The development of technologies such as the Internet of Things, big data, and cloud computing has made the smart home industry in full swing. As the most important link in the entire smart home architecture, smart gateway is the core access and management device of the home IoT, and it is the core component of internal and external information exchange. Therefore, it plays a decisive role.
We have been talking about smart homes and home IoT. What is the core smart gateway? What are its specific forms? Today Xiao Bian and everyone together to understand the smart gateway.
1, what is smart gateway
In general, the relationship between smart gateways and smart homes is like people and heart. Through it, smart home can realize system information acquisition, information input, information output, centralized control, remote control, linkage control and other functions.

Smart home systems use wireless communication technology and utilize smart switches, smart sockets and other sensors and controllers to integrate door and window, lighting, home appliances, security and other home devices into a home network for unified management. The intelligent gateway is responsible for the information processing and command coordination of the entire system network. It is the "brain" and "center" of the entire system. Currently, smart gateways are divided into two categories: wireless routers, smart home gateways, and general smart home gateways. The former are more often used in smart homes.

2. Smart gateway implementation
The smart home gateway can communicate with various intelligent nodes through Ethernet to realize remote monitoring of environmental parameters (temperature, humidity, carbon monoxide concentration, etc.), and can achieve relevant control of remote nodes. This seems like a feature that most smart gateways can implement. However, its implementation forms are quite different.
Specifically there are the following:
1. DSL gateway
DSL technology supports symmetric and asymmetric transmission modes on the subscriber loop of the traditional telephone network (POTS). It utilizes existing telephone subscriber loop resources (copper wires) that have been extensively laid out to achieve high-speed subscriber line speeds at low cost. Solved the "last mile" transmission bottleneck that often occurs between network service providers and end users.

The DSL gateway integrates the functions of the SOHO router, home gateway, and home network (wireless and wired) into the DSL modem to form a single-device solution DSL router home gateway. If we integrate the functions of VoIP, we can further become a DSL integrated access home gateway.
2. Digital set top box gateway
The numerous electronic devices in digital homes bring inconvenience to users. Different devices are equipped with different control boards, display screens, and indicator lights, which make it difficult for people to manage them easily, and even hinder the popularization of digital homes.

The digital gateway set-top box can solve this problem well: by linking numerous information devices to the home network automatically, the home network is connected to the home control network using the bus technology. If necessary, connect them to the outside world. Ultimately, users can remotely control any device connected to the network through an easy-to-use remote control or a simple web page to experience a true digital home.
It is expected that smart gateways will go into ordinary homes, and the realization of smart homes will be easier.
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