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Comparison of Decoding Algorithms for Concatenated Turbo Codes


Žagar, Drago; Falamić, Nenad; Rimac-Drlje, Snježana
Comparison of Decoding Algorithms for Concatenated Turbo Codes // Proceedings of 4th WSEAS International Conference on Electronics, Hardware, Wireless And Optical Communications (EHAC `05)
Saltzburg, Austria: WSEAS, 2005. (predavanje, međunarodna recenzija, cjeloviti rad (in extenso), znanstveni)


Naslov
Comparison of Decoding Algorithms for Concatenated Turbo Codes

Autori
Žagar, Drago ; Falamić, Nenad ; Rimac-Drlje, Snježana

Vrsta, podvrsta i kategorija rada
Radovi u zbornicima skupova, cjeloviti rad (in extenso), znanstveni

Izvornik
Proceedings of 4th WSEAS International Conference on Electronics, Hardware, Wireless And Optical Communications (EHAC `05) / - Saltzburg, Austria : WSEAS, 2005

Skup
4th WSEAS International Conference on Electronics, Hardware, Wireless And Optical Communications (EHAC `05)

Mjesto i datum
Saltzburg, Austrija, 2005

Vrsta sudjelovanja
Predavanje

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
Turbo code; Log-MAP; SOVA; BER; Signal/Noise ratio

Sažetak
This paper deals with a comparison of decoding algorithms for concatenated turbo codes. For this purpose we have implemented an algorithm of the concatenated convolutional turbo code in Matlab program. The algorithms used for decoding of turbo codes were Log-MAP and SOVA. To perform measurements we have simulated different communications conditions in the implemented model. We have evaluated the impact of the Signal/Noise ratio and the frame length on bit error rate (BER) for different decoders and finally compared the analysed decoding methods with theoretical limits.

Izvorni jezik
Engleski



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