DATA STORAGE SYSTEM

A data storage system includes an encoder subsystem comprising an error correction code encoder, a modulation encoder, and a precoder, and a decoder subsystem similarly comprising a detector, an inverse precoder, a modulation decoder, and an error correction code decoder. The error correction encode...

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Hauptverfasser: ELEFTHERIOU, Evangelos S, CIDECIYAN, Roy D, DHOLAKIA, Ajay, MITTELHOLZER, Thomas, HANSON, Weldon M, OENNING, Travis R, GALBRAITH, Richard L
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creator ELEFTHERIOU, Evangelos S
CIDECIYAN, Roy D
DHOLAKIA, Ajay
MITTELHOLZER, Thomas
HANSON, Weldon M
OENNING, Travis R
GALBRAITH, Richard L
description A data storage system includes an encoder subsystem comprising an error correction code encoder, a modulation encoder, and a precoder, and a decoder subsystem similarly comprising a detector, an inverse precoder, a modulation decoder, and an error correction code decoder. The error correction encoder applies an error correction code to the incoming user bit stream, and the modulation encoder applies so-called modulation or constrained coding to the error correction coded bit stream. The precoder applies so-called precoding to the modulation encoded bit stream. However, this precoding is applied to selected portions of the bit stream only. There can also be a permutation step where the bit sequence is permuted after the modulation encoder before precoding is applied by the precoder. The decoder subsystem operates in the inverse manner.
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language eng ; fre ; ger
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subjects BASIC ELECTRONIC CIRCUITRY
CODE CONVERSION IN GENERAL
CODING
DECODING
ELECTRICITY
INFORMATION STORAGE
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER
PHYSICS
title DATA STORAGE SYSTEM
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