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Algorithm for joint decoding of turbo codes and M-ary orthogonal modulation

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2 Author(s)
Liang, P.C.P. ; Dept. of Electr. Eng. & Comput. Sci., Michigan Univ., Ann Arbor, MI, USA ; Stark, W.E.

In this paper, we consider the concatenation of turbo codes and M-ary orthogonal modulation. A modified decoding algorithm that utilizes the correlated nature of an orthogonal symbol drawn from a Hadamard matrix and the soft-input/soft-output module of turbo codes is introduced. This improved decoding algorithm can significantly lower the error shoulder and reduce the SNR required for a given error probability

Published in:

Information Theory, 2000. Proceedings. IEEE International Symposium on

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