3 papers
cs.IT2026
Recent Advances in Near-Field Beam Training and Channel Estimation for XL-MIMO Systems
Ming Zeng, Ji Wang, Wanming Hao +3
Extremely large-scale multiple-input multiple-output (XL-MIMO) is a key technology for next-generation wireless communication systems. By deploying significantly more antennas than…
cs.IT2025
Mode Switching-based STAR-RIS with Discrete Phase Shifters
MohammadHossein Alishahi, Ming Zeng, Paul Fortier +3
The increasing demand for cost-effective, high-speed Internet of Things (IoT) applications in the coming sixth-generation (6G) networks has driven research toward maximizing spectr…
cs.IT2025
Wideband Beamforming for RIS Assisted Near-Field Communications
Ji Wang, Jian Xiao, Yixuan Zou +2
A near-field wideband beamforming scheme is investigated for reconfigurable intelligent surface (RIS) assisted multiple-input multiple-output (MIMO) systems, in which a deep learni…