摘要
基于Android手机平台设计并实现了WiFi室内定位系统。该系统采用指纹定位算法,通过手机采集室内WiFi信息并建立数据库,当用户发出定位请求时,手机将扫描到的WiFi信息发送给数据库,通过匹配算法进行位置定位。通过对采集后的数据进行加权以及对数据库数据进行预先处理,降低了运算量,同时去除了较小的信号强度的干扰。实验表明,与传统算法相比,该系统定位精度大大增加。
This article designed and implemented the WiFi indoor positioning system on the Android mobile phone platform. The system uses fingerprint positioning algorithm,collects indoor WiFi information through the mobile phone and establishes the database. When a user sends a location request, mobile phone will scan the WiFi information, send them to the database, and do location based on matching algorithm. The positioning accuracy is improved by weighting to the collected data. In advance,the data in database is processed. It reduces the amount of computation, and at the same time removes the interference of the signal strength of the smaller. The experimental results show that the positioning accuracy of the system is greatly increased compared with the traditional algorithm.
出处
《电子技术应用》
北大核心
2017年第3期77-79,共3页
Application of Electronic Technique
