Design of a hemispherical antenna array for magnetic field control in the brain

Author

Safar, Mohammad ; Newcomb, Robert W.

Author_Institution

Dept. of Electr. & Comput. Eng., Univ. of Maryland, College Park, MD, USA

fYear

2011

fDate

7-8 April 2011

Firstpage

131

Lastpage

134

Abstract

A hemispherical antenna array consisting of 42 elements operating at a frequency of 1.8 GHz was proposed and simulated. The array elements are distributed on a hemisphere to be placed on a human´s head. By considering the problem as a boundary valued problem and finding the electric and magnetic field inside the brain, a beamforming technique was used that made use of the orthogonality property of the transverse electric and transverse magnetic fields in producing a delta like function beampattern in order to direct the magnetic field to the area of interest within the brain to cause magnetic deep brain stimulation.

Keywords

antenna arrays; boundary-value problems; brain; digital simulation; diseases; medical computing; medical disorders; transcranial magnetic stimulation; Parkinson disease; beamforming; boundary valued problem; brain; delta like function; head; hemispherical antenna array; magnetic deep brain stimulation; magnetic field control; orthogonality property; transverse electric field; transverse magnetic field; Antennas; Array signal processing; Arrays; Equations; Magnetic fields; Magnetic heads; Mathematical model; Beamforming; Boundary valued problem (BVP); Deep brain stimulation (DBS); Hemispherical array; Magnetic intensity; Parkinson´s disease (PD);

fLanguage

English

Publisher

ieee

Conference_Titel

Life Science Systems and Applications Workshop (LiSSA), 2011 IEEE/NIH

Conference_Location

Bethesda, MD

Print_ISBN

978-1-4577-0421-5

Type

conf

DOI

10.1109/LISSA.2011.5754176

Filename

5754176