基于多模指纹匹配的室内定位系统设计与实现

被引:11
作者
杨广龙
孔勇平
钟致民
张玉良
机构
[1] 中国电信股份有限公司广州研究院
关键词
多模指纹; 室内定位; 指纹匹配; 无线保真; 基站信号;
D O I
10.16208/j.issn1000-7024.2013.05.014
中图分类号
TN95 [雷达];
学科分类号
080904 ; 0810 ; 081001 ; 081002 ; 081105 ; 0825 ;
摘要
通过分析近年来基于WiFi信号强度检测的室内定位技术研究成果,提出了一种基于WiFi和运营商基站信号(GSM、CDMA2000、WCDMA)等多模信号指纹匹配的室内定位系统。该系统采集WiFi和基站等无线多模信号,经过归一化、平滑化过滤生成与室内定位点相匹配的多模指纹数据库,通过移动终端实时获取的多模指纹信号与多模指纹数据库匹配,从而实现精确的室内定位。实验结果表明,系统能够实现室内精准定位,并对于WiFi信号的变化有较强的适应性。
引用
收藏
页码:1896 / 1901
页数:6
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