Synthesize a simple algorithm to determine the weighted distance spectrum of turbo codes

Authors:
Teodor Iliev
Affiliations:
University of Rousse
Venue:
CompSysTech '07 Proceedings of the 2007 international conference on Computer systems and technologies
Year:
2007

Citing 3
Cited 0

Error control systems for digital communication and storage

Error control systems for digital communication and storage
Unveiling turbo codes: some results on parallel concatenated coding schemes

IEEE Transactions on Information Theory
Design of interleavers for turbo codes: iterative interleaver growth algorithms of polynomial complexity

IEEE Transactions on Information Theory

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Abstract

In this work we present such an algorithm for determining the weighted distance spectrum for a given interleaver and given component encoders. We analyse one of the most important characteristic feature of turbo codes -- the error floor. Moreover, our algorithm provides some useful insights into the code structure of turbo codes, which kind of input words generate codewords of low weight. We assume in this work that both component encoders of the turbo code are simultaneously terminated at the end of the input word u.