An Approach to Over-the-air Synchronization of Commercial Chirp-Sequence Automotive Radar Sensors

Gardill, Markus; Schwendner, Johannes; Fuchs, Jonas

doi:10.1109/wisnet46826.2020.9037593

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Cited by 8 publications

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“…In a more realistic scenario related to automotive radar, it is possible to separate sound information from different vibration sources applying MIMO techniques thanks to the multiple transmit and receive channels common in this platforms. Concerning the spectrum occupation of the 24 GHz ISM band, it is possible to mitigate interference from other automotive radar sensors applying de-ramping techniques as shown in [14].…”

Section: Experimental Validationmentioning

confidence: 99%

Microwave Microphone Using a General Purpose 24-GHz FMCW Radar

et al. 2020

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The usage of a commercial 24 GHz frequencymodulated continuous-wave (FMCW) radar sensor to retrieve sound signals is investigated in this article. Thanks to the great phase measurement capabilities of current radar sensors, lowfrequency audio signals can be recovered by measuring the vibrations they induce in objects due to their pressure wave nature. To prove the concept, a sound emitted by a speaker is recorded by analysing the small-scale displacement of a reflective surface using a radar sensor originally devised for automotive and UAV applications at the 24 GHz ISM band.

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Section: Experimental Validationmentioning

confidence: 99%