Saddlepoint Approximation of the Cost-Constrained Random Coding Error Probability

Josep Font-Segura,Alfonso Martinez,Albert Guillen i Fabregas

2018 IEEE Information Theory Workshop (ITW)（2018）

引用 3|浏览16

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摘要

Saddlepoint approximations to the pairwise error probability and to the random coding union bound are derived for the cost-constrained random coding ensemble. For the special case of the AWGN channel, an alternative expression to approximate the Shannon bound for optimal spherical codes is found.

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关键词

saddlepoint approximation,cost-constrained random coding error probability,pairwise error probability,random coding union bound,cost-constrained random coding ensemble,optimal spherical codes,Shannon

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