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首页> 外文期刊>Wireless personal communications: An Internaional Journal >A WiFi-Based Weighted Screening Method for Indoor Positioning Systems
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A WiFi-Based Weighted Screening Method for Indoor Positioning Systems

机译:基于WiFi的室内定位系统加权筛选方法

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摘要

Past studies of WiFi-based indoor positioning systems (IPS) have mainly been divided into three types of positioning: proximity, trilateration, and scene analysis. This paper proposes a WiFi-based weighted screening method (WSM) to improve displacement error in trilateration. WSM is designed for part of pedestrian navigation in indoor environment which most likely use smart phone as the WiFi signal detector. Thus the less computational power consuming, irregular deploying position of APs and the irregular RSSI variation are all take into consideration when designing WSM. Experiment results show that this method performs better than conventional matrix method and the error correction algorithm, one trilateration in IPS.
机译:过去基于WiFi的室内定位系统(IPS)的研究主要分为三种类型的定位:接近度,三边测量和场景分析。本文提出了一种基于WiFi的加权筛选方法(WSM),以改善三边测量中的位移误差。 WSM专为室内环境中行人导航的一部分而设计,该环境最有可能使用智能手机作为WiFi信号检测器。因此,在设计WSM时,要考虑到计算量较少,AP的部署位置不规则以及RSSI的不规则变化。实验结果表明,该方法的性能优于传统的矩阵方法和纠错算法(IPS中的三边测量)。

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