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Sensors 2017, 17(10), 2183; doi:10.3390/s17102183

SFOL Pulse: A High Accuracy DME Pulse for Alternative Aircraft Position and Navigation

1,* and 2,3,*
Department of Mechanical & System Design Engineering, Hongik University, 94, Wausan-ro, Mapo-gu, Seoul 04066, Korea
School of Integrated Technology, Yonsei University, 85 Songdogwahak-ro, Incheon 21983, Korea
Yonsei Institute of Convergence Technology, Yonsei University, 85 Songdogwahak-ro, Incheon 21983, Korea
Authors to whom correspondence should be addressed.
Received: 31 July 2017 / Revised: 17 September 2017 / Accepted: 20 September 2017 / Published: 22 September 2017
(This article belongs to the Special Issue Sensors for Transportation)
View Full-Text   |   Download PDF [3166 KB, uploaded 25 September 2017]   |  


In the Federal Aviation Administration’s (FAA) performance based navigation strategy announced in 2016, the FAA stated that it would retain and expand the Distance Measuring Equipment (DME) infrastructure to ensure resilient aircraft navigation capability during the event of a Global Navigation Satellite System (GNSS) outage. However, the main drawback of the DME as a GNSS back up system is that it requires a significant expansion of the current DME ground infrastructure due to its poor distance measuring accuracy over 100 m. The paper introduces a method to improve DME distance measuring accuracy by using a new DME pulse shape. The proposed pulse shape was developed by using Genetic Algorithms and is less susceptible to multipath effects so that the ranging error reduces by 36.0–77.3% when compared to the Gaussian and Smoothed Concave Polygon DME pulses, depending on noise environment. View Full-Text
Keywords: distance measuring equipment; genetic algorithms; APNT; GNSS distance measuring equipment; genetic algorithms; APNT; GNSS

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Kim, E.; Seo, J. SFOL Pulse: A High Accuracy DME Pulse for Alternative Aircraft Position and Navigation. Sensors 2017, 17, 2183.

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