[HTML][HTML] A survey on user-centric cell-free massive MIMO systems

S Chen, J Zhang, J Zhang, E Björnson, B Ai - Digital Communications and …, 2022 - Elsevier
The mobile data traffic has been exponentially growing during the last several decades. This
was enabled by the densification of the network infrastructure in terms of increased cell …

Application of cell-free massive MIMO in 5G and beyond 5G wireless networks: A survey

HI Obakhena, AL Imoize, FI Anyasi… - Journal of Engineering …, 2021 - Springer
In recent times, the rapid growth in mobile subscriptions and the associated demand for high
data rates fuels the need for a robust wireless network design to meet the required capacity …

Multiple access in cell-free networks: Outage performance, dynamic clustering, and deep reinforcement learning-based design

Y Al-Eryani, M Akrout, E Hossain - IEEE Journal on Selected …, 2020 - ieeexplore.ieee.org
In future cell-free (or cell-less) wireless networks, a large number of devices in a
geographical area will be served simultaneously in non-orthogonal multiple access …

A review of energy efficiency and power control schemes in ultra-dense cell-free massive MIMO systems for sustainable 6G wireless communication

AL Imoize, HI Obakhena, FI Anyasi, SN Sur - Sustainability, 2022 - mdpi.com
The traditional multiple input multiple output (MIMO) systems cannot provide very high
Spectral Efficiency (SE), Energy Efficiency (EE), and link reliability, which are critical to …

Distributed beamforming techniques for cell-free wireless networks using deep reinforcement learning

F Fredj, Y Al-Eryani, S Maghsudi… - IEEE Transactions …, 2022 - ieeexplore.ieee.org
In a cell-free network, a large number of mobile devices are served simultaneously by
several base stations (BSs)/access points (APs) using the same time/frequency resources …

Ultradense Cell-Free Massive MIMO for 6G: Technical Overview and Open Questions

HQ Ngo, G Interdonato, EG Larsson… - Proceedings of the …, 2024 - ieeexplore.ieee.org
Ultradense cell-free massive multiple-input multiple-output (CF-MMIMO) has emerged as a
promising technology expected to meet the future ubiquitous connectivity requirements and …

Uplink fractional power control and downlink power allocation for cell-free networks

R Nikbakht, R Mosayebi… - IEEE Wireless …, 2020 - ieeexplore.ieee.org
This letter proposes respective policies for uplink power control and downlink power
allocation in cell-free wireless networks. Both policies rely only on large-scale quantities and …

Subset MMSE receivers for cell-free networks

M Attarifar, A Abbasfar, A Lozano - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
This paper formulates linear MMSE receivers that are both network-and user-centric for the
uplink of cell-free wireless networks with centralized processing. Precisely, every user's …

A deep neural architecture for real-time access point scheduling in uplink cell-free massive MIMO

M Guenach, AA Gorji… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
In this paper, a novel hybrid architecture is proposed combining expert knowledge for
optimal power allocation and deep artificial neural networks (ANN) to address the access …

Joint power control and pilot assignment in cell-free massive MIMO using deep learning

MU Khan, E Testi, M Chiani… - IEEE Open Journal of the …, 2024 - ieeexplore.ieee.org
Cell-free massive MIMO (CF-mMIMO) networks leverage seamless cooperation among
numerous access points to serve a large number of users over the same time/frequency …