Results 31 to 40 of about 2,202 (206)

Is Satellite Ahead of Terrestrial in Deploying NOMA for Massive Machine-Type Communications?

Sensors, 2021
Non-orthogonal multiple access (NOMA) technologies are considered key technologies for terrestrial 5G massive machine-type communications (mMTC) applications.
Antonio Arcidiacono, Daniele Finocchiaro, Riccardo De Gaudenzi, Oscar del Rio-Herrero, Stefano Cioni, Marco Andrenacci, Riccardo Andreotti   +6 more
doaj   +1 more source

Design Framework of Fourier-Based Non-Orthogonal Sequences for Sparse Activity Detection in Multicell Massive Connectivity

IEEE Access, 2022
In massive machine-type communications (mMTC), grant-free access is a key enabler for a massive number of users to be connected to a base station with low signaling overhead and low latency. In this paper, new Fourier-based sequence sets are proposed for
Nam Yul Yu
doaj   +1 more source

Exploiting Spatial Correlation for Pilot Reuse in Single-Cell mMTC [PDF]

, 2021
As a key enabler for massive machine-type communications (mMTC), spatial multiplexing relies on massive multiple-input multiple-output (mMIMO) technology to serve the massive number of user equipments (UEs).
Al-Tous, Hanan, Lucas Ribeiro, Juntti, Markku, Markus Leinonen, Tirkkonen, Olav, Leinonen, M. (Markus), Hanan Al-Tous, Tirkkonen, O. (Olav), Ribeiro, L. (Lucas), Olav Tirkkonen, Markku Juntti, Juntti, M. (Markku), Leinonen, Markus, Ribeiro, Lucas, Al-Tous, H. (Hanan)   +14 more
core   +1 more source

Non-Coherent and Backscatter Communications: Enabling Ultra-Massive Connectivity in 6G Wireless Networks

IEEE Access, 2021
With the commencement of the 5th generation (5G) of wireless networks, researchers around the globe have started paying their attention to the imminent challenges that may emerge in the beyond 5G (B5G) era.
Syed Junaid Nawaz, Shree Krishna Sharma, Babar Mansoor, Mohammad N. Patwary, Noor M. Khan   +4 more
doaj   +1 more source

Numerous Factors Affecting Performance of NOMA for Massive Machine Type Communications in B5G Systems

Frontiers in Communications and Networks, 2021
Massive machine type communications (mMTC) are one of the critical requirements for beyond fifth generation (B5G) communication systems. Services for a huge number of user terminals should be provided simultaneously due to the explosive development of ...
Chunlin Yan, Chunlin Yan, Wei Liu, Wei Liu, Hongwei Yuan, Hongwei Yuan   +5 more
doaj   +1 more source

Interference-Aware Subcarrier Allocation for Massive Machine-Type Communication in 5G-Enabled Internet of Things

Sensors, 2019
Massive machine-type communication (mMTC) is investigated as one of three typical scenes of the 5th-generation (5G) network. In this paper, we propose a 5G-enabled internet of things (IoT) in which some enhanced mobile broadband devices transmit video ...
Wenjun Hou, Song Li, Yanjing Sun, Jiasi Zhou, Xiao Yun, Nannan Lu   +5 more
doaj   +1 more source

Compressed spectrum sensing for grant-free NOMA based internet of vehicles

EURASIP Journal on Advances in Signal Processing, 2022
With the development of communication technology, non-orthogonal multiple access (NOMA) technology is proposed to meet the requirements of high throughput and low latency in massive machine type communication (mMTC) of Internet of Vehicles (IoV).
Liang Zhang, Zengqi Li, Min Jia
doaj   +1 more source

A Novel Multiple Access Scheme for 6G Assisted Massive Machine Type Communication

IEEE Access, 2022
The diverse Internet-of-things (IoT) applications involve massive machine type communication (mMTC) with large number of communicating nodes. The energy and resource overhead owing to shorter battery lives and limited network resources are the main ...
Ashu Taneja, Adi Alhudhaif, Shtwai Alsubai, Abdullah Alqahtani   +3 more
doaj   +1 more source

Legal Protection for Consumers in the MMTC Market

Journal of Legal and Cultural Analytics, 2023
Consumer protection at this time can be separated from trading activities. It is hoped that this trading activity will create a balance of rights and obligations between business actors and consumers. The countries that are now called developed countries have gone through three levels of development.
null Nurhayani Nst, null Isma Fadhillah, null Santia Devima   +2 more
openaire   +1 more source

Performance Analysis of Signature-Based Grant-Free Random Access Under Impersonation Attacks

IEEE Access, 2022
In massive machine-type communications (mMTC), user-specific and non-orthogonal signatures can be assigned to wireless devices for uplink grant-free access.
Nam Yul Yu
doaj   +1 more source