Development of a low cost printable chipless RFID humidity sensor

Emran Md Amin, Md Shakil Bhuiyan, Nemai C. Karmakar, Bjorn Winther Jensen

Research output: Contribution to journalArticle

58 Citations (Scopus)

Abstract

A novel low-cost chipless radio frequency identification tag sensor is presented. The tag sensor provides identification data as well as monitors relative humidity (RH) of tagged objects. The tag sensor is made of passive microwave circuit that uses humidity sensitive polymer material for RH sensing. The aim of this paper is to investigate RF sensing properties of moisture absorbing polymer polyvinyl alcohol at microwave frequency. In addition, frequency shifting technique is used to encode data bits for high data capacity. The overall size of the proposed tag sensor is 15 mm ×6.8 mm and has 6 bit data capacity for ID generation and single bit for humidity sensing. Results presented here show ∼607 MHz frequency deviation for 50% RH increase. The tag sensor has potential to be printed on flexible laminates such as plastic and paper for ultra-low cost item level tagging and ubiquitous sensing.

Original languageEnglish
Article number6579628
Pages (from-to)140-149
Number of pages10
JournalIEEE Sensors Journal
Volume14
Issue number1
DOIs
Publication statusPublished - 2014
Externally publishedYes

Fingerprint

Humidity sensors
Radio frequency identification (RFID)
humidity
Atmospheric humidity
sensors
Sensors
Costs
Passive networks
Microwave circuits
microwave circuits
polyvinyl alcohol
Polyvinyl alcohols
Microwave frequencies
polymers
Polymers
microwave frequencies
moisture
laminates
marking
Laminates

Keywords

  • Chipless RFID
  • Humidity
  • Sensor
  • Tag

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Instrumentation

Cite this

Development of a low cost printable chipless RFID humidity sensor. / Amin, Emran Md; Bhuiyan, Md Shakil; Karmakar, Nemai C.; Winther Jensen, Bjorn.

In: IEEE Sensors Journal, Vol. 14, No. 1, 6579628, 2014, p. 140-149.

Research output: Contribution to journalArticle

Amin, Emran Md ; Bhuiyan, Md Shakil ; Karmakar, Nemai C. ; Winther Jensen, Bjorn. / Development of a low cost printable chipless RFID humidity sensor. In: IEEE Sensors Journal. 2014 ; Vol. 14, No. 1. pp. 140-149.
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