725 citations · 1.3k across the 15 of their papers we have counts for
15 papers
Holographic MIMO Communications with Arbitrary Surface Placements: Near-Field LoS Channel Model and Capacity Limit
Tierui Gong, Li Wei, Chongwen Huang +4
Envisioned as one of the most promising technologies, holographic multiple-input multiple-output (H-MIMO) recently attracts notable research interests for its great potential in ex…
A Generalized Electromagnetic-Domain Channel Modeling for LOS Holographic MIMO with Arbitrary Surface Placements
Tierui Gong, Li Wei, Zhijia Yang +2
Holographic multiple-input multiple-output (H-MIMO) is considered as one of the most promising technologies to enable future wireless communications in supporting the expected extr…
Channel Modeling and Multi-User Precoding for Tri-Polarized Holographic MIMO Communications
Li Wei, Chongwen Huang, George C. Alexandropoulos +5
This paper studies the exploitation of triple polarization (TP) for multi-user (MU) holographic multiple-input multiple-output surface (HMIMOS) wireless communication systems, aimi…
Holographic MIMO Communications: Theoretical Foundations, Enabling Technologies, and Future Directions
Tierui Gong, Panagiotis Gavriilidis, Ran Ji +7
Future wireless systems are envisioned to create an endogenously holography-capable, intelligent, and programmable radio propagation environment, that will offer unprecedented capa…
Tri-Polarized Holographic MIMO Surface in Near-Field: Channel Modeling and Precoding Design
Li Wei, Chongwen Huang, George C. Alexandropoulos +6
This paper investigates the utilization of triple polarization (TP) for multi-user (MU) holographic multiple-input multi-output surface (HMIMOS) wireless communication systems, tar…
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…
Multi-User Holographic MIMO Surfaces: Channel Modeling 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 for RIS-Empowered Multi-User Communications
Li Wei, Chongwen Huang, Qinghua Guo +5
Reconfigurable intelligent surfaces (RISs) have been recently considered as a promising candidate for energy-efficient solutions in future wireless networks. Their dynamic and lowp…
Multi-hop RIS-Empowered Terahertz Communications: A DRL-based Hybrid Beamforming Design
Chongwen Huang, Zhaohui Yang, George C. Alexandropoulos +5
Wireless communication in the TeraHertz band (0.1--10 THz) is envisioned as one of the key enabling technologies for the future sixth generation (6G) wireless communication systems…
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.…
Channel Estimation for RIS-Empowered Multi-User MISO Wireless 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 due to their fast and low-power configuration,…
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…
Robust frequency offset estimator for OFDM over fast varying multipath channel
Li Wei, Youyun Xu, Yueming Cai +1
This paper presents a robust carrier frequency offset(CFO) estimation algorithm suitable for fast varying multipath channels. The proposed algorithm estimates CFO both in time-doma…