Pulse or digital communications – Equalizers – Automatic
Reexamination Certificate
2005-04-27
2008-12-16
Phu, Phuong (Department: 2611)
Pulse or digital communications
Equalizers
Automatic
C375S232000, C375S260000, C375S349000, C708S322000, C708S323000
Reexamination Certificate
active
07466750
ABSTRACT:
The present invention provides an apparatus for channel equalization and method thereof, by which a digital signal received via a plurality of antennas is equalized. The present invention includes receiving digital transmission signals using a plurality of antennas, respectively, initializing equalizer coefficients and equalizing the received signals respectively, adding the equalized signals together, predicting a noise amplified in the equalizing step, and generating a final output signal by removing the predicted noise from a value resulting from adding the equalized signals together. Therefore, the present invention performs equalization using a plurality of antennas, thereby enhancing the signal to noise ratio of the final output and facilitating the equalization of the severely distorted channel.
REFERENCES:
patent: 5689528 (1997-11-01), Tsujimoto
patent: 7218666 (2007-05-01), Baum et al.
patent: 1020040044831 (2004-05-01), None
patent: 1020040053412 (2004-06-01), None
Choi In Hwan
Kang Kyung Won
Kim Byoung Gill
Kim Woo Chan
Suh Yong Hak
Lee Hong Degerman Kang & Waimey
LG Electronics Inc.
Phu Phuong
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