Patent ID: 8107434

Claim:
A connection control method for a mobile communication system including at least one radio access station for providing a communication service to a portable subscriber station, and at least one access control router for controlling the radio access station, comprising: relaying, at a radio access station, an initial ranging request message from the portable subscriber station to an access control router; transmitting, at the access control router that has received the initial ranging request message, an initial ranging response message to the radio access station and neighbor radio access stations; relaying, at a radio access station that is currently synchronized with the portable subscriber station and that has received the initial ranging response message, the initial ranging response message to the portable subscriber station; and performing a handoff of the portable subscriber station from the radio access station that has relayed the initial ranging request message to the radio access station that has relayed the initial ranging response message, after the radio access station relays the initial ranging request message, wherein the radio access station that has relayed the initial ranging request message and the radio access station that has relayed the initial ranging response message are different radio access stations.