摘要
移动通信是世界电信领域中发展最迅速,前景最广阔的技术,是通讯技术向信息时代全面发展的一个重要标志。建立在全球移动综合业务基础上的第三代通信系统(3rd Generation,简称为3G),为移动多媒体带来高速的数据传输带宽、完善的移动终端,同时提供多种优质的语音和非语音业务,是未来电信领域的发展方向,该文将对第三代通信系统的发展概况、结构、定位等做粗浅探索。
Mobile communication is the world's fastest growing telecommunications field,prospects for the broadest technology,communication technology to the information age,an important indicator of overall development.Mobile integrated services built on the basis of global third-generation communication system(3rdGeneration,referred to as 3G),to bring high-speed mobile multimedia data transmission bandwidth,perfect for mobile terminals,while providing a variety of high-quality voice and non voice services,is the future direction of development of telecommunications,the paper will be the development of third generation communication system overview,structure and orientation so shallow to explore.
出处
《电脑知识与技术》
2010年第4X期3302-3304,共3页
Computer Knowledge and Technology
关键词
第三代通信系统
网络概况
定位业务系统
定位方式
安全威胁
third-generation communication system
network profiles
positioning service system
positioning means
security threats