TR2014-008
Cycle Slip-Mitigating Turbo Demodulation in LDPC-Coded Coherent Optical Communications
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- "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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- "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.
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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.