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Multi-layer implantable antenna for closed loop deep brain stimulation system

conference contribution
posted on 2012-01-01, 00:00 authored by Md Kamal Hosain, Abbas KouzaniAbbas Kouzani, Susannah Tye
A multi-layer circular planar inverted-F antenna is designed and simulated at the industrial, scientific, and medical (ISM) band of 915 MHz for closed loop deep brain stimulation implant. The ISM band is considered due to the capabilities of small antenna size, high data rate, and long transmission range. In the proposed four-layer antenna, the top three radiating layers are meandered, and a high permittivity substrate and superstrate materials are used to limit the radius and the height of the antenna to 3.5 mm and 2.2 mm, respectively. The bottom layer works as a ground plate. The Roger RO3210 of εr = 10.2 and δ = 0.003 is used as a dielectric substrate and superstrate. The resonance frequency of the proposed antenna is 915 MHz with a bandwidth of 12 MHz at the return loss of -10 dB in free space. The stacked layered structure reduces the antenna size, and the circular shape makes it easily implantable into the human head. The antenna parameters (e.g. 3D gain pattern), SAR value, and electric field distribution within a six layers spherical head model are evaluated by using the finite element method (FEM). The feasibility of the wireless transmission of power, control and command signal to the implant in the human head is also examined. © 2012 IEEE.

History

Event

Communications and Information Technologies. Symposium (12th : 2012 : Gold Coast, Queensland)

Pagination

643 - 648

Publisher

IEEE

Location

Gold Coast, Queensland

Place of publication

Piscataway, N.J.

Start date

2012-10-02

End date

2012-10-05

ISBN-13

9781467311557

ISBN-10

1467311553

Publication classification

E1 Full written paper - refereed

Copyright notice

2012, IEEE

Title of proceedings

ISCIT 2012 : Proceedings of the IEEE International Symposium on Communications and Information Technologies

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