Type-agnostic RF signal representations

  • US 10,496,182 B2
  • Filed: 04/19/2019
  • Issued: 12/03/2019
  • Est. Priority Date: 04/30/2015
  • Status: Active Grant
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First Claim
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1. At least one non-transitory computer-readable storage medium having instructions stored thereon that, responsive to execution by at least one computer processor, cause the computer processor to:

  • receive type-specific raw data representing a reflection signal caused by movement of an object within a type-specific radar field, the reflection signal comprising a superposition of reflections of a plurality of points of the object;

    transform the type-specific raw data into a type-agnostic signal representation that is independent of parameters of the type-specific radar field, the transformation according to a model of the object as a set of scattering centers, each of the scattering centers corresponding to one of the points of the object; and

    determine, based on the type-agnostic signal representation, a gesture or action performed by the object.

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