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In this letter, we propose to transmit a discrete Fourier transform-spread (DFT-spread) optical orthogonal frequency division multiplexing (OFDM) signal in a fiber-wireless-fiber integration system at W-band enabled by photonic millimeter-wave generation and demodulation techniques. Experimental results show that the bit error ratio performance of the OFDM signal over fiber-wireless-fiber link is significantly improved after the DFT-spread technique is applied to simultaneously overcome power attenuation in frequency domain and reduce the peak-to-average power ratio of the OFDM signal.
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Li et al. (2015) studied this question.
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