NDLI: LPM-Turbo Decoding Structure Based on Simulink

Content Provider	IEEE Xplore Digital Library
Author	Li Xiangling Wang Ke Xu Zhao
Copyright Year	2010
Abstract	Turbo decoding model with the linear prediction model is developed in Simulink based on the turbo decoding theory to replace one of iterations and reduce the decoding delay time. The factors are presented in the results of simulation, which are the linear prediction model, the length of interleave and the different decoding arithmetics that influence on the error-correcting performance of the modified structure of turbo decoder. The error-rate performance of turbo decoding structure based on the linear prediction model is only lower by 0.0~0.2dB than the traditional one, and the modified model can reduce the decoding delay time. As the length of interleave increases, the performance of the modified decoding structure also increases, but the length of interleave should be chosen properly because the decoding delay time is proportional to the length of interleave. Log-MAP algorithm has the best performance, the performance of which is 0.5dB higher than MAX-Log-MAP algorithm when BER is 10^(−2).
Starting Page	1
Ending Page	4
File Size	713713
Page Count	4
File Format	PDF
ISBN	9781424437085
DOI	10.1109/WICOM.2010.5600947
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-09-23
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Predictive models Turbo codes Prediction algorithms Decoding Iterative decoding Delay Signal to noise ratio
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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