SIM-aided near-field channel and localization estimation via multiport network theory achieves performance comparable to fully digital solutions with drastically fewer RF chains.
Channel estimation for stacked intelligent metasurfaces in rician fading channels
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SIM-Aided Near-Field Channel and Localization Estimation With Dimensionality Reduction: A Multiport Network Theory Approach
SIM-aided near-field channel and localization estimation via multiport network theory achieves performance comparable to fully digital solutions with drastically fewer RF chains.