摘要
为移动用户提供定位业务是今后移动通信系统必备的基本功能。在论述了移动通信系统中无线定位技术应用、定位系统分类的基础上,讨论了目前所采用的各种定位方法及其适用的范围和限制,分析了影响定位精度的各种环境因素,提出了在实际网络中采用定位技术应考虑的问题和提高定位精度应解决的问题。
Providing positioning service for mobile users is a basic function in future mobile communication systems. Applications of wireless positioning technology in the mobile communication,classification of positioning systems and schemes of positioning were described.Methods of positioning used and their features including suitable scope and limits were discussed.All kinds of factors which influence the precision of position locating were analyzed.Finally, the issues needed to be considering on positioning technology in communications networks and to be resolved on improving the precision of positioning are proposed.
出处
《吉林大学学报（信息科学版）》
CAS
2005年第4期378-384,共7页
Journal of Jilin University（Information Science Edition）
基金
吉林大学创新基金资助项目(2004CX006)
关键词
移动通信
无线定位
到达时间
波达方向
<Keyword>mobile communication
wireless positioning
time of arrival (TOA)
direction of arrival (DOA)
