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Article
Secure Cognitive Relay Network: Joint the Impact of Imperfect Spectrum Sensing and Outdated Feedback
In this paper, we consider cognitive relay networks with Nth best relay and beamforming schemes under the joint impact of imperfect spectrum sensing and outdated channel feedback. Specifically, we examine the sec...
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Article
Secure Cognitive Reactive Decode-and-Forward Relay Networks: With and Without Eavesdropper
In this paper, we study performances of cooperative relay networks in cognitive radio with reactive multiple decode-and-forward (DF) relays. In particular, we first derive exact and asymptotic expressions of o...