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Fast soft-output Viterbi decoding for duo-binary turbo codes

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2 Author(s)
Y. Saouter ; Ecole Nat. Superieure des Telecommun. de Bretagne, Brest, France ; C. Berrou

The implementation of a soft-output Viterbi decoder for an eight-state duo-binary code is described. This decoder is to be used in a turbo-decoder for convolutional codes. The implementation was made with the SYNOPSYS environment and targeted an ASIC 0.18 μm technology. The layout obtained has a working frequency of 150 MHz and thus an output data rate of 300 Mbits/s.

Published in:

Circuits and Systems, 2002. ISCAS 2002. IEEE International Symposium on  (Volume:1 )

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