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Iterative min-sum decoding of tail-biting codes

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4 Author(s)
Aji, S. ; Dept. of Electr. Eng., California Inst. of Technol., Pasadena, CA, USA ; Horn, G. ; McEliece, R. ; Meina Xu

By invoking a form of the Perron-Frobenius theorem for the “min-sum” semi-ring, we obtain a union bound on the performance of iterative decoding of tail-biting codes. This bound shows that for the Gaussian channel, iterative decoding will be optimum, at least for high SNRs, if and only if the minimum “pseudo-distance” of the code is larger than the ordinary minimum distance

Published in:

Information Theory Workshop, 1998

Date of Conference:

22-26 Jun 1998