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Array-based Emitter Localization Using a VTOL UAV Carried Sensor

: Steffes, C.; Allmann, C.; Oispuu, M.


Institute of Electrical and Electronics Engineers -IEEE-; IEEE Robotics and Automation Society; Informationstechnische Gesellschaft -ITG-; Verband der Elektrotechnik, Elektronik, Informationstechnik -VDE-:
IEEE International Conference on Multisensor Fusion and Integration for Intelligent Systems, MFI 2020 : 14-16 September 2020, virtuell, Karlsruhe, Germany
Piscataway, NJ: IEEE, 2020
ISBN: 978-1-7281-6422-9
ISBN: 978-1-7281-6421-2
ISBN: 978-1-7281-6423-6
International Conference on Multisensor Fusion and Integration for Intelligent Systems (MFI) <2020, Online>
Fraunhofer FKIE ()

In this paper, the localization of a radio frequency emitter (RF) using bearing estimates is investigated. We study the position estimation using a single airborne observer platform moving along a preplanned trajectory. We present results from field trials using an emitter location system (ELS) installed on a vertical take-off and landing (VTOL) unmanned aerial vehicle (UAV). Raw array data batches have been gathered using a six-channel receiver and a fully polarized array antenna. A standard two-step localization approach based on angle of arrival (AOA) measurements and a Direct Position Determination (DPD) approach have been applied. In real-flight experiments, the performance of both methods has been investigated.