The Journal of the Korea institute of electronic communication sciences (한국전자통신학회논문지)

Korea Institute of Electronic Communication Science (한국전자통신학회)
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A Study on relative distance estimation for asynchronous FDD using Two-way ToA

비동기식 FDD에서 Two-way ToA를 통한 상대거리 측정에 관한 연구

  • Received : 2016.10.17
  • Accepted : 2016.12.24
  • Published : 2016.12.31
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Abstract

The relative distance estimation technique is important to Location-Based Service(: LBS) in a wireless communication environment. In this paper, we propose a scheme for measuring the relative distance by utilizing a frame structure of a physical layer in asynchronous Frequency Division Duplexing(: FDD) when the Internal and external infrastructure for position measurement cannot be used. The proposed method is suitable for continuous distance measurement. The test results showed that the proposed method has the accuracy of less than 10 meters on average.

무선 통신 환경에서 위치기반서비스를 이용하기 위해서는 상대거리 측정기술이 중요하다. 본 논문에서는 비동기식 주파수 다중 분할(: FDD) 방식을 사용하는 통신환경에서 위치측정을 위한 내 외부 인프라 사용이 불가할 때, 물리계층의 프레임 구조를 활용한 상대거리 측정을 위한 방안을 제시한다. 제안된 방식은 연속적인 거리측정이 가능하며, 실험을 통해 평균 10m 이하의 측정 정확도를 확인하였다.

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References

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