Diversity of Spectrum Sensing over Frequency Selective Rayleigh Fading Channels

被引：0
|
作者：
Roostaei, Atefeh [1 ]
Derakhtian, Mostafa [1 ]
机构：
[1] Shiraz Univ, Sch Elect & Comp Engn, Shiraz, Iran
来源：
2016 24TH IRANIAN CONFERENCE ON ELECTRICAL ENGINEERING (ICEE) | 2016年
关键词：
Cognitive radio; spectrum Sensing; diversity; energy detection; frequency-selective channel; COGNITIVE RADIO;
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 cognitive radio systems, diversity of missed detection probability reflects the reliability of spectrum sensing. In this paper, we quantify the diversity order of missed detection probability over a Rayleigh frequency-selective channel with independent taps. We show that the diversity order is equal to the rank of the primary user's code matrix. If the secondary user gets enough samples from the primary user's signal, the spectrum sensing performance can be improved due to multipath diversity. Also our simulations approve the analytical results.
引用
收藏
页码：245 / 249
页数：5
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