5 papers · 1 filter
Movable Antenna Enhanced Multi-Region Beam Coverage: A Multi-Notch-Filter-Inspired Design
Dong Wang, Weidong Mei, Zhi Chen +1
Movable antenna (MA) has emerged as a promising technology to enhance wireless communication performance by exploiting the new degree of freedom (DoF) via antenna position optimiza…
Power-Measurement-Based Channel Estimation for Beyond Diagonal RIS
Yijie Liu, Weidong Mei, He Sun +2
Beyond diagonal reconfigurable intelligent surface (BD-RIS), with its enhanced degrees of freedom compared to conventional RIS, has demonstrated notable potential for enhancing wir…
Near-Field THz Bending Beamforming: A Convex Optimization Perspective
Aoran Liu, Weidong Mei, Peilan Wang +4
Terahertz (THz) communication systems suffer severe blockage issues, which may significantly degrade the communication coverage and quality. Bending beams, capable of adjusting the…
THz Beam Squint Mitigation via 3D Rotatable Antennas
Yike Xie, Weidong Mei, Dong Wang +4
Analog beamforming holds great potential for future terahertz (THz) communications due to its ability to generate high-gain directional beams with low-cost phase shifters.However,…
STAR-RIS-Enabled Multi-Path Beam Routing with Passive Beam Splitting
Bonan An, Weidong Mei, Yuanwei Liu +2
Reconfigurable intelligent surfaces (RISs) can be densely deployed in the environment to create multi-reflection line-of-sight (LoS) links for signal coverage enhancement. However,…