Tech-invite3GPPspecsSIPRFCs
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Content for  TR 23.735  Word version:  16.0.0

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The present document studies and evaluates possible enhancements of Public Warning System(ePWS) to address the following objectives:
  • to develop stage 2 specifications to support stage 1 requirements on ePWS as follows
    1. Specify how to support the language-independent contents (e.g. non-text based icon or image mapping to a disaster). In detail, this is to specify how to map the disaster by using symbols or images so that users can recognize the disaster in their screens. (It is a useful scenario for foreigners who do not know languages.)
    2. Specify how to support UEs with no user interface or UEs with a user interface that is incapable of displaying text based warning notification. In detail, there is a specific requirement on UEs with no user interface or UEs with a user interface that can not display a text based warning notification. UEs with no user interface can be IoT device and it was intended that the device performs some dedicated actions when the warning notification is received.
    3. Specify how to support relay functionality for providing warning notification.
  • to develop stage 3 specifications to support stage 1 requirements on ePWS.
No new functionality for US WEA and Japan ETWS will be introduced.
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