Y Gao, C Yong, Z Xiong, J Zhao… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
In this paper, the adoption of an intelligent reflecting surface (IRS) for multiple user pairs in two-hop networks is investigated. Different from the existing studies on IRS that mainly …
Intelligent reflecting surface (IRS) is a promising technology to enable programmable wireless propagation environments, by dynamically adjusting its phase shifters. Unlike most …
MM Zhao, Q Wu, MJ Zhao… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
Intelligent reflecting surface (IRS) has drawn a lot of attention recently as a promising new solution to achieve high spectral and energy efficiency for future wireless networks. By …
This paper proposes a deep reinforcement learning (DRL) based passive beamforming design in a reconfigurable intelligent surface (RIS) aided multi-user wireless network. In …
J Xiong, L You, DWK Ng, C Yuen… - … 2020-2020 IEEE …, 2020 - ieeexplore.ieee.org
We study the tradeoff between energy efficiency (EE) and spectral efficiency (SE) in multiuser multiple-input multiple-output (MIMO) uplink communications aided by a …
W Liu, X He, H Xu, Z Wang, A Zhou - Physical Communication, 2023 - Elsevier
In this paper, we consider a downlink multiple-input single-output (MISO) system for enhanced mobile broadband (eMBB) and ultra-reliable and low-latency communication …
L Zhang, Q Wang, H Wang, P Chen, H Chen… - arXiv preprint arXiv …, 2022 - arxiv.org
In this work, two problems associated with a downlink multi-user system are considered with the aid of intelligent reflecting surface (IRS): weighted sum-rate maximization and weighted …
J Zhang, Z Wang, J Li, Q Wu, W Chen… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
In an intelligent reflecting surface (IRS)-assisted wireless communication system, obtaining the real-time channel state information (CSI) through channel estimation (CE) is crucial for …
M Munawar, K Lee - IEEE Transactions on Vehicular …, 2022 - ieeexplore.ieee.org
To maximize the signal strength in an intelligent reflecting surface (IRS)-assisted wireless network, semidefinite relaxation (SDR) and alternating optimization (AO) methods are widely …