Multi-carrier communication method, and base station and mobile station used therefor

The present invention is a multi-carrier communication method for carrying out communication between a mobile station and a base station with the use of a plurality of carrier frequencies within the same area, wherein a reception quality correspondent value of each of the plurality of carrier frequencies in the mobile station is detected, a carrier frequency to be used for communication is determined based on the reception quality correspondent values, so that communication is carried out with the carrier frequency having high reception quality and reception quality can be improved.