ETSI TS 123 251-2018 Universal Mobile Telecommunications System (UMTS) LTE Network sharing Architecture and functional description (V15 0 0 3GPP TS 23 251 version 15 0 0 Release 15.pdf

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1、 ETSI TS 123 251 V15.0.0 (2018-06) Universal Mobile Telecommunications System (UMTS); LTE; Network sharing; Architecture and functional description (3GPP TS 23.251 version 15.0.0 Release 15) TECHNICAL SPECIFICATION ETSI ETSI TS 123 251 V15.0.0 (2018-06)13GPP TS 23.251 version 15.0.0 Release 15Refere

2、nce RTS/TSGS-0223251vf00 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 7803/88 Important notice The

3、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 prior written authorization of

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5、at 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 one of the following service

6、s: 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 content of the PDF version shall

7、 not be modified 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 LTETM

8、are trademarks 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 123 251 V15.0.0 (2018-06)23GPP TS 23.251 ver

9、sion 15.0.0 Release 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

10、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.org/). Pursuant to the ETSI IPR Polic

11、y, 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 present document. Trademarks The pres

12、ent document may 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 tr

13、ademarks in the 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 techn

14、ical 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 identities can be found under http:/webapp.etsi.org/key/queryfor

15、m.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 (Verbal forms for the expression of provisions). “must“ and “must

16、 not“ are NOT allowed in ETSI deliverables except when used in direct citation. ETSI ETSI TS 123 251 V15.0.0 (2018-06)33GPP TS 23.251 version 15.0.0 Release 15Contents Intellectual Property Rights 2g3Foreword . 2g3Modal verbs terminology 2g3Foreword . 5g3Introduction 5g31 Scope 6g32 References 6g33

17、Definitions and abbreviations . 7g33.1 Definitions 7g33.2 Void 8g33.3 Abbreviations . 8g34 General Description 8g34.1 Overview 8g34.2 Core Network Operator and Network Selection . 9g34.2.1 Core network operator identity . 9g34.2.2 Broadcast system information for network sharing 10g34.2.3 Network se

18、lection in a shared network . 10g34.2.3.1 Behaviour of supporting UEs (GERAN, UTRAN and E-UTRAN) 10g34.2.3.2 Behaviour of non-supporting UEs (GERAN, UTRAN) 10g34.2.4 Assignment of core network operator and core network node 10g34.2.5 PS and CS domain registration coordination in UTRAN and GERAN 11g3

19、4.2.5a PS and CS domain registration coordination in E-UTRAN 11g34.2.5.1 Void. 12g34.2.5.2 Void. 12g34.2.5.3 CS/PS domain coordination and operator selection in GERAN and UTRAN 12g34.2.6 Attach/detach handling . 13g34.3 Network Name Display for Supporting UEs 13g34.4 HPLMN Support 13g34.5 Support of

20、 Cell Broadcast Services and Warning System 14g34.6 Support of Extended Access Barring 14g34.7 Support of service identification for improved radio utilization for GERAN 14g35 Functional description 14g35.1 UE functions . 14g35.2 RNC functions 14g35.2a eNodeB functions . 15g35.2b BSC functions 15g35

21、.3 MSC functions 17g35.4 SGSN functions 17g35.5 MME functions 18g36 Charging and accounting aspects . 20g37 Example signalling flows . 20g37.1 Network selection . 20g37.1.2 Non-supporting UEs in a GWCN configuration . 20g37.1.3 Supporting UEs in a GWCN configuration 21g37.1.4 Non-supporting UEs in a

22、 MOCN configuration . 22g37.1.4.1 UTRAN based MOCN configuration 22g37.1.4.2 GERAN based MOCN configuration 25g37.1.4.3 CS registration after PS Handover 28g37.1.5 Supporting UEs in a MOCN configuration . 30g37.1.5.1 UTRAN based MOCN configuration 30g37.1.5.2 GERAN based MOCN configuration 31g37.1.6

23、 Query to opposite domain . 32g3ETSI ETSI TS 123 251 V15.0.0 (2018-06)43GPP TS 23.251 version 15.0.0 Release 15Annex A (informative): Network Resource Indicator (NRI) allocation examples 33g3A.1 NRI in shared UTRAN/GERAN networks 33g3A.2 Alternatives for NRI split in UTRAN and GERAN . 34g3A.3 NRI an

24、d CS/PS coordination in GWCN 35g3A.4 CSPS Coordination 35g3Annex B (normative): Interaction with other network capabilities 38g3B.1 General . 38g3B.2 Support for RAN sharing for CSG and hybrid cells . 38g3Annex C (informative): Change History 39g3History 40g3ETSI ETSI TS 123 251 V15.0.0 (2018-06)53G

25、PP TS 23.251 version 15.0.0 Release 15Foreword This Technical Specification has been produced by the 3rd Generation 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 the TSG modify the c

26、ontents 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 indicates TSG approved

27、 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. Introduction Network sharing is a way for opera

28、tors to share the heavy deployment costs for mobile networks, especially in the roll-out phase. In the current mobile telephony marketplace, functionality that enables various forms of network sharing is becoming more and more important. These aspects have not really been addressed before Release 6

29、in 3GPP UTRAN based access networks, before Release 8 in 3GPP E-UTRAN based access networks and before Release 10 in 3GPP GERAN based access networks, although there has been functionality that supports a very basic type of network sharing since the Release 5 versions of the 3GPP specifications. To

30、cope with 3GPP pre-Release 6 UTRAN UEs and with non supporting 3GPP GERAN UEs, this specification describes extra functionality for MSCs, SGSNs, BSCs and RNCs in order to provide network sharing functionality to “non-supporting UEs“. In this Release of the specifications, all UTRAN and E-UTRAN capab

31、le UEs are required to support the UTRAN and E-UTRAN network sharing requirements. Hence the E-UTRAN and MMEs (which were introduced in 3GPP Release 8) do not need functionality to handle “non-supporting UEs“. Scenarios and user requirements are described in TR 22.951 1, while the current document p

32、resents the stage 2 details and descriptions of how these requirements are supported in a 3GPP GERAN, UTRAN and/or E-UTRAN based network. ETSI ETSI TS 123 251 V15.0.0 (2018-06)63GPP TS 23.251 version 15.0.0 Release 151 Scope The present document covers the details of Network Sharing for GERAN, UTRAN

33、 and E-UTRAN. It shows how several core network operators can share one radio access network and details the impacts on the network architecture. All UEs shall comply with existing requirements, among them PLMN selection and system information reception. The present document also defines requirement

34、s for network-sharing supporting UEs. 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-specif

35、ic. - 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 (including a GSM document), a non-specific reference implicitly refers to the latest version of that document in the same Relea

36、se as the present document. 1 3GPP TR 22.951: “Service Aspects and Requirements for Network Sharing“. 2 3GPP TR 21.905: “Vocabulary for 3GPP Specifications“. 3 3GPP TS 25.331: “RRC Protocol Specification“. 4 3GPP TS 23.122: “NAS Functions related to Mobile Station (MS) in idle mode“. 5 3GPP TS 32.25

37、0: “Telecommunication management; Charging management; Circuit Switched (CS) domain charging“. 6 3GPP TS 32.251: “Telecommunication management; Charging management; Packet Switched (PS) domain charging“. 7 3GPP TS 24.008: “Mobile radio interface Layer 3 specification; Core network protocols; Stage 3

38、“. 8 3GPP TS 23.236: “Intra-domain connection of Radio Access Network (RAN) nodes to multiple Core Network (CN) nodes“. 9 3GPP TS 23.401: “Technical Specification Group Services and System Aspects; GPRS enhancements for E-UTRAN access“. 10 3GPP TS 36.300: “Evolved Universal Terrestrial Radio Access

39、(E-UTRA) and Evolved Universal Terrestrial Radio Access (E-UTRAN); Overall description; Stage 2“. 11 3GPP TS 36.331: “Evolved Universal Terrestrial Radio Access (E-UTRA); Radio Resource Control (RRC); Protocol specification“. 12 3GPP TS 24.301: “Non-Access-Stratum (NAS) protocol for Evolved Packet S

40、ystem (EPS); Stage 3“. 13 3GPP TS 25.413: “UTRAN Iu interface, Radio Access Network Application Part (RANAP) signalling“. 14 3GPP TS 36.413: “Evolved Universal Terrestrial Radio Access Network (E-UTRAN); S1 Application Protocol (S1AP)“. 15 3GPP TS 23.272: “Circuit Switched (CS) fallback in Evolved P

41、acket System (EPS); Stage 2“. 16 3GPP TS 44.018: “Radio Resource Control RRC Protocol Specification“. 17 3GPP TS 25.467: “UTRAN architecture for 3G Home Node B (HNB); Stage 2“. ETSI ETSI TS 123 251 V15.0.0 (2018-06)73GPP TS 23.251 version 15.0.0 Release 1518 3GPP TS 22.042: “Network Identity and Tim

42、e Zone (NITZ); Service description; Stage 1“. 19 3GPP TS 44.064: “General Packet Radio Service (GPRS); Mobile Station - Serving GPRS Support Node (MS SGSN) Logical Link Control (LLC) layer specification“. 20 3GPP TS 23.041: “Technical realization of Cell Broadcast Service (CBS)“. 21 3GPP TS 29.280:

43、“3GPP Sv interface (MME to MSC, and SGSN to MSC) for SRVCC“. 22 3GPP TS 23.060: “General Packet Radio Service (GPRS); Service description; Stage 2“. 23 3GPP TS 22.011: “Service Accessibility“. 24 3GPP TS 48.018: “General Packet Radio Service (GPRS); Base Station System (BSS) - Serving GPRS Support N

44、ode (SGSN); BSS GPRS Protocol (BSSGP)“. 25 3GPP TS 48.008: “Mobile-services Switching Centre Base Station System (MSC BSS) interface; Layer 3 specification“. 26 3GPP TS 29.018: “General Packet Radio Service (GPRS); Serving GPRS Support Node (SGSN) Visitors Location Register (VLR); Gs interface layer

45、 3 specification“. 27 3GPP TS 29.118: “Mobility Management Entity (MME) - Visitor Location Register (VLR) SGs interface specification“. 3 Definitions and abbreviations 3.1 Definitions For the purposes of the present document, the following terms and definition below apply. Terms and definitions not

46、defined below can be found in TR 21.905 2. Conventional network: A PLMN consisting of radio access network and core network, by which only one serving operator provides services to its subscriber. Subscribers of other operators may receive services by national or international roaming. Common PLMN:

47、The PLMN-id indicated in the system broadcast information as defined for conventional networks, which non-supporting UEs understand as the serving operator. Core network operator: An operator that provides services to subscribers as one of multiple serving operators that share at least a radio acces

48、s network. Each core network operator may provide services to subscriber of other operators by national or international roaming. Gateway Core Network: A network sharing configuration in which parts of the core network (MSCs/SGSNs/MMEs) are also shared. Multi-Operator Core Network: A network-sharing

49、 configuration in which only the RAN is shared. Non-supporting UE: A UE that does not support network sharing in the sense that it ignores the additional broadcast system information that is specific for network sharing for 3GPP UTRAN and GERAN. In other specifications, the term “network sharing non-supporting UE“ may be used. Supporting UE: A UE that supports network sharing in the sense that it is able to select a core network operator as the serving operator within a shared network. In other specifications, the term