Content for TR 22.831 Word version: 17.1.0
1 Scope
2 References
3 Definitions, symbols and abbreviations
3.1 Definitions
3.2 Abbreviations
4 Overview
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1 Scope p. 6
The present document concerns the possibility of minimizing service interruption when it occurs. This technical report gathers and analyses scenarios in which interruption to communication service arises to derive potential service requirements out of these scenarios. The study will address applicable local regulatory requirements. Gaps between what can be supported by the 3GPP system and the derived potential service requirements will be identified.
2 References p. 6
The following documents contain provisions which, through reference in this text, constitute provisions of the present document.
- References are either specific (identified by date of publication, edition number, version number, etc.) or non specific.
- For a specific reference, subsequent revisions do not apply.
- For a non-specific reference, the latest version applies. In the case of a reference to a 3GPP document (including a GSM document), a non-specific reference implicitly refers to the latest version of that document in the same Release as the present document.
3 Definitions, symbols and abbreviations p. 6
3.1 Definitions p. 6
For the purposes of the present document, the terms and definitions given in TR 21.905 and the following apply. A term defined in the present document takes precedence over the definition of the same term, if any, in TR 21.905.
Disaster Condition:
This is the condition that a government decides whether it is applicable or not based on, e.g. a natural disaster or a man-made disaster. When this condition applies, users may have the opportunity to mitigate service interruptions and failures.
Disaster Roaming:
This is the special type of roaming service that applies during a Disaster Condition.
Disaster Inbound Roamers:
Users that (a) cannot get service from the PLMN they would normally be served by, due to failure of service during a Disaster Condition, and (b) are able to register with other PLMNs.
3.2 Abbreviations p. 6
4 Overview p. 6
Mobile communication service has become essential part of our society. For example, mobile payment or ride-sharing service cannot work without mobile connectivity. Thus, it is important that users of mobile communication service get their subscribed services without being interrupted.
However, disasters can cause interruption of communication services, e.g.:
- Natural disasters such as earthquake can cause fire or power outage to some radio access network equipment. These in turn lead to abrupt disappearance of cells or no routing among radio access network and core network.
- Human-made disasters such as installation of software with bugs or ill-managed certificate can cause abnormal behaviour of a radio access network. Subscribed UEs of the network cannot exchanges signalling or data.
