A diffusion model learns the prior for Bayesian near-field wideband XL-MIMO channel estimation and a multi-scale attention denoising network improves performance over baselines.
Near-field beam focusing for wireless power transfer with dynamic metasurface antennas
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An alternating SDP-based optimization for power splitting and beamforming in DMA-aided MU-MISO SWIPT systems under Lorentzian-constrained holography reduces transmit power relative to baselines in simulations.
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Near-Field Wideband Channel Estimation for XL-MIMO Systems via Denoising Diffusion Model
A diffusion model learns the prior for Bayesian near-field wideband XL-MIMO channel estimation and a multi-scale attention denoising network improves performance over baselines.
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DMA-Aided MU-MISO Systems for Power Splitting SWIPT via Lorentzian-Constrained Holography
An alternating SDP-based optimization for power splitting and beamforming in DMA-aided MU-MISO SWIPT systems under Lorentzian-constrained holography reduces transmit power relative to baselines in simulations.