An Energy Detector for Spectrum Sensing in Impulsive Noise Environment

被引：0
|
作者：
Trump, Tonu [1 ]
Mueuersepp, Ivo [1 ]
机构：
[1] Tallinn Univ Technol, Dept Radio & Telecommun Engn, Tallinn, Estonia
来源：
2011 IEEE 22ND INTERNATIONAL SYMPOSIUM ON PERSONAL INDOOR AND MOBILE RADIO COMMUNICATIONS (PIMRC) | 2011年
关键词：
Cognitive radio; spectrum sensing; robust detection;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this paper we propose a robust energy detector for spectrum sensing in cognitive radio systems. The detector is derived by modelling the noise process as consisting of two components, Gaussian noise and impulsive noise. The impulsive noise is modelled using a uniform distribution that appears with a certain probability. A convenient approximation using the max operator is then applied to the resulting probability density function to gain mathematical tractability. The performance of the proposed detector is analysed theoretically and the results of the theoretical analysis are verified in our simulation study.
引用
收藏
页码：467 / 471
页数：5
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