Security in wireless networks has traditionally been considered to be an issue to be addressed
separately from the physical radio transmission aspects of wireless systems. However, …

… , physical layer security presents distinctive advantages and promising prospects. Therefore,
the physical layer security … cryptographic techniques to further enhance information security. …

Physical-layer security utilizes resources of the transmission medium to guarantee secure …
Rooted in information theory, physical-layer security advocates for a foundational approach …

… Physical (PHY) layer security using an information-theoretic point of view has attracted …
The basic idea of PHY layer security is to exploit the physical characteristics of the wireless …

… After we introduce the wireless communication model, we show some existing physical
layer security approaches. A comparison of reliability, computational complexity, and secrecy …

… physical layer security in multiuser wireless networks. The essential premise of physical layer
security … Readers interested in going beyond the treatment of physical layer security offered …

… to improve physical-layer security … wireless physical-layer security, including multiple-input
multiple-output (MIMO), multiuser diversity, and cooperative diversity. To illustrate the security …

… say here that physical layer security is usually possible as soon as there is an asymmetry
in communication between Bob and Eve; in particular, physical layer security may be possible …

… This paper provides a latest survey of the physical layer security research on … for physical
layer security for future wireless networks, such as the joint physical-application layer secure …

… security researches. Reference [160] discussed both physical layer and upper layer security
issues in cognitive radio networks by introducing security threats and their countermeasures…