Improving the Availability of LDACS-Based APNT with Air-to-Air Ranging

Okuary Osechas, Gerhard Berz

Abstract:	The currently envisioned plan for Alternative Position, Navigation, and Timing (APNT) relies heavily on Distance Measuring Equipment (DME) for providing RNAV/RNP services. Alternative proposals include the use of L-Band Digital Aeronautical Communications System (LDACS) signals as a means of obtaining ranging measurements, relative to a network of ground stations. We extend the LDACS-based approach to include the Air-to-Air (A2A) Communications capability, which has been specified for future implementation. Using A2A distance measurements between aircraft, potentially extends the availability of APNT. This is particularly interesting for low-altitude users (e.g. non-precision approach, departure) in the vicinity of high-altitude (e.g. en-route) users.
Published in:	Proceedings of IEEE/ION PLANS 2016 April 11 - 14, 2016 Hyatt Regency Hotel Savannah, GA
Pages:	91 - 99
Cite this article:	Osechas, Okuary, Berz, Gerhard, "Improving the Availability of LDACS-Based APNT with Air-to-Air Ranging," Proceedings of IEEE/ION PLANS 2016, Savannah, GA, April 2016, pp. 91-99. https://doi.org/10.1109/PLANS.2016.7479687
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