With the continuous advancement of communication technologies, people are increasingly demanding experience of surfing the Internet. After experiencing 3G fast browsing on the Internet, many people can no longer tolerate 2G network speeds that are difficult to open web pages. They have experienced 4G speeds. "Internet surfing", some people can no longer tolerate 3G Internet access to watch the video repeatedly stuck; 5G further than 4G, when will it enter people's lives? Since last year's Ministry of Industry and Information Technology announced that it has started the first stage of 5G R&D testing, it has now gone through a full year and a half. What is the progress of R&D? 5G is a new generation of mobile communication technology. Compared with 4G, the most prominent feature is fast. The average network speed can reach 10Gbps, which is more than 100 times that of 4G networks. One high-definition movie can be downloaded in one second. In addition to speed, 5G has features such as large network capacity, short delays, and low power consumption. what does this mean? This means that wearable devices, smart cities, and even remote surgery are no longer just a concept. At the site of the 2017 China International Information and Communication Exhibition held in Beijing recently, a car that stayed on the booth attracted people's attention. Through the 5G test network, the steering wheel and accelerator can sprint on roads in Shanghai with a distance of 1,000 kilometers away. The test car is synchronized and the field of view of the test car can also be seen synchronously. The 5G network delay is only 0.5-10 milliseconds, and can control the brake error within 20 centimeters. In other words, the desire to drive in Shanghai can be completed without leaving home. China Mobile's booth introducer said: “We have a driving simulator at the site, and there are three high-definition screens to transmit video back to the scene. We have deployed 5G base stations and 5G terminals in the Jiading demonstration area of ​​Shanghai, passing 5G. The network connects Beijing and Shanghai." At present, China has built the world's largest 4G network, with a total of 2.789 million 4G base stations, accounting for 60% of the global total, which lays a solid foundation for the development of 5G. Now, China Mobile, China Unicom (600050, stocks), China Telecom's three major operators have already started the construction and testing of 5G system prototypes in Beijing, Shanghai, and Guangzhou. Zhang Zhihua, product manager of China Telecom's Jiangsu branch, said: "China Telecom will conduct small-scale commercial trials in six cities, and it will conduct commercial scale trials from June 2018 to December 2019. It will enter into large-scale commercial applications after 2020." It is understood that although it has been more than two years before China’s previously announced target of achieving 5G commercial use in 2020, domestic companies have commercial conditions and are ready to go in the 5G technology, system equipment, and other aspects of the upstream of the industrial chain. Especially in the 5G, including chips such as the independent research and development of new technologies, China has also made a very big breakthrough. The chief scientist of ZTE Communications said to Interarch: “The 5G indicator is very high. We have put forward some of our own technical standards, and the proportion of independent research and development has increased substantially, such as the most critical baseband chip.†China’s communications industry has achieved a catch-up from the 3G era to the synchronization of the 4G era and to the 5G leadership today. Wen Ku, director of the Department of Communication and Development of the Ministry of Industry and Information Technology, stated that China's 5G technology experiment has entered the second phase, and the second phase of the main content of the 5G new air interface test has also basically been completed. Currently, the 5G promotion group plans to build 5G outfields for 30 stations in Huairou, Beijing. Next, the 5G technology experiment will usher in the third phase, will follow the 5G unified international standards, and based on the commercial-oriented hardware platform, focus on the single-station network performance of pre-commercial equipment, as well as related interconnection and interoperability testing. Therefore, the follow-up system equipments and chips must be aimed at the 5G pre-commercial goals and fully meet the pre-commercial requirements. “Mainly integrating some of the technologies validated in the past year into a single system, and as the technology is developed, the standards are also advancing in the world at the same time, and some standards have gradually matured. From the current point of view, the peak rate, delay, mobility Progress in several areas is good, and some indicators are better than those we designed at the time." The industry expects that with the establishment of the first phase of 5G standards next year, including chips, system vendors, and downstream terminal applications companies, will fully invest in the industrialization of 5G, and there may be an industry upsurge next year. Ma Jiancheng, general manager of Datang Mobile, judged that next year China is expected to lead the world into pre-commercial status. "Now that system equipment has reached a state of close to practicality such as miniaturization and low cost, we expect that China will be able to enter the pre-commercial state next year." <p> t-shirts,shirts,jackets,coats,,blazers Guangdong ganzhou , https://www.cn-gangdao.com
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