The Internet of Things is an important component of the new generation of information management technology, and it is also an important economic development research stage in the "information" era. The basic concept of the Internet of Things was put forward by the United States in 1999. automatic probe station The "Internet of Things related concept" is a network security concept that extends and extends its client to any item for data information social exchange and communication between items on the basis of the "Internet enterprise concept".

The Internet of Things (Internet of Things), is recognized at home and abroad, is the Massachusetts Institute of Technology automatic identification Center professor Ashton first proposed to study RFID in 1999, when it was called sensor network. private 5g It is defined as the use of information sensing devices such as radio frequency identification (RFID), infrared sensors, global positioning systems and laser scanners to connect any object to the Internet according to an agreed protocol, a networking concept that exchanges and transmits information for intelligent identification, positioning, tracking, monitoring and management.

It mainly includes two meanings: first, the core and foundation of the Internet of Things is still the Internet, which is an extension and expansion network based on the Internet; Secondly, its client extends and extends to any object and carries out information exchange and communication, that is, information between objects. private lte The Internet of Things is widely used in network integration through intelligent perception, identification technology, ubiquitous computing and other communication sensing technologies, so it is called the third wave of the development of the world information industry after the computer and the Internet, and is the application of the Internet.

The essence of the Internet of Things is reflected in three aspects: first, the characteristics of the Internet of Things, that is, the Internet of Things must be able to achieve the interconnection of items that need to be connected to the Internet of Things; Second, the identification and communication characteristics of the Internet of Things, and third, the intelligent characteristics of the Internet of Things, that is, the network system should have the characteristics of automation, self-feedback and intelligent control.

The principle of the Internet of Things is to build an "Internet of Things" covering all things in the world on the basis of the computer Internet and the use of wireless data communication technology. In this network, goods (goods) can "talk" to each other without human intervention. Its essence is the use of radio frequency automatic identification (RFID) technology, through the computer Internet to achieve the automatic identification of items (goods) and information sharing.

RFID is a kind of science and technology that we can make things "talk". In the concept of "Internet of Things", RFID tags store standardized and interoperable information, which can be automatically collected to the central government information service system through the use of wireless data communication network, so as to realize the identification of Chinese goods (goods), and then students can realize the exchange and sharing of enterprise information society through an open computer network economy. Achieve "transparent" management of items.

Iot classification:

Private IoT, which generally provides services within a single organization;

Public Internet of Things, based on the Internet to provide services to the public or large user groups;

Community IoT, which provides services to relevant "communities" or institutional groups (such as municipal councils, such as public security bureaus, transportation bureaus, environmental protection bureaus, urban management bureaus, etc.);

Hybrid IoT is a combination of two or more of the above iot, but there is a unified operation and maintenance entity behind it.