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Collaborative spectrum sensing in Cognitive Radio Networks is vulnerable to Spectrum Sensing Data Falsification (SSDF) attack. Many existing SSDF attack defending algorithms need the assistance of reference sensing devices with high spectrum sensing performance, which are difficult and costly to be implemented in reality. Most of other existing approaches are based on statistic characteristics of...
Cognitive radio is a new intelligent wireless communication technology, which aims to improve the utilization of limited spectrum resources. In a cognitive radio network, efficient sensing of primary (licensed) users is prerequisite to other cognitive tasks. In this paper, spectrum sensing method based on higher-order statistics is discussed. We choose bispectrum estimation method for its good performance...
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