Coded data generation or conversion – Digital code to digital code converters – Adaptive coding
Reexamination Certificate
2008-07-29
2008-07-29
Mai, Lam T (Department: 2819)
Coded data generation or conversion
Digital code to digital code converters
Adaptive coding
C341S050000
Reexamination Certificate
active
07405678
ABSTRACT:
A storage device comprising a modulation encoder and decoder, an error-correction encoder and decoder, and a metric computation module. The modulation encoder and decoder provide a modulation code for data stored on the storage device. The error-correction encoder and decoder provide an error-correcting code for data to be written on the storage device. The metric computation module is coupled with the modulation decoder to compute conditional probabilities using recovered read-back channel parameters of the storage device.
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International Business Machines - Corporation
Mai Lam T
Neff Daryl
Nelson Eustus
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