Results 31 to 40 of about 235 (82)

Demonstrability of Narrowband Internet of Things technology in advanced metering infrastructure

open access: yesEURASIP Journal on Wireless Communications and Networking, 2019
The deployment cost of advanced metering infrastructure (AMI), one of the key elements for smart grid, often arises from three sub-systems, respectively referred to as data management system, communication network, and smart devices.
Liang Wan, Zhijian Zhang, Jian Wang
doaj   +1 more source

Design of temperature and humidity control system based on narrow band Internet of Things application architecture

open access: yesDianzi Jishu Yingyong, 2018
Narrowband Internet of Things(NB-IoT) is a new communication technology in the field of Internet of Things. It has the characteristics of low power consumption, large capacity, wide coverage and so on.
Yang Fan, Wang Yihuai, Song Hongru
doaj   +1 more source

Drilling Water Level Intelligent Monitoring System Based on Narrow-band Internet of Things

open access: yesMeikuang Anquan, 2020
An intelligent monitoring system for drilling water level based on Narrow-band Internet of Things is designed. The system controls the forward and reverse rotation of the DC motor through the intelligent telemeter, drives the capacitive water level ...
YAN Maoyin, XU Lenian, HUAN Zhihao
doaj   +1 more source

Complexity-Efficient Coherent Physical Cell Identity Detection Method for Cellular IoT Systems

open access: yesMathematics, 2022
Narrowband Internet of Things (NB-IoT) is one of the low-power wide-area network technologies that aim to support enormous connection, deep coverage, low power consumption, and low cost. Therefore, low cost of implementation and maintenance is one of the
Young-Hwan You   +3 more
doaj   +1 more source

Designing an Ultra-Low-Power RTU for Use in NB-IoT Water Applications [PDF]

open access: yesMATEC Web of Conferences, 2019
This paper presents the design and realization of a ultra-low-power and low-cost remote transfer unit (RTU), working as an outdoor gateway for collecting hydrographic data, such as rainfall, water flow rate, water quality, etc.
Ganchev Ivan   +2 more
doaj   +1 more source

Design and Implementation of a Framework for Smart Home Automation Based on Cellular IoT, MQTT, and Serverless Functions

open access: yesSensors, 2023
Smart objects and home automation tools are becoming increasingly popular, and the number of smart devices that each dedicated application has to manage is increasing accordingly.
Marco Esposito   +3 more
doaj   +1 more source

Research on the NB-IoT Random Access in LEO Satellite IoT

open access: yes天地一体化信息网络, 2021
Narrowband internet of things (NB-IoT) technology is widely used in data communications for a large number of low-speed and low-power devices, but it is diff cult to provide services for remote areas that cannot be covered by terrestrial networks.With ...
Haodong LIU   +4 more
doaj   +2 more sources

A comprehensive survey on the security of low power wide area networks for the Internet of Things

open access: yesICT Express
While the spreading of the Internet of Things continues beyond expectations, the security of networking technologies used in this context remains an open issue.
Giovanni Stanco   +4 more
doaj   +1 more source

Sustained Self‐Powered Real‐Time Vibration Monitoring Through Integrated Nonlinear Harvesting and Energy‐Aware Wireless Sensing

open access: yesAdvanced Science, EarlyView.
A self‐powered vibration sensing platform integrates a quasi‐zero‐stiffness piezoelectric harvester, synchronized electric charge extraction, energy management, and wireless ADC acquisition. Ambient vibration is simultaneously harvested as energy and digitized as information, enabling sustained real‐time waveform monitoring without external power.
Yizhou Li   +10 more
wiley   +1 more source

Perovskite Photodetectors at the Intelligence Frontier: From Tunable Materials to Adaptive Optoelectronic Systems

open access: yesCarbon Energy, EarlyView.
This comprehensive review presents a progressive roadmap for perovskite vision detectors. Centered on perovskite‐based artificial perception, the graphic illustrates a systematic evolution: starting with fundamental material engineering and device architectures, advancing toward complex functional strategies such as flexible neuromorphic imaging ...
Chenglong Li   +14 more
wiley   +1 more source

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