5
Functional description and information flows
75
5.1
Control and user planes
75
5.1.0
General
75
5.1.1
Control Plane
75
5.1.1.1
General
75
5.1.1.2
eNodeB - MME
76
5.1.1.3
UE - MME
76
5.1.1.4
SGSN - MME
77
5.1.1.5
SGSN - SGW
77
5.1.1.6
SGW - PGW
78
5.1.1.7
MME - MME
78
5.1.1.8
MME - SGW
79
5.1.1.9
MME - HSS
79
5.1.1.10
MME - EIR
80
5.1.1.11
Void
80
5.1.1.12
MME - CSS
80
5.1.2
User Plane
81
5.1.2.1
UE - PGW user plane with E-UTRAN
81
5.1.2.2
eNodeB - SGW
81
5.1.2.3
UE - PDN GW user plane with 2G access via the S4 interface
82
5.1.2.4
UE - PDN GW user plane with 3G access via the S12 interface
83
5.1.2.5
UE - PDN GW user plane with 3G access via the S4 interface
84
5.2
Identities
84
5.2.1
EPS bearer identity
84
5.2.2
Globally Unique Temporary UE Identity
84
5.2.3
Tracking Area Identity (TAI)
85
5.2.4
eNodeB S1-AP UE Identity (eNodeB S1-AP UE ID)
85
5.2.5
MME S1-AP UE Identity (MME S1-AP UE ID)
85
5.2.6
Closed Subscriber Group ID
85
5.3
Authentication, security and location management
85
5.3.1
IP address allocation
85
5.3.1.1
General
85
5.3.1.2
IP address allocation, renewal and release mechanisms for GTP based S5/S8
88
5.3.1.2.1
IPv4 address allocation via default bearer activation and release via PDN connection release
88
5.3.1.2.2
Allocation, renewal and release of the IPv6 default prefix via IPv6 stateless address autoconfiguration
88
5.3.1.2.3
IPv6 parameter configuration via stateless DHCPv6
89
5.3.1.2.4
IPv4 address allocation, renewal and release and IPv4 parameter configuration via DHCPv4
89
5.3.1.2.5
Void
89
5.3.1.2.6
IPv6 Prefix Delegation via DHCPv6
90
5.3.2
Attach procedure
90
5.3.2.1
E-UTRAN Initial Attach
90
5.3.2.2
UTRAN/GERAN Initial Attach
101
5.3.3
Tracking Area Update procedures
101
5.3.3.0
Triggers for tracking area update
101
5.3.3.0A
Provision of UE's TAI to MME in ECM-CONNECTED state
103
5.3.3.1
Tracking Area Update procedure with Serving GW change
103
5.3.3.2
E-UTRAN Tracking Area Update without SGW Change
110
5.3.3.3
Routing Area Update with MME interaction and without SGW change
117
5.3.3.4
Void
123
5.3.3.5
Void
123
5.3.3.6
Routing Area Update with MME interaction and with SGW change
123
5.3.4
Service Request procedures
130
5.3.4.1
UE triggered Service Request
130
5.3.4.2
Handling of abnormal conditions in UE triggered Service Request
132
5.3.4.3
Network Triggered Service Request
133
5.3.5
S1 release procedure
136
5.3.6
Void
138
5.3.6A
PGW Pause of Charging procedure
138
5.3.7
GUTI Reallocation procedure
140
5.3.8
Detach procedure
140
5.3.8.1
General
140
5.3.8.2
UE-initiated Detach procedure
141
5.3.8.2.1
UE-initiated Detach procedure for E-UTRAN
141
5.3.8.2.2
UE-initiated Detach procedure for GERAN/UTRAN with ISR activated
142
5.3.8.3
MME-initiated Detach procedure
144
5.3.8.3A
SGSN-initiated Detach procedure with ISR activated
145
5.3.8.4
HSS-initiated Detach procedure
147
5.3.9
HSS User Profile management function procedure
149
5.3.9.1
General
149
5.3.9.2
Insert Subscriber Data procedure
149
5.3.9.3
Purge function
150
5.3.10
Security Function
150
5.3.10.1
General
150
5.3.10.2
Authentication and Key Agreement
151
5.3.10.3
User Identity Confidentiality
151
5.3.10.4
User Data and Signalling Confidentiality
151
5.3.10.4.1
AS security mode command procedure
151
5.3.10.4.2
NAS Security Mode Command procedure
151
5.3.10.5
ME identity check procedure
152
5.3.11
UE Reachability procedures
152
5.3.11.1
General
152
5.3.11.2
UE Reachability Notification Request procedure
152
5.3.11.3
UE Activity Notification procedure
153
5.3.12
Update CSG Location Procedure
153
5.3.13
CSS subscription data management function procedure
154
5.3.13.1
General
154
5.3.13.2
Insert CSG Subscriber Data procedure
154
5.3.14
UE Radio Capability Match Request
154
5.4
Session Management, QoS and interaction with PCC functionality
156
5.4.1
Dedicated bearer activation
156
5.4.2
Bearer modification with bearer QoS update
158
5.4.2.1
PDN GW initiated bearer modification with bearer QoS update
158
5.4.2.2
HSS Initiated Subscribed QoS Modification
160
5.4.3
PDN GW initiated bearer modification without bearer QoS update
161
5.4.4
Bearer deactivation
163
5.4.4.1
PDN GW initiated bearer deactivation
163
5.4.4.2
MME Initiated Dedicated Bearer Deactivation
166
5.4.5
UE requested bearer resource modification
167
5.4.6
Void
169
5.5
Handover
169
5.5.1
Intra-E-UTRAN handover
170
5.5.1.1
X2-based handover
170
5.5.1.1.1
General
170
5.5.1.1.2
X2-based handover without Serving GW relocation
170
5.5.1.1.3
X2-based handover with Serving GW relocation
173
5.5.1.2
S1-based handover
175
5.5.1.2.1
General
175
5.5.1.2.2
S1-based handover, normal
176
5.5.1.2.3
S1-based handover, Reject
182
5.5.1.2.4
S1-based handover, Cancel
183
5.5.2
Inter RAT handover
183
5.5.2.0
General
183
5.5.2.1
E-UTRAN to UTRAN Iu mode Inter RAT handover
183
5.5.2.1.1
General
183
5.5.2.1.2
Preparation phase
184
5.5.2.1.3
Execution phase
187
5.5.2.1.4
E-UTRAN to UTRAN Iu mode Inter RAT handover Reject
190
5.5.2.2
UTRAN Iu mode to E-UTRAN Inter RAT handover
190
5.5.2.2.1
General
190
5.5.2.2.2
Preparation phase
191
5.5.2.2.3
Execution phase
194
5.5.2.2.4
UTRAN Iu mode to E-UTRAN Inter RAT handover reject
197
5.5.2.3
E-UTRAN to GERAN A/Gb mode Inter RAT handover
198
5.5.2.3.1
General
198
5.5.2.3.2
Preparation phase
198
5.5.2.3.3
Execution phase
202
5.5.2.3.4
E-UTRAN to GERAN A/Gb mode Inter RAT handover reject
205
5.5.2.4
GERAN A/Gb mode to E-UTRAN Inter RAT handover
206
5.5.2.4.1
General
206
5.5.2.4.2
Preparation phase
207
5.5.2.4.3
Execution phase
210
5.5.2.4.4
GERAN A/Gb mode to E-UTRAN Inter RAT handover reject
212
5.5.2.5
Inter RAT handover Cancel
213
5.5.2.5.1
General
213
5.5.2.5.2
Source RAN to Target RAN Inter RAT handover Cancel
214
5.6
Network Assisted Cell Change
215
5.6.1
Architecture Principles for E-UTRAN to GERAN NACC
215
5.6.2
Void
216
5.7
Information storage
216
5.7.1
HSS
217
5.7.2
MME
219
5.7.3
Serving GW
222
5.7.4
PDN GW
224
5.7.5
UE
226
5.7.6
Handling of Wild Card APN
227
5.7.7
CSS
227
5.7A
Charging
227
5.8
MBMS
228
5.9
Interactions with other services
228
5.9.1
Location Reporting Procedure
228
5.9.2
Location Change Reporting Procedure
229
5.9.2.1
General
229
5.9.2.2
Reporting at Presence Reporting Area entering and leaving
231
5.10
Multiple-PDN support
231
5.10.1
General
231
5.10.2
UE requested PDN connectivity
232
5.10.3
UE or MME requested PDN disconnection
237
5.10.4
MME triggered Serving GW relocation
239
5.11
UE Capability Handling
241
5.11.1
General
241
5.11.2
UE Radio Capability Handling
241
5.11.3
UE Core Network Capability
242
5.12
Warning message delivery
243
5.12.1
General
243
5.12.2
Void
243
5.12.3
Void
243
5.13
Discontinuous Reception and UE Specific DRX Parameter handling
243
5.14
Configuration Transfer procedure
244
5.14.1
Architecture Principles for Configuration Transfer
244
5.14.2
Addressing, routing and relaying
245
5.14.2.1
Addressing
245
5.14.2.2
Routing
245
5.14.2.3
Relaying
245
5.14.2.4
Applications using the Configuration Transfer procedures
245
5.15
RAN Information Management (RIM) procedures
245
5.15.1
General
245
5.15.2
Addressing, routing and relaying
246
5.15.2.1
Addressing
246
5.15.2.2
Routing
246
5.15.2.3
Relaying
246
5.15.3
Applications using the RIM Procedures
246
5.16
MME-initiated procedure on UE's CSG membership change
246
5.17
Home eNodeB Multicast Packet Forwarding Function
246
5.18
HPLMN Notification with specific indication due to MME initiated Bearer removal
247