@article{newtrendsinindoorpositioningbasedon,
  title = {New trends in indoor positioning based on WiFi and machine learning: A systematic review},
  author = {Vladimir Bellavista-Parent and Joaquín Torres-Sospedra and Antoni Perez-Navarro},
  year = {2021},
  eprint = {2107.14356},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2107.14356v1},
}