Method and apparatus for processing signals received from a channel having a variable channel length
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United States of America Patent
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Dec 4, 2007
Grant Date -
Nov 13, 2003
app pub date -
May 13, 2002
filing date -
May 13, 2002
priority date (Note) -
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Abstract
A receiver includes a channel length determination unit to determine a channel length for use by a channel estimator. In at least one embodiment, an iterative process is used to find a channel length (or a combination of channel length and one or more other channel related parameters) that optimizes a channel estimation quality criterion. A time tracking method is also provided that uses an early metric, a center metric, and a late metric to determine an appropriate timing.
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