The reconfigurable intelligent surface (RIS) aided non-orthogonal multiple access (NOMA)
network is applied to improve spectral efficiency and energy efficiency of wireless systems …

This letter proposes a joint covert and secure transmission scheme in the non-orthogonal
multiple access (NOMA) networks against internal eavesdropping and external monitoring …

Differentsystemmodels utilizing nonorthogonal multiple access (NOMA) have been
successfully studied to meet the growing capacity demands of the Internet of Things IoT) …

Three relay selection techniques, aiming at achieving secure non-orthogonal multiple
access in cooperative energy-harvesting (EH) communications, are proposed and …

This article studies the reliable and secure communications for a wireless-powered non-
orthogonal multiple access (NOMA) system in the presence of multiple eavesdroppers. A …

In this work, multiple energy‐limited Internet of Things (IoT) users are intended to
communicate with their destination (D u D_u). The scheduled IoT user harvests the energy …

Energy harvesting-aided non-orthogonal multiple access (NOMA) meets critical
requirements of modern wireless networks in terms of spectral efficiency, communication …

Artificial noise, energy harvesting, and overlay communications can assure design metrics of
modern wireless networks such as data security, energy efficiency, and spectrum utilization …

This paper considers covert communication scenarios in satellite uplink. First we discuss the
basic principles and key features of three typical non-orthogonal multiple access (NOMA) …

This article investigates physical-layer security (PLS) for an energy-harvesting cognitive
network with nonorthogonal multiple access (EHCN-NOMA), where a cognitive base station …