| 摘要 |
A communication apparatus based on the multi-carrier modulation system may be included in a mobile station or a base station for simultaneous transmission and reception with a simplified structure between the mobile station and base station using in common the same frequency band. A communication apparatus based on a multi-carrier modulation system for simultaneous communications with a plurality of sub-carriers using a plurality of sub-carriers modulated with data respectively, comprising a transmitting unit operable to transmit data with a plurality of sub-carriers by modulating a sub-carrier among the plurality of sub-carriers with data, and operable to use the other sub-carriers a receiving band without modulation with the data.
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