The work introduces a two-stage non-uniform polar codebook and a fast-scanning 1D codebook for Airy beam training that cut overhead by 54% and 93% respectively versus prior hierarchical methods while preserving spectral efficiency.
Airy beam engineerin g in near- field communications: A tractable closed-form analysis in t he terahertz band
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An analytical framework characterizes Airy beam propagation in near-field XL-MIMO, derives aperture and spacing constraints for distortion-free trajectories, and quantifies trade-offs versus Gaussian beams.
citing papers explorer
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Efficient Airy Beam Training for Quasi-LoS Terahertz Near-Field Communications
The work introduces a two-stage non-uniform polar codebook and a fast-scanning 1D codebook for Airy beam training that cut overhead by 54% and 93% respectively versus prior hierarchical methods while preserving spectral efficiency.
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Analytical Framework of Airy Beams in Near-Field XL-MIMO: From Ideal Optics to Wireless Reality
An analytical framework characterizes Airy beam propagation in near-field XL-MIMO, derives aperture and spacing constraints for distortion-free trajectories, and quantifies trade-offs versus Gaussian beams.