Half-voting based twice-cooperative spectrum sensing in cognitive radio networks

Authors:
Ling Li;Yin Lu;Hongbo Zhu
Affiliations:
Nanjing University of Posts and Telecommunications, Nanjing China;Nanjing University of Posts and Telecommunications, Nanjing China;Nanjing University of Posts and Telecommunications, Nanjing China
Venue:
WiCOM'09 Proceedings of the 5th International Conference on Wireless communications, networking and mobile computing
Year:
2009

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Abstract

Spectrum sensing is the key enabling technology for cognitive radio networks. The main objective of the spectrum sensing is to provide more spectrum access opportunities to cognitive radio (CR) users without interfering with the licensed users. In this paper, we propose a half-voting based twicecooperative spectrum sensing scheme. Simulation results show that the proposed sensing method can achieve a much better performance.