Dr. Maysam Ibraheam

Radar | SDR | RF | Antennas | FMCW | PMCW | SAR | System Design | Signal Processing. Design of FMCW and PMCW based radar systems for ground penetrating, involving system design, RF and antenna development, SDR, SAR, and signal processing.

IOT | System Architect | RF | Antenna | Telecommunications | Circuit Design | Embedded | Sensor Design | Team Management. We developed IOT solutions to monitor the integrity of infrastructure and empower the management of construction projects with real time data of the measured objects, such as temperature, humidity, compressive strength, pH, corrosion. I was responsible for managing the engineering teams and running the development and production operations, including: • Sensor design (temperature, humidity, moisture, pH, corrosion and other sensors). • The design of the IOT devices, including HW, RF, Antennas, and the Mechanical Design. • The design and optimization of the networking algorithms and embedded SW. • Data analysis. • Managing the production operations including procurement, assembly, testing, quality control, etc. • Co-planning the development and business plans of the company. Awards: • Startup of the year at Construction Technology ConFex 2023 • BIM-LÖWEN 2022. • Deutscher Startup-Pokal Industrie 4.0 2022. • DB Mindbox Award for Startups 2021.

Antenna Design | Radar Array Design | Signal Integrity | Heat Dissipation. • Designed 5-patch antennas at 77 GHz for automotive radar systems. • Conducted signal integrity simulations and analysis on system and sensor units. • Co-designed radar antenna arrays and analyzed mutual coupling impact on system performance. • Co-designed heat dissipation models balancing thermal management and RF efficiency.

RF Design | Circuit Design | Mobile Communications | Software Design | Product Development | EMC | EU and FCC Certification. • Design of 2G, 3G, 4G Mobile Communication Repeaters / RF Amplifiers / Signal Boosters for automotive companies (B2B). • The work covered the complete life cycle of the product: System Design, RF Design, Circuit Design, Simulations, Layout Design, Procurement, Prototyping, Testing, Validation, EMC, Certification, Quality, Support of Mass Production, Customer Support, etc. • The RF and HW design involved: multi-band transceiver/booster design, PA design, LNA design, filter design, duplexer design, diplexer design, splitter design, signal detection, power detection, anti-oscillation, automatic gain control, power supply circuits, operation mode detection, reverse current protection, ESD, etc. • Research and Simulations on new NFC Antenna Designs for Wireless Charging The business belonged to Laird, then Molex acquired it in 2018.

The business was acquired by Molex in 2018. As with Molex, it involved the design and production of 2G, 3G, 4G Mobile Communication Repeaters / RF Amplifiers / Signal Boosters for automotive companies (B2B).

Antenna Design | Circuit Design | RF Design | GNSS | GPS. • The work was in cooperation with the German Aerospace Center (DLR), and other industrial and research partners, and it involved: • Design of Dual-band Dual-polarized Antenna Arrays for Robust Satellite-based Navigation Systems (GNSS), for automotive and safety-of-life applications. • Design of the RF Integration Circuits including Matching and Decoupling Networks for Mitigation of the Mutual Coupling in Compact Antenna Arrays. • Research on Wave Propagation and Polarization Changes of Satellite Navigation Signals. • Research on Pattern Reconfigurable Smart Antenna Arrays for Cognitive Radios in Safety-Critical and Disaster Scenarios. • Research on Characteristic Mode Analysis for Antenna Engineering.

• Designed and tested Yagi, helical, inverted-F antennas for telemetry systems. • Developed sensor interfacing hardware focusing on signal quality and reliability. • Built FPGA-based data acquisition systems for both analog and digital signals, enhancing processing functionality. • Redesigned and repaired PSK modulation subsystems to recover performance and extend equipment lifespan. • Applied signal processing algorithms (Kalman, Wiener, Wavelet Compression) to boost data accuracy and transmission quality. • Led validation, testing, and documentation for end-to-end system readiness.

Dissertation on: "Design, Testing and System Evaluation of Dual-band Dual-polarized Compact Antenna Arrays for Robust Satellite-based Navigation Systems".