An anchor-free near-field localization framework using optimized passive RIS configurations and a two-stage cosine-similarity grid search delivers small root mean square error for practical SNR, RIS size, and antenna counts.
Anchor-free relative 3D pose estimation using ultra-wideband and inertial data fusion
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Near-field Anchor-free Localization using Reconfigurable Intelligent Surfaces
An anchor-free near-field localization framework using optimized passive RIS configurations and a two-stage cosine-similarity grid search delivers small root mean square error for practical SNR, RIS size, and antenna counts.