Grant-free non-orthogonal multiple access for IoT: A survey

MB Shahab, R Abbas… - … Surveys & Tutorials, 2020 - ieeexplore.ieee.org
Massive machine-type communications (mMTC) is one of the main three focus areas in the
5th generation (5G) of wireless communications technologies to enable connectivity of a …

A survey on non-orthogonal multiple access for 5G networks: Research challenges and future trends

Z Ding, X Lei, GK Karagiannidis… - IEEE Journal on …, 2017 - ieeexplore.ieee.org
Non-orthogonal multiple access (NOMA) is an essential enabling technology for the fifth-
generation (5G) wireless networks to meet the heterogeneous demands on low latency, high …

IoT connectivity technologies and applications: A survey

J Ding, M Nemati, C Ranaweera, J Choi - IEEE Access, 2020 - ieeexplore.ieee.org
The Internet of Things (IoT) is rapidly becoming an integral part of our life and also multiple
industries. We expect to see the number of IoT connected devices explosively grows and will …

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 …

Developing NOMA to next generation multiple access: Future vision and research opportunities

Y Liu, W Yi, Z Ding, X Liu, OA Dobre… - IEEE Wireless …, 2022 - ieeexplore.ieee.org
As a prominent member of the Next Generation Multiple Access (NGMA) family, Non-
Orthogonal Multiple Access (NOMA) has been recognized as a promising multiple access …

Slotted ALOHA with NOMA for the next generation IoT

SA Tegos, PD Diamantoulakis… - IEEE Transactions …, 2020 - ieeexplore.ieee.org
Random access (RA) has recently been revisited and considered as a key technology for
the medium access control layer of the Internet of Things applications. Compared to other …

NOMA-assisted machine-type communications in UDN: State-of-the-art and challenges

M Elbayoumi, M Kamel, W Hamouda… - … Surveys & Tutorials, 2020 - ieeexplore.ieee.org
The inevitable next era of smart living requires unprecedented advances in enabling
technologies. The building blocks of this era are devices such as sensors, actuators, and …

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 …

Deep reinforcement learning for throughput improvement of the uplink grant-free NOMA system

J Zhang, X Tao, H Wu, N Zhang… - IEEE Internet of Things …, 2020 - ieeexplore.ieee.org
Facing the dramatic increase of mobile devices and the scarcity of spectrum resources, grant-
free nonorthogonal multiple access (NOMA) emerges as an enabling technology for …

Simple semi-grant-free transmission strategies assisted by non-orthogonal multiple access

Z Ding, R Schober, P Fan… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
Grant-free transmission is an important feature to be supported by future wireless networks
since it reduces the signaling overhead caused by conventional grant-based schemes …