한국항행학회논문지 (Journal of Advanced Navigation Technology)

  • 제17권1호
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  • Pages.1-8
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  • 2013
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  • 1226-9026(pISSN)
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  • 2288-842X(eISSN)
한국항행학회 (The Korean Navigation Institute)
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효율적인 항공교통관리를 위한 Onboard Multilateration 시스템

An Onboard Multilateration system for Efficient Air Traffic Management

  • 투고 : 2013.01.24
  • 심사 : 2013.02.28
  • 발행 : 2013.02.28
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⟨ 이전 논문 다음 논문 ⟩

초록

항공교통관리에 있어서 ADS-B(Automatic Dependent Surveillance-Broadcast)와 multilateration은 국제민간항공기구에서 지정한 차세대 시스템 중 핵심기술이다. 그러나 오늘날, 모든 항공기가 ADS-B를 장착하고 있지는 않다. ADS-B 미장착 항공기의 위치 획득을 위해 TIS-B(Traffic Information Service-Broadcast)가 사용되는데, TIS-B는 레이더로부터 획득한 항공기 위치를 제공한다. 본 논문에서는 TIS-B를 대체할 수 있는 2차 감시레이더 신호를 활용한 onboard multilateration 시스템을 제안한다. TIS-B는 레이더 자료를 이용해 항공기 위치를 제공하므로 그 오차가 굉장히 큰 반면, onboard multilateration 시스템은 TDOA(Time Difference of Arrival) 기법을 이용하므로 항공기 위치 오차가 매우 작다. 성능비교 결과, 본 논문에서 제안된 onboard multilateration 시스템이 TIS-B에 비해 공항 인근에서는 37.39%, 공항 200마일 부근에서는 51.61% 성능이 우수한 것으로 나타났다.

In the next generation of ATM, ADS-B(Automatic Dependent Surveillance-Broadcast) and multilateration are the main technology recommended by ICAO(International Civil Aviation Organization). However, there are a lot of non-equipped ADS-B aircraft today. Therefore, TIS-B(Traffic Information Service-Broadcast) provides traffic information, which has obtained from radars for non-equipped ADS-B aircraft. In this paper, we presented an onboard multilateration system for non-equipped ADS-B aircraft using SSR(Secondary Surveillance Radar) signal instead of TIS-B. TIS-B has a lot of error because of using radar data, but multilateration has less error than radar because of using TDOA(Time Difference of Arrival) method. Results of performance analysis show that the position accuracy is improved by the proposed method using on-board multilateration.

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참고문헌

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