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Content for  TR 22.989  Word version:  19.2.0

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10  Performance support applications related use casesp. 222

11  Business support applications related use casesp. 222

12  FRMCS System principles related use casesp. 223

12.1  FRMCS System principles overviewp. 223

12.2  Area Broadcast Group Communication interworking between GSM-R and FRMCS Usersp. 224

12.3  Location Service interworking between GSM-R and FRMCS Usersp. 225

12.4  Presence interworking between GSM-R and FRMCS Usersp. 226

12.5  Point to Point communication between GSM-R and FRMCS Usersp. 227

12.6  Interworking with legacy systems including LMRp. 227

12.7  Use case: Builds stable positioning framework for FRMCS services and devices including trainborne and handheld devicesp. 228

12.8  Interworking between GSM-R and FRMCSp. 229

12.9  Use case: Bearer flexibilityp. 232

12.10  Use Case: QoS in a railway environmentp. 237

12.11  Use case: Provide broadband and mission critical services with seamless connectivityp. 248

12.12  Use case: Offer railway services high-quality control functions with real-time train status monitoringp. 249

12.13  Use case: Provide call priority during interworking with LMRp. 250

12.14  Use Case: FRMCS Positioning Accuracyp. 252

12.15  Use Case: FRMCS System security frameworkp. 255

12.16  Use Case: Interworking to external networksp. 258

12.17  Use Case: FRMCS On-network/Off-network communicationp. 262

12.18  Call restriction servicep. 268

12.19  Allocation and isolation of FRMCS communication resourcesp. 268

12.20  FRMCS Equipment capabilities for multiple FRMCS Usersp. 270

12.21  FRMCS System/FRMCS User roaming capabilitiesp. 271

12.22  Use case: Availability - increasing measuresp. 275

12.23  Use case: Flexible use of available contiguous spectrum blocks(s) and related bandwidth(s)p. 276

13  Potential New Requirementsp. 277

14  Conclusion and Recommendationsp. 277

A  Examples of Role managementp. 278

B  Minimum functional and performance requirements for FRMCS from a perspective of Korea LTE-based railway servicesp. 280

C  Applicability to On-network/Off-network communicationp. 284

$  Change historyp. 289


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