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认知无线电网络中的分布式动态频谱共享

DOI: 10.13190/jbupt.200901.69.qiuj, PP. 69-72

Keywords: 认知无线电,动态频谱共享,博弈论

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Abstract:

研究了基于认知无线电技术的动态频谱共享,基于重复博弈理论设计了一种分布式动态信道接入和功率分配算法。在不影响主用户通信的情况下,每个认知用户能够根据自己的QoS需求和本地信息进行分布式信道选择和功率分配,在系统频谱效率和业务QoS之间进行有效折中。该算法具有较好的收敛性,能最大程度地满足用户的业务需求,更适用于异构网络和业务的应用。

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