Patent ID: 8923242

Claim:
A radio communication system comprising: a base station of a cell, the cell being divided into two areas that are a peripheral area and a center area that includes all of the cell except the peripheral area; and a mobile station which communicates with said base station by using at least one frequency channel, wherein said base station allocates a plurality of different first frequency channels which are available for said mobile station when said mobile station is in the center area of the cell and allocates at least one second frequency channel which is available for said mobile station when said mobile station is in the peripheral area of the cell, wherein said at least one second frequency channel is one of said plurality of different first frequency channels, wherein said plurality of different first frequency channels are used for a transmission during a first time block, and during a second time block which is different from said first time block, only said at least one second frequency channel is used for another transmission, and wherein said first time block and said second time block are different parts of a common transmission frame period.