Orthogonal frequency-division multiplexing transmitting apparatus and orthogonal frequency-division multiplexing receiving apparatus
2006
The present invention provides an orthogonal frequency-division multiplexing transmitting apparatus and orthogonal frequency-division multiplexing receiving apparatus, the orthogonal frequency division multiplexing transmission apparatus comprising: a mapping unit, to generate the insertion interval is switched in accordance with the amplitude, for estimating the transmission symbol channel variation, and a configuration having a signal sequence corresponding to the amplitude of each modulation scheme of data symbols; inverse Fourier transform unit, the signal sequence generated by the mapping unit performs inverse transform to generate an OFDM symbol sequence; transmitting means for generating a sequence of OFDM symbols by the inverse Fourier transform unit transmits.
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