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Detection and Localization of Unmanned Aircraft Systems Using Millimeter-Wave Automotive Radar Sensors

Morris, PJB and Hari, KVS (2021) Detection and Localization of Unmanned Aircraft Systems Using Millimeter-Wave Automotive Radar Sensors. In: IEEE Sensors Letters, 5 (6).

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Official URL: https://doi.org/10.1109/LSENS.2021.3085087


This letter reports the measurements and results of tests conducted on the detection of unmanned aircraft systems (UASs) or drones using a millimeter-wave (mmWave) automotive radar sensor. Designed for the detection of automotive targets with radar cross section (RCS) in excess of 20 dBsm, these miniaturized radar sensors have demonstrated detection and ranging performance in detecting a UAS, whose RCS is typically less than -15 dBsm. The sensor operates in the 76-81 GHz (mmWave) band and employs the frequency-modulated continuous-wave principle with a maximum output power of 16 mW. The detection capability of the sensor in terms of range and radial velocity measurements was investigated using a Type-I micro-UAS with a mean RCS less than -20 dBsm. In addition to detection, ranging, and velocity measurements, the RCS and the micro-Doppler signature measurements of the UAS in flight are also presented. The measurements and analysis suggest that these mmWave sensors are ideally suited as low-cost sensors for the detection of micro- and mini-classes of UASs at short ranges. The micro-Doppler signature analysis reveals the versatility of mmWave sensors in the extraction of micro-Doppler signatures, which serves as an effective tool for the classification of UASs from other airborne nuisance targets such as birds and moving clutter. © 2017 IEEE.

Item Type: Journal Article
Publication: IEEE Sensors Letters
Publisher: Institute of Electrical and Electronics Engineers Inc.
Additional Information: The copyright for this article belongs to Institute of Electrical and Electronics Engineers Inc.
Keywords: Aircraft detection; Automotive radar; Frequency modulation; Millimeter waves; Radar cross section; Radar equipment; Velocity measurement, Automotive radar sensors; Detection capability; Frequency-modulated continuous waves; Low-cost sensors; Maximum output power; Millimeter waves (mmwave); Radial velocity measurements; Unmanned aircraft system, Unmanned aerial vehicles (UAV)
Department/Centre: Division of Electrical Sciences > Electrical Communication Engineering
Date Deposited: 22 Feb 2023 04:13
Last Modified: 22 Feb 2023 04:13
URI: https://eprints.iisc.ac.in/id/eprint/80472

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