1、 ETSI TS 123 009 V15.0.0 (2018-07) Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); Handover procedures (3GPP TS 23.009 version 15.0.0 Release 15) TECHNICAL SPECIFICATION GLOBAL SYSTEM FOR MOBILE COMMUNICATIONSRETSI ETSI TS 123 009 V15.0
2、.0 (2018-07)13GPP TS 23.009 version 15.0.0 Release 15Reference RTS/TSGC-0423009vf00 Keywords GSM,UMTS 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 So
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9、. ETSI ETSI TS 123 009 V15.0.0 (2018-07)23GPP TS 23.009 version 15.0.0 Release 15Intellectual Property Rights Essential patents IPRs essential or potentially essential to normative deliverables may have been declared to ETSI. The information pertaining to these essential IPRs, if any, is publicly av
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13、produce any trademark and/or tradename. Mention of those trademarks in the present document does not constitute an endorsement by ETSI of products, services or organizations associated with those trademarks. Foreword This Technical Specification (TS) has been produced by ETSI 3rd Generation Partners
14、hip 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 deliverables. The cross reference between GSM, UMTS, 3GPP and ETSI ident
15、ities 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 interpreted as described in clause 3.2 of the ETSI Drafting Rules (Verba
16、l forms for the expression of provisions). “must“ and “must not“ are NOT allowed in ETSI deliverables except when used in direct citation. ETSI ETSI TS 123 009 V15.0.0 (2018-07)33GPP TS 23.009 version 15.0.0 Release 15Contents Intellectual Property Rights 2g3Foreword . 2g3Modal verbs terminology 2g3
17、Foreword . 6g31 Scope 7g32 References 9g33 Abbreviations and definitions 10g33.1 Abbreviations . 10g33.2 Definitions 11g34 Role, functional composition of MSCs and interfaces for handover . 12g34.1 MSC-A . 12g34.1.1 Role of MSC-A . 12g34.1.2 Functional composition of MSC-A and its interfaces for han
18、dover . 13g34.2 MSC-B . 15g34.2.1 Role of MSC-B . 15g34.2.2 Functional composition of MSC-B and its interfaces for handover 17g34.3 3G_MSC-A 18g34.3.1 Role of 3G_MSC-A 18g34.3.2 Functional composition of 3G_MSC-A and its interfaces for handover/relocation 21g34.4 3G_MSC-B. 23g34.4.1 Role of 3G_MSC-B
19、 23g34.4.2 Functional composition of 3G_MSC-B and its interfaces for handover/relocation 26g34.5 MSC server enhanced for SRVCC features . 27g34.5.1 Role of SRVCC MSC . 27g34.5.2 Functional composition of SRVCC MSC and its interfaces for handover/relocation . 27g34.5.3 Role of vSRVCC MSC . 28g34.5.4
20、Functional composition of vSRVCC MSC and its interfaces for handover/relocation . 28g35 Handover initiation conditions . 28g36 General description of the procedures for intra - MSC handovers . 29g36.1 Procedure for Intra-MSC Handovers 29g36.2 Procedure for Intra-3G_MSC Handovers . 31g36.2.1 Intra-3G
21、_MSC Handover from UMTS to GSM . 31g36.2.1.1 With no bearer or one bearer . 32g36.2.1.2 With multiple bearers (Optional functionality) . 33g36.2.2 Intra-3G_MSC GSM to UMTS Handover 33g36.2.3 Procedure for Intra-3G_MSC SRNS Relocation 35g36.2.3.1 With no bearer or one bearer . 37g36.2.3.1.1 SRNS Relo
22、cation . 37g36.2.3.1.2 Enhanced SRNS Relocation 38g36.2.3.2 With multiple bearers (Optional functionality) . 39g36.3 Internal Handover with MSC Support for Intra-BSS handover with AoIP 40g36.3.1 General Description of Internal Handover with MSC Support . 40g36.3.2 BSS-initiated Internal Handover wit
23、h MSC Support 40g36.3.3 MSC-initiated BSS Internal Handover with MSC Support 42g37 General description of the procedures for inter - MSC handovers . 42g37.1 Basic handover procedure requiring a circuit connection between MSC-A and MSC-B . 43g37.2 Basic handover procedure not requiring the establishm
24、ent of a circuit connection between MSC-A and MSC-B . 45g37.3 Procedure for subsequent handover requiring a circuit connection 46g37.3.1 Description of subsequent handover procedure i): MSC-B to MSC-A . 47g37.3.2 Description of the subsequent handover procedure ii): MSC-B to MSC-B . 48g37.4 Procedur
25、e for subsequent handover not requiring a circuit connection 49g3ETSI ETSI TS 123 009 V15.0.0 (2018-07)43GPP TS 23.009 version 15.0.0 Release 157.4.1 Description of the subsequent handover procedure without circuit connection i): MSC-B to MSC-A 50g37.4.2 Description of the subsequent handover proced
26、ure without circuit connection ii): MSC-B to MSC-B 50g38 General Description of the procedures for inter - 3G_MSC handovers . 51g38.1 Handover UMTS to GSM 51g38.1.1 Basic Handover procedure requiring a circuit connection between 3G_MSC -A and MSC-B 52g38.1.1.1 With one circuit connection 53g38.1.1.2
27、 With multiple circuit connections (Optional functionality) 55g38.1.2 Basic UMTS to GSM Handover procedure not requiring the establishment of a circuit connection between 3G_MSC-A and MSC-B 55g38.1.3 Procedure for subsequent UMTS to GSM handover requiring a circuit connection. 56g38.1.3.1 Descriptio
28、n of subsequent UMTS to GSM handover procedure i): 3G_MSC-B to MSC-A 57g38.1.3.1.1 With one circuit connection . 57g38.1.3.1.2 With multiple circuit connections (Optional functionality) . 57g38.1.3.2 Description of subsequent UMTS to GSM handover procedure ii): 3G_MSC-B to MSC-B . 58g38.1.3.2.1 With
29、 one circuit connection 58g38.1.3.2.2 With multiple circuit connections (Optional functionality) . 58g38.1.4 Procedure for subsequent UMTS to GSM handover not requiring a circuit connection 60g38.1.4.1 Description of subsequent UMTS to GSM handover procedure i): 3G_MSC-B to MSC-A 61g38.1.4.2 Descrip
30、tion of the subsequent UMTS to GSM handover procedure without circuit connection ii): 3G_MSC-B to MSC-B . 61g38.2 Handover GSM to UMTS 62g38.2.1 Basic Handover procedure requiring a circuit connection between MSC-A and 3G_MSC-B . 63g38.2.2 Basic GSM to UMTS Handover procedure not requiring the estab
31、lishment of a circuit connection between MSC-A and 3G_MSC-B 66g38.2.3 Procedure for subsequent GSM to UMTS handover requiring a circuit connection . 66g38.2.3.1 Description of subsequent GSM to UMTS handover procedure i): MSC-B to 3G_MSC-A 67g38.2.3.2 Description of subsequent GSM to UMTS handover p
32、rocedure ii): MSC-B to 3G_MSC-B . 68g38.2.4 Procedure for subsequent GSM to UMTS handover not requiring a circuit connection 69g38.2.4.1 Description of subsequent GSM to UMTS handover procedure without circuit connection i): MSC-B to 3G_MSC-A 70g38.2.4.2 Description of subsequent GSM to UMTS handove
33、r procedure without circuit connection ii): MSC-B to 3G_MSC-B . 70g38.3 SRNS Relocation 71g38.3.1 Basic relocation procedure requiring a circuit connection between 3G_MSC-A and 3G_MSC-B 72g38.3.1.1 With one circuit connection 73g38.3.1.2 With multiple circuit connections (Optional functionality) 75g
34、38.3.1.2.1 3G_MSC-B does not support multiple bearers 75g38.3.1.2.2 3G_MSC-B supports multiple bearers . 75g38.3.2 Basic relocation procedure not requiring the establishment of a circuit connection between 3G_MSC-A and 3G_MSC-B 76g38.3.3 Procedure for subsequent relocation requiring a circuit connec
35、tion . 77g38.3.3.1 Description of subsequent relocation procedure i): 3G_MSC-B to 3G_MSC-A 78g38.3.3.1.1 With one circuit connection . 78g38.3.3.1.2 With multiple circuit connections (Optional functionality) . 79g38.3.3.2 Description of subsequent relocation procedure ii): 3G_MSC-B to 3G_MSC-B. 79g3
36、8.3.3.2.1 With one circuit connection . 79g38.3.3.2.2 With multiple circuit connections (Optional functionality) . 80g38.3.4 Procedure for subsequent relocation not requiring a circuit connection . 82g38.3.4.1 Description of subsequent relocation procedure i): 3G_MSC-B to 3G_MSC-A 83g38.3.4.2 Descri
37、ption of subsequent relocation procedure ii): 3G_MSC-B to 3G_MSC-B 83g39 Detailed procedures in MSC-A 84g39.1 BSS/MSC and MS/MSC procedures in MSC-A (functional unit 1) 84g39.2 Call control procedures MSC-A (functional unit 2) . 85g39.3 Handover control procedures MSC-A (functional unit 3) 86g39.3A
38、BSS Internal Handover with MSC Support control procedures . 87g39.4 MAP procedures in MSC-A (functional unit 4) . 88g39.5 Interworking between Handover control procedures and MAP procedures in MSC-A . 88g39.6 Compatibility with GSM Phase 1 . 88g310 Detailed procedures in MSC-B 88g310.1 BSS/MSC (MS/B
39、SS) procedures MSC-B (functional unit 1) 88g3ETSI ETSI TS 123 009 V15.0.0 (2018-07)53GPP TS 23.009 version 15.0.0 Release 1510.2 Call control procedures MSC-B (functional unit 2) . 89g310.3 Handover control procedures MSC-B (functional unit 3) 89g310.4 MAP procedures MSC-B (functional unit 4) . 90g3
40、10.5 Interworking between Handover control procedures and MAP procedures in MSC-B . 90g310.6 Compatibility with GSM Phase 1 . 91g311 Detailed procedures in 3G_MSC-A . 91g311.1 RNC/BSC/3G_MSC and UE/MS/3G_MSC procedures in 3G_MSC-A (functional unit 1) 91g311.2 Call control procedures 3G_MSC-A (functi
41、onal unit 2) 91g311.3 Handover/Relocation control procedures 3G_MSC-A (functional unit 3) . 92g311.4 MAP procedures in 3G_MSC-A (functional unit 4) 95g311.5 Interworking between Handover/Relocation control procedures and MAP procedures in 3G_MSC-A 95g311.6 Compatibility with GSM Phase 1 . 95g311.7 P
42、rotocol interworking . 95g312 Detailed procedures in 3G_MSC-B . 95g312.1 RNC/BSC/3G_MSC (UE/MS/RNC/BSC) procedures in 3G_MSC-B (functional unit 1) 96g312.2 Call control procedures 3G_MSC-B (functional unit 2) 96g312.3 Handover/Relocation control procedures in 3G_MSC-B (functional unit 3) . 97g312.4
43、MAP procedures in 3G_MSC-B (functional unit 4) . 99g312.5 Interworking between Handover/Relocation control procedures and MAP procedures in 3G_MSC-B 99g312.6 Compatibility with GSM Phase 1 . 99g312.7 Protocol interworking . 99g312.8 Interactions between handover/relocation control procedures and oth
44、er RANAP procedures . 99g312.8.1 Interactions between handover/relocation control procedures and the security mode procedure . 99g312.8.1.1 Intra-3G_MSC-B handover/relocation 99g312.8.1.2 Subsequent Inter-MSC handover/relocation . 101g312.8.2 Interactions between handover/relocation control procedur
45、es and the RAB assignment procedure 103g312.8.2.1 Intra-3G_MSC-B handover/relocation 103g312.8.2.2 Subsequent Inter-MSC handover/relocation . 105g312.8.3 Interactions between directed retry handover procedures and the RAB assignment procedure . 107g312.8.3.1 Intra-3G_MSC-B directed retry handover 10
46、7g312.8.3.2 Subsequent Inter-MSC directed retry handover 108g313 Subsequent channel assignment using a circuit connection between MSC-A and MSC-B . 110g313.1 GSM handover . 110g313.2 UMTS to GSM handover . 111g313.3 GSM to UMTS handover . 113g313.4 SRNS Relocation 114g313.4.1 Without circuit connect
47、ion 114g313.4.2 With circuit connection (Optional functionality) 115g314 Directed retry handover 116g314.1 GSM handover . 116g314.2 GSM to UMTS handover . 117g314.3 UMTS to GSM handover . 119g315 SDL diagrams . 120g3Annex A (informative): Change history . 297g3History 300g3ETSI ETSI TS 123 009 V15.0
48、.0 (2018-07)63GPP TS 23.009 version 15.0.0 Release 15Foreword This Technical Specification (TS) has been produced by the 3rdGeneration Partnership Project (3GPP). The present document provides a mechanism giving reliable transfer of signalling messages within the 3GPP system. The contents of the pre
49、sent 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 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 substance, i.e. technical enhancements, corrections, u
