| 基于能量检测的频谱感知方法分析 |
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| 引用本文： | 陈艳,杨新伦.基于能量检测的频谱感知方法分析[J].广西工学院学报,2009,20(3):70-72,77. |
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| 作者姓名： | 陈艳 杨新伦 |
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| 作者单位： | 1. 广西工学院计算机工程系,广西,柳州,545006;电子科技大学通信抗干扰技术国家级重点实验室,四川,成都,611731
2. 广西工学院计算机工程系,广西,柳州,545006 |
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| 基金项目： | 广西工学院自然科学基金 |
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| 摘 要： | 简要介绍了认知无线电中基于能量检测的频谱感知方法,在分析能量检测法原理和性能基础上,研究了噪声的不确定性对检测性能的影响.仿真表明,能量检测法是一种简单、有效的频谱感知方法.
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| 关 键 词： | 认知无线电 频谱感知 能量检测法 噪声不确定 |
Analysis on spectrum sensing based on energy detection in cognitive radio |
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| CHEN Yan,YANG Xin-lun.Analysis on spectrum sensing based on energy detection in cognitive radio[J].Journal of Guangxi University of Technology,2009,20(3):70-72,77. |
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| Authors: | CHEN Yan YANG Xin-lun |
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| Affiliation: | CHEN Yan1,2,YANG Xin-lun1(1.Computer Engineering Department,Guangxi University of Technology,Liuzhou 545006,China,2.National Key Laboratory of Communication,University of Electronic Science and Technology of China,Chengdu 611731,China) |
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| Abstract: | This paper briefly presents the spectrum sensing method based on energy detection in cognitive radio,analyses the theory and performance of energy detection method,and discusses the impact of noise power uncertainty on detection performance.Computer simulation shows that the energy detection method is a simple and effective method of spectrum sensing. |
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| Keywords: | cognitive radio spectrum sensing energy detection method noise power uncertainty |
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