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Apparatus, methods and computer program products for positioning system signal processing using parallel computational techniques

  • US 20060034354A1
  • Filed: 08/16/2004
  • Published: 02/16/2006
  • Est. Priority Date: 08/16/2004
  • Status: Abandoned Application
First Claim
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1. A method of searching for a positioning system modulation code in a radio signal, the method comprising:

  • processing the radio signal to generate 1-bit signal values;

    bitwise logically combining the 1-bit signal values with a 1-bit quantized carrier demodulation template to produce demodulated 1-bit signal values;

    bitwise logically combining the demodulated 1-bit signal values with the positioning system modulation code to produce a plurality of 1-bit correlation values;

    arithmetically combining the 1-bit correlation values to generate a correlation metric; and

    detecting the positioning system modulation code responsive to the correlation metric.

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