Various methods and apparatuses for impulse noise detection

Details Various methods and apparatuses for impulse noise detection Various methods and apparatuses for impulse noise detection

2006-02-06

2010-10-12

Tran, Khanh C (Department: 2611)

Pulse or digital communications

Systems using alternating or pulsating current

Plural channels for transmission of a single pulse train

Reexamination Certificate

active

07813439

ABSTRACT:
Methods and apparatuses for reducing effects of impulse noise in a DSL transmitter receiver device are described. According to certain embodiment, the method includes comparing a hard decision output of a decoder with a soft decision output for a convolution coded modulation symbol received at a digital subscriber line (DSL) receiver. The presence of impulse noise is detected based on a lack of agreement between the hard decision output and the soft decision output.

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