Patent ID: 6956813

Claim:
A radio communication system in which radio communication is performed between a base station and a mobile station, the base station comprising: first transmitting means for transmitting a first transmitted radio signal to the mobile station; first receiving means for receiving a first received radio signal from the mobile station; and first control means for controlling the first transmitting means and the first receiving means to achieve high-speed communication between the base station and the mobile station, when the mobile station exists in a specific area within a cell to which a basic-frequency channel is assigned, by using at least two basic-frequency channels, each basic-frequency channel having a multi-carrier OFDM signal; and the mobile station comprising: second transmitting means for transmitting a second transmitted radio signal to the base station; second receiving means for receiving a second received radio signal from the base station; and second control means for controlling the second transmitting means and the second receiving means to achieve high-speed communication between the base station and the mobile station by using at least two basic-frequency channels, when the mobile station exists in the specific area, wherein the specific area is an area with a predetermined transmitting power, a predetermined radius between the circumference of the specific area and the border between two adjacent cells, and a predetermined radius for each cell.