Computer Science – Information Theory
Scientific paper
2010-07-11
Computer Science
Information Theory
41 pages, 10 figures, submitted to IEEE Transactions on Information Theory, May 2010. Added Figure 6
Scientific paper
The interference channel is the simplest communication scenario where multiple autonomous users compete for shared resources. We combine game theory and information theory to define a notion of a Nash equilibrium region of the interference channel. The notion is game theoretic: it captures the selfish behavior of each user as they compete. The notion is also information theoretic: it allows each user to use arbitrary communication strategies as it optimizes its own performance. We give an exact characterization of the Nash equilibrium region of the two-user linear deterministic interference channel and an approximate characterization of the Nash equilibrium region of the two-user Gaussian interference channel to within 1 bit/s/Hz..
Berry Randall A.
Tse David N. C.
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