@article{enhancedelmbasedchannelestimationforris,
  title = {Enhanced ELM Based Channel Estimation for RIS-Assisted OFDM systems with Insufficient CP and Imperfect Hardware},
  author = {Chaojin Qing and Li Wang and Lei Dong and Jiafan Wang},
  year = {2021},
  eprint = {2110.13433},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2110.13433v1},
}