6533b7d0fe1ef96bd125b6b8

RESEARCH PRODUCT

Phase-noise Impact on the Performance of mmWave-radars

Henning IdsoeLinga Reddy CenkeramaddiBaltasar Beferull LozanoSoumya J

subject

020301 aerospace & aeronauticsComputer scienceAcousticsPhase (waves)020206 networking & telecommunications02 engineering and technologySignallaw.inventionNoise0203 mechanical engineeringlawAngle of arrivalPhase noise0202 electrical engineering electronic engineering information engineeringContinuous waveRadarJitter

description

The impact of phase noise in Frequency Modulated Continuous Wave (FMCW) millimeter-wave (mmWave) radars is investigated in this paper. A FMCW signal is transmitted from the radar, reflected off a moving object and processed at a receiver in the radar. The impact of random phase noise/jitter on the performance parameters of estimated distance, speed and angle of arrival of an object is studied. Our studies show that there exists a threshold at about fifteen percent of the period of the carrier frequency, over which errors substantially manifest in the estimations. Distance estimation is less affected than speed and angle, which rely directly on the phase information for the estimations. Angle estimation error is particularly sensitive to noise when the angle of the object exceeds ±70 degrees.

https://doi.org/10.1109/ants47819.2019.9117975