Techniques for decoding information from signals received...

Details Techniques for decoding information from signals received... Techniques for decoding information from signals received...

2006-09-18

2010-10-26

Lamarre, Guy J (Department: 2112)

Error detection/correction and fault detection/recovery

Pulse or data error handling

Digital data error correction

C714S755000, C714S786000

Reexamination Certificate

active

07823041

ABSTRACT:
Techniques are described herein that can be used to decode signals received over multiple channels. The received signals may be processed using noise reducing logic. Signal-to-noise ratio information per channel for signals received over each of the multiple channels may be considered to determine reliability information concerning the slicer input for each channel. Low density parity check codes or other forward error correction (FEC) codes may be used to decode the processed signals from all the multiple channels based on the reliability information.

REFERENCES:
patent: 2004/0057535 (2004-03-01), Strolle et al.
patent: 2006/0107179 (2006-05-01), Shen et al.
Gallager, R.G., “Low-Density Parity-Check Codes”, IRE Transactions on Information Theory, vol. 8, Jan. 1962, pp. 21-28.
Mackay, David J.C. et al., “Near Shannon Limit Performance of Low Density Parity Check Codes”, Electronics Letters, Mar. 13, 1997, vol. 33, No. 6, pp. 1-4.
Ungerboeck, Gottfried, “10GBASE-T Coding and Modulation: 128-DSQ + LDPC”, IEEE P802.3an Sep./Oct. 2004 interim meeting (Sep. 2004).

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