Arrangement for adaptive bit recovery
AssigneeThomson Licensing
InventorsAxel Kochale, Dirk Schmitt, Stefan Rapp
Life of this patent
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Abstract
The present invention relates to an arrangement for adaptive bit recovery, and to an apparatus for reading from and/or writing to recording media using such arrangement. According to the invention, an arrangement for adaptive bit recovery including an adaptive equalizer and an adaptive partial response maximum likelihood detector further includes an overflow control block for the adaptive equalizer for monitoring one or more of the adaptation coefficients and/or a state violation checker for monitoring the allowed states and indicating state violations as well as and a noise detector for detecting larger deviations of the target values.
Claims7
Arrangement for adaptive bit recovery, comprising:
- an adaptive equalizer;
- an adaptive partial response maximum likelihood detector;
- an overflow control block for the adaptive equalizer for monitoring one or more adaptation coefficients;
- and
- a scaling block for applying a scaling to one or more data paths of the coefficients when the overflow control block indicates that one or more of the coefficients is out of an intended data range, wherein the scaling is applied such that a middle coefficient has the highest value.
Dependencies are inferred from the claim text.