[Legacy Report] Antenna Array Design Techniques using Electromagnetic Simulation
Antenna arrays have long been ideal choice for wide range of applications such as radar, remote sensing, wireless communication and others. In these application it is desired to control properties of radiation pattern such as directivity or side lobe level or electronically steer the beam. Antenna arrays have also perspective in car-to-car communication or millimeter wave communications. While antenna arrays offer high performance and flexibility, their cost is higher (especially for larger phased arrays) and the design process is more complicated compared to single antenna.
The presentation will give an introduction to antenna array theory – array multiplication principle, active/embedded element pattern, active reflection coefficient, scan blindness etc. A workflow of using electromagnetic field simulation for phased array design including the effects of mutual coupling will be presented. In the last part of the presentation, an example of phased array design for Ku band satellite communication will be shown in CST STUDIO SUITE®. The design will focus on optimization of the array radiation and elements reflection coefficient for multiple scan angles at multiple frequencies.
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