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Method and apparatus for wirelessly monitoring repetitive bodily movements

  • US 10,264,996 B2
  • Filed: 10/19/2016
  • Issued: 04/23/2019
  • Est. Priority Date: 10/19/2015
  • Status: Active Grant
First Claim
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1. A method for determining a rate of repetitive bodily motion of an individual without contact with the individual, wherein the method is executable by one or more computing devices and comprises:

  • transmitting a signal for reflection off of the individual;

    receiving a reflected signal;

    down-converting the reflected signal to a baseband signal;

    applying a frequency estimation algorithm to the baseband signal to produce an estimated spectral density, wherein the frequency estimation algorithm includes;

    estimating a covariance matrix of the baseband signal;

    estimating a clutter covariance matrix of the baseband signal;

    generating a resultant matrix from the clutter covariance matrix and the covariance matrix; and

    applying the frequency estimation algorithm to the resultant matrix to produce the estimated spectral density; and

    applying a repetitive bodily motion pattern search function to the estimated spectral density to estimate the rate of the repetitive bodily motion of the individual.

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