Patent ID: 8682313

Claim:
A method of coordinating interference between a plurality of cells belonging to different base stations over the air in a cellular system, comprising: coordinating inter-cell interference, the coordinating including: broadcasting interference coordination information from a first cell belonging to a first base station to a second cell around the first cell through a broadcast channel, wherein the second cell belongs to a second base station different from the first base station, wherein the coordinating includes: broadcasting interference coordination information including transmit power information allocated to a RB (Resource Block) of the first cell belonging to the first base station from the first cell to peripheral cells including the second cell through the broadcast channel; and allocating, by the second cell receiving the interference coordination information, transmit power to a RB (Resource Block) of the second cell to reduce interference between the first cell and the second cell by using the transmit power information allocated to the RB of the first cell.