@article{grantfreenomaotfsparadigmenabling,
  title = {Grant-Free NOMA-OTFS Paradigm: Enabling Efficient Ubiquitous Access for LEO Satellite Internet-of-Things},
  author = {Zhen Gao and Xingyu Zhou and Jingjing Zhao and Juan Li and Chunli Zhu and Chun Hu and Pei Xiao and Symeon Chatzinotas and Derrick Wing Kwan Ng and Bjorn Ottersten},
  year = {2022},
  eprint = {2209.12159},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2209.12159v2},
}