METHOD FOR CODING DIGITAL DATA, METHOD FOR DECODING DIGITAL SIGNAL, APPARATUS FOR CODING DIGITAL DATA, APPARATUS FOR DECODING DIGITAL SIGNAL, AND INTEGRATED CIRCUIT

METHOD FOR CODING DIGITAL DATA, METHOD FOR DECODING DIGITAL SIGNAL, APPARATUS FOR CODING DIGITAL DATA, APPARATUS FOR DECODING DIGITAL SIGNAL, AND INTEGRATED CIRCUIT

PROBLEM TO BE SOLVED: To provide an efficient coding and modulation system for transmission of digital data over plastic optical fibers.SOLUTION: Digital data is coded by means of a three-level coset coding. A first level applies to the digital data a binary BCH coding and performs coset partitionin...

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Hauptverfasser: CARLOS PARDO VIDAL, RUBEN PEREZ DE ARANDA ALONSO
Format: Patent
Sprache:eng
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BASIC ELECTRONIC CIRCUITRY
CODE CONVERSION IN GENERAL
CODING
DECODING
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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creator CARLOS PARDO VIDAL
RUBEN PEREZ DE ARANDA ALONSO
description PROBLEM TO BE SOLVED: To provide an efficient coding and modulation system for transmission of digital data over plastic optical fibers.SOLUTION: Digital data is coded by means of a three-level coset coding. A first level applies to the digital data a binary BCH coding and performs coset partitioning by means of constellation mapping and lattice transformations. A second level applies another binary BCH coding, which may be performed selectably in accordance with a desired configuration by two BCH codes with substantially the same coding rate, operating on codewords of different sizes. A third level is uncoded. Both the second and third levels undergo mapping and lattice transformation. After an addition of the levels, a second-stage lattice transformation is performed so as to obtain a zero-mean constellation. Symbols output from such a three-level coset coder are then further modulated.
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subjects BASIC ELECTRONIC CIRCUITRY
CODE CONVERSION IN GENERAL
CODING
DECODING
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
title METHOD FOR CODING DIGITAL DATA, METHOD FOR DECODING DIGITAL SIGNAL, APPARATUS FOR CODING DIGITAL DATA, APPARATUS FOR DECODING DIGITAL SIGNAL, AND INTEGRATED CIRCUIT
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