… security systems. In this article, I briefly review several different flavors of physical layer security
… weaknesses) where the foundation for physical layer security needs to be strengthened. I …

… Recently, the requirement of high data rates, data reliability, and security drives the
development of RFID systems, which motivates our investigation on the physical layer security of a …

… Due to the properties of the physical medium, any … , recent results in information theory
indicate that the physical properties of … The theoretical foundation for physical-layer security over …

… Kanter, “Noise-enhanced encryption for physical layer security in an OFDM radio,” in Proc. …
ysis, statistical signal processing, and information theory, and their applications in wireless …

… With the development of multi-user information theory, the focus of information-theoretic
security research is also shifted from the point-to-point systems to multi-user systems. In multi-…

… To design physical layer security techniques under practical scenarios, the uncertainty and
… development in physical layer security considering the imperfect channel state information (…

… In the context defined above, an important parameter is the security gap, that expresses the
… a sufficient level of physical layer security. An important target is to keep the security gap as …

… The strongest security protection may be achieved at the physical layer”. In this work, we
review how it is possible to move some of the security core functions down to the physical layer, …

… Therefore, new security approaches are issued from information theory fundamentals and
… as physical layer security [2]–[10]. The advantages of employing physical layer security tech…

… Third, more recently there has been interest in physical layer security techniques that exploit
… physical layer technique that exploits the characteristics of multipath propagation for secure …