MS receives a radio resource control signal including first information used for indicating an uplink component carrier (UCC), UCC being used for transmitting channel state information (CSI) on PUCCH. MS receives second information on PDCCH in a first downlink component carrier (DCC), second information being used for scheduling of a PUSCH in the UCC, the first DCC being one of the plurality of DCCs and corresponding to the UCC. MS transmits CSI on PUCCH in the first UCC, the CSI being for a second DCC, the second DCC being one of the plurality of DCCs. MS transmits uplink data and CSI on PUSCH in the UCC in a case that the PUSCH in the UCC is scheduled by using second information. MS receives ACK/NACK for transmission on PUSCH, ACK/NACK being received on a physical HARQ indicator channel in a same DCC as the first DCC in which second information is received.