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.
Effective DoF-oriented optimal antenna spacing in near-field XL-MIMO systems,
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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.