Patent ID: 8472385

Claim:
A base station for transmitting both common information which is used in common by plural mobile stations and control information indicating that the common information is changed, comprising: a common information generating unit configured to generate the control information and the common information; a lower-layer control information generating unit configured to generate first lower-layer control information indicating a radio resource where the control information is to be placed and second lower-layer control information indicating a radio resource where the common information is to be placed; a multiplexing unit configured to multiplex the first lower-layer control information and the control information into a plurality of frequency blocks included within a system bandwidth and multiplex the second lower-layer control information and the common information into one or more frequency blocks among the plurality of frequency blocks included within the system bandwidth, the system bandwidth being divided into the plurality of frequency blocks each corresponding to a minimum value of maximum transmission and reception bandwidths used by the plural mobile stations; and a transmitting unit configured to transmit the multiplexed first lower-layer control information, control information, second lower-layer control infoimation, and common information.