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- Title
Robustness Evaluation of Split Ring Resonator Antenna System for Wireless Brain Care in Semi-Anatomical Ellipsoid Head Model.
- Authors
Ma, Shubin; Ukkonen, Leena; Sydänheimo, Lauri; Björninen, Toni
- Abstract
Robustness evaluation is a critical part to verify the applicability of wireless implantable devices. In this work, we present a semi-anatomical ellipsoid head model to evaluate the robustness of a split ring resonator inspired antenna system toward variable implant location, tissue layer thicknesses, and antenna orientation with respect to the human head. The system consists of a passive wearable part placed on the scalp and a cortical implant that carries a passive UHF RFID microsystem. According to our results, the antenna system is robust toward variability: it enables the remote powering of a -18 dBm RFID microsystem at distance between 0.5 and 1.1 meter at various locations and orientations with respect to the head and for skull thickness up to 1 cm.
- Subjects
RADIO resonators; ANTENNA arrays; ELLIPSOIDS; ANTENNAS (Electronics); WIRELESS communications
- Publication
Applied Computational Electromagnetics Society Journal, 2018, Vol 33, Issue 9, p966
- ISSN
1054-4887
- Publication type
Article