China Mobile launches new call technology test: 4G voice
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Although some 4G users feel that China Mobile's 4G voice calls have a delay phenomenon, Li Yue, president of China Mobile, said that 4G has a shorter delay characteristic, and China Mobile is solving the research and development and commercialization issues of Volte. According to some technical statements, the 4G mobile phones used by China Mobile have reduced the wireless network delay compared to its 3G TD-SCDMA mobile phones; the user delay during use is less than 0.05 seconds, which is only 1/4 of 3G. This is described as that even at high speeds of hundreds of kilometers per hour, Mobile 4G can still provide services. Li Yue also believes that 4G has better spectrum utilization and 4G has a shorter delay. He said, "We can quantitatively say that the delay of our access to the Internet in the 3G period is 100 milliseconds, while in the 4G period it is 20 to 30 milliseconds." Regarding the voice delay problem, the converged communication business will start field testing in 5 cities in the second quarter of this year, and strive to achieve full commercialization next year. Converged communications include three aspects. New calls refer to calls with higher quality, higher efficiency and faster speed. The call delay is shortened to less than 2 seconds. There is only 0.8 seconds delay between 2 VO-LTE. It can support high-fidelity calls, multimedia calls and video communications, which has changed the traditional mode of communication phone coding. He also said that 4G will also have lower costs. Compared with 3G and 2G, the cost is greatly reduced, and compared with 3G, the cost of 4G is greatly reduced. Xi Guohua, chairman of China Mobile, said that it is expected that by the 5G era, the transmission rate of wireless networks should reach the access rate of optical fibers, and it should be used with zero delay, and there should be the ability to connect hundreds of billions of devices. As a winner of Toutiao's Qingyun Plan and Baijiahao's Bai+ Plan, the 2019 Baidu Digital Author of the Year, the Baijiahao's Most Popular Author in the Technology Field, the 2019 Sogou Technology and Culture Author, and the 2021 Baijiahao Quarterly Influential Creator, he has won many awards, including the 2013 Sohu Best Industry Media Person, the 2015 China New Media Entrepreneurship Competition Beijing Third Place, the 2015 Guangmang Experience Award, the 2015 China New Media Entrepreneurship Competition Finals Third Place, and the 2018 Baidu Dynamic Annual Powerful Celebrity. |
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