Design and Evaluation of RFID Deployments in a Trauma Resuscitation Bay
Design and Evaluation of RFID Deployments in a Trauma Resuscitation Bay
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DOI：
10.1109/jbhi.2013.2283506
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发表时间：
2014-05-01
影响因子：
7.7
通讯作者：
Marsic, Ivan
中科院分区：
文献类型：
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作者：
Parlak, Siddika;Ayyer, Shriniwas;Marsic, Ivan
我们研究了配置射频识别（RFID）设备的最佳对象使用检测在创伤湾。与先前的RFID工作不同，我们1）优化了物体使用检测的准确性，而不仅仅是物体检测; 2）定量评估了天线放置，同时解决了可能发生在创伤室的标签放置问题。我们的设计始于对环境要求和约束的分析。我们设计了几种天线设置，具有不同数量的组件（RFID标签或天线）及其方向。在模拟动态医疗环境的场景下对设置进行了评价。我们使用了复杂性和偏差不断增加的三个指标：读取速率、接收信号强度指示分布距离和目标应用程序性能。我们的实验表明，在具有高对象密度的区域上方的天线最适合用于检测对象使用。我们探索了具有挑战性的对象，以便获得足够的读出率计算评价指标的标记策略。在这些度量中，分布距离与目标应用程序的性能相关，并且偏差较小且计算简单，这使得它成为上下文感知应用程序的优秀度量。我们目前在真实的创伤舱获得的实验结果，以验证我们的研究结果。
We examined configuring a radio frequency identification (RFID) equipment for the best object use detection in a trauma bay. Unlike prior work on RFID, we 1) optimized the accuracy of object use detection rather than just object detection; and 2) quantitatively assessed antenna placement while addressing issues specific to tag placement likely to occur in a trauma bay. Our design started with an analysis of the environment requirements and constraints. We designed several antenna setups with different number of components (RFID tags or antennas) and their orientations. Setups were evaluated under scenarios simulating a dynamic medical setting. We used three metrics with increasing complexity and bias: read rate, received signal strength indication distribution distance, and target application performance. Our experiments showed that antennas above the regions with high object density are most suitable for detecting object use. We explored tagging strategies for challenging objects so that sufficient readout rates are obtained for computing evaluation metrics. Among the metrics, distribution distance was correlated with target application performance, and also less biased and simpler to calculate, which made it an excellent metric for context-aware applications. We present experimental results obtained in the real trauma bay to validate our findings.