Method and apparatus for performing signal correlation
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United States of America Patent
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May 10, 2005
Grant Date -
Nov 28, 2002
app pub date -
Feb 22, 2002
filing date -
May 18, 2001
priority date (Note) -
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Abstract
A method and apparatus for computing a convolution between an input GPS signal and a C/A code reference by generating the convolution result in real time without storing unprocessed signal samples. The apparatus comprises a vector multiplier running at high speed to achieve the same result as a vector multiplier sized to process an entire epoch. Additionally, the input samples to, and the output samples of, the vector multiplier can be quantized to reduced circuit complexity.
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