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US Patent 10263644 Hybrid architecture for LDPC channel coding in data center

Patent 10263644 was granted and assigned to Xilinx on April, 2019 by the United States Patent and Trademark Office.

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Patent abstractTimelineTable: Further ResourcesReferences
Is a
Patent
Patent
1

Patent attributes

Patent Applicant
Xilinx
Xilinx
1
Current Assignee
Xilinx
Xilinx
1
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
1
Patent Number
102636441
Patent Inventor Names
Hai-Jo Tarn1
Christopher H. Dick1
Raied N. Mazahreh1
Nihat E. Tunali1
Date of Patent
April 16, 2019
1
Patent Application Number
149258251
Date Filed
October 28, 2015
1
Patent Citations Received
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US Patent 11876622 LDPC encoder and decoder for multi-mode higher speed passive optical networks
2
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US Patent 10530390 Data storage device employing memory efficient processing of un-converged codewords
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US Patent 10606699 Data storage device employing multi-level parity sectors for data recovery procedure
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US Patent 10700706 Memory system with decoders and method of operating such memory system and decoders
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US Patent 10956246 Isolated read channel management interfaces at streaming data service
1
Patent Primary Examiner
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Steve N Nguyen
1
Patent abstract

Methods and systems are presented in this disclosure for implementing forward error correction in cloud and data center storage devices based on low-density parity-check (LDPC) channel coding. A forward error correction circuit presented herein includes a first LDPC decoder configured to perform hard-decision LDPC decoding of data read from a storage medium through a first read channel. The forward error correction circuit further includes a hybrid LDPC decoder selectively configurable to perform a selected one of hard-decision LDPC decoding and soft-decision LDPC decoding of data read from the storage medium through a second read channel, wherein, responsive to a control signal generated based, at least in part, on one or more parameters indicative of condition of the storage medium, the hybrid LDPC decoder is switchable between hard-decision LDPC decoding and soft-decision LDPC decoding.

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