Analysis of Noise Spread in Optical DFT-S OFDM Systems

@article{Tao2012AnalysisON,
  title={Analysis of Noise Spread in Optical DFT-S OFDM Systems},
  author={Li Yu Tao and Jianjun Yu and Yuan Fang and Junwen Zhang and Yufeng Shao and Nan Chi},
  journal={Journal of Lightwave Technology},
  year={2012},
  volume={30},
  pages={3219-3225}
}
A discrete Fourier transform spread orthogonal frequency division multiplexing (DFT-S OFDM) scheme is attractive for its effective peak-to-average power ratio (PAPR) reduction. This paper presents another important issue about DFT-S OFDM, which is noise spread induced by the extra inverse discrete Fourier transform for DFT-S OFDM data recovery at the receiver. It would reduce the optical signal-to-noise ratio (OSNR) and spread the noise over the whole DFT-S OFDM subband, make DFT-S OFDM being… CONTINUE READING

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