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Massive multiple-input multiple-output (MIMO) has been extensively studied and considered as a key enabling technology for the fifth generation (5G) wireless communication systems, due to its potential to achieve high energy efficiency and spectral efficiency. As the concept of massive MIMO becomes more popular, it is plausible that the eavesdroppers will also employ massive antennas, which may remarkably...
Security is the guarantee to fully exploit the advantages of satellite communication networks. In this paper, the techniques of physical layer security are considered in multi-beam satellite networks. Physical layer security may be an effective way to improve the capability of anti-intercepting and anti-detecting of the satellite communication system. Necessary applications of physical layer security...
A novel approach for ensuring confidential wireless communication is proposed and analyzed from an information-theoretic standpoint. In this approach, the legitimate receiver generates artificial noise (AN) to impair the intruder's channel. This method is robust because it does not need the feedback of channel state information (CSI) to the transmitter and does not assume that the number of Eve's...
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