Grouping-based grant-free random access based on statistical distribution of user rates

X Fang, M Zhao, S Zhang, W Zhou… - ICC 2019-2019 IEEE …, 2019 - ieeexplore.ieee.org
Multiple access technology is facing a great challenge posed by the upcoming massive
Machine-Type Communication (mMTC). Traditional grant-based random access (RA) …

A random non-orthogonal multiple access scheme for mMTC

N Ye, A Wang, X Li, H Yu, A Li… - 2017 IEEE 85th Vehicular …, 2017 - ieeexplore.ieee.org
Massive Machine Type Communication (mMTC) is one key usage scenario in future 5G. To
fulfill the massive connection requirement in mMTC, and reduce the signaling overhead, a …

Coping with chip-level asynchronicity of coded tandem spreading multiple access for massive machine-type communications

G Ma, B Ai, F Wang, Z Zhong… - 2019 IEEE International …, 2019 - ieeexplore.ieee.org
Recently, a novel spreading based non-orthogonal multiple access (NOMA) scheme named
coded tandem spreading multiple access (CTSMA) is proposed for grant-free random …

Distributed layered grant-free non-orthogonal multiple access for massive MTC

H Jiang, Q Cui, Y Gu, X Qin, X Zhang… - 2018 IEEE 29th Annual …, 2018 - ieeexplore.ieee.org
Grant-free transmission is considered as a promising technology to support sporadic data
transmission in massive machine-type communications (mMTC). Due to the distributed …

Grant-free random access in machine-type communication: Approaches and challenges

J Choi, J Ding, NP Le, Z Ding - IEEE Wireless Communications, 2021 - ieeexplore.ieee.org
Massive machine-type communication (MTC) is expected to play a key role in supporting
Internet of Things (IoT) applications such as smart cities, smart factories, and connected …

Implementation of Tandem Spreading Multiple Access Testbed for Massive Machine-type Communications

Z Xue, G Ma, Y Ma, J Dai, B Ai - 2022 IEEE/CIC International …, 2022 - ieeexplore.ieee.org
Tandem spreading multiple access (TSMA) scheme is a novel approach to support grant-
free random access in massive machine-type communications (mMTC) system. With tandem …

Error rate analysis for grant-free massive random access with short-packet transmission

X Bian, Y Mao, J Zhang - GLOBECOM 2022-2022 IEEE Global …, 2022 - ieeexplore.ieee.org
Grant-free massive random access (RA) is a promising protocol to support the massive
machine-type communications (mMTC) scenario in 5G and beyond networks. In this paper …

Variational Bayesian inference clustering based joint user activity and data detection for grant-free random access in mMTC

Z Zhang, Q Guo, Y Li, M Jin… - IEEE Internet of Things …, 2023 - ieeexplore.ieee.org
Tailor-made for massive connectivity and sporadic access, grant-free random access has
become a promising candidate access protocol for massive machine-type communications …

Multi-user shared access in massive machine-type communication systems via superimposed waveforms

E Çatak, F Tekce, O Dizdar, L Durak-Ata - Physical Communication, 2019 - Elsevier
With the development of the mobile internet and Internet of things (IoT), the number of
connected devices is increasing exponentially. Services that are required to support a large …

Multi-RAT random access scheme utilising combined licensed and unlicensed spectrum for massive machine-type communications

CW Hsu, K Das, L Jorguseski - 2020 IEEE 91st Vehicular …, 2020 - ieeexplore.ieee.org
Dense deployment of huge number of Internet of Things (IoT) devices in the factories of the
future (FoF) requires efficient and scalable massive Machine-Type Communication (mMTC) …