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 is a promising approach that can benefit traditional encryption
methods. The idea of physical layer security is to take advantage of the propagation …

Covert communications hide the transmission of a message from a watchful adversary while
ensuring a certain decoding performance at the receiver. In this paper, a wireless …

This letter proposes a novel unmanned aerial vehicle (UAV)-enabled mobile jamming
scheme to improve the secrecy rate of ground wiretap channel. Specifically, a UAV is …

In this paper, we consider an energy-constrained unmanned aerial vehicle (UAV)-enabled
mobile relay assisted secure communication system in the presence of a legitimate source …

Communications aided by low-altitude unmanned aerial vehicles (UAVs) have emerged as
an effective solution to provide large coverage and dynamic capacity for both military and …

In this paper, we summarize research initiatives for 5G wireless communication based on
advanced multiple access technologies. Earlier generations of cellular networks embraced …

The diverse requirements of next-generation communication systems necessitate
awareness, flexibility, and intelligence as essential building blocks of future wireless …

In this paper, we develop various beamforming techniques for downlink transmission for
multiple-input single-output nonorthogonal multiple access (NOMA) systems. First, a …

Cooperative jamming is deemed as a promising physical layer-based approach to secure
wireless transmissions in the presence of eavesdroppers. In this paper, we investigate …