Lower bounds to moments of list size
Date
1990
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Source Title
Proceedings of the IEEE International Symposium on Information Theory, ISIT 1990
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Publisher
IEEE
Volume
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Pages
145 - 146
Language
English
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Abstract
Summary form only given. The list-size random variable L for a block code is defined as the number of incorrect messages that appear to a maximum-likelihood decoder to be at least as likely as the true message. Lower bounds to the moments of L have been obtained. For sequential decoding, the results imply that the tth moment of computation is unbounded at rates above a certain value, for all t≥0, and settle a long-standing open problem.