摘要
在紧急报警中,及时、准确地获得报警人地理位置信息对于报警指挥中心快速出警和调度是非常重要的,现有的低精度网络基站定位已经难以满足要求。本文提出一种利用SUPL协议和卫星定位实现的高精度紧急报警定位系统,可以大幅提升定位精度且易于实行。在由于卫星信号不佳等原因使高精度定位失败时,定位系统自动切换为现有基站定位系统。
It is of great importance in an emergency call to the police that getting to know the location information of the victim timely and accurately. The existing low-precision Cell-ID Positioning system is difficult to meet the requirements. This paper presents a high-precision positioning system, which can be easily accomplished by the SUPL protocol and satellite position-ing. The system will automatically switches to the Cell-ID when high-precision positioning fails due to the satellite signal or otherreasons.
出处
《电信网技术》
2015年第8期62-66,共5页
Telecommunications Network Technology
关键词
紧急报警定位
卫星定位
用户平面
SUPL协议
positioning system of emergency call, satellite positioning, user plane, SUPL protocol
