Gesture Recognition using Frequency Modulated Continuous Wave (FMCW) Radar with Low Angle Resolution
First Claim
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1. A method for operating a frequency modulated continuous wave (FMCW) radar system, the method comprising:
- generating digital intermediate frequency (IF) signals from radio frequency signals received by a small receive antenna array in the FMCW radar system; and
processing the digital IF signals to determine whether or not a gesture was performed.
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Abstract
A method for operating a frequency modulated continuous wave (FMCW) radar system is provided that includes generating digital intermediate frequency (IF) signals from radio frequency signals received by a small receive antenna array in the FMCW radar system and processing the digital IF signals to determine whether or not a gesture was performed.
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Citations
20 Claims
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1. A method for operating a frequency modulated continuous wave (FMCW) radar system, the method comprising:
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generating digital intermediate frequency (IF) signals from radio frequency signals received by a small receive antenna array in the FMCW radar system; and processing the digital IF signals to determine whether or not a gesture was performed. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A frequency modulated continuous wave (FMCW) radar system comprising:
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a small receive antenna array; a receive channel for each receive antenna in the receive antenna array, each receive channel coupled to a respective receive antenna to generate a digital intermediate frequency (IF) signal from a radio frequency signal received by the receive antenna; and a processor coupled to each receive channel to process the digital IF signals to determine whether or not a gesture was performed. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification