Journal of the Korea Institute of Information and Communication Engineering (한국정보통신학회논문지)

The Korea Institute of Information and Commucation Engineering (한국정보통신학회)
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Lode Location Management Using RSSI Regression Analysis in Wireless Sensor Network

RSSI의 회귀 분석을 이용한 무선센서노드의 위치관리

  • 양현호 (군산대학교 정보통신공학과)
  • Published : 2009.09.30
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Abstract

One of the key technical challenges of wireless sensor network (WSN) is location management of sensor nodes. Typical node location management methods use GPS, ultrasonic sensors or RSSI. In this paper we propose a new location management method which adopts regression analysis of RSSI measurement to improve the accuracy of sensor node position estimation. We also evaluated the performance of proposed method by comparing the experimental results with existing scheme. According to the results, our proposed method, LM-RAR, shows better accuracy than existing location management scheme using RSSI and Friis' equation.

WSN(Wireless Sensor Network)의 기술 요소 중의 하나는 센서 노드의 위치 관리이다. GPS, 초음파 센서, RSSI 등이 전형적인 노드의 위치 관리 방법이다. 본 논문에서는 센서 노드 위치 측정의 정확성을 향상시키기 위해 RSSI 측정에 회귀분석을 적용한 새로운 위치 관리 방식을 제안한다. 또한 기존 방식의 실험적인 결과와의 비교를 통해 제안된 방식의 성능을 평가한다. 결과에 따르면 우리 의 제안된 방식인 LM-RAR은 RSSI와 Friis 공식을 사용한 기존의 위치 관리 방식보다 향상된 정확성을 보인다.

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References

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