ZigBee网络中RSSI的测距模型分析Analysis of RSSI ranging model at ZigBee network
陈群,高星伟,郭杭,李英成,李海涛,王恩泉,徐彦田
摘要(Abstract):
本文在分析常规的RSSI对数模型下,提出一个新的路径损耗因子动态变化模型(N-Model):在室外空旷地带用ZigBee节点获取RSSI数据,分别用对数模型、多项式模型以及本模型做曲线拟合,结果表明在短距离(<15m)情况本模型优于另两种模型。在中长距离(15m~110m)的情况下,多项式模型能达到较好的效果。
关键词(KeyWords): RSSI;对数模型;多项式模型;路径损耗因子;ZigBee
基金项目(Foundation): 中国测绘科学研究院基本科研业务费项目(7771017/7771020);; 科技部国际合作项目(2010DFA70990);; 江西省国际合作项目(2009BHA18300)
作者(Author): 陈群,高星伟,郭杭,李英成,李海涛,王恩泉,徐彦田
DOI: 10.16251/j.cnki.1009-2307.2012.05.025
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