Improved Soft-Decision Forward Error Correction via Post-Processing of Mismatched Log-Likelihood Ratios

Conference: ECOC 2016 - 42nd European Conference on Optical Communication
09/18/2016 - 09/22/2016 at Düsseldorf, Deutschland

Proceedings: ECOC 2016

Pages: 3Language: englishTyp: PDF

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Alvarado, Alex; Paskov, Milen; Bayvel, Polina (Optical Networks Group, University College (UCL) London, E&EE Department, London, UK)
Szczecinski, Leszek (Institute National de la Recherche Scientifique (INRS), University of Quebec, Montreal, Canada)
Fehenberger, Tobias (Institute for Communications Engineering, Technical University of Munich (TUM), Munich, Germany)

Correction of soft information based on achievable information rates for SD-FEC is discussed. Linear scaling of LLRs is shown to offer gains of up to 0.75 dB for a rate 0.8 LDPC code in a channel dominated by phase noise.