60 citations · 61 across the 3 of their papers we have counts for
3 papers
eess.SP2025
Beam-Hopping Pattern Design for Grant-Free Random Access in LEO Satellite Communications
Seunghyeon Jeon, Seonjung Kim, Gyeongrae Im +1
Increasing demand for massive device connectivity in underserved regions drives the development of advanced low Earth orbit (LEO) satellite communication systems. Beam-hopping LEO…
eess.SY2024★ 1 cited
LR-FHSS Transceiver for Direct-to-Satellite IoT Communications: Design, Implementation, and Verification
Sooyeob Jung, Seongah Jeong, Jinkyu Kang +5
This paper proposes a long range-frequency hopping spread spectrum (LR-FHSS) transceiver design for the Direct-to-Satellite Internet of Things (DtS-IoT) communication system. The D…
cs.IT2023★ 60 cited
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…