2 papers
math.NA2026
Robust Kaczmarz methods for nearly singular linear systems
Yunying Ke, Hao Luo
The Kaczmarz method is an efficient iterative algorithm for large-scale linear systems. However, its linear convergence rate suffers from ill-conditioned problems and is highly sen…
eess.SP2025
Sphere Precoding for Robust Near-Field Communications
Hao Luo, Yu Zhang, Ahmed Alkhateeb
Near-field communication with large antenna arrays promises significant beamforming and multiplexing gains. These communication links, however, are very sensitive to user mobility…