@misc{ali2016dynamic,
  title={Dynamic User Clustering and Power Allocation for Uplink and Downlink Non-Orthogonal Multiple Access (NOMA) Systems},
  author={Md Shipon Ali and Hina Tabassum and Ekram Hossain},
  year={2016},
  eprint={1608.01081},
  archivePrefix={arXiv},
  primaryClass={cs.IT},
  url={https://arxiv.org/abs/1608.01081}
}