The competition of 5G communication technology has already set off a wave in the world. The characteristics of high bandwidth and low delay make 5G technology very popular in artificial AI, autonomous driving, virtual reality and other fields. In April of this year, Huawei released a 6G white paper, bluntly saying: “6G will be introduced to the market around 2030.” These made many netizens complain: I don’t even use 5G, why is 6G coming?

Indeed, the domestic 5G network is developing rapidly, but the coverage rate is far less than that of 4G. At the same time, it is more concentrated in industrial and commercial fields such as manufacturing, mining, and energy management. experience, let alone 6G. But we can understand the changes in communication technology in advance from several issues of 6G technology. Maybe 5G technology will be used for civilian use in a few years?

Q: What is 6G?

A: Just as 5G is an upgraded version of 4G, 6G is an upgraded version of 5G technology. 6G is the sixth-generation wireless communication standard that applies the cellular network structure and will succeed the current 5G (fifth-generation) standard. However, 6G technology will not replace 5G4G, but new and old technologies will coexist and cooperate to improve our lives. Of course, like 5G, the competition in 6G will still be dominated by industrial and commercial uses, and the Internet of Things will be the biggest beneficiary.

Q: What are the characteristics of 6G?

A: Several generations of network communication progress are characterized by higher network speed and lower latency. 6G technology may reach 1000 Gbps, and the delay will be reduced to the microsecond level. Extremely low latency enables IoT and industrial applications to unleash more power. Another point is the expansion of the communication range. 6G mainly transmits data and signals through ground wireless devices and satellites, so as to cover the network to every corner of the world.

Q: What application scenarios does 6G have?

A: The satellite network provided by 6G will greatly enhance the transmission capability of networked devices. Therefore, since signals can be received in complex environments such as remote mountain villages and mines, it has important practical value for the construction of remote areas. In addition, it will have a great transformational role in the fields of natural disaster prediction, rescue search and rescue, satellite positioning, and autonomous driving. At the same time, the Internet of Things, virtual reality, holographic technology, and smart medical care will also usher in a new boost.

Q: When will 6G be available?

A: The research community generally believes that the first 3rd Generation Partnership Project (3GPP) standard release that includes 6G will be completed in 2030. Of course, the problems of high cost and low coverage of 5G have not been solved, and 5G civilian use cannot be realized. In the same way, how much does 6G cost? When will we use the 6G satellite network? I am afraid that the field of Internet of Things is still an experimenter of new technologies. Can it eat the technological dividend? These problems will be the test that 6G meets.

Reviewing Editor: Tang Zihong

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