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This paper investigates the secrecy outage performance of amplify-and-forward (AF) relaying cooperative cognitive radio networks (CCRNs) over Rayleigh fading channels. Specifically, collaborative distributed beamforming is employed at relays to avoid interfering the primary users. Moreover, passive eavesdropping scenario is considered in this work, while the channel state information of the eavesdropping...
In this paper, the performance of dual-hop multiple-input multiple-output (MIMO) relay system with transmit beamforming and maximum-ratio combining scheme (MIMO-MRC) for each hop is investigated. Both the relay and destination are subjected to multiple co-channel interferences (CCIs). An exact closed-form outage probability expression is derived for the Rayleigh fading channels. Then, to render more...
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