Electrical Engineering Engineer

Shaya Karimkashi

Department of Electrical Engineering

University of Mississippi,

P.O. Box 5350, University, MS 38677

Phone: 662-***-****

Email: ********@*******.***

Education

Aug. 2007-now Ph.D., Electrical Engineering, Majoring in Electromagnetics.

(University of Mississippi, MS)--Under supervision of Dr.

Ahmed A. Kishk.

Aug. 2003-May

2006 M.Sc., Electrical Engineering, Majoring in Communications and

Electromagnetics.

(University of Tehran, Tehran, Iran)

Aug. 1998-May

2003 B.Sc., Electrical Engineering, Majoring in Communications.

(K. N. Toosi University of Technology, Tehran, Iran)

Skills Extensive knowledge in:

Design different antenna systems, including Mobile antennas,

low profile microstrip antennas, Multi-band antennas, arrays,

horns, lens and reflectors.

RF and passive microwave circuits Design and modeling.

Commercial softwares including HFSS, FEKO, CST Microwave

Studio, WIPL-D, and IE3D.

Antenna and RCS measurements using near field measurement

system (NSI) and far field anechoic chamber.

HP8510 and Agilent PNA-X network analyzers.

Antenna fabrication using different milling-machines.

Programming using MATLAB, C and FORTRAN.

Optimization methods in electromagnetics.

Accomplished Ph.D. projects

Projects and

Experiences

Designed, fabricated and measured several miniaturized planar

inverted F (PIFA) MIMO antennas for Mobile Applications.

Measured radar cross section (RCS) of MIMO antennas at the

frequency of 2.4 GHZ.

Measured dielectric and conductive materials using the

waveguide method for EMC applications.

Designed, fabricated and measured a focused Microstrip patch

array antenna for medical applications.

Designed, fabricated and measured a Fresnel zone plate lens

antenna for the near-field focusing applications.

Senior Antenna Engineer in B.T.F. Company for 3 years

Designed, fabricated and measured a planar inverted F antenna

(PIFA) in

2.45 GHz frequency band to be used for mobile applications.

Designed, fabricated and measured a dual-band U-slot patch

antenna for Wi-Fi applications

Designed, fabricated and measured a wide-band fan-beam

reflector antenna with a

2-18 GHz ridged horn feed.

Designed an internal diversity antenna system for laptop

computers.

Designed, fabricated and measured a spiral antenna for the

frequency range of 2-18 GHz.

Academic Designed and modeled (IE3D) a miniaturized Rat Race coupler.

Projects Designed and simulated (HFSS) a dielectric resonators

band-pass filter at 18 GHz.

Designed and simulated (FEKO) a dielectric horn antennas at

10GHz.

Designed and modeled (CST) a high gain dipole antenna using

Metamaterials.

Designed and modeled (MATLAB) antenna arrays using

optimization methods.

Designed and modeled (MATLAB) thinned array antennas using a

new optimization strategy.

Design and modeled (CST and FEKO) a time domain focused array

antenna using LCR antennas.

Modeled (MATLAB) capacitive patches and inductive wire grids

on sides of a dielectric slab.

Modeled (MATLAB) a bipolar junction transistor using FDTD.

Modeled mobile networks through mobile IP and mobile IP with

route optimization.

Some studies about IP over WDM in optical fiber

communications.

Infinitesimal dipole antenna applications for computational

Electromagnetics (using MATLAB, WIPL-D and FEKO).

Designed, laid out and measured a coder and decoder for BCH

coding.

Activities and A member of Phi Kappa Phi honor society.

Honors

A member of Sigma Xi honor society.

Journal [1] S. Karimkashi, A. A. Kishk, and D. Kajfez, "MIMO antenna

Publications system optimization using dipole models," Submitted to IEEE

Trans. Antennas Propag., 2010.

[2] S. Karimkashi, and A. A. Kishk, "Invasive weed

optimization and its features

in electromagnetics," IEEE Trans. Antennas Propag., vol. 58,

no. 4, pp. 1269-1278, Apr. 2010.

[3] S. Karimkashi, and A. A. Kishk, "Focusing properties of

Fresnel zone lens antennas in the radiation near-field

region," Submitted to IEEE Trans. Antennas Propag., 2010.

[4] S. Karimkashi, and A. A. Kishk, "Focused microstrip array

antenna using a Dolph-Chebyshev near-field design," IEEE

Trans. Antennas Propag., vol. 57, no 12, pp. 3813-3820, Dec.

2009.

[5] S. Karimkashi, D. Kajfez, A. A. Kishk, and S. Vaidya,

"Microwave conductivity measurement of carbon veil by two

different methods," Microwave and Optical Tech. Letters, vol.

51, no. 10, pp. 2435-2438, October 2009.

[6] S. Karimkashi, and J. Rashed-Mohassel, "Blockage

minimization in symmetric dual-reflector antennas for

different edge taper values," J. of Electromagn. Waves and

Appl., vol. 20, no. 4, pp. 505-514, 2006.

Conference

Publications [7] S. Karimkashi, and J. Rashed-Mohassel, "Sidelobe level

reduction in symmetric dual-reflector antennas using a small

lens antenna," J. of Electromagn. Waves and Appl., vol. 20,

no. 13, pp. 1807-1816, 2006.

[1] S. Karimkashi, A. A. Kishk, and D. Kajfez, "MIMO antenna

system optimization for mobile applications using equivalent

infinitesimal dipoles," IEEE Antennas and Propagation Society

International Symposium, 11-17 July 2010, Toronto, Canada.

[2] S. Karimkashi, A. A. Kishk, "Antenna array synthesis

using Invasive weed optimization: A new optimization

technique in electromagnetics," IEEE Antennas and Propagation

Society International Symposium, 1-5 Jun. 2009, Charleston,

South Carolina.

[3] S. Karimkashi, A. A. Kishk, "Near field focused

microstrip array with a Dolph-Chebyshev design," URSI

National Radio Science Meeting, 5-8 Jan. 2009, Boulder,

Colorado.

[4] S. Karimkashi, A. A. Kishk, "A new Fresnel zone antenna

with beam focused in the Fresnel region," URSI National Radio

Science Meeting, 7-16 Aug. 2008, Chicago, Illinois.

[5] S. Karimkashi, A. Mallahzadeh, and J.Rashed-Mohassel, "A

new shaped reflector antenna for wide beam radiation

patterns," IEEE International Symposium on Microwave,

Antenna, Propagation and EMC Technologies for Wireless

Communications, pp. 535-538, 14-17 Aug. 2007, Hangzhou,

China.

[6] S. Karimkashi, and J. Rashed-Mohassel, "Side lobe

reduction in symmetric dual-reflector antennas using a small

lens antenna," IEEE International Symposium on Microwave,

Antenna, Propagation and EMC Technologies for Wireless

Communications, pp.703-705, 14-17 Aug. 2007, Hangzhou, China.

[7] R. Pazoki, A. Mallahzadeh, and S. Karimkashi, "A new UWB

skeletal antenna for EMC applications," IEEE International

Symposium on Microwave, Antenna, Propagation and EMC

Technologies for Wireless Communications, pp. 543-546, 14-17

Aug. 2007, Hangzhou, China.

[8] S. Karimkashi, and J. Rashed-Mohassel, "Minimization of

blockage in axially symmetric dual-reflector antennas," Asia

Pacific Microwave Conference, APMC, pp. 2263-2265, 4-7 Dec.

2005, Suzhou, China.

[9] S. Karimkashi, and J. Rashed-Mohassel, "Efficiency

improvement in symmetric dual-reflector antennas by feed

optimization and blockage minimization," The 13th Conference

on Microwave Techniques, COMITE, 26-28 Sept. 2005, Prague,

Czech Republic.

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