Publication | Closed Access
Soft-Decision LDPC Turbo Decoding for DQPSK Modulation in Coherent Optical Receivers
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Citations
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References
2011
Year
Unknown Venue
PhotonicsDqpsk ModulationEngineeringOptical Transmission SystemIterative DemodulationIterative DecodingModulation CodingCoherent Optical ReceiversOptical Wireless CommunicationOptical CommunicationOptical NetworkingSignal ProcessingDifferential Decoding Penalty
We investigate DQPSK modulation combined with QC-LDPC coding. By applying iterative demodulation and soft-decision decoding, the differential decoding penalty is reduced by 2.05dB offering an attractive solution for coherent optical systems with soft-decision FEC.
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