Target material identification with commodity RFID devices

Target material identification with commodity RFID devices

Target material identification plays an important role in many reallife applications. This paper introduces a system that can identify the material type with cheap commercial off-the-shelf (COTS) RFID devices. The key intuition is that different materials cause different amounts of phase and RSS (Re...

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Bibliographic Details
Main Authors: LI, Xinyi, FENG, Chao, DING, Nana, WANG, Ju, XIONG, Jie, REN, Yuhui, CHEN, Xiaojiang, FANG, Dingyi
Format: text
Language:English
Published: Institutional Knowledge at Singapore Management University 2017
Subjects:
Commercial off-the shelves
Material identification
Material types
Radiofrequency signals
Real world environments
Software Engineering
Online Access:https://ink.library.smu.edu.sg/sis_research/4397
https://ink.library.smu.edu.sg/context/sis_research/article/5400/viewcontent/p25_li.pdf
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Institution: Singapore Management University
Language: English
Description
Summary:Target material identification plays an important role in many reallife applications. This paper introduces a system that can identify the material type with cheap commercial off-the-shelf (COTS) RFID devices. The key intuition is that different materials cause different amounts of phase and RSS (Received Signal Strength) changes when radio frequency (RF) signal penetrates through the target. However, without knowing either material type, trying to obtain the information is challenging. We propose a method to address this challenge and evaluate the method's performance in real-world environment. The results show that we achieve higher than 94% material identification accuracies for 10 liquids and differentiate even very similar objects such as Coke and Pepsi.

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