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cs.IT2025
Beyond Beam Sweeping: One-Shot Satellite Acquisition with Doppler-Aware Rainbow Beamforming
Juha Park, Ian P. Roberts, Wonjae Shin
High-gain beamforming (BF) is essential for low Earth orbit (LEO) satellite communications to overcome severe path loss, but this requires acquiring precise satellite positions. Co…
cs.IT2025
Embracing Beam-Squint Effects for Wideband LEO Satellite Communications: A 3D Rainbow Beamforming Approach
Juha Park, Seokho Kim, Wonjae Shin +1
Low Earth Orbit (LEO) satellite communications (SATCOM) offers high-throughput, low-latency global connectivity to a very large number of users. To accommodate this demand with lim…
cs.IT2025
Rate-Matching Framework for RSMA-Enabled Multibeam LEO Satellite Communications
Jaehyup Seong, Juha Park, Juhwan Lee +4
With the goal of ubiquitous global connectivity, multibeam low Earth orbit (LEO) satellite communication (SATCOM) has attracted significant attention in recent years. The traffic d…