Zero-guard-interval coherent optical OFDM with overlapped frequency-domain CD and PMD equalization.

@article{Chen2011ZeroguardintervalCO,
  title={Zero-guard-interval coherent optical OFDM with overlapped frequency-domain CD and PMD equalization.},
  author={Chen Chen and Qunbi Zhuge and David V. Plant},
  journal={Optics express},
  year={2011},
  volume={19 8},
  pages={7451-67}
}
This paper presents a new channel estimation/equalization algorithm for coherent OFDM (CO-OFDM) digital receivers, which enables the elimination of the cyclic prefix (CP) for OFDM transmission. We term this new system as the zero-guard-interval (ZGI)-CO-OFDM. ZGI-CO-OFDM employs an overlapped frequency-domain equalizer (OFDE) to compensate both chromatic dispersion (CD) and polarization mode dispersion (PMD) before the OFDM demodulation. Despite the zero CP overhead, ZGI-CO-OFDM demonstrates a… CONTINUE READING
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