Journal of the Korea Academia-Industrial cooperation Society (한국산학기술학회논문지)

The Korea Academia-Industrial cooperation Society (한국산학기술학회)
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RFID Based Indoor Localization and Effective Tag Arrangement Method

RFID를 기반으로 한 실내 위치 파악 및 효율적 Tag 배치

  • Yoon, Chang-Sun (Department of Electronics Engineering, Incheon National University) ;
  • Yoon, Dong-Min (Department of Electronics Engineering, Incheon National University) ;
  • Kwon, Young-Chan (Department of Electronics Engineering, Incheon National University) ;
  • Hong, Yeon-Chan (Department of Electronics Engineering, Incheon National University)
  • 윤창선 (인천대학교 전자공학과) ;
  • 윤동민 (인천대학교 전자공학과) ;
  • 권영찬 (인천대학교 전자공학과) ;
  • 홍연찬 (인천대학교 전자공학과)
  • Received : 2015.11.03
  • Accepted : 2015.12.04
  • Published : 2015.12.31
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Abstract

In this paper a technology which gives directions to people and also localization of the robotic vacuum cleaners inside some spacious buildings is developed. For this purpose, it is confirmed that which pattern has a small error in dealing with the indoor localization with various RFID tag arrangements attached on the ground. This experiment was conducted by using MT92(900MHz range Antenna) and ALR 9900+(Reader). As a result, the square arrangement has the least error, 21.19cm, among other patterns which are diamond, rectangle and regular hexagon. However, it is necessary to consider the number of tags in the unit area, from this point of view the regular hexagon arrangement is the most efficient arrangement among other patterns because it needs only 6 tags in the unit area.

본 논문에서는 실내에서의 정확한 위치 파악을 하여 넓은 실내에서 사람의 길 안내 및 로봇 청소기 등의 위치 파악에 적용 할 수 있는 기술을 개발 하고자 한다. 이를 위해 RFID tag를 지면에 부착하여, tag 배치 패턴을 다르게 하면서, 위치 파악을 하는데 있어서 어떤 패턴이 오차가 적은지를 확인하고자 한다. 연구에는 MT92(900MHz대 안테나)와 ALR 9900+(리더기)를 이용하여 실험을 하였다. 그 결과 마름모, 직사각형, 정육각형 그리고 정사각형 tag 배치 중 정사각형 배치에서 21.19cm의 적은 오차를 확인하였다. 그러나 단위 면적 당 배치된 tag수가 6개인 정육각형 배치를 함께 고려하였을 때, 정육각형 배치가 비교적 효율적인 배치라는 것을 확인하였다.

Keywords

References

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