AI RESEARCH
Null-Space Flow Matching for MIMO Channel Estimation in Latency-Constrained Systems
arXiv CS.LG
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ArXi:2604.22005v1 Announce Type: cross Accurate yet low-latency channel state information (CSI) acquisition is essential for multiple-input multiple-output (MIMO) communication systems. While advanced deep generative models, such as score-based and diffusion models, enable high-fidelity CSI reconstruction from limited pilot observations, they often suffer from high inference latency.