一种基于信誉度的航空无线电协作频谱感知方法

doi:10.11959/j.issn.1000-0801.2015145

Abstract

Abstract:

The traditional cooperative spectrum sensing algorithm of aeronautical radio can't distinguish the node type（normal/malicious）, though weighted sequential probability ratio test（WSPRT）method meets the requirement but when the spectrum sensing data falsification（SSDF）node is exist, it can't keep high sensing accuracy any more. An improved WSPRT was proposed. On the foundation of traditional WSPRT, reputation rewards and punishment algorithm was improved, and sensing stability factor was taken into account. The simulation results show that it can make identify malicious cognitive nodes easier and make the fusion algorithm distinguish malicious user more accurate.

Key words: cognitive radio, weighted sequential probability ratio test, cooperative spectrum sensing, spectrum sensing data falsification

Yufeng Li,Nairui Hu,Yupeng Wang. A Cooperative Spectrum Sensing Method of Aeronautical Radio Based on Reputation[J]. Telecommunications Science, 2015, 31(9): 118-123.

Figures/Tables 5

References 12

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算法种类	运行时间/s
“与”算法	0.005 71
WSPRT算法	2.328 77
本文改进算法	1.217 49

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A Cooperative Spectrum Sensing Method of Aeronautical Radio Based on Reputation

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