Constellation labeling maps for low error floors

@article{Torrieri2007ConstellationLM,
  title={Constellation labeling maps for low error floors},
  author={Don J. Torrieri and Matthew C. Valenti},
  journal={IEEE Transactions on Wireless Communications},
  year={2007},
  volume={7},
  pages={5401-5407}
}
A constellation labeling map is the assignment of a bit pattern to each symbol in a signal-set constellation. In a system with iterative decoding and demodulation, the error floor of the bit error rate is highly dependent on the labeling map. A simple class of labeling maps that significantly lower the error floors is presented. Examples show the applications of the proposed mapping to multiple phase-shift keying (MPSK), quadrature amplitude modulation (QAM), and continuous-phase frequency… CONTINUE READING

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