摘要
首先分析了蜂窝网无线定位的多种定位方案及其可达的定位精度。其次,调研了定位能力的市场需求,并对CELL_ID定位、三角定位(TOA/TDOA)、蜂窝网指纹定位、multi-RTT定位这4种典型的蜂窝网定位技术原理进行了深入探讨。同时,在某地进行了4G指纹定位落地测试,并分析了测试结果。最后,阐述了中国联通定位能力产品的产品架构,并探索定位能力的商品化进程。
It firstly analyzes the positioning schemes and the positioning accuracy in cellular networks.Secondly,it investigates the market demand of positioning ability,and four typical cellular network location technologies including CELL_ID positioning technology,TOA/TDOA technology,cellular network fingerprint positioning technology and multi-RTT positioning technology are discussed.At the same time,4G fingerprint positioning landing test are carried out in a certain place,and the test results are analyzed.Finally,the product architecture of positioning capability products of China Unicom is elaborated,and the commercialization process of positioning capability is explored.
作者
徐亚楠
蔡超
杨立辉
冯瑜瑶
Xu Ya’nan;Cai Chao;Yang Lihui;Feng Yuyao(China United Network Communications Group Co.,Ltd.,Beijing 100033,China)
出处
《邮电设计技术》
2021年第10期33-37,共5页
Designing Techniques of Posts and Telecommunications
关键词
蜂窝网定位
技术原理
产品架构
Cellular network positioning
Technology principle
Product architecture