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A fast algorithm to estimate the distance spectrum of turbo codes

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3 Author(s)
Scalise, S. ; DLR, Wessling, Germany ; Young-Jik Ko Bae ; Ernst, H.

The computational complexity required by the complete calculation of the distance spectrum of turbo codes, even limited to low weight input sequences, makes it too slow for practical purposes such as interleaver optimization or effective bit error rate bounding. A fast algorithm for distance spectrum estimation purposes is presented. A comparison with complete computed spectra, theoretically derived spectra and results from previous works are presented for both deterministic and uniform interleavers.

Published in:

Telecommunications, 2003. ICT 2003. 10th International Conference on  (Volume:1 )

Date of Conference:

23 Feb.-1 March 2003