Wideband Spectrum Sensing With Sub-Nyquist Sampling in Cognitive Radios

被引：86
|
作者：
Sun, Hongjian [1 ]
Chiu, Wei-Yu [2 ]
Jiang, Jing [3 ]
Nallanathan, Arumugam [1 ]
Poor, H. Vincent [2 ]
机构：
[1] Kings Coll London, Dept Elect Engn, London WC2R 2LS, England
[2] Princeton Univ, Dept Elect Engn, Princeton, NJ 08544 USA
[3] Univ Surrey, Ctr Commun Syst Res, Surrey GU2 7XH, England
来源：
IEEE TRANSACTIONS ON SIGNAL PROCESSING | 2012年 / 60卷 / 11期
基金：
英国工程与自然科学研究理事会;
关键词：
Cognitive radio; fading; spectral recovery; spectrum sensing; wideband spectrum sensing;
D O I：
10.1109/TSP.2012.2212892
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：
Multi-rate asynchronous sub-Nyquist sampling (MASS) is proposed for wideband spectrum sensing. Corresponding spectral recovery conditions are derived and the probability of successful recovery is given. Compared to previous approaches, MASS offers lower sampling rate, and is an attractive approach for cognitive radio networks.
引用
收藏
页码：6068 / 6073
页数：7
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