Content for TS 38.423 Word version: 17.3.0
9 Elements for XnAP Communication
9.0 General
9.1 Message Functional Definition and Content
9.1.1 Messages for Basic Mobility Procedures
9.1.2 Messages for Dual Connectivity Procedures
9.1.3 Messages for Global Procedures
9.1.4 Messages for IAB Procedures
9.2 Information Element definitions
9.2.0 General
9.2.1 Container and List IE definitions
9.2.2 NG-RAN Node and Cell Configuration related IE definitions
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9 Elements for XnAP Communication p. 108
9.0 General p. 108
9.1 Message Functional Definition and Content p. 108
9.1.1 Messages for Basic Mobility Procedures p. 108
9.1.1.1 HANDOVER REQUEST p. 108
9.1.1.2 HANDOVER REQUEST ACKNOWLEDGE p. 111
9.1.1.3 HANDOVER PREPARATION FAILURE p. 112
9.1.1.4 SN STATUS TRANSFER p. 113
9.1.1.5 UE CONTEXT RELEASE p. 113
9.1.1.6 HANDOVER CANCEL p. 114
9.1.1.7 RAN PAGING p. 114
9.1.1.8 RETRIEVE UE CONTEXT REQUEST p. 115
9.1.1.9 RETRIEVE UE CONTEXT RESPONSE p. 117
9.1.1.10 RETRIEVE UE CONTEXT FAILURE p. 119
9.1.1.11 XN-U ADDRESS INDICATION p. 119
9.1.1.12 HANDOVER SUCCESS |R16| p. 121
9.1.1.13 CONDITIONAL HANDOVER CANCEL |R16| p. 121
9.1.1.14 EARLY STATUS TRANSFER |R16| p. 122
9.1.1.15 RAN MULTICAST GROUP PAGING |R17| p. 124
9.1.1.16 RETRIEVE UE CONTEXT CONFIRM |R17| p. 124
9.1.1.17 PARTIAL UE CONTEXT TRANSFER |R17| p. 125
9.1.1.18 PARTIAL UE CONTEXT TRANSFER ACKNOWLEDGE |R17| p. 125
9.1.1.19 PARTIAL UE CONTEXT TRANSFER FAILURE |R17| p. 126
9.1.2 Messages for Dual Connectivity Procedures p. 126
9.1.2.1 S-NODE ADDITION REQUEST p. 126
9.1.2.2 S-NODE ADDITION REQUEST ACKNOWLEDGE p. 130
9.1.2.3 S-NODE ADDITION REQUEST REJECT p. 132
9.1.2.4 S-NODE RECONFIGURATION COMPLETE p. 132
9.1.2.5 S-NODE MODIFICATION REQUEST p. 133
9.1.2.6 S-NODE MODIFICATION REQUEST ACKNOWLEDGE p. 137
9.1.2.7 S-NODE MODIFICATION REQUEST REJECT p. 140
9.1.2.8 S-NODE MODIFICATION REQUIRED p. 140
9.1.2.9 S-NODE MODIFICATION CONFIRM p. 142
9.1.2.10 S-NODE MODIFICATION REFUSE p. 144
9.1.2.11 S-NODE CHANGE REQUIRED p. 144
9.1.2.12 S-NODE CHANGE CONFIRM p. 146
9.1.2.13 S-NODE CHANGE REFUSE p. 148
9.1.2.14 S-NODE RELEASE REQUEST p. 148
9.1.2.15 S-NODE RELEASE REQUEST ACKNOWLEDGE p. 149
9.1.2.16 S-NODE RELEASE REJECT p. 150
9.1.2.17 S-NODE RELEASE REQUIRED p. 150
9.1.2.18 S-NODE RELEASE CONFIRM p. 150
9.1.2.19 S-NODE COUNTER CHECK REQUEST p. 151
9.1.2.20 RRC TRANSFER p. 152
9.1.2.21 NOTIFICATION CONTROL INDICATION p. 154
9.1.2.22 ACTIVITY NOTIFICATION p. 155
9.1.2.23 E-UTRA - NR CELL RESOURCE COORDINATION REQUEST p. 156
9.1.2.24 E-UTRA - NR CELL RESOURCE COORDINATION RESPONSE p. 157
9.1.2.25 SECONDARY RAT DATA USAGE REPORT p. 158
9.1.2.26 TRACE START |R16| p. 159
9.1.2.27 DEACTIVATE TRACE |R16| p. 159
9.1.2.28 CELL TRAFFIC TRACE |R17| p. 160
9.1.2.29 SCG FAILURE INFORMATION REPORT |R17| p. 160
9.1.2.30 SCG FAILURE TRANSFER |R17| p. 161
9.1.2.31 CONDITIONAL PSCELL CHANGE CANCEL |R17| p. 162
9.1.3 Messages for Global Procedures p. 162
9.1.3.1 XN SETUP REQUEST p. 162
9.1.3.2 XN SETUP RESPONSE p. 164
9.1.3.3 XN SETUP FAILURE p. 166
9.1.3.4 NG-RAN NODE CONFIGURATION UPDATE p. 166
9.1.3.5 NG-RAN NODE CONFIGURATION UPDATE ACKNOWLEDGE p. 169
9.1.3.6 NG-RAN NODE CONFIGURATION UPDATE FAILURE p. 171
9.1.3.7 CELL ACTIVATION REQUEST p. 172
9.1.3.8 CELL ACTIVATION RESPONSE p. 172
9.1.3.9 CELL ACTIVATION FAILURE p. 173
9.1.3.10 RESET REQUEST p. 173
9.1.3.11 RESET RESPONSE p. 174
9.1.3.12 ERROR INDICATION p. 175
9.1.3.13 XN REMOVAL REQUEST p. 175
9.1.3.14 XN REMOVAL RESPONSE p. 175
9.1.3.15 XN REMOVAL FAILURE p. 176
9.1.3.16 FAILURE INDICATION |R16| p. 176
9.1.3.17 HANDOVER REPORT |R16| p. 178
9.1.3.18 RESOURCE STATUS REQUEST |R16| p. 180
9.1.3.19 RESOURCE STATUS RESPONSE |R16| p. 182
9.1.3.20 RESOURCE STATUS FAILURE |R16| p. 182
9.1.3.21 RESOURCE STATUS UPDATE |R16| p. 183
9.1.3.22 MOBILITY CHANGE REQUEST |R16| p. 185
9.1.3.23 MOBILITY CHANGE ACKNOWLEDGE |R16| p. 186
9.1.3.24 MOBILITY CHANGE FAILURE |R16| p. 186
9.1.3.25 ACCESS AND MOBILITY INDICATION |R16| p. 186
9.1.4 Messages for IAB Procedures |R17| p. 187
9.1.4.1 F1-C TRAFFIC TRANSFER p. 187
9.1.4.2 IAB TRANSPORT MIGRATION MANAGEMENT REQUEST p. 188
9.1.4.3 IAB TRANSPORT MIGRATION MANAGEMENT RESPONSE p. 190
9.1.4.3a IAB TRANSPORT MIGRATION MANAGEMENT REJECT p. 192
9.1.4.4 IAB TRANSPORT MIGRATION MODIFICATION REQUEST p. 192
9.1.4.5 IAB TRANSPORT MIGRATION MODIFICATION RESPONSE p. 193
9.1.4.6 IAB RESOURCE COORDINATION REQUEST p. 194
9.1.4.7 IAB RESOURCE COORDINATION RESPONSE p. 195
9.2 Information Element definitions p. 197
9.2.0 General p. 197
9.2.1 Container and List IE definitions p. 197
9.2.1.1 PDU Session Resources To Be Setup List p. 197
9.2.1.2 PDU Session Resources Admitted List p. 199
9.2.1.3 PDU Session Resources Not Admitted List p. 200
9.2.1.4 QoS Flow List with Cause p. 201
9.2.1.4a QoS Flow List p. 201
9.2.1.5 PDU Session Resource Setup Info - SN terminated p. 201
9.2.1.6 PDU Session Resource Setup Response Info - SN terminated p. 203
9.2.1.7 PDU Session Resource Setup Info - MN terminated p. 206
9.2.1.8 PDU Session Resource Setup Response Info - MN terminated p. 208
9.2.1.9 PDU Session Resource Modification Info - SN terminated p. 210
9.2.1.10 PDU Session Resource Modification Response Info - SN terminated p. 213
9.2.1.11 PDU Session Resource Modification Info - MN terminated p. 217
9.2.1.12 PDU Session Resource Modification Response Info - MN terminated p. 221
9.2.1.13 UE Context Information - Retrieve UE Context Response p. 223
9.2.1.14 DRBs Subject To Status Transfer List p. 225
9.2.1.15 DRB to QoS Flow Mapping List p. 227
9.2.1.16 Data Forwarding Info from target NG-RAN node p. 228
9.2.1.17 Data Forwarding and Offloading Info from source NG-RAN node p. 228
9.2.1.18 PDU Session Resource Change Required Info - SN terminated p. 229
9.2.1.19 PDU Session Resource Change Confirm Info - SN terminated p. 229
9.2.1.20 PDU Session Resource Modification Required Info - SN terminated p. 230
9.2.1.21 PDU Session Resource Modification Confirm Info - SN terminated p. 233
9.2.1.22 PDU Session Resource Modification Required Info - MN terminated p. 235
9.2.1.23 PDU Session Resource Modification Confirm Info - MN terminated p. 235
9.2.1.24 PDU Session List with data forwarding request info p. 236
9.2.1.25 PDU Session List with data forwarding info from the target node p. 236
9.2.1.26 PDU Session List with Cause p. 236
9.2.1.27 PDU Session List p. 237
9.2.1.28 DRB List with Cause p. 237
9.2.1.29 DRB List p. 237
9.2.1.30 PDU Session Resource Setup Complete Info - SN terminated p. 238
9.2.1.31 Secondary Data Forwarding Info from target NG-RAN node List p. 238
9.2.1.32 Additional UL NG-U UP TNL Information at UPF List p. 239
9.2.1.33 DAPS Request Information |R16| p. 239
9.2.1.34 DAPS Response Information |R16| p. 239
9.2.1.35 Data Forwarding Info from target E-UTRAN node |R16| p. 240
9.2.1.36 MBS Session Information List |R17| p. 240
9.2.1.37 MBS Session Associated Information |R17| p. 241
9.2.1.38 MBS Session Information Response List |R17| p. 241
9.2.1.39 MBS Mapping and Data Forwarding Request Info from source NG-RAN node |R17| p. 241
9.2.1.40 MBS Data Forwarding Response Info from target NG-RAN node |R17| p. 242
9.2.2 NG-RAN Node and Cell Configuration related IE definitions p. 243
9.2.2.1 Global gNB ID p. 243
9.2.2.2 Global ng-eNB ID p. 243
9.2.2.3 Global NG-RAN Node ID p. 243
9.2.2.4 PLMN Identity p. 243
9.2.2.5 TAC p. 244
9.2.2.6 RAN Area Code p. 244
9.2.2.7 NR CGI p. 244
9.2.2.8 E-UTRA CGI p. 245
9.2.2.9 NG-RAN Cell Identity p. 245
9.2.2.10 NG-RAN Cell PCI p. 245
9.2.2.11 Served Cell Information NR p. 245
9.2.2.12 Served Cell Information E-UTRA p. 250
9.2.2.13 Neighbour Information NR p. 253
9.2.2.14 Neighbour Information E-UTRA p. 254
9.2.2.15 Served Cells To Update NR p. 255
9.2.2.16 Served Cells to Update E-UTRA p. 255
9.2.2.17 Cell Assistance Information NR p. 256
9.2.2.18 SUL Information p. 257
9.2.2.19 NR Frequency Info p. 257
9.2.2.20 NR Transmission Bandwidth p. 258
9.2.2.21 E-UTRA ARFCN p. 259
9.2.2.22 E-UTRA Transmission Bandwidth p. 259
9.2.2.23 Number of Antenna Ports E-UTRA p. 259
9.2.2.24 E-UTRA Multiband Info List p. 260
9.2.2.25 E-UTRA PRACH Configuration p. 260
9.2.2.26 MBSFN Subframe Allocation E-UTRA p. 260
9.2.2.27 Global NG-RAN Cell Identity p. 260
9.2.2.28 Connectivity Support p. 261
9.2.2.29 Protected E-UTRA Resource Indication p. 261
9.2.2.30 Data Traffic Resource Indication p. 263
9.2.2.31 Data Traffic Resources p. 263
9.2.2.32 Reserved Subframe Pattern p. 264
9.2.2.33 MR-DC Resource Coordination Information p. 264
9.2.2.34 E-UTRA Resource Coordination Information p. 265
9.2.2.35 NR Resource Coordination Information p. 267
9.2.2.36 E-UTRA Coordination Assistance Information p. 269
9.2.2.37 NR Coordination Assistance Information p. 269
9.2.2.38 NE-DC TDM Pattern p. 269
9.2.2.39 Interface Instance Indication p. 270
9.2.2.39a Configured TAC Indication p. 270
9.2.2.40 Intended TDD DL-UL Configuration NR |R16| p. 270
9.2.2.41 Cell and Capacity Assistance Information NR |R16| p. 272
9.2.2.42 Cell and Capacity Assistance Information E-UTRA |R16| p. 272
9.2.2.43 Cell Assistance Information E-UTRA |R16| p. 272
9.2.2.44 Maximum Cell List Size |R16| p. 272
9.2.2.45 Message Oversize Notification |R16| p. 273
9.2.2.46 Partial List Indicator |R16| p. 273
9.2.2.47 Offset of NB-IoT Channel Number to EARFCN |R16| p. 273
9.2.2.48 NB-IoT UL DL Alignment Offset |R16| p. 273
9.2.2.49 TNL Capacity Indicator |R16| p. 273
9.2.2.50 Radio Resource Status |R16| p. 274
9.2.2.51 Composite Available Capacity Group |R16| p. 277
9.2.2.52 Composite Available Capacity |R16| p. 277
9.2.2.53 Cell Capacity Class Value |R16| p. 278
9.2.2.54 Capacity Value |R16| p. 278
9.2.2.55 Slice Available Capacity |R16| p. 278
9.2.2.56 RRC Connections |R16| p. 279
9.2.2.57 Number of RRC Connections |R16| p. 279
9.2.2.58 Available RRC Connection Capacity Value |R16| p. 279
9.2.2.63 NR Carrier List |R16| p. 281
9.2.2.64 SSB Positions In Burst |R16| p. 282
9.2.2.65 NID |R16| p. 282
9.2.2.66 CAG-Identifier |R16| p. 282
9.2.2.67 Broadcast NID List |R16| p. 282
9.2.2.68 Broadcast SNPN ID List |R16| p. 283
9.2.2.69 Broadcast CAG-Identifier List |R16| p. 283
9.2.2.70 Broadcast PNI-NPN ID Information |R16| p. 283
9.2.2.71 NPN Broadcast Information |R16| p. 284
9.2.2.72 NPN Support |R16| p. 284
9.2.2.73 Global Cell Identity |R16| p. 284
9.2.2.74 NPRACH Configuration |R16| p. 284
9.2.2.75 SFN Offset |R16| p. 285
9.2.2.76 CHO Configuration |R17| p. 286
9.2.2.77 SSB Offset Information |R17| p. 286
9.2.2.78 SSB Offset Modification Range |R17| p. 287
9.2.2.79 Multiplexing Info |R17| p. 287
9.2.2.80 Traffic Index |R17| p. 288
9.2.2.81 Traffic Profile |R17| p. 288
9.2.2.82 F1-Terminating Topology BH Information |R17| p. 288
9.2.2.83 Non-F1-terminating Topology BH Information |R17| p. 289
9.2.2.84 Traffic To Be Released Information |R17| p. 289
9.2.2.85 IAB TNL Address Request |R17| p. 290
9.2.2.86 IAB TNL Address Response |R17| p. 290
9.2.2.87 BAP Routing ID |R17| p. 291
9.2.2.88 BH RLC Channel ID |R17| p. 291
9.2.2.89 BAP Address |R17| p. 291
9.2.2.90 BAP Path ID |R17| p. 291
9.2.2.91 IAB QoS mapping information |R17| p. 292
9.2.2.92 IAB TNL Address |R17| p. 292
9.2.2.93 IAB TNL Addresses Requested |R17| p. 292
9.2.2.94 IAB Cell Information |R17| p. 293
9.2.2.95 gNB-DU Cell Resource Configuration |R17| p. 295
9.2.2.96 IAB STC Info |R17| p. 297
9.2.2.97 RB Set Configuration |R17| p. 298
9.2.2.98 IAB TNL Address Exception |R17| p. 299
9.2.2.99 BH Info List |R17| p. 299
9.2.2.100 Non-UP traffic |R17| p. 300
9.2.2.101 Local NG-RAN Node Identifier |R17| p. 301
9.2.2.102 Served Cell Specific Info Request |R17| p. 301
