Mismatched Decoding Reliability Function at Zero Rate
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Peer-reviewed
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Abstract
We derive an upper bound on the reliability function of mismatched decoding for zero-rate codes. The bound is based on a result by Koml ́os that shows the existence of a subcode with certain symmetry properties. The bound is shown to coincide with the expurgated exponent at rate zero for a broad family of channel-decoding metric pairs.
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Keywords
Decoding, Measurement, Reliability, Upper bound, Capacity planning, Codes, Random variables, Error exponents, mismatched decoding
Journal Title
IEEE Transactions on Information Theory
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0018-9448
1557-9654
1557-9654
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Publisher
Institute of Electrical and Electronics Engineers (IEEE)
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European Research Council (725411)
ERC grant ITUL