Design and optimization of mini MIMO antenna

This article designs three MIMO antennas for WLAN and WIMAX. The center resonance frequencies are 2.4 GHz, 3.5 GHz, and 5.2 GHz, respectively. The electromagnetic simulation software HFSS is used to design and optimize the MIMO antenna. The MIMO antenna is designed with dielectric substrates with different thicknesses and sizes and antenna element patches with different shapes. Use the antenna layout in each frequency band to obtain good isolation. Make the center working frequency reach more than 15dB. The antenna has the characteristics of omnidirectional radiation in the working frequency band, and the isolation and gain are calculated through the S parameter sweep frequency setting, and then the optimization function is used to optimize and modify the antenna.