Patent ID: 7912476

Claim:
A method of controlling base stations, each base station covering a cell and being assigned a plurality of time slots, each cell defining an inner region and a plurality of outer regions surrounding the inner region, the method comprising: receiving information on path loss from a target terminal disposed in a first cell covered by a first base station, the first cell being surrounded by a plurality of cells covered by base stations different from the first base station; determining a time region for the target terminal based on the path loss information, wherein the first base station has a plurality of time slots assigned to a plurality of terminals located in the first cell, the plurality of time slots including a first time slot associated with an inner region of the first cell and a plurality of second time slots associated with outer regions of the first cell, each second time slot corresponding to a first time slot of an inner region of one of the cells surrounding the first cell; and performing communication with the target terminal within the determined time region.