| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an OFDM signal retransmission device, performing adaptive equalization and retransmission of an OFDM signal from a transmission source. <P>SOLUTION: An OFDM signal retransmission device 10 includes: a frequency domain equalizer unit 1315 for equalizing the input OFDM signal in a frequency domain and converting it into a time domain signal; an OFDM demodulator unit 1923 for performing channel equalization to a frequency domain signal equalized in the frequency domain corresponding to the time domain signal; an equalization coefficient calculator unit 2429 for calculating an equalization coefficient in the frequency domain equalizer unit, from the frequency domain signal being input from the OFDM demodulator unit, and an equalization error signal obtained by using a channel response and a reproduction symbol; and an OFDM symbol extractor unit 16 for extracting an OFDM symbol from the time domain signal obtained by the frequency domain equalizer unit. From the OFDM symbol, the OFDM signal for retransmission is generated. <P>COPYRIGHT: (C)2012,JPO&INPIT |
