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在一片欢腾喧闹声中,2002年1月8日,通信业界翘首以待的中国联通CDMA网开通仪式在人民大会堂隆重举行,一个崭新的中国移动品牌——联通“新时空”也在世人面前亮相。根据联通现有的GSM频率资源测算,其网络的最大容量为5000万户,CDMA的出现,为其赢得了CDMA800MHz频段中10M频率的宝贵资源,支持1-2亿用户绝对不成问题。并且,联通提出了与以往IS-95A CDMA网络建设不同要求,即建设增强型IS-95A CDMA网络,主要体现在支持国际漫游、支持机卡分离模式、向1XRTT系统的平滑演进以及对无线智能网业务的支持,在所有设备都采用了开放的A接口的基础上,联通也在加紧做好各厂商设备之间的互联互通问题,联通“新时空”总经理王颖沛表示,“要建设一个世界上最好的CDMA网络”。
In a jubilant noise, January 8, 2002, the communications industry waiting for the unveiling ceremony of China Unicom’s CDMA network was held in the Great Hall of the People, a brand new Chinese mobile brand - China Unicom “new space and time” is also in the world Appearance According to China Unicom’s existing GSM frequency resource measurement, the maximum capacity of its network is 50 million. The advent of CDMA has won its valuable resource of 10 Mbps in the CDMA800 MHz frequency band. Supporting 1-2 billion users is absolutely not a problem. In addition, China Unicom proposed different requirements for IS-95A CDMA network construction in the past, namely building an enhanced IS-95A CDMA network, which is mainly reflected in the support of international roaming, support of card separation mode, smooth evolution to 1XRTT system and wireless intelligent network Business support, in all devices are based on the open A interface, China Unicom is also stepping up the interoperability issues among manufacturers of equipment, Unicom “new space and time,” Wang Yingpei, general manager, said, “To build a world Best CDMA network. ”