3G标准、技术体制的比较

The Comparison of 3G Standards and Technology

本文介绍了3G发展的基本情况,WCDMA、CDMA2000和TD-SCDMA标准的发展情况,比较3种主流技术体制的基本原理和物理特征、标准制定、系统性能(容量和覆盖)、业务提供能力、漫游能力、商用成熟度、知识产权等,分析了3G的业务能力,从而为选择不同技术体制和商用化提供参考。

This thesis introduced the development of 3G technology and the progress of standards of WCDMA, CDMA2000, TD-SCDMA. Meanwhile, a comparison of 3 standards has also been made in the following aspects: basic principles, physical features, standards, system capability, service ability and so on. It also analyzes the service. This thesis provides reference for the choice of 3 technologies for operator and commercialization.