论文部分内容阅读
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。
In this paper, we propose a new N-Model of path loss factor under the conventional RSSI logarithm model: Obtain RSSI data with ZigBee nodes in outdoor open area, and use logarithmic model, polynomial model and the model to do Curve fitting results show that the model is superior to the other two models in the case of short distance (<15m). In the long distance (15m ~ 110m), the polynomial model can achieve better results.