Adaptive Power Control in Multi-Cell OFDM Systems : A Noncooperative Game with Power Unit Based Utility(Wireless Communication Technologies)
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概要
- 論文の詳細を見る
In this paper, we develop a new distributed adaptive power control framework for multi-cell OFDM systems based on the game theory. A specific utility function is defined considering the users' achieved average utility per power, i.e., power unit based utility. We solve the subcarrier allocation issue naturally as well as the power control. Each user tries to maximize its utility by adjusting the transmit power on each subcarrier. A Nash equilibrium for the game is shown to exist and the numerical results show that our proposal outperforms the pure water-filling algorithm in terms of efficiency and fairness.
- 社団法人電子情報通信学会の論文
- 2006-06-01
著者
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Niu Zhisheng
Tsinghua National laboratory for Information Science and Technology, Tsinghua University
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Niu Zhisheng
Tsinghua National Laboratory For Information Science And Technology (tnlist) Department Of Electroni
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Niu Zhisheng
Tsinghua-hitachi Ubiquitous It Joint Lab Department Of Electronic Engineering Tsinghua University
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Wang Lan
Tsinghua-hitachi Ubiquitous It Joint Lab Department Of Electronic Engineering Tsinghua University
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