| 摘要 |
<P>PROBLEM TO BE SOLVED: To control the length of a guard interval to obtain a required minimum SINR even in the case that a frequency is fluctuated. <P>SOLUTION: This OFDM communication apparatus 10 includes an RF/IF/BB unit 11 for receiving a series of symbols, a frequency fluctuation information acquiring unit 21 for obtaining frequency fluctuation information showing an amount of the fluctuation of a frequency of a series of symbol received, and a GI length determining and instructing unit 23 for determining the length of a GI according to frequency fluctuation information acquired from the frequency fluctuation information acquiring unit 21 and instructing the transmitting apparatus to transmit the symbols in the determined GI length. <P>COPYRIGHT: (C)2008,JPO&INPIT |
