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A Feasibility Study on Multiple DME Positioning Considering Time-Misaligned Range Measurements
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 Title & Authors
A Feasibility Study on Multiple DME Positioning Considering Time-Misaligned Range Measurements
Choi, Kwang-Ho; Lim, Joon-Hoo; Yoo, Won-Jae; So, Hyoungmin; Lee, Hyung-Keun;
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 Abstract
This paper introduces the time-misalignment error between multiple range measurements acquired by an onboard distance measuring equipment (DME) interrogator and proposes an efficient position determination method that can mitigate the negative effects of the time-misalignment error. The introduced time-misalignment error does not occur in conventional utilization of DME combined with VHF omnidirectional range (VOR). The proposed position determination method projects all the DME range measurements acquired irregularly during an interval to the same time instance where the aircraft position is determined. By the simulation utilizing a representative aircraft trajectory, it is shown that it is possible to estimate the horizontal position accurately without any changes of ground DME facilities.
 Keywords
Multiple distance measuring equipment;Time-misalignment;Distance measuring equipment;VHF omnidirectional range;Time of arrival;
 Language
Korean
 Cited by
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