Today, with the ever-changing control technology, the significance of smart home development is very important, and the circulation of its products needs to be based on interoperability standards. From the industrial field to the application of the civilian market, ZigBee has become an important player in home control communication and is on the stage of smart home.
Why is ZigBee an important part of home control communication on the stage of smart home?
ZigBee is actually a short-range, low-power wireless communication technology, named ZigZag - a body language of a bee. When the bee newly discovers a flower, he uses special dance to inform the companion of the type and location of the food. It is a simple and efficient way to transfer information between the bee colonies. Therefore, ZigBee has also become the “Zibe Protocolâ€.
This explanation may still be difficult to understand. Simply put, ZigBee is a communication protocol similar to WiFi and Bluetooth that enables wireless communication between devices and devices. The difference is that, although all are wireless communication technologies, ZigBee has unique advantages in the smart home field, such as low power consumption (transmitting power is only 1mW), more connected devices (in theory, up to 60,000), and security. High (AES-128 encryption algorithm) and so on.
Specifically, it is characterized by close proximity, low complexity, self-organization, low power consumption, and low data rate. It is mainly suitable for use in the fields of automatic control and remote control and can be embedded in various devices. Compared to several other wireless communication technologies, it has
1) Ultra-low power consumption: In the low power consumption and low power mode, due to the low transmission rate of ZigBee, the transmission power is only 1mW, and the sleep mode is adopted, the ZigBee protocol can be used for a longer period of time;
2) High security: ZigBee provides a three-level security mode, including no security settings, using an Access Control List (ACL) to prevent illegal access to data and a symmetric password using the Advanced Encryption Standard (AES128) for flexible determination. Its security attributes ensure the security of your home ZigBee network;
3) Self-organizing network, which can accommodate many sub-devices: The ZigBee network of the gateway can theoretically add 65,535 sub-devices. Compared with the number of digits in Bluetooth, ZigBee has obvious advantages, and is more suitable for multiple devices in smart homes. Into the network.
4) Reliable: A collision avoidance strategy is adopted, and a dedicated time slot is reserved for communication services requiring a fixed bandwidth, avoiding competition and collision of transmitted data. The MAC layer uses a fully acknowledged data transmission mode, and each transmitted packet must wait for the recipient's confirmation message. If there is a problem during the transfer, you can resend it.
5) 485 communication and ZigBee mutual conversion: wired opening can be installed between the villa floor and floor, which is a good way to avoid the drawbacks of ZigBee technology.
Considering that the smart home system is essentially an electronic product, and there are many devices involved, and it is closely related to the safety of the user's home, it is not surprising that ZigBee technology has received extensive attention in the smart home industry . In fact, ZigBee has become a mainstream wireless technology in the smart home field and is widely used in various home intelligent products.
ZigBee is a wireless technology that enables intelligent hardware device connection and data exchange. What is the ZigBee Alliance doing? Next, let's get to the point and talk about the ZigBee Alliance.
The ZigBee Alliance is a non-profit organization that creates open global IoT standards for consumer, commercial and industrial applications. It has more than 400 member companies worldwide, covering chip suppliers, device manufacturers, TV and telecom operations. Business, certification bodies, large retail groups and other aspects of the industrial chain. Alliance board members include NXP Semiconductors, Comcast Cable, Freescale Semiconductor, Ai Chuang, Kroger, Langier, Legrand, Philips, Schneider, Core, Texas Instruments, IOT Sensing (Asia) 13 unique board members, SmartThings (Samsung subsidiary) and other 13 world-renowned companies.
To put it simply, the ZigBee Alliance is a non-profit organization that develops, optimizes, and refines ZigBee technology standards. Its members are mainly well-known companies around the world. Of course, many of them are from China. Obviously, the Zigbee Alliance plays an important role in the gradual improvement of ZigBee technology, and has a major impact in the smart home and the entire Internet of Things.
ZigBee is the leading wireless networking, sensing and control standard. BobHeiLe, chairman of the ZigBee Alliance, once said that the ZigBee Alliance is the only organization in the world that can solve all the problems in the Internet of Things. The alliance promotes the development of the Internet of Things from the aspects of technology standardization and industrialization. The role of the ZigBee Alliance is to bring together members of the world who are committed to the Internet of Things, share resources and standards, and achieve greater value through standardization.
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