Channel estimation method and apparatus determining a...

Details Channel estimation method and apparatus determining a... Channel estimation method and apparatus determining a...

2011-01-11

2011-01-11

Vo, Don N (Department: 2611)

Pulse or digital communications

Receivers

Particular pulse demodulator or detector

Reexamination Certificate

active

07869545

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.

REFERENCES:
patent: 7394865 (2008-07-01), Borran et al.
patent: 2004/0165674 (2004-08-01), Huang
patent: 2005/0008088 (2005-01-01), Liu et al.
patent: 2006/0062333 (2006-03-01), Yan
patent: 1020050011258 (2005-01-01), None

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