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1999年11月初,由CATT（电信科学技术研究院）代表中国提出的移动通信技术建议TD-SCDMA（时分双工同步码分多址）被国际电信联盟（ITU）批准作为第三代移动通信技术建议方案之一;随后,ITU将TD-SCDMA标准技术方案的确定工作交给3GPP。3GPP为第三代移动通信项目组织,它
In early November 1999, TD-SCDMA (Time Division Duplexing Synchronous Code Division Multiple Access) proposed by China Telecommunications Technology Research Institute (CATT) on behalf of China was approved by the International Telecommunication Union (ITU) as the third generation mobile communication technology One of the proposed solutions; Subsequently, ITU will be the determination of TD-SCDMA standard technical solutions to the 3GPP. 3GPP for the third generation mobile communication project organization, it