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AssigneeNtt Docomo, Inc.
InventorsWuri Andarmawanti Hapsari, Itsuma Tanaka, Minami Ishii, Alf Zugenmaier
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A method for reporting multi-address information comprises a step wherein each of mobile stations (UE) obtains the positional information relating to the mobile stations (UE) and manages information relating to the obtained positional information, a step for reporting multi-address information provided with an electronic signature to each of the mobile stations (UE), a step wherein each of the mobile stations (UE) verifies the multi-address information by use of the electronic signature provided to the received multi-address information, a step wherein each of the mobile stations (UE), when the verifying is successful, compares positional information contained in the multi-address information with the positional information being managed, and a step wherein each of the mobile stations (UE) performs processing in response to the multi-address information on the basis of the result of comparing.
A broadcast information reporting method for reporting broadcast information to each of a plurality of mobile stations, the method comprising:
A mobile station which performs processing corresponding to broadcast information, comprising:
A certificate authority system which reports broadcast information to a mobile station in a mobile communication system, the system comprising an emergency information transmitter configured to convert location information included in broadcast information received from an emergency information provider system into area identification information in the mobile communication system, then add, as location information in the broadcast information, area identification information identifying areas around the area identified by the converted area identification information, thereafter assign the broadcast information an electronic signature corresponding to the broadcast information, and report the broadcast information to the mobile station.
Dependencies are inferred from the claim text.