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1999年,根据CDMA发展的需要,经信息产业部通信标准技术审查部批准,在CWTS(无线通信标准研究组)WG4(CDMA)工作组指导下,由信息产业部电信传输研究所负责起草制定了6个“800MHz CDMA数字蜂窝移动通信网”行业标准。这些行业标准的制定参考了相应的国内和国际标准,并依据当前中国国情作了适当的修改和补充。 1.《800MHz CDMA数字蜂窝移动通信网移动业务交换中心与基站
In 1999, according to the needs of CDMA development, the Ministry of Information Industry Ministry of Communications Standards Technical Review Department approved the CWTS (Wireless Communication Standards Study Group) WG4 (CDMA) Working Group under the guidance of the Ministry of Information Industry, Telecommunications Transmission Institute drafted the development 6 “800MHz CDMA digital cellular mobile communication network” industry standard. The development of these industry standards refers to the corresponding national and international standards and is appropriately revised and supplemented according to the current situation in China. 1. "800MHz CDMA digital cellular mobile communication network mobile service switching center and base station