System for impulse noise and radio frequency interference...

Details System for impulse noise and radio frequency interference... System for impulse noise and radio frequency interference...

2006-08-17

2010-06-22

Chase, Shelly A (Department: 2112)

Error detection/correction and fault detection/recovery

Pulse or data error handling

Digital data error correction

Reexamination Certificate

active

07743313

ABSTRACT:
A system for processing a data signal (such as an ADSL or VDSL signal) includes a first decoder unit, such as a convolutional decoder or a QAM decoder, for receiving the data signal, decoding the second level of encoding and outputting a decoded signal and a first error indication signal indicative of errors in the decoded signal. A redundancy decoder employs the decoded signal and the first error indication signal (or transformed versions thereof) to perform redundancy decoding.

REFERENCES:
patent: 5691995 (1997-11-01), Ikeda et al.
patent: 7020101 (2006-03-01), Mantilo
patent: 2005/0102600 (2005-05-01), Anandakumar
patent: 2006/0083324 (2006-04-01), DesJardins et al.

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