RFID Tags as Passive Temperature Sensors

被引：3
|
作者：
Padmal, Madhushanka [1 ]
Rohner, Christian [1 ]
Augustine, Robin [1 ]
Voigt, Thiemo [1 ,2 ]
机构：
[1] Uppsala Univ, Uppsala, Sweden
[2] RISE Comp Sci, Kista, Sweden
来源：
2023 IEEE INTERNATIONAL CONFERENCE ON RFID, RFID | 2023年
基金：
瑞典研究理事会;
关键词：
Passive RFID; Temperature Sensing; RSSI;
D O I：
10.1109/RFID58307.2023.10178523
中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
applications. Non-invasive, item-level temperature sensing methods that require no direct line of sight with the measuring object are attractive. This paper presents such a temperature sensing method using commodity RFID tags with no infrastructure changes. RFID tags are widely deployed for product identification purposes. We explore the possibility of leveraging the RSSI measurements from commodity RFID tags for temperature sensing. Essentially, we model a relationship between the temperature and the relative permittivity of a material in terms of RSSI. Our method can measure temperature in the range of 22 degrees C to 60 degrees C and achieves a measurement accuracy of 2 degrees C with a mean error of 1.5 degrees C.
引用
收藏
页码：48 / 53
页数：6
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