Patent ID: 7701906

Claim:
A mobile station comprising: a data signal reception section configured to receive a data signal transmitted from a predetermined one of a plurality of base stations through a first channel, wherein said first channel is a channel that the predetermined one of the plurality of base stations uses to transmit data to a plurality of mobile stations; a control signal reception section configured to receive a plurality of control signals transmitted from the plurality of base stations through a second channel that the plurality of base stations use to transmit data exclusively to the mobile station; and a reception quality information transmission section configured to identify a control signal from the plurality of control signals, the identified control signal corresponding to the predetermined one of the plurality of base stations which already transmits a data signal through the first channel, and to transmit reception quality information to only the predetermined one of the plurality of base stations, in which the reception quality information informs the predetermined one of the plurality of base stations of a reception quality of the identified control signal and enables the predetermined one of the plurality of base stations to perform transmission control of the data signal transmitted through said first channel based on the reception quality information.