@article{zeng2014novel,
  title={A novel MIMO DoF model for multi-hop networks},
  author={Zeng, Huacheng and Shi, Yi and Hou, Y Thomas and Zhu, Rongbo and Lou, Wenjing},
  journal={IEEE Network},
  volume={28},
  number={5},
  pages={81--85},
  year={2014},
  publisher={IEEE}
}