Journal of Institute of Control, Robotics and Systems (제어로봇시스템학회논문지)

Institute of Control, Robotics and Systems (제어로봇시스템학회)
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Error Revision of the Unknown Tag Location in Smart Space

스마트 스페이스에서 미지의 태그 위치 오차 보정

  • 탁명환 (군산대학교 전자정보공학부) ;
  • 지석근 (군산대학교 전파공학과) ;
  • 주영훈 (군산대학교 제어로봇시스템공학과)
  • Published : 2010.02.01
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Abstract

In this paper, we propose the location measurement algorithm of unknown tag based on RFID (Radio-Frequency IDentification) by using RSSI (Received Signal Strength Indication) and TDOA (Time Difference of Arrival) and extended Kalman filter in smart space. To do this, first, we recognize the location of unknown tag by using the RSSI and TDOA recognition methods. Second, we set the coordinate of the tag location measured by using trilateration and SX algorithm. But the tag location data measured by this method are included complex environmental error. So, we use the extended Kalman filter in order to revise error data of the tag location. Finally, we validate the applicability of the proposed method though the simulation in a complex environment.

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References

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