METHOD AND APPARATUS FOR CANCELLING IMPULSE NOISE IN DSL SYSTEMS
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United States of America Patent
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Issued Date -
Apr 24, 2014
app pub date -
Oct 18, 2013
filing date -
Oct 18, 2012
priority date (Note) -
Abandoned
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Abstract
The present invention generally relates to an impulse noise canceller for DSL systems. According to certain aspects, embodiments of the invention provide a dual sensor receiver to deal with the impulse noise effectively. The second sensor can be incorporated by either a common mode or unused differential port. Alternatively a power line sensor can also act as a sensor. According to certain additional aspects, embodiments of the invention provide various alternative implementations of an impulse noise canceller within a DSL receiver. According to still further aspects, embodiments of the invention provide methods for selectively training an impulse noise canceller in the various implementations.
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