Placement Optimization for Multi-IRS-Aided Wireless Communications: An Adaptive Differential Evolution Algorithm
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Wireless Communications Letters"
DOI: 10.1109/lwc.2022.3151074
Abstract: Using intelligent reflecting surfaces (IRSs) is a promising approach to enhance the performance of wireless communication systems. In this letter, the placement optimization of multi-IRSs is investigated in multi-IRS-aided wireless communication systems, with the aim… read more here.
Keywords: placement optimization; optimization multi; irs aided; aided wireless ... See more keywords
Exploring Sum Rate Maximization in UAV-Based Multi-IRS Networks: IRS Association, UAV Altitude, and Phase Shift Design
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Communications"
DOI: 10.1109/tcomm.2022.3206884
Abstract: This paper studies the unmanned aerial vehicle (UAV) based multiple intelligent reflecting surface (IRS) network, where the hovering UAV acts as a base station, and the IRS enhances signal transmission to across obstacle between users… read more here.
Keywords: phase shift; sum rate; multi irs; irs association ... See more keywords
Multi-IRS-Aided Multi-User MIMO in mmWave/THz Communications: A Space-Orthogonal Scheme
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Communications"
DOI: 10.1109/tcomm.2022.3216344
Abstract: Multiple-input multiple-output (MIMO) and intelligent reflecting surface (IRS) are two appealing technologies in millimeter-wave (mmWave) and terahertz (THz) communications. The challenge of combining these two technologies lies in joint design for active beamforming (at the… read more here.
Keywords: space orthogonal; multi user; multi; scheme ... See more keywords
WMMSE-Based Alternating Optimization for Low-Complexity Multi-IRS MIMO Communication
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Vehicular Technology"
DOI: 10.1109/tvt.2022.3185091
Abstract: Recently, intelligent reflecting surface (IRS) has emerged as a promising cost-efficient technology to enhance communication performance. In this paper, we start with a single-user IRS-assisted multiple-input-multiple-output (MIMO) system, aiming to maximize spectral efficiency. To deal… read more here.
Keywords: based alternating; wmmse based; low complexity; communication ... See more keywords