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Evaluation of the Turbo-decoder Coprocessor on a TMS320C64x Digital Signal Processor
Linköping University, Department of Electrical Engineering, Communication Systems.
2011 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

One technique that is used to reduce the errors brought upon signals, when transmitted over noisy channels, is error control coding. One type of such coding, which has a good performance, is turbo coding. In some of the TMS320C64xTM digital signal processors there is a built in coprocessor that performs turbo decoding.

This thesis is performed on the account of Communication Developments, within Saab AB and presents an evaluation of this coprocessor. The evaluation deals with both the memory consumption as well as the data rate. The result is also compared to an implementation of turbo coding that does not use the coprocessor.

Abstract [sv]

En teknik som används för att minska de fel som en signal utsätts för vid transmission över en brusig kanal är felrättande kodning. Ett exempel på sådan kodning som ger ett mycket bra resultat är turbokodning. I några digitalsignalprocessorer, av sorten TMS320C64xTM, finns en inbyggd coprocessor som utför turboavkodning.

Denna uppsats är utförd åt Communication Development inom Saab AB och presenterar en utvärdering av denna coprocessor. Utvärderingen avser såväl minnesförbrukning som datatakt och innehåller även en jämförelse med en implementering av turbokodning utan att använda coprocessorn.

Place, publisher, year, edition, pages
2011. , 84 p.
Keyword [en]
Turbo decoding, Turbo-decoder Coprocessor, Digital Signal Processor, C64x
National Category
URN: urn:nbn:se:liu:diva-71656ISRN: LiTH-ISY-EX--11/4522--SEOAI: diva2:451918
Subject / course
Communication Systems
Available from: 2011-10-31 Created: 2011-10-27 Last updated: 2012-06-18Bibliographically approved

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Evaluation of Turbo Decoding on DSP(764 kB)2015 downloads
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