ETSI TR 122 912-2016 Digital cellular telecommunications system (Phase 2+) Universal Mobile Telecommunications System (UMTS) LTE Study into network selection requirements for non-3.pdf

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1、 ETSI TR 1Digital cellular telecoUniversal Mobile TelStudy into netfor (3GPP TR 22.9TECHNICAL REPORT 122 912 V13.0.0 (2016communications system (Phaelecommunications System (LTE; etwork selection requirementor non-3GPP access .912 version 13.0.0 Release 1316-01) hase 2+); (UMTS); nts 13) ETSI ETSI T

2、R 122 912 V13.0.0 (2016-01)13GPP TR 22.912 version 13.0.0 Release 13Reference RTR/TSGS-0122912vd00 Keywords GSM,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 lucrat

3、if enregistre la Sous-Prfecture de Grasse (06) N 7803/88 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 pre

4、sent document shall not be modified without the prior 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 d

5、rive within ETSI Secretariat. Users of the present 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 http:/portal.etsi.org/tb/status/status.asp If you find errors in the presen

6、t document, please send your comment to one 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

7、 by written permission of ETSI. The content 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 2016. All rights reserved. DECTTM, PLUGTEST

8、STM, UMTSTMand the ETSI logo are Trade Marks 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.

9、ETSI ETSI TR 122 912 V13.0.0 (2016-01)23GPP TR 22.912 version 13.0.0 Release 13Intellectual 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 membe

10、rs and non-members, and can be found 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.

11、org/). Pursuant to the ETSI IPR Policy, 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

12、present document. Foreword This Technical Report (TR) 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 refere

13、nces 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 present document “shall“, “shall not“, “should“, “should not“, “may“, “need not“, “will“, “will not“

14、, “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 deliverables except when used in direct citation. ETSI ETSI TR 122 912 V13.0.0 (2016-01)33GPP TR 22.912 vers

15、ion 13.0.0 Release 13Contents Intellectual Property Rights 2g3Foreword . 2g3Modal verbs terminology 2g3Foreword . 4g31 Scope 5g32 References 5g33 Definitions and abbreviations . 5g33.1 Definitions 5g33.2 Abbreviations . 6g34 Introduction 6g35 Example Use Cases 6g35.1 Use Case 1 6g35.2 Use Case 2 7g3

16、5.3 Use Case 3 7g35.4 Use Case 4 8g35.5 Use Case 5 8g35.6 Use Case 6 8g36 Access types . 9g36.1 Public 9g36.2 Corporate 9g36.3 Private home . 10g37 Requirements for automatic selection 11g37.1 General requirements . 11g37.2 Behaviour of the UE . 11g37.3 Network identification 11g37.4 Selection of a

17、network access . 12g38. Requirements for manual selection 12g38.1 General requirements . 12g38.2 Behaviour of the UE . 13g38.3 Network identification 13g38.4 Presentation to the user . 13g38.5 Selection by the user. 13g39 Requirements for operator management 13g39.1 General requirements . 13g39.2 Up

18、date of the list 13g39.3 Additional information . 14g310 Requirements for end-user management 14g310.1 General requirements . 14g310.2 User entry . 14g311 Service considerations 14g311.1 User experience 14g311.2 Regulatory services 14g311.3 Other services . 15g312 Conclusions 15g3Annex A: Change his

19、tory 16g3History 17g3ETSI ETSI TR 122 912 V13.0.0 (2016-01)43GPP TR 22.912 version 13.0.0 Release 13Foreword This Technical Report 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 foll

20、owing formal TSG approval. Should 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

21、 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 when editorial only changes have been incorporated in the doc

22、ument. ETSI ETSI TR 122 912 V13.0.0 (2016-01)53GPP TR 22.912 version 13.0.0 Release 131 Scope The present document considers the network selection procedures requirements for non-3GPP access types. The network selection principles covered include both automatic and manual selection. Also considered

23、is the operator management of network preferences for non-3GPP access types and how the device accesses networks offered through non-3GPP access. Non-3GPP access includes any method by which the UE is connected either to a core network or to a server other than by using the radio bearers standardise

24、d by 3GPP. Examples are: BlueTooth, WLAN and fixed (wired connections). UEs considered in this study are UEs able to connect to a non-3GPP network in addition to its 3GPP capabilities (i.e. dual mode, multi-mode UEs). This work in this TR is applicable to GSM and UMTS and there are no additional con

25、siderations of EPS (Evolved Packet System). Roaming and handover conditions between 3GPP and non-3GPP networks is not under the scope of this document and will not be treated here. They may be referred to, however, for the consistency of use cases and access description consistency. Connection to a

26、3GPP operators core network by WLAN is out of scope where this is I-WLAN. This is covered in 2. Use of the Generic Access Network is out of scope. Considerations of tariffing are out of scope. 2 References The following documents contain provisions which, through reference in this text, constitute p

27、rovisions of the present document. 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 referen

28、ce 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 document. 1 3GPP TR 21.905: “Vocabulary for 3GPP Specifications“. 2 3GPP TS22.234: “Requirements on 3GPP system to Wireless Local Are

29、a Network (WLAN) interworking“ 3 3GPP TS22.011: Service Accessibility 3 Definitions and abbreviations 3.1 Definitions For the purposes of the present document, the terms and definitions given in TR 21.905 1 and the following apply. A term defined in the present document takes precedence over the def

30、inition of the same term, if any, in TR 21.905 1. Primary NO: The Network Operator which has the commercial relationship with the subscriber and is responsible for billing the subscriber. ETSI ETSI TR 122 912 V13.0.0 (2016-01)63GPP TR 22.912 version 13.0.0 Release 13Secondary NO: A Network Operator

31、that has a commercial relationship with the PNO, by which the SNO provides services to subscribers of the PNO. The relationship could support the seamless handover of services to and from the PNO. 3.2 Abbreviations For the purposes of the present document, the abbreviations given in TR 21.905 1 and

32、the following apply. An abbreviation defined in the present document takes precedence over the definition of the same abbreviation, if any, in TR 21.905 1. PNO Primary Network Operator SNO Secondary Network Operator 4 Introduction Currently, all UEs have 3GPP access capability (e.g. GSM, GPRS, UMTS)

33、; an increasing number of UEs also have WLAN capability. In the future, other types of access may be incorporated into UEs (e.g. WiMax). The network selection procedure for 3GPP access is defined in 3GPP specifications; the procedure for Interworked WLAN (I-WLAN) is also defined. There are no specif

34、ications for how the UE should choose non-3GPP access types, however. In some cases, it may be required for the UE to choose a non-3GPP access type either initiated by the HPLMN or the end user or automatically by the UE. The mechanism for doing this has not been defined and so this study will consi

35、der what mechanisms should be in place to cover this. Also, how the UE should behave when there is no preference expressed should be considered. 5 Example Use Cases 5.1 Use Case 1 An operator has a commercial relationship with a 3rdparty content provider that has its own WLAN network that gives acce

36、ss to a server containing specialised content and services (e.g. music download). The operator arranges with the 3rdparty that its subscribers can access the 3rdparty over its WLAN network to complement its own products and services available over GSM/3G. Authentication and authorisation in the WLAN

37、 network is independent of authentication and authorisation in the 3GPP network. Figure 5.1: Use Case 1 UserPLMN3rdPartyContent3GPP Authentication3rdParty AuthenticationCommercialRelationshipWLAN3GPPUnique IDPLMN IDTemporaryPermanentETSI ETSI TR 122 912 V13.0.0 (2016-01)73GPP TR 22.912 version 13.0.

38、0 Release 13The connection to the 3rdParty is temporary while the content or other service is delivered. The UE remains registered on the PLMN while also connected to the WLAN access. The facility to set an operator (and user) defined preference for the selection of this WLAN network is required. 5.

39、2 Use Case 2 A corporate customer needs frequent access to the companys data services. In the office it is preferred to use the company WLAN network for speed and convenience of data access; when away from the office, the customer will use 3G access to connect to the office data systems. When in the

40、 office, there are many other WLAN hotspots in the surrounding area and they can also be seen by the users device. The other WLAN hotspots are irrelevant to the user, therefore, an easy method of identifying, and selecting (automatically or manually) the preferred WLAN access is required where it is

41、 available and the preferred operator 3G access otherwise. Figure 5.2: Use Case 2 The connection to the corporate systems could be maintained for a long period, however, the UE should remain registered on the PLMN while also accessing the corporate systems. The facility to set an operator (and user)

42、 defined preference for the selection of the access to the corporate network is required. 5.3 Use Case 3 A customer would like to use his home WLAN while in the house to access services and content over the Internet. While away from home, the customer could use public WLAN access points and/ or 3G f

43、or access to these services. The customer“s home operator (the PNO) could be the provider of the services available over the home WLAN or these could be offered by a 3rdparty with or without a commercial agreement with the home operator The case where the operator offers network-based services such

44、as voice over the home WLAN/ADSL network is out of scope of this work. Authentication and authorisation functions in the WLAN networks are independent of authentication and authorisation in the 3GPP network. PLMNOfficeSystemsWLAN3GPPUserCorporate AuthenticationCorporate IDPLMN IDTemporaryPermanentPL

45、MN3GPP3GPP AuthenticationPLMN IDETSI ETSI TR 122 912 V13.0.0 (2016-01)83GPP TR 22.912 version 13.0.0 Release 13Figure 5.3: Use Case 3 An easy method of selecting (automatically or manually) the home/ public WLAN network or 3G access according to availability is required. The UE should remain registe

46、red on the PLMN while also accessing the services over the home WLAN network. 5.4 Use Case 4 A customer of a 3GPP network operator (the PNO) would like to use a non-3GPP access type to access services if 3GPP access coverage is lost. A secondary, non-3GPP Network Operator (a SNO), with its own WLAN

47、access network is available and can connect to the PNO. In this case, the services continue to be provided by the Core Network of the 3GPP Network Operator via the SNO. A method of switching to the non-3GPP access point is needed. The method must allow return from the non-3GPP access point to 3G acc

48、ess. The method must take into account user and operator preferences. It must be possible to select an operator/service provider through the non-3GPP access point. Need to consider trusted and non-trusted cases. 5.5 Use Case 5 A customer has a UE which is capable of accessing two different non-3GPP

49、RATs. A mechanism is needed to determine which non-3GPP RAT is used when the UE is within coverage of both and wishes to access services. Editors Note: This Use Case may be out of scope 5.6 Use Case 6 An operator has its own WLAN network. The operator would like to give its customers access to this WLAN network to complement its own products and services available over GSM/3G. ETSI ETSI TR 122 912 V13.0.0 (2016-01)93GPP TR 22.912 version 13.0.0 Release 13The facility to set an operator (and user) defined preference for the selection of this WLAN n