Convergence behavior of iteratively decoded parallel concatenated codes

@article{Brink2001ConvergenceBO,
  title={Convergence behavior of iteratively decoded parallel concatenated codes},
  author={Stephan ten Brink},
  journal={IEEE Trans. Communications},
  year={2001},
  volume={49},
  pages={1727-1737}
}
Mutual information transfer characteristics of soft in/soft out decoders are proposed as a tool to better understand the convergence behavior of iterative decoding schemes. The exchange of extrinsic information is visualized as a decoding trajectory in the extrinsic information transfer chart (EXIT chart). This allows the prediction of turbo cliff position and bit error rate after an arbitrary number of iterations. The influence of code memory, code polynomials as well as different constituent… CONTINUE READING
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