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- W2394307617 abstract "In order to sense effectively primary user in cognitive radio networks,the multi-branch cooperative diversity in wireless communication networks is studied.A cooperative network composed of three cognitive users,two cognitive users acting as relay users for one cognitive user,using multi-branch cooperative diversity protocol to detect primary user in cognitive radio networks is proposed.The performance of this spectrum sensing method is analyzed.Theoretical analysis results show that this cooperative method can effectively sense primary user,and the method can also improve the detection probability,reduce the detection time,improve the network agility gain and help to improve the detection performance under low signal-to-noise ratio(SNR).Simulation results support the analysis conclusions." @default.
- W2394307617 created "2016-06-24" @default.
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- W2394307617 date "2008-01-01" @default.
- W2394307617 modified "2023-09-25" @default.
- W2394307617 title "A Multi-branch Cooperative Diversity Spectrum Sensing Method Based on Three Cognitive Users" @default.
- W2394307617 hasPublicationYear "2008" @default.
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