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START OF FRAME CORRELATION FOR PHYSICAL LAYER HEADER SYNCHRONIZATION

  • US 20100150053A1
  • Filed: 06/17/2009
  • Published: 06/17/2010
  • Est. Priority Date: 12/17/2008
  • Status: Active Grant
First Claim
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1. A terminal to identify a start of frame location for a received wireless signal, the terminal comprising:

  • a receiver module configured to receive a wireless signal transmitted via a satellite;

    an A/D module, communicatively coupled with the receiver module, and configured to process the received wireless signal to generate a digitized stream of symbols comprising a physical layer signal; and

    a correlator module, communicatively coupled with the A/D module, and configured to;

    calculate a plurality of correlation values over a period for the digitized stream, each of the correlation values comprising a correlation between different portions of the digitized stream of symbols; and

    utilize the plurality of correlation values to locate one or more correlation peaks and thereby identify the start of frame location.

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