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Study on the Beacon Signal Characteristic for Efficiency Analysis of Indoor Positioning

실내 위치 측위 효율성 분석을 위한 비콘 신호 특성 연구

  • Hyun, Mi-Jin (Department of Computer Science and Engineering, Kyungnam University) ;
  • Kim, Bong-Hyun (Department of Smart IT, U1 University)
  • 현미진 (경남대학교 컴퓨터공학부) ;
  • 김봉현 (유원대학교 스마트IT학과)
  • Received : 2018.09.11
  • Accepted : 2018.11.20
  • Published : 2018.11.28

Abstract

Recently, the activity area in the indoor space has been widening. Various types of service technologies have been developed and applied user location, tracking, spatial pattern analysis and environmental analysis in indoor space. BLE-based beacon is used for the service technology in the indoor space. Therefore, in this paper, we collected and analyzed signals for indoor positioning based on beacon. For this purpose, a module was designed to analyze the efficiency of indoor location measurement using beacon. Experimental results show that the accuracy of the measured data at close range is improved. Also, it was analyzed that the more accurate the position data is extracted without the obstacle in the indoor space.

최근 들어, 실내 공간에서의 활동 영역이 넓어지면서 실내 공간에서의 사용자 위치 측위, 추적, 공간 패턴 분석, 환경 분석 등 다양한 형태의 공간 활용 서비스 기술이 개발, 적용되고 있다. 이러한 실내 공간에서의 서비스 기술을 위해 BLE 기반의 Beacon이 대표적으로 사용되고 있다. 따라서, 본 논문에서는 비콘을 기반으로 실내 위치 측정에 대한 신호를 수집, 분석하여 비콘을 이용한 실내 위치 측정의 효율성을 분석하기 위한 모듈을 설계하였다. 실험 결과, 근거리에서 측정된 데이터의 정확도가 높으며, 실내 공간에서 장애물이 없을수록 위치 데이터가 보다 정확하게 추출되는 것으로 분석되었다.

Keywords

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Fig. 1. Worldwide LBS market sales account trends

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Fig. 2. Coverage and accuracy of Indoor positioning

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Fig. 3. Integration module overall configuration

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Fig. 4. Ultrasonisc wave sensor circuit design

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Fig. 5. Power circuit design

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Fig. 6. Beacon circuit design

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Fig. 7. Integration module

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Fig. 8. Measures according to distance

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Fig. 9. Standard deviation of measured values

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Fig. 10. Measured value distribution in 9M-8M space

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Fig. 11. Measured value distribution in 2M-5M space

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Fig. 12. Measured value distribution in 6M-7M space

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