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eess.SP2026
Timing-Aware Satellite Association for Multi-LEO Direct-to-Handset Communications
Hyunwoo Lee, Incheol Hwang, Daesik Hong
The rapid deployment of large-scale low Earth orbit (LEO) satellite constellations has positioned direct-to-handset (D2H) communications as a key enabler of future non-terrestrial…
eess.SP2025
Random Access for LEO Satellite Communication Systems via Deep Learning
Hyunwoo Lee, Ian P. Roberts, Jinkyo Jeong +1
Integrating contention-based random access procedures into low Earth orbit (LEO) satellite communication (SatCom) systems poses new challenges, including long propagation delays, l…
eess.SP2025
Can TDD Be Employed in LEO SatCom Systems? Challenges and Potential Approaches
Hyunwoo Lee, Ian P. Roberts, Jehyun Heo +4
Frequency-division duplexing (FDD) remains the de facto standard in modern low Earth orbit (LEO) satellite communication (SatCom) systems, such as SpaceX's Starlink, OneWeb, and Am…