Providing a stable and perpetual source of energy to charge battery-powered wireless
communication devices is viewed as a major challenge in wireless communication systems …

The large antenna arrays with hybrid analog and digital (HAD) architectures can provide a
large aperture with low cost and hardware complexity, resulting in enhanced direction-of …

This paper investigates the physical layer security issue in an amplify-and-forward (AF) multi-
input multi-output (MIMO) two-way relay assisted cognitive radio (CR) nonorthogonal …

Abstract During both Vehicle-to-Vehicle (V2V) and Vehicle-to-Infrastructure (V2I)
communications, authentication process is necessary to protect Vehicular Ad Hoc Network …

Simultaneous wireless information and power transfer (SWIPT) and full-duplex (FD)
communications have emerged as prominent technologies in overcoming the limited energy …

A massive number of Internet-of-things (IoT) devices communicate with each other in a
wireless network for applications like smart cities, smart classrooms and smart agriculture …

In this paper, we study the physical layer security for simultaneous wireless information and
power transfer (SWIPT)-based half-duplex (HD) decode-and-forward relaying system. We …

This study considers a two-way amplify-and-forward relay system wherein two users
exchange information with the assistance of an energy-harvesting MIMO relay node. With …

For the security challenges generated by the eavesdroppers existing in wireless
communication systems, we propose a model for securely exchanging data between two …

This paper studies the possible physical layer security (PLS) enhancement in a wiretapped
two-way relay system from utilizing the reconfigurable intelligent surface (RIS) and …