ETSI TS 122 129-2017 Digital cellular telecommunications system (Phase 2+) (GSM) Universal Mobile Telecommunications System (UMTS) LTE Service aspects Handover requirements between.pdf

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1、 ETSI TS 122 129 V14.0.0 (2017-03) Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); LTE; Service aspects; Handover requirements between UTRAN and GERAN or other radio systems (3GPP TS 22.129 version 14.0.0 Release 14) TECHNICAL SPECIFICA

2、TION ETSI ETSI TS 122 129 V14.0.0 (2017-03)13GPP TS 22.129 version 14.0.0 Release 14Reference RTS/TSGS-0122129ve00 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 Associatio

3、n but non lucratif 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 ver

4、sions of the present 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 sp

5、ecific network drive 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 https:/portal.etsi.org/TB/ETSIDeliverableStatus.aspx If you

6、 find errors in the present 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 micr

7、ofilm except as authorized 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 2017. All rights

8、reserved. DECTTM, PLUGTESTSTM, 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 owne

9、d by the GSM Association. ETSI ETSI TS 122 129 V14.0.0 (2017-03)23GPP TS 22.129 version 14.0.0 Release 14Intellectual 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 publicl

10、y available for ETSI members 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 We

11、b server (https:/ipr.etsi.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

12、 become, essential to the present document. Foreword 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. The cross reference betwe

13、en 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 as described in clause 3.2

14、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 TS 122 129 V14.0.0 (2017-03)33GPP TS 22.129 version 14.0.0 Release 14Contents Intellectual Property Rights 2g3Foreword

15、 . 2g3Modal verbs terminology 2g3Foreword . 5g31 Scope 6g31.1 Situations in which Service Requirements apply . 6g32 References 7g33 Definitions and Abbreviations 7g33.1 Definitions 7g33.2 Abbreviations . 8g34 General Principles governing service continuity 8g34.0 General Principles for service conti

16、nuity . 8g34.1 Service Continuity Scenarios . 8g34.2 Service Continuity requirements 8g34.2.1 Service continuity for CS 8g34.2.2 Service continuity for GPRS . 9g34.2.3 Service continuity for IM Services . 9g34.3 General Operational Considerations . 9g34.3.1 Coverage environment 9g34.3.2 Inter PLMN H

17、andover Issues . 9g34.3.3 Charging and Network Management 10g34.3.4 Cost and efficiency . 10g34.3.5 Security . 10g34.4 Performance Requirements 10g34.4.1 Temporary degradation of service caused by handover 10g35 Requirements for Handover . 10g35.1 Handover due to UE Movement . 10g35.2 Handover due t

18、o negotiated service requirement . 11g35.3 Handover between Radio Access Modes . 11g35.4 Cell capacity . 11g35.5 Handover of a Multicall . 11g35.6 Access Rights . 11g35.7 Handover for shared networks 11g36 Requirements for Handover from UTRAN to GERAN . 12g36.1 Operational Requirements 12g36.1.2 GER

19、AN bands 12g36.2 Performance Requirements 12g36.2.1 Detection Time of Potential GERAN Handover Candidates 12g36.2.2 Number of GERAN handover candidates to detect 12g36.2.3 Probability of Connection Loss 12g36.3 Specific Requirements for Individual Services from UTRAN to GERAN 13g36.3.1 Speech . 13g3

20、6.3.2 Short Message Service 13g36.3.3 Cell Broadcast . 13g36.3.4 USSD 13g36.3.5 Facsimile . 13g36.3.6 Data Bearer Services . 13g36.3.6.1 Circuit Switched Data . 13g36.3.6.2 Packet Switched Data 13g36.3.7 Supplementary Services 13g36.4 Requirements on multiple bearer services handover from UTRAN to G

21、ERAN 14g37 Requirements for Handover from GERAN to UTRAN . 14g3ETSI ETSI TS 122 129 V14.0.0 (2017-03)43GPP TS 22.129 version 14.0.0 Release 147.1 Operational Requirements 14g37.1.2 GERAN bands 14g37.2 Performance Requirements 14g37.3 Specific Requirements for Individual Service Handover from GERAN t

22、o UTRAN . 14g37.3.1 Speech . 14g37.3.2 Short Message Service 14g37.3.3 Cell Broadcast . 14g37.3.4 USSD 15g37.3.5 Facsimile . 15g37.3.6 Data Bearer Services . 15g37.3.6.1 Circuit Switched Data . 15g37.3.6.2 Packet Switched Data 15g37.3.7 Supplementary services 15g37.4 Requirements on multiple bearer

23、services handover from GERAN to UTRAN 15g38 Cross Phase Compatibility for this release . 15g38.1 Compatibility with Existing Specifications 15g38.2 Compatibility with Future 3GPP specifications . 16g38.2.1 Requirements for Service Capabilities 16g38.2.2 Inter PLMN Handover Issues . 16g38.2.3 Handove

24、r between Environments . 16g38.3 Support of Multicall with Simultaneous Voice Calls . 16g3Annex A (informative): Illustration of elements in inter-PLMN handover 18g3Annex B (informative): Open Points on Inter-Operator Handover 19g3B.2 Selection of Target Cells for Handover 19g3B.3 Network Informatio

25、n Exchange . 19g3B.4 Service Requirements . 19g3B.5 Billing, Accounting and Charging Requirements 19g3Annex C (informative): Change history . 20g3History 22g3ETSI ETSI TS 122 129 V14.0.0 (2017-03)53GPP TS 22.129 version 14.0.0 Release 14Foreword This Technical Specification (TS) has been produced by

26、 ETSI 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 contents of this TS, it will be re-released by the TSG with an identifying change of release dat

27、e 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 document under change control. y the second digit is incremented for all changes of substance, i.e. technic

28、al enhancements, corrections, updates, etc. z the third digit is incremented when editorial only changes have been incorporated in the specification; ETSI ETSI TS 122 129 V14.0.0 (2017-03)63GPP TS 22.129 version 14.0.0 Release 141 Scope The scope of this document includes service requirements for ha

29、ndover maintaining continuity of service to a wireless terminal as it moves between the radio coverage area, or “cells“, associated with different base station sites. This functionality is called “handover“. Handover can also occur due to change of radio resource providing a service without necessar

30、ily any change of the base stations involved. In particular, when the radio resources providing a service change from one of the UTRA radio access modes to the other (UTRA-FDD and UTRA-TDD), this is regarded as handover. Particular emphasis has been placed on the description of requirements for serv

31、ice continuity within UTRAN and between UTRAN and GERAN. It is a key requirement to allow for dual or multi-mode terminals to handover traffic from UTRAN to GERAN and vice versa. This document describes the service requirements for intra- and inter- system handover. The following subject areas are w

32、ithin the scope of these service requirements: - User perceived performance that may be influenced by handover; - Operational requirements relating to handover; - Security requirements. The requirements set forth in this document are service requirements, in that they fulfil the following: - The req

33、uirements are independent of the implementation of the UTRAN; - The extent to which the requirements are met are in principle verifiable using observables that are not internal to the UTRAN. 1.1 Situations in which Service Requirements apply The service requirements in this document are as far as po

34、ssible independent of the implementation. They therefore apply to situations where handover would occur regardless of how the radio access network is implemented. Situations envisaged are: - Handover within UTRAN due to change of radio resource caused by UE movement between areas covered by differen

35、t transmitters; - Handover within UTRAN due to change of UTRA radio access mode; - Handover due to change of radio system. It is possible that handover (i.e. change of radio resource) will occur in other situations, for example the technical implementation of the UTRAN may necessitate it or O - The

36、service requirements for handover occurring in situations such as O the source and destination network addresses need to be specified in each message. Transferred information cannot be guaranteed of ordered delivery. Connectionless bearer services lifetime is reduced to the transport of one message.

37、 GERAN coverage: an area where mobile cellular services are provided by a GERAN in accordance with GERAN specifications. UTRAN coverage: an area where mobile cellular services are provided by a UTRAN in accordance with UTRAN specifications. Multi mode terminal: UE that can obtain service from at lea

38、st one UTRA radio access mode, and one or more different systems such as GERAN bands or possibly other radio systems such IMT-2000 family members. Handover: The process in which the radio access network changes the radio transmitters or radio access mode or radio system used to provide the bearer se

39、rvices, while maintaining a defined bearer service QoS. Intra PLMN handover: Handover within the same network, i.e. having the same MCC-MNC regardless of radio access system. Note: this includes the case of UTRAN GERAN handover where MCC-MNC are the same in both cases. Inter PLMN handover: Handover

40、between different PLMNs, i.e. having different MCC-MNC. Inter system handover: Handover between networks using different radio systems , e.g. UTRAN GERAN. UTRA Radio access mode: the selected UTRA radio access mode i.e. UTRA-FDD; UTRA-TDD. Radio system: the selected 2ndor 3rdgeneration radio access

41、technology. ETSI ETSI TS 122 129 V14.0.0 (2017-03)83GPP TS 22.129 version 14.0.0 Release 14Service Continuity: The means for maintaining active services during changes in the coverage areas or their characteristics without, as far as possible, the user noticing. Note that Service Continuity can be a

42、chieved by handover, cell re-selection or other mechanisms. 3.2 Abbreviations For the purposes of the present document, the following abbreviations apply: UE User equipment 4 General Principles governing service continuity 4.0 General Principles for service continuity The general principles for serv

43、ice continuity described in this specification refer to service continuity within the UTRAN, within the GERAN and between the UTRAN and GERAN. As a principle, the requirements on service continuity characteristics should be according to the target network on which the service is maintained. Service

44、requirements for seamless mobility between multiple heterogeneous access systems beyond only UTRAN and GERAN are contained within TS 22.278 2. 4.1 Service Continuity Scenarios Service continuity shall support the following scenarios: 1. Continuity of active CS services when moving within UTRAN, with

45、in GERAN and between UTRAN and GERAN coverage areas. 2. Continuity of active GPRS sessions when moving within UTRAN, within GERAN and between UTRAN and GERAN coverage areas. 3. Continuity of active IM Services when moving within UTRAN, within GERAN and between UTRAN and GERAN coverage areas (that su

46、pport those IM services). Service continuity is not applicable for any call or session using resources specific to the source domain that cannot be maintained using resources in the target domain. 4.2 Service Continuity requirements For all scenarios, the specifications shall cover both service cont

47、inuity within the same PLMN (intra-PLMN) and between PLMNs (inter-PLMN), including the case where the PLMNs involved are operated by different network operators. It shall be possible for a user to roam between the different parts of a shared network without requiring any user intervention. The user

48、experience while roaming in a shared network shall be comparable to the user experience while roaming in a non-shared network. 4.2.1 Service continuity for CS The scenario numbers in this table refer to the scenarios in section 4.1. ETSI ETSI TS 122 129 V14.0.0 (2017-03)93GPP TS 22.129 version 14.0.

49、0 Release 14To CS services UTRAN GERAN From CS services UTRAN Yes - Scenario 1 Yes - Scenario 1 GERAN Yes Scenario 1 Yes Scenario 1 4.2.2 Service continuity for GPRS Service continuity of GPRS sessions (conversation, streaming, interactive and background) is required within the GERAN, within the UTRAN, and between the UTRAN and GERAN (scenario 2 in section 4.1 above). Note: Service continuity for conversational, streaming and interactive GPRS sessions is not applicable to and from GERAN Release 4 or earlier, due to the lack of support for the conversational, streaming