@article{ddpgdrivendeepunfoldingwithadaptive,
  title = {DDPG-Driven Deep-Unfolding with Adaptive Depth for Channel Estimation with Sparse Bayesian Learning},
  author = {Qiyu Hu and Shuhan Shi and Yunlong Cai and Guanding Yu},
  year = {2022},
  eprint = {2201.08477},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2201.08477v3},
}