Patent ID: 7940734

Claim:
A mobile communication system having a radio access network including a base station, a control station, and a switch network for matching a mobile station and a core network, the control station comprising: a radio layer 2 traffic signal processor (hereinafter, referred to as a traffic signal processor) connected to the base station, sharing radio resources, and processing traffic calls; a radio layer 2 control signal processor (hereinafter, referred to as a control signal processor) receiving call control service request messages sent from the mobile station through the base station; a call process load controller receiving call control service request messages respectively sent from the mobile station and the core network through the control signal processor, and processing the call control service request messages; and a radio layer 3 call processor (hereinafter, referred to as a call processor) distributing and allocating resources for control and traffic calls to the control signal processor, the traffic signal processor, and the base station in accordance with the call control service request messages processed by the call process load controller, wherein the call process load controller refers to information on a call process volume included in a call process volume report message sent from the call processor and the traffic signal processor, selects a corresponding call processor and a corresponding traffic signal processor according to weight values of the call processor and the traffic signal processor estimated based on software and hardware performance of the call processor and the traffic signal processor, and sends the call control service request message containing information on the selected traffic signal processor to the selected call processor.