, updates, etc. - STD-ETSI GSM 03.09-ENGL 1977 H 3400855 0220849 5b4 P
18、age 7 GSM 03.09 version 5.1 .O: August 1997 1 scope This Global System for Mobile communications Technical Specification (GTS) contains a detailed description of the handover procedures to be used in GSM PLMNs. The purpose of the handover procedures, as described in this specification, are to ensure
19、 that the connection to the Mobile Station (MS) is maintained as it moves from one Base Station System (BSS) area to another. This specification considers the following two cases: i) Handover between Base Stations connected to the same MSC, this is termed an Intra-MSC handover. i) Handover between B
20、ase Stations connected to different MSCs, this is termed an Inter-MSC handover. This category can be sub-divided into three further procedures: a) the Basic Inter-MSC Handover procedure, where the MS is handed over from a controlling MSC (MSC-A) to another MSC (MSC-B); b) the Subsequent Inter-MSC Ha
21、ndover procedure, where the MS is handed over from MSC-B to a third MSC (MSC-B); c) the Subsequent Inter-MSC handback, where the MS is handed back from MSC-B to MSC-A. In both cases i) and i) the same procedures as defined in the GSM 08.08 and the GSM 04.08 shall be used on the A-interface and on th
22、e Radio Interface, respectively. In case i) the handover procedures shall transport the A-interface messages between MSC-A and MSC-B described in the Mobile Application Part (MAP), GSM 09.02. The split in functionality between the BSS and MSC is descri bed in the GSM 08 series of Technical Specifica
23、tions. The interworkin between the GSM 09.02 protocol and the GSM 08.08 protocol is described in the Handovers which take place on the same MSC are termed Intra-MSC handovers; this includes both Inter- BSS and Intra-BSS handovers. GSM 09.1 O Tec a nical Specification. This technical specification al
24、so covers the requirements for handover in ongoing voice group calls, directed retry and the handover without a circuit connection between MSC-A and MSC-B. This technical specification does not consider the case of handovers between radio channels on the same BSS (Intra- BSS handover) or the handove
25、r of packet radio services. For voice broadcast calls, the speaker uses normal point-to-point handover procedures, whilst the listeners use idle mode cell reselection procedures, as for the voice group call listeners. Inter-MSC hand-over imposes a few limitations on the system. After inter-MSC hand-
26、over: - call re-establishment is not supported. The list of GSM 08.08 features supported during and after Inter-MSC handover is given in GSM 09.08. In the Inter-MSC handover case, the interworking between a Phase 1 BSSMAP protocol possibly used by one MSC and the Phase 2 BSSMAP protocol used in the
27、Phase 2 MAP protocol on the E-interface is performed by this MSC. NOTE: The message primitive names used in the SDL diagrams and message flows in this technical specification do not represent the actual messages specified in the GSM 04 and GSM 08 series or the services specified in the GSM O9 series
28、 of technical specifications. The primitive names are only intended to be indicative of their use in this document. Previous page is blank STD-ETSI GSM 03-09-ENGL 1997 m 31.100855 0220850 28b Page 8 GSM 03.09 version 5.1 .O: August 1997 2 Normative references This GTS incorporates by dated and undat
29、ed reference, provisions from other publications. These normative references are cited at the appropriate places in the text and the publications are listed hereafter. For dated references, subsequent amendments to or revisions of any of these publications apply to this GTS only when incorporated in
30、 it by amendment or revision. For undated references, the latest edition of the publication referred to applies. 31 i41 51 71 91 11 21 GSM O1 .O4 (ETR 350): “Digital cellular telecommunications system (Phase 2+); Abbreviations and acronyms“. GSM 04.01 : “Digital cellular telecommunications system; M
31、obile Station - Base Station System (MS - BSS) interface; General aspects and principles“. GSM 04.02: “Digital cellular telecommunications system (Phase 2+); GSM Public Land Mobile Network (PLMN) access reference configuration“. GSM 04.03: “Digital cellular telecommunications system (Phase 2+); Mobi
32、le Station - Base Station System (MS - BSS) interface; Channel structures and access capab i li ties“. GSM 04.04 (ETS 300 936): “Digital cellular telecommunications system; layer 1 ; General requirements“. GSM 04.05 (ETS 300 937): “Digital cellular telecommunications system; Data Link (DL) layer; Ge
33、neral aspects“. GSM 04.06 (ETS 300 938): “Digital cellular telecommunications system; Mobile Station - Base Station System (MS - BSS) interface; Data Link (DL) layer specification“. GSM 04.07 (ETS 300 939): “Digital cellular telecommunications system (Phase 2+); Mobile radio interface signalling lay
34、er 3; General aspects“. GSM 04.08 (ETS 300 940): “Digital cellular telecommunications system (Phase 2+); Mobile radio interface layer 3 specification“. GSM 04.10 (ETS 300 941): “Digital cellular telecommunications system; Mobile radio interface layer 3; Supplementary services specification; General
35、aspects“. GSM 04.1 1 (ETS 300 942): “Digital cellular telecommunications system (Phase 2+); Point-to-Point (PP) Short Message Service (SMS) support on mobile radio interface“. GSM 04.1 2 (ETC 300 943): “Digital cellular telecommunications system (Phase 2+); Short Message Service Cell Broadcast (SMSC
36、B) support on the mobile radio interface“. GSM 04.1 3 (ETS 300 944): “Digital cellular telecommunications system (Phase 2+); Performance requirements on mobile radio interface“. GSM 04.21 (ETS 300 945): “Digital cellular telecommunications system; Rate adaption on the Mobile Station - Base Station S
37、ystem (MS - BSS) interface“. GSM 04.22 (ETS 300 946): “Digital cellular telecommunications system (Phase 2+); Radio Link Protocol (RLP) for data and telematic services on the Mobile Station - Base Station System (MS - BSS) interface and the Base Station System - Mobile-services Switching Centre (BSS
38、 - MSC) interface“. - STD-ETSI GSM 03.09-ENGL 1997 9 3400855 0220851 112 Page 9 GSM 03.09 version 5.1 .O: August 1997 GSM 04.80 (ETS 300 950): “Digital cellular telecommunications system (Phase 2+); Mobile radio interface layer 3 supplementary services specification; Formats and coding“. GSM 04.81 (
39、ETS 300 951): “Digital cellular telecommunications system; Line identification supplementary services - Stage 3“. GSM 04.82 (ETS 300 952): “Digital cellular telecommunications system; Call Forwarding (CF) supplementary services - Stage 3“. GSM 04.83 (ETS 300 953): “Digital cellular telecommunication
40、s system; Call Waiting (CW) and Call Hold (HOLD) supplementary services - Stage 3“. GSM 04.84 (ETS 300 954): “Digital cellular telecommunications system; MultiParty (MPTY) supplementary services - Stage 3“. GSM 04.85: “Digital cellular telecommunications system; Closed User Group (CUG) supplementary
41、 services - Stage 3“. GSM 04.86 (ETS 300 955): “Digital cellular telecommunications system; Advice of Charge (AOC) supplementary services - Stage 3“. GSM 04.88 (ETS 300 956): “Digital cellular telecommunications system; Call Barring (CB) supplementary services - Stage 3“. GSM 04.90 (ETS 300 957): “D
42、igital cellular telecommunications system; Unstructured Supplementary Service Data (USSD) - Stage 3“. GSM 05.01 : “Digital cellular telecommunications system (Phase 2+); Physical layer on the radio path; General description“. GSM 05.02 (ETS 300 908): “Digital cellular telecommunications system (Phas
43、e 2+); Multiplexing and multiple access on the radio path“. GSM 05.03 (ETS 300 909): “Digital cellular telecommunications system (Phase 2+); Channel coding“. GSM 05.04 (ETS 300 959): “Digital cellular telecommunications system; Modulation“. GSM 05.05 (ETS 300 91 O): “Digital cellular telecommunicati
44、ons system (Phase 2+); Radio transmission and reception“. GSM 05.08 (ETS 300 91 1): “Digital cellular telecommunications system (Phase 2+); Radio subsystem link control“. GSM 05.1 O (ETS 300 912): “Digital cellular telecommunications system (Phase 2+); Radio subsystem synchronization“. GSM 05.90 (ET
45、R 357): “Digital cellular telecommunications system; GSM Electro Magnetic Compatibility (EMC) considerations“. GSM 08.01 : “Digital cellular telecommunications system; Base Station System - Mobile services Switching Centre (BSS - MSC) interface; General aspects“. GSM 08.02: “Digital cellular telecom
46、munications system; Base Station System - Mobile-services Switching Centre (BSS - MSC) interface; Interface principles“. GSM 08.04: “Digital cellular telecommunications system; Base Station System - Mobile-services Switching Centre (BSS - MSC) interface; Layer 1 specification“. STD-ETSI GSM 03.09-EN
47、GL Page 10 GSM 03.09 version 5.1 .O: August 1997 i361 i371 401 441 i511 I997 9 3400855 0220852 U59 GSM 08.06: “Digital cellular telecommunications system; Signa Iling transport mechanism specification for the Base Station System - Mobile-services Switching Centre (BSS - MSC) interface“. GSM 08.08: “
48、Digital cellular telecommunications system (Phase 2+); Mobile Switching Centre - Base Station System (MSC - BSS) interface; Layer 3 specification“. GSM 08.20: “Digital cellular telecommunications system; Rate adaption on the Base Station System - Mobile-services Switching Centre (BSS - MSC) in te da
49、ce “ . GSM 08.51 : “Digital cellular telecommunications system; Base Station Controller - Base Transceiver Station (BSC - BTS) interface; General aspects“. GSM 08.52: “Digital cellular telecommunications system; Base Station Controller - Base Transceiver Station (BSC - BTS) interface; Interface principles“. GSM 08.54: “Digital cellular telecommunications system (Phase 2+); Base Station Controller - Base Transceiver Station (BSC - BTS) interface; Layer 1 structure of physical circuits“. GSM 08.56: “Digital cellular telecommunications syste
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