RADIO COMMUNICATION SYSTEM

摘要

PURPOSE:To provide a radio communication system capable of preventing the resources of a base station and radio resources from being unjustly used by an illegal radio mobile station. CONSTITUTION:A radio base station is provided with a means (25-1) holding network ID (1a third identification number) of the radio base station, a means (25-2) holding radio base station ID (a first identification number) and a means (25-3) preparing ciphering ID (a second identification number) from network ID and radio base station ID and holding it. This ciphering ID and ciphering ID, which is added to a signal transmitted from the radio mobile station and calculated by the radio mobile station, are compared and when they are not equal, the signal is not received.