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Methods, devices and systems for receiving and decoding a signal in the presence of noise using slices and warping

  • US 9,787,511 B2
  • Filed: 01/06/2016
  • Issued: 10/10/2017
  • Est. Priority Date: 09/20/2013
  • Status: Active Grant
First Claim
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1. A method implemented by a receiver, the method comprising:

  • receiving a signal, by an analog front-end of the receiver, the signal encoding a data packet at a first frequency;

    sampling the signal, by an analog-to-digital converter (ADC) of the receiver to generate sampled values;

    correlating, by a controller of the receiver, the sampled values with first and second templates of values obtained at a second frequency that is different from the first frequency to generate a plurality of slices at the second frequency, each of the slices comprising a pair of values;

    transforming, by the controller, at least some of the plurality of slices at the second frequency to slices at the second frequency plus or minus an offset, andgenerating, by the controller, a filter having a center frequency at the second frequency plus or minus the offset by combining the transformed slices.

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