@article{optimizationdrivenhierarchicallearning,
  title = {Optimization-driven Hierarchical Learning Framework for Wireless Powered Backscatter-aided Relay Communications},
  author = {Shimin Gong and Yuze Zou and Jing Xu and Dinh Thai Hoang and Bin Lyu and Dusit Niyato},
  year = {2020},
  eprint = {2008.01366},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2008.01366v1},
}