Weakly-Constrained Codes for Suppression of Patterning Effects in Digital Communications

A. Shafarenko, A. Skidin, S.K. Turitsyn

    Research output: Contribution to journalArticlepeer-review

    14 Citations (Scopus)
    57 Downloads (Pure)

    Abstract

    We propose weakly-constrained stream and block codes with tunable pattern-dependent statistics and demonstrate that the block code capacity at large block sizes is close to the the prediction obtained from a simple Markov model published earlier. We demonstrate the feasibility of the code by presenting original encoding and decoding algorithms with a complexity log-linear in the block size and with modest table memory requirements. We also show that when such codes are used for mitigation of patterning effects in optical fibre communications, a gain of about 0.5 dB is possible under realistic conditions, at the expense of small redundancy (≈10%).
    Original languageEnglish
    Pages (from-to)2845-2854
    JournalIEEE Transactions on Communications
    Volume58
    Issue number10
    DOIs
    Publication statusPublished - Oct 2010

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