| 摘要 |
Provided is a radio communication device which can reduce the affect of CDD channel fluctuation of an interference signal from other cell when using a CDD. In this device, an arrangement unit (105) arranges some of the symbols inputted from a repetition unit (104) in a subcarrier positioned at the top portion of the CDD channel fluctuation of the LD-CDD and arranges the other symbols in a subcarrier at the bottom portion of the CDD channel fluctuation of the LD-CDD. A cyclic delay unit (106-1) and a cyclic delay unit (106-2) supply different cyclic delays to the respective symbols arranged in a plurality of subcarriers among signals inputted from the arrangement unit (105) according to the CDD mode inputted from a transmission parameter control unit (101).
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