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METHOD TO IMPROVE SATELLITE SIGNAL DETECTION

  • US 20150015438A1
  • Filed: 09/25/2013
  • Published: 01/15/2015
  • Est. Priority Date: 07/12/2013
  • Status: Active Grant
First Claim
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1. A method of acquiring a satellite signal in a GNSS receiver, the method comprising:

  • multiplying a received signal with a hypothesized doppler frequency signal to generate a frequency shifted signal;

    multiplying a PN code sequence signal with the frequency shifted signal to generate a PN wiped signal;

    multiplying a windowing function signal with the PN wiped signal to generate a windowed signal; and

    integrating, coherently, the windowed signal for a first predefined time to generate a coherent accumulated data.

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