Abstract

We consider discrete-time finite alphabet channels with additive random noise. We show that output feedback does not increase the capacity of such channels. This result holds in the most general case; i.e., for arbitrary additive noise processes.< <ETX xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">&gt;</ETX>

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