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cs.IT2024
Joint Beamforming Optimization and Mode Selection for RDARS-Aided MIMO Systems
Jintao Wang, Chengzhi Ma, Shiqi Gong +2
Reconfigurable intelligent surface (RIS) has emerged as a cost-effective solution for green communications in 6G. However, its further extensive use has been greatly limited due to…
cs.IT2023
RDARS Empowered Massive MIMO System: Two-Timescale Transceiver Design with Imperfect CSI
Chengzhi Ma, Jintao Wang, Xi Yang +3
In this paper, we investigate a novel reconfigurable distributed antennas and reflecting surface (RDARS) aided multi-user massive MIMO system with imperfect CSI and propose a pract…
cs.IT2023
A Low-Overhead Incorporation-Extrapolation based Few-Shot CSI Feedback Framework for Massive MIMO Systems
Binggui Zhou, Xi Yang, Jintao Wang +3
Accurate channel state information (CSI) is essential for downlink precoding in frequency division duplexing (FDD) massive multiple-input multiple-output (MIMO) systems with orthog…