Fair Power Control Algorithm in Cognitive Radio Networks Based on Stackelberg Game

被引:1
|
作者
Wang, Zheng-qiang [1 ]
Wan, Xiao-yu [1 ]
Fan, Zi-fu [1 ]
机构
[1] Chongqing Univ Posts & Telecommun, Chongqing Key Lab Mobile Commun Technol, Chongqing, Peoples R China
关键词
cognitive radio; power control; fairness; Stackelberg game; RESOURCE-ALLOCATION; FEMTOCELL NETWORKS; CONSTRAINTS;
D O I
10.1587/transfun.E100.A.1738
中图分类号
TP3 [计算技术、计算机技术];
学科分类号
0812 ;
摘要
This letter studies the price-based power control algorithm for the spectrum sharing cognitive radio networks. The primary user (PU) profits from the secondary users (SUs) by pricing the interference power made by them. The SUs cooperate with each other to maximize their sum revenue with the signal-to-interference plus noise ratio (SINR) balancing condition. The interaction between the PU and the SUs is modeled as a Stackelberg game. Closed-form expressions of the optimal price for the PU and power allocation for the SUs are given. Simulation results show the proposed algorithm improves the revenue of both the PU and fairness of the SUs compared with the uniform pricing algorithm.
引用
收藏
页码:1738 / 1741
页数:4
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