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

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        904370.pdf (PDF, 1Mb)
        Author
        Shafarenko, A.
        Skidin, A.
        Turitsyn, S.K.
        Attention
        2299/4986
        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%).
        Publication date
        2010-10
        Published in
        IEEE Transactions on Communications
        Published version
        https://doi.org/10.1109/TCOMM.2010.080310.100026
        Other links
        http://hdl.handle.net/2299/4986
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