Feinmechanik
Ingenieur
Veröffentlicht seit 1 Tag
Valeo
The mission of the thermal systems business group is to develop and manufacture systems, modules and components to ensure thermal energy management of the power train and comfort for each passenger, during all phases of vehicle use. These systems help to significantly reduce fuel consumption, CO2 emissions and other pollutants and harmful particles from vehicles equipped with internal combustion engines. They also increase travel range and battery life for hybrid and electric vehicles. At the Front Office in Bietigheim-Bissingen we are supporting Sale- and Project activities and compose the interface between the customers Daimler and Valeo-internal departments at the development from Thermal Systems.
Tasks
* Antenna Architecture Design: Lead the design and development of innovative antenna arrays for 79GHz radar sensors, specifically optimized for Ultra-Short-Range (USR) applications requiring wide Field-of-View (FoV).
* MIMO Strategy: Define and optimize MIMO (Multiple-Input Multiple-Output) configurations and virtual array patterns to achieve superior angular resolution and minimize sidelobes/ambiguities.
* Electromagnetic Simulation: Perform high-fidelity EM simulations using tools like CST Microwave Studio or Ansys HFSS to optimize gain, bandwidth, and mutual coupling at mmWave frequencies (77–81 GHz).
* Material & Stack-up Selection: Define requirements for high-frequency PCB materials and stack-ups, ensuring minimal insertion loss and stable performance across automotive temperature ranges.
* Integration & Radome Analysis: Analyze and optimize the interaction between the antenna array and the sensor housing (radome/fascia) to mitigate reflections and boresight errors.
* Measurement & Validation: Lead antenna characterization in anechoic chambers, performing 3D radiation pattern measurements, gain verification, and phase center analysis.
* Manufacturing Feasibility: Collaborate with PCB suppliers and production teams to ensure antenna designs are compatible with high-volume automotive manufacturing tolerances.
Profile
* Education: Master’s degree or PhD in Electromagnetics, RF Engineering, or Microwave Engineering.
* mmWave Expertise: Deep technical knowledge of antenna design at 77–81 GHz, including patch arrays, feed networks, and transition designs (e.g., SIW or microstrip).
* MIMO Theory: Strong command of MIMO radar principles, including virtual array synthesis, orthogonal waveform impact on antenna design, and spatial multiplexing.
* Simulation Mastery: Expert-level proficiency in 3D EM simulation software (CST, HFSS, or FEKO).
* Hardware Characterization: Hands-on experience with VNA (Vector Network Analyzers) and antenna measurement systems in the mmWave frequency range.
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