Spread spectrum receiver with multi-path correction
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United States of America Patent
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-
Jul 12, 2005
Grant Date -
May 31, 2001
app pub date -
Dec 11, 2000
filing date -
Apr 25, 1996
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A spread spectrum receiver uses a comparison of the magnitude of the code correlation amplitudes at equal power at a one chip spacing to the magnitude at a central position there between to determine if multipath interference is present. The lead or lag error from constructive or destructive multipath interference may also be determined. Inaccuracies due to such interference may then be corrected or minimized by, for example, determining the residual code phase error and/or the prompt or accurate code phase delay.
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