Why is fingerprint-based indoor localization still so hard?

Brieuc Viel, Mikael Asplund. Why is fingerprint-based indoor localization still so hard?. In 2014 IEEE International Conference on Pervasive Computing and Communication Workshops, PerCom 2014 Workshops, Budapest, Hungary, March 24-28, 2014. pages 443-448, IEEE, 2014. [doi]

@inproceedings{VielA14,
  title = {Why is fingerprint-based indoor localization still so hard?},
  author = {Brieuc Viel and Mikael Asplund},
  year = {2014},
  doi = {10.1109/PerComW.2014.6815247},
  url = {http://dx.doi.org/10.1109/PerComW.2014.6815247},
  researchr = {https://researchr.org/publication/VielA14},
  cites = {0},
  citedby = {0},
  pages = {443-448},
  booktitle = {2014 IEEE International Conference on Pervasive Computing and Communication Workshops, PerCom 2014 Workshops, Budapest, Hungary, March 24-28, 2014},
  publisher = {IEEE},
}