In any transmission scheme, security against eavesdroppers is of importance. Contrary to
classical encryption, security directly at the physical layer can be achieved by applying suited …

… much security to be gained by considering the imperfections of the physical layer when coming
up with security … is concerned, it is challenging to provide security at the physical layer [1]. …

… There are all sorts of challenging problems that needs to be addressed cover a wide range
of disciplines including communication theory, information theory, and signal processing. In …

… layered physical layer security model to secure multiple messages simultaneously. It maintains
a hierarchical security … has a security level, and each user in the network has a security …

… Traditionally, information security is realized by using complex cryptography technology.
In fact, information theory has proven that secure communication can be guaranteed by only …

… In this section, we give a brief introduction to the theoretical foundations of physical layer
security … on physical layer based security techniques. Then, we outline the underlying theory for …

… To safeguard the transmitted data, physical layer security (… to secure the information. The
preeminent idea of utilizing the channel imperfections such as fading and noise into the security …

… information-theoretic perspective. In this paper, we investigate the physical layer security of
… over AWGN and Rayleigh fading channels from the information-theoretic manner. For this aim…

… security framework for the device initialization and we will show how physical layer security
can effectively boost the security … It has been a challenge in information theory for decades to …

… security was originally viewed as a high-layer problem to be solved using cryptographic
methods, physical layer (PHY) security based on information theory … In wireless PHY security, the …