Patent ID: 8681892

Claim:
A mobile station comprising: a receiver configured to: select a receiving mode from a plurality of receiving modes including at least a first receiving mode and a second receiving mode; and receive spatially multiplexed signals; and a decoder configured to: in a case of selection of the first receiving mode, demultiplex the received spatially multiplexed signals which include a first signal of the first receiving mode generated from a first code word with a first cyclic redundancy check (CRC) attached thereto and a second signal of the first receiving mode generated from a second code word with a second CRC attached thereto; in a case of selection of the second receiving mode, demultiplex the received spatially multiplexed signals which include a first signal and a second signal of the second receiving mode generated from a first code word with a first CRC attached thereto and a third signal of the second receiving mode generated from a second code word with a second CRC attached thereto; and decode signals demultiplexed in the selected receiver mode.