Far-Field Interrogation of Microstrip Patch Antenna for Temperature Sensing Without Electronics

Yao, Jun; Mbanya Tchafa, Franck; Jain, Ankur; Tjuatja, Saibun; Huang, Haiying

doi:10.1109/JSEN.2016.2597739

Title: Far-Field Interrogation of Microstrip Patch Antenna for Temperature Sensing Without Electronics

Journal Article · Tue Aug 02 00:00:00 EDT 2016 · IEEE Sensors Journal

DOI:https://doi.org/10.1109/JSEN.2016.2597739· OSTI ID:1495342

Yao, Jun ^[1]; Mbanya Tchafa, Franck ^[1]; Jain, Ankur ^[1]; Tjuatja, Saibun ^[1];

^[1]

Univ. of Texas at Arlington, Arlington, TX (United States)

Temperature sensing without electronics is demonstrated through wireless interrogation of passive antenna-sensors. The sensor node is equipped with an ultra-wide-band microstrip antenna as the transmitting/receiving (Tx/Rx) antenna and a microstrip patch antenna serving as the temperature-sensing element. A microstrip transmission line connecting the Tx/Rx antenna and the antenna-sensor delays the signal reflected from the sensing element and thus separated it from the background clutter. The operation principle of the wireless sensing scheme is first discussed, followed by the design and simulations of the sensor node circuitry. Furthermore, a digital signal processing algorithm that extracts the antenna resonant frequency from the wirelessly received signal is also described. Temperature tests were conducted to validate the performance of the wireless antenna sensor inside an oven.

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Research Organization:: Univ. of Texas, Arlington, TX (United States)

Sponsoring Organization:: USDOE

Grant/Contract Number:: FE0023118

OSTI ID:: 1495342

Journal Information:: IEEE Sensors Journal, Vol. 16, Issue 19; ISSN 1530-437X

Publisher:: IEEECopyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 42 works

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