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A measurement procedure for the optimization of a distributed indoor localization system

机译:优化分布式室内定位系统的测量程序

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摘要

Location-based services and indoor navigation are just two examples of applications that can draw big advantages from indoor localization systems. Although there are different mature technology for the outdoor scenarios, a single accepted and reliable solution for the indoor case still lacks. Many technology have been investigated but the one promising the best accuracy in the position estimation is based on ultrasound. A solution developed in this context in introduced is this paper. A localization system is briefly discussed and, an assessment procedure, aimed at determining the optimal choice in designing a specific node of a Wireless Sensor Network composing the localization system, is addressed. In particular, the experimental assessment, was aimed at finding the optimal circuit parameter maximizing both the operative range and the noise rejection of an anchor node by investigating the maximum reading range variation and the accuracy of the reading itself as functions of a threshold value of a comparator stage. Results show that, if the application of interest requires to optimize the operating range of the localization system, the optimal working condition could be defined as the one assuring the maximum system specificity guaranteeing the largest operating range.
机译:基于位置的服务和室内导航只是可以从室内定位系统中获得巨大优势的两个应用示例。尽管针对室外场景有不同的成熟技术,但仍缺乏针对室内情况的公认的可靠解决方案。已经研究了许多技术,但有希望在位置估计中获得最佳准确性的一项技术是基于超声。本文介绍了在此背景下开发的解决方案。简要讨论了定位系统,并提出了一种评估程序,旨在确定在设计组成该定位系统的无线传感器网络的特定节点时的最佳选择。特别地,实验评估旨在通过调查最大读取范围变化和读数本身的准确性(取决于阈值的函数)来找到使锚节点的工作范围和噪声抑制最大化的最佳电路参数。比较器阶段。结果表明,如果感兴趣的应用需要优化定位系统的工作范围,则可以将最佳工作条件定义为确保最大系统特异性,确保最大工作范围的条件。

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  • 来源
  • 会议地点 Catania(IT)
  • 作者单位

    Dip. di Ingegneria Elettrica Elettronica ed Informatica, University of Catania Viale A. Doria 6, Catania, 95125, ITALY;

    Dip. di Ingegneria Elettrica Elettronica ed Informatica, University of Catania Viale A. Doria 6, Catania, 95125, ITALY;

    Dip. di Ingegneria Elettrica Elettronica ed Informatica, University of Catania Viale A. Doria 6, Catania, 95125, ITALY;

    Dip. di Ingegneria Elettrica Elettronica ed Informatica, University of Catania Viale A. Doria 6, Catania, 95125, ITALY;

    Dip. di Ingegneria Elettrica Elettronica ed Informatica, University of Catania Viale A. Doria 6, Catania, 95125, ITALY;

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  • 正文语种 eng
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