@article{beyondpowersoftwohexagonalmodulationand,
  title = {Beyond Powers of Two: Hexagonal Modulation and Non-Binary Coding for Wireless Communication Systems},
  year = {2017},
  eprint = {1712.07630},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1712.07630v1},
}