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Game Theory based Power Control for OFDM System  

Lee, Ryoung-Kyoung (충북대학교 전파공학과)
Cho, Hae-Keun (충북대학교 전파공학과)
Ko, Eun-Kyoung (충북대학교 전파공학과)
Lim, Yeon-Jun (충북대학교 전파공학과)
Hwang, In-Kwan (충북대학교 전파공학과)
Song, Myung-Sun (한국전자통신연구원)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.32, no.4A, 2007 , pp. 373-378 More about this Journal
Abstract
In this paper, the Game Theory based power control for OFDM system is studied, which has attained intensive interest as a core artificial intelligent technology for Cognitive Radio and its efficiency is evaluated using performance metrics such as system throughput and fairness. Utility Function for joint user centric and network centric power control is defined and simulation results show that game theory based power control is far better than closed loop power control. The contribution of this paper is to formalize the game theory based power control toward the Cognitive Radio that recognizes and adapts to the radio communication environments.
Keywords
Game Theory; Cognitive Radio; OFDM; Power Control; Nash Equilibrium;
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