@article{whenrismeetsgeosatellitecommunicationsa,
  title = {When RIS Meets GEO Satellite Communications: A New Sustainable Optimization Framework in 6G},
  author = {Wali Ullah Khan and Eva Lagunas and Asad Mahmood and Symeon Chatzinotas and Bjorn Ottersten},
  year = {2022},
  eprint = {2202.00497},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2202.00497v2},
}