SYSTEM AND METHOD FOR DIGITAL SUBSCRIBER LOOP CROSSTALK CANCELLATION
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United States of America Patent
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Issued Date -
Jan 26, 2012
app pub date -
Dec 23, 2009
filing date -
Dec 23, 2008
priority date (Note) -
Abandoned
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Abstract
A system and a method for crosstalk cancellation, the method includes: (i) generating estimated crosstalk cancellation matrices for each frequency bin of a group of adjacent frequency bins, wherein each estimated crosstalk cancellation matrix provides an estimation of a crosstalk cancellation that is expected to mitigate crosstalk that is generated at a single frequency bin by an array of transmitters that transmit information over different copper pairs that form a bonded digital subscriber line link; (ii) generating a group crosstalk cancellation matrix based on the estimated crosstalk cancellation matrices, wherein a size of the group crosstalk cancellation matrix is smaller that an aggregate size of the estimated crosstalk cancellation matrices; and (iii) cancelling crosstalk for each frequency bin of the group by utilizing the group crosstalk cancellation matrix.
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