On minimum sensing error with spectrum sensing using counting rule in cognitive radio networks

Authors:
Tao Jiang;Daiming Qu
Affiliations:
Huazhong University of Science and Technology, Wuhan, China;Huazhong University of Science and Technology, Wuhan, China
Venue:
Proceedings of the 4th Annual International Conference on Wireless Internet
Year:
2008

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Abstract

In cognitive radio networks (CRN), spectrum sensing requires each secondary user to efficiently and effectively detect the presence of primary users. In this paper, we study cooperative spectrum sensing (CSS), which is based on counting rules. Particularly, we first derive the optimal sensing strategy of CSS to minimize the sensing error, and then propose a simple algorithm to calculate the optimal parameter settings for CSS. Numerical results have been conducted and also validated that our proposed approach can achieve satisfying performance.