Probabilistically-Shaped Coded Modulation with Hard Decision Decoding for Coherent Optical Systems

Alireza Sheikh; Alexandre Graell i Amat; Gianluigi Liva

Probabilistically-Shaped Coded Modulation with Hard Decision Decoding for Coherent Optical Systems

Information Theory 2017-05-08 v1 math.IT

Authors: Alireza Sheikh , Alexandre Graell i Amat , Gianluigi Liva

Abstract

We consider probabilistic shaping to maximize the achievable information rate of coded modulation (CM) with hard decision decoding. The proposed scheme using binary staircase codes outperforms its uniform CM counterpart by more than 1.3 dB for 64-QAM and 5 bits/symbol.

Keywords

coded modulation decoding algorithm source coding

Cite

@article{arxiv.1705.02283,
  title  = {Probabilistically-Shaped Coded Modulation with Hard Decision Decoding for Coherent Optical Systems},
  author = {Alireza Sheikh and Alexandre Graell i Amat and Gianluigi Liva},
  journal= {arXiv preprint arXiv:1705.02283},
  year   = {2017}
}

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