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2017 | OriginalPaper | Buchkapitel

Research on Cognitive Radio Spectrum Sensing Method Based on Information Geometry

verfasst von : Qiang Chen, Pin Wan, Yonghua Wang, Jiangfan Li, Yirui Xiao

Erschienen in: Cloud Computing and Security

Verlag: Springer International Publishing

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Abstract

Making using of the emerging information geometry theory, we analyze the statistical properties of wireless spectrum signals received by secondary users, and propose a cognitive radio spectrum sensing method based on information geometry. We introduce a new detection structure, using the sample covariance matrix and corresponding to the points on the statistical manifold, by calculating the distance between them and make a decision, thus transforming the statistical detection problem into the geometric problem on the manifold. We also used two solutions: Constant False Alarm Rate (CFAR) Detector and Distance Detector (DD). The simulation results reveal that the performance of the information geometry method is superior to the traditional spectrum sensing algorithm, and research results will help us to explore the spectrum sensing problem from a new perspective.

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Metadaten
Titel
Research on Cognitive Radio Spectrum Sensing Method Based on Information Geometry
verfasst von
Qiang Chen
Pin Wan
Yonghua Wang
Jiangfan Li
Yirui Xiao
Copyright-Jahr
2017
DOI
https://doi.org/10.1007/978-3-319-68542-7_47