3 papers
cs.IT2024
Generative Learning Powered Probing Beam Optimization for Cell-Free Hybrid Beamforming
Cheng Zhang, Shuangbo Xiong, Mengqing He +3
Probing beam measurement (PBM)-based hybrid beamforming provides a feasible solution for cell-free MIMO. In this letter, we propose a novel probing beam optimization framework wher…
cs.IT2023
Traffic-Aware Hierarchical Beam Selection for Cell-Free Massive MIMO
Chenyang Wang, Cheng Zhang, Fan Meng +2
Beam selection for joint transmission in cell-free massive multi-input multi-output systems faces the problem of extremely high training overhead and computational complexity. The…
cs.IT2023
Incremental Collaborative Beam Alignment for Millimeter Wave Cell-Free MIMO Systems
Cheng Zhang, Leming Chen, Lujia Zhang +2
Millimeter wave (mmWave) cell-free MIMO achieves an extremely high rate while its beam alignment (BA) suffers from excessive overhead due to a large number of transceivers. Recentl…