21 citations · 21 across the 3 of their papers we have counts for
3 papers
cs.IT2024
Multi-Group Multicasting Systems Using Multiple RISs
Hyeongtaek Lee, Seungsik Moon, Youngjoo Lee +3
In this paper, practical utilization of multiple distributed reconfigurable intelligent surfaces (RISs), which are able to conduct group-specific operations, for multi-group multic…
cs.IT2024
Joint Downlink and Uplink Optimization for RIS-Aided FDD MIMO Communication Systems
Gyoseung Lee, Hyeongtaek Lee, Donghwan Kim +3
This paper investigates reconfigurable intelligent surface (RIS)-aided frequency division duplexing (FDD) communication systems. Since the downlink and uplink signals are simultane…
cs.IT2023★ 21 cited
Channel Estimation for Reconfigurable Intelligent Surface with a few Active Elements
Gyoseung Lee, Hyeongtaek Lee, Jaeky Oh +2
In this paper, a channel estimation technique for reconfigurable intelligent surface (RIS)-aided multi-user multiple-input single-output communication systems is proposed. By deplo…