Passive Wireless Sensor Platform Utilizing a Mechanical Resonator

This paper presents a new passive wireless sensor platform on the basis of the intermodulation communication principle. The platform utilizes a quartz crystal or other mechanical resonator and it enables a narrow bandwidth and ID-code to the sensor. A previously presented theory for predicting the i...

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Bibliographic Details
Published in:IEEE sensors journal 2013-04, Vol.13 (4), p.1180-1186
Main Authors: Viikari, V., Song, J., Seppa, H.
Format: Article
Language:English
Subjects:
Antennas
Capacitance
Crystals
Impedance
Junctions
Mixers
Prototypes
Radio frequency identification (RFID)
Resonant frequency
wireless sensors
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Summary:This paper presents a new passive wireless sensor platform on the basis of the intermodulation communication principle. The platform utilizes a quartz crystal or other mechanical resonator and it enables a narrow bandwidth and ID-code to the sensor. A previously presented theory for predicting the intermodulation response of the sensor is elaborated and verified by a simulation. The concept is experimentally demonstrated at 1.2 GHz.
ISSN:1530-437X
1558-1748
DOI:10.1109/JSEN.2012.2231407