【摘要】 A-GPS定位技术是目前移动运营商推出的移动位置服务中所采用的精度最高的定位方式,它结合了GPS定位技术及移动通信网络的优势于一身。文中主要介绍了A-GPS定位技术在3G中的应用。重点介绍了A-GPS定位技术的两个基本模型,及SUPL的原理和结构。更多还原

【Abstract】 A-GPS is adopted by mobile operation companies as the highest accurate position way in mobile location-based service.It combined the technology of GPS and mobile communication network.This paper introduces the use of technology of A-GPS in 3G network.In this paper,two basic model of A-GPS are introduced and the principle of SUPL is described.更多还原