Patent ID: 8842655

Claim:
A communication apparatus capable of simultaneously receiving signals from users by a Single Carrier Frequency Division Multiple Access (SC-FDMA) scheme, the communication apparatus comprising: a plurality of antennas; a receiver circuit including a processing unit configured to perform multi-antenna signal processing on a plurality of SC-FDMA signals in a frequency domain, the plurality of SC-FDMA signals being received by the plurality of antennas; and a separating unit that demultiplexes a signal obtained through the multi-antenna signal processing, wherein: the processing unit is further configured to calculate weights for the multi-antenna signal processing, on the basis of minimum unit of resource allocation to the users, and to perform the multi-antenna signal processing in the frequency domain, with the plurality of SC-FDMA signals each still including signals for the plurality of users, the plurality of SC-FDMA signals being received by the plurality of antennas, and the separating unit is configured to demultiplex the signal obtained through the multi-antenna signal processing, based on user allocation information in the SC-FDMA scheme.