Convergence and Tradeoff of Utility-Optimal CSMA

Details Convergence and Tradeoff of Utility-Optimal CSMA Convergence and Tradeoff of Utility-Optimal CSMA

2009-02-12

arxiv.org/abs/0902.1996v1

Computer Science

Information Theory

6 pages, 1 figure, submitted to IEEE Communications Letters

Scientific paper

It has been recently suggested that in wireless networks, CSMA-based distributed MAC algorithms could achieve optimal utility without any message passing. We present the first proof of convergence of such adaptive CSMA algorithms towards an arbitrarily tight approximation of utility-optimizing schedule. We also briefly discuss the tradeoff between optimality at equilibrium and short-term fairness practically achieved by such algorithms.

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