Multi-Beam Antenna Array Synthesis Using the Fourier Method for Reliable 5G Applications

High-capacity wireless communication needs driven by the emergence of 5G technology have triggered advancements in sophisticated antenna array designs. Multi-beam antenna arrays function as core components in these systems due to their capabilities of precise beam steering and their contributions to enhanced spectral efficiency and better spatial coverage. This study introduces a new Fourier-based approach for designing multibeam antenna arrays. Unlike traditional methods, our technique gives precise control over beam shaping while significantly lowering unwanted side lobes. A more optimized radiation pattern that boosts performance for 5G and beyond. Through theoretical framework development and numerical simulations supported by experimental validation we demonstrate the method's potential to enhance antenna array optimization. The experimental and numerical findings validate that the introduced method based on Fourier synthesis considerably boosts beamforming performance through enhanced directivity and side lobe suppression. The demonstrated results reveal the method's potential to enhance multi-beam antenna arrays in 5G networks by enabling efficient spectrum utilization and interference control.