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AssigneeMarvell International Ltd.
InventorsSiu-Hung Fred Au, Gregory Burd, Zining Wu, Jun Xu, Ichiro Kikuchi, Tony Yoon
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Systems and methods are provided for implementing various aspects of a Reed-Solomon (RS) error-correction system. A detector can provide a decision-codeword from a channel and can also provide soft-information for the decision-codeword. If the decision-codeword corresponds to an inner code and an RS code is the outer code, a soft-information map can process the soft-information for the decision-codeword to produce soft-information for a RS decision-codeword. A RS decoder can employ the Berlekamp-Massey algorithm (BMA), list decoding, and a Chien search, and can include a pipelined architecture. A threshold-based control circuit can be used to predict whether list decoding will be needed and can suspend the list decoding operation if it predicts that list decoding is not needed.
A method for decoding a dataword based on a decision-codeword using a Reed-Solomon decoder, the Reed-Solomon decoder comprising a first pipeline stage, a second pipeline stage, and a third pipeline stage, the method comprising:
A method for decoding a dataword based on a decision-codeword using a Reed-Solomon decoder, the Reed-Solomon decoder comprising a plurality of pipelines stages, the method comprising:
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