Error correction compensating ones or zeros string suppression

Details Error correction compensating ones or zeros string suppression Error correction compensating ones or zeros string suppression

2007-07-10

2007-07-10

Dildine, R. Stephen (Department: 2112)

Coded data generation or conversion

Digital code to digital code converters

To or from minimum d.c. level codes

C341S059000, C714S809000

Reexamination Certificate

active

10910433

ABSTRACT:
An error correction compensating ones or zeros string suppression system and method for use in a digital transmission system is herein disclosed. In digital transmission systems utilizing error control coding (ECC)/forward error correction (FEC) to reduce the number of bit errors in a bit stream, long strings of ones and zeros are easily suppressed by detecting a prohibited length of ones or zeros, and flipping a bit in the string of ones or zeros. This method and system removes the violation of the ones or zeros bit string requirement by flipping a bit in the string, while the receiving side utilizes the error correction capability of the ECC/FEC to correct the inverted bit.

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