Technique for improving the quality of digital signals in a...

Details Technique for improving the quality of digital signals in a... Technique for improving the quality of digital signals in a...

2005-07-12

2005-07-12

Le, Don (Department: 2819)

Coded data generation or conversion

Digital code to digital code converters

To or from multi-level codes

C341S058000, C341S059000, C375S286000, C375S353000

Reexamination Certificate

active

06917312

ABSTRACT:
A technique for improving the quality of digital signals in a multi-level signaling system is disclosed. In one particular exemplary embodiment, the technique may be realized as a method for improving the quality of transmitted digital signals in a multi-level signaling system wherein digital signals representing more than one bit of information may be transmitted at more than two signal levels on a single transmission medium. The method may comprise encoding digital values represented by sets of N bits to provide corresponding sets of P symbols, wherein each set of P symbols is formed to reduce full-swing transitions between successive digital signal transmissions.

REFERENCES:
patent: 5640163 (1997-06-01), Nauta et al.
patent: 5812079 (1998-09-01), Ito et al.
patent: 6211803 (2001-04-01), Sunter
patent: 6538584 (2003-03-01), Borkar et al.
patent: 6696988 (2004-02-01), Chen

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