ADS-B Signal Verification Using a Coherent Receiver

W.J.M. Huygen; J. Sun; J.M. Hoekstra

doi:10.3390/engproc2021013004

ADS-B Signal Verification Using a Coherent Receiver

W.J.M. Huygen, J. Sun, J.M. Hoekstra

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Abstract

Automatic Dependent Surveillance-Broadcast (ADS-B) enables aircraft to periodically broadcast their flight states such as position and velocity. Compared to classical radar surveillance, it increases update rate and accuracy. Currently, Mode S Extended Squitter is the most common implementation for ADS-B. Due to the simplicity of Mode S design, ADS-B signals are prone to injections. This study proposes a cost-effective solution that verifies the integrity of ADS-B signals using coherent receivers. We design the verification approach by combining the signal’s direction of arrival, estimated from the multi-channel data, with the target bearing calculated from ADS-B messages. By using another high-performance software-defined radio transceiver, we also conduct real signal injection experiments to validate our approaches

Original language	English
Article number	4
Number of pages	10
Journal	Engineering Proceedings
Volume	13
Issue number	1
DOIs	https://doi.org/10.3390/engproc2021013004
Publication status	Published - 2021
Event	9th OpenSky Symposium - online event, Brussels, Belgium Duration: 18 Nov 2021 → 19 Nov 2021

Keywords

ADS-B
coherent receiver
angle of arrival
signal verification

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10.3390/engproc2021013004

engproc-13-00004Final published version, 1.29 MBLicence: CC BY

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title = "ADS-B Signal Verification Using a Coherent Receiver",

abstract = "Automatic Dependent Surveillance-Broadcast (ADS-B) enables aircraft to periodically broadcast their flight states such as position and velocity. Compared to classical radar surveillance, it increases update rate and accuracy. Currently, Mode S Extended Squitter is the most common implementation for ADS-B. Due to the simplicity of Mode S design, ADS-B signals are prone to injections. This study proposes a cost-effective solution that verifies the integrity of ADS-B signals using coherent receivers. We design the verification approach by combining the signal{\textquoteright}s direction of arrival, estimated from the multi-channel data, with the target bearing calculated from ADS-B messages. By using another high-performance software-defined radio transceiver, we also conduct real signal injection experiments to validate our approaches",

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AU - Huygen, W.J.M.

AU - Sun, J.

AU - Hoekstra, J.M.

PY - 2021

Y1 - 2021

N2 - Automatic Dependent Surveillance-Broadcast (ADS-B) enables aircraft to periodically broadcast their flight states such as position and velocity. Compared to classical radar surveillance, it increases update rate and accuracy. Currently, Mode S Extended Squitter is the most common implementation for ADS-B. Due to the simplicity of Mode S design, ADS-B signals are prone to injections. This study proposes a cost-effective solution that verifies the integrity of ADS-B signals using coherent receivers. We design the verification approach by combining the signal’s direction of arrival, estimated from the multi-channel data, with the target bearing calculated from ADS-B messages. By using another high-performance software-defined radio transceiver, we also conduct real signal injection experiments to validate our approaches

AB - Automatic Dependent Surveillance-Broadcast (ADS-B) enables aircraft to periodically broadcast their flight states such as position and velocity. Compared to classical radar surveillance, it increases update rate and accuracy. Currently, Mode S Extended Squitter is the most common implementation for ADS-B. Due to the simplicity of Mode S design, ADS-B signals are prone to injections. This study proposes a cost-effective solution that verifies the integrity of ADS-B signals using coherent receivers. We design the verification approach by combining the signal’s direction of arrival, estimated from the multi-channel data, with the target bearing calculated from ADS-B messages. By using another high-performance software-defined radio transceiver, we also conduct real signal injection experiments to validate our approaches

KW - ADS-B

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KW - angle of arrival

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ADS-B Signal Verification Using a Coherent Receiver

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