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US 8,947,804 B2Granted
Systems and methods for combined binary and non-binary data processing
AssigneeLSI Corporation
InventorsZongwang Li, Chung-Li Wang, Shaohua Yang, Changyou Xu, Lei Chen, Yang Han
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Abstract
Various embodiments of the present invention provide systems and methods for data processing. For example, a data processing system is disclosed that includes a combination data decoder circuit. The combination data decoder circuit includes: a non-binary data decoder circuit and a binary data decoder circuit.
Claims30
A data processing system, the data processing system comprising:
- a combination data decoder circuit including:
- a non-binary data decoder circuit operable to apply a non-binary data decode algorithm to a non-binary decoder input to yield a non-binary decoded output;
- a non-binary symbol to binary symbol conversion circuit operable to convert a non-binary symbol in the non-binary decoder input into a corresponding binary symbol in a binary decoder input;
- a binary data decoder circuit operable to apply a binary data decode algorithm to the binary decoder input to yield a binary decoded output;
- and
- a binary symbol to non-binary symbol converter circuit operable to convert a binary symbol in the binary decoded output into a corresponding non-binary symbol in a converted non-binary decoded output.
3 more elements
A method for data processing, the method comprising:
- applying a non-binary data decode algorithm to a non-binary decoder input to yield a first decoded output;
- applying a binary data decode algorithm to a derivative of the non-binary decoder input to yield a second decoded output;
- selecting one of the first decoded output and the second decoded output that corresponds to an original data set;
- and
- providing a data output derived from the selected one of the first decoded output and the second decoded output as a data output.
2 more elements
A storage device, the storage device comprising:
- a storage medium;
- a head assembly disposed in relation to the storage medium and operable to provide a sensed signal corresponding to information on the storage medium;
- a read channel circuit including:
- an analog to digital converter circuit operable to sample an analog signal derived from the sensed signal to yield a series of digital samples;
- an equalizer circuit operable to equalize the digital samples to yield a data set;
- a data detector circuit operable to apply a data detection algorithm to the data set to yield a detected output;
- and
- a combination data decoder circuit including:
- a non-binary data decoder circuit operable to apply a non-binary data decode algorithm to a non-binary decoder input to yield a non-binary decoded output, wherein the non-binary decoded input is derived from the detected output;
- a non-binary symbol to binary symbol conversion circuit operable to convert a non-binary symbol in the non-binary decoder input into a corresponding binary symbol in a binary decoder input;
- a binary data decoder circuit operable to apply a binary data decode algorithm to the binary decoder input to yield a binary decoded output;
- and
- a binary symbol to non-binary symbol converter circuit operable to convert a binary symbol in the binary decoded output into a corresponding non-binary symbol in a converted non-binary decoded output.
10 more elements
A data processing system, the data processing system comprising:
- a non-binary data decoder circuit operable to apply a non-binary data decode algorithm to a non-binary decoder input to yield a non-binary decoded output;
- a binary data decoder circuit operable to apply a binary data decode algorithm to the binary decoder input to yield a binary decoded output;
- wherein the non-binary data decoder circuit and the binary data decoder circuit share common circuitry.
Dependencies are inferred from the claim text.