Development of Simulation and Test-Bed for Searching Missing People Using Multi-Drone Simulator and LoRa Sensor Network 


Vol. 43,  No. 11, pp. 1941-1951, Nov.  2018
10.7840/kics.2018.43.11.1941


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  Abstract

Rapid rescue of injured and missing person is very important in natural disasters such as earthquakes and tsunamis. However, since natural disasters occur over a wide area, there are many difficulties in searching for missing person. In order to solve this problem efficiently, we have devised a missing person search algorithm using a multi-drone simulator and LoRa(Long-Range) sensor network, and constructed a related test bed to perform the simulation. In the level-1 missing person search algorithm, the location of the missing person is searched based on the GPSs information of the received LoRa beacon. If GPS information is not stably transmitted or received from the LoRa beacon due to poor communication environmetnt due to distance and terrain, We perform a level-2 search algorithm with the distance calculated based on the beacon RSSI signal value to search for the location of the missing person between the drones and the missing person. Experimental results show that when the multi-drones are used in the search algorithm according to the signal propagation range, the search speed of missing persons is 5 to 15 times faster than the single drone. In the level-2 search algorithm which performs the search for missing persons based on the signal strength, the error distances of the coordinates calculated by the RMS(Root Mean Square) method were 91.5% (down to 79%) of the error distnaces calculated as the mean value and it is 5.06 times faster than single drone.

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  Cite this article

[IEEE Style]

M. Hyun, K. Choi, J. Kim, "Development of Simulation and Test-Bed for Searching Missing People Using Multi-Drone Simulator and LoRa Sensor Network," The Journal of Korean Institute of Communications and Information Sciences, vol. 43, no. 11, pp. 1941-1951, 2018. DOI: 10.7840/kics.2018.43.11.1941.

[ACM Style]

Man-seok Hyun, Kwang-hoon Choi, and Jai-hoon Kim. 2018. Development of Simulation and Test-Bed for Searching Missing People Using Multi-Drone Simulator and LoRa Sensor Network. The Journal of Korean Institute of Communications and Information Sciences, 43, 11, (2018), 1941-1951. DOI: 10.7840/kics.2018.43.11.1941.

[KICS Style]

Man-seok Hyun, Kwang-hoon Choi, Jai-hoon Kim, "Development of Simulation and Test-Bed for Searching Missing People Using Multi-Drone Simulator and LoRa Sensor Network," The Journal of Korean Institute of Communications and Information Sciences, vol. 43, no. 11, pp. 1941-1951, 11. 2018. (https://doi.org/10.7840/kics.2018.43.11.1941)