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Range Data Correction for Improved Localization

机译:范围数据校正以改善定位

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摘要

We present a method to correct noisy range data to improve localization performance in wireless sensor networks. Mutual ranges between nodes are determined by node positions, and in typical deployments the communication links over which range is measured greatly exceeds the number of unknown node coordinates. We exploit this redundancy to reduce range error. A remarkable feature of our method is that redundancy is exploited strictly in the space of measured ranges, without requiring the construction of a coordinate system. Experimental results in indoor and outdoor environments using our proposed technique show reductions in location error between 35% and 60%.
机译:我们提出了一种校正噪声范围数据的方法,以改善无线传感器网络中的定位性能。节点之间的相互范围由节点位置确定,在典型部署中,测量范围的通信链接大大超出了未知节点坐标的数量。我们利用这种冗余来减少范围误差。我们方法的一个显着特征是,冗余度是在测量范围内严格利用的,而无需构建坐标系。使用我们提出的技术在室内和室外环境中进行的实验结果表明,位置误差减少了35%至60%。

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