TR2014-008

Cycle Slip-Mitigating Turbo Demodulation in LDPC-Coded Coherent Optical Communications

    •  Koike-Akino, T., Kojima, K., Millar, D.S., Parsons, K., Miyata, Y., Matsumoto, W., Sughiara, T., Mizuochi, T., "Cycle Slip-Mitigating Turbo Demodulation in LDPC-Coded Coherent Optical Communications", Optical Fiber Communication Conference and Exposition and the National Fiber Optic Engineers Conference (OFC/NFOEC), March 2014.
      BibTeX TR2014-008 PDF
      • @inproceedings{Koike-Akino2014mar,
      • author = {Koike-Akino, T. and Kojima, K. and Millar, D.S. and Parsons, K. and Miyata, Y. and Matsumoto, W. and Sughiara, T. and Mizuochi, T.},
      • title = {Cycle Slip-Mitigating Turbo Demodulation in LDPC-Coded Coherent Optical Communications},
      • booktitle = {Optical Fiber Communication Conference and Exposition and the National Fiber Optic Engineers Conference (OFC/NFOEC)},
      • year = 2014,
      • month = mar,
      • url = {https://www.merl.com/publications/TR2014-008}
      • }
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  • Research Areas:

    Communications, Signal Processing

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Turbo demodulation for cycle-slip recovery.
Abstract:

We show that an iterative demodulation with soft-decision feedback information from FEC decoder can efficiently mitigate cycle slips. With 3% pilot insertion, the turbo QPSK demodulation achieves 1.05dB gain even in the presence of frequent cycle slips.