Near-Field Beam Training: Joint Angle and Range Estimation With DFT Codebook - Wu, Xun; You, Changsheng; Li, Jiapeng; Zhang, Yunpu (IEEE transactions on wireless communications, 2024)
Keywords: Accuracy; Angles (geometry); Antennas; Array signal processing; beam training; Beamforming; Discrete Fourier transforms; Estimates; Estimation; Extremely large-scale array (XL-array); Far fields; Fourier transforms; Near fields; near-field communication; Pattern analysis; Signal to noise ratio; Training; Wireless communication