Dual-polarization Slot Coupled Microstrip Antenna Array

Abstract

Dual polarization technology is a research hot spot in a variety of areas like aperture synthetic radar, GPS and satellite systems. It is emphasize and difficult to spread bandwidth, improve the degree of separation and reduce cross polarization in antenna design. Aiming at this issue, a dual-polarization microstrip antenna array is designed in this paper. By the optimization simulation of HFSS software, the antenna array with good performance is obtained. When the standing-wave ratio is less than 2, the bandwidth of the horizontal and vertical polarized port is 3.5 GHz, 3 GHz. The gain in bandwidth is greater than 7.9 dB, and the isolation is above 35dB.The final optimization results comply with the design of the antenna performance metrics.