Design of a low-cost MIC antenna array network at microwave frequencies

摘要

This project deals with the design and the realization of a low-cost MIC antenna array subsystem at an operating frequency of 9.71 GHz. Applications for this kind of antenna are found in indoor wireless communications systems. Low power radar is also a potential field of application. We present a proposed topology to perform beam switching in many azimuthal directions and in two elevations. Elevation switching is implemented by reflection phase shifters in a phased array, with the constraint of a constant module in both phase states. Loaded line phase shifters are also implemented. Finally, antenna performances are showed and discussed.