@inproceedings{shi17sensys,
  author = {Zhuoying Shi and Zhengyong Zhang and Yuanchao Shu and Peng Cheng and Jiming Chen},
  title = {{Demo: Indoor Navigation Leveraging Gradient WiFi Signals}},
  booktitle = {ACM Conference on Embedded Networked Sensor Systems (SenSys)},
  year = {2017}
}