On the road to 6G: Visions, requirements, key technologies, and testbeds

CX Wang, X You, X Gao, X Zhu, Z Li… - … Surveys & Tutorials, 2023 - ieeexplore.ieee.org
Fifth generation (5G) mobile communication systems have entered the stage of commercial
deployment, providing users with new services, improved user experiences as well as a host …

Towards 6G wireless communication networks: Vision, enabling technologies, and new paradigm shifts

X You, CX Wang, J Huang, X Gao, Z Zhang… - Science China …, 2021 - Springer
The fifth generation (5G) wireless communication networks are being deployed worldwide
from 2020 and more capabilities are in the process of being standardized, such as mass …

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 …

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 …

Prospective multiple antenna technologies for beyond 5G

J Zhang, E Björnson, M Matthaiou… - IEEE Journal on …, 2020 - ieeexplore.ieee.org
Multiple antenna technologies have attracted much research interest for several decades
and have gradually made their way into mainstream communication systems. Two main …

Scalable cell-free massive MIMO systems

E Björnson, L Sanguinetti - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
Imagine a coverage area with many wireless access points that cooperate to jointly serve
the users, instead of creating autonomous cells. Such a cell-free network operation can …

Making cell-free massive MIMO competitive with MMSE processing and centralized implementation

E Björnson, L Sanguinetti - IEEE Transactions on Wireless …, 2019 - ieeexplore.ieee.org
Cell-free Massive MIMO is considered as a promising technology for satisfying the
increasing number of users and high rate expectations in beyond-5G networks. The key idea …

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 …

Ubiquitous cell-free massive MIMO communications

G Interdonato, E Björnson, H Quoc Ngo… - EURASIP Journal on …, 2019 - Springer
Since the first cellular networks were trialled in the 1970s, we have witnessed an incredible
wireless revolution. From 1G to 4G, the massive traffic growth has been managed by a …

A systematic review on NOMA variants for 5G and beyond

I Budhiraja, N Kumar, S Tyagi, S Tanwar, Z Han… - IEEE …, 2021 - ieeexplore.ieee.org
Over the last few years, interference has been a major hurdle for successfully implementing
various end-user applications in the fifth-generation (5G) of wireless networks. During this …