摘要
室内定位导航是GPS难以解决的问题,而室内WiFi覆盖率的提高、Android手机广泛的市场占有率及其系统的可扩展优势,使基于Android的WiFi定位导航成为用户室内位置自服务的主导方式,然而能够适应手机内存等硬件约束的微地图开发研究明显不足,极大地限制了室内手机导航的应用.研究利用Android自带的Android Studio开发模块和SQLite轻型数据库,基于指纹库和KNN位置匹配算法,设计了一套适用于手机导航的室内定位导航微电子地图.经不同Android版本的手机测试,系统运行良好,精度和效率较高,满足手机室内定位导航地图小、灵、精、快等基本要求,并能实现室内空间门户相邻和属性共享情况下的精确定位.
Indoor navigation and positioning is a difficult problem in GPS study.However,with the improvement of indoor WiFi coverage and the wide market share of Android phones and its extendable advantages of the system,the Andorid-based WiFi positioning and navigation become the dominant mode of indoor self-service for users.Since the research on we-maps which can solve the problem of the hardware constraints is obviously insufficient,so it greatly limits the application of indoor mobile phone.Based on fingerprint database technology and KNN location matching algorithm,this study uses Android Studio development module and SQLite light database,and designs a set of indoor positioning and navigation microelectronic maps suitable for mobile phone navigation.According to the tests of different Android versions of mobile phones,the system runs well with high accuracy and efficiency,which can meet some basic requirements of small,smart,precise and fast,and can realize the accurate positioning under the condition of adjacent indoor space portals and property sharing.
作者
段焕娥
杨正华
杨树文
李雪梅
DUAN Huan-e;YANG Zheng-hua;YANG Shu-wen;LI Xue-mei(Faculty of geomatics,Lanzhou Jiaotong University,Lanzhou 730070,China;Gansu Provincial Engineering Laboratory for National Geographic State Monitoring,Lanzhou 730070,China;Lanzhou Geotechnical Investigation and Surveying Institute,Lanzhou 730070,China)
出处
《兰州交通大学学报》
CAS
2019年第4期109-113,共5页
Journal of Lanzhou Jiaotong University
基金
国家重点研发计划资助(2017YFB0504201)
国家自然科学基金(41401050)
作者简介
段焕娥(1972-),女,甘肃镇原人,副教授,博士研究生,主要研究方向为地理空间信息分析及可视化.E-mail:duanhuane@mail.lzjtu.cn.
