468 citations · 1.9k across the 64 of their papers we have counts for
4 papers · 2 filters
Satellite Clusters Flying in Formation: Orbital Configuration-Dependent Performance Analyses
Dong-Hyun Jung, Joon-Gyu Ryu, Junil Choi
This paper considers a downlink satellite communication system where a satellite cluster, i.e., a satellite swarm consisting of one leader and multiple follower satellites, serves…
WiThRay: A Versatile Ray-Tracing Simulator for Smart Wireless Environments
Hyuckjin Choi, Jaehoon Chung, Jaeky Oh +2
This paper presents the development and evaluation of WiThRay, a new wireless three-dimensional ray-tracing (RT) simulator. RT-based simulators are widely used for generating reali…
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…
Satellite Clustering for Non-Terrestrial Networks: Concept, Architectures, and Applications
Dong-Hyun Jung, Gyeongrae Im, Joon-Gyu Ryu +3
Recently, mega-constellations with a massive number of low Earth orbit (LEO) satellites are being considered as a possible solution for providing global coverage due to relatively…