电讯技术2018，Vol.58Issue(2)：126-130,5.DOI:10.3969/j.issn.1001-893x.2018.02.002
利用压缩测量值的非重构宽带频谱感知
Compressed Measurements Based Non-reconstructed Wideband Spectrum Sensing
于永乐 1张政保 1郭超2
作者信息
- 1. 陆军工程大学石家庄校区 信息工程系,石家庄050003
- 2. 解放军71777部队,济南250100
- 折叠
摘要
Abstract
In order to solve the problem of analyzing spectrum data rapidly and accurately in cognitive radio (CR) wideband systems,the non-reconstructed compressed spectrum sensing is studied. The compressed measurements based non-reconstructed wideband spectrum sensing algorithm is proposed,and the closed expressions of false alarm probability and detection probability are derived and analyzed. This algorithm u-ses the discrete cosine transform (DCT) matrix to observe the compressed energy information of prime us-er,and uses the novel compressed detector to judge the information. Simulation results show that the algo-rithm reduces the computational complexity,and provides better working characteristics than the conven-tional energy detector and compressed detector.关键词
认知无线电/压缩感知/宽带频谱感知/离散余弦变换矩阵Key words
cognitive radio(CR)/compressed sensing(CS)/wideband spectrum sensing/discrete cosine transform (DCT) matrix分类
信息技术与安全科学引用本文复制引用
于永乐,张政保,郭超..利用压缩测量值的非重构宽带频谱感知[J].电讯技术,2018,58(2):126-130,5.
