The Journal of the Korea institute of electronic communication sciences (한국전자통신학회논문지)

Korea Institute of Electronic Communication Science (한국전자통신학회)
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Target Localization Method using the Detection Signal Strength of Seismic Sensors for Surveillance Reconnaissance Sensor Network

감시정찰 센서 네트워크에서의 지진동센서 탐지 신호 세기를 이용한 표적 측위 방법

  • Received : 2023.10.19
  • Accepted : 2023.12.27
  • Published : 2023.12.31
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Abstract

Surveillance reconnaissance sensor network is used for surveillance in wartime and area of operation. In this paper, we propose a target localization method using the detection signal strength of seismic sensors. Relay equipment calculates the target location using coordinate information and detection signal strength of the seismic sensors. Target localization error deviation due to environmental factors was minimized by subtracting the dynamic offset when calculating the target location. Field test shows improvement of target localization through reduction of errors. The average error was decreased to 3.62m. Up to 62% improved result was obtained compared to weighted centroid localization method.

작전지역의 감시/경계에 활용되는 감시정찰 센서 네트워크에서 배치되는 지진동센서의 위치 정보와 탐지 신호 세기를 활용하여 표적의 위치를 산출하는 방법을 제안한다. 중계기에서 단말기로부터 수신받은 각 지진동센서들의 위치 정보와 센서로부터 수신된 탐지 신호 세기를 이용하여 표적 위치를 산출한다. 표적 측위 시 동적으로 오프셋을 제하는 방식을 통해 환경적 요인에 의한 성능 편차를 줄였다. 실제 표적 위치와 산출된 표적 위치의 차이를 통해 성능을 비교 검증하였다. 오차 평균 3.62m까지 감소하여 가중 중심 측위 방법보다 최대 62% 향상된 결과를 얻었다.

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References

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