TD base stations will exceed 180,000 this year
Last weekend, China Mobile Vice President Li Yue revealed at the “First TD Industry Power Forum†that China Mobile ’s TD (3G network) base station construction scale will exceed 80,000 this year, plus 100,000 base stations in the current network, the total number of base stations There will be more than 180,000 and the network coverage will reach all cities, making TD the world's largest 3G network.
Li Yue introduced that from the pilot construction of the TD network in 2008 to the end of 2009, TD network coverage has expanded from 10 cities to 238 cities, the number of base stations has expanded from 20,000 to 100,000, and the network construction investment has exceeded 80 billion yuan , Covering more than 70% of prefecture-level cities nationwide. But he also believes that in the process of TD network construction, there are still problems of strengthening the coverage in the city and shortening the switching delay between the TD network and the GSM (2G) network.
TD networks rely on smart antennas to increase wireless gain, and smart antennas cannot be used in indoor coverage environments, so the problem of indoor coverage in TD networks has not been effectively solved. Li Yue said that if TD wants to have a good performance in indoor coverage, it must solve the application of smart antennas indoors through technological innovation in a short period of time, or use other 3G network wireless gain technology to apply to TD networks. In addition, there is currently a delay of about 10 seconds between TD and 2G network reselection switching. "Within the 10-second delay from 2G reselection to TD, customers cannot connect to the phone, which is also a big problem." Li Yue introduced that after China Mobile made some improvements in systems, optimized parameters, terminal chips, etc. last year, The reselection delay for TD and 2G networks has been shortened by 50% to 4-5 seconds.
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