RFID antenna humidity sensor co-design for USN applications

نویسندگان

  • Yasar Amin
  • Yi Feng
  • Qiang Chen
  • Li-Rong Zheng
  • Hannu Tenhunen
چکیده

We demonstrate for the first time an RFID tag antenna which itself is humidity sensor and also provides calibration functionality. The antenna is comprised of T-matching network and horizontally meandered lines for impedance matching and reliable near-field communication. The novel contour design provides humidity sensing, and calibration functions whilst concurrently acts as a radiating element along with quadrangular capacitive tip-loading with covered middle portion for far-field communication. The inkjet printed prototypes of the antenna provide effective ambient humidity sensing while demonstrating stable RFID communication. The antenna has a compact size of 1.1 × 10.2 cm for 902–928MHz band.

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عنوان ژورنال:
  • IEICE Electronic Express

دوره 10  شماره 

صفحات  -

تاریخ انتشار 2013