基于D_S证据理论的合作频谱感知技术

Abstract

Abstract:

A spectrum sensing method based on D_S evidence theory and dynamic weighted cooperative technique is introduced to analyze detecting probabilistic properties of cognitive users facing different SNR levels.Computer simulation shows that amending cooperative dynamic weighted coefficient with fusion technology based on D_S evidence theory overcomes the disadvantages of conventional cooperative sensing method and outperforms the conventional method and offers better detection performance.

Key words: D_S evidence theory;weighted cooperative sensing;data fusion

CLC Number:

TN92

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XUE Dun-Xiao, LI Chi. Cooperative Spectrum Sensing Based on the D_S Evidence Theory[J]., 2010, 23(7): 66-69.

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URL: https://journal.xidian.edu.cn/dzkj/EN/

https://journal.xidian.edu.cn/dzkj/EN/Y2010/V23/I7/66

References

［1］Ghasemi,Sousa E S.Collaborative Spectrum Sensing for Opportunistic Access in Fading Environment［C］.In Proc.IEEE DySPAN 2005,2005:131-136.

［2］Visser F E,Janssen G J M,Pawelczak P.Multinode Spectrum Sensing Based on Energy Detection for Dynamic Spectrum Access［J］.IEEE Radio Communications Magazine,2007,42(3):20-25.

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［4］刘斌,杨俊安.基于数据融合的加权合作频谱感知技术［J］.电子技术应用,2008(12):67-70.

［5］夏阳,陆余良.D_S证据推理及算法实现［J］.安徽大学学报,2004(11):819-823.

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Cooperative Spectrum Sensing Based on the D_S Evidence Theory

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