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image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao annals of telecommun...arrow_drop_down
image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
annals of telecommunications - annales des télécommunications
Article . 2001 . Peer-reviewed
License: Springer TDM
Data sources: Crossref
image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
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How we implemented block turbo codes?

Authors: Kerouedan, Sylvie; Adde, Patrick; Pyndiah, Ramesh;

How we implemented block turbo codes?

Abstract

This paper presents a block turbo decoding algorithm, from its theory to its implementation in a programmable circuit. In this study, we discuss the two prototypes realized. It will be possible to compare the complexity of the core of the process, which is the elementary decoder, thanks to the choice of essential parameters. One prototype is more dedicated to high data rates, the other one being implemented on only one FPGA which means a gain in terms of area. First, we briefly focus on the description of the siso (Soft-In Soft-out) algorithm used to implement the turbo decoder. Then, we explain the essential choices in order to adapt the algorithm for an ASIC implementation, which leads to a compromise between area and binary error rate. Finally, we present the two prototypes implemented and their experimental results. L’objectif de cet article est de presenter le turbodecodage de codes produits depuis la theorie jusqu’a la realisation sur circuit programmable. Deux prototypes ont ete realises, Us serviront de support a cette etude. Il sera en effet possible de comparer la complexite du decodeur elementaire en fonction d’un certain nombre de parametres, de mettre face a face une structure dediee aux debits eleves et une structure optimisee en surface. Dans une premiere partie, on trouvera une breve description de l’algorithme srso (Soft-In Soft-Out) permettant de realiser le turbo decodage. Vient ensuite la description de l’adaptation de cet algorithme a l’implantation sur silicium. Cette phase necessite des choix entre complexite en terme de circuit et performance en terme de taux d’erreurs binaires. La derniere partie presente les choix d’architectures et les resultats experimentaux des 2 prototypes.

Country
France
Related Organizations
Keywords

Decoder, ASIC, Decoding, Turbo code, Réalisation circuit, [SPI.TRON] Engineering Sciences [physics]/Electronics, Circuit realization, Code bloc, Décodage, Block code, Conception circuit, Error correcting code, Circuit ASIC, Circuit design, Code correcteur erreur, Décodeur, [SPI.SIGNAL] Engineering Sciences [physics]/Signal and Image processing

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
5
Average
Top 10%
Average
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