On the sum capacity of a class of cyclically symmetric deterministic interference channels

Authors:
Bernd Bandemer;Gonzalo Vazquez-Vilar;Abbas El Gamal
Affiliations:
Stanford University, Information Systems Laboratory, Stanford, CA;Stanford University, Information Systems Laboratory, Stanford, CA;Stanford University, Information Systems Laboratory, Stanford, CA
Venue:
ISIT'09 Proceedings of the 2009 IEEE international conference on Symposium on Information Theory - Volume 4
Year:
2009

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Abstract

Certain deterministic interference channels have been shown to accurately model Gaussian interference channels in the asymptotic low-noise regime. Motivated by this correspondence, we investigate a K user-pair, cyclically symmetric, deterministic interference channel in which each receiver experiences interference only from its neighboring transmitters (Wyner model). We establish the sum capacity for a large set of channel parameters, thus generalizing previous results for the 2-pair case.