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Split Ring Resonator Inspired Passive UHF RFID Antenna System For Wireless Intra-Abdominal Pressure Sensor

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EMBEC & NBC 2017 (EMBEC 2017, NBC 2017)

Abstract

We present a passive UHF RFID tag based on a spatially distributed split ring resonator antenna system. The physically separated parts of the tag form a remotely detectable platform, which can be partly implantable and partly wearable. This is the first stage in our research toward a RFID-inspired wireless intra-abdominal pressure sensor. The tag consists of a wearable split ring and a small implanted split ring resonator carrying the RFID microsystem. In our experiments, the tag is detectable at a distance of 1 m with a 10 mm implant depth and 0.3 m with a 30 mm implant depth. Our results also show that the tag tolerates a rotational misalignment up to 45° between the implanted and wearable parts without severe performance deterioration.

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Correspondence to Shubin Ma .

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Ma, S., Sydänheimo, L., Ukkonen, L., Björninen, T. (2018). Split Ring Resonator Inspired Passive UHF RFID Antenna System For Wireless Intra-Abdominal Pressure Sensor. In: Eskola, H., Väisänen, O., Viik, J., Hyttinen, J. (eds) EMBEC & NBC 2017. EMBEC NBC 2017 2017. IFMBE Proceedings, vol 65. Springer, Singapore. https://doi.org/10.1007/978-981-10-5122-7_237

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  • DOI: https://doi.org/10.1007/978-981-10-5122-7_237

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  • Publisher Name: Springer, Singapore

  • Print ISBN: 978-981-10-5121-0

  • Online ISBN: 978-981-10-5122-7

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