Non-line-of-sight radar-based gesture recognition

  • US 10,664,059 B2
  • Filed: 03/20/2017
  • Issued: 05/26/2020
  • Est. Priority Date: 10/02/2014
  • Status: Active Grant
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First Claim
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1. A smart device associated with a radar field, the smart device comprising:

  • a non-line-of-sight gesture-recognition system configured to;

    provide the radar field, the radar field including a direct radar field and a reflected radar field, the reflected radar field provided in one or more volumes in a room to which direct line-of-sight from the non-line-of-sight gesture-recognition system is not available;

    sense radar reflections from an interaction that is within the reflected radar field, the radar reflections sensed by receiving the radar reflections from a surface of the room and at an antenna of the non-line-of-sight gesture-recognition system;

    recognize, based on the radar reflections from the interaction that is within the reflected radar field, a gesture; and

    determine that the gesture is associated with a non-line-of-sight smart device; and

    a transceiver or network interface configured to pass the gesture from the smart device associated with the radar field to the non-line-of-sight smart device in a format usable by the non-line-of-site smart device to recognize the gesture and effective to enable the gesture to control the non-line-of-sight smart device or establish communication with the non-line-of-sight smart device.

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