Content for TR 22.989 Word version: 20.1.0
6.16 Use cases on data communication for Train Operation System Communication
6.16.1 Introduction
6.16.2 Use case: Train dispatch order data communication between controller and driver
6.16.3 Use case: LOCOTROL information transmission between leading engine and subordinate engine on a multi-headed locomotive
6.16.4 Use case: data communication for security between two approaching trains
6.17 On-train safety device to ground communication
6.18 Train Integrity monitoring data communication
6.19 Use case: Broadcast of public emergency warning information
6.20 Safety related critical advisory messaging
6.21 Automatic Train Protection data communication
6.22 Voice communication transfer related use cases
6.22.1 Introduction
6.22.2 Use case: Transfer of an incoming voice communication
6.22.3 Use case: Transfer of an ongoing voice communication
6.22.4 Use case: Service interworking with GSM-R
6.22.5 Use case: Call forwarding for Ad hoc Group Call
6.23 Virtual Coupling data communication
6.24 Public train emergency communication
6.25 Railway staff emergency communication
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6.16 Use cases on data communication for Train Operation System Communication p. 102
6.16.1 Introduction p. 102
6.16.2 Use case: Train dispatch order data communication between controller and driver p. 102
6.16.2.1 Description p. 102
6.16.2.2 Pre-conditions p. 102
6.16.2.3 Service flows p. 102
6.16.2.4 Post-conditions p. 102
6.16.2.5 Potential requirements and gap analysis p. 102
6.16.3 Use case: LOCOTROL information transmission between leading engine and subordinate engine on a multi-headed locomotive p. 103
6.16.3.1 Description p. 103
6.16.3.2 Pre-conditions p. 103
6.16.3.3 Service flows p. 103
6.16.3.4 Post-conditions p. 103
6.16.3.5 Potential requirements and gap analysis p. 103
6.16.4 Use case: data communication for security between two approaching trains p. 103
6.16.4.1 Description p. 103
6.16.4.2 Pre-conditions p. 103
6.16.4.3 Service flows p. 104
6.16.4.4 Post-conditions p. 104
6.16.4.5 Potential requirements and gap analysis p. 104
6.17 On-train safety device to ground communication p. 104
6.17.1 Introduction p. 104
6.17.2 Use case: Initiation of safety device to ground data communication p. 104
6.17.2.1 Description p. 104
6.17.2.2 Pre-conditions p. 105
6.17.2.3 Service flows p. 105
6.17.2.4 Post-conditions p. 105
6.17.2.5 Potential requirements and gap analysis p. 106
6.18 Train Integrity monitoring data communication p. 107
6.18.1 Introduction p. 107
6.18.2 Use case: Data communication for train integrity information exchange p. 107
6.18.2.1 Description p. 107
6.18.2.2 Pre-conditions p. 107
6.18.2.3 Service flows p. 107
6.18.2.4 Post-conditions p. 108
6.18.2.5 Potential requirements and gap analysis p. 109
6.19 Use case: Broadcast of public emergency warning information p. 109
6.19.1 Introduction p. 109
6.19.2 Description p. 109
6.19.2a Pre-conditions p. 110
6.19.3 Service flows p. 110
6.19.4 Post-conditions p. 110
6.20 Safety related critical advisory messaging p. 111
6.20.1 Introduction p. 111
6.20.2 Use case: Initiation/Termination of safety device to ground data communication p. 111
6.20.2.1 Description p. 111
6.20.2.2 Pre-conditions p. 111
6.20.2.3 Service flows p. 111
6.20.2.4 Post-conditions p. 111
6.20.2.5 Potential requirements and gap analysis p. 112
6.20.3 Use case: Service interworking with GSM-R p. 112
6.21 Automatic Train Protection data communication p. 112
6.21.1 Introduction p. 112
6.21.2 Description p. 113
6.21.3 Use case: Initiation of an Automatic Train Protection data communication p. 113
6.21.3.1 Description p. 113
6.21.3.2 Pre-conditions p. 113
6.21.3.3 Service flows p. 113
6.21.3.4 Post-conditions p. 113
6.21.3.5 Potential requirements and gap analysis p. 114
6.21.4 Use case: Termination of an Automatic Train Protection data communication p. 114
6.21.4.1 Description p. 114
6.21.4.2 Pre-conditions p. 114
6.21.4.3 Service flows p. 114
6.21.4.4 Post-conditions p. 114
6.21.4.5 Potential requirements and gap analysis p. 115
6.22 Voice communication transfer related use cases p. 115
6.22.1 Introduction p. 115
6.22.2 Use case: Transfer of an incoming voice communication p. 115
6.22.2.1 Description p. 115
6.22.2.2 Pre-conditions p. 115
6.22.2.3 Service flows p. 115
6.22.2.4 Post-conditions p. 116
6.22.2.5 Potential requirements and gap analysis p. 116
6.22.3 Use case: Transfer of an ongoing voice communication p. 117
6.22.3.1 Description p. 117
6.22.3.2 Pre-conditions p. 117
6.22.3.3 Service flows p. 117
6.22.3.4 Post-conditions p. 117
6.22.3.5 Potential requirements and gap analysis p. 117
6.22.4 Use case: Service interworking with GSM-R p. 117
6.22.4.1 Description p. 117
6.22.4.2 Pre-conditions p. 117
6.22.4.3 Service flows p. 118
6.22.4.4 Post-conditions p. 118
6.22.4.5 Potential requirements and gap analysis p. 118
6.22.5 Use case: Call forwarding for Ad hoc Group Call p. 118
6.22.5.1 Description p. 118
6.22.5.2 Pre-conditions p. 118
6.22.5.3 Service flows p. 118
6.22.5.4 Post-conditions p. 119
6.22.5.5 Potential requirements and gap analysis p. 120
6.23 Virtual Coupling data communication p. 121
6.23.1 Introduction p. 121
6.23.2 Description p. 121
6.23.3 Use case: Initiation of a Virtual Coupling data communication p. 121
6.23.3.1 Description p. 121
6.23.3.2 Pre-conditions p. 121
6.23.3.3 Service flows p. 121
6.23.3.4 Post-conditions p. 122
6.23.3.5 Potential requirements and gap analysis p. 122
6.23.4 Use case: Termination of a Virtual Coupling data communication p. 122
6.23.4.1 Description p. 122
6.23.4.2 Pre-conditions p. 122
6.23.4.3 Service flows p. 122
6.23.4.4 Post-conditions p. 122
6.23.4.5 Potential requirements and gap analysis p. 123
6.23.5 Use case: Service interworking with GSM-R p. 123
6.23.5.1 Description p. 123
6.24 Public train emergency communication p. 123
6.24.1 Introduction p. 123
6.24.2 General overview p. 123
6.24.3 Use case on Initiation of the Public train emergency alert p. 124
6.24.3.1 Description p. 124
6.24.3.2 Service flows p. 124
6.24.3.3 Potential requirements and gap analysis p. 124
6.24.4 Use case on Initiation of Public train emergency voice communication p. 125
6.24.4.1 Description p. 125
6.24.4.2 Service flows p. 125
6.24.4.3 Potential requirements and gap analysis p. 125
6.24.5 Use case on Service interworking and service continuation with GSM-R p. 126
6.24.5.1 Description p. 126
6.24.5.2 Service flows p. 126
6.24.5.3 Potential requirements and gap analysis p. 126
6.25 Railway staff emergency communication p. 127
6.25.1 Introduction p. 127
6.25.2 General overview p. 127
6.25.3 Use case on Initiation of the railway staff emergency alert p. 128
6.25.3.1 Description p. 128
6.25.3.2 Service flows p. 128
6.25.3.3 Potential requirements and gap analysis p. 128
6.25.4 Use case on New entry to the railway staff emergency alert p. 129
6.25.4.1 Description p. 129
6.25.4.2 Service flows p. 129
6.25.5 Use case on Changing of the railway staff emergency alert p. 130
6.25.5.1 Description p. 130
6.25.5.2 Service flows p. 130
6.25.6 Use case on Merging of Railway Staff Emergency Alerts p. 130
6.25.6.1 Description p. 130
6.25.6.2 Service flows p. 130
6.25.7 Use case on Initiation of railway staff emergency voice communication p. 130
6.25.8 Use case on Service interworking and service continuation with GSM-R p. 131
6.25.8.1 Description p. 131
