@article{shu16tiegloc,
  author = {Shu, Yuanchao and Huang, Yinghua and Zhang, Jiaqi and Cou\'{e}, Philippe and Cheng, Peng and Chen, Jiming and Shin, Kang G.},
  title = {{Gradient-based Fingerprinting for Indoor Localization and Tracking}},
  journal = {IEEE Transactions on Industrial Electronics},
  year={2016}, 
  volume={63}, 
  number={4}, 
  pages={2424-2433},
}