Research on efficient cooperative spectrum sensing algorithm in cognitive radio
基于高效协作感知算法的认知无线电研究*

Concerning the problem of high sensing overhead in the cooperative spectrum sensing,this paper proposed a method that can choose the best number of sensing nodes and channels to reduce the sensing overhead.The algorithm analyzed the number of users,the number of licensed channels,cooperative sensing precision,sensing overhead and their relations.Compared with other algorithms,simulation results show that the proposed algorithm can reduce the sensing overhead and improve the cooperative sensing of performance,which prove the effectiveness of this method.