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
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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
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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
