Patent ID: 8259567

Claim:
A mobile communication system, comprising: a congestion detector configured to detect congestion in processing types in the mobile communication system; and a radio network controller including a broadcast information transmitter configured to transmit, to a mobile station, broadcast information including a restriction indication per processing indicating an existence of a restriction for each of the congested processing types, a restriction indication per access class indicating an existence of a restriction for each of access classes, and a restriction indication per domain indicating an existence of a restriction for each of domains, the mobile station including a broadcast information receiver configured to receive the broadcast information transmitted from the radio network controller; and a processor configured to suppress a specific processing for an exchange, based on a combination of the restriction indication per processing, the restriction indication per access class, and the restriction indication per domain, wherein the restriction indication per processing includes a restriction indication of location registration processing indicating an existence of a restriction for a location registration processing.