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Game Theoretic Issues in Cognitive Radio Systems

Jane Wei Huang and Vikram Krishnamurthy
Statistical Signal Processing Research Lab University of British Columbia, Vancouver, Canada

Abstract—The ability to model independent decision makers whose actions potentially affect all other decision makers makes game theory attractive to analyze the performances of wireless communication systems. Recently, there has been growing interest in adopting game theoretic methods to cognitive radio networks for power control, rate adaptation and channel access schemes. This work presents several results in game theory and their applications in cognitive radio systems. First, we compute the Nash equilibrium power allocation and rate adaptation policies in cognitive radio systems using static game and dynamic Markovian game frameworks. We then describe how mechanism design helps to design a truth revealing channel access scheme. Finally, we introduce the correlated equilibrium concept in stochastic games and its application to solve the transmission control problem in a cognitive radio system.

Index Terms—Cognitive Radio, Game Theory, General-Sum Markovian Dynamic Game, Switching Control Game, Nash Equilibrium, Mechanism Design, Correlated Equilibrium

 

Cite:Jane Wei Huang and Vikram Krishnamurthy, "Game Theoretic Issues in Cognitive Radio Systems," Journal of Communications, vol. 4, no.10, pp.790-802, 2009. Doi: 10.4304/jcm.4.10.790-802

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