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4G核心网LTE信令流程-23401-850.pdf
Foreword
1 Scope
2 References
3 Definitions and abbreviations
3.1 Definitions
3.2 Abbreviations
4 Architecture model and concepts
4.1 General concepts
4.2 Architecture reference model
4.2.1 Non-roaming architecture
4.2.2 Roaming architecture
4.2.3 Reference points
4.2.4 Warning System architecture
4.3 High level functions
4.3.1 General
4.3.2 Network access control functions
4.3.2.1 General
4.3.2.2 Network/Access network selection
4.3.2.3 Authentication and authorisation function
4.3.2.4 Admission control function
4.3.2.5 Policy and Charging Enforcement Function
4.3.2.6 Lawful Interception
4.3.3 Packet routeing and transfer functions
4.3.3.1 General
4.3.3.2 IP header compression function
4.3.3.3 Packet screening function
4.3.4 Security functions
4.3.4.1 Ciphering function
4.3.4.2 Integrity protection function
4.3.5 Mobility management functions
4.3.5.1 General
4.3.5.2 Reachability Management for UE in ECM-IDLE state
4.3.5.3 Tracking Area list management
4.3.5.4 Inter-eNodeB mobility anchor function
4.3.5.5 Inter-3GPP mobility anchor function
4.3.5.6 Idle mode signalling reduction function
4.3.5.7 Mobility Restrictions
4.3.6 Radio Resource Management functions
4.3.7 Network management functions
4.3.7.1 General
4.3.7.2 Load balancing between MMEs
4.3.7.3 Load re-balancing between MMEs
4.3.7.4 MME control of overload
4.3.8 Selection functions
4.3.8.1 PDN GW selection function (3GPP accesses)
4.3.8.2 Serving GW selection function
4.3.8.3 MME selection function
4.3.8.4 SGSN selection function
4.3.8.5 Selection of PCRF
4.3.9 IP network related functions
4.3.9.1 Domain Name Service function
4.3.9.2 DHCP function
4.3.10 Functionality for Connection of eNodeBs to Multiple MMEs
4.3.11 E-UTRAN Sharing Function
4.4 Network elements
4.4.1 E-UTRAN
4.4.2 MME
4.4.3 Gateway
4.4.3.1 General
4.4.3.2 Serving GW
4.4.3.3 PDN GW
4.4.4 SGSN
4.4.5 GERAN
4.4.6 UTRAN
4.4.7 PCRF
4.4.7.1 General
4.4.7.2 Home PCRF (H-PCRF)
4.4.7.3 Visited PCRF (V-PCRF)
4.4.8 PDN GW's associated AAA Server
4.5 Void
4.6 EPS Mobility Management and Connection Management states
4.6.1 General
4.6.2 Definition of main EPS Mobility Management states
4.6.2.1 EMM-DEREGISTERED
4.6.2.2 EMM-REGISTERED
4.6.3 Definition of EPS Connection Management states
4.6.3.1 ECM-IDLE
4.6.3.2 ECM-CONNECTED
4.6.4 State transition and functions
4.7 Overall QoS concept
4.7.1 PDN connectivity service
4.7.2 The EPS bearer
4.7.2.1 The EPS bearer in general
4.7.2.2 The EPS bearer with GTP-based S5/S8
4.7.2.3 The EPS bearer with PMIP-based S5/S8
4.7.3 Bearer level QoS parameters
4.7.4 Support for Application / Service Layer Rate Adaptation
4.7.5 Application of PCC in the Evolved Packet System
5 Functional description and information flows
5.1 Control and user planes
5.1.1 Control Plane
5.1.1.1 General
5.1.1.2 eNodeB - MME
5.1.1.3 UE - MME
5.1.1.4 SGSN - MME
5.1.1.5 SGSN - SGW
5.1.1.6 SGW - PGW
5.1.1.7 MME - MME
5.1.1.8 MME - SGW
5.1.1.9 MME - HSS
5.1.1.10 MME - EIR
5.1.1.11 CBC - eNodeB
5.1.2 User Plane
5.1.2.1 UE - PGW user plane with E-UTRAN
5.1.2.2 eNodeB - SGW
5.1.2.3 UE - PDN GW user plane with 2G access via the S4 interface
5.1.2.4 UE - PDN GW user plane with 3G access via the S12 interface
5.1.2.5 UE - PDN GW user plane with 3G access via the S4 interface
5.2 Identities
5.2.1 EPS bearer identity
5.2.2 Globally Unique Temporary UE Identity
5.2.3 Tracking Area Identity (TAI)
5.2.4 eNodeB S1-AP UE Identity (eNB S1-AP UE ID)
5.2.5 MME S1-AP UE Identity (MME S1-AP UE ID)
5.3 Authentication, security and location management
5.3.1 IP address allocation
5.3.1.1 General
5.3.1.2 IP address allocation, renewal and release mechanisms for GTP based S5/S8
5.3.1.2.1 IPv4 address allocation via default bearer activation and release via PDN connection release
5.3.1.2.2 IPv6 prefix allocation, renewal and release via IPv6 stateless address autoconfiguration
5.3.1.2.3 IPv6 parameter configuration via stateless DHCPv6
5.3.1.2.4 IPv4 address allocation, renewal and release and IPv4 parameter configuration via DHCPv4
5.3.1.2.5 Void
5.3.2 Attach procedure
5.3.2.1 E-UTRAN Initial Attach
5.3.2.2 UTRAN/GERAN Initial Attach
5.3.3 Tracking Area Update procedures
5.3.3.0 Triggers for tracking area update
5.3.3.0A Provision of UE's TAI to MME in ECM-CONNECTED state
5.3.3.1 Tracking Area Update procedure with Serving GW change
5.3.3.2 E-UTRAN Tracking Area Update without SGW Change
5.3.3.3 Routeing Area Update with MME interaction and without SGW change
5.3.3.4 Void
5.3.3.5 Void
5.3.3.6 Routeing Area Update with MME interaction and with SGW change
5.3.4 Service Request procedures
5.3.4.1 UE triggered Service Request
5.3.4.2 Handling of abnormal conditions in UE triggered Service Request
5.3.4.3 Network Triggered Service Request
5.3.5 S1 release procedure
5.3.6 Void
5.3.7 GUTI Reallocation procedure
5.3.8 Detach procedure
5.3.8.1 General
5.3.8.2 UE-initiated Detach procedure
5.3.8.2.1 UE-initiated Detach procedure for E-UTRAN
5.3.8.2.2 UE-initiated Detach procedure for GERAN/UTRAN with ISR activated
5.3.8.3 MME-initiated Detach procedure
5.3.8.3A SGSN-initiated Detach procedure with ISR activated
5.3.8.4 HSS-initiated Detach procedure
5.3.9 HSS User Profile management function procedure
5.3.9.1 General
5.3.9.2 Insert Subscriber Data procedure
5.3.9.3 Purge function
5.3.10 Security Function
5.3.10.1 General
5.3.10.2 Authentication and Key Agreement
5.3.10.3 User Identity Confidentiality
5.3.10.4 User Data and Signalling Confidentiality
5.3.10.4.1 AS security mode command procedure
5.3.10.4.2 NAS Security Mode Command procedure
5.3.10.5 ME identity check procedure
5.3.11 UE Reachability procedures
5.3.11.1 General
5.3.11.2 UE Reachability Notification Request procedure
5.3.11.3 UE Activity Notification procedure
5.4 Session Management, QoS and interaction with PCC functionality
5.4.1 Dedicated bearer activation
5.4.2 Bearer modification with bearer QoS update
5.4.2.1 PDN GW initiated bearer modification with bearer QoS update
5.4.2.2 HSS Initiated Subscribed QoS Modification
5.4.3 PDN GW initiated bearer modification without bearer QoS update
5.4.4 Bearer deactivation
5.4.4.1 PDN GW initiated bearer deactivation
5.4.4.2 MME Initiated Dedicated Bearer Deactivation
5.4.5 UE requested bearer resource modification
5.4.6 Void
5.5 Handover
5.5.1 Intra-E-UTRAN handover
5.5.1.1 X2-based handover
5.5.1.1.1 General
5.5.1.1.2 X2-based handover without Serving GW relocation
5.5.1.1.3 X2-based handover with Serving GW relocation
5.5.1.2 S1-based handover
5.5.1.2.1 General
5.5.1.2.2 S1-based handover, normal
5.5.1.2.3 S1-based handover, Reject
5.5.2 Inter RAT handover
5.5.2.0 General
5.5.2.1 E-UTRAN to UTRAN Iu mode Inter RAT handover
5.5.2.1.1 General
5.5.2.1.2 Preparation phase
5.5.2.1.3 Execution phase
5.5.2.1.4 E-UTRAN to UTRAN Iu mode Inter RAT handover Reject
5.5.2.2 UTRAN Iu mode to E-UTRAN Inter RAT handover
5.5.2.2.1 General
5.5.2.2.2 Preparation phase
5.5.2.2.3 Execution phase
5.5.2.2.4 UTRAN Iu mode to E-UTRAN Inter RAT handover reject
5.5.2.3 E-UTRAN to GERAN A/Gb mode Inter RAT handover
5.5.2.3.1 General
5.5.2.3.2 Preparation phase
5.5.2.3.3 Execution phase
5.5.2.3.4 E-UTRAN to GERAN A/Gb mode Inter RAT handover reject
5.5.2.4 GERAN A/Gb mode to E-UTRAN Inter RAT handover
5.5.2.4.1 General
5.5.2.4.2 Preparation phase
5.5.2.4.3 Execution phase
5.5.2.4.4 GERAN A/Gb mode to E-UTRAN Inter RAT handover reject
5.5.2.5 Inter RAT handover Cancel
5.5.2.5.1 General
5.5.2.5.2 Source RAN to Target RAN Inter RAT handover Cancel
5.6 Network Assisted Cell Change
5.6.1 Architecture Principles for E-UTRAN to GERAN NACC
5.6.2 RAN Information Management (RIM) procedures
5.6.2.1 General
5.6.2.2 Addressing, routeing and relaying
5.6.2.2.1 Addressing
5.6.2.2.2 Routeing
5.6.2.2.3 Relaying
5.6.2.3 Applications using the RIM Procedures
5.7 Information storage
5.7.1 HSS
5.7.2 MME
5.7.3 Serving GW
5.7.4 PDN GW
5.7.5 UE
5.7.6 Handling of Wild Card APN
5.7A Charging
5.8 MBMS
5.9 Interactions with other services
5.9.1 Location Reporting Procedure
5.10 Multiple-PDN support
5.10.1 General
5.10.2 UE requested PDN connectivity
5.10.3 UE or MME requested PDN disconnection
5.11 UE Capability Handling
5.11.1 General
5.11.2 UE Radio Capability Handling
5.11.3 UE Core Network Capability
5.12 Warning message delivery
5.12.1 General
5.12.2 Warning message delivery procedure
5.12.2.1 Send warning message
5.13 Discontinuous Reception and UE Specific DRX Parameter handling
Annex A:Void
Annex B:Void
Annex C:Void
Annex D (normative):Interoperation with Gn/Gp SGSNs
D.1 General Considerations
D.2 Interoperation Scenario
D.2.1 Roaming interoperation scenario
D.2.2 Non-roaming interoperation scenario
D.3 Interoperation procedures
D.3.1 General
D.3.2 Void
D.3.3 MME to 3G SGSN combined hard handover and SRNS relocation procedure
D.3.4 3G SGSN to MME combined hard handover and SRNS relocation procedure
D.3.5 Routeing Area Update
D.3.6 Gn/Gp SGSN to MME Tracking Area Update
D.3.7 E-UTRAN to GERAN A/Gb mode Inter RAT handover
D.3.7.1 General
D.3.7.2 Preparation phase
D.3.7.3 Execution phase
D.3.8 GERAN A/Gb mode to E-UTRAN Inter RAT handover
D.3.8.1 General
D.3.8.2 Preparation phase
D.3.8.3 Execution phase
Annex E (normative):Mapping between EPS and pre-Rel-8 QoS parameters
Annex F (normative):Dedicated bearer activation in combination with the default bearer activation at Attach and UE requested PDN connectivity procedures
Annex G:Void
Annex H (normative):Mapping between temporary and area identities
Annex I (informative):Guidance for contributors to this specification
Annex J (informative):High Level ISR description
J.1 General description of the ISR concept
J.2 Usage of the TIN
J.3 ISR activation
J.4 Downlink data transfer
J.5 ISR deactivation
J.6 Handling of special situations
Annex K (informative):Change history
3GPP TS 23.401 V8.5.0 (2009-03)
Technical Specification
3rd Generation Partnership Project;
Technical Specification Group Services and System Aspects;
General Packet Radio Service (GPRS) enhancements for
Evolved Universal Terrestrial Radio Access Network
(E-UTRAN) access
(Release 8)
The present document has been developed within the 3rd Generation Partnership Project (3GPP TM) and may be further elaborated for the purposes of 3GPP.
The present document has not been subject to any approval process by the 3GPP Organizational Partners and shall not be implemented.
This Specification is provided for future development work within 3GPP only. The Organizational Partners accept no liability for any use of this Specification.
Specifications and reports for implementation of the 3GPP TM system should be obtained via the 3GPP Organizational Partners' Publications Offices.
Release 8
2
3GPP TS 23.401 V8.5.0 (2009-03)
Keywords
LTE, GSM, UMTS, GPRS, architecture, stage 2
3GPP
Postal address
3GPP support office address
650 Route des Lucioles - Sophia Antipolis
Valbonne - FRANCE
Tel.: +33 4 92 94 42 00 Fax: +33 4 93 65 47 16
Internet
http://www.3gpp.org
Copyright Notification
UMTS™ is a Trade Mark of ETSI registered for the benefit of its members
3GPP™ is a Trade Mark of ETSI registered for the benefit of its Members and of the 3GPP Organizational Partners
LTE™ is a Trade Mark of ETSI currently being registered for the benefit of its Members and of the 3GPP Organizational Partners
GSM® and the GSM logo are registered and owned by the GSM Association
No part may be reproduced except as authorized by written permission.
The copyright and the foregoing restriction extend to reproduction in all media.
© 2009, 3GPP Organizational Partners (ARIB, ATIS, CCSA, ETSI, TTA, TTC).
All rights reserved.
3GPP
Release 8
3
3GPP TS 23.401 V8.5.0 (2009-03)
Contents
Foreword ............................................................................................................................................................8
1
Scope........................................................................................................................................................9
References................................................................................................................................................9
2
Definitions and abbreviations.................................................................................................................11
3
3.1
Definitions ....................................................................................................................................................... 11
3.2
Abbreviations................................................................................................................................................... 11
Architecture model and concepts ...........................................................................................................13
4
General concepts.............................................................................................................................................. 13
4.1
4.2
Architecture reference model........................................................................................................................... 13
4.2.1
Non-roaming architecture .......................................................................................................................... 13
4.2.2
Roaming architecture ................................................................................................................................. 14
Reference points......................................................................................................................................... 16
4.2.3
Warning System architecture ..................................................................................................................... 17
4.2.4
High level functions......................................................................................................................................... 17
4.3
4.3.1
General....................................................................................................................................................... 17
4.3.2
Network access control functions............................................................................................................... 18
General ................................................................................................................................................. 18
4.3.2.1
Network/Access network selection....................................................................................................... 18
4.3.2.2
Authentication and authorisation function............................................................................................ 18
4.3.2.3
4.3.2.4
Admission control function .................................................................................................................. 18
4.3.2.5
Policy and Charging Enforcement Function......................................................................................... 18
Lawful Interception .............................................................................................................................. 18
4.3.2.6
Packet routeing and transfer functions ....................................................................................................... 18
4.3.3
General ................................................................................................................................................. 18
4.3.3.1
4.3.3.2
IP header compression function............................................................................................................ 18
4.3.3.3
Packet screening function..................................................................................................................... 19
4.3.4
Security functions....................................................................................................................................... 19
4.3.4.1
Ciphering function................................................................................................................................ 19
Integrity protection function................................................................................................................. 19
4.3.4.2
Mobility management functions................................................................................................................. 19
4.3.5
4.3.5.1
General ................................................................................................................................................. 19
4.3.5.2
Reachability Management for UE in ECM-IDLE state........................................................................ 19
Tracking Area list management............................................................................................................ 20
4.3.5.3
Inter-eNodeB mobility anchor function................................................................................................ 20
4.3.5.4
4.3.5.5
Inter-3GPP mobility anchor function ................................................................................................... 20
4.3.5.6
Idle mode signalling reduction function ............................................................................................... 20
4.3.5.7
Mobility Restrictions ............................................................................................................................ 21
Radio Resource Management functions..................................................................................................... 22
4.3.6
Network management functions................................................................................................................. 22
4.3.7
4.3.7.1
General ................................................................................................................................................. 22
4.3.7.2
Load balancing between MMEs ........................................................................................................... 22
4.3.7.3
Load re-balancing between MMEs....................................................................................................... 22
MME control of overload..................................................................................................................... 23
4.3.7.4
Selection functions..................................................................................................................................... 24
4.3.8
PDN GW selection function (3GPP accesses)...................................................................................... 24
4.3.8.1
4.3.8.2
Serving GW selection function............................................................................................................. 25
4.3.8.3
MME selection function ....................................................................................................................... 25
4.3.8.4
SGSN selection function ...................................................................................................................... 25
Selection of PCRF ................................................................................................................................ 26
4.3.8.5
IP network related functions ...................................................................................................................... 26
4.3.9
4.3.9.1
Domain Name Service function............................................................................................................ 26
4.3.9.2
DHCP function ..................................................................................................................................... 26
Functionality for Connection of eNodeBs to Multiple MMEs................................................................... 26
4.3.10
4.3.11
E-UTRAN Sharing Function...................................................................................................................... 26
4.4
Network elements ............................................................................................................................................ 27
3GPP
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4.4.1
4.4.2
4.4.3
4.4.3.1
4.4.3.2
4.4.3.3
4.4.4
4.4.5
4.4.6
4.4.7
4.4.7.1
4.4.7.2
4.4.7.3
4.4.8
4.5
4.6
4.6.1
4.6.2
4.6.2.1
4.6.2.2
4.6.3
4.6.3.1
4.6.3.2
4.6.4
4.7
4.7.1
4.7.2
4.7.2.1
4.7.2.2
4.7.2.3
4.7.3
4.7.4
4.7.5
5
5.1
5.1.1
5.1.1.1
5.1.1.2
5.1.1.3
5.1.1.4
5.1.1.5
5.1.1.6
5.1.1.7
5.1.1.8
5.1.1.9
5.1.1.10
5.1.1.11
5.1.2
5.1.2.1
5.1.2.2
5.1.2.3
5.1.2.4
5.1.2.5
5.2
5.2.1
5.2.2
5.2.3
5.2.4
5.2.5
5.3
5.3.1
E-UTRAN .................................................................................................................................................. 27
MME .......................................................................................................................................................... 27
Gateway ..................................................................................................................................................... 27
General ................................................................................................................................................. 27
Serving GW.......................................................................................................................................... 28
PDN GW .............................................................................................................................................. 28
SGSN ......................................................................................................................................................... 29
GERAN...................................................................................................................................................... 29
UTRAN...................................................................................................................................................... 29
PCRF.......................................................................................................................................................... 29
General ................................................................................................................................................. 29
Home PCRF (H-PCRF)........................................................................................................................ 30
Visited PCRF (V-PCRF) ...................................................................................................................... 30
PDN GW's associated AAA Server............................................................................................................ 30
Void ................................................................................................................................................................. 30
EPS Mobility Management and Connection Management states .................................................................... 30
General....................................................................................................................................................... 30
Definition of main EPS Mobility Management states................................................................................ 31
EMM-DEREGISTERED...................................................................................................................... 31
EMM-REGISTERED........................................................................................................................... 31
Definition of EPS Connection Management states .................................................................................... 31
ECM-IDLE........................................................................................................................................... 31
ECM-CONNECTED............................................................................................................................ 32
State transition and functions ..................................................................................................................... 33
Overall QoS concept........................................................................................................................................ 34
PDN connectivity service........................................................................................................................... 34
The EPS bearer........................................................................................................................................... 34
The EPS bearer in general .................................................................................................................... 34
The EPS bearer with GTP-based S5/S8................................................................................................ 36
The EPS bearer with PMIP-based S5/S8.............................................................................................. 37
Bearer level QoS parameters...................................................................................................................... 37
Support for Application / Service Layer Rate Adaptation.......................................................................... 38
Application of PCC in the Evolved Packet System.................................................................................... 38
Functional description and information flows........................................................................................39
Control and user planes.................................................................................................................................... 39
Control Plane.............................................................................................................................................. 39
General ................................................................................................................................................. 39
eNodeB - MME .................................................................................................................................... 40
UE - MME............................................................................................................................................ 40
SGSN - MME....................................................................................................................................... 41
SGSN - S-GW ...................................................................................................................................... 41
S-GW - P-GW ...................................................................................................................................... 42
MME - MME........................................................................................................................................ 42
MME - S-GW....................................................................................................................................... 43
MME - HSS.......................................................................................................................................... 43
MME - EIR........................................................................................................................................... 44
CBC - eNodeB...................................................................................................................................... 44
User Plane .................................................................................................................................................. 45
UE - P-GW user plane with E-UTRAN................................................................................................ 45
eNodeB - S-GW ................................................................................................................................... 45
UE - PDN GW user plane with 2G access via the S4 interface............................................................ 46
UE - PDN GW user plane with 3G access via the S12 interface.......................................................... 47
UE - PDN GW user plane with 3G access via the S4 interface............................................................ 48
Identities .......................................................................................................................................................... 48
EPS bearer identity..................................................................................................................................... 48
Globally Unique Temporary UE Identity................................................................................................... 48
Tracking Area Identity (TAI)..................................................................................................................... 49
eNodeB S1-AP UE Identity (eNB S1-AP UE ID) ..................................................................................... 49
MME S1-AP UE Identity (MME S1-AP UE ID)....................................................................................... 49
Authentication, security and location management ......................................................................................... 49
IP address allocation .................................................................................................................................. 49
3GPP
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3GPP TS 23.401 V8.5.0 (2009-03)
5.3.1.1
5.3.1.2
5.3.1.2.1
5.3.1.2.2
5.3.1.2.3
5.3.1.2.4
5.3.1.2.5
5.3.2
5.3.2.1
5.3.2.2
5.3.3
5.3.3.0
5.3.3.0A
5.3.3.1
5.3.3.2
5.3.3.3
5.3.3.4
5.3.3.5
5.3.3.6
5.3.4
5.3.4.1
5.3.4.2
5.3.4.3
5.3.5
5.3.6
5.3.7
5.3.8
5.3.8.1
5.3.8.2
5.3.8.2.1
5.3.8.2.2
5.3.8.3
5.3.8.3A
5.3.8.4
5.3.9
5.3.9.1
5.3.9.2
5.3.9.3
5.3.10
5.3.10.1
5.3.10.2
5.3.10.3
5.3.10.4
5.3.10.4.1
5.3.10.4.2
5.3.10.5
5.3.11
5.3.11.1
5.3.11.2
5.3.11.3
5.4
5.4.1
5.4.2
5.4.2.1
5.4.2.2
5.4.3
5.4.4
5.4.4.1
5.4.4.2
5.4.5
5.4.6
5.5
General ................................................................................................................................................. 49
IP address allocation, renewal and release mechanisms for GTP based S5/S8 .................................... 51
IPv4 address allocation via default bearer activation and release via PDN connection release...... 51
IPv6 prefix allocation, renewal and release via IPv6 stateless address autoconfiguration.............. 52
IPv6 parameter configuration via stateless DHCPv6...................................................................... 52
IPv4 address allocation, renewal and release and IPv4 parameter configuration via DHCPv4 ...... 53
Void ................................................................................................................................................ 53
Attach procedure ........................................................................................................................................ 53
E-UTRAN Initial Attach ...................................................................................................................... 53
UTRAN/GERAN Initial Attach ........................................................................................................... 60
Tracking Area Update procedures.............................................................................................................. 60
Triggers for tracking area update.......................................................................................................... 60
Provision of UE's TAI to MME in ECM-CONNECTED state ............................................................ 61
Tracking Area Update procedure with Serving GW change ................................................................ 61
E-UTRAN Tracking Area Update without S-GW Change................................................................... 65
Routeing Area Update with MME interaction and without S-GW change........................................... 69
Void...................................................................................................................................................... 74
Void...................................................................................................................................................... 74
Routeing Area Update with MME interaction and with S-GW change................................................ 74
Service Request procedures ....................................................................................................................... 79
UE triggered Service Request............................................................................................................... 79
Handling of abnormal conditions in UE triggered Service Request..................................................... 80
Network Triggered Service Request..................................................................................................... 81
S1 release procedure .................................................................................................................................. 83
Void............................................................................................................................................................ 84
GUTI Reallocation procedure .................................................................................................................... 84
Detach procedure ....................................................................................................................................... 84
General ................................................................................................................................................. 84
UE-initiated Detach procedure ............................................................................................................. 85
UE-initiated Detach procedure for E-UTRAN................................................................................ 85
UE-initiated Detach procedure for GERAN/UTRAN with ISR activated...................................... 86
MME-initiated Detach procedure......................................................................................................... 88
SGSN-initiated Detach procedure with ISR activated.......................................................................... 89
HSS-initiated Detach procedure ........................................................................................................... 91
HSS User Profile management function procedure.................................................................................... 92
General ................................................................................................................................................. 92
Insert Subscriber Data procedure.......................................................................................................... 93
Purge function ...................................................................................................................................... 93
Security Function ....................................................................................................................................... 93
General ................................................................................................................................................. 93
Authentication and Key Agreement ..................................................................................................... 94
User Identity Confidentiality ................................................................................................................ 94
User Data and Signalling Confidentiality............................................................................................. 94
AS security mode command procedure .......................................................................................... 94
NAS Security Mode Command procedure ..................................................................................... 94
ME identity check procedure................................................................................................................ 95
UE Reachability procedures....................................................................................................................... 95
General ................................................................................................................................................. 95
UE Reachability Notification Request procedure................................................................................. 96
UE Activity Notification procedure...................................................................................................... 96
Session Management, QoS and interaction with PCC functionality................................................................ 96
Dedicated bearer activation........................................................................................................................ 96
Bearer modification with bearer QoS update ............................................................................................. 98
PDN GW initiated bearer modification with bearer QoS update ............................................................... 98
HSS Initiated Subscribed QoS Modification...................................................................................... 100
PDN GW initiated bearer modification without bearer QoS update ........................................................ 102
Bearer deactivation................................................................................................................................... 103
PDN GW initiated bearer deactivation ............................................................................................... 103
MME Initiated Dedicated Bearer Deactivation .................................................................................. 106
UE requested bearer resource modification ............................................................................................. 107
Void.......................................................................................................................................................... 108
Handover........................................................................................................................................................ 109
3GPP
Release 8
6
3GPP TS 23.401 V8.5.0 (2009-03)
5.5.1
5.5.1.1
5.5.1.1.1
5.5.1.1.2
5.5.1.1.3
5.5.1.2
5.5.1.2.1
5.5.1.2.2
5.5.1.2.3
5.5.2
5.5.2.0
5.5.2.1
5.5.2.1.1
5.5.2.1.2
5.5.2.1.3
5.5.2.1.4
5.5.2.2
5.5.2.2.1
5.5.2.2.2
5.5.2.2.3
5.5.2.2.4
5.5.2.3
5.5.2.3.1
5.5.2.3.2
5.5.2.3.3
5.5.2.3.4
5.5.2.4
5.5.2.4.1
5.5.2.4.2
5.5.2.4.3
5.5.2.4.4
5.5.2.5
5.5.2.5.1
5.5.2.5.2
5.6
5.6.1
5.6.2
5.6.2.1
5.6.2.2
5.6.2.2.1
5.6.2.2.2
5.6.2.2.3
5.6.2.3
5.7
5.7.1
5.7.2
5.7.3
5.7.4
5.7.5
5.7.6
5.7A
5.8
5.9
5.9.1
5.10
5.10.1
5.10.2
5.10.3
5.11
5.11.1
5.11.2
5.11.3
Intra-E-UTRAN handover........................................................................................................................ 109
X2-based handover............................................................................................................................. 109
General.......................................................................................................................................... 109
X2-based handover without Serving GW relocation .................................................................... 109
X2-based handover with Serving GW relocation ......................................................................... 111
S1-based handover.............................................................................................................................. 112
General.......................................................................................................................................... 112
S1-based handover, normal........................................................................................................... 113
S1-based handover, Reject............................................................................................................ 117
Inter RAT handover ................................................................................................................................. 118
General ............................................................................................................................................... 118
E-UTRAN to UTRAN Iu mode Inter RAT handover ........................................................................ 118
General.......................................................................................................................................... 118
Preparation phase.......................................................................................................................... 119
Execution phase ............................................................................................................................ 122
E-UTRAN to UTRAN Iu mode Inter RAT handover Reject........................................................ 124
UTRAN Iu mode to E-UTRAN Inter RAT handover ........................................................................ 125
General.......................................................................................................................................... 125
Preparation phase.......................................................................................................................... 126
Execution phase ............................................................................................................................ 129
UTRAN Iu mode to E-UTRAN Inter RAT handover reject......................................................... 131
E-UTRAN to GERAN A/Gb mode Inter RAT handover................................................................... 132
General.......................................................................................................................................... 132
Preparation phase.......................................................................................................................... 132
Execution phase ............................................................................................................................ 135
E-UTRAN to GERAN A/Gb mode Inter RAT handover reject.................................................... 138
GERAN A/Gb mode to E-UTRAN Inter RAT handover................................................................... 138
General.......................................................................................................................................... 138
Preparation phase.......................................................................................................................... 139
Execution phase ............................................................................................................................ 141
GERAN A/Gb mode to E-UTRAN Inter RAT handover reject.................................................... 143
Inter RAT handover Cancel................................................................................................................ 144
General.......................................................................................................................................... 144
Source RAN to Target RAN Inter RAT handover Cancel............................................................ 144
Network Assisted Cell Change ...................................................................................................................... 145
Architecture Principles for E-UTRAN to GERAN NACC ...................................................................... 145
RAN Information Management (RIM) procedures.................................................................................. 146
General ............................................................................................................................................... 146
Addressing, routeing and relaying...................................................................................................... 146
Addressing .................................................................................................................................... 146
Routeing........................................................................................................................................ 147
Relaying........................................................................................................................................ 147
Applications using the RIM Procedures............................................................................................. 147
Information storage........................................................................................................................................ 147
HSS .......................................................................................................................................................... 147
MME ........................................................................................................................................................ 149
Serving GW.............................................................................................................................................. 150
PDN GW.................................................................................................................................................. 152
UE ............................................................................................................................................................ 154
Handling of Wild Card APN.................................................................................................................... 154
Charging ........................................................................................................................................................ 155
MBMS ........................................................................................................................................................... 155
Interactions with other services ..................................................................................................................... 155
Location Reporting Procedure ................................................................................................................. 155
Multiple-PDN support ................................................................................................................................... 156
General..................................................................................................................................................... 156
UE requested PDN connectivity............................................................................................................... 156
UE or MME requested PDN disconnection ............................................................................................. 161
UE Capability Handling................................................................................................................................. 163
General..................................................................................................................................................... 163
UE Radio Capability Handling ................................................................................................................ 163
UE Core Network Capability ................................................................................................................... 164
3GPP
Release 8
7
3GPP TS 23.401 V8.5.0 (2009-03)
Warning message delivery............................................................................................................................. 164
5.12
General..................................................................................................................................................... 164
5.12.1
Warning message delivery procedure ...................................................................................................... 165
5.12.2
Send warning message........................................................................................................................ 165
5.12.2.1
Discontinuous Reception and UE Specific DRX Parameter handling........................................................... 167
5.13
Void ......................................................................................................................................169
Annex A:
Void ......................................................................................................................................170
Annex B:
Void ......................................................................................................................................171
Annex C:
Interoperation with Gn/Gp SGSNs............................................................172
Annex D (normative):
D.1 General Considerations ........................................................................................................................172
Interoperation Scenario ........................................................................................................................172
D.2
D.2.1
Roaming interoperation scenario ................................................................................................................... 172
D.2.2
Non-roaming interoperation scenario ............................................................................................................ 173
Interoperation procedures.....................................................................................................................173
D.3
D.3.1
General........................................................................................................................................................... 173
D.3.2
Void ............................................................................................................................................................... 173
D.3.3 MME to 3G SGSN combined hard handover and SRNS relocation procedure............................................. 174
D.3.4
3G SGSN to MME combined hard handover and SRNS relocation procedure............................................. 178
Routeing Area Update ................................................................................................................................... 183
D.3.5
Gn/Gp SGSN to MME Tracking Area Update .............................................................................................. 188
D.3.6
E-UTRAN to GERAN A/Gb mode Inter RAT handover .............................................................................. 194
D.3.7
D.3.7.1
General..................................................................................................................................................... 194
D.3.7.2
Preparation phase ..................................................................................................................................... 194
Execution phase ....................................................................................................................................... 197
D.3.7.3
GERAN A/Gb mode to E-UTRAN Inter RAT handover .............................................................................. 199
D.3.8
General..................................................................................................................................................... 199
D.3.8.1
D.3.8.2
Preparation phase ..................................................................................................................................... 200
D.3.8.3
Execution phase ....................................................................................................................................... 202
Mapping between EPS and pre-Rel-8 QoS parameters ...........................205
Annex E (normative):
Dedicated bearer activation in combination with the default bearer
Annex F (normative):
activation at Attach and UE requested PDN connectivity procedures ...207
Void ......................................................................................................................................210
Annex G:
Mapping between temporary and area identities .....................................211
Annex H (normative):
Guidance for contributors to this specification.........................................212
Annex I (informative):
High Level ISR description.........................................................................213
Annex J (informative):
J.1 General description of the ISR concept................................................................................................213
J.2 Usage of the TIN..................................................................................................................................214
J.3
ISR activation.......................................................................................................................................215
J.4 Downlink data transfer.........................................................................................................................216
J.5
ISR deactivation ...................................................................................................................................216
J.6 Handling of special situations ..............................................................................................................216
Change history .............................................................................................218
Annex K (informative):
3GPP
Release 8
8
3GPP TS 23.401 V8.5.0 (2009-03)
Foreword
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 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 indicates TSG approved document under change control.
y
z
the second digit is incremented for all changes of substance, i.e. technical enhancements, corrections, updates, etc.
the third digit is incremented when editorial only changes have been incorporated in the document.
3GPP
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