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Passive Wireless Sensor Platform Utilizing a Mechanical Resonator

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3 Author(s)
Viikari, V. ; Sch. of Electr. Eng., Aalto Univ., Espoo, Finland ; Song, J. ; Seppa, H.

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.

Published in:

Sensors Journal, IEEE  (Volume:13 ,  Issue: 4 )