Multiplex communications – Crosstalk suppression
Reexamination Certificate
2009-10-19
2011-11-29
Marcelo, Melvin (Department: 2463)
Multiplex communications
Crosstalk suppression
C370S286000
Reexamination Certificate
active
08068406
ABSTRACT:
Signals propagating in one communication channel can generate crosstalk interference in another communication channel. A crosstalk cancellation device can process the signals causing the crosstalk interference and generate a crosstalk cancellation signal that can compensate for the crosstalk when applied to the channel receiving crosstalk interference. The crosstalk cancellation device can include a model of the crosstalk effect that generates a signal emulating the actual crosstalk both in form an in timing. The crosstalk cancellation device can include a controller that monitors crosstalk-compensated communication signals and adjusts the model to enhance crosstalk cancellation performance. The crosstalk cancellation device can have a mode of self configuration or calibration in which defined test signals can be transmitted on the crosstalk-generating channel and the crosstalk-receiving channel.
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Bajekal Sanjay
Kim Andrew Joo
Summers Charles
Vrazel Michael G.
King & Spalding
Marcelo Melvin
Quellan Inc.
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