CHANNEL ESTIMATION METHOD AND DEVICE USING THE SAME
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United States of America Patent
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Feb 26, 2013
Grant Date -
Feb 28, 2013
app pub date -
Dec 2, 2011
filing date -
Aug 23, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
A channel estimation method is provided. The method includes the following steps of: receiving an input symbol of an input signal and obtaining several pilot channel gains through calculation; executing an operation of interpolation on the pilot channel gains by a Wiener filter to obtain several data channel gains through calculation; calculating an adaptive alteration for the first and second multi-path statistical characteristic parameters according to the data channel gains and the pilot channel gains, and accordingly having the first and the second multi-path statistical characteristic parameters adjusted; generating an updated Wiener filter according to the adjusted first and second multi-path statistical characteristic parameters to execute an operation of channel estimation on a next input symbol of the input signal.
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