Methods and systems for estimating vital signs of vehicle occupants using Ultra-Wideband communication. UWB signals are transmitted from one UWB system node (110B) to another UWB system node (110A). Channel impulse responses (CIRs) associated with the UWB signals are determined. Based on the CIRs, in some embodiments velocities associated with the UWB signals are determined, and activities of vehicle occupants are classified based on the CIRs along with vital signs such as breathing rates. In other embodiments, based on the CIRs, phase unwrapping of phase features associated with the CIRs is performed, and principle component analysis (PCA) transforms the CIRs, allowing estimated vital signs such as breathing rates to be determined.
METHODS AND SYSTEMS FOR ESTIMATING VITAL SIGNS OF VEHICLE OCCUPANTS USING ULTRA WIDEBAND
VERFAHREN UND SYSTEME ZUR SCHÄTZUNG DER VITALZEICHEN VON FAHRZEUGINSASSEN UNTER VERWENDUNG VON ULTRABREITBAND
PROCÉDÉS ET SYSTÈMES D'ESTIMATION DE SIGNES VITAUX D'OCCUPANTS DE VÉHICULE À L'AIDE D'UNE BANDE ULTRALARGE
11.06.2025
Patent
Elektronische Ressource
Englisch
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