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cs.IT2024
Analog-Only Beamforming for Near-Field Multiuser MIMO Communications
Ying Wang, Chenhao Qi
For the existing near-field multiuser communications based on hybrid beamforming (HBF) architectures, high-quality effective channel estimation is required to obtain the channel st…
cs.IT2024
Hybrid Beamforming Design for Covert mmWave MIMO with Finite-Resolution DACs
Wei Ci, Chenhao Qi, Xiaohu You
We investigate hybrid beamforming design for covert millimeter wave multiple-input multiple-output systems with finite-resolution digital-to-analog converters (DACs), which impose…