Abstract

A version of the Arimoto-Blahut algorithm for continuous channels involves evaluating integrals over an entire input space and thus is not tractable. Two generalized discrete versions of the Arimoto-Blahut algorithm are presented for this purpose. Instead of calculating integrals, both algorithms require only the computation of a sequence of finite sums. This significantly reduces numerical computational complexity.< <ETX xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">&gt;</ETX>

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