WiDeo: Fine-grained Device-free Motion Tracing using RF Backscatter

@inproceedings{Joshi2015WiDeoFD,
  title={WiDeo: Fine-grained Device-free Motion Tracing using RF Backscatter},
  author={Kiran Raj Joshi and Dinesh Bharadia and Manikanta Kotaru and Sachin Katti},
  booktitle={NSDI},
  year={2015}
}
Could we build a motion tracing camera using wireless communication signals as the light source? This paper shows we can, we present the design and implementation of WiDeo, a novel system that enables accurate, high resolution, device free human motion tracing in indoor environments using WiFi signals and compact WiFi radios. The insight behind WiDeo is to mine the backscatter reflections from the environment that WiFi transmissions naturally produce to trace where reflecting objects are… CONTINUE READING

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