System and method for detecting multipath effects in a GPS receiver
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United States of America Patent
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Apr 9, 2013
Grant Date -
May 3, 2007
app pub date -
Nov 1, 2006
filing date -
Nov 2, 2005
priority date (Note) -
Expired
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Abstract
A multipath component in a GPS signal received is detected when an asymmetry exists in the correlation function of the received signal and the expected GPS signal. The multi-path component is also detected, even without a line-of-sight component in the received GPS signal, when a peak of the correlation function jumps a significant distance (i.e., a sudden, significant change in a detected code phase).
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