2 papers
cs.IT2024
Joint Beamforming and Illumination Pattern Design for Beam-Hopping LEO Satellite Communications
Jing Wang, Chenhao Qi, Shui Yu +1
Since hybrid beamforming (HBF) can approach the performance of fully-digital beamforming (FDBF) with much lower hardware complexity, we investigate the HBF design for beam-hopping…
cs.IT2024
Refracting Reconfigurable Intelligent Surface Assisted URLLC for Millimeter Wave High-Speed Train Communication Coverage Enhancement
Changzhu Liu, Ruisi He, Yong Niu +3
High-speed train (HST) has garnered significant attention from both academia and industry due to the rapid development of railways worldwide. Millimeter wave (mmWave) communication…