3 papers
eess.SP2025
AI-based Environment-Aware XL-MIMO Channel Estimation with Location-Specific Prior Knowledge Enabled by CKM
Yuelong Qiu, Di Wu, Yong Zeng +3
Accurate and efficient acquisition of wireless channel state information (CSI) is crucial to enhance the communication performance of wireless systems. However, with the continuous…
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…