@article{energyefficiencyoptimizationfor1,
  title = {Energy Efficiency Optimization for Subterranean LoRaWAN Using A Reinforcement Learning Approach: A Direct-to-Satellite Scenario},
  author = {Kaiqiang Lin and Muhammad Asad Ullah and Hirley Alves and Konstantin Mikhaylov and Tong Hao},
  year = {2023},
  eprint = {2311.01743},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2311.01743v1},
}