期刊文献+

认知车载网络中基于三态模型的频谱感知策略

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摘要 本文将认知无线电技术应用于车载通信,车载用户被看作是未授权用户(次用户),并且能够机会主义地动态感知、分析和访问频谱。在车载用户频谱感知过程中提出一种三态模型,频谱占用状态分为空闲时,被主用户占用时以及被车载用户占用时三种。仿真结果表明,认知车载网络中基于三态模型的频谱感知策略可以显著提升车载用户信道利用率和传输公平性。
作者 顾金媛
出处 《中国新通信》 2013年第23期124-125,共2页 China New Telecommunications
基金 国家自然科学基金资助项目(61371113)
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