@inproceedings{chen12secon,
  author = {Liangying Chen and Yu Gu and Shuo Guo and Tian He and Yuanchao Shu and Fan Zhang and Jiming Chen},
  title = {{Group-based Discovery in Low-duty-cycle Mobile Sensor Networks}},
  booktitle = {IEEE International Conference on Sensing, Communication, and Networking (SECON)},
  year = {2012}
}