Physical layer security (PLS) has emerged as a new concept and powerful alternative that
can complement and may even replace encryption-based approaches, which entail many …

Physical layer security (PHY-security) takes the advantages of channel randomness nature
of transmission media to achieve communication confidentiality and authentication. Wiretap …

Due to the broadcast nature of radio propagation, the wireless air interface is open and
accessible to both authorized and illegitimate users. This completely differs from a wired …

As a complement to high-layer encryption techniques, physical layer security has been
widely recognized as a promising way to enhance wireless security by exploiting the …

Physical layer security (PLS) has been extensively explored as an alternative to
conventional cryptographic schemes for securing wireless links. Many studies have shown …

Due to the malicious attacks in wireless networks, physical layer security has attracted
increasing concerns from both academia and industry. The research on physical layer …

This paper provides a comprehensive review of the domain of physical layer security in
multiuser wireless networks. The essential premise of physical layer security is to enable the …

We consider a cognitive radio (CR) network consisting of a secondary transmitter (ST), a
secondary destination (SD) and multiple secondary relays (SRs) in the presence of an …

This article provides an overview of the signal processing techniques used to enhance
secrecy in the physical layer of multiantenna wireless communication systems. Motivated by …

Cooperative relaying is an effective method of increasing the range and reliability of wireless
networks, and several relaying strategies have been adopted in major wireless standards …