Intelligent reflecting surface (IRS) is a promising technology for enhancing wireless communication systems. It adaptively configures massive passive elements to control channel in desirable way. Due hardware characteristics and deploying environments, an IRS may be subject element blockages failures, hence developing diagnostic techniques of great significance system monitoring maintenance. In...

In this paper, secure transmission in a simultaneous wireless information and power transfer technology-enabled heterogeneous network with the aid of multiple IRSs is investigated. As potential technology for 6G, intelligent reflecting surface (IRS) brings more spatial degrees freedom to enhance physical layer security. Our goal maximize secrecy rate by carefully designing transmit beamforming ...

The growing demand for virtual reality (VR) applications requires wireless systems to provide a high transmission rate support 360-degree video streaming multiple users simultaneously. In this paper, we propose an intelligent reflecting surface (IRS)-aided rate-splitting (RS) VR system. the proposed system, RS facilitates exploitation of shared interests in streaming, and IRS creates additional...

Different from conventional wired line connections, industrial control through wireless transmission is widely regarded as a promising solution due to its reduced cost, increased long-term reliability, and enhanced reliability. However, mission-critical applications impose stringent quality of service (QoS) requirements that entail ultra-reliability low-latency communications (URLLC). The prima...

This paper investigates the impact of intelligent reflecting surface (IRS) enabled wireless secure transmission. Specifically, an IRS is deployed to assist multiple-input multiple-output (MIMO) system enhance secrecy performance, and artificial noise (AN) employed introduce interference degrade reception eavesdropper. To improve we aim maximize achievable rate, subject transmit power constraint...

Intelligent reflecting surface (IRS) is envisioned to be widely applied in future wireless networks. In this paper, we investigate a multi-user communication system assisted by cooperative IRS devices with the capability of energy harvesting. Aiming maximize long-term average achievable rate, an optimization problem formulated jointly designing transmit beamforming at base station (BS) and disc...