A reconstruction failure detection scheme for Modulated Wideband Converter based compressed spectrum sensing

被引：0
|
作者：
Zheng, Shi-Lian [1 ]
Yang, Xiao-Niu [1 ]
机构：
[1] School of Telecommunications Engineering, Xidian University, Xi'an,710071, China
来源：
Dianzi Yu Xinxi Xuebao/Journal of Electronics and Information Technology | 2015年 / 37卷 / 01期
关键词：
Cognitive radio;
D O I：
10.11999/JEIT140127
中图分类号：
学科分类号：
摘要：
A basic premise for Modulated Wideband Converter (MWC) applying to spectrum sensing is that the signal spectrum is sparse. Otherwise, the reconstruction result will be incorrect. A method of judging whether the reconstruction is successful is proposed for MWC compressed sensing. It utilizes the correlation between two consecutive reconstructed subband energy. Simulation results show that the method can judge whether the reconstruction is successful with high accuracy, and can reduce the interference probability with primary users when the spectrum is not that sparse. ©, 2014, Science Press. All right reserved.
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页码：236 / 240
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