@inproceedings{ni2021simple,
  title={A Simple and Fast Human Activity Recognition System Using Radio Frequency Energy Harvesting},
  author={Ni, Tao and Chen, Yongliang and Song, Keqi and Xu, Weitao},
  booktitle={Adjunct Proceedings of the 2021 ACM International Joint Conference on Pervasive and Ubiquitous Computing and Proceedings of the 2021 ACM International Symposium on Wearable Computers},
  pages={666--671},
  year={2021}
}