A diffusion transformer directly maps noisy MIMO channel observations to clean estimates in a single pass by exploiting angular sparsity, achieving better accuracy and much lower complexity than iterative diffusion baselines.
Dpm-solver-2m: A fast multis tep dpm- solver-based scheme for real-time mimo channel estimation ,
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Sampling-Free Diffusion Transformers for Low-Complexity MIMO Channel Estimation
A diffusion transformer directly maps noisy MIMO channel observations to clean estimates in a single pass by exploiting angular sparsity, achieving better accuracy and much lower complexity than iterative diffusion baselines.