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Title: Differentially fed dual-band implantable antenna for biomedical applications
Authors: Duan, Z.
Guo, Y.-X. 
Xue, R.-F.
Je, M.
Kwong, D.-L. 
Keywords: Communication link
differential feeding
dual-band antennas
implanted antennas
link margin
specific absorption rate (SAR)
Issue Date: 2012
Citation: Duan, Z., Guo, Y.-X., Xue, R.-F., Je, M., Kwong, D.-L. (2012). Differentially fed dual-band implantable antenna for biomedical applications. IEEE Transactions on Antennas and Propagation 60 (12) : 5587-5595. ScholarBank@NUS Repository.
Abstract: A novel differentially fed dual-band implantable antenna is proposed for the first time for a fully implantable neuro-microsystem. The antenna operates at two center frequencies of 433.9 MHz and 542.4 MHz, which are close to the 402-405 MHz medical implant communication services (MICS) band, to support sub-GHz wideband communication for high-data rate implantable neural recording application. The size of the antenna is 480.06 mm 3 (27 mm× 14 mm× 1.27 mm). The simulated and measured bandwidths are 7.3% and 7.9% at the first resonant frequency, 5.4% and 6.4% at the second resonant frequency. The specific absorption rate (SAR) distribution induced by the implantable antenna inside a tissue-mimicking solution is evaluated. The performance of the communication link between the implanted antenna and external half-wavelength dual-band dipole is also examined. © 2012 IEEE.
Source Title: IEEE Transactions on Antennas and Propagation
ISSN: 0018926X
DOI: 10.1109/TAP.2012.2209197
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