Wearable indoor tracking device using wi-fi positioning system with PPG sensor and android application

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Abstract

Many inventions that manifest the required qualities for the improvement of the search and rescue operations are made. However, the present inventions do not cover accurate tracking of the victims which contributes to a delay during operation. Thus, a Wearable Indoor Tracking Device using Wi-Fi Positioning System with PPG Sensor and Android Application is developed to uplift the limitations of the devices present today which can resolve the delay of search and rescue operation. This project focuses on detecting the specific location of the victims which includes distance and direction from rescuer’s perspective as well as the victim's status. Moreover, the location and status of the victim can be viewed simultaneously through an Android Application. To achieve the tracking technology, trilateration technique is used. It manipulates the calculated distance of the beacons by finding their intersection. To get the measured distance the researchers use an algorithm named Free Space Path Loss wherein it converts the Wi-Fi strength into distance. For the direction, slope formula is used to determine the measured angle between the rescuer and the victim. Therefore, by making this wearable device, the search and rescue operation will increase its accuracy to 80% in finding the distance of the rescuer and the victim and by 100% in finding the direction of the rescuer from the victim.

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APA

Lacatan, L. L., Almero, M. D. D., Bautista, J. J. D., Crescini, C., & Salgado, M. E. M. B. (2019). Wearable indoor tracking device using wi-fi positioning system with PPG sensor and android application. International Journal of Recent Technology and Engineering, 8(2), 5698–5702. https://doi.org/10.35940/ijrte.B3256.078219

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