Results 31 to 40 of about 272 (134)

Advanced Manufacturing of Composite‐Based Systems for Energy Applications

open access: yesAdvanced Materials Technologies, EarlyView.
Advanced manufacturing enables the integration of polymers, ceramics, metal oxides, and composites into architected microstructures with tailored transport pathways. By coupling material selection, manufacturing strategy, and structural design, multifunctional energy systems can simultaneously improve electrochemical performance, thermal management ...
Sri Vaishnavi Thummalapalli   +13 more
wiley   +1 more source

Pattern division random access (PDRA) scheme for mMIMO systems

open access: yesDianxin kexue, 2022
To enhance the massive machine-type communications (mMTC) random access (RA) performance, a pattern division random access (PDRA) scheme was proposed for massive multiple-input multiple-output (mMIMO) systems.In this scheme, the pilot contention space ...
Xiaoming DAI   +5 more
doaj   +2 more sources

Performance Analysis of Wireless Information Surveillance in Machine-Type Communication at Finite Blocklength Regime

open access: yesSensors, 2019
The Internet of Things (IoT) will feature pervasive sensing and control capabilities via the massive deployment of machine-type communication devices in order to greatly improve daily life. However, machine-type communications can be illegally used (e.g.,
Ruonan Dong, Baogang Li, Binyang Yan
doaj   +1 more source

On‐Chip Photonic Neural Network Architectures

open access: yesAdvanced Optical Materials, EarlyView.
This review presents a comprehensive overview of on‐chip photonic neural network architectures, covering key photonic building blocks, representative network types, and emerging applications. Recent advances, implementation challenges, and future directions are examined, highlighting the potential of integrated photonics to enable ultrafast, energy ...
Seokjin Hong   +7 more
wiley   +1 more source

Augmented LoRa Modulation for the Massive Internet of Things

open access: yesIEEE Access
The communication device or transceiver under the massive Internet of Things (IoT) paradigm is characterized by the following essential aspects: 1) resource efficiency, 2) energy efficiency, 3) implementation efficiency, and 4) coverage.
Lei Wang   +2 more
doaj   +1 more source

Overload Control for Signaling Congestion of Machine Type Communications in 3GPP Networks. [PDF]

open access: yesPLoS ONE, 2016
Because of the limited resources on radio access channels of third generation partnership projection (3GPP) network, one of the most challenging tasks posted by 3GPP cellular-based machine type communications (MTC) is congestion due to massive requests ...
Zhaoming Lu   +3 more
doaj   +1 more source

Multi-Connectivity in 5G and Beyond Non-Terrestrial Networks

open access: yesJournal of Communications Software and Systems, 2022
The Fifth Generation (5G) communications systems aim to serve such service classes as Ultra-Reliable Low Latency Communications (URLLC), enhanced Mobile Broadband (eMBB), and massive Machine-Type Communications (mMTC).
Mikko Majamaa   +3 more
doaj   +1 more source

Photonic‐Enabled Energy‐Efficient Transparent Neuromorphic Computing Devices: A Review

open access: yesAdvanced Science, EarlyView.
Transparent photonic neuromorphic computing devices merge optics and brain‐inspired computing to overcome von Neumann bottlenecks with ultrafast, low‐energy processing. By exploiting transparent oxides, 2D materials, phase‐change materials, and hybrid heterostructures, these platforms enable photonic synapses, memory, and logic for see‐through edge ...
Shuvaraj Ghosh   +8 more
wiley   +1 more source

Towards Massive Connectivity Support for Scalable mMTC Communications in 5G Networks

open access: yesIEEE 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
doaj   +1 more source

Improved Compressed Sensing-Based Joint User and Symbol Detection for Media-Based Modulation-Enabled Massive Machine- Type Communications

open access: yesIEEE Access, 2020
Media-Based Modulation (MBM) is regarded as a promising technique for future massive machine-type communications (mMTC) due to its high energy/spectral efficiency, good error performance and low-complexity radio frequency hardware implementation. In this
Xiangxue Ma   +2 more
doaj   +1 more source

Home - About - Disclaimer - Privacy