To provide a multicarrier communication method, multicarrier communication system and base station used therefor, wherein reception quality can be improved.

The present invention relates to a multicarrier communication method for performing communication between a mobile station and a base station using a plurality of different carrier frequencies within the same area, including detecting reception quality corresponding values of the plurality of carrier frequencies at the mobile station, and determining the carrier frequency to be used for communication based on the reception quality corresponding values. Thus, communication is performed at a carrier frequency of high reception quality and reception quality can be improved.

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