ETSI TS 129 108-2017 Universal Mobile Telecommunications System (UMTS) LTE Application of the Radio Access Network Application Part (RANAP) on the E-interface (V14 0 0 3GPP TS 29 1.pdf

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1、 ETSI TS 129 108 V14.0.0 (2017-04) Universal Mobile Telecommunications System (UMTS); LTE; Application of the Radio Access Network Application Part (RANAP) on the E-interface (3GPP TS 29.108 version 14.0.0 Release 14) TECHNICAL SPECIFICATION ETSI ETSI TS 129 108 V14.0.0 (2017-04)13GPP TS 29.108 vers

2、ion 14.0.0 Release 14Reference RTS/TSGR-0329108ve00 Keywords LTE,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 Sous-Prfecture de Grasse (06) N 78

3、03/88 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 without the pri

4、or 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 of the present

5、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 https:/portal.etsi.org/TB/ETSIDeliverableStatus.aspx If you find errors in the present document, please send your comment to o

6、ne 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 conte

7、nt 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 2017. All rights reserved. DECTTM, PLUGTESTSTM, UMTSTMand the ETSI logo are Trade Ma

8、rks 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 TS 129 108 V14.0.0 (2017-04)23G

9、PP TS 29.108 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 and non-members, and can be found in E

10、TSI 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 Policy, n

11、o 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 Technical

12、 Specification (TS) 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 del

13、iverables. 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 int

14、erpreted 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 TS 129 108 V14.0.0 (2017-04)33GPP TS 29.108 version 14.0.0 Release 14Contents Inte

15、llectual Property Rights 2g3Foreword . 2g3Modal verbs terminology 2g3Foreword . 4g31 Scope 5g32 References 5g33 Abbreviations . 5g34 Principles for the use of RANAP on the E-interface 6g34.1 General . 6g34.2 Transfer of RANAP layer 3 messages on the E-interface 6g34.3 Roles of 3G_MSC-A, 3G_MSC-I and

16、 3G_MSC-T . 6g35 Use of the RANAP on the E-interface . 7g35.1 RAB Assignment 7g35.2 RAB Release Request 7g35.3 Iu Release Request . 8g35.4 Relocation Resource Allocation . 8g35.5 Relocation Cancel. 8g35.6 Relocation Detect and Relocation Complete 8g35.7 CN Trace invocation 9g35.8 Security mode contr

17、ol 9g35.9 Location Reporting Control 9g35.10 Location Report 9g35.11 Direct Transfer . 9g35.12 Error Indication 10g35.13 CN Deactivate Trace 10g35.14 Common ID 10g35.15 Location Related Data 10g35.16 UE Specific Information 10g35.17 RAB Modification Request 10g36 RANAP messages transferred on the E-

18、interface 11g37 Exceptions for RANAP message contents and information element coding when transferred on the E-interface 12g37.1 Message Contents . 12g38 RANAP message error handling when transferred on the E-interface . 12g3Annex A (informative): Change history . 13g3History 14g3ETSI ETSI TS 129 10

19、8 V14.0.0 (2017-04)43GPP TS 29.108 version 14.0.0 Release 14Foreword This Technical Specification has been produced 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

20、 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 i

21、ndicates 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 third digit is incremented when editorial only changes have been incorporated in the document. ETSI ETSI TS 129 108 V14.0

22、.0 (2017-04)53GPP TS 29.108 version 14.0.0 Release 141 Scope The present document describes the subset of Radio Access Network Application Part (RANAP) messages and procedures, defined in 3GPP TS 25.413 4, which is used on the E-interface. A general description can be found in 3GPP TS 23.002 7 and 3

23、GPP TS 23.009 2. For the initiation and execution of relocation of SRNS (relocation for short, throughout the whole document) between MSCs a subset of RANAP procedures are used. For the subsequent control of resources allocated to the User Equipment (UE) RANAP procedures are used. The Direct Transfe

24、r Elementary Procedure (EP) of RANAP, is used for the transfer of connection management and mobility management messages between the UE and the controlling 3G_MSC. 2 References The following documents contain provisions which, through reference in this text, constitute provisions of the present docu

25、ment. - References are either specific (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 (

26、including a GSM document), a non-specific reference implicitly refers to the latest version of that document in the same Release as the present document. 1 3GPP TR 21.905: “Vocabulary“. 2 3GPP TS 23.009: “Handover procedures“. 3 Void 4 3GPP TS 25.413: “UTRAN Iu Interface Radio Access Network Applica

27、tion Part (RANAP) signalling“. 5 3GPP TS 29.002: “Mobile Application Part (MAP) specification“. 6 3GPP TS 29.010: “Information element mapping between Mobile Station - Base Station System (MS - BSS) and Base Station System - Mobile-services Switching Centre (BSS - MSC); Signalling procedures and the

28、 Mobile Application Part (MAP)“. 7 3GPP TS 23.002: “Network architecture“. 8 Void 3 Abbreviations For the purposes of the present document, the abbreviations defined in TR 21.905 1 and the following apply: 3G_MSC A third generation Mobile services Switching Centre that supports the Iu interface (and

29、 possibly also the A-interface) 3G_MSC-A The controlling 3G_MSC on which the call was originally established 3G_MSC-B The 3G_MSC to which the UE is handed over in a Basic Handover 3G_MSC-B The 3G_MSC to which the UE is handed over in a Subsequent Handover 3G_MSC-I Interworking 3G_MSC 3G_MSC-T Target

30、 3G_MSC EP Elementary Procedure NNSF NAS Node Selection Function RNC Radio Network Controller ETSI ETSI TS 129 108 V14.0.0 (2017-04)63GPP TS 29.108 version 14.0.0 Release 144 Principles for the use of RANAP on the E-interface 4.1 General The mechanism for the transfer of the RANAP messages on the E-

31、interface is defined in TS 29.002 5. The operation of the relocation procedures between 3G_MSCs and the use of the RANAP messages for those procedures is described in TS 23.009 2 and TS 29.010 6. RANAP is defined to connect the RNS to both, the cs and ps domain of an UMTS CN. Procedures, messages an

32、d IEs, only defined for communication between the RNS and the ps domain of an UMTS CN will, of course, never appear on the E-interface. In the same way as a the connection oriented service of SCCP is used for the messages relating to one UE on the 3G_MSC-RNS interface a TCAP dialogue is used on the

33、E-interface for messages relating to one UE. As no correspondence to the connectionless service on the 3G_MSC-RNS interface is used on the E-interface none of the global procedures are applicable. The management of the terrestrial circuits between the 3G_MSCs is outside the scope of the E-interface

34、(see TS 23.009 2), therefore all procedures, messages and information elements relating to terrestrial circuits are also excluded from the RANAP procedures and messages used on the E-interface. 4.2 Transfer of RANAP layer 3 messages on the E-interface The RANAP data which on the 3G_MSC-RNS interface

35、 is contained in the user data field of the exchanged SCCP frames is on the E-interface transferred as the contents of the access network signalling info in the AN-APDU parameter as described in TS 29.002 5, indicating the access network protocol identification “ts3G-25413“. 4.3 Roles of 3G_MSC-A, 3

36、G_MSC-I and 3G_MSC-T For the description in the present document, the 3G_MSCs functionality related to the relocation between 3G_MSCs has been split into three logical parts, 3G_MSC-A, 3G_MSC-T and 3G_MSC-I. The different roles need not necessarily be performed by different 3G_MSCs. 3G_MSC-A is the

37、call/connection controlling part of the 3G_MSC where the call/connection was originally established and the switching point for relocation between 3G_MSCs. (This corresponds to 3G_MSC-A as defined in TS 23.009 2 and TS 29.002 5). The 3G_MSC that is the 3G_MSC-A will not be changed during the duratio

38、n of a call/connection. 3G_MSC-T is the part relating to the transitory state during the relocation for the 3G_MSC controlling the RNS the serving RNS functionality is relocated to, when basic relocation or subsequent relocation (see TS 23.009) take place. (This corresponds, depending on the type of

39、 relocation to 3G_MSC-A, 3G_MSC-B or 3G_MSC-B in TS 23.009 2 and TS 29.002 5). 3G_MSC-I is the part of a 3G_MSC through which the 3G_MSC-A, via an E-interface (or an internal interface) is in contact with the UE. (This corresponds, depending on the type of relocation to 3G_MSC-A, 3G_MSC-B or 3G_MSC-

40、B in TS 23.009 2 and TS 29.002 5). The 3G_MSC that is the 3G_MSC-A can also have the role of either the 3G_MSC-I or the 3G_MSC-T during a period of the call/connection. The following is applicable for the involved 3G_MSCs concerning the exchange of RANAP data on an E-interface before and after a suc

41、cessful inter 3G_MSC relocation: 1) At basic relocation, two 3G_MSCs are involved, one 3G_MSC being 3G_MSC-A and one being 3G_MSC-T. When this relocation has been performed, the two 3G_MSCs interworking on the E-interface have the roles of 3G_MSC-A and 3G_MSC-I respectively, i.e. the 3G_MSC that is

42、the 3G_MSC-T during the relocation is now the 3G_MSC-I. 2) At subsequent relocation back to 3G_MSC-A, two 3G_MSCs are involved. The 3G_MSC having the role of 3G_MSC-A has also the role of 3G_MSC-T. The other 3G_MSC involved has the role of 3G_MSC-I. When this ETSI ETSI TS 129 108 V14.0.0 (2017-04)73

43、GPP TS 29.108 version 14.0.0 Release 14relocation has been completed, there is no exchange of RANAP data on the E-interface, i.e. the 3G_MSC being the 3G_MSC-I before and during the relocation is now no longer taking part. 3) At subsequent relocation of SRNS to an 3G_MSC not being 3G_MSC-A, three 3G

44、_MSCs are involved. The roles of these 3G_MSCs are 3G_MSC-A, 3G_MSC-I, and 3G_MSC-T respectively. When this relocation has been performed, the two 3G_MSCs interworking on an E-interface have the roles of 3G_MSC-A and 3G_MSC-I respectively, i.e. the 3G_MSC that is the 3G_MSC-T during the relocation i

45、s now the 3G_MSC-I and the 3G_MSC being 3G_MSC-I during the relocation is now no longer taking part. 5 Use of the RANAP on the E-interface The dedicated RANAP procedures used on the E-interface to some extent are: - RAB assignment; - RAB Release Request; - Iu Release Request; - Relocation resource a

46、llocation; - Relocation Detect; - Relocation Complete; - Relocation Cancel; - CN Invoke Trace; - Security mode control; - Location Reporting Control; - Location Report; - Direct Transfer; - Error Indication; - Common ID; - Location Related Data; - UE Specific Information; - RAB Modification Request.

47、 5.1 RAB Assignment The RAB Assignment procedure (TS 25.413 4 subclause 8.2) is applied on the E-interface with following conditions: - the 3G_MSC-A acts as the 3G_MSC; - the 3G_MSC-I acts as the RNS. The handling of terrestrial resources is not applicable, i.e. the RANAP IEs Transport Layer Address

48、 and Iu Transport Association will be assigned by the 3G_MSC-I. 5.2 RAB Release Request For the RAB Release Request procedure (TS 25.413 4 subclauses 8.3) the involved 3G_MSCs shall act according to the following: ETSI ETSI TS 129 108 V14.0.0 (2017-04)83GPP TS 29.108 version 14.0.0 Release 14- the 3

49、G_MSC-I acts as the RNS; - the 3G_MSC-A acts as the 3G_MSC. 5.3 Iu Release Request For the Iu Release Request procedure (TS 25.413 4 subclause 8.4) the involved 3G_MSCs shall act according to the following: - the 3G_MSC-I acts as the RNS; - the 3G_MSC-A acts as the 3G_MSC. Additionally, at basic Inter-3G_MSC relocation and at subsequent Inter-3G_MSC relocation (TS 23.009 2), if the 3G_MSC that is the 3G_MSC-A is not also the 3G_MSC-T, the Iu Release Request procedure (TS 25.413 4 subclause 8.4) is applied on the E-in