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Miniaturized Implantable Patch Antenna for Near- Field Communication at ISM Band

Felício, J.F. ; Fernandes, C. A. ; Costa, J.R.

Miniaturized Implantable Patch Antenna for Near- Field Communication at ISM Band, Proc IEEE International Symp. on Antennas and Propagation - IEEE AP-S/USNC-URSI, San Diego, United States, Vol. -, pp. 1 - 2, July, 2017.

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Abstract
We present an implantable patch antenna designed for near-field communication with an external repeater device. The geometry is composed of a X-slot and four T-slots that increase the electric-length, thus miniaturizing the antenna, achieving a diameter of just 8 mm (0.064λ0) for an antenna operation at 2.4 GHz. Moreover, the input reflection coefficient exhibits robust performance for different implantation depths. Lastly, we calculate a maximum input power imposed by Specific Absorption Rate regulation, according to Federal Communications Commission (FCC) and International Commission
on Non-Ionizing Radiation Protection (ICNIRP).