Cell-free massive MIMO: A survey

S Elhoushy, M Ibrahim… - … Surveys & Tutorials, 2021 - ieeexplore.ieee.org
Towards a fully connected intelligent digital world, 5G and beyond networks experience a
new era of Internet of intelligence with connected people and things. This new era brings …

User-centric cell-free massive MIMO networks: A survey of opportunities, challenges and solutions

HA Ammar, R Adve, S Shahbazpanahi… - … Surveys & Tutorials, 2021 - ieeexplore.ieee.org
Densification of network base stations is indispensable to achieve the stringent Quality of
Service (QoS) requirements of future mobile networks. However, with a dense deployment of …

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 …

[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 …

Intelligent reflecting surface-aided joint processing coordinated multipoint transmission

M Hua, Q Wu, DWK Ng, J Zhao… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
This article investigates intelligent reflecting surface (IRS)-aided multicell wireless networks,
where an IRS is deployed to assist the joint processing coordinated multipoint (JP-CoMP) …

[HTML][HTML] 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 …

[HTML][HTML] 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 …

Performance analysis of RIS-assisted cell-free massive MIMO systems with transceiver hardware impairments

Y Zhang, W Xia, H Zhao, G Zheng… - IEEE Transactions …, 2023 - ieeexplore.ieee.org
Integrating reconfigurable intelligent surface (RIS) into cell-free massive multiple-input
multiple-output (MIMO) is a promising approach to enhance the coverage quality, spectral …

Uplink performance of cell-free massive MIMO over spatially correlated Rician fading channels

Z Wang, J Zhang, E Björnson… - IEEE Communications …, 2020 - ieeexplore.ieee.org
We consider a practical cell-free massive multiple-input-multiple-output (MIMO) system with
multi-antenna access points (APs) and spatially correlated Rician fading channels. The …

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 …