A New Designed Navigation Microstrip Patch Antenna with Air Back Cavity

In this paper a new designed microstrip patch antenna with air back cavity will be mentioned, compared to the common microstrip patch antenna, it improves the narrow bandwidth and the poor radiation efficiency. The low precision machining requires and the flexible structure in project make the new antenna very fit to the multiband satellite navigation receivers. By the electromagnet simulation software HFSS, the scientific of this new design will be proved firstly for this paper, and a prototype will be produced to test and to prove the feasibility. The new designed microstrip patch antenna might widely replace the common microstrip patch antenna in many navigation applications.