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cs.IT2023
Near-Field Beam Training: Joint Angle and Range Estimation with DFT Codebook
Xun Wu, Changsheng You, Jiapeng Li +1
Prior works on near-field beam training have mostly assumed dedicated polar-domain codebook and on-grid range estimation, which, however, may suffer long training overhead and degr…
cs.IT2022
Fast Near-Field Beam Training for Extremely Large-Scale Array
Yunpu Zhang, Xun Wu, Changsheng You
In this letter, we study efficient near-field beam training design for the extremely large-scale array (XL-array) communication systems. Compared with the conventional far-field be…