Method for 2D antenna rake combining in a code division multiplication access system
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United States of America Patent
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Jan 9, 2007
Grant Date -
Mar 20, 2003
app pub date -
Sep 10, 2001
filing date -
Sep 10, 2001
priority date (Note) -
Expired
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Abstract
One aspect of the present invention is a method for combining a direct sequence spread spectrum signal comprising signal components that each may be characterized by a space variable and a time variable comprising the steps of: dispreading the signal components; and determining a set of combining coefficients from the signal components using a Minimum Mean Square Error combining method that considers the space and time variables of the signal components in parallel. The Minimum Mean Square Error combining methods may utilize iterative methods such as the Least Mean Squares method or the Recursive Least Squares method.
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