On the energy detection of unknown signals over fading channels

被引：1225
|
作者：
Digham, Fadel F. [1 ]
Alouini, Mohamed-Slim
Simon, Marvin K.
机构：
[1] Univ Minnesota, Dept Elect & Comp Engn, Minneapolis, MN 55455 USA
[2] CALTECH, Jet Prop Lab, Pasadena, CA 91109 USA
来源：
IEEE TRANSACTIONS ON COMMUNICATIONS | 2007年 / 55卷 / 01期
关键词：
diversity schemes; energy detection; fading channels; low-power applications; square-law detector; unknown signal detection;
D O I：
10.1109/TCOMM.2006.887483
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：
This letter addresses the problem of energy detection of an unknown signal over a multipath channel. It starts with the no-diversity case, and presents some alternative closed-form expressions for the probability of detection to those recently reported in the literature. Detection capability is boosted by implementing both square-law combining and square-law selection diversity schemes.
引用
收藏
页码：21 / 24
页数：4
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