@article{Ng2018J15,
  author = {Kang Eun Jeon and James She and Perm Soonsawad and Pai Chet Ng},
  title = {BLE Beacons for Internet of Things Applications: Survey, Challenges, and Opportunities},
  year = {2018},
  journal = {IEEE Internet of Things Journal},
  volume = {5},
  number = {2},
  pages = {811--828},
  doi = {10.1109/JIOT.2017.2788449},
  url = {https://doi.org/10.1109/JIOT.2017.2788449}
}