Hybrid analog/digital precoding for downlink massive MIMO LEO satellite communications

L You, X Qiang, KX Li, CG Tsinos… - IEEE Transactions …, 2022 - ieeexplore.ieee.org
Massive multiple-input multiple-output (MIMO) is promising for low earth orbit (LEO) satellite
communications due to the potential in enhancing the spectral efficiency. However, the …

Joint beamforming and power control for throughput maximization in IRS-assisted MISO WPCNs

Y Zheng, S Bi, YJA Zhang, X Lin… - IEEE Internet of Things …, 2020 - ieeexplore.ieee.org
Intelligent reflecting surface (IRS) is an emerging technology to enhance the energy
efficiency and spectrum efficiency of wireless-powered communication networks (WPCNs) …

Time-varying channel prediction for RIS-assisted MU-MISO networks via deep learning

W Xu, J An, Y Xu, C Huang, L Gan… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
To mitigate the effects of shadow fading and obstacle blocking, reconfigurable intelligent
surface (RIS) has become a promising technology to improve the signal transmission quality …

Enhanced secure wireless information and power transfer via intelligent reflecting surface

W Shi, X Zhou, L Jia, Y Wu, F Shu… - IEEE Communications …, 2020 - ieeexplore.ieee.org
In this letter, an intelligent reflecting surface (IRS)-aided secure wireless information and
power transfer system is studied. To maximize the harvested power of energy harvesting …

Reconfigurable intelligent surfaces for energy efficiency in D2D communication network

S Jia, X Yuan, YC Liang - IEEE Wireless Communications …, 2020 - ieeexplore.ieee.org
In this letter, joint power control of D2D users and passive beamforming of reconfigurable
intelligent surfaces (RIS) for a RIS-aided device-to-device (D2D) communication network is …

Robust beamformer design in active RIS-assisted multiuser MIMO cognitive radio networks

R Allu, O Taghizadeh, SK Singh… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
In this work, we address the problem of a joint robust transmission, reflection and reception
strategy design at an active reconfigurable intelligent surface (RIS)-assisted underlay …

UAV-aided aerial reconfigurable intelligent surface communications with massive MIMO system

MHT Nguyen, E Garcia-Palacios… - IEEE Transactions …, 2022 - ieeexplore.ieee.org
To capture the advantages of unmanned aerial vehicle (UAV) and reconfigurable intelligent
surface (RIS) technologies, we propose the use of multiple passive aerial RISs in a massive …

A universal framework for multiport network analysis of reconfigurable intelligent surfaces

M Nerini, S Shen, H Li, M Di Renzo… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
Reconfigurable intelligent surface (RIS) is an emerging paradigm able to control the
propagation environment in wireless systems. Most of the research on RIS has been …

Intelligent-reflecting-surface-aided mobile edge computing with binary offloading: Energy minimization for IoT devices

Y Yang, Y Gong, YC Wu - IEEE Internet of Things Journal, 2022 - ieeexplore.ieee.org
Mobile edge computing (MEC) is envisioned as a promising technique to support
computation-intensive and time-critical applications in future Internet of Things (IoT) era …

RIS-UAV enabled worst-case downlink secrecy rate maximization for mobile vehicles

X Liu, Y Yu, B Peng, XB Zhai, Q Zhu… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
This paper considers worst-case downlink secure communication from base station (BS) to
mobile legitimate vehicle at the presence of an eavesdropper, where reconfigurable …