Content for TR 22.989 Word version: 19.4.0
6.4 Railway emergency communication
6.4.1 Introduction
6.4.2 General overview
6.4.3 Use case: Initiation of the railway emergency alert
6.4.4 Use case: New entry to the railway emergency alert
6.4.5 Use case: Changing of the railway emergency alert
6.4.5a Use case: Merging of Railway Emergency Alerts
6.4.6 Use case: Leaving of the railway emergency alert
6.4.7 Use case: Termination of the railway emergency alert
6.4.8 Use case: Initiation of railway emergency voice communication
6.4.9 Use case: Termination of railway emergency voice communication
6.4.10 Use case: Initiation of Data communication during railway emergency alert
6.4.11 Use case: Service interworking and service continuation with GSM-R
6.4.12 Use case: Interface to train borne recorder
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6.4 Railway emergency communication p. 49
6.4.1 Introduction p. 49
6.4.2 General overview p. 49
6.4.3 Use case: Initiation of the railway emergency alert p. 51
6.4.3.1 Description p. 51
6.4.3.2 Pre-conditions p. 51
6.4.3.3 Service flows p. 51
6.4.3.4 Post-conditions p. 52
6.4.3.5 Potential requirements and gap analysis p. 53
6.4.4 Use case: New entry to the railway emergency alert p. 54
6.4.4.1 Description p. 54
6.4.4.2 Pre-conditions p. 54
6.4.4.3 Service flows p. 54
6.4.4.4 Post-conditions p. 55
6.4.4.5 Potential requirements and gap analysis p. 56
6.4.5 Use case: Changing of the railway emergency alert p. 56
6.4.5.1 Description p. 56
6.4.5.2 Pre-conditions p. 57
6.4.5.3 Service flows p. 57
6.4.5.4 Post-conditions p. 57
6.4.5.5 Potential requirements and gap analysis p. 58
6.4.5a Use case: Merging of Railway Emergency Alerts p. 59
6.4.5a.1 Description p. 59
6.4.5a.2 Pre-conditions p. 59
6.4.5a.3 Service flows p. 59
6.4.5a.4 Post-conditions p. 60
6.4.5a.5 Potential requirements and gap analysis p. 60
6.4.6 Use case: Leaving of the railway emergency alert p. 60
6.4.6.1 Description p. 60
6.4.6.2 Pre-conditions p. 60
6.4.6.3 Service flows p. 60
6.4.6.4 Post-conditions p. 61
6.4.6.5 Potential requirements and gap analysis p. 62
6.4.7 Use case: Termination of the railway emergency alert p. 62
6.4.7.1 Description p. 62
6.4.7.2 Pre-conditions p. 62
6.4.7.3 Service flows p. 62
6.4.7.4 Post-conditions p. 63
6.4.7.5 Potential requirements and gap analysis p. 63
6.4.8 Use case: Initiation of railway emergency voice communication p. 63
6.4.8.1 Description p. 63
6.4.8.2 Pre-conditions p. 63
6.4.8.3 Service flows p. 63
6.4.8.4 Post-conditions p. 64
6.4.8.5 Potential requirements and gap analysis p. 65
6.4.9 Use case: Termination of railway emergency voice communication p. 66
6.4.9.1 Description p. 66
6.4.9.2 Pre-conditions p. 66
6.4.9.3 Service flows p. 66
6.4.9.4 Post-conditions p. 67
6.4.9.5 Potential requirements and gap analysis p. 67
6.4.10 Use case: Initiation of Data communication during railway emergency alert p. 68
6.4.10.1 Description p. 68
6.4.10.2 Pre-conditions p. 68
6.4.10.3 Service flows p. 68
6.4.10.4 Post-conditions p. 68
6.4.10.5 Potential requirements and gap analysis p. 68
6.4.11 Use case: Service interworking and service continuation with GSM-R p. 69
6.4.11.1 Description p. 69
6.4.11.2 Pre-conditions p. 70
6.4.11.3 Service flows p. 70
6.4.11.4 Post-conditions p. 71
6.4.11.5 Potential requirements and gap analysis p. 72
6.4.12 Use case: Interface to train borne recorder p. 74
