From the perspective of infrastructure, the total number of 5G base stations in my country has exceeded 800,000, accounting for more than 70% of the world, and the number of 5G base stations used in the industrial Internet has reached 32,000. The construction and deployment plan of industrial 5G private network is becoming more and more mature, virtual private network has become an effective way to lower the threshold of 5G application for small and medium-sized enterprises, and hybrid virtual private network has become the main choice for deepening 5G application.

According to statistics, more than 70% of the projects currently deploying 5G networks use the above private network deployment methods. In addition, the integration of new network technologies such as 5G and TSN is accelerating. 3GPP incorporates TSN technology into the 5G standard to meet the high reliability and deterministic requirements of the 5G bearer network, and will further enhance the 5G network in terms of delay jitter and time synchronization. Released, the 5G network carrying capacity will be further strengthened.

At present, a large number of typical application scenarios and innovative application practices of "5G + Industrial Internet" have emerged under the collaborative exploration of industrial enterprises, basic telecommunications enterprises and other industries. According to the "Ten Typical Application Scenarios and Five Key Industry Practices of "5G + Industrial Internet" issued by the Information and Communication Administration of the Ministry of Industry and Information Technology on May 31, the current 5G and R&D design, manufacturing, quality inspection, fault operation The combination of industrial links such as maintenance, logistics and transportation, and safety management has formed collaborative R&D and design, remote equipment control, equipment collaborative operation, flexible manufacturing, on-site auxiliary assembly, machine vision quality inspection, equipment fault diagnosis, factory intelligent logistics, no 10 typical application scenarios of "5G+Industrial Internet", such as human intelligent inspection and production site monitoring, embody the six major modes of industrial Internet, including digital research and development, intelligent manufacturing, personalized customization, networked collaboration, service extension, and lean management. . These typical application scenarios have been applied to a certain scale in the five major national economic industries of electronic equipment manufacturing, equipment manufacturing, steel industry, mining industry, and power industry, and have strong replication, promotion and application demonstration value.

"5G + Industrial Internet" promotes fundamental changes in industrial production methods, enterprise organization methods, and industrial development models through digital means, and has achieved remarkable results in reducing costs and improving quality and efficiency. In terms of cost reduction, scenarios such as remote equipment control, unmanned intelligent inspection, and production site monitoring help enterprises to achieve unmanned and less labor-intensive production. In the mining field, 5G is used to realize unmanned mine truck driving and underground mining, reduce the incidence of accidents such as casualties, realize the control of multiple equipment by one person, and completely unmanned operation of transport vehicles, effectively solving the problem of safe driving in mining areas, and improving equipment operation efficiency by 10%. %above. In terms of quality improvement, on-site auxiliary assembly, machine vision quality inspection, equipment fault diagnosis and other scenarios improve product quality and ensure yield. The steel industry has deployed a 5G+8K surface inspection system, changed the existing sampling inspection mode to achieve full product inspection, increased the steel defect detection rate to more than 90%, and the defect identification rate to more than 85%. In terms of efficiency enhancement, scenarios such as equipment collaborative operation, flexible manufacturing, factory intelligent logistics, and unmanned intelligent inspection support enterprises to optimize production processes and improve production efficiency. The electronic equipment manufacturing industry realizes wireless connection through 5G network, completes the transformation of "cutting pigtails", shortens the flexible production time from 2 weeks to 2 days, and realizes the change from "multi-step one inspection"

Industrial enterprises, basic telecommunications enterprises, equipment manufacturers and other industries have a strong willingness to cooperate, jointly focus on the pain points and difficulties in the development of industrial enterprises, dig in-depth application scenarios and needs, jointly formulate solutions, and coordinate implementation and deployment. Complementary advantages, exploring the formation of the "team competition" development model. The prices of key products such as 5G chips and modules have been greatly reduced, and the supply capacity has been steadily improved. According to incomplete statistics, the number of 5G modules released by Chinese companies is close to 50, and a number of industrial integration terminal products such as drones with 5G communication capabilities have emerged. As of April 2021, a total of 387 industrial-grade CPE equipment have been released worldwide. According to reports, China Unicom has recently launched a low-cost "Yanfei 5G module" in conjunction with various parties in the industry. By cutting unnecessary functions, the price of 5G industrial modules has been reduced from the previous nearly 1,000 yuan to 499 yuan, which is expected to Opening a rapid downward channel for 5G module prices is conducive to gradually eliminating price barriers.

At present, each region is adapting measures to local conditions and combining local endowments to accelerate the development of a new model of "5G + Industrial Internet", forming a regional development pattern with its own characteristics. Innovation is active in the Yangtze River Delta region. Three provinces and one city have issued policies to support the development of "5G + Industrial Internet", and have carried out explorations in nearly 20 fields such as textiles and metal products. The Guangdong-Hong Kong-Macao Greater Bay Area has a good foundation for industrial digitalization, and has created 8 "5G + Industrial Internet" demonstration areas in the fields of steel, home appliances, and electronic equipment manufacturing. The Beijing-Tianjin-Hebei region is dominated by characteristic industries such as electronic equipment manufacturing, giving full play to the centralized advantages of central enterprises and forming a number of typical application solutions. Enterprises in the western region focus on innovative practices in the field of coal mining and washing, and the applications in Inner Mongolia, Shanxi, Shaanxi and other provinces are more prominent. The Northeast Old Industrial Base has made in-depth explorations in the fields of metal products, agricultural and sideline food processing, etc. In addition, Hunan, Jiangsu and other places have built "5G + Industrial Internet" integrated application pilot areas, created advantageous industrial clusters, formed a good demonstration role, and accelerated replication and promotion.

(Author: Cao Jiguang, Deputy Director, Institute of Technology and Standards, China Academy of Information and Communications Technology)

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