Content for TR 22.989 Word version: 20.2.0
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. 242
11 Business support applications related use cases p. 242
11.1 Charging and Billing information related use cases p. 242
11.1.1 Introduction p. 242
11.1.2 Use case: Obtaining charging and billing information p. 242
11.1.2.1 Description p. 242
11.1.2.2 Pre-conditions p. 243
11.1.2.3 Service flows p. 243
11.1.2.4 Post-conditions p. 243
11.1.2.5 Potential requirements and gap analysis p. 243
12 FRMCS System principles related use cases p. 243
12.1 FRMCS System principles overview p. 243
12.2 Area Broadcast Group Communication interworking between GSM-R and FRMCS Users p. 244
12.2.1 Description p. 244
12.2.2 Pre-condition p. 244
12.2.3 Service flow p. 244
12.2.4 Post-condition p. 245
12.2.5 Potential requirements p. 245
12.3 Location Service interworking between GSM-R and FRMCS Users p. 245
12.3.1 Description p. 245
12.3.2 Pre-condition p. 245
12.3.3 Service flow p. 245
12.3.4 Post-condition p. 246
12.3.5 Potential requirements p. 246
12.4 Presence interworking between GSM-R and FRMCS Users p. 246
12.4.1 Description p. 246
12.4.2 Pre-condition p. 246
12.4.3 Service flow p. 246
12.4.4 Post-condition p. 246
12.4.5 Potential requirements p. 246
12.5 Point to Point communication between GSM-R and FRMCS Users p. 246
12.5.1 Description p. 246
12.5.2 Pre-condition p. 247
12.5.3 Service flow p. 247
12.5.4 Post-condition p. 247
12.5.5 Potential requirements p. 247
12.6 Interworking with legacy systems including LMR p. 247
12.6.1 Description p. 247
12.6.2 Pre-conditions p. 247
12.6.3 Service flows p. 247
12.6.4 Post-conditions p. 248
12.6.5 Potential requirements and gap analysis p. 248
12.7 Use case: Builds stable positioning framework for FRMCS services and devices including trainborne and handheld devices p. 248
12.7.1 Description p. 248
12.7.2 Pre-conditions p. 248
12.7.3 Service flows p. 249
12.7.4 Post-conditions p. 249
12.7.5 Potential requirements and gap analysis p. 249
12.8 Interworking between GSM-R and FRMCS p. 249
12.8.1 Introduction p. 249
12.8.2 Circuit Switched interworking between GSM-R and FRMCS p. 250
12.8.2.1 Description p. 250
12.8.2.2 Pre-conditions p. 250
12.8.2.3 Service flows p. 250
12.8.2.4 Post-conditions p. 250
12.8.2.5 Potential requirements and gap analysis p. 251
12.8.3 Packet Switched interworking between GSM-R and FRMCS p. 251
12.8.3.1 Description p. 251
12.8.3.2 Pre-conditions p. 251
12.8.3.3 Service flows p. 251
12.8.3.4 Post-conditions p. 251
12.8.3.5 Potential requirements and gap analysis p. 252
12.8.4 SMS/SDS interworking between GSM-R and FRMCS p. 252
12.8.4.1 Description p. 252
12.8.4.2 Pre-conditions p. 252
12.8.4.3 Service Flows p. 252
12.8.4.4 Post-conditions p. 252
12.8.4.5 Potential requirements and gap analysis p. 252
12.9 Use case: Bearer flexibility p. 252
12.9.1 Description p. 252
12.9.2 Pre-conditions p. 253
12.9.3 Service flows p. 253
12.9.4 Post-conditions p. 254
12.9.5 Potential requirements and gap analysis p. 256
12.10 Use Case: QoS in a railway environment p. 257
12.10.1 Introduction p. 257
12.10.2 Use case: Allocation of resources meeting the QoS and priority level p. 258
12.10.2.1 Description p. 258
12.10.2.2 Pre-conditions p. 259
12.10.2.3 Service flows p. 259
12.10.2.4 Post-conditions p. 261
12.10.2.5 Potential requirements and gap analysis p. 262
12.10.3 Use case: service interworking and service continuation with GSM-R p. 267
12.10.3.1 Description p. 267
12.10.3.2 Pre-conditions p. 267
12.10.3.3 Service flows p. 267
12.10.3.4 Post-conditions p. 268
12.10.3.5 Potential requirements and gap analysis p. 268
12.11 Use case: Provide broadband and mission critical services with seamless connectivity p. 268
12.11.1 Description p. 268
12.11.2 Pre-conditions p. 268
12.11.3 Service flows p. 268
12.11.4 Post-conditions p. 269
12.11.5 Potential requirements and gap analysis p. 269
12.12 Use case: Offer railway services high-quality control functions with real-time train status monitoring p. 269
12.12.1 Description p. 269
12.12.2 Pre-conditions p. 269
12.12.3 Service flows p. 269
12.12.4 Post-conditions p. 270
12.12.5 Potential requirements and gap analysis p. 270
12.13 Use case: Provide call priority during interworking with LMR p. 270
12.13.1 Description p. 270
12.13.2 Pre-conditions p. 271
12.13.3 Service flows p. 271
12.13.4 Post-conditions p. 271
12.13.5 Potential requirements and gap analysis p. 272
12.14 Use Case: FRMCS Positioning Accuracy p. 272
12.14.1 Introduction p. 272
12.14.2 Use case: FRMCS Positioning Accuracy p. 273
12.14.2.1 Description p. 273
12.14.2.2 Pre-conditions p. 274
12.14.2.3 Service flows p. 274
12.14.2.4 Post-conditions p. 274
12.14.2.5 Potential requirements and gap analysis p. 275
12.15 Use Case: FRMCS System security framework p. 275
12.15.1 Introduction p. 275
12.15.2 Use case: FRMCS System security framework p. 275
12.15.2.1 Description p. 275
12.15.2.2 Pre-conditions p. 276
12.15.2.3 Service flows p. 276
12.15.2.4 Post-conditions p. 276
12.15.2.5 Potential requirements and gap analysis p. 277
12.16 Use Case: Interworking to external networks p. 278
12.16.1 Introduction p. 278
12.16.2.2 Pre-conditions p. 279
12.16.2.3 Service flows p. 279
12.16.2.4 Post-conditions p. 280
12.16.2.5 Potential requirements and gap analysis p. 281
12.17 Use Case: FRMCS On-network/Off-network communication p. 282
12.17.1 Introduction p. 282
12.17.2 Use case: On-network/Off-network communication p. 283
12.17.2.1 Description p. 283
12.17.2.2 Pre-conditions p. 285
12.17.2.3 Service flows p. 285
12.17.2.4 Post-conditions p. 286
12.17.2.5 Potential requirements and gap analysis p. 287
12.18 Call restriction service p. 288
12.18.1 Description p. 288
12.18.2 Pre-conditions p. 288
12.18.3 Service Flows p. 288
12.18.4 Post-conditions p. 288
12.18.5 Potential requirements and gap analysis p. 288
12.19 Allocation and isolation of FRMCS communication resources p. 288
12.19.1 Introduction p. 288
12.19.2 Use case: Isolation of FRMCS communication resources p. 289
12.19.2.1 Description p. 289
12.19.2.2 Pre-conditions p. 289
12.19.2.3 Service flows p. 289
12.19.2.4 Post-conditions p. 289
12.19.2.5 Potential requirements and gap analysis p. 290
12.20 FRMCS Equipment capabilities for multiple FRMCS Users p. 290
12.20.1 Introduction p. 290
12.20.2 Description p. 291
12.20.3 Pre-conditions p. 291
12.20.4 Service flows p. 291
12.20.5 Post-conditions p. 291
12.20.6 Potential requirements and gap analysis p. 291
12.21 FRMCS System/FRMCS User roaming capabilities p. 291
12.21.1 Introduction p. 291
12.21.2 Use case: FRMCS User is relocating towards a Visited (FRMCS) Network p. 292
12.21.2.1 Description p. 292
12.21.2.2 Pre-conditions p. 292
12.21.2.3 Service flows p. 292
12.21.2.4 Post-conditions p. 292
12.21.2.5 Potential requirements and gap analysis p. 293
12.21.3 Use case: Functional Identities in FRMCS Roaming situations p. 293
12.21.3.1 Description p. 293
12.21.3.2 Pre-conditions p. 294
12.21.3.3 Service flows p. 294
12.21.3.4 Post-conditions p. 294
12.21.3.5 Potential requirements and gap analysis p. 295
12.22 Use case: Availability - increasing measures p. 295
12.22.1 Description p. 295
12.22.2 Pre-conditions p. 296
12.22.3 Service flows p. 296
12.22.4 Post-conditions p. 296
12.22.5 Potential requirements and gap analysis p. 296
12.23 Use case: Flexible use of available contiguous spectrum blocks(s) and related bandwidth(s) p. 296
12.23.1 Introduction p. 296
12.23.2 Description p. 297
12.23.3 Pre-conditions p. 297
12.23.4 Service flows p. 297
12.23.5 Post-conditions p. 297
12.23.6 Potential requirements and gap analysis p. 297
13 Potential New Requirements p. 297
14 Conclusion and Recommendations p. 297
A Examples of Role management p. 298
B Minimum functional and performance requirements for FRMCS from a perspective of Korea LTE-based railway services p. 300
C Applicability to On-network/Off-network communication p. 304
$ Change history p. 309
