Shulou(Shulou.com)11/24 Report--

On March 29, CTOnews.com, Wang Jiangping, Vice Minister of Industry and Information Technology, delivered a speech at the Boao Forum for Asia 2023 sub-forum on "promoting the Digital economy". He said that China holds an open attitude towards the development of 6G and hopes that people and enterprises from all over the world will adhere to win-win cooperation and work together to promote the development of 6G technology and contribute to the world mobile communications.

Wang Jiangping said: globally, 6G technology is currently in the research stage of vision requirements and key technologies. What exactly can 6G do? What kind of technology is needed to achieve the vision and goals. The Chinese government attaches great importance to the development of 6G and set up a 6G work Promotion Group in 2018, gathering industry-university-research talents to promote the vision needs of 6G and research on key technologies, carried out some experiments, and set up a 6G Development Forum.

According to ITU, 6G technology will be available for commercial use around 2030. According to CTOnews.com, the transmission capacity of 6G in the terahertz (THz) band is 1000 times higher than that of 5G, and the network latency is reduced from milliseconds to microseconds.

At the 2023 annual meeting of the China Development Forum, Liu Liehong, chairman of China Unicom, revealed that the information and communications industry basically shows the characteristics of a decade, and 6G will still strive to continue this law of development.

Liu Liehong said that it is currently in the early research stage of 6G technology, and the scenario of 6G application will be launched by 2025, the research of 6G early technology will be completed, and the engineering research phase of 6G technology will be started by 2026. It is expected that 6G will be promoted to the stage of large-scale commercial use in 2030.

At present, various countries around the world are developing early related technologies of 6G, and the ITU of the International Telecommunication Union is still in the process of continuous research and discussion on the vision and trend of 6G, which still has a long way to go to form a global consensus and guide the global development of 6G.

Wu Hequan, academician of the Chinese Academy of Engineering, said that the form of 6G terminals is likely to be dominated by smartphones and Internet of things modules. Due to the limited demand for XR, 3D and holographic communications related to metasmology, it is not enough to become the core application that drives the development of 6G at present.

Wu Hequan said: "the smartphone is still the most important application of 6G, and making calls is the most basic, which is no different from 5G, or even 3G or 4G. What needs to be increased may be the ability to access the satellite Internet and the ability to talk at high speed. 6G's high bandwidth will make data transmission faster. But unless it is very large-scale data, users may not know the difference from 5G or even 4G."

"6G will be used in industry to a large extent. Compared with mobile phones, industrial modules need more power, wider channel, more connections, low delay, high precision positioning, high reliability, and end-to-end direct connection. They also want to integrate the enterprise's PLC data acquisition / control functions, edge computing functions, and open programming." Wu Hequan said, "Industrial applications are harsh on ambient temperature, have to resist electromagnetic interference and earthquake resistance, have strict requirements for intrinsic safety and explosion protection, and also be able to work for a long life and avoid maintenance, but because of the individualization of the application, the requirements of each factory are different. it will lead to the high cost of industrial modules, which is very difficult to popularize."

In addition to industrial modules, vehicle terminals can also be regarded as industrial modules. Wu Hequan said that the vehicle terminal has its own characteristics, and the car can be connected directly, but from the point of view of the network, there is no cooperation between the car and the car, and more attention should be paid to low delay, high security and high precision positioning in the vehicle network. this is also a challenge for 6G. Another major application of 6G is the Internet of things. Wu Hequan said that the Internet of things terminal does not require high bandwidth, it requires low power consumption, low delay, low cost, Dalian connection, high density, high reliability, precision positioning, and long life. so another dimension of 6G terminals is how to be lighter, cheaper, simpler, and not more complex.

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