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What is a 5G private network?

A 5G private network can be a local 5G network, or a private 5G network, which refers to a mobile communication network dedicated to a specific industry or enterprise. What we commonly use is that the 2/3/4/5G mobile communication network used by mobile phones is called the public network. The public network is of course everyone’s “public place”, and everyone uses the same network. Private networks have appeared in many fields, as early as the 2/3/4G era, in the public security, military and security departments. Entering the 5G era, the utilization rate of private networks will become higher and higher. This is because the greatest value of 5G lies in the 2B vertical industry market and in entering more industries. In the future, factories, oil fields, and other industries may have 5G private networks to take advantage of 5G’s large bandwidth, low latency, high reliability, multi-connection network capabilities and edge computing, improve efficiency, and improve people’s lives and work. convenient.

The enterprise independently builds itself based on the dedicated network frequency band, completely isolated from the public network.

Let’s first understand the composition of the 5G network. Simplified, the 5G network is mainly composed of UDM, 5GC CP, UPF, MEC and gNB.

In short, a private network is a private network that provides network communication services for specific users. The difference between a public network and a private network is mainly that the public network serves the public while the private network serves specific objects.

There are 7 different ways of 5G deployment. Each architecture has advantages and disadvantages. No one architecture can be suitable for all situations. Enterprises should choose the most suitable architecture according to their own requirements and implementation/operation budget.

The industry has always placed high hopes on 5G private networks. Although there are certain challenges in the development process, with the continuous improvement of technology, the number of private network deployments has also begun to increase.

The private network is mainly aimed at the 2B end network, and the public network is mainly aimed at the 2C end network. According to the broad definition, wireless communication can be divided into two parts: private network communication and public network communication. Private network wireless communication mainly refers to the communication network that follows the IPv4 and IPv6 specifications and adopts the private IP network address space; the public network mainly refers to the communication network. Communication network used by public users.

In terms of the gap between the two, the private network carries out signal coverage in a specific area, which makes up for the range that the public network cannot cover. Because the private network has a higher demand for technical reliability, the overall security and anti-interference ability are better than the public network. The coverage physical range is smaller than the public network and the demand scenario is relatively certain, and its professionalism and specificity are high. From the application side, private networks are dedicated to specific industries or enterprises such as government, military, public security, energy, fire protection, rail transit and other departments or fields, and are widely distributed in 2B end application scenarios such as emergency communications, dispatching and command; the main public network channels are individuals Public users such as, enterprises, etc., prefer 2C end customers to achieve the role of wide connection in the society.

The private network is mainly for the 2B end, and the public network is more inclined to the 2C end. Civilian private networks are born out of telegraph technology. At present, my country’s private networks are mainly focused on analog and digital narrowband communications, and are in the process of analog-to-digital conversion. After World War II, private network wireless communication ushered in the development trend from military to special industry applications. From the perspective of technological development in different industries, my country began to install wireless dispatching systems (wireless train dispatching) on ​​railways in the 1950s to realize voice dispatch and command and continue to use it today. At present, passenger dedicated lines are gradually shifting to GSM-R; in the mid-1980s, my country introduced analog trunking technology (relay system), which is mainly used by government departments. The efficiency of analog trunking is low, and the whole is in the process of smooth upgrading to digital trunking.

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Post time: 12-23-2021


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