@misc{yue2018outage,
  title={Outage Performance of Two-Way Relay Non-Orthogonal Multiple Access Systems},
  author={Xinwei Yue and Yuanwei Liu and Shaoli Kang and Arumugam Nallanathan and Yue Chen},
  year={2018},
  eprint={1801.08177},
  archivePrefix={arXiv},
  primaryClass={cs.IT},
  url={https://arxiv.org/abs/1801.08177}
}