| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a mobile station device capable of exchanging control information in HARQ by efficiently using radio resources when the base station device communicates with a mobile station device through a wide frequency band by complex use of component carriers, and to provide a communication method and an integrated circuit. <P>SOLUTION: The mobile station device for transmitting information on HARQ to a base station device includes means for controlling physical uplink control channel resources for use to transmit the information on HARQ, on the basis of the number of physical downlink control channels to the mobile station device determined in the mobile station device, and downlink component carriers for transmitting physical downlink shared channels scheduled by the physical downlink control channels. <P>COPYRIGHT: (C)2013,JPO&INPIT |
