| 基于博弈论的最优认知中继网络功率控制 |
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| 引用本文： | 蒋青,杨克利,唐伦. 基于博弈论的最优认知中继网络功率控制[J]. 重庆邮电学院学报(自然科学版), 2011, 0(2) |
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| 作者姓名： | 蒋青 杨克利 唐伦 |
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| 作者单位： | 重庆邮电大学移动通信技术重点实验室; |
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| 基金项目： | 重庆市教育委员会科学技术研究项目(KJ080522,KJ090501,KJ100514)~~ |
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| 摘 要： | 认知中继网络在不影响主用户的正常通信情况下使用授权频谱,其功率控制方法也有自身的特点。用博弈论的方法建立认知中继模型,求出最大化效用的阶段发射功率解,通过对其纳什均衡、帕累托最优和全局最优的分析,发现用实际纳什均衡解作为发射功率效用最优,而这是由发射功率的非同时性所决定的。仿真验证了把实际纳什均衡解作为发射功率值时效用最优。
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| 关 键 词： | 认知中继 超模博弈 纳什均衡 帕累托最优 功率控制 |
Optimal power control for cognitive relay networks based on game theory |
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| JIANG Qing,YANG Ke-li,TANG Lun. Optimal power control for cognitive relay networks based on game theory[J]. Journal of Chongqing University of Posts and Telecommunications(Natural Sciences Edition), 2011, 0(2) |
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| Authors: | JIANG Qing YANG Ke-li TANG Lun |
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| Affiliation: | JIANG Qing,YANG Ke-li,TANG Lun(Research Laboratory of Mobi1e Communications,Chongqing University of Posts and Telecommunications,Chongqing 400065,P.R.China) |
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| Abstract: | Cognitive relay network can use licenced frequency if it don't interrupt primary user's communication.Its power control scheme has itself feature.Based on game theory a model of cognitive relay network is established and stage power to maximize utility is found.By analyzing Nash Equilibrium,Pareto optimality and Global optimality actual solution of nash equilibrium make utility optimal.All this is because of asynchronism of strategy.Simulations showed that actual solution of nash equilibrium make utility th... |
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| Keywords: | cognitive relay supermodular game nash equilibrium pareto optimality power control |
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