A distributed sensor network (hereinafter referred to as a distributed sensor network) consists of a series of sensors connected via the Internet. These sensors can be embedded in an integrated circuit device, capable of collecting signals, processing signals, communicating with each other, and performing simple computational tasks. Sensors are arranged in different environments, and the … Read more
▲Click above Leifeng Network to follow The biggest feature of 5G network architecture is its “decentralization,” and MEC is key to achieving decentralization. Written by | Guo Renxian According to IDC, it is expected that by 2020, over 50 billion terminals and devices will be connected globally, with over 40% of data needing to be … Read more
LoRaWAN network architecture diagram End Nodes In the above LoRaWAN network architecture diagram, the end nodes are on the far left, asynchronously broadcasting data packets to the network. Following the Aloha network specification, it ensures that terminal devices can remain in idle mode most of the time, consuming less than 1uA. This method ensures that … Read more
Abstract: The application of NB-IoT in the Internet of Things is becoming increasingly widespread. However, due to characteristics such as massive access, low terminal computing power, and a variety of services, NB-IoT IoT systems face numerous security issues. This article first analyzes the system architecture of NB-IoT IoT systems, dissecting the security risks faced at … Read more
This article is authorized for publication by “Postal and Telecommunication Design Technology”. If you need to reprint, please contact “Postal and Telecommunication Design Technology” for authorization. Follow the Postal and Telecommunication Design Technology public account: ydsjjs, welcome to follow! Abstract: This article reviews the development history of satellite communication, its advantages and disadvantages, and proposes … Read more
The integrated network of air, space, and sea is based on ground networks, supplemented and extended by space-based, air-based, and sea-based networks, providing ubiquitous, intelligent, collaborative, and efficient information guarantee infrastructure for various network applications across wide spatial ranges. In the integrated air-space-sea network, the air-based network consists of high-altitude communication platforms, drone self-organizing networks, … Read more
Heterogeneous fusion networking refers to the integration of different types of networks to form a unified network architecture, enabling more efficient, flexible, and reliable network communication. Heterogeneous networks consist of computers, network devices, and systems produced by different manufacturers, which may operate on various network protocols and support different functions or applications. Implementing heterogeneous fusion … Read more
Hello everyone, I am Xiaozhao Jun. Today, I saw a very shocking diagram in the WeChat group: Those who are in the know should understand. This is the diagram of the entire mobile communication network architecture and protocol specifications by 3GPP. In simpler terms, it is the complete architecture diagram of the core network from … Read more
“ The Industrial Internet of Things (IIOT) is the application of the Internet of Things in the industrial sector, but it is not simply equivalent to ‘Industry + IoT.’ The complex industrial scenarios make its connotation richer!” 01 — Concept Positioning:The Industrial Internet of Things is a set of enabling technology systems that support smart … Read more
On February 12, a piece of news from the Yingtan Daily shook the communications industry. As of January 22 at 12:00, China Mobile Yingtan Branch successfully completed the construction and launch of the NB-IoT network covering the entire Yingtan city, marking the successful establishment of the first city-level NB-IoT network fully covering a city in … Read more