MOBILE COMMUNICATION SYSTEM, MOBILE COMMUNICATION METHOD, DISTRIBUTION SERVER, RADIO LINE CONTROL STATION, AND MOBILE STATION

摘要

In a mobile communication system, a radio device RNC, Node B transmits report information transmitted from a distribution server (10) to a mobile station UE by using broadcast communication. The distribution server (10) includes a key transmission unit (12) for transmitting a public key of the distribution server (10) to the mobile station UE. The radio device RNC, Node B includes report information transmission units (22, 42, 42A) for transmitting the report information transmitted from the distribution server (10), to the mobile station UE. The mobile station UE includes an authentication unit for authenticating validity of the report information according to a digital signature for the received report information.