@inproceedings{chen2021wireless,
  title={Wireless caching: Cell-free versus small cells},
  author={Chen, Shuaifei and Zhang, Jiayi and Bj{\"o}rnson, Emil and Wang, Shuai and Xing, Chengwen and Ai, Bo},
  booktitle={Proc. IEEE ICC'21},
  pages={1--6},
  year={Montreal, QC, Canada, June 2021}
}