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

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nanosecond-precision-time_camera_ready_FINAL.pdf (1.344Mb)
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URI: http://hdl.handle.net/20.500.12761/527
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Author(s)
Calvo-Palomino, Roberto; Ricciato, Fabio; Repas, Blaz; Giustiniano, Domenico; Lenders, Vincent
Date
2018-04-11
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.
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Files
nanosecond-precision-time_camera_ready_FINAL.pdf (1.344Mb)
Identifiers
URI: http://hdl.handle.net/20.500.12761/527
Metadata
Show full item record

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