| 摘要 |
An apparatus for receiving OFDM(Orthogonal Frequency Division Multiplexing) signals is provided to reduce a manufacturing cost by simplifying a signal processing structure without a phase splitter, a delay element, and a Hilbert filter. An A/D converter(130) converts a received signal to a digital signal. An automatic frequency control unit(177) produces a frequency error of the received signal and outputs a compensatory signal. A multiplier(145) multiplies an output signal of the A/D converter by the compensatory signal of the automatic frequency control unit. A resampler(150) is used for re-extracting a signal by compensating a sampling error of an output signal of the multiplier. An SRRC(Square Root Raised Cosine) unit(160) outputs a frequency of an output signal of the resampler.
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