Method and apparatus for pilot estimation using a wiener filter
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United States of America Patent
Stats
-
Jun 1, 2004
Grant Date -
Dec 11, 2003
app pub date -
Sep 30, 2002
filing date -
Jun 5, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A system is disclosed for use in a wireless communication system to provide an estimated pilot signal. The system includes a receiver and a front-end processing and despreading component in electronic communication with the receiver for despreading a CDMA signal. A pilot estimation component is in electronic communication with the front-end processing and despreading component for estimating an original pilot signal using a Wiener filter to produce a pilot estimate. A demodulation component is in electronic communication with the pilot estimation component and the front-end processing and despreading component for providing demodulated data symbols. The Wiener filter is configured by an offline filter determination process that calculates parameters of the Wiener filter to minimize the mean-square error.
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