CDMA1X enhanced 3G network has covered the main business district and downtown Shanghai
When using a mobile phone dropped, no signal, or call the voice quality is not good, these problems will no longer exist in the 3G era." China Unicom mobile business manager Kong Xianghua held yesterday in the 2005 mobile communication network planning and optimization seminar, said China Unicom 3G network planning has been basically completed.
This means that, as the only one operating G, C dual network operators, large-scale construction of 2G GSM and CDMA network era has come to an end, and Chinese Unicom's 3G network has surfaced. China Unicom first started 3G network operations in Macao. 3 days ago, Chinese Unicom chairman Chang Xiaobing went to Macao presided over the opening ceremony of 3G network operation.
Kong Xianghua said, in fact, in the planning of 3G network test, China Unicom will branch in all parts of the country have set up a network planning and network optimization of the professional team, timely solve new problems encountered in the process of actual operation.
"Daily economic news" from China Unicom Shanghai branch was informed that Shanghai has basically formed a CDMA1X enhanced quasi 3G network of local coverage, at present, the city center and the main business district coverage has been completed. CDMA1X enhanced technology is only one step away from the 3G standard. The prospective 3G network will be the future of China Unicom 3G network deployment in Shanghai.
The official said, Shanghai has been part of the office, hotels and other public places in the mobile cover equipment replacement for 3G products.
China Unicom Guangdong branch Liu Rong said, Guangdong Unicom's 3G network and Motorola, Lucent and other companies to cooperate, the current construction is good.
Data show that if China Telecom and China Netcom to get 3G license, will be invested 30 billion yuan 3G, China Mobile will invest $60 billion.
Chinese Unicom 3G upgrade investment will be greatly less than China Mobile, but the deputy chief engineer of the Ministry of information industry, the Telecommunications Research Institute of planning and design of Zhang Zhiqiang repeatedly stressed: "2G to 3G evolution must avoid major mistakes in 2G network construction, reduce duplication." This view has been recognized by Beijing University of Posts and Telecommunications Professor, doctoral tutor Yang Dacheng.
Experts said that the Telecommunications Research Institute of the Ministry of information industry has laid out a "prescription" network to the six operators of domestic manufacturers, but eventually die a natural death. Unicom only one branch, the cost of treatment spent 3 billion yuan.
"If there is no general guiding ideology, it will be difficult to solve the problems encountered in the future." Zhang Zhiqiang, deputy chief engineer, said. He believes that the current focus on solving the problem of 3G network construction, including: 3G network overall construction guiding ideology, 3G network layout structure, 2G to the coordinated development of the evolution of 3G, improve network utilization, etc..
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