In this paper, we consider the problem of enhancing the physical layer security of a wireless
communication system by designing the optimal reflection coefficients of an intelligent …

In this paper, we study an intelligent reflecting surface (IRS)-aided wireless secure
communication system, where an IRS is deployed to adjust its reflecting elements to secure …

In this letter, the use of intelligent reflecting surface (IRS) to enhance the physical layer
security of downlink wireless communication is investigated. Assuming a single-antenna …

Intelligent Reflecting Surface (IRS)-assisted beamforming is an emerging paradigm
proposed to enhanced signal coverage and multiplexing in terahertz (THz) communications …

In this letter, we propose a novel encrypted data transmission scheme using an intelligent
reflecting surface (IRS) to generate secret keys in wireless communication networks. We …

This letter investigates the security of physical layer secret key generation in highly
reconfigurable scattering environments. Based on our derived secret key capacity …

Recent advance of Intelligent Reflecting Surface (IRS) introduces a new dimension for
secure communications by reconfiguring the transmission environments. In this paper, we …

Physical layer security (PLS) technology based on the fixed-position antenna (FPA) has
{attracted widespread attention}. Due to the fixed feature of the antennas, current FPA-based …

Recently, reconfigurable intelligent surfaces (RISs) have received much interest from both
academia and industry due to their flexibility and cost-effectiveness in adjusting the phase …

Joint active and passive beamforming optimization is investigated to enhance the physical
layer security of a reconfigurable intelligent surface (RIS)-assisted multiple-antenna …