Content for TR 22.989 Word version: 19.4.0
7 Performance communication applications related use cases
7.1 Use cases related to transmission of real time video
7.2 Transfer of CCTV archives related use cases
7.3 Use Case: Massive Inter-carriage data transfer
7.5 On-train outgoing voice communication from train staff towards a ground user related use cases
7.6 Real-time video communication (video conferencing) related use cases
7.7 Real-time automatic translation of languages related use cases
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7 Performance communication applications related use cases p. 121
7.1 Use cases related to transmission of real time video p. 121
7.1.1 Introduction p. 121
7.1.2 Use Case: An FRMCS User requesting another FRMCS User to transmit real time video p. 121
7.1.2.1 Description p. 121
7.1.2.2 Pre-conditions p. 121
7.1.2.3 Service flows p. 121
7.1.2.4 Post-conditions p. 121
7.1.2.5 Potential requirements and gap analysis p. 122
7.1.3 Use Case: An FRMCS User receiving a real time video request to transmit real time video p. 122
7.1.3.1 Description p. 122
7.1.3.2 Pre-conditions p. 122
7.1.3.3 Service flows p. 122
7.1.3.4 Post-conditions p. 122
7.1.3.5 Potential requirements and gap analysis p. 123
7.1.4 Use case: An FRMCS User accepting a request to transmit real time video p. 123
7.1.4.1 Description p. 123
7.1.4.2 Pre-conditions p. 123
7.1.4.3 Service flows p. 123
7.1.4.4 Post-conditions p. 123
7.1.4.5 Potential requirements and gap analysis p. 124
7.1.5 Use case: An FRMCS User rejecting a request to transmit real time video p. 124
7.1.5.1 Description p. 124
7.1.5.2 Pre-conditions p. 124
7.1.5.3 Service flows p. 124
7.1.5.4 Post-conditions p. 124
7.1.5.5 Potential requirements and gap analysis p. 125
7.1.6 Use case: An FRMCS User ignoring a request to transmit real time video p. 125
7.1.6.1 Description p. 125
7.1.6.2 Pre-conditions p. 125
7.1.6.3 Service flows p. 125
7.1.6.4 Post-conditions p. 125
7.1.6.5 Potential requirements and gap analysis p. 125
7.2 Transfer of CCTV archives related use cases p. 125
7.2.1 Introduction p. 125
7.2.2 Use Case: Bulk Transfer of CCTV archives from Train to Ground p. 126
7.2.2.1 Description p. 126
7.2.2.2 Pre-conditions p. 129
7.2.2.3 Service flows p. 129
7.2.2.4 Post-conditions p. 129
7.2.2.5 Potential requirements and gap analysis p. 130
7.3 Use Case: Massive Inter-carriage data transfer p. 130
7.3.1 Description p. 130
7.3.2 Pre-conditions p. 130
7.3.3 Service flows p. 130
7.3.4 Post-conditions p. 130
7.3.5 Potential requirements and gap analysis p. 131
7.4 Void
7.5 On-train outgoing voice communication from train staff towards a ground user related use cases p. 131
7.5.1 Introduction p. 131
7.5.2 Use case: Initiation of on-train outgoing voice communication from train staff p. 131
7.5.2.1 Description p. 131
7.5.2.2 Pre-conditions p. 131
7.5.2.3 Service flows p. 131
7.5.2.4 Post-conditions p. 132
7.5.2.5 Potential requirements and gap analysis p. 133
7.5.3 Use case: Termination of on-train outgoing voice communication from train staff p. 133
7.5.3.1 Description p. 133
7.5.3.2 Pre-conditions p. 134
7.5.3.3 Service flows p. 134
7.5.3.4 Post-conditions p. 134
7.5.3.5 Potential requirements and gap analysis p. 135
7.5.4 Use case: Service interworking with GSM-R p. 136
7.5.4.1 Description p. 136
7.5.4.2 Pre-conditions p. 136
7.5.4.3 Service flows p. 136
7.5.4.4 Post-conditions p. 136
7.5.4.5 Potential requirements and gap analysis p. 137
7.6 Real-time video communication (video conferencing) related use cases p. 137
7.6.1 Introduction p. 137
7.6.2 Use case: Initiation of video conference p. 138
7.6.2.1 Description p. 138
7.6.2.2 Pre-conditions p. 138
7.6.2.3 Service flows p. 138
7.6.2.4 Post-conditions p. 138
7.6.2.5 Potential requirements and gap analysis p. 138
7.6.3 Use case: Leave and re-join a video conference p. 138
7.6.3.1 Description p. 138
7.6.3.2 Pre-conditions p. 139
7.6.3.3 Service flows p. 139
7.6.3.4 Post-conditions p. 139
7.6.3.5 Potential requirements and gap analysis p. 139
7.6.4 Void
7.6.5 Use case: Termination of a video conference p. 139
7.6.5.1 Description p. 139
7.6.5.2 Pre-conditions p. 139
7.6.5.3 Service flows p. 139
7.6.5.4 Post-conditions p. 139
7.6.5.5 Potential requirements and gap analysis p. 139
7.6.6 Use case: Changes from a video conference to a voice-only conference p. 140
7.6.6.1 Description p. 140
7.6.6.2 Pre-conditions p. 140
7.6.6.3 Service flows p. 140
7.6.6.4 Post-conditions p. 140
7.6.6.5 Potential requirements and gap analysis p. 140
7.6.7 Use case: Change from a voice-only conference to a video conference p. 141
7.6.7.1 Description p. 141
7.6.7.2 Pre-conditions p. 141
7.6.7.3 Service flows p. 141
7.6.7.4 Post-conditions p. 141
7.6.7.5 Potential requirements and gap analysis p. 141
7.6.8 Use case: Join an ongoing video conference p. 142
7.6.8.1 Description p. 142
7.6.8.2 Pre-conditions p. 142
7.6.8.3 Service flows p. 142
7.6.8.4 Post-conditions p. 142
7.6.8.5 Potential requirements and gap analysis p. 142
7.7 Real-time automatic translation of languages related use cases p. 142
7.7.1 Introduction p. 142
7.7.2 General overview p. 143
7.7.3 Real-time Speech to Speech (S2S) translation p. 144
7.7.3.1 Description p. 144
7.7.3.2 Pre-conditions p. 144
7.7.3.3 Service flows p. 144
7.7.3.4 Post-conditions p. 144
7.7.3.5 Potential requirements and gap analysis p. 144
7.7.4 Real-time Speech to Text (S2T) translation p. 145
7.7.4.1 Description p. 145
7.7.4.2 Pre-conditions p. 145
7.7.4.3 Service flows p. 145
7.7.4.4 Post-conditions p. 145
7.7.4.5 Potential requirements and gap analysis p. 145
7.7.5 Real-time Text to Speech (T2S) translation p. 146
7.7.5.1 Description p. 146
7.7.5.2 Pre-conditions p. 146
7.7.5.3 Service flows p. 146
7.7.5.4 Post-conditions p. 146
7.7.5.5 Potential requirements and gap analysis p. 146
7.7.6 Real-time Text to Text (T2T) translation p. 146
7.7.6.1 Description p. 146
7.7.6.2 Pre-conditions p. 147
7.7.6.3 Service flows p. 147
7.7.6.4 Post-conditions p. 147
7.7.6.5 Potential requirements and gap analysis p. 147
7.7.7 Service interworking with GSM-R p. 147
