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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.SP2023
Joint Source-Channel Coding for Channel-Adaptive Digital Semantic Communications
Joohyuk Park, Yongjeong Oh, Seonjung Kim +1
In this paper, we propose a novel joint source-channel coding (JSCC) approach for channel-adaptive digital semantic communications. In semantic communication systems with digital m…