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 …

Foundations of user-centric cell-free massive MIMO

ÖT Demir, E Björnson… - Foundations and Trends …, 2021‏ - nowpublishers.com
Imagine a coverage area where each mobile device is communicating with a preferred set of
wireless access points (among many) that are selected based on its needs and cooperate to …

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 …

On the uplink max–min SINR of cell-free massive MIMO systems

M Bashar, K Cumanan, AG Burr… - IEEE Transactions …, 2019‏ - ieeexplore.ieee.org
A cell-free massive multiple-input multiple-output system is considered using a max-min
approach to maximize the minimum user rate with per-user power constraints. First, an …

Cell-free millimeter-wave massive MIMO systems with limited fronthaul capacity

G Femenias, F Riera-Palou - IEEE Access, 2019‏ - ieeexplore.ieee.org
Network densification, massive multiple-input multiple-output (MIMO), and millimeter-wave
(mmWave) bands have recently emerged as some of the physical layer enablers for the …

Performance analysis and power control of cell-free massive MIMO systems with hardware impairments

J Zhang, Y Wei, E Björnson, Y Han, S ** - IEEE Access, 2018‏ - ieeexplore.ieee.org
As an interesting network architecture for future wireless communication systems, cellfree
(CF) massive multiple-input multiple-output (MIMO) distributes an excess number of access …

Next-Generation Multiple Access With Cell-Free Massive MIMO

M Mohammadi, Z Mobini, HQ Ngo… - Proceedings of the …, 2024‏ - ieeexplore.ieee.org
To meet the unprecedented mobile traffic demands of future wireless networks, a paradigm
shift from conventional cellular networks to distributed communication systems is imperative …

Energy-efficient access-point sleep-mode techniques for cell-free mmWave massive MIMO networks with non-uniform spatial traffic density

J García-Morales, G Femenias, F Riera-Palou - IEEE access, 2020‏ - ieeexplore.ieee.org
Cell-free massive multiple-input multiple-output (MIMO) is a novel beyond 5G (B5G) and 6G
paradigm that, through the use of a common central processing unit (CPU), coordinates a …

Access point switch ON/OFF strategies for green cell-free massive MIMO networking

G Femenias, N Lassoued, F Riera-Palou - IEEE access, 2020‏ - ieeexplore.ieee.org
The combination of user-centric network densification and distributed massive multiple-input
multiple-output (MIMO) operation has recently brought along a new paradigm in the wireless …

On the performance of cell-free massive MIMO relying on adaptive NOMA/OMA mode-switching

M Bashar, K Cumanan, AG Burr… - IEEE Transactions …, 2019‏ - ieeexplore.ieee.org
The downlink (DL) of a non-orthogonal-multiple-access (NOMA)-based cell-free massive
multiple-input multiple-output (MIMO) system is analyzed, where the channel state …