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cs.IT2025
Graph Neural Network based Active and Passive Beamforming for Distributed STAR-RIS-Assisted Multi-User MISO Systems
Ha An Le, Trinh Van Chien, Wan Choi
This paper investigates a joint active and passive beamforming design for distributed simultaneous transmitting and reflecting (STAR) reconfigurable intelligent surface (RIS) assis…
cs.IT2024
Analog-Digital Beam Focusing for Line of Sight Wide-Aperture MIMO with Spherical Wavefronts
Jiyoung Yun, Hojun Rho, Wan Choi
Enhancing high-speed wireless communication in the future relies significantly on harnessing high frequency bands effectively. These bands predominantly operate in line-of-sight (L…