A Miniaturized Broadband Triple-polarized Antenna

Abstract

The invention relates to a miniaturized broadband triple-polarization antenna, which belongs to the technical field of antennas. Including, a dielectric cavity placed on the metal base plate, the vertical radiator part of the antenna is printed on the surface of the dielectric cavity; a radiation cover placed directly on the dielectric cavity, and the upper surface of the radiation cover is printed The horizontal dual-polarized radiator part of the antenna; two microstrip dielectric boards placed in a cross in the dielectric cavity, the front of the microstrip dielectric board is printed with microstrip lines, and the back is printed with a metal ground plane with gaps, and the metal ground plane The upper side is connected to the horizontal dual-polarized radiator part of the antenna, and the lower side is connected to the metal base plate; a feeding substrate placed inside the dielectric cavity, and an equal-power microstrip matching circuit is printed on the upper surface. The antenna of the present invention realizes the wide frequency band and miniaturization of the three-polarization antenna, and the antenna of the present invention can be used as an antenna in a base station antenna and a mobile communication system to improve frequency spectrum utilization, increase communication capacity, and the like.

Description

technical field [0001] The invention belongs to the technical field of antennas, and in particular relates to a miniaturized broadband triple-polarization antenna, which can be used as a base station antenna and an antenna in a mobile communication system, and is used to improve frequency spectrum utilization and increase communication capacity. Background technique [0002] In the field of mobile communication, the demand for data transmission is increasing day by day, and the frequency band resources are increasingly tight, so it is imperative to increase the capacity of the communication system. Usually, it can be achieved by increasing the frequency bandwidth, such as expanding the used frequency band to the millimeter wave band, but there are still many problems to be solved. In addition, it may be considered to improve the utilization rate of spectrum, and an effective solution is to adopt multiple-input multiple-output (MIMO) technology. A MIMO system refers to a com...

AI Technical Summary

Problems solved by technology

At present, the research on the three-polarization antenna is focused on the realization of the three polarization functions. The antenna has narrow bandwidth, large size and uncontrolled radiation characteristics.

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