@incollection{yuan2019mimo,
  title={MIMO-empowered secondary networks for efficient spectrum sharing},
  author={Yuan, Xu and Gao, Cunhao and Tian, Feng and Shi, Yi and Hou, Y Thomas and Lou, Wenjing and Trappe, Wade and Midkiff, Scott F and Reed, Jeffrey H and Kompella, Sastry},
  booktitle={Handbook of Cognitive Radio},
  pages={989--1020},
  year={2019},
  publisher={Springer Singapore}
}