802.11 Standards

Comprehensive Guide to Product Certification: Detailed Explanation of LoRaWAN Certification Projects and Processes

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Comprehensive Guide to Product Certification: Detailed Explanation of LoRaWAN Certification Projects and Processes

About LoRa and LoRaWAN LoRaWAN is a low-power wireless network protocol and system architecture launched by the LoRa Alliance, supporting secure bidirectional communication for IoT devices and applications. The LoRaWAN protocol is based on an open industrial standard called “LoRa,” which is fully controlled and managed by the open non-profit organization, the LoRa Alliance. In … Read more

Don’t Overlook the C Language Standards in Embedded Programming!

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Don't Overlook the C Language Standards in Embedded Programming!

Recently, during a code review, I noticed that many colleagues’ coding practices were teetering on the edge of risk, with one of the most glaring issues being the arbitrary placement of local variable definitions. For seasoned C programmers, most have developed the habit of “defining variables at the beginning of a statement block”. I vaguely … Read more

Summary of National Standards for Printed Circuit Boards (PCBs) in China

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Summary of National Standards for Printed Circuit Boards (PCBs) in China

Printed circuit boards (PCBs) are the core components of electronic products, and their manufacturing and quality control are crucial for the healthy development of the entire electronics industry. To better regulate the PCB market, the Chinese government has established a series of relevant national standards. Below is a list of common PCB national standards, which … Read more

35 Common Standards for Circuit Boards

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35 Common Standards for Circuit Boards

PCB Network News There are numerous standards in the circuit board industry, but how many of the commonly used printed circuit board standards do you know? The following is for your reference: 1) IPC-ESD-2020: Joint standard for the development of electrostatic discharge control programs. It includes the design, establishment, implementation, and maintenance necessary for an … Read more

Understanding Industrial Control System Security Standards (GB/T 36324-2018)

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Understanding Industrial Control System Security Standards (GB/T 36324-2018)

The security standards for industrial control systems are an important part of the security assurance system for industrial control systems. They play multiple roles in promoting, standardizing, and guiding the security protection work of industrial control systems in various industries. Due to the late overall start of the security protection construction for industrial control systems … Read more

Industrial Control System Information Security: Safeguarding the Invisible Line in the Smart Era

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Industrial Control System Information Security: Safeguarding the Invisible Line in the Smart Era

Industrial Control Systems (ICS), as the “nerve center” of national critical infrastructure, directly relate to national economic security, social stability, and the safety of people’s lives and property. However, with the acceleration of digital transformation, the information security threats faced by ICS are becoming increasingly severe. Today, we will delve into the key standards of … Read more

Introduction to WLAN Topology and Composition Principles

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Introduction to WLAN Topology and Composition Principles

Click the blue text above to follow us Resource Release Huawei Certified Beginner to Advanced Practical Course ↓ Scan to watch practical videos ↓ 1. WLAN Composition Structure The WLAN composition structure includes stations (STA), wireless medium (WM), access points (AP), and distributed systems (DS). 1. Station (STA) Generally refers to terminal devices in the … Read more

IoT Standards, Protocols, and Frameworks Overview

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IoT Standards, Protocols, and Frameworks Overview

When it comes to the Internet of Things (IoT), I believe everyone has some understanding, but many readers may only have a vague idea.Today, I will share content related to standards and protocols in the IoT. 1 About IoT Some readers may not know what IoT is, so this article will briefly summarize the relevant … Read more

Research and Standards Interpretation of LoRa Technology

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Research and Standards Interpretation of LoRa Technology

Author Introduction: Tony, a teacher at Chongqing University of Posts and Telecommunications, has participated in the development of TSM, GSM, TD-SCDMA, and LTE basebands. He was previously the group leader of the system engineering team for the LTE baseband chip development project. Currently, he focuses on LTE-Advanced PRO and 5G technology research, with a particular … Read more

Interpretation of Standard T/CES 251-2023 on Energy Storage System Inverter Testing

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The group standard T/CES 251-2023 “Hardware-in-the-Loop Testing Specification for Grid-Connected Performance of Energy Storage System Inverters” was proposed by the China Electrical Engineering Society and drafted by the Electric Power Research Institute of State Grid Henan Electric Power Company and other units. This standard specifies the technical requirements for preparation, testing platform, testing items and … Read more