Performance enhancement of Emergency Rescue System using Surface Correlation Technology
- Performance enhancement of Emergency Rescue System using Surface Correlation Technology
- 이택진; 신범주; 신동현; 유창수; 경한결; 이정호
- Issue Date
- Journal of Positioning, Navigation, and Timing
- VOL 9, NO 3-161
- In emergency rescue situations, the localization accuracy of the rescue requestor is a very important factor in determining the success or failure of the rescue. Indoors where Global Navigation Satellite System (GNSS) is not operated, there is no choice but to use Wi-Fi or LTE signals. However, the performance of the current emergency rescue system utilizing those RF signals is exceedingly low. In this study, the effectiveness of the surface correlation technology using the accumulated signal pattern of RF signals was verified in relation to the next-generation emergency localization technology. To validate the proposed system,
we configured and tested an emergency rescue scenario in multi-floors building. When the emergency rescue was requested, it was confirmed that the initial localization error was large owing to the short length of the accumulated signal pattern. However, the localization error decreased over time, which eventually led to the accurate location information being delivered to the rescuer.
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