RADAR SENSING OF VEHICLE OCCUPANCY
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United States of America Patent
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Sep 10, 2015
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Sep 10, 2014
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A method for sensing occupancy status within an automotive vehicle uses a radar sensor system having an antenna system, at least one sensor and processing circuitry. The method comprises: illuminating, using the antenna system, at least one occupiable position within the vehicle with an outgoing radar signal; receiving, using at least one sensor, at least one sensor signal reflected as a result of the outgoing radar signal; obtaining accelerometer data value from at least one accelerometer, the accelerometer data containing information regarding vibration or motion of the automotive vehicle and supplying the accelerometer data to the processing circuitry; and operating the processing circuitry for generating, based on the at least one sensor signal and on the accelerometer data, one or more occupancy status signals, the occupancy status signal indicating a property related to the at least one occupiable position.
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