ETSI TS 125 401-2018 Universal Mobile Telecommunications System (UMTS) UTRAN overall description (V15 0 0 3GPP TS 25 401 version 15 0 0 Release 15).pdf

1、 ETSI TS 125 401 V15.0.0 (2018-07) Universal Mobile Telecommunications System (UMTS); UTRAN overall description (3GPP TS 25.401 version 15.0.0 Release 15) TECHNICAL SPECIFICATION ETSI ETSI TS 125 401 V15.0.0 (2018-07)13GPP TS 25.401 version 15.0.0 Release 15Reference RTS/TSGR-0325401vf00 Keywords UM

2、TS 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 7803/88 Important notice The present document can be downloaded from:

3、 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 prior written authorization of ETSI. In case of any existing or percei

4、ved 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 document should be aware that the document may be subject to revisi

5、on 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 one of the following services: https:/portal.etsi.org/People/Commite

6、eSupportStaff.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 content of the PDF version shall not be modified without the written aut

7、horization of ETSI. The copyright and the foregoing restriction extend to reproduction in all media. ETSI 2018. All rights reserved. DECTTM, PLUGTESTSTM, UMTSTMand the ETSI logo are trademarks of ETSI registered for the benefit of its Members. 3GPPTM and LTETMare trademarks of ETSI registered for th

8、e benefit of its Members and of the 3GPP Organizational Partners. oneM2M logo is protected for the benefit of its Members. GSMand the GSM logo are trademarks registered and owned by the GSM Association. ETSI ETSI TS 125 401 V15.0.0 (2018-07)23GPP TS 25.401 version 15.0.0 Release 15Intellectual Prope

9、rty 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 available for ETSI members and non-members, and can be found in ETSI SR 000 314: “Intellectual Proper

10、ty 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, no investigation, including IPR searc

11、hes, 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. Trademarks The present document may include trademarks and/

12、or tradenames which are asserted and/or registered by their owners. ETSI claims no ownership of these except for any which are indicated as being the property of ETSI, and conveys no right to use or reproduce any trademark and/or tradename. Mention of those trademarks in the present document does no

13、t 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 Partnership Project (3GPP). The present document may refer to technical specifications or reports using the

14、ir 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 identities can be found under http:/webapp.etsi.org/key/queryform.asp. Modal verbs terminology In the pr

15、esent 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 (Verbal forms for the expression of provisions). “must“ and “must not“ are NOT allowed in ETSI deliverabl

16、es except when used in direct citation. ETSI ETSI TS 125 401 V15.0.0 (2018-07)33GPP TS 25.401 version 15.0.0 Release 15Contents Intellectual Property Rights 2g3Foreword . 2g3Modal verbs terminology 2g3Foreword . 6g31 Scope 7g32 References 7g33 Definitions and abbreviations . 8g33.1 Definitions 8g33.

17、2 Abbreviations . 10g33.3 Notation 12g34 General principles 13g35 UMTS General architecture . 13g35.1 Overview 13g35.2 General protocols architecture 14g35.2.1 User plane . 14g35.2.2 Control plane 14g36 UTRAN Architecture . 15g36.1 UTRAN Identifiers . 19g36.1.1 PLMN Identity 19g36.1.2 CN Domain Iden

18、tifier . 20g36.1.3 RNC Identifier 20g36.1.4 Service Area Identifier 20g36.1.5 Cell Identifier 20g36.1.6 Local Cell Identifier 20g36.1.7 UE Identifiers 20g36.1.7.1 Usage of RNTI 22g36.1.7a UE Identifiers in GERAN A/Gb mode (1.28Mcps TDD) . 22g36.1.8 Identifiers for dedicated resources within UTRAN 22

19、g36.1.8.1 Radio Network Control Plane identifiers 22g36.1.8.2 Transport Network Identifiers . 22g36.1.8.3 Binding identifier 23g36.1.9 URA Identity 25g36.1.10 Service Identifiers for MBMS 25g36.1.10.1 IP Multicast Address and APN . 25g36.1.10.2 TMGI 25g36.1.10.3 Session Identifier . 25g36.1.10.4 MBM

20、S Service Area . 25g36.1.10.5 MBMS Cell Group Identifier 25g36.1.10.6 MBMS UTRAN Cell Group Identifier . 25g36.1.11 Transport Network Identifiers for MBMS 25g36.1.12 Binding Identifiers for MBMS 25g36.1.13 Use of Extended Identifiers 26g36.2 Transport Addresses . 26g36.3 Function Distribution Princi

21、ples . 26g37 UTRAN Functions description . 26g37.1 List of functions . 26g37.2 Functions description . 28g37.2.0 Transfer of user data . 28g37.2.1 Functions related to overall system access control . 28g37.2.1.1 Admission Control 28g37.2.1.2 Congestion Control . 28g37.2.1.3 System information broadc

22、asting 28g3ETSI ETSI TS 125 401 V15.0.0 (2018-07)43GPP TS 25.401 version 15.0.0 Release 157.2.1.4 MOCN and GWCN configuration support . 29g37.2.2 Radio channel ciphering and deciphering . 29g37.2.3 Functions related to Mobility 29g37.2.3.1 Handover . 29g37.2.3.2 SRNS Relocation 29g37.2.3.3 Paging su

23、pport . 30g37.2.3.4 Positioning 30g37.2.3.5 NAS Node Selection Function 30g37.2.3.6 Shared Networks Access Control 30g37.2.3.7 GERAN System Information Retrieval . 30g37.2.3.8 Enhanced SRNS Relocation 30g37.2.3.9 Subscriber Profile ID for RAT/Frequency Priority . 31g37.2.4 Functions related to radio

24、 resource management and control . 31g37.2.4.1 Radio resource configuration and operation . 31g37.2.4.2 Radio environment survey 31g37.2.4.3 Combining/splitting control 31g37.2.4.4 Connection set-up and release . 32g37.2.4.5 Allocation and deallocation of Radio Bearers . 32g37.2.4.6 TDD - Dynamic Ch

25、annel Allocation (DCA) 32g37.2.4.7 Radio protocols function . 32g37.2.4.8 RF power control 32g37.2.4.8.1 UL Outer Loop Power Control 32g37.2.4.8.2 DL Outer Loop Power Control 33g37.2.4.8.3 UL Inner Loop Power Control . 33g37.2.4.8.4 DL Inner Loop Power Control . 33g37.2.4.8.5 UL Open Loop Power Cont

26、rol 33g37.2.4.8.6 DL Open Loop Power Control 33g37.2.4.9 Radio channel coding 33g37.2.4.10 Radio channel decoding 33g37.2.4.11 Channel coding control . 34g37.2.4.12 Initial (random) access detection and handling . 34g37.2.4.13 CN Distribution function for Non Access Stratum messages . 34g37.2.4.14 3

27、.84 Mcps and 7.68 Mcps TDD - Timing Advance . 34g37.2.4.15 Service specific function for Non Access Stratum messages 34g37.2.4.16 1.28 Mcps TDD Uplink Synchronisation 34g37.2.5 Functions related to broadcast and multicast services (broadcast/multicast interworking function BM-IWF) 34g37.2.5.1 Broadc

28、ast/Multicast Information Distribution 35g37.2.5.2 Broadcast/Multicast Flow Control 35g37.2.5.3 CBS Status Reporting . 35g37.2.6 Tracing 35g37.2.7 Volume Reporting 35g37.2.8 RAN Information Management 35g37.2.9 Functions related to MBMS 35g37.2.9.1 MBMS provision . 35g37.2.9.2 MBMS Notification Coor

29、dination 35g37.2.10 SIPTO at Iu-PS . 35g37.2.11 Explicit Congestion Notification 35g37.2.12 MDT . 36g37.2.13 SIPTO at the Local Network with Standalone GW 36g37.2.14 Traffic Volume for RAN Sharing . 36g38 Mobility Management 36g38.1 Signalling connection . 36g38.2 Consequences for Mobility Handling

30、. 37g39 Synchronisation 37g39.1 SYNCHRONISATION MODEL . 37g310 UTRAN O 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 thi

31、rd digit is incremented when editorial only changes have been incorporated in the document. ETSI ETSI TS 125 401 V15.0.0 (2018-07)73GPP TS 25.401 version 15.0.0 Release 151 Scope The present document describes the overall architecture of the UTRAN, including internal interfaces and assumptions on th

32、e radio and Iu interfaces. 2 References The following documents contain provisions which, through reference in this text, constitute provisions of the present document. References are either specific (identified by date of publication, edition number, version number, etc.) or non-specific. For a spe

33、cific 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 reference implicitly refers to the latest version of that document in the same Release as the present

34、 document. 1 Void 2 3GPP TS 23.110: “UMTS Access Stratum Services and Functions“. 3 Void 4 3GPP TS 25.442: “UTRAN Implementation Specific O Protocol specification“. 8 3GPP TS 23.101: “General UMTS Architecture“. 9 3GPP TS 25.414: “ UTRAN Iu Interface Data Transport Stage 2“. 22 3GPP TR 44.901: “Exte

35、rnal Network Assisted Cell Change“. 23 3GPP TS 48.018: “General Packet Radio Service (GPRS); BSS GPRS Protocol (BSSGP)“. 24 3GPP TS 25.460: “UTRAN Iuant Interface: General Aspects and Principles“. 25 3GPP TS 25.461: “UTRAN Iuant Interface: Layer 1“. 26 3GPP TS 25.462: “UTRAN Iuant Interface: Signall

36、ing Transport“. 27 Void 28 3GPP TS 23.251: “Network sharing - Architecture and functional description“. 29 3GPP TS 25.410: “UTRAN Iu Interface: general aspects and principles”. 30 3GPP TS 25.346: “Introduction of the Multimedia Broadcast Multicast Service (MBMS) in the Radio Access Network (RAN); St

37、age 2”. 31 3GPP TS 25.413: “UTRAN Iu Interface RANAP Signalling“. 32 3GPP TS 25.466: “UTRAN Iuant Interface: Application part“. 33 3GPP TS 25.305: “Stage 2 functional specification of UE positioning in UTRAN“. 34 IETF RFC 4548 (2006-05): “Internet Code Point (ICP) Assignments for NSAP Addresses“ 35

38、3GPP TS 36.300: “Evolved Universal Terrestrial Radio Access (E-UTRA), Evolved Universal Terrestrial Radio Access Network (E-UTRAN); Overall description; stage 2“. 36 3GPP TS 23.060: “General Packet Radio Service (GPRS); Service description; Stage 2“. 37 IETF RFC 3168 (2001-09): “The Addition of Expl

39、icit Congestion Notification (ECN) to IP“. 38 3GPP TS 37.320: “Universal Terrestrial Radio Access (UTRA) and Evolved Universal Terrestrial Radio Access (E-UTRA); Radio measurement collection for Minimization of Drive Tests (MDT); Overall description; Stage 2“. 3 Definitions and abbreviations 3.1 Def

40、initions For the purposes of the present document, the following terms and definitions apply: 1.28Mcps TDD - Multi-frequency Cell: If multiple frequencies are configured in one cell, the cell is defined as the multi-frequency cell. 1.28Mcps TDD - Primary frequency: In a multi-frequency cell, the fre

41、quency on which the P-CCPCH is transmitted is defined as primary frequency. 1.28Mcps TDD - Secondary frequency: In a multi-frequency cell, any frequency other than the primary frequency is defined as secondary frequency. ALCAP: generic name for the transport signalling protocols used to set-up and t

42、ear-down transport bearers Cell: Radio Network object that can be uniquely identified by a User Equipment from a (cell) identification that is broadcasted over a geographical area from one UTRAN Access Point A Cell is either FDD or TDD mode. DCN-ID: DCN identity identifies a specific decicated core

43、network (DCN). ETSI ETSI TS 125 401 V15.0.0 (2018-07)93GPP TS 25.401 version 15.0.0 Release 15Iu: interface between an RNC and an MSC, SGSN or CBC, providing an interconnection point between the RNS and the Core Network. It is also considered as a reference point Iub: interface between the RNC and t

44、he Node B Iur: logical interface between two RNCs Whilst logically representing a point to point link between RNCs, the physical realisation need not be a point to point link. Iur-g: logical interface between RNC/BSS and BSS Whilst logically representing a point to point link between RNC/BSS and BSS

45、, the physical realisation need not be a point to point link. Logical Model: Logical Model defines an abstract view of a network or network element by means of information objects representing network element, aggregations of network elements, the topological relationship between the elements, endpo

46、ints of connections (termination points), and transport entities (such as connections) that transport information between two or more termination points The information objects defined in the Logical Model are used, among others, by connection management functions. In this way, a physical implementa

47、tion independent management is achieved. Network sharing supporting UE: as defined in TS 23.251 28. Network sharing non-supporting UE: as defined in TS 23.251 28. Node B: logical node in the RNS responsible for radio transmission / reception in one or more cells to/from the UE The logical node termi

48、nates the Iub interface towards the RNC. Radio Resources: resources that constitute the radio interface in UTRAN, e.g. frequencies, scrambling codes, spreading factors, power for common and dedicated channels Node B Application Part: Radio Network Signalling over the Iub Radio Network Controller: lo

49、gical node in the RNS in charge of controlling the use and the integrity of the radio resources Controlling RNC: role an RNC can take with respect to a specific set of Node Bs There is only one Controlling RNC for any Node B. The Controlling RNC has the overall control of the logical resources of its node Bs. MBMS Master RNC: role an RNC can take with respect to one or more specific MBSFN cluster(s) MRNC may be used for Inter-RNC MBSFN operation whenever dynamic synchronization of radio resources used for