RIS-Assisted mmWave MIMO Communications With Finite-Alphabet Inputs and Partial CSI

H Xu, C Ouyang, H Yang - IEEE Wireless Communications …, 2024‏ - ieeexplore.ieee.org
A reconfigurable intelligent surface (RIS)-assisted transmission framework is proposed for
millimeter wave (mmWave) multiple-input multiple-output systems having finite-alphabet …

Symbol-Level Physical Layer Security Design in Space-Air-Ground Integrated Networks

G **a, Q Shi, X Hu, X Zhou, F Shu - IEEE Transactions on …, 2025‏ - ieeexplore.ieee.org
In the down-link secure space-air-ground integrated network (SAGIN) with practical discrete
modulation symbols, we consider the joint design of the power of satellite and unmanned …

Performance of intelligent reflecting surface-based wireless communications using QAM signaling

D Dixit, KC Joshi, S Sharma - 2023 IEEE Global Conference on …, 2023‏ - ieeexplore.ieee.org
In this paper, we analyze the performance of bandwidth-efficient quadrature amplitude
modulation (QAM) techniques for intelligent reflecting surface (IRS)-assisted wireless …

Reconfigurable Intelligent Surfaces Assisted Multicast Transmissions With Finite-Alphabet Inputs

H Xu, S Qi, Y Sun, C Ouyang… - IEEE Transactions on …, 2024‏ - ieeexplore.ieee.org
Given its ability to intelligently modify the wireless propagation environment, reconfigurable
intelligent surface (RIS) emerges as a promising technology to enhance the capacity of …