RIS-aided cell-free massive MIMO systems for 6G: Fundamentals, system design, and applications

E Shi, J Zhang, H Du, B Ai, C Yuen… - Proceedings of the …, 2024 - ieeexplore.ieee.org
An introduction of intelligent interconnectivity for people and things has posed higher
demands and more challenges for sixth-generation (6G) networks, such as high spectral …

Joint beamforming design for RIS-assisted cell-free network with multi-hop transmissions

D Shen, Z Zhang, L Dai - Tsinghua Science and Technology, 2023 - ieeexplore.ieee.org
The collaboration of multiple Reconfigurable Intelligent Surfaces (RISs) and Access Points
(APs) enjoys advantages of capacity enhancement, power saving, etc., making the RIS …

Performance Analysis of RIS-Aided CF-MMIMO Systems With Variant Conjugate Beamforming Under Correlated Rician Fading Channels

Y Zhang, W Xia, G Zheng… - IEEE Transactions …, 2024 - ieeexplore.ieee.org
In this paper, we investigate a downlink (DL) cell-free massive multiple-input multiple-output
(CF-mMIMO) system equipped with reconfigurable intelligent surfaces (RISs) and explore …