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 4 G standard next year set |
Nanjing university of posts and telecommunications communication and information engineering expert professor thinks, although SongRongFang 3G video to have made an important step forward, but not fundamentally change the wireless structures. Originally formulated 3G bandwidth is very limited, many users at the same time use video is more difficult, but the bandwidth is the "3G 10 times, the spectrum is about 10 times, the utilization rate of 3G throughput is 100 times, can realize the broadband to users.
In early 2001, China started the project research, "before 2003, key technology of key development after entering system integration demos and demonstration. According to the development of 3G, from the technical standards to determine the commercially available, about 10 years. At present, our country has entered into the 4G technology research field experiment. China mobile in next test on a large scale.
China mobile, wireless technology research institute DingHaiYu assistant director, said China mobile to start next year, the experiment on a large scale. China mobile has been in the international expansion, standard, product development, test certification, etc have used many ways of promoting the TD - LTE.
At present, DingHaiYu said mobile broadband business requirements, the deployment of LTE has reached a global operation development phase, Now in the place such as Switzerland, many operators are being deployed to the development of LTE is determined, the target can be formed in 2010, the ability of LTE commercial.
About starting process of r&d, LTE - at work, "said DingHaiYu believed that the advance of the measures, LTE finished the concept of the application stage, has gradually into a small application stage."
DingHaiYu says, is expected to double in 2010, will begin to prepare for large-scale experimental, promote whole TD - LTE starts unceasingly on development and application.
In Geneva, 2009 world DianXinZhan China mobile has top, next march, China mobile in Shanghai expo garden of TD - LTE experimental network will provide the technology based on starting - LTE high-definition video conference, 3d imaging technology and hd images acquisition system applications.
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