【摘要】 当前,移动用户对基于无线定位技术的新业务的需求不断增加,推动了对无线测距及定位技术的深入研究,向用户提供精确的定位信息已经成为新一代PCS系统的标准业务之一。主要介绍几种基于现有蜂窝通信系统的无线定位技术的实现原理,所要解决的主要问题和应用前景。更多还原

【Abstract】 Today,application for the location of subscribers of wireless services continues to expend.Consequently,location techniques for wireless technologies are being investigated.Providin g accurate location information to s ubscribers is a standard service in new PCS and cellular systems.This article discusses the methods of radio location available for it implement ation in current cellular networks and the problems encountered when use them in positioning.更多还原