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[07-08, 2004] 

Journal of Electrical Engineering, Vol 55, 07-08 (2004) 212-215

IMPLEMENTATION OF THE VITERBI ALGORITHM USING FUZZY ARITHMETIC

Nikos V. Kokkalis - Christos S. Koukourlis

   In this paper the incorporation of fuzzy arithmetic into Viterbi Algorithm is exploited. Especially the length estimation of trellis paths is based on fuzzy arithmetic. Taking advantage of the newly developed fuzzy processors, this paper aims to show the applicability of fuzzy arithmetic into Viterbi Algorithm by simulating the whole procedure in Borland Delphi. The algorithm exploited a good conformity with the expected results when compared to the optimum (conventional) implementation. We show that it is possible to incorporate fuzzy arithmetic into Viterbi Algorithm, obtaining similar results regarding BER vs Eb/N0.

Keywords: Viterbi algorithm, fuzzy arithmetic, fuzzy logic, V.32, TCM, fuzzy processor


[full-paper]


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