Multiple frequency bin processing
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United States of America Patent
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Aug 7, 2001
Grant Date -
N/A
app pub date -
Nov 4, 1997
filing date -
Nov 4, 1997
priority date (Note) -
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Abstract
A method for increasing signal acquisition in global positioning system receivers is described. An algorithm for a banked filter of the invention provides low attenuation between frequency bins in which all of the frequency bins produce useful results and no multiplications are required to implement the algorithm. A shortened sampling interval is provided and a banked filter process is implemented. The multiple outputs of the banked filter are detected and summed in post detection filters.
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