OFDM broadcast wave receiver

摘要

The invention relates to an OFDM (Orthogonal Frequency Division Multiplex) broadcast wave receiver for receiving an OFDM broadcast wave. Demodulation means are provided for performing OFDM demodulation of the received signal to provide signals of a plurality of frequencies. The receiver includes means for automatically discriminating (20) whether the received signal is of a wide band or a narrow band by determining if a carrier signal having a predetermined frequency is present among the signals of a plurality of frequencies. Means for further provided for controlling (19) the demodulating operation of demodulation means in accordance with the discrimination result to thereby acquire a demodulated signal.