Channel estimation method and apparatus determining a channel impulse response (CIR) distribution area using two adjacent windows
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United States of America Patent
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Jan 11, 2011
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app pub date -
May 23, 2007
filing date -
Dec 7, 2006
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Abstract
A channel estimation method and apparatus based on two adjacent windows. The channel estimation method includes scanning a signal containing noise and channel impulse response (CIR) information with a first window and a second window, detecting a CIR distribution area based on the ratio between the average power of the signal within the first window and the average power of the signal within the second window and at least one threshold value, eliminating the noise from the CIR distribution area and estimating the CIR information. Accordingly, noise interference can be minimized and accurate channel estimation can be accomplished.
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