Results 21 to 30 of about 1,506,345 (248)
NOMA-Based Random Access in mMTC XL-MIMO
IEEE Access, 2023 In machine-type communication (MTC), massive access attempts are generated and the massive MIMO is the key technology to support this demand. To support massive MTC (mMTC), the recent extra-large scale massive multiple-input multiple-output (XL-MIMO ...
Thiago Augusto Bruza Alves, Taufik Abrao
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Low Latency Random Access for Small Cell Toward Future Cellular Networks
IEEE Access, 2019 In future cellular networks, performance target includes not only increasing data rate, but also reducing latency. The current LTE-Advanced systems require four message exchanges in the random access and uplink transmission procedure, thus inducing high ...
Sundo Kim +5 more
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Location-Based Unsourced Random Access
IEEE AccessWe propose a novel approach to Unsourced Random Access (URA) in which the encoding of each user’s message is associated with the user’s location.
Roshanak Soltani +3 more
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Three-dimensional multi-site random access photostimulation (3D-MAP)
eLife, 2022 Optical control of neural ensemble activity is crucial for understanding brain function and disease, yet no technology can achieve optogenetic control of very large numbers of neurons at an extremely fast rate over a large volume.
Yi Xue +3 more
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Detection Techniques for Massive Machine-Type Communications: Challenges and Solutions
IEEE Access, 2020 Massive machine-type communications (mMTC) is one of the key application scenarios of fifth generation (5G) and beyond cellular networks. Bringing the unique technical challenge of supporting a huge number of MTC devices (MTCD) in cellular networks, how ...
Roberto B. Di Renna +3 more
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Sensors, 2018 This paper considers satellite communication networks where each satellite terminal is equipped with energy harvesting (EH) devices to supply energy continuously, and randomly transmits bursty packets to a geostationary satellite over a shared wireless ...
Pengxu Li, Gaofeng Cui, Weidong Wang
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ICARUS—Very Low Power Satellite-Based IoT
Sensors, 2022 The ICARUS (International Cooperation for Animal Research Using Space) satellite IoT system was launched in 2020 to observe the life of animals on Earth: their migratory routes, living conditions, and causes of death.
Marco Krondorf +4 more
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Towards Massive Connectivity Support for Scalable mMTC Communications in 5G Networks
IEEE Access, 2018 The fifth generation of cellular communication systems is foreseen to enable a multitude of new applications and use cases with very different requirements.
Carsten Bockelmann +18 more
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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 +6 more
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Foundations and Trends® in Communications and Information TheoryCurrent wireless networks are designed to optimize spectral efficiency for human users, who typically require sustained connections for high-data-rate applications like file transfers and video streaming. However, these networks are increasingly inadequate for the emerging era of machine-type communications (MTC).
Kirill Andreev +2 more
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