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.
A Physics-informed Airy Beam Learning Framework for Blockage Avoidance in Sub-terahertz Wireless Networks
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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.