Probability-based combination for cooperative spectrum sensing

Authors:
Xiangwei Zhou;Jun Ma;Geoffrey Ye Li;Young Hoon Kwon;Anthony C. K. Soong
Affiliations:
School of Electrical and Computer Engineering, Georgia Institute of Technology, Atlanta, GA;School of Electrical and Computer Engineering, Georgia Institute of Technology, Atlanta, GA;School of Electrical and Computer Engineering, Georgia Institute of Technology, Atlanta, GA;Wireless Advanced Research, Huawei Technologies, Plano, TX;Wireless Advanced Research, Huawei Technologies, Plano, TX
Venue:
IEEE Transactions on Communications
Year:
2010

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Abstract

This letter proposes a probability-based scheme for combination of spectrum sensing information collected from cooperative cognitive radio users. The proposed scheme enables combination of both synchronous and asynchronous sensing information by utilizing the statistics of licensed band occupancy and is superior to conventional schemes in terms of detection performance.