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
-
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.)
-
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.
-
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.
