1、 ETSI TR 1Digital cellular telecoUniversal Mobile TelMult(3GPP TR 22.9TECHNICAL REPORT 122 936 V13.0.0 (2016communications system (Phaelecommunications System (LTE; ulti-system terminals .936 version 13.0.0 Release 1316-01) hase 2+); (UMTS); 13) ETSI ETSI TR 122 936 V13.0.0 (2016-01)13GPP TR 22.936
2、version 13.0.0 Release 13Reference RTR/TSGS-0122936vd00 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 lucratif enregistre la Sous-Prfecture de Grasse (
3、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 present document shall not be modified without
4、 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 drive within ETSI Secretariat. Users of the
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6、 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 by written permission of ETSI. The content
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8、s 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. ETSI ETSI TR 122 936 V13.0.0 (2016-01)23GPP
9、 TR 22.936 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 members and non-members, and can be found in ETS
10、I 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 Policy, no
11、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. Foreword This Technical R
12、eport (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 references to the corresponding ETSI deliverables
13、. 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“, “can“ and “cannot“ are to be interpreted
14、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 122 936 V13.0.0 (2016-01)33GPP TR 22.936 version 13.0.0 Release 13Contents Intellectual
15、Property Rights 2g3Foreword . 2g3Modal verbs terminology 2g3Foreword . 4g3Introduction 4g31 Scope 5g32 References 5g33 Definitions and abbreviations . 5g33.1 Definitions 5g33.2 Abbreviations . 5g34 Categories of multi system terminals . 6g34.1 Common characteristics . 6g34.2 Category 1 - Manual swit
16、ching 6g34.3 Category 2 - Automatic switching by an overlay function . 6g34.4 Category 3 - Selection method of one system to extended to another 6g34.4.1 Example A, extended PLMN list 6g34.4.2 Example B, extended PRL 6g34.5 Category 4 Multiple systems operational simultaneously . 7g35 Use cases 7g35
17、.1 Roaming cases 7g35.2 Non-roaming cases . 7g36 Considerations for multi system terminals . 7g36.1 General categorization of usage . 7g36.2 Subscription aspects . 8g36.3 MMI aspects . 8g36.4 Charging aspects 8g36.5 Security aspects 8g36.6 Target time to select system . 8g36.7 System preference sett
18、ings . 8g36.8 System selection . 9g36.8.1 Overview 9g36.8.2 Switch-on or recovery from lack of coverage . 9g36.8.3 User reselection 9g36.8.4 System switching 9g37 Conclusion 10g37.1 Overview 10g37.2 General requirements for system selection . 10g3Annex A: Change history 11g3History 12g3ETSI ETSI TR
19、122 936 V13.0.0 (2016-01)43GPP TR 22.936 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 following formal TSG approval. Should
20、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 TSG for approval; 3 or greater in
21、dicates 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 document. Introduction In the past, o
22、perators within a country or a region deployed single system networks and, consequently, users got service from a single system terminal. Multi mode terminals were sometimes deployed to maximise coverage, particularly during times of transition between radio access technologies (e.g. cdma/AMPS), but
23、 the same core network was always used. In the future it is likely that operators will operate more than one system and the core networks will be different. This may happen either through choice or company merger/acquisition. There will be cases where operators have different systems in the same geo
24、graphic area and cases where operators use different systems in different regions. It is also likely that there will be roaming agreements between operators of different systems. Therefore, the market for multi system terminals will increase and consideration is needed in 3GPP if new standardisation
25、 will be required or not. Leaving system selection unspecified could lead to differences between vendor implementations. Whereas this may in itself not be a problem, it needs to be ensured that 3GPP specifications are followed by multi system terminals with 3GPP capability and that no harm to 3GPP n
26、etworks is caused. ETSI ETSI TR 122 936 V13.0.0 (2016-01)53GPP TR 22.936 version 13.0.0 Release 131 Scope The present document studies the behaviour of a multi system terminal that supports both 3GPP and non-3GPP systems. Particular issues handled include, but are not restricted to: Whether the syst
27、em selection or PLMN selection should take higher priority in a multi system terminal. Criteria for system change. Interaction between the users and the operators preferences. Support of automatic and manual system selection mode. Different methods of system selection and their impact on 3GPP specif
28、ications. Some areas for possible standardization, to ensure 3GPP compliance and protection of 3GPP networks. The present document treats non-3GPP networks in a generic way but it applies mainly to the case of 3GPP2/3GPP compliant terminals. 2 References The following documents contain provisions wh
29、ich, 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 specific reference, subsequent revisions do not apply. For a non-specific reference, the
30、 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 document. 1 3GPP TR 21.905: “Vocabulary for 3GPP Specifications“. 2 3GPP TS 22.011:
31、“Service accessibility“. 3 Definitions and abbreviations 3.1 Definitions Multi mode terminal: Terminal which supports multiple access technologies and accesses 3GPP core network (e.g. GSM/UMTS). Multi system terminal: Terminal which supports both the 3GPP system and non-3GPP system(s). Non-3GPP syst
32、em: Mobile telecommunications system, having non-MAP core network, with specifications which are outside the control or influence of 3GPP. 3GPP system: MAP core network and various access networks. 3GPP2 system: IS-41 core network and various cdma access network . Other definitions are given in 3GPP
33、 TR 21.905 1. 3.2 Abbreviations For the purposes of the present document, the following abbreviations apply: PRL Preferred Roaming List ETSI ETSI TR 122 936 V13.0.0 (2016-01)63GPP TR 22.936 version 13.0.0 Release 13GAIT GSM/ANSI-136 Interoperability R-UIM Removable User Interface Module (a 3GPP2 abb
34、reviation) Further abbreviations are given in 3GPP TR 21.905 1. 4 Categories of multi system terminals 4.1 Common characteristics - 3GPP and non-3GPP system(s) in the same terminal. Benefit to the user Increased coverage area. Wider range of services Can use one terminal for both systems. 4.2 Catego
35、ry 1 - Manual switching - The user manually selects system. - Separate 3GPP and non-3GPP identities (e.g. USIM and R-UIM). - When in 3GPP system, terminal does not scan non-3GPP systems and vice versa. 4.3 Category 2 - Automatic switching by an overlay function - When in 3GPP system, terminal scans
36、non-3GPP systems and vice versa. - Terminal does not suspend operation on a system while it scans for the other (i.e. dual transceivers). - Scanning information is passed to an overlay function which decides if to change system. - System is changed by selecting USIM or R-UIM in the case of 3GPP2 dep
37、ending on user and/or operator“s preferences. 4.4 Category 3 - Selection method of one system to extended to another 4.4.1 Example A, extended PLMN list - The 3GPP network selection mechanism could be extended to non-3GPP networks. - Non 3GPP entries (e.g. cdma2000, SSID) could be contained in the 3
38、GPP Preferred PLMN+RAT List. Note 1: Significant work would be needed in 3GPP and GSM-A to allow non-3GPP network information to be contained in the PLMN list. However, one implementation specific solution may be for a dummy entry switch to PRL to be placed in the preferred PLMN list. 4.4.2 Example
39、B, extended PRL - The 3GPP2 network selection mechanism could be extended to non-3GPP2 networks. - GSM/W-CDMA or SSID information could be contained in the 3GPP2 PRL. ETSI ETSI TR 122 936 V13.0.0 (2016-01)73GPP TR 22.936 version 13.0.0 Release 13Note 2: Work is being done in 3GPP2 on this method. 4.
40、5 Category 4 Multiple systems operational simultaneously - User can access the internet directly via WLAN while the terminal is connected to the cellular network at the same time. Note 1: While connected to the 3GPP network, the terminal will follow 3GPP specifications. - 3GPP and 3GPP2 parts of the
41、 terminal may be active at the same time (e.g. for different applications). 5 Use cases 5.1 Roaming cases Example 1: Luke, who has a multi system terminal, uses the services of his 3GPP operator A. While on vacation in another country, the available networks are the 3GPP network of operator B, offer
42、ing very basic 3GPP functionalities, and the non 3GPP network of operator C, offering equivalent services compared to operator A. Ideally, Luke would like his device to select the non-3GPP operator C to be able to take advantage of the similarity of services. If his device selects operator B, Luke c
43、an select operator C manually if he wishes. Example 2: Andrew, who has a multi system terminal, uses the services of his 3GPP operator A. While on vacation in another country, the available networks are the 3GPP network of operator B, offering a wide range of 3GPP functionalities, and the non 3GPP n
44、etwork of operator C, offering equivalent services compared to operators A and B. Ideally, Andrew would like his device to select 3GPP operator B because services should generally work better in the same system (e.g. no transcoding). If his device selects operator C, Andrew can select operator B man
45、ually if he wishes. Example 3: Leia, who has a multi system terminal, uses the services of her 3GPP operator A. While on vacation in another country, the available networks are the 3GPP network of operator B, and the non 3GPP network of operator C. Operator A and C have a commercial alliance. Theref
46、ore, operator A would prefer that the non 3GPP operator C will be selected. Leia can select operator B manually if she wishes. Example 4: Harry, who has a multi system terminal, uses the services of his 3GPP operator A. While on vacation in another country, the available networks are the 3GPP networ
47、k of operator B, and the non 3GPP network of operator C. Operator A and C are in fact owned by the same company. Therefore, operator A would like to be sure that the non 3GPP operator C will be selected. Harry can select operator B manually if he wishes. Note: In the above examples it is assumed tha
48、t there are roaming agreements between operators A, B and C. 5.2 Non-roaming cases Example 5: Ana, who has a multi system terminal, uses the services of operator A. Operator A operates both 3GPP and a non-3GPP system in the same area. Operator A wishes to control when Ana uses each system for reason
49、s of load sharing and to ensure that Ana gets the best possible user experience. Ana can manually select either system. Example 6: Paul, who has a multi system terminal, uses the services of operator A. Operator A operates a 3GPP system. Paul“s terminal is capable of accessing the internet via WLAN (not I-WLAN), e.g. for web browsing and VoIP. Paul has a tariff with operator A that allows him to connect to the internet via WLAN and use the services of an ISP. 6 Considerations for multi system terminals 6.1 General categorization of usage Mu
