1、 ETSI TS 123 009 V14.0.0 (2017-03) Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); Handover procedures (3GPP TS 23.009 version 14.0.0 Release 14) floppy3TECHNICAL SPECIFICATION GLOBAL SYSTEM FOR MOBILE COMMUNICATIONSRETSI ETSI TS 123 00
2、9 V14.0.0 (2017-03)13GPP TS 23.009 version 14.0.0 Release 14Reference RTS/TSGC-0423009ve00 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 enregistr
3、e la Sous-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 documen
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8、M, UMTSTMand the ETSI 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. ET
9、SI ETSI TS 123 009 V14.0.0 (2017-03)23GPP TS 23.009 version 14.0.0 Release 14Intellectual 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
10、 and non-members, and 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.or
11、g/). Pursuant to the 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 pr
12、esent document. Foreword 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
13、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 interpreted as described in clause 3.2 of the ETSI Drafting Rules (
14、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 TS 123 009 V14.0.0 (2017-03)33GPP TS 23.009 version 14.0.0 Release 14Contents Intellectual Property Rights 2g3Foreword . 2g3Modal verbs terminolog
15、y 2g3Foreword . 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 fo
16、r handover . 14g34.2 MSC-B . 16g34.2.1 Role of MSC-B . 16g34.2.2 Functional composition of MSC-B and its interfaces for handover 17g34.3 3G_MSC-A 18g34.3.1 Role of 3G_MSC-A 19g34.3.2 Functional composition of 3G_MSC-A and its interfaces for handover/relocation 21g34.4 3G_MSC-B. 23g34.4.1 Role of 3G_
17、MSC-B 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 . 28g34.5.3 Role of vSRVCC MSC . 28g34
18、.5.4 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 Int
19、ra-3G_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
20、 Relocation . 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 Handove
21、r with 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 estab
22、lishment 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 Pro
23、cedure for subsequent handover not requiring a circuit connection 49g3ETSI ETSI TS 123 009 V14.0.0 (2017-03)43GPP TS 23.009 version 14.0.0 Release 147.4.1 Description of the subsequent handover procedure without circuit connection i): MSC-B to MSC-A 50g37.4.2 Description of the subsequent handover p
24、rocedure 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.
25、1.1.2 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 Descr
26、iption 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
27、 With 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 De
28、scription 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
29、establishment 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 . 67g38.2.3.1 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 hando
30、ver procedure 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 ha
31、ndover 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
32、) 75g38.3.1.2.1 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 c
33、onnection . 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.
34、 79g38.3.3.2.1 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 D
35、escription 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) 86g3
36、9.3A 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 89g310.1 BSS/MSC
37、(MS/BSS) procedures MSC-B (functional unit 1) 89g3ETSI ETSI TS 123 009 V14.0.0 (2017-03)53GPP TS 23.009 version 14.0.0 Release 1410.2 Call control procedures MSC-B (functional unit 2) . 89g310.3 Handover control procedures MSC-B (functional unit 3) 90g310.4 MAP procedures MSC-B (functional unit 4) .
38、 90g310.5 Interworking between Handover control procedures and MAP procedures in MSC-B . 91g310.6 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 (f
39、unctional unit 2) 91g311.3 Handover/Relocation control procedures 3G_MSC-A (functional unit 3) . 93g311.4 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 . 96g31
40、1.7 Protocol interworking . 96g312 Detailed procedures in 3G_MSC-B . 96g312.1 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) . 97g3
41、12.4 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 an
42、d other RANAP procedures . 100g312.8.1 Interactions between handover/relocation control procedures and the security mode procedure . 100g312.8.1.1 Intra-3G_MSC-B handover/relocation 100g312.8.1.2 Subsequent Inter-MSC handover/relocation . 102g312.8.2 Interactions between handover/relocation control
43、procedures and the RAB assignment procedure 104g312.8.2.1 Intra-3G_MSC-B handover/relocation 104g312.8.2.2 Subsequent Inter-MSC handover/relocation . 106g312.8.3 Interactions between directed retry handover procedures and the RAB assignment procedure . 108g312.8.3.1 Intra-3G_MSC-B directed retry han
44、dover 108g312.8.3.2 Subsequent Inter-MSC directed retry handover 109g313 Subsequent channel assignment using a circuit connection between MSC-A and MSC-B . 111g313.1 GSM handover . 111g313.2 UMTS to GSM handover . 112g313.3 GSM to UMTS handover . 114g313.4 SRNS Relocation 115g313.4.1 Without circuit
45、 connection 115g313.4.2 With circuit connection (Optional functionality) 116g314 Directed retry handover 117g314.1 GSM handover . 117g314.2 GSM to UMTS handover . 118g314.3 UMTS to GSM handover . 120g315 SDL diagrams . 121g3Annex A (informative): Change history . 298g3History 301g3ETSI ETSI TS 123 0
46、09 V14.0.0 (2017-03)63GPP TS 23.009 version 14.0.0 Release 14Foreword This Technical Specification (TS) has been produced by ETSI 3rd Generation Partnership Project (3GPP). The present document provides a mechanism giving reliable transfer of signalling messages within the 3GPP system. The contents
47、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 change of release date and an increase in version number as follows: V
48、ersion 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, updates, etc. z the
49、 third digit is incremented when editorial only changes have been incorporated in the document. ETSI ETSI TS 123 009 V14.0.0 (2017-03)73GPP TS 23.009 version 14.0.0 Release 141 Scope The present document contains a detailed description of the handover procedures to be used in PLMNs. The purpose of the handover procedures, as described in the present document, are to ensure that the connection to the Mobile Station (MS) or User Equipment (UE) is maintained as it moves from one cell or radio network to another. The document defines the circuit switched handover functio
