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 …

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 …

Cell-free massive MIMO: A new next-generation paradigm

J Zhang, S Chen, Y Lin, J Zheng, B Ai, L Hanzo - IEEE Access, 2019 - ieeexplore.ieee.org
Cell-free (CF) massive multiple-input-multiple-output (MIMO) systems have a large number
of individually controllable antennas distributed over a wide area for simultaneously serving …

Reconfigurable intelligent surface-assisted cell-free massive MIMO systems over spatially-correlated channels

T Van Chien, HQ Ngo, S Chatzinotas… - IEEE Transactions …, 2021 - ieeexplore.ieee.org
Cell-Free Massive multiple-input multiple-output (MIMO) and reconfigurable intelligent
surface (RIS) are two promising technologies for application to beyond-5G networks. This …

Impact of channel aging on cell-free massive MIMO over spatially correlated channels

J Zheng, J Zhang, E Björnson… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
In this paper, we investigate the impact of channel aging on the performance of cell-free (CF)
massive multiple-input multiple-output (MIMO) systems with both spatial correlation and pilot …

Performance analysis of cell-free massive MIMO system with limited fronthaul capacity and hardware impairments

H Masoumi, MJ Emadi - IEEE Transactions on Wireless …, 2019 - ieeexplore.ieee.org
We study uplink of cell-free massive multiple-input multiple-output system with limited
capacity fronthaul link connecting each access point (AP) to a central processing unit (CPU) …

Downlink resource allocation in multiuser cell-free MIMO networks with user-centric clustering

HA Ammar, R Adve, S Shahbazpanahi… - IEEE Transactions …, 2021 - ieeexplore.ieee.org
In this paper, we optimize user scheduling, power allocation and beamforming in distributed
multiple-input multiple-output (MIMO) networks implementing user-centric clustering. We …

Game theoretic approach for multipriority data transmission in 5G vehicular networks

G Sun, L Sheng, L Luo, H Yu - IEEE Transactions on Intelligent …, 2022 - ieeexplore.ieee.org
The vehicle-to-vehicle (V2V) communication driven by the fifth generation (5G) cellular
mobile network with the features of ultra-high reliability and low latency provides promising …

Downlink spectral efficiency of cell-free massive MIMO systems with multi-antenna users

TC Mai, HQ Ngo, TQ Duong - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
This paper studies a cell-free massive multiple-input multiple-output (MIMO) system where
its access points (APs) and users are equipped with multiple antennas. Two transmission …