A diffusion model learns the prior for Bayesian near-field wideband XL-MIMO channel estimation and a multi-scale attention denoising network improves performance over baselines.
Spatially non-stationary XL-MIMO channel estimation: A three-layer generalized approximate message passing method,
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Near-Field Wideband Channel Estimation for XL-MIMO Systems via Denoising Diffusion Model
A diffusion model learns the prior for Bayesian near-field wideband XL-MIMO channel estimation and a multi-scale attention denoising network improves performance over baselines.