Patent ID: 7369492

Claim:
A radio area network control system having a control plane and a bearer plane, comprising: a cell control radio control server in said control plane and configured to control cell specific resources; a plurality of mobile station control radio control servers in said control plane, each mobile station radio control server configured to perform mobile station control of at least one mobile station, said mobile station control including location management of said at least one mobile station and control of an individual radio channel assigned to said at least one mobile station, each mobile station control radio control server configured to transmit respective mobile station control radio control server resource usage conditions to the cell control radio control server; a cell control bearer server in said bearer plane, the cell control bearer server configured to process traffic on a radio common channel based on an instruction from said cell control radio control server; and a plurality of mobile station control radio bearer servers in said bearer plane, each mobile station control radio bearer server configured to process traffic on a corresponding radio individual channel based on an instruction from a corresponding one of said plurality of mobile station control radio control servers, wherein the cell control radio control server is configured to receive the mobile station control radio control server resource usage conditions from the plurality of mobile station control radio control servers, to receive from an individual mobile station a request to allocate or change a radio signaling resource, to select a mobile station control radio control server to serve said individual mobile station based on the mobile station control radio control server resource usage conditions, and to transfer the request to allocate or change a radio signaling resource to the selected mobile station control radio control server.