Zahra Mousavirazi

Accomplished RF and Antenna Systems designer/researcher with substantial expertise in wireless communications, microwave, and millimeter-wave technology.

Extensive background in Radio (Microwave and RF) circuit design, simulations, measurements, tests, and troubleshooting consistently yields successful project outcomes.

Comprehensive understanding of industry standards, along with a dedicated commitment to collaborative teamwork, establishes a valuable contribution in this specialized field.

• Writing a review paper on Ridge Gap Waveguide and its Application For Beam Switching Networks dge gap
• Working on millimeter-wave radio design, especially at 28 GHz (teamwork): a survey on mm-wave technologies, investigating various techniques and challenges in the design and implementation of building blocks of mm-wave beamforming networks (LNA, Antennas, Six-port, Phase shifters, Switches, Mixer, LO, ADC, and so forth) and mm-wave antennas with beamforming capability
• Working on high gain and CP antennas based on Printed Ridge Gap Waveguide (PRGW) technology at 28 GHz for 5G applications
• ( G=20dBi, BW= 6%)
• Working on Beam-Steering antennas based on Butler matrix feed network
• Design and simulation of a 2-D scanning magnetoelectric dipole antenna array fed by PRGW Butler matrix at 30 GHz
• (Peak Gain=10dBi, Bw=12%)
• Design and fabrication of microstrip filters, couplers, phase shifters, and power dividers in mm-wave frequency as Butler Matrix components using PRGW technology
• Design and Fabrication a novel beam-steering array antenna using an innovative broadband Butler matrix feed network and a 1×4 aperture coupled zeroth-order resonance (ZOR) Array elements at 32 GHz
• ( Peak Gain=12dBi, BW= 11.5%) (Supported by Porsoo Electronic Company)
• Design and Fabrication of an array antenna with modified Butler Matrix feeding at 5.5 GHz
• The designed Butler matrix includes two 45-degree broadband novel phase shifters and four 90-degree patch couplers
• That covers a frequency range between 4.7 to 6.2 GHz with ±5-degree phase error
• (Peak Gain=14.98dBi, BW=26%, ARBW=21% ) (Supported by Porsoo Electronic Company)
• Design and Fabrication of broadband circularly polarized (CP) antenna fed by Butler matrix and substrate integrated waveguide (SIW) antenna elements for beam-steering applications at 10GHz
• (Peak Gain=14dBi, BW=18%, ARBW= 8%) (Supported by Porsoo Electronic Company)
• Design and Fabrication of novel broadband circularly polarized (CP) multiple-input
• Multiple-output (MIMO) antenna array designed for C-band applications
• (Peak Gain=10dBi, BW=85%, ARBW=46%) (Supported by Porsoo Electronic Company)
• Design and Fabrication of Microstrip Filters, Couplers, phase shifters, and Power Dividers in S and X bands
• Design and Fabrication a single layer reconfigurable CP antenna using Coplanar waveguide (CPW) and two at 5.5 GHz
• The designed single element with compact size and two L-shaped stub switched between RHCP and LHCP by microwave PIN diodes
• (G=4.5dBi, BW=56%, ARBW=30.6%) (Supported by Porsoo Electronic Company)
• Design and Fabrication of a new design of a broadband high gain circularly polarised slot array antenna (CPSSAA)
• The designed antenna was fed by a symmetric hybrid coupler for C-band application
• (G=12.45dBi, BW=54%, ARBW=22%) (Supported by Porsoo Electronic Company)
• Innovative design of metamaterial superstrate in Fabry Perot antenna in order to increase the bandwidth & gain
• Design and simulation of various metamaterial unit cells such as SRR, OMEGA, S,…
• Studying numerical methods in designing metamaterial unit cells and creating MATLAB codes for metamaterial unit cells using the Nicolson Ross Weir method
• Experience in neural networks and studying various methods like fuzzy, Backpropagation algorithms,…
• Experience in AVR microcontrollers and accomplishment of several projects for Hamedan Terans company
• Designing a feeding source with the capability of voltage and current change for Hamedan Terans company

• EDA Tools: Modelsim, MATLAB (M-file programming, Simulink, etc.), Simulink, CodeVision. • Programming Languages: C/C++