认知无线电合作频谱感知技术仿真研究
摘要
在认知无线电网络中,认知用户需要持续监听出现的主用户频谱,并且能够准确的检测到主用户的出现。本文分析了一种两个认知用户下的合作频谱感知技术,比较了合作与非合作下的检测性能。仿真结果表明,合作频谱感知技术能够有效提高认知用户对主用户的检测概率,具有更加可靠的检测性能。
出处
《计算机与信息技术》
2009年第12期6-8,共3页
Computer & Information Technology
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