Mismatched Multi-Letter Successive Decoding for the Multiple-Access Channel

  title={Mismatched Multi-Letter Successive Decoding for the Multiple-Access Channel},
  author={Jonathan Scarlett and Alfonso Martinez and Albert Guillx00E9n i Fx00E0bregas},
  journal={IEEE Transactions on Information Theory},
This paper studies channel coding for the discrete memoryless multiple-access channel with a given (possibly suboptimal) decoding rule. A multi-letter successive decoding rule depending on an arbitrary non-negative decoding metric is considered, and achievable rate regions and error exponents are derived both for the standard MAC (independent codebooks), and for the cognitive MAC (one user knows both messages) with superposition coding. In the cognitive case, the rate region and error exponent… CONTINUE READING

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