3 papers
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.IT2024
Adaptive Cell Range Expansion in Multi-Band UAV Communication Networks
Xinsong Feng, Ian P. Roberts
This paper leverages stochastic geometry to model, analyze, and optimize multi-band unmanned aerial vehicle (UAV) communication networks operating across low-frequency and millimet…
eess.SP2024
Analog Beamforming Codebooks for Wideband Full-Duplex Millimeter-Wave Systems
Sungho Cho, Ian P. Roberts
In full-duplex millimeter-wave (mmWave) systems, the effects of beam squint and the frequency-selectivity of self-interference exacerbate over wide bandwidths. This complicates the…