25 citations · 25 across the 4 of their papers we have counts for
4 papers
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…
Joint Power Allocation and User Scheduling in Integrated Satellite-Terrestrial Cell-Free Massive MIMO IoT Systems
Trinh Van Chien, Ha An Le, Ta Hai Tung +2
Both space and ground communications have been proven effective solutions under different perspectives in Internet of Things (IoT) networks. This paper investigates multiple-access…
Double RIS-Assisted MIMO Systems Over Spatially Correlated Rician Fading Channels and Finite Scatterers
Ha An Le, Trinh Van Chien, Van Duc Nguyen +1
This paper investigates double RIS-assisted MIMO communication systems over Rician fading channels with finite scatterers, spatial correlation, and the existence of a double-scatte…
RIS-Assisted MIMO Communication Systems: Model-based versus Autoencoder Approaches
Ha An Le, Trinh Van Chien, Van Duc Nguyen +1
This paper considers reconfigurable intelligent surface (RIS)-assisted point-to-point multiple-input multiple-output (MIMO) communication systems, where a transmitter communicates…