Journal of KIISE:Databases (한국정보과학회논문지:데이타베이스)

Korean Institute of Information Scientists and Engineers (한국정보과학회)
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An Effective Location Acquisition Method Based on RFID for Location Based Services

위치 기반 서비스를 위한 RFID 기반의 효과적인 위치 인식 기법

  • Published : 2010.02.15
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Abstract

In this paper, we propose a new location acquisition scheme based on RFID that reduces the computation cost of location acquisition and keeps the accuracy of the location. In addition, we propose an incremental location update policy to reduce the location update cost for moving objects. To show the superiority of our proposed scheme, we compare it with the existing researches. It is shown through various experiments that the proposed system reduces the computation cost of location estimation 500 times more than existing researches. Also, the proposed system significantly reduces the cost of location update using the RFID-based update policy.

본 논문에서는 기존 연구의 불필요한 연산량을 제거하여 이동 객체의 위치 인식을 빠르게 연산함과 동시에 측정된 객체의 위치 정보에 대한 높은 정확성을 보장하는 RFID 기반의 새로운 위치 인식 기법을 제안한다. 또한, 응용 서비스에서 알고 있는 해당 객체의 위치 정보를 새로 생성된 위치 정보로 갱신하기 위한 RFID 기반의 위치 갱신 기법을 제안함으로써 응용 서비스로의 불필요한 데이터 전송 비용을 감소시킨다. 제안하는 기법의 우수함을 보이기 위해 기존 연구와 성능 평가를 수행하였다. 실험 평가 결과 기존 연구에 비해 위치 측정시 요구되는 연산량이 약 500배 이상 감소한 결과를 보였다. 또한, RFID 기반의 위치 갱신 기법에 의해 응용 서비스로 전송되는 데이터량을 감소시켰다.

Keywords

References

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