Content for TR 22.889 Word version: 17.4.0
10 Performance support applications related use cases
11 Business support applications related use cases
12 FRMCS System principles related use cases
13 Potential New Requirements
14 Conclusion and Recommendations
A Examples of Role management
B Minimum functional and performance requirements for FRMCS from a perspective of Korea LTE-based railway services
C Applicability to On-network/Off-network communication
$ Change history
10 Performance support applications related use cases p. 188
11 Business support applications related use cases p. 188
11.1 Charging and Billing information related use cases p. 188
11.1.1 Introduction p. 188
11.1.2 Use case: Obtaining charging and billing information p. 189
11.1.2.1 Description p. 189
11.1.2.2 Pre-conditions p. 189
11.1.2.3 Service flows p. 189
11.1.2.4 Post-conditions p. 189
11.1.2.5 Potential requirements and gap analysis p. 189
12 FRMCS System principles related use cases p. 189
12.1 FRMCS System principles overview p. 189
12.2 Area Broadcast Group Communication interworking between GSM-R and FRMCS Users p. 190
12.2.1 Description p. 190
12.2.2 Pre-condition p. 190
12.2.3 Service flow p. 191
12.2.4 Post-condition p. 191
12.2.5 Potential requirements p. 191
12.3 Location Service interworking between GSM-R and FRMCS Users p. 191
12.3.1 Description p. 191
12.3.2 Pre-condition p. 191
12.3.3 Service flow p. 192
12.3.4 Post-condition p. 192
12.3.5 Potential requirements p. 192
12.4 Presence interworking between GSM-R and FRMCS Users p. 192
12.4.1 Description p. 192
12.4.2 Pre-condition p. 192
12.4.3 Service flow p. 192
12.4.4 Post-condition p. 193
12.4.5 Potential requirements p. 193
12.5 Point to Point communication between GSM-R and FRMCS Users p. 193
12.5.1 Description p. 193
12.5.2 Pre-condition p. 193
12.5.3 Service flow p. 193
12.5.4 Post-condition p. 194
12.5.5 Potential requirements p. 194
12.6 Interworking with legacy systems including LMR p. 194
12.6.1 Description p. 194
12.6.2 Pre-conditions p. 194
12.6.3 Service flows p. 194
12.6.4 Post-conditions p. 195
12.6.5 Potential requirements and gap analysis p. 195
12.7 Use case: Builds stable positioning framework for FRMCS services and devices including trainborne and handheld devices p. 195
12.7.1 Description p. 195
12.7.2 Pre-conditions p. 195
12.7.3 Service flows p. 195
12.7.4 Post-conditions p. 195
12.7.5 Potential requirements and gap analysis p. 196
12.8 Interworking between GSM-R and FRMCS p. 196
12.8.1 Introduction p. 196
12.8.2 Circuit Switched interworking between GSM-R and FRMCS p. 196
12.8.2.1 Description p. 196
12.8.2.2 Pre-conditions p. 197
12.8.2.3 Service flows p. 197
12.8.2.4 Post-conditions p. 197
12.8.2.5 Potential requirements and gap analysis p. 197
12.8.3 Packet Switched interworking between GSM-R and FRMCS p. 197
12.8.3.1 Description p. 197
12.8.3.2 Pre-conditions p. 197
12.8.3.3 Service flows p. 198
12.8.3.4 Post-conditions p. 198
12.8.3.5 Potential requirements and gap analysis p. 198
12.8.4 SMS/SDS interworking between GSM-R and FRMCS p. 198
12.8.4.1 Description p. 198
12.8.4.2 Pre-conditions p. 198
12.8.4.3 Service Flows p. 198
12.8.4.4 Post-conditions p. 198
12.8.4.5 Potential requirements and gap analysis p. 199
12.9 Use case: Bearer flexibility p. 199
12.9.1 Description p. 199
12.9.2 Pre-conditions p. 199
12.9.3 Service flows p. 199
12.9.4 Post-conditions p. 201
12.9.5 Potential requirements and gap analysis p. 202
12.10 Use Case: QoS in a railway environment p. 203
12.10.1 Introduction p. 203
12.10.2 Use case: Quality of Service and railway environment p. 204
12.10.2.1 Description p. 204
12.10.2.2 Pre-conditions p. 204
12.10.2.3 Service flows p. 204
12.10.2.4 Post-conditions p. 207
12.10.2.5 Potential requirements and gap analysis p. 207
12.11 Use case: Provide broadband and mission critical services with seamless connectivity p. 212
12.11.1 Description p. 212
12.11.2 Pre-conditions p. 212
12.11.3 Service flows p. 212
12.11.4 Post-conditions p. 213
12.11.5 Potential requirements and gap analysis p. 213
12.12 Use case: Offer railway services high-quality control functions with real-time train status monitoring p. 213
12.12.1 Description p. 213
12.12.2 Pre-conditions p. 213
12.12.3 Service flows p. 214
12.12.4 Post-conditions p. 214
12.12.5 Potential requirements and gap analysis p. 214
12.13 Use case: Provide call priority during interworking with LMR p. 214
12.13.1 Description p. 214
12.13.2 Pre-conditions p. 215
12.13.3 Service flows p. 215
12.13.4 Post-conditions p. 215
12.13.5 Potential requirements and gap analysis p. 216
12.14 Use Case: FRMCS Positioning Accuracy p. 216
12.14.1 Introduction p. 216
12.14.2 Use case: FRMCS Positioning Accuracy p. 217
12.14.2.1 Description p. 217
12.14.2.2 Pre-conditions p. 218
12.14.2.3 Service flows p. 218
12.14.2.4 Post-conditions p. 219
12.14.2.5 Potential requirements and gap analysis p. 219
12.15 Use Case: FRMCS System security framework p. 219
12.15.1 Introduction p. 219
12.15.2 Use case: FRMCS System security framework p. 220
12.15.2.1 Description p. 220
12.15.2.2 Pre-conditions p. 220
12.15.2.3 Service flows p. 220
12.15.2.4 Post-conditions p. 220
12.15.2.5 Potential requirements and gap analysis p. 221
12.16 Use Case: Interworking to external networks p. 222
12.16.1 Introduction p. 222
12.16.2.2 Pre-conditions p. 223
12.16.2.3 Service flows p. 223
12.16.2.4 Post-conditions p. 224
12.16.2.5 Potential requirements and gap analysis p. 225
12.17 Use Case: FRMCS On-network/Off-network communication p. 226
12.17.1 Introduction p. 226
12.17.2 Use case: On-network/Off-network communication p. 227
12.17.2.1 Description p. 227
12.17.2.2 Pre-conditions p. 229
12.17.2.3 Service flows p. 229
12.17.2.4 Post-conditions p. 230
12.17.2.5 Potential requirements and gap analysis p. 231
12.18 Call restriction service p. 232
12.18.1 Description p. 232
12.18.2 Pre-conditions p. 232
12.18.3 Service Flows p. 232
12.18.4 Post-conditions p. 232
12.18.5 Potential requirements and gap analysis p. 232
12.19 Allocation and isolation of FRMCS communication resources p. 232
12.19.1 Introduction p. 232
12.19.2 Use case: Isolation of FRMCS communication resources p. 233
12.19.2.1 Description p. 233
12.19.2.2 Pre-conditions p. 233
12.19.2.3 Service flows p. 233
12.19.2.4 Post-conditions p. 233
12.19.2.5 Potential requirements and gap analysis p. 234
12.20 FRMCS Equipment capabilities for multiple FRMCS Users p. 234
12.20.1 Introduction p. 234
12.20.2 Description p. 235
12.20.3 Pre-conditions p. 235
12.20.4 Service flows p. 235
12.20.5 Post-conditions p. 235
12.20.6 Potential requirements and gap analysis p. 235
12.21 FRMCS System/FRMCS User roaming capabilities p. 235
12.21.1 Introduction p. 235
12.21.2 Use case: FRMCS User is relocating towards a Visited (FRMCS) Network p. 236
12.21.2.1 Description p. 236
12.21.2.2 Pre-conditions p. 236
12.21.2.3 Service flows p. 236
12.21.2.4 Post-conditions p. 236
12.21.2.5 Potential requirements and gap analysis p. 237
12.21.3 Use case: Functional Identities in FRMCS Roaming situations p. 237
12.21.3.1 Description p. 237
12.21.3.2 Pre-conditions p. 238
12.21.3.3 Service flows p. 238
12.21.3.4 Post-conditions p. 238
12.21.3.5 Potential requirements and gap analysis p. 239
12.22 Use case: Availability - increasing measures p. 239
12.22.1 Description p. 239
12.22.2 Pre-conditions p. 240
12.22.3 Service flows p. 240
12.22.4 Post-conditions p. 240
12.22.5 Potential requirements and gap analysis p. 240
12.23 Use case: Flexible use of available contiguous spectrum blocks(s) and related bandwidth(s) p. 240
12.23.1 Introduction p. 240
12.23.2 Description p. 241
12.23.3 Pre-conditions p. 241
12.23.4 Service flows p. 241
12.23.5 Post-conditions p. 241
12.23.6 Potential requirements and gap analysis p. 241
13 Potential New Requirements p. 241
14 Conclusion and Recommendations p. 241
A Examples of Role management p. 242
B Minimum functional and performance requirements for FRMCS from a perspective of Korea LTE-based railway services p. 244
C Applicability to On-network/Off-network communication p. 248
$ Change history p. 253
