IMT2000中的无线传输技术

在比较各种RTT特点的基础上，结合我国移动通信发展的需求，从国家、运营商、民族通信制造技术和广大用户的利益出发，提出了对我国第三代移动通信发展的看法：首先发展和使用基于我国提出的TD－SCDMA RTT建议所形成的CDMA TDD技术和产品，在大中城市内，提供基于GSM核心网的第三代移动通信服务。然后，再考虑建设全IP核心网和使用FDD技术及系统的问题。

THE RADIO TRANSMISSION TECHNOLOGY IN IMT2000

On the basis of a comparison of the characteristics of different RTTs and taking into ac count the needs of the developmeot of China's mobile communications and the interests of the country, its operstors and its users, the author expresses the following view concerning the development of 3G in the country: First to develop and use CDMA TDD technologies and products developed on the basis of China's proposal on TDSCDMA RTT and provide 3G services based on the GSM core network in farce- and medium-sized cities. and then to consider building a full IP core network and using FDD technology and systems.