NB-IoT technology is a low-power wide-area network (LPWA) solution defined by the 3GPP standard, characterized by extremely low power consumption, wide coverage, and a large number of connections. Its device coverage can be enhanced by 20dB, and the battery life can exceed 10 years. Given the advantages of NB-IoT and the Ministry of Industry and … Read more
Li Zhaoxiong, Zhang Chaoyang, Liu Hui, Luo Xuhui (Fujian Academy of Agricultural Sciences, Agricultural Ecology Research Institute, Fuzhou, Fujian 350013) Abstract: Tea gardens located in mountainous areas usually lack access to municipal electricity, and the network signals are relatively weak. In the ecological environment monitoring equipment for tea gardens, it is necessary to use the … Read more
The new infrastructure has sounded the horn for development, bringing significant opportunities for emerging industries such as 5G and the Internet of Things (IoT), and accelerating the formation of a development pattern where technologies like NB-IoT, 4G, and 5G undertake various IoT connections.Among them, the number of IoT connections using NB-IoT is expected to grow … Read more
Ding Song, Wang Changsheng, Zheng Ping (Anhui University of Science and Technology, School of Electrical and Information Engineering, Huainan, Anhui 232001) Abstract: Comprehensive utility tunnels are the lifelines of cities. To ensure the stable and safe operation of comprehensive utility tunnels, a monitoring system based on NB-IoT wireless transmission technology is designed to address the … Read more
Introduction: The NB-IoT based smart fire early warning system consists of perception layer devices, NB-IoT network, a wireless connected fire warning monitoring platform, and terminal apps. It aims to address the lack of effective fire warning and prevention measures in residential homes and “nine small places” where fire safety is inadequate. (1) Overview of Achievements: … Read more
Following Cat.1, the IoT industry in 2021 has welcomed a new “trend”. This “trend” is called “Passive IoT”. What exactly is Passive IoT? How does it differ from existing IoT technologies? Is it really a high-tech breakthrough, or just another hype? In this article, I will guide you through the details. █ What Is Passive … Read more
Author: Cao Jun, Zhang Guoxin, He Yuewen The Origin of IoT When Kevin Ashton, a British citizen, was working at Procter & Gamble (P&G), he found that a lipstick product he was responsible for often went out of stock and was in a replenishment state. After investigation, he discovered that there was a large amount … Read more
▲ Click the blue text above to follow us Gas Safety Knowledge – IoT Gas Meters Functions of IoT Gas Meters Taking the NB-IoT membrane gas meter as an example: The NB-IoT membrane gas meter is based on a cellular narrowband wireless network as a private network, using a membrane gas meter as the base … Read more
(1) Achievement Overview: The smart fire early warning system based on NB-IoT consists of perception layer devices, NB-IoT network, wireless connected fire warning monitoring platform, and terminal App. The perception layer devices include independent smoke fire detectors with wireless connectivity, independent temperature fire detectors, independent combustible gas detectors, and independent electrical fire monitoring detectors. This … Read more