Structured massive access for scalable cell-free massive MIMO systems

S Chen, J Zhang, E Björnson… - IEEE Journal on …, 2020 - ieeexplore.ieee.org
How to meet the demand for increasing number of users, higher data rates, and stringent
quality-of-service (QoS) in the beyond fifth-generation (B5G) networks? Cell-free massive …

A vision towards integrated 6G communication networks: Promising technologies, architecture, and use-cases

P Jain, A Gupta, N Kumar - Physical Communication, 2022 - Elsevier
The evolution of the previous mobile communication generations has led to innovative goals
of the Internet of Everything (IoE) in the 5G. However, addressing all IoE-associated …

Cell-free IoT networks with SWIPT: Performance analysis and power control

Y Zhang, W Xia, H Zhao, W Xu… - IEEE Internet of …, 2022 - ieeexplore.ieee.org
In this article, the performance of simultaneous wireless information and power transfer
(SWIPT) in downlink (DL) Internet of Things (IoT) networks relying on the cell-free massive …

Evolution of RAN Architectures Towards 6G: Motivation, Development, and Enabling Technologies

J Chen, X Liang, J Xue, Y Sun, H Zhou… - … Surveys & Tutorials, 2024 - ieeexplore.ieee.org
In this survey paper, we first provide insights on the evolution of radio access networks
(RANs) through investigating the existing paradigms and future trends towards 6G. We then …

Joint power control and LSFD for wireless-powered cell-free massive MIMO

ÖT Demir, E Björnson - IEEE Transactions on Wireless …, 2020 - ieeexplore.ieee.org
This paper considers wireless uplink information and downlink power transfer in cell-free
massive multiple-input multiple-output systems. The single-antenna user equipments (UEs) …

Performance analysis and optimization of NOMA-based cell-free massive MIMO for IoT

J Zhang, J Fan, J Zhang, DWK Ng… - IEEE Internet of Things …, 2021 - ieeexplore.ieee.org
This article investigates the performance of nonorthogonal multiple access (NOMA)-based
cell-free massive multiple-input–multiple-output (mMIMO) for the Internet of Things (IoT) …

A scalable and energy-efficient IoT system supported by cell-free massive MIMO

H Yan, A Ashikhmin, H Yang - IEEE Internet of Things Journal, 2021 - ieeexplore.ieee.org
An Internet-of-Things (IoT) system supports a massive number of IoT devices wirelessly. We
show how to use cell-free (CF) massive multiple input and multiple output (MIMO) to provide …

Channel estimation performance analysis of massive MIMO IoT systems with Ricean fading

P Liu, T Jiang - IEEE Internet of Things Journal, 2020 - ieeexplore.ieee.org
This article analyzes the channel estimation performance of massive multiple-input-multiple-
output (MIMO) Internet-of-Things (IoT) systems with Ricean fading. First, by utilizing the least …

SWIPT-enhanced cell-free massive MIMO networks

G Femenias, J García-Morales… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Simultaneous wireless information and power transfer (SWIPT) has been advocated as a
highly promising technology to provide near-perpetual operation to low-powered wireless …

Two-stage channel estimation approach for cell-free IoT with massive random access

X Wang, A Ashikhmin, Z Dong… - IEEE Journal on Selected …, 2022 - ieeexplore.ieee.org
We investigate the activity detection and channel estimation issues for cell-free Internet of
Things (IoT) networks with massive random access. In each time slot, only partial devices …