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 …

A survey of recent advances in optimization methods for wireless communications

YF Liu, TH Chang, M Hong, Z Wu… - IEEE Journal on …, 2024 - ieeexplore.ieee.org
Mathematical optimization is now widely regarded as an indispensable modeling and
solution tool for the design of wireless communications systems. While optimization has …

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 …

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 …

Distributed signal processing for extremely large-scale antenna array systems: State-of-the-art and future directions

Y Xu, EG Larsson, EA Jorswieck, X Li, S **… - arxiv preprint arxiv …, 2024 - arxiv.org
Extremely large-scale antenna arrays (ELAA) play a critical role in enabling the
functionalities of next generation wireless communication systems. However, as the number …

Scalable user rate and energy-efficiency optimization in cell-free massive MIMO

HD Tuan, AA Nasir, HQ Ngo… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
This paper considers a cell-free massive multiple-input multiple-output network (cfm-MIMO)
with a massive number of access points (APs) distributed across an area to deliver …

Rate-splitting for cell-free massive MIMO: Performance analysis and generative AI approach

J Zheng, J Zhang, H Du, R Zhang… - IEEE Transactions …, 2024 - ieeexplore.ieee.org
Cell-free (CF) massive multiple-input multiple-output (MIMO) provides a ubiquitous coverage
to user equipments (UEs) but it is also susceptible to interference. Rate-splitting (RS) …

Spanning tree method for over-the-air channel calibration in 6G cell-free massive MIMO

S Xu, Y Cao, C Li, D Wang… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Cell-free massive multiple-input multiple-output (MIMO) is an attractive network in 6G
communications that significantly increases the spectral efficiency. Operating in time-division …

Joint user association and power control for cell-free massive MIMO

C Hao, TT Vu, HQ Ngo, MN Dao, X Dang… - IEEE Internet of …, 2024 - ieeexplore.ieee.org
This work proposes novel approaches that jointly design user equipment (UE) association
and power control (PC) in a downlink user-centric CELL-FREE massive multiple-input …

CPU-Cooperative Power Control Scheme for Scalable Cell-Free Massive MIMO Systems

S Kim, S Ahn, J Park, J Youn, Y Kwon… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
Cell-free massive multiple-input multiple-output (CF-mMIMO) can provide uniformly great
service to user equipment (UE) by utilizing a large number of distributed access points (APs) …