1、 ETSI TS 125 420 V15.0.0 (2018-07) Universal Mobile Telecommunications System (UMTS); UTRAN Iur interface general aspects and principles (3GPP TS 25.420 version 15.0.0 Release 15) TECHNICAL SPECIFICATION ETSI ETSI TS 125 420 V15.0.0 (2018-07)13GPP TS 25.420 version 15.0.0 Release 15Reference RTS/TSG
2、R-0325420vf00 Keywords 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 7803/88 Important notice The present documen
3、t 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 prior written authorization of ETSI. In case
4、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 document should be aware that the document
5、 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 one of the following services: https:/porta
6、l.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 content of the PDF version shall not be modifie
7、d without the written authorization 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
8、of ETSI registered for the 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 125 420 V15.0.0 (2018-07)23GPP TS 25.420 version 15.0.0 Rel
9、ease 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 available for ETSI members and non-members, and can be found in ETSI SR 000
10、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, no investiga
11、tion, 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. Trademarks The present document ma
12、y include trademarks and/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
13、 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 Partnership Project (3GPP). The present document may refer to technical specificat
14、ions 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 identities can be found under http:/webapp.etsi.org/key/queryform.asp. Modal ve
15、rbs 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 (Verbal forms for the expression of provisions). “must“ and “must not“ are NOT a
16、llowed in ETSI deliverables except when used in direct citation. ETSI ETSI TS 125 420 V15.0.0 (2018-07)33GPP TS 25.420 version 15.0.0 Release 15Contents Intellectual Property Rights 2g3Foreword . 2g3Modal verbs terminology 2g3Foreword . 5g31 Scope 6g32 References 6g33 Definitions and abbreviations .
17、 7g33.1 Definitions 7g33.2 Abbreviations . 7g33.2 Specification Notations 8g34 General Aspects 9g34.1 Introduction 9g34.2 Iur Interface General Principles 9g34.3 Iur Interface Specification Objectives 9g34.3.1 General 9g34.3.2 Addressing of RNSs over the Iur Interface . 9g34.4 Iur Interface Capabili
18、ties 9g34.4.1 Radio application related signalling 9g34.4.2 Iub/Iur DCH data streams . 10g34.4.3 Iur RACH data streams . 10g34.4.4 Iur DSCH data streams TDD . 10g34.4.5 Iur USCH data streams TDD . 10g34.4.6 Iur FACH data streams . 10g34.4.7 Iur HS-DSCH data streams . 10g34.4.8 Iub/Iur E-DCH data str
19、eams . 10g34.4.9 Iur IuUP data streams for CS data forwarding 10g34.5 Iur Interface Characteristics . 11g34.5.1 Uses of SCCP . 11g34.5.1.1 General 11g34.5.1.2 SCCP connection establishment 11g34.5.1.3 Establishment procedure initiated from the SRNC . 11g34.5.1.3A Establishment procedure initiated fr
20、om an RNC requesting common measurements or information 12g34.5.1.4 SCCP connection release 13g34.5.1.5 General SCCP Abnormal Conditions 13g34.5.1.5.1 SCCP bearer failure . 13g34.5.1.5.2 SCCP connection failure . 13g34.5.2 SCCP Addressing Scheme 13g34.5.2.1 General 13g35 Functions of the IurInterfac
21、e Protocols 14g35.1 Functional List 14g35.2 Functional Split over Iur . 15g35.2.1 Combining/Splitting 15g35.2.2 Control of Combining/Splitting Topology 15g35.2.3 Handling of DRNS Hardware Resources 15g35.2.4 Allocation of Physical Channels . 15g35.2.5 UpLink Power Control 15g35.2.6 Down-Link Power C
22、ontrol . 15g35.2.7 Admission Control 15g35.2.8 Radio Protocol Functional Split 16g35.2.9 MBMS Bearer Type Control 16g35.2.10 MBSFN MCCH Information Control . 16g36 IurInterface Protocols . 16g3ETSI ETSI TS 125 420 V15.0.0 (2018-07)43GPP TS 25.420 version 15.0.0 Release 156.1 General . 16g36.2 Radio
23、Signalling Protocols . 16g36.2.1 RNSAP Protocol . 16g36.3 User Plane Frame Protocols . 17g36.3.1 Iub/Iur DCH Frame Protocol 17g36.3.2 Iur DSCH Frame Protocol TDD . 17g36.3.3 Iur USCH Frame Protocol TDD . 18g36.3.4 Iur RACH Frame Protocol 18g36.3.5 Iur FACH Frame Protocol 18g36.3.6 Iur HS-DSCH Frame
24、Protocol 18g36.3.7 Iur E-DCH Frame Protocol . 18g36.4 Mapping of Frame Protocols onto transport bearers 19g37 DRNS logical Model over Iur. 19g37.1 Overview 19g37.2 Logical Model Elements 20g37.2.1 Radio Link 20g37.2.2 Cell 20g37.2.3 Iur DCH Data Port 20g37.2.4 Iur DSCH Data Port TDD 20g37.2.5 Iur US
25、CH Data Port TDD 20g37.2.6 Iur RACH/FACH Data Port 20g37.2.7 Iur Control Port . 21g37.2.8 Iur HS-DSCH Data Port . 21g37.2.9 Iur E-DCH Data Port 21g38 IurInterface Protocol Structure . 21g39 Other IurInterface Specifications 22g39.1 UTRAN Iur Interface: Layer 1 (TS 25.421) . 22g39.2 UTRAN Iur Interfa
26、ce: Signalling Transport (TS 25.422) 22g39.3 UTRAN Iur Interface: RNSAP Specification (TS 25.423) 22g39.4 UTRAN Iur Interface: Data Transport and Transport Signalling for Common Transport Channel Data Streams (TS 25.424) . 22g39.5 UTRAN Iur Interface: User Plane Protocols for Common Transport Channe
27、l Data Streams (TS 25.425) . 22g39.6 UTRAN Iur 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 third digit is incremented
28、when editorial only changes have been incorporated in the document. ETSI ETSI TS 125 420 V15.0.0 (2018-07)63GPP TS 25.420 version 15.0.0 Release 151 Scope The present document is an introduction to the TSG RAN TS 25.42x series of UMTS Technical Specifications that define the Iur Interface. It is a l
29、ogical interface for the interconnection of two Radio Network Controller (RNC) components of the UMTS Terrestrial Radio Access Network (UTRAN) for the UMTS system. 2 References The following documents contain provisions which, through reference in this text, constitute provisions of the present docu
30、ment. g404 References are either specific (identified by date of publication, edition number, version number, etc.) or non-specific. g404 For a specific reference, subsequent revisions do not apply. g404 For a non-specific reference, the latest version applies. In the case of a reference to a 3GPP d
31、ocument (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 TS 25.427: “UTRAN Iub/Iur Interface User Plane Protocol for DCH Data Streams“. 2 3GPP TS 25.425: “UTRAN Iur Interface: User Plane
32、Protocols for Common Transport Channel Data Streams“. 3 3GPP TS 25.421: “UTRAN Iur Interface: Layer 1“. 4 3GPP TS 25.422: “UTRAN Iur Interface: Signalling Transport“. 5 3GPP TS 25.423: “UTRAN Iur Interface: Radio Network Subsystem Application Part (RNSAP) signalling“. 6 3GPP TS 25.424: “UTRAN Iur In
33、terface: Data Transport Stage 2“. 18 3GPP TS 25.346: “Introduction of the Multimedia Broadcast/Multicast Service (MBMS) in the Radio Access Network (RAN); Stage 2“. 19 3GPP TS 25.319: “Enhanced Uplink; Overall description; Stage 2“. 20 3GPP TS 25.415: “UTRAN Iu interface user plane protocols“ ETSI E
34、TSI TS 125 420 V15.0.0 (2018-07)73GPP TS 25.420 version 15.0.0 Release 153 Definitions and abbreviations 3.1 Definitions None. 3.2 Abbreviations For the purposes of the present document, the following abbreviations apply: AAL2 ATM Adaptation Layer type 2 AAL5 ATM Adaptation Layer type 5 ALCAP Access
35、 Link Control Application Part ATM Asynchronous Transfer Mode BSS Base Station Subsystem CRNC Controlling RNC CTP Common Transport Protocol DCH Dedicated Transport Channel DL Downlink DPCH Dedicated Physical Channel DRNC Drift Radio Network Controller DRNS Drift Radio Network Subsystem DSCH Downlink
36、 Shared Channel E-DCH Enhanced Dedicated Channel EDGE Enhanced Data rates for GSM Evolution FACH Forward Access Channel F-DPCH Fractional DPCHFFS For Further Study GERAN GSM/EDGE Radio Access Network GSM Global System for Mobile communications GT Global TitleHARQ Hybrid Automatic Repeat Request HS-D
37、SCH High Speed Downlink Shared Channel IP Internet Protocol MAC Medium Access Control MBMS Multimedia Broadcast Multicast Service MRNC MBMS Master RNC MTP3-B Message Transfer Part level 3 (for Q.2140) PLMN Public Land Mobile Network PTM Point To Multipoint PTP Point To Point QoS Quality of Service R
38、ACH Random Access Channel RF Radio Frequency RNC Radio Network Controller RNS Radio Network Subsystem RNSAP Radio Network Subsystem Application Part RRC Radio Resource Control SCCP Signalling Connection Control Part SPC Signalling Point Code SRNC Serving Radio Network Controller SRNS Serving Radio N
39、etwork Subsystem SS7 Signalling System No 7 SSCF-NNI Service Specific Co-ordination Function Network Node Interface SSCOP Service Specific Connection Oriented Protocol SSN Sub-System Number STC Signalling Transport Converter UDP User Datagram Protocol UE User Equipment UL Up-link ETSI ETSI TS 125 42
40、0 V15.0.0 (2018-07)83GPP TS 25.420 version 15.0.0 Release 15UMTS Universal Mobile Telecommunication System URA UTRAN Registration Area USCH Uplink Shared Channel UTRAN UMTS Terrestrial Radio Access Network 3.2 Specification Notations For the purposes of the present document, the following notations
41、apply: FDD This tagging of a word indicates that the word preceding the tag “FDD“ applies only to FDD. This tagging of a heading indicates that the heading preceding the tag “FDD“ and the section following the heading applies only to FDD. TDD This tagging of a word indicates that the word preceding
42、the tag “TDD“ applies only to TDD, including 7.68 Mcps TDD, 3.84Mcps TDD and 1.28Mcps TDD. This tagging of a heading indicates that the heading preceding the tag “TDD“ and the section following the heading applies only to TDD, including 7.68 Mcps TDD, 3.84Mcps TDD and 1.28Mcps TDD. 3.84Mcps TDD This
43、 tagging of a word indicates that the word preceding the tag “3.84Mcps TDD“ applies only to 3.84Mcps TDD. This tagging of a heading indicates that the heading preceding the tag “3.84Mcps TDD“ and the section following the heading applies only to 3.84Mcps TDD. 1.28Mcps TDD This tagging of a word indi
44、cates that the word preceding the tag “1.28Mcps TDD“ applies only to 1.28Mcps TDD. This tagging of a heading indicates that the heading preceding the tag “1.28Mcps TDD“ and the section following the heading applies only to 1.28Mcps TDD. 7.68Mcps TDD This tagging of a word indicates that the word pre
45、ceding the tag “7.68Mcps TDD“ applies only to 7.68Mcps TDD. This tagging of a heading indicates that the heading preceding the tag “7.68Mcps TDD“ and the section following the heading applies only to 7.68Mcps TDD. FDD - This tagging indicates that the enclosed text following the “FDD - “ applies onl
46、y to FDD. Multiple sequential paragraphs applying only to FDD are enclosed separately to enable insertion of TDD specific (or common) paragraphs between the FDD specific paragraphs. TDD - This tagging indicates that the enclosed text following the “TDD - “ applies only to TDD including 7.68 Mcps TDD
47、, 3.84Mcps TDD and 1.28Mcps TDD. Multiple sequential paragraphs applying only to TDD are enclosed separately to enable insertion of FDD specific (or common) paragraphs between the TDD specific paragraphs. 3.84Mcps TDD - This tagging indicates that the enclosed text following the “3.84Mcps TDD - “ ap
48、plies only to 3.84Mcps TDD. Multiple sequential paragraphs applying only to 3.84Mcps TDD are enclosed separately to enable insertion of FDD and TDD specific (or common) paragraphs between the 3.84Mcps TDD specific paragraphs. 1.28Mcps TDD - This tagging indicates that the enclosed text following the
49、 “1.28Mcps TDD “ applies only to 1.28Mcps TDD. Multiple sequential paragraphs applying only to 1.28Mcps TDD are enclosed separately to enable insertion of FDD and TDD specific (or common) paragraphs between the 1.28Mcps TDD specific paragraphs. 7.68Mcps TDD - This tagging indicates that the enclosed text following the “7.68Mcps TDD - “ applies only to 7.68Mcps TDD. Multiple sequential paragraphs applying only to 7.68Mcps TDD are enclosed separately to enable insertion of FDD and TDD specif
