Patent ID: 7756088

Claim:
A radio base station system formed of one master base station, a plurality of slave base stations, and a control device controlling the master base station and the slave base stations, wherein the slave base station includes: frame synchronizing means for synchronizing a frame of said slave base station with a frame of the master base station, and slot setting means for setting, as a reception control slot, a predetermined reception slot in the frame of said slave base station matching in timing with a reception control slot in the frame of the master base station; each of the base stations includes: reception level obtaining means for obtaining a reception level corresponding to a received signal strength of said set reception control slot when a link channel establishment request message is received in said set reception control slot, and traffic channel allocating means for allocating a traffic channel with respect to a mobile station transmitting the link channel establishment request message to predetermined transmission and reception slots in the frame according to a traffic channel allocation instruction; and the control device includes: allocation instructing means for receiving the reception level from each of the base stations, determining the base station of the maximum reception level and transmitting the traffic channel allocation instruction to the determined base station.