CHANNEL ESTIMATION CIRCUIT, CHANNEL ESTIMATION METHOD, AND RECEIVER
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United States of America Patent
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Issued Date -
Dec 27, 2012
app pub date -
Feb 24, 2011
filing date -
Mar 5, 2010
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Abandoned
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Abstract
Disclosed is a channel estimation circuit that estimates a channel state of each sub-carrier, transforms the estimated channel state information into a time-domain complex delay profile, suppresses a noise by way of processing the complex delay profile, and transforms the complex delay profile into a frequency domain. The channel estimation circuit makes a judgment on the estimated channel state and carries out masking on a part of the complex delay profile in accordance with the judgment for suppressing the noise.
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