| 摘要 |
<p>An OFDM reception apparatus which can accurately extract transmission path information from a received signal. The OFDM reception apparatus (100) comprises an FFT unit (1), a division unit (2), an IFFT unit (7), and an LPF unit (8). The FFT unit (1) performs a Fourier transform of a signal received from outside. The division unit (2) divides the pilot signal included in the output signal from the FFT unit (1) by a specified pilot signal and generates a transmission path transfer function in the frequency domain. The IFFT unit (7) performs an inverse Fourier transform of the transmission path transfer function in the frequency domain and generates a transmission path impulse response in the time domain. The LPF unit (8) performs a filtering process to the transmission path impulse response in time domain generated by the IFFT unit (7). The OFDM reception apparatus (100) demodulates the OFDM signal according to the output signal from the LPF unit (8).</p> |
