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Nanosecond-precision Time-of-Arrival Estimation for Aircraft Signals with low-cost SDR Receivers

Calvo-Palomino, Roberto and Ricciato, Fabio and Repas, Blaz and Giustiniano, Domenico and Lenders, Vincent (2018) Nanosecond-precision Time-of-Arrival Estimation for Aircraft Signals with low-cost SDR Receivers. In: The 17th ACM/IEEE International Conference on Information Processing in Sensor Networks (IPSN 2018), 11-13 April 2018, Porto, Portugal.

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Abstract

Precise Time-of-Arrival (TOA) estimations of aircraft and drone signals are important for a wide set of applications including aircraft/drone tracking, air traffic data verification, or self-localization. Our focus in this work is on TOA estimation methods that can run on low-cost software-defined radio (SDR) receivers, as widely deployed in Mode S / ADS-B crowdsourced sensor networks such as the OpenSky Network. We evaluate experimentally classical TOA estimation methods which are based on a cross-correlation with a reconstructed message template and find that these methods are not optimal for such signals. We propose two alternative methods that provide superior results for real-world Mode S / ADS-B signals captured with low-cost SDR receivers. The best method achieves a standard deviation error of 1.5 ns.

Item Type: Conference or Workshop Papers (Paper)
Subjects: UNSPECIFIED
Divisions: UNSPECIFIED
Depositing User: Roberto Calvo
Date Deposited: 22 Mar 2018 15:55
Last Modified: 28 Mar 2018 16:33
URI: http://eprints.networks.imdea.org/id/eprint/1768

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