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In this paper, we evaluate how much beamforming and noise injection can improve physical layer security by deriving the probability of non-zero secrecy capacity and the secrecy outage probability. Our model is a typical wiretap channel model, composed of three participants — the transmitter Alice, the legitimate receiver Bob and the eavesdropper Eve. A typical cellular scenario is considered where...
In this paper, we propose a novel opportunistic scheduling algorithm in multi-cell cooperation scenario, i.e., joint multi-user diversity (MUD) exploitation and inter-cell interference (ICI) mitigation based scheduling (MEIMS). Our algorithm jointly considers the intended channel condition of the scheduled user from its serving cell and the orthogonality between that and the corresponding interference...
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