Derives a generic DoF metric for NF UM-MIMO multipath channels as the effective union of per-path contributions (electrical aperture times subtended solid angle), with eigenvalue-to-power mapping, validated via simulations and 28-30 GHz measurements with 720 elements.
Near-field communications: A degree-of-freedom perspective
2 Pith papers cite this work. Polarity classification is still indexing.
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Fixing arc length, curving a large array shrinks its near-field region in front but grows it to the sides, and a learned AMP estimator recovers non-stationary near-field channels for arbitrary geometries.
citing papers explorer
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On Spatial Degree-of-Freedom Analysis of Near-Field Multipath Channels for Ultra-massive MIMO Systems
Derives a generic DoF metric for NF UM-MIMO multipath channels as the effective union of per-path contributions (electrical aperture times subtended solid angle), with eigenvalue-to-power mapping, validated via simulations and 28-30 GHz measurements with 720 elements.
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Near-Field Communications with Different Array Geometries: Rayleigh Distance, Channel Estimation, and Transmission Design
Fixing arc length, curving a large array shrinks its near-field region in front but grows it to the sides, and a learned AMP estimator recovers non-stationary near-field channels for arbitrary geometries.