Rate-adaptive constellation shaping for near-capacity achieving turbo coded BICM

  title={Rate-adaptive constellation shaping for near-capacity achieving turbo coded BICM},
  author={Metodi Yankov and S\oren Forchhammer and Knud J. Larsen and Lars P. B. Christensen},
  journal={2014 IEEE International Conference on Communications (ICC)},
In this paper the problem of constellation shaping is considered. Mapping functions are designed for a many-to-one signal shaping strategy, combined with a turbo coded Bit-interleaved Coded Modulation (BICM), based on symmetric Huffman codes with binary reflected Gray-like properties. An algorithm is derived for finding the Huffman code with such properties for a variety of alphabet sizes, and near-capacity performance is achieved for a wide SNR region by dynamically choosing the optimal code… CONTINUE READING
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