Design and Optimization of Blade Antenna for Automotive Cellular Applications using Altair Feko

Cellular networks, such as Long-Term Evolution (LTE) and 5G, have emerged as the primary mode of communication in automotive applications. To support the wide range of frequency bands used in these networks, the development of a compact and broadband antenna that can fit within the volume constraints of a roof-top (shark fin) antenna assembly is crucial. Utilizing a fast and precise optimization engine can facilitate the optimization of interactions between different antennas. We present the optimization of a C-Blade antenna with a C-shaped slot, which can cover a broad frequency band from 800 MHz to 5 GHz besides other application antennas. The optimization process involved using Altair Feko and the built-in optimizer GRSM (Global Response Surface Method) to ensure that the antenna met the performance specifications while adhering to size constraints. The Blade antenna's design and optimization were based on advanced electromagnetic simulations and included the consideration of various factors, such as impedance matching, radiation efficiency, and pattern characteristics.