Efficient multipath centroid tracking circuit for a code division multiple access (CDMA) system
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United States of America Patent
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Sep 22, 2009
Grant Date -
Aug 26, 2004
app pub date -
Feb 26, 2004
filing date -
Jun 30, 1995
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Abstract
A spread spectrum signal having an associated code is tracked at a receiver. A plurality of components of the spread spectrum signal are despread using the associated code. Each of the plurality of components has a different code phase than all others of the plurality of code phases. Each of the plurality of components is weighted based on a phase difference between that component and a center code phase associated with the plurality of components. A tracking error is determined based on the weighted components.
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