2018 IEEE International Symposium on Information Theory (ISIT) 2018
DOI: 10.1109/isit.2018.8437624
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Channel Input Adaptation via Natural Type Selection

Abstract: We consider a channel-independent decoder which is for i.i.d. random codes what the maximum mutualinformation decoder is for constant composition codes. We show that this decoder results in exactly the same i.i.d. random coding error exponent and almost the same correct-decoding exponent for a given codebook distribution as the maximum-likelihood decoder. We propose an algorithm for computation of the optimal correct-decoding exponent which operates on the corresponding expression for the channel-independent d… Show more

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Cited by 4 publications
(11 citation statements)
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“…where ( 10) is equivalent to (7) since |t| + = max {0, t}. In [7] the inner minimum of ( 8) was used as a basis of an iterative procedure to find minimizing solutions of (7).…”
Section: Correct-decoding Exponentmentioning
confidence: 99%
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“…where ( 10) is equivalent to (7) since |t| + = max {0, t}. In [7] the inner minimum of ( 8) was used as a basis of an iterative procedure to find minimizing solutions of (7).…”
Section: Correct-decoding Exponentmentioning
confidence: 99%
“…By a similar method, we also show convergence of the fixed-slope counterpart of the minimization (5), which is an alternating minimization at fixed ρ, based on the double minimum [10]…”
Section: Introductionmentioning
confidence: 97%
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