Patent ID: 7006430

Claim:
A receiver comprising: a receiving section which receives a resultant signal obtained by transmitting a transmission signal obtained by modulating a signal including a known signal and a data signal successively, and outputs the received resultant signal as a received signal; an estimation section which estimates transmission path characteristics; a compensation section which compensates for a portion of the received signal which corresponds to the data signal, and outputs the compensated signal as a compensated data signal; a demodulation section which demodulates the compensated data signal, and outputs the demodulated signal as a demodulated data signal; and a modulation section which modulates the demodulated data signal, and outputs the modulated signal as a modulated data signal, and wherein said estimation section (a) compares a portion of the received signal which corresponds to the known signal with a resultant signal obtained by modulating the known signal, and (b) compares a portion of the received signal which corresponds to the data signal with a portion of the modulated data signal which corresponds to the data signal, thereby to estimate the transmission path characteristics, and said compensation section compensates for a portion of the received signal, which corresponds to the data signal, using the transmission path characteristics which are estimated by comparing a preceding portion of the received signal with the resultant signal corresponding to the preceding portion of the received signal.