Study On Optical Communications, Volume. 50, Issue 1, 23010301(2024)

Low Complexity Soft Information Demodulation Technology for High-Speed Optical Communication

Jian HUANG1,2、*, Qixiong ZHU1,2, and Dengchao CHEN1,2
Author Affiliations
  • 1FiberHome Telecommunication Technologies Co., Ltd., Wuhan 430205, China
  • 2Wuhan Fisilink Microelectronics Technology Co., Ltd., Wuhan 430205, China
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    References(11)

    [1] Zheng D M, Yuan J G, Wang Z et al. A Two-stage Coded Modulation Scheme based on the 8-QAM Signal for Optical Transmission Systems[J]. Procedia Computer Science, 131, 964-969(2018).

    [2] Liu Y, Zhang W B, Xi L X et al. A New LDPC Decoding Scheme for PDM-8QAM BICM Coherent Optical Communication System[J]. Optoelectronics Letters, 11, 449-452(2015).

    [5] Renner J, Fehenberger T, Yankov P M et al. Experimental Comparison of Probabilistic Shaping Methods for Unrepeated Fiber Transmission[J]. Journal of Lightwave Technology, 35, 4871-4879(2017).

    [6] Forney G D, Gallager R, Lang G R et al. Efficient Modulation for Band-limited Channels[J]. IEEE Journal on Selected Areas in Communications, 2, 632-647(1984).

    [7] Cho J, Chandrasekhar S, Dar R et al. Low-complexity Shaping for Enhanced Nonlinearity Tolerance[C], W.1.C.2(2016).

    [8] Pan C P, Kschischang R F. Probabilistic 16-QAM Shaping in WDM Systems[J]. Journal of Lightwave Technology, 34, 4285-4292(2016).

    [9] Fehenberger T, Alvarado A, Böcherer G et al. On Probabilistic Shaping of Quadrature Amplitude Modulation for the Nonlinear Fiber Channel[J]. Journal of Lightwave Technology, 34, 5063-5073(2016).

    [10] Yankov P M, Ros D F, Silva P E et al. Constellation Shaping for WDM Systems Using 256QAM/1 024QAM with Probabilistic Optimization[J]. Journal of Lightwave Technology, 34, 5146-5156(2016).

    [11] Wang D, Li X P. Complexity-reduced Log-MAP Algorithm based on Combinational Logic Circuit for Turbo Decode[J]. Radio Communications Technology, 44, 263-267(2018).

    [12] Robertson P, Villebrun E, Hoeher P. A Comparison of Optimal Sub-optimal MAP Decoding Algorithms Operating in the Long Domain[C], 524253(1995).

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    Jian HUANG, Qixiong ZHU, Dengchao CHEN. Low Complexity Soft Information Demodulation Technology for High-Speed Optical Communication[J]. Study On Optical Communications, 2024, 50(1): 23010301

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    Paper Information

    Category: Research Articles

    Received: Jul. 10, 2023

    Accepted: --

    Published Online: Apr. 9, 2024

    The Author Email: HUANG Jian (huangjian@fiberhome.com)

    DOI:10.13756/j.gtxyj.2024.230103

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