9 citations · 13 across the 5 of their papers we have counts for
5 papers
Multi-User Wireless Communications with Holographic MIMO Surfaces: A Convenient Channel Model and Spectral Efficiency Analysis
Li Wei, Chongwen Huang, George C. Alexandropoulos +4
The multi-user Holographic Multiple-Input and Multiple-Output Surface (MU-HMIMOS) paradigm, which is capable of realizing large continuous apertures with minimal power consumption…
Joint Channel Estimation and Signal Recovery in RIS-Assisted Multi-User MISO Communications
Li Wei, Chongwen Huang, George C. Alexandropoulos +3
Reconfigurable Intelligent Surfaces (RISs) have been recently considered as an energy-efficient solution for future wireless networks. Their dynamic and low-power configuration ena…
Hybrid Beamforming for RIS-Empowered Multi-hop Terahertz Communications: A DRL-based Method
Chongwen Huang, Zhaohui Yang, George C. Alexandropoulos +4
Wireless communication in the TeraHertz band (0.1--10 THz) is envisioned as one of the key enabling technologies for the future six generation (6G) wireless communication systems.…
Parallel Factor Decomposition Channel Estimation in RIS-Assisted Multi-User MISO Communication
Li Wei, Chongwen Huang, George C. Alexandropoulos +1
Reconfigurable Intelligent Surfaces (RISs) have been recently considered as an energy-efficient solution for future wireless networks due to their fast and low power configuration…
Model-Driven Channel Estimation for OFDM Systems Based on Image Super-Resolution Network
Xin Ru, Li Wei, Youyun Xu
In this paper, we propose a model-driven channel estimation method utilizing a convolutional neural network (CNN) derived from image super-resolution (SR). Instead of completely ab…