3 papers
cs.IT2025
Analysis of Beam Misalignment Effect in Inter-Satellite FSO Links
Minje Kim, Hongjae Nam, Beomsoo Ko +4
Free-space optical (FSO) communication has emerged as a promising technology for inter-satellite links (ISLs) due to its high data rate, low power consumption, and reduced interfer…
cs.NI2025
Using Age of Information for Throughput Optimal Spectrum Sharing
Hongjae Nam, Vishrant Tripathi, David J. Love
We consider a spectrum sharing problem where two users attempt to communicate over N channels. The Primary User (PU) has prioritized transmissions and its occupancy on each channel…
cs.IT2024
Modeling and Analysis of Hybrid GEO-LEO Satellite Networks
Dong-Hyun Jung, Hongjae Nam, Junil Choi +1
As the number of low Earth orbit (LEO) satellites rapidly increases, the consideration of frequency sharing or cooperation between geosynchronous Earth orbit (GEO) and LEO satellit…