Power Control Using Game Theory in a Shared Open Spectrum

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Executive Summary

The main problem of the today's IEEE 802.11 WLANs is the small number of available channels. In this paper, the authors focus on a novel way of maximization of the network throughput and the provision of fairness which are key challenges in IEEE WLANs, using Game Theory. They examine two types of power control games, namely the non-cooperative and the cooperative power control game. In the case of non-cooperative power control game they find the Nash equilibrium in a distributed way. In the case of cooperative power control game they assume that there exists a central entity called coordinator which announces the calculated Nash bargaining solution to the access points.

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