Publication

On noisy feedback for interference channels

Michael Christoph Gastpar
2006
Conference paper

Abstract

An upper bound is established on the usefulness of noisy feedback for the interference channel (IC). The bound is based on the Hekstra-Willems dependence-balance arguments for two-way channels. For Gaussian ICs, the results suggest that feedback loses its efficacy roughly when the noise variance on the feedback link is larger than on the forward link.

Official source

https://infoscience.epfl.ch/record/169531?ln=en

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On noisy feedback for interference channels

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