most citedRIS-aided Near-Field MIMO Communications: Codebook and Beam Training Design

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cs.IT2023★ 1 cited

RIS-aided Near-Field MIMO Communications: Codebook and Beam Training Design

Suyu Lv, Yuanwei Liu, Xiaodong Xu +2

Downlink reconfigurable intelligent surface (RIS)-assisted multi-input-multi-output (MIMO) systems are considered with far-field, near-field, and hybrid-far-near-field channels. Ac…