The Journal of Korean Institute of Communications and Information Sciences (한국통신학회논문지)

The Korean Institute of Commucations and Information Sciences (한국통신학회)
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Analysis of Localization Scheme for Ship Application Using Received Signal Strength

수신 신호 세기를 이용한 선박용 실내 위치 추정 알고리즘 분석

  • Lee, Jung-Kyu (Institute of New Media and Communications, Dept. of Electrical and Computer Engineering, Seoul National University) ;
  • Lee, Seong Ro (Dept. of Information & Electronics Engineering, Mokpo National University) ;
  • Kim, Seong-Cheol (Institute of New Media and Communications, Dept. of Electrical and Computer Engineering, Seoul National University)
  • Received : 2014.05.02
  • Accepted : 2014.08.06
  • Published : 2014.08.31
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Abstract

Recently, the wireless communication applications are studied in various environment by the development of short range communication system like wireless sensor networks. This paper presents the analysis of localization schemes for ship application using received signal strength. The localization schemes using received signal strength from wireless networks are classified under two methods, which are Range based method and Range free method. Range based methods estimate the location with least square estimation based on estimated distance using path-loss model. Range free methods estimated the location with the information of anchor nodes linked to target. Simulation results show the appropriate localization scheme for each cabin environments based on the empirical path-loss model in warship's internal space.

최근 센서 네트워크와 같이 근거리 무선 통신 시스템에 대한 연구가 활발히 진행되면서 다양한 환경에서의 무선통신 관련 연구를 수행하고 있다. 본 논문에서는 수신 신호 세기를 이용한 선박용 실내 위치 추정 알고리즘을 분석하고 각 상황에 맞는 위치 추정 알고리즘을 제안한다. 무선 네트워크로부터 수신한 신호 세기를 이용하는 위치 추정 방식은 거리 추정 후 최소 제곱법을 이용하여 추정하는 Range based 방법이 있으며 네트워크를 구성하는 고정 노드와의 특성을 이용하여 위치를 추정하는 Range free 방식이 있다. 위치 추정 기법을 적용할 수 있는 해군 함정의 모델을 기반으로 효과적인 위치 추정 알고리즘을 시뮬레이션을 통해 분석하였다.

Keywords

References

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