@article{chen2023energy,
  title={Energy-efficient cell-free massive {MIMO} through sparse large-scale fading processing},
  author={Chen, Shuaifei and Zhang, Jiayi and Bj{\"o}rnson, Emil and Demir, {\"O}zlem Tu{\u{g}}fe and Ai, Bo},
  journal={IEEE Trans. Wireless Commun.},
  volume={22},
  number={12},
  pages={9374--9389},
  year={2023},
  month={Dec.},
  publisher={IEEE}
}