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 …

RIS-assisted cell-free massive MIMO relying on reflection pattern modulation

Z Sui, HQ Ngo, T Van Chien… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
We propose reflection pattern modulation-aided reconfigurable intelligent surface (RPM-
RIS)-assisted cell-free massive multiple-input-multiple-output (CF-mMIMO) schemes for …

Uplink Performance and Beamforming Design of SIM-enhanced Cell-Free Massive MIMO Systems

E Shi, J Zhang, Y Zhu, Z Liu, J An… - 2024 IEEE VTS Asia …, 2024 - ieeexplore.ieee.org
In this paper, we explore the integration of low-power, low-cost stacked intelligent
metasurfaces (SIM) into cell-free (CF) massive multiple-input multiple-output (mMIMO) …

Optimizing Spectral Efficiency: An SNV Scheme for IoT-Enabled CF mMIMO Networks

A Siddiqa, J Seo, MM Saad… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
Future wireless networks are expected to achieve uniform quality of service (QoS) and
seamless connectivity across vast coverage areas. Cell-free (CF) massive multiple-input …

Near-Field Cell-Free Massive MIMO With Channel Aging: A Modified LoS Model

M Xie, X Yu, X Dang, BH Soong… - IEEE Wireless …, 2024 - ieeexplore.ieee.org
In this paper, we propose a novel and modified beam-steering model based on
asynchronous reception under a near-field cell-free massive multiple-input-multiple-output …