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 …

Energy-efficient cell-free network assisted by hybrid RISs

W Lyu, Y Xiu, S Yang, C Yuen… - IEEE Wireless …, 2023 - ieeexplore.ieee.org
In this letter, we investigate a cell-free network aided by hybrid reconfigurable intelligent
surfaces (RISs), which consists of a mixture of passive and active elements that are capable …

Performance of Multi-RIS-aided Cell-Free Massive MIMO: Do More RISs Always Help?

B Al-Nahhas, M Obeed, A Chaaban… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
Cell free (CF) massive multiple-input multiple-output (mMIMO) is a promising technology in
realizing beyond fifth generation (B5G) networks. Massive deployment of access points …

Performance Analysis and Simulation of IRS-Aided Wireless Networks Communication

O Dikmen - Symmetry, 2024 - mdpi.com
This paper introduces the novel IRS-based Optimal Relay Selection (ORS-IRS) method,
aimed at analyzing the performance of wireless communication systems with an emphasis …

SWIPT-enabled Cell-free Millimeter-wave MIMO with Multiple IRSs

T Do-Duy, NTT Van, NC Luong… - 2023 IEEE Globecom …, 2023 - ieeexplore.ieee.org
In this paper, we investigate a simultaneous wireless information and power transfer
(SWIPT)-enabled cell-free millimeter-wave multiple-input multiple-output (MIMO) system …

A Capacity Enhanced AP-RIS Joint Optimization Scheme for Irregular Intelligent Surface-Assisted Cell-Free Massive MIMO Systems

Z Dai, L Yang, H Fang, Y Qiao… - 2022 IEEE 8th …, 2022 - ieeexplore.ieee.org
Due to its ability to avoid inter-cell interference, cell-free massive multiple-input multiple-
output (MIMO) has become a potential enabling technology for 6G. Reconfigurable …

Deep reinforcement learning for resource allocation in beyond 5G systems

R Huang - 2022 - open.library.ubc.ca
With the rapid development of wireless network-enabled applications, the beyond fifth
generation (B5G) wireless systems are required to support a large number of mobile and …