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A miniature energy harvesting rectenna for operating a head-mountable deep brain stimulation device

Hosain, Kamal, Kouzani, Abbas Z., Samad, Fateha and Tye, Susannah J. 2015, A miniature energy harvesting rectenna for operating a head-mountable deep brain stimulation device, IEEE access, vol. 3, pp. 223-234, doi: 10.1109/ACCESS.2015.2414411.

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Title A miniature energy harvesting rectenna for operating a head-mountable deep brain stimulation device
Author(s) Hosain, Kamal
Kouzani, Abbas Z.
Samad, Fateha
Tye, Susannah J.
Journal name IEEE access
Volume number 3
Start page 223
End page 234
Total pages 12
Publisher IEEE
Place of publication Piscataway, N.J.
Publication date 2015
ISSN 2169-3536
Keyword(s) Energy harvesting
Rectenna
Deep brain stimulation
Miniature device
Summary This paper presents design, implementation, and evaluation of a miniature rectenna for energy harvesting applications. The rectenna produces DC power from a distant microwave energy transmitter. The generated DC power is then utilized to operate a head-mountable deep brain stimulation device. The rectenna consists of a miniature three-layer planar inverted-F antenna and a Schottky-diode-based bridge rectifier. The antenna has a volume of π × 6 × 1.584 mm3, a resonance frequency of 915 MHz with a simulated bandwidth of 18 MHz (907-925 MHz), and a measured bandwidth of 18 MHz (910-928 MHz) at the return loss of -10 dB. A dielectric substrate of FR-4 of εr = 4.5 and δ = 0.02 is used for simulation and fabrication of the antenna and the rectifier due to its low cost. An L-section impedance matching circuit is employed between the antenna and the rectifier to reduce the mismatch loss. The impedance matching circuit operates as a low-pass filter eliminating higher order harmonics. A deep brain stimulation device is successfully operated by the rectenna at a distance of 20 cm away from a microwave energy transmitter of power 26.77 dBm. The motivation of this paper includes creation of a deep brain stimulation device that operates indefinitely without a battery. From the application standpoint, the developed energy harvesting rectenna facilitates long-term deep brain stimulation of laboratory animals for preclinical research investigating neurological disorders.
Language eng
DOI 10.1109/ACCESS.2015.2414411
Field of Research 090304 Medical Devices
Socio Economic Objective 861502 Medical Instruments
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2015, IEEE
Free to Read? Yes
Persistent URL http://hdl.handle.net/10536/DRO/DU:30082410

Document type: Journal Article
Collections: School of Engineering
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Every reasonable effort has been made to ensure that permission has been obtained for items included in DRO. If you believe that your rights have been infringed by this repository, please contact drosupport@deakin.edu.au.