ISDN crosstalk cancellation in a DSL system

Details ISDN crosstalk cancellation in a DSL system ISDN crosstalk cancellation in a DSL system

2004-04-30

2009-08-18

Harper, Kevin C (Department: 2416)

Multiplex communications

Crosstalk suppression

C379S417000

Reexamination Certificate

active

07577084

ABSTRACT:
To reduce the ISDN crosstalk in an incoming DSL signal, a crosstalk canceller observes at least a portion of the crosstalk signal and reproduces an estimate of the crosstalk signal for at least a portion of that signal within the DSL band. The crosstalk canceller applies a canceling signal based on the estimated crosstalk signal to reduce the crosstalk in the received DSL signal.

REFERENCES:
patent: 7035361 (2006-04-01), Kim et al.
patent: 7154845 (2006-12-01), Barrass et al.
patent: 2003/0086362 (2003-05-01), Hasegawa et al.
patent: 2005/0105473 (2005-05-01), Hausman et al.
patent: 2005/0220180 (2005-10-01), Barlev et al.

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