Frogeye: Perception of the slightest tag motion

@article{Yang2014FrogeyePO,
  title={Frogeye: Perception of the slightest tag motion},
  author={Lei Yang and Yong Qi and Jianbing Fang and Xuan Ding and Tianci Liu and Mo Li},
  journal={IEEE INFOCOM 2014 - IEEE Conference on Computer Communications},
  year={2014},
  pages={2670-2678}
}
Existing methods in RFID systems often employ presence or absence fashion to detect the tags' motions, so they cannot meet motion detection requirement in many applications. Our recent observations suggest that the signal strength backscattered from the tag is hypersensitive to its position, inspiring us to perceive the tag motion through its radio signal strength changes. Motion perception is not trivial and challenged by weak stability of strength in that any other interference or noise may… CONTINUE READING
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