期刊
IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT
卷 60, 期 8, 页码 2768-2777出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TIM.2011.2130070
关键词
Inkjet; radio-frequency identification (RFIF); relative humidity (RH); sensor
资金
- Finnish Funding Agency for Technology and Innovation (TEKES)
- Academy of Finland
- Centennial Foundation of Finnish Technology Industries
This paper presents a novel inkjet-printed humidity sensor tag for passive radio-frequency identification (RFID) systems operating at ultrahigh frequencies (UHFs). During recent years, various humidity sensors have been developed by researchers around the world for HF and UHF RFID systems. However, to our best knowledge, the humidity sensor presented in this paper is one of the first passive UHF RFID humidity sensor tags fabricated using inkjet technology. This paper describes the structure and operation principle of the sensor tag as well as discusses the method of performing humidity measurements in practice. Furthermore, measurement results are presented, which include air humidity-sensitivity characterization and tag identification performance measurements.
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