Inductively Coupled Split Ring Resonator as Small RFID Pressure Sensor for Biomedical Applications

Ma, Shubin; Ukkonen, Leena; Sydanheimo, Lauri; Bjorninen, Toni (2020-07)
 
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Ma, Shubin
Ukkonen, Leena
Sydanheimo, Lauri
Bjorninen, Toni
IEEE
07 / 2020


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doi:10.1109/IEEECONF35879.2020.9329731
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https://urn.fi/URN:NBN:fi:tuni-202302102282

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Peer reviewed
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We present an inductively coupled split-ring resonator based small passive RFID pressure sensor for wireless intracranial pressure measurement. The proposed sensor has a volume as small as π×(4 mm) 2 ×1 mm. In the simulation, the proposed sensor can provide nearly 1 m operation distance when implanted in the intracranial environment. In our preliminary measurement in the air, the sensor has a resolution of 3 cmH2O.
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