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This paper addresses relay selection and resource allocation issues in cognitive radio sensor networks with wireless energy harvesting. We first consider a three-phase energy harvesting and information transmission protocol based on cooperative decode-and-forward relaying for a secondary system in coexistence with the primary system. In the first phase, the energy-constrained relay harvests energy...
Owing to the open nature of cooperative cognitive radio networks (CRNs), security becomes a critical topic to consider. In order to acquire more spectrum resources, malicious secondary users (SUs) always launch various attacks. Among these attacks, spectrum sensing data falsification (SSDF) attack is a typical one. To cope with SSDF attacks, this paper proposes a three-layer Bayesian model. History...
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