蓝牙和地图辅助行人航位推算的室内定位系统An indoor location system based on Bluetooth-corrected and map-matching aided PDR algorithm
赵小平,胡安冬,赵文晔
摘要(Abstract):
针对行人航位推算算法中误差积累的问题,提出并实现了一种蓝牙纠正+地图匹配辅助行人航位推算的室内定位方法:首先通过划分矢量域对手机航向角予以校正,削弱线性矢量域的累积误差,并使用蓝牙信号强度模型反演距离,达到纠正关键点的效果。实验结果表明,该方法在保证了PDR的实时性以及短时间内的高精度性的同时,大幅削弱了PDR的误差,在一定程度上提高了系统整体的精度、可靠性以及抗差性。
关键词(KeyWords): 行人航迹推算;蓝牙纠正;地图匹配;室内定位;航向角
基金项目(Foundation): 北京市教育委员会科技计划面上项目(KM201410853005);; 北京工业职业技术学院重点课题项目(bgzykyz201411)
作者(Author): 赵小平,胡安冬,赵文晔
DOI: 10.16251/j.cnki.1009-2307.2016.07.011
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