RFID Enabled Chipless Humidity Sensor

Authors

  • N. Javed University of Engineering and Technology Taxila, Pakistan
  • A. Habib University of Engineering and Technology Taxila, Pakistan
  • T. Noor University of Engineering and Technology Taxila, Pakistan
  • Y. Amin University of Engineering and Technology Taxila, Pakistan iPack VINN Excellence Center, Royal Institute of Technology (KTH) Isafjordsgatn 39, Stockholm, Sweden
  • H. Tenhunen iPack VINN Excellence Center, Royal Institute of Technology (KTH) Isafjordsgatn 39, Stockholm, Sweden TUCS, Department of Information Technology, University of Turku, Finland

Abstract

This paper presents a conformable 9-bit chipless radio frequency identification (RFID) humidity sensor,
with an overall diameter of 12.4 mm. The semi-circle shaped tag is operating within a frequency band of
6-16 GHz. The tag structure is based on Taconic TLX-0 (substrate), copper (radiator) and a thin
KaptonHN sheet (superstrate). The KaptonHN sheet is deployed over the innermost slot to obtain the
sensing response from the respective resonant slot. A comparative analysis is derived by analyzing the
tag design for Rogers RT/5880, Taconic TLX-0 and FR4 substrates, to observe the quality of resonant
dips. Linearly polarized plane waves are used for excitation of the tag. A simple tag composition enables
easy printability feature without requiring highly precise printing devices. This proposed tag can be
utilized in many areas including pharmaceutical industries, beverage items, agriculture and in various
low-cost RFID sensing applications.

Author Biography

N. Javed, University of Engineering and Technology Taxila, Pakistan

Ph.D reserach scholar

Telecommunication Engineering Department

References

References

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Published

18-06-2019

How to Cite

[1]
N. Javed, A. Habib, T. Noor, Y. Amin, and H. Tenhunen, “RFID Enabled Chipless Humidity Sensor”, The Nucleus, vol. 56, no. 1, pp. 27–30, Jun. 2019.

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