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Backscatter communication system is the backbone of many low cost and low power distributed wireless systems. This paper studies the physical layer security (PLS) performance of a backscatter system which contains several relays and an eavesdropper. We discuss the conditions for a positive secrecy rate of the system in two different situations. First, in the case of known information of eavesdropper,...
This paper studies the massive MIMO full-duplex relaying (FDR), where multiple source-destination pairs communicate simultaneously with the help of a common full-duplex relay equipped with very large antenna arrays. In contrast to the conventional MIMO system, massive MIMO must be built with low-cost components which are prone to hardware impairments. In this paper, the effect of hardware impairments...
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