| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a radio receiver which can flexibly meet need such as maintain of an error rate characteristic in a high transmission rate and expansion of cell coverage. <P>SOLUTION: A radio receiver comprises: a first subcarrier modulation portion 104 which forms a first subcarrier modulated signal in which a plurality of modulated signals are converted into an area of frequency; a second subcarrier modulation portion 105 which forms a second subcarrier modulated signal in which the plurality of modulated signals are parallel-converted; an IFFT portion 111 which forms an OFDM signal by applying inverse Fourier transformation to the first and second subcarrier modulated signals; and a subcarrier mapping portion 110 which controls allocation of the first and second subcarrier modulated signals to a plurality of subcarriers constituting the OFDM signal. <P>COPYRIGHT: (C)2013,JPO&INPIT |
