STORAGE DEVICE OPERATIONS BASED ON BIT ERROR RATE (BER) ESTIMATE

A data storage device may include a memory and a controller that includes an error correction coding (ECC) decoder configured to operate in a plurality of decoding modes. The controller also includes a bit error rate estimator configured to determine, based on data received from the memory, bit erro...

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Bibliographische Detailangaben
Hauptverfasser:	DUMCHIN YAN, RYABININ YURI, Bazarsky Alexander, SHARON ERAN, ALROD IDAN, NAVON ARIEL
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRONIC CIRCUITRY CALCULATING CODE CONVERSION IN GENERAL CODING COMPUTING COUNTING DECODING ELECTRIC DIGITAL DATA PROCESSING ELECTRICITY INFORMATION STORAGE PHYSICS STATIC STORES
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Beschreibung
Zusammenfassung:	A data storage device may include a memory and a controller that includes an error correction coding (ECC) decoder configured to operate in a plurality of decoding modes. The controller also includes a bit error rate estimator configured to determine, based on data received from the memory, bit error rate estimates for ECC codewords from the memory. The controller also includes a data path management unit configured to reorder the codewords based on the bit error rate estimates and to provide the reordered codewords to the ECC decoder.