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Power Allocation Using Non-Cooperative Game Theoretic Analysis in Cognitive Radio Networks

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2 Author(s)
Ronghua Luo ; Inst. of Signal Process. & Transm., Nanjing Univ. of Posts & Telecommun., Nanjing, China ; Zhen Yang

Based on interference temperature model, the spectrum sharing problem between the secondary user and primary user can be formulated as optimization problem. In this paper, we propose a suboptimal distributed non-cooperative game theoretic power control algorithm for solving this optimization problem. Simulation results show that the proposed algorithm provides significant power saving compared to the optimal solution power control algorithm with slight performance sacrifice. Meanwhile, the proposed power control algorithm can be implemented distributively, which is very suitable for practical scenario. And therefore, the proposed algorithm is also compared with other non-cooperative power control algorithm, simulation results show that our proposed algorithm achieves significantly better performance than the latter algorithm with consuming slightly more power.

Published in:

2010 6th International Conference on Wireless Communications Networking and Mobile Computing (WiCOM)

Date of Conference:

23-25 Sept. 2010