In the 4G era, in addition to being compatible with the traditional CDMA system, China Telecom's mobile phones will also be compatible with both FDD LTE and TD-LTE.
Just before the 4G license is about to be issued before the end of the year, people familiar with the situation learned that China Telecom began to prepare for 4G terminals. Among the three main types of terminals, China Telecom ’s 4G mobile phones are compatible with its traditional CDMA system. It will also be compatible with both FDD LTE and TD-LTE.
At present, relevant state departments have not issued 4G licenses, but Miao Wei, Minister of the Ministry of Industry and Information Technology, has previously revealed that 4G licenses will be officially issued before the end of this year. Therefore, it is inevitable to prepare 4G terminals before 4G commercial use.
The source revealed that some mobile phone manufacturers have recently received notices from relevant departments of China Telecom to inform China Telecom of their thoughts on 4G terminals. It is reported that China Telecom's current idea of ​​4G terminals is to promote mobile phones, Internet cards, MIFI, CPE and other terminals. Among them, 4G MIFI and Internet access can be required to be compatible with TD-LTE, FDD-LTE, CDMA2000; requirements for 4G mobile phones It is compatible with FDD-LTE, CDMA2000 and GSM at the same time.
In this case, in the 4G era, China Telecom ’s 4G terminals will be compatible with various 3G and 4G formats, especially China Telecom ’s 4G mobile phones can not only use the mature CDMA2000 3G network, but also be compatible with FDD-LTE, which is conducive to international mainstream Connect 4G mobile phones to achieve global roaming.
It is reported that the 4G mobile terminal demand book issued by China Telecom Guangzhou Research Institute has also been issued to various manufacturers, mainly in accordance with the relevant provisions of China Telecom Enterprise Standards and China Telecom mobile terminal commercial needs, combined with 3GPP2, 3GPP, CDG International The standards, as well as the preparation of the CCSA industry standards, have made customization requirements for the basic functions of LTE mobile phone terminals, mainly stipulating the requirements of China Telecom ’s LTE mobile phone and other terminal business functions, interfaces and operation processes. '
As stipulated in it, China Telecom ’s LTE terminals should support automatic network search and access, that is, if a certain standard (LTE, CDMA, GSM) network search network access is unsuccessful, in principle, the terminal should automatically switch to another standard for network search Access and cycle in turn according to the strategy.
It is reported that terminal manufacturers' enthusiasm for participating in China Telecom's 4G terminals is very high. On the one hand, China Telecom has a clear demand for 4G terminals. On the other hand, China Telecom has accumulated huge terminal industry chain resources in the 3G era.
At the Tianyi mobile phone fair in June this year, nearly tens of thousands of dealers participated in the purchase of Tianyi mobile phones in the second half of the year, far exceeding the previous 5,000, setting a new record for the Tianyi mobile phone fair and becoming the world's largest mobile phone. Fair. As of June this year, China Telecom's CDMA terminal brand reached 263.
At that time, Wang Xiaochu, chairman of China Telecom, also clarified the 4G strategy of telecommunications for the first time: FDD + TDD converged networking. At present, China Telecom's 4G network pilot is changing from 4 provinces to 31 provinces, and key cities have gradually launched FDD + TDD hybrid networking.
At present, China Mobile and China Telecom among the three major operators have deployed 4G quickly, but China Unicom is the most calm. From China Unicom's previous statement, it can be seen that in the next one or two years, it will not build 4G networks on a large scale, and will continue to dominate 3G networks, mainly due to the maturity of the three network standards.
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