TagScan: Simultaneous Target Imaging and Material Identification with Commodity RFID Devices

  title={TagScan: Simultaneous Target Imaging and Material Identification with Commodity RFID Devices},
  author={Ju Wang and Jie Xiong and Xiaojiang Chen and Hongbo Jiang and Rajesh Krishna Balan and Dingyi Fang},
Target imaging and material identification play an important role in many real-life applications. This paper introduces TagScan, a system that can identify the material type and image the horizontal cut of a target simultaneously with cheap commercial off the-shelf (COTS) RFID devices. The key intuition is that different materials and target sizes cause different amounts of phase and RSS (Received Signal Strength) changes when radio frequency (RF) signal penetrates through the target. Multiple… CONTINUE READING
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