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首页> 外文期刊>Instrumentation and Measurement, IEEE Transactions on >Comparing Ubisense, BeSpoon, and DecaWave UWB Location Systems: Indoor Performance Analysis
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Comparing Ubisense, BeSpoon, and DecaWave UWB Location Systems: Indoor Performance Analysis

机译：比较Ubisense，BeSpoon和DecaWave UWB定位系统：室内性能分析

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摘要

Most ultrawideband (UWB) location systems already proposed for position estimation have only been individually evaluated for particular scenarios. For a fair performance comparison among different solutions, a common evaluation scenario would be desirable. In this paper, we compare three commercially available UWB systems (Ubisense, BeSpoon, and DecaWave) under the same experimental conditions, in order to do a critical performance analysis. We include the characterization of the quality of the estimated tag-to-sensor distances in an indoor industrial environment. This testing space includes areas under line-of-sight (LOS) and diverse non-LOS conditions caused by the reflection, propagation, and the diffraction of the UWB radio signals across different obstacles. The study also includes the analysis of the estimated azimuth and elevation angles for the Ubisense system, which is the only one that incorporates this feature using an array antenna at each sensor. Finally, we analyze the 3-D positioning estimation performance of the three UWB systems using a Bayesian filter implemented with a particle filter and a measurement model that takes into account bad range measurements and outliers. A final conclusion is drawn about which system performs better under these industrial conditions.
机译：已经针对位置估计提出的大多数超宽带（UWB）定位系统仅针对特定情况进行了单独评估。为了在不同解决方案之间进行公平的性能比较，需要一个通用的评估方案。在本文中，我们在相同的实验条件下比较了三种商用UWB系统（Ubisense，BeSpoon和DecaWave），以便进行关键的性能分析。我们包括室内工业环境中估计的标签到传感器距离的质量表征。该测试空间包括UWB无线电信号在不同障碍物上的反射，传播和衍射所导致的视线（LOS）和各种非LOS条件下的区域。这项研究还包括对Ubisense系统的估计方位角和仰角的分析，这是唯一在每个传感器上使用阵列天线将Ubisense系统纳入这一功能的系统。最后，我们使用带粒子滤波器的贝叶斯滤波器和考虑了不良距离测量和离群值的测量模型，分析了三个UWB系统的3-D定位估计性能。得出关于在这些工业条件下哪种系统性能更好的最终结论。

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