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Incremental preamble detection

  • US 9,362,977 B2
  • Filed: 08/03/2012
  • Issued: 06/07/2016
  • Est. Priority Date: 10/27/2011
  • Status: Expired due to Fees
First Claim
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1. A processor-implemented method for incrementally detecting a preamble in a data signal transmitted from a transmitter and received at a receiver, the method comprising:

  • processing a portion of data of a set of data in the received data signal to update a set of correlation profiles based on the processed portion of data, wherein each correlation profile corresponds to a different possible preamble;

    wherein a total size of the set of data corresponds to a length of a preamble to be detected in the received data signal plus a specified maximum propagation delay; and

    wherein a size of the processed portion of data is smaller than the total size of the set of data; and

    performing an intermediate preamble detection attempt corresponding to the processed portion of data to determine whether a correlation profile in the updated set of correlation profiles corresponds to one of the different possible preambles, wherein the intermediate preamble detection attempt is performed before processing another portion of data in the set of data.

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