Method and apparatus for performing signal correlation using historical correlation data
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United States of America Patent
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Jul 28, 2009
Grant Date -
Jul 22, 2004
app pub date -
Oct 22, 2003
filing date -
May 18, 2001
priority date (Note) -
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Abstract
A method and apparatus for estimating a satellite signal parameter in a satellite positioning system receiver is described. In an example, a plurality of correlation results between a satellite signal and a reference signal is generated in response to a command from a processor. At least one satellite signal parameter is estimated from the plurality of correlation results using a co-processor integrated within the satellite positioning system receiver. The at least one satellite signal parameter is then provided to the processor.
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