24GHz Microstrip Patch Antenna Array Simulation and Design

This paper presents a work in the freqrence range of 24GHz to 24.25GHz resonant Microstrip Patch PlanarArray antenna with Series and parallel combination of feed network.This feed method can be fully utilized in series feednetwork which is effective to reduce feed loss and to increase the advantages of space utilization，but also use the advantages ofsimple to design in parallel feed network. Simulation results show that: The antenna array gain up to 22dB， E-Plane andH-Plane half-power Beamwidth are small，about 12°. The first sidelobe level is about-12dBi. The antenna is small size，performance and stability， can be used in car anticollision radar，speed radar， security and other occasions.