Ramy Gerguis

Performed RF Measurements: • Error Vector Magnitude for different 3GPP 5G FR2 test models using a signal and spectrum analyzer, and a signal generator • Gain pattern and radiation efficiency of passive antennas using the Near-field to Far-field transformation Performed troubleshooting of the control unit of the Plane Wave Converter for 5G massive MIMO base station testing

Developed a dual-polarized broadband feed antenna for the Compact Antenna Test Range (CATR) for 5G NR applications • Utilized CST electromagnetic simulator and MATLAB for post-processing • Performed Quiet Zone uniformity measurements • Ran validation and verification checks • Planned the feed antenna to be a product and presented it at the Antenna Measurement Techniques Association (AMTA) conference

• Created a CATR system simulation using the Asymptotic solver in CST • Optimized antenna design and configuration settings with high accuracy • Performed RF alignments in the CATR system for antenna measurements • Conducted S-parameters, VSWR, and port signal measurements using a Vector Network Analyzer • Measured Radar Cross-Section, time-domain standing wave signals, and path loss for antennas in the CATR system

• Conducted a literature review and the state-of-the-art of broadband dual-polarized feed antenna • Prepared time-domain solver and mesh settings in CST for antenna simulations • Performed parameter sweeping to enhance the simulation results of the initial antenna design

Developed a metamaterial-based absorber to reduce Global Navigation Satellite System (GNSS) multipath interference for satellite navigation system applications • Utilized HFSS electromagnetic simulator • Fabricated and produced a prototype using KiCAD • Measured absorber performance in anechoic chamber (Starlab by MVG) • Published two papers in the 17th European Conference on Antennas and Propagation (EuCAP) with and IEEE Transactions on Aerospace and Electronic Systems

Designed a CubeSat antenna for satellite communications • Used machine learning for design optimization • Published a paper in Springer Designed a nanosatellite high-frequency antenna for remote sensing applications

High Frequency / Communication Systems / Satellite NavigationMaster of Science in Communications and Electronics Engineering, High Frequency / Communication Systems / Satellite Navigation Thesis: ‘Development of Broadband Feed Antenna for Compact Antenna Test Range’ in collaboration with Rohde & Schwarz collaboration Grade: 1.8 passed with merit

Grade: Grade: 3.69/4.0 passed with honors (1.3 German grading system) Thesis: ‘Machine Learning Based Antenna Design for CubeSat’ in collaboration with the Egyptian Space AgencyThesis: ‘Machine Learning Based Antenna Design for CubeSat’ in collaboration with the Egyptian Space Agency