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基于次用户检测能力的认知无线电频谱共享博弈

DOI: 10.15918/j.tbit1001-0645.2015.04.010

Keywords: 认知线电 频谱共享 博弈论

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Abstract:

基于博弈论研究认知线电系统中主用户和次用户频谱共享方法. 认知线电系统中,主用户出售空闲频谱给次用户,以获得收益,次用户则通过博弈竞争空闲频谱资源. 由于不同的次用户检测能力各异,主用户对次用户的频谱共享意愿也不同. 根据次用户的检测能力强弱为认知用户设置优先级,提出将反映次用户检测能力的终端设备剩余电量百分比体现在价格函数中,从而得到新的效用函数. 通过仿真表明了该博弈算法能使频谱分配更加有效、公平、合理

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