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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Authors:
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)

Abstract:
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.