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cs.IT2024
LEO Satellite-Enabled Random Access with Large Differential Delay and Doppler Shift
Boxiao Shen, Yongpeng Wu, Wenjun Zhang +2
This paper investigates joint device identification, channel estimation, and symbol detection for LEO satellite-enabled grant-free random access systems, specifically targeting sce…
cs.IT2024
Massive MIMO-OTFS-Based Random Access for Cooperative LEO Satellite Constellations
Boxiao Shen, Yongpeng Wu, Shiqi Gong +3
This paper investigates joint device identification, channel estimation, and symbol detection for cooperative multi-satellite-enhanced random access, where orthogonal time-frequenc…