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

The Korean Institute of Commucations and Information Sciences (한국통신학회)
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Wi-Fi Based Positioning System by Using the Landmark Transmitter Device

랜드마크 발신기 기반의 Wi-Fi 측위 시스템의 구현

  • 김범열 (LS산전(주) 스마트네트워크 연구팀) ;
  • 임창준 (LS산전(주) 스마트네트워크 연구팀) ;
  • 한광수 (LS산전(주) 스마트네트워크 연구팀) ;
  • 이정준 (LS산전(주) 스마트네트워크 연구팀)
  • Received : 2012.01.30
  • Accepted : 2012.09.03
  • Published : 2012.09.30
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Abstract

본 논문에서는 Wi-Fi를 이용한 RSSI (Received Signal Strength Indication)기반의 측위 시스템에서 전파환경변화에 민감한 시스템의 문제를 보완하기 위하여 랜드마크 발신기 기반의 측위 시스템을 제안한다. 이를 위하여 핑거프린팅 알고리즘 및 랜드마크 발신기를 구현 하였으며 간단한 측위 정확도 예측모델을 만들어 수신된 전파세기를 기반으로 측위 정확도를 예측하였다. 이를 바탕으로 실내 TEST BED를 구축하였고 주요 지점에 랜드마크 발신기를 부착하여 시스템의 효용성을 검증하였다.

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