Results 31 to 40 of about 359,097 (120)

Modelling of synchronisation and energy performance of FBE- and LBE-based standalone LTE-U networks

open access: yesThe Journal of Engineering, 2017
Without the aid of licensed channel, deploying long-term evolution (LTE) networks over unlicensed spectrum (named standalone LTE-U networks) faces the difficulty of establishing and maintaining synchronisation between user equipments and base stations ...
Jiamin Li   +4 more
doaj   +1 more source

Wireless Geophone Networks for Land Seismic Data Acquisition: A Survey, Tutorial and Performance Evaluation

open access: yesSensors, 2021
Seismic data acquisition in oil and gas exploration employs a large-scale network of geophone sensors deployed in thousands across a survey field. A central control unit acquires and processes measured data from geophones to come up with an image of the ...
Aliyu Makama   +2 more
doaj   +1 more source

Key Technologies of Photonic Artificial Intelligence Chip Structure and Algorithm

open access: yesApplied Sciences, 2021
Artificial intelligence chips (AICs) are the intersection of integrated circuits and artificial intelligence (AI), involving structure design, algorithm analysis, chip fabrication and application scenarios.
Li Pei   +7 more
doaj   +1 more source

Hardware-Based Evaluation of Scalable and Resilient Multicast With BIER in P4

open access: yesIEEE Access, 2021
Traditional IP multicast (IPMC) maintains state per IPMC group in core devices to distribute one-to-many traffic along tree-like structures through the network.
Daniel Merling   +2 more
doaj   +1 more source

Resilience and Security: A Qualitative Survey of Urban Smart Grid Architectures

open access: yesIEEE Access, 2016
Smart grids require information and communication technology (ICT) in order to control dynamics in the power grid. However, adding ICT creates additional entry points in vulnerable hard- and software, increasing the attack surface, and provides ...
Peter Eder-Neuhauser   +2 more
doaj   +1 more source

Scheduling Scientific Workflow Using Multi-Objective Algorithm With Fuzzy Resource Utilization in Multi-Cloud Environment

open access: yesIEEE Access, 2020
The provision of resources and services for scientific workflow applications using a multi-cloud architecture and a pay-per-use rule has recently gained popularity within the cloud computing research domain.
Mazen Farid   +3 more
doaj   +1 more source

Weighted Inter-frame Averaging-Based Channel Estimation for CO-OFDM System

open access: yesIEEE Photonics Journal, 2013
We propose an efficient channel estimation method for coherent optical orthogonal frequency-division multiplexing (CO-OFDM) based on weighted inter-frame averaging (WIFA), in which the channel estimation results of the adjacent frames are averaged to ...
Hui Zhao   +7 more
doaj   +1 more source

One-stop multi-sensor fusion and multimodal precise quantified traditional Chinese medicine imaging health examination technology

open access: yesJournal of Radiation Research and Applied Sciences
Except for single-mode traditional Chinese medicine imaging techniques such as infrared thermal imaging, the one-stop multimodal whole-body imaging health examination technology and device is still blank.
Chuanxue Li   +5 more
doaj   +1 more source

A USRP-Based Multi-Antenna Testbed for Reception of Multi-Site Cellular Signals

open access: yesIEEE Access, 2019
This paper presents a design of a Software Defined Radio (SDR) multi-antenna testbed able to record live cellular signals from multiple sites. This measurement setup based on Universal Software Radio Peripheral (USRP) boards, is used to record live Long ...
Tomasz Izydorczyk   +3 more
doaj   +1 more source

Coordinating Day-Ahead and Intraday Scheduling for Bidirectional Charging of Fleet EVs

open access: yesAutomation
The rapid growth of electric vehicles (EVs) and photovoltaic (PV) generation creates substantial power peaks that strain local electrical infrastructure.
Shiwei Shen   +3 more
doaj   +1 more source

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