| 摘要 |
To reduce interference mutually provided among peripheral cells, and perform data transmission while maintaining total throughput at the maximum level. Provided are an acquiring section ( 105 ) that acquires information of interfering power level that a communication apparatus receives from peripheral cells from a signal received from the communication apparatus, a determining section ( 106 ) that determines the number of subcarriers to use in data transmission corresponding to the information of interfering power level, and a modulation scheme determining section ( 107 ) that determines a modulation scheme for each of the subcarriers to use in data transmission corresponding to the information of interfering power level, and a radio signal is transmitted to the communication apparatus using the modulation scheme determined in the modulation scheme determining section ( 107 ) and the number of subcarriers determined in the determining section ( 106 ).
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