Secure Beamforming and Ergodic Secrecy Rate Analysis for Amplify-and-Forward Relay Networks With Wireless Powered Jammer
作者： Hina Tabassum , Raviraj Adve , Omer Waqar
关键词:
摘要: In this correspondence, we consider an amplify-and-forward relay network in which relayed information is overheard by eavesdropper. order to confound the eavesdropper, a wireless-powered jammer also considered harvests energy from multiple-antenna source. We proposed new secure beamforming scheme vector linear combination of (EB) and (IB) vectors. particular, present closed-form solution for shown achieve near-optimal secrecy capacity asymptotic regime large number antennas at Moreover, it demonstrated that achieves significantly higher rate as compared trivial EB IB A tight approximation ergodic derived antennas. Finally, numerical examples simulations are provided validate our analytical results.
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