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We propose a maximum a posteriori probability (MAP) turbo equalizer based on the sliding-window multilevel Bahl-Cocke-Jelinek-Raviv algorithm. This scheme is suitable for simultaneous nonlinear and linear impairment mitigation in multilevel coded-modulation schemes with coherent detection. The proposed scheme employs large-girth quasicyclic LDPC codes as channel codes. We demonstrate the efficiency...
An iterative equalization scheme suitable for electronic PMD compensation based on BCJR equalizer and a novel class of LDPC codes is proposed. The first order PMD with differential group delay up to two bit-periods can be completely compensated for.
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