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Alternative Positioning, Navigation and Timing Using Multilateration in a Terminal Control Area

접근관제구역에서 다변측정감시시스템을 이용한 대안항법 방안 연구

  • 조상훈 (한국항공대학교 일반대학원 항공운항관리학과) ;
  • 강자영 (한국항공대학교 항공운항학과)
  • Received : 2015.06.23
  • Accepted : 2015.09.20
  • Published : 2015.09.30

Abstract

Multilateration(MLAT) is commonly used in civil and military surveillance applications to accurately locate an aircraft, vehicle or stationary emitter. MLAT calculates the TDOA of signals by transmitted aircraft and determines the aircraft's location. With more than four receivers it is possible to estimate the 3D position of the aircraft by calculating the intersection of the resulting hyperbolas and the system integrity. In this study, our objectives are to apply MLAT technique to Jeju terminal control area and to propose a MLAT receiver network to properly estimate the positions of aircraft approaching this area. Based on computer simulations, we determine locations of ground receivers in Jeju terminal control area, calculate estimated position errors of the aircraft with respect to the selected receiver networks, and find the best receiver network with the least position error.

Keywords

References

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