The Two-User Deterministic Interference Channel with Rate-Limited Feedback

Details The Two-User Deterministic Interference Channel with Rate-Limited Feedback The Two-User Deterministic Interference Channel with Rate-Limited Feedback

2010-04-28

arxiv.org/abs/1004.5132v1

Computer Science

Information Theory

to appear in the proceedings of 2010 IEEE International Symposium on Information Theory (ISIT).

Scientific paper

In this paper we study the effect of rate-limited feedback on the sum-rate capacity of the deterministic interference channel. We characterize the sum-rate capacity of this channel in the symmetric case and show that having feedback links can increase the sum-rate capacity by at most the rate of the available feedback. Our proof includes a novel upper-bound on the sum-rate capacity and a set of new achievability strategies.

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