7 papers
Unlocking the Potential of Movable Antennas: General and Practical Antenna Position Optimization
Weidong Mei, Changhao Liu, Dong Wang +6
Recently, movable antenna (MA) has attracted wide attention in wireless communications due to its potential in enhancing wireless communication performance via local movement withi…
Terahertz Beam Squint Mitigation via Six-Dimensional Movable Antennas
Yike Xie, Weidong Mei, Dong Wang +5
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,…
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…
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,…
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…