Patent ID: 7991004

Claim:
A base station apparatus using a plurality of Physical Resource Blocks (PRBs), into which a plurality of subcarriers consecutive in a frequency domain are divided, the base station apparatus comprising: an allocating unit configured to perform first allocation in which Distributed Virtual Resource Blocks (DVRBs) with the same DVRB number are allocated to a mobile station, the DVRBs with the same DVRB number being mapped to two of the PRBs with a predetermined gap therebetween, and second allocation, in which the PRBs are allocated to the mobile station in units of resource block groups (RBGs), into which the plurality of PRBs are grouped and each of which is a set of a predetermined number of consecutive PRBs; and a transmitting unit configured to transmit data using the PRBs, wherein the predetermined gap is an integer multiple of the predetermined number that is a number of the consecutive PRBs forming one of the RBGs into which the plurality of PRBs are grouped.