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TS 22.129 (SA1)
Handover requirements between UTRAN and GERAN or other radio systems

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(P) V14.0.0    2017/03    23 p.
(P) V13.0.0    2015/12    23 p.
(P) V12.0.0    2014/10    23 p.
(P) V11.0.0    2012/09    23 p.
(P) V10.0.0    2011/04    23 p.
(P) V9.0.0    2009/12    23 p.
(P) V8.1.0    2007/12    23 p.
(P) V7.0.0    2006/03    22 p.
(P) V6.1.0    2004/01    22 p.
(P) V5.2.0    2002/07    22 p.
(P) V4.4.0    2002/01    22 p.
(P) V3.6.0    2002/01    21 p.

Rapporteur:  Mr. Bleckert, Peter
See also:  –

The scope of this TS includes service requirements for handover 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 necessarily 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 service 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 TS describes the service requirements for intra- and inter- system handover.


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1 Scope    1.1 Situations in which Service Requirements apply    2 References    3 Definitions and Abbreviations    3.1 Definitions    3.2 Abbreviations    4 General Principles governing service continuity    4.0 General Principles for service continuity    4.1 Service Continuity Scenarios    4.2 Service Continuity requirements    4.3 General Operational Considerations    4.4 Performance Requirements    5 Requirements for Handover    5.1 Handover due to UE Movement    5.2 Handover due to negotiated service requirement    5.3 Handover between Radio Access Modes    5.4 Cell capacity    5.5 Handover of a Multicall    5.6 Access Rights    5.7 Handover for shared networks    6 Requirements for Handover from UTRAN to GERAN    6.1 Operational Requirements    6.2 Performance Requirements    6.3 Specific Requirements for Individual Services from UTRAN to GERAN    6.4 Requirements on multiple bearer services handover from UTRAN to GERAN    7 Requirements for Handover from GERAN to UTRAN    7.1 Operational Requirements    7.2 Performance Requirements    7.3 Specific Requirements for Individual Service Handover from GERAN to UTRAN    7.4 Requirements on multiple bearer services handover from GERAN to UTRAN    8 Cross Phase Compatibility for this release    8.1 Compatibility with Existing Specifications    8.2 Compatibility with Future 3GPP specifications    8.3 Support of Multicall with Simultaneous Voice Calls    A Illustration of elements in inter-PLMN handover    B Open Points on Inter-Operator Handover    B.2 Selection of Target Cells for Handover    B.3 Network Information Exchange    B.4 Service Requirements    B.5 Billing, Accounting and Charging Requirements    C Change history   


1   Scope   PDF-p. 6
2   References   PDF-p. 7
3   Definitions and Abbreviations
4   General Principles governing service continuity
5   Requirements for Handover
6   Requirements for Handover from UTRAN to GERAN   PDF-p. 12
7   Requirements for Handover from GERAN to UTRAN
8   Cross Phase Compatibility for this release
A   Illustration of elements in inter-PLMN handover   PDF-p. 18
B   Open Points on Inter-Operator Handover   PDF-p. 19      Up
C   Change history   PDF-p. 20

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