Massive uncoordinated access with massive MIMO: A dictionary learning approach

Y Han, BD Rao, J Lee - IEEE Transactions on Wireless …, 2019 - ieeexplore.ieee.org
Massive machine-type communications (mMTC) or massive Internet of things (IoT) is one of
the key application scenarios of fifth generation (5G) and beyond cellular networks. Since …

Intelligent Random Access for Massive-Machine Type Communications in Sliced Mobile Networks

B Yang, F Wei, X She, Z Jiang, J Zhu, P Chen, J Wang - Electronics, 2023 - mdpi.com
With the emerging Internet of Things paradigm, massive Machine-Type Communication
(mMTC) has been identified as one of the prominent services that enables a broad range of …

Grant-Free Random Access Enhanced by Massive MIMO and Non-Orthogonal Preambles

H Jiang, H Chen, H Hu, J Ding - Electronics, 2024 - mdpi.com
Massive multiple input multiple output (MIMO) enabled grant-free random access (mGFRA)
stands out as a promising random access (RA) solution, thus effectively addressing the need …

Fixed Cluster-Based Collision Resolution Random Access for Cell-Free Massive MIMO

Y He, G Ren, X Dong - IEEE Transactions on Wireless …, 2024 - ieeexplore.ieee.org
In this paper, we investigate the grant-based massive random access in cell-free (CF)
massive multiple-input multiple-output (mMIMO) networks. A fixed cluster-based collision …

Relaying threshold based random access and data transmission scheme for grouped massive MTC networks

Z Yang, Y Wang, Z Wang… - 2019 11th International …, 2019 - ieeexplore.ieee.org
In this paper, we propose a relaying threshold based random access and data transmission
scheme for grouped massive machine-type communications (mMTC) networks. Specifically …

CeRA-eSP: Code-expanded random access to enhance success probability of massive MTC

J Youn, J Park, J Oh, S Kim, S Ahn, S Cho, S Park… - Sensors, 2022 - mdpi.com
With the growing interest in the Internet of Things (IoT), research on massive machine-type
communication (mMTC) services is being actively promoted. Because mMTC services are …

Matrix Factorization Based Blind Bayesian Receiver for Grant-Free Random Access in mmWave MIMO mMTC

Z Yuan, F Liu, Q Guo, X Yuan, Z Wang, Y Li - arXiv preprint arXiv …, 2023 - arxiv.org
Grant-free random access is promising for massive connectivity with sporadic transmissions
in massive machine type communications (mMTC), where the hand-shaking between the …

Unequal access latency random access protocol for massive machine-type communications

J Jiao, L Xu, S Wu, Y Wang, R Lu… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
In this paper, we propose a novel multi-slot pilot allocation (MSPA) random access scheme
with unequal access latency (UAL) protection for user equipments (UEs) in massive …

Massive unsourced random access over Rician fading channels: Design, analysis, and optimization

F Tian, X Chen, L Liu, DWK Ng - IEEE Internet of Things …, 2022 - ieeexplore.ieee.org
In this article, we investigate an unsourced random access scheme for massive machine-
type communications (mMTC) in the sixth-generation (6G) wireless networks with sporadic …

Access control and pilot allocation for machine-type communications in crowded massive MIMO systems

TH Vo, Z Ding, QV Pham, WJ Hwang - Symmetry, 2019 - mdpi.com
Massive machine-type communication (mMTC) in 5G New Radio (5G-NR) or the Internet of
Things (IoT) is a network of physical devices such as vehicles, smart meters, sensors, and …