Due to the widespread use of the Internet of Things (IoT), organizations should concentrate
their efforts on system security. Any vulnerability could lead to a system failure or …

The recent advancements in hardware miniaturization capabilities have boosted the
diffusion of systems based on Energy Harvesting (EH) technologies, as a means to power …

In this paper, we investigate secure communication in a two-hop wireless network, where
multiple buffer-aided relays assist to securely forward data from the sender to the destination …

Non-orthogonal multiple access (NOMA) technology is expected to effectively improve the
spectrum efficiency of fifth-generation and later wireless networks. As a new technology …

In this article, we study a robust beamforming design for multiuser multiple-input–multiple-
output secrecy networks with simultaneous wireless information and power transfer (SWIPT) …

Security countermeasures are considered one of the major concerns in the emerging
Internet of Things (IoT) paradigm to guarantee an efficient network operation. To investigate …

Secrecy rate (SR) optimization in millimeter wave (mmWave) Internet of Things (IoT) systems
with simultaneous wireless information and power transfer (SWIPT) is studied in this article …

This paper considers a cooperative cognitive radio network with two primary users (PUs),
and two secondary users (SUs) that enables two-way communications of primary, and …

Cognitive radio (CR) has been introduced into the Internet of Things (IoT) domain as a
potential solution to the critical spectrum resource shortage caused by a dramatic increase …

A novel low-profile vertically polarized planar endfire smart antenna that can achieve 360°
beam-steering and high beam-shaping capability is proposed. The microstrip antenna is …