A mobile station (MS) receives, from a base station (BS), information which is used to assign a PUSCH resource; transmits uplink control information using a single PUCCH resource in case that the PUSCH resource is not assigned and a plurality of PUCCH resources is assigned; transmits the uplink control information using the PUSCH resource assigned on a first uplink component carrier (UCC) in case that the PUSCH resource is assigned on the first UCC, the first UCC is used for transmitting the uplink control information using the single PUCCH resource in case that the PUSCH resource is not assigned and the plurality of PUCCH resources is assigned; and receives the uplink control information using the PUSCH resource assigned on a second UCC in case that the PUSCH resource is not assigned on the first UCC but the PUSCH resource is assigned on the second UCC.