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A dual-polarized filter patch antenna based on resonator-type probe feeding

A patch antenna and resonator technology, which is applied in the field of communication antennas, can solve problems such as increased antenna loss and affect antenna radiation characteristics, achieve good filtering characteristics, simple processing, and avoid inter-symbol crosstalk

Active Publication Date: 2021-11-19
SOUTH CHINA UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, the design of the dual-polarization filter patch antenna has great application prospects. However, in the existing research on the dual-polarization filter patch antenna, there are designs that will increase the antenna loss or affect the radiation characteristics of the antenna.

Method used

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  • A dual-polarized filter patch antenna based on resonator-type probe feeding
  • A dual-polarized filter patch antenna based on resonator-type probe feeding
  • A dual-polarized filter patch antenna based on resonator-type probe feeding

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Embodiment Construction

[0022] The present invention will be further described below in conjunction with specific examples.

[0023] see Figure 1 to Figure 6 As shown, this embodiment provides a dual-polarized filter patch antenna based on resonator-type probe feeding, including a first dielectric plate 1, a second dielectric plate 3, and a first feed an electrical structure F1 and a second feed structure F2;

[0024] Wherein, the first dielectric plate 1 is a rectangular dielectric plate with a patch 2 on its upper surface, and the patch 2 is a rectangular metal patch for radiating energy; the first dielectric plate 1 and the second medium A distance of 14.5 mm is kept between the boards 3 to form an air layer 5 for adjusting the antenna quality factor and the coupling between the patch and the probe. The second dielectric board 3 has four card slots for two The first feeding probe P1 and the second feeding probe P2 of the feeding structure are installed, and the upper surface of the second diele...

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Abstract

The invention discloses a dual-polarized filter patch antenna based on a resonator-type probe feed, which includes a first dielectric plate, a second dielectric plate, a first feed structure and a second feed structure arranged in sequence from top to bottom. Electrical structure: There are patches on the first dielectric board, and a preset distance is maintained between the first dielectric board and the second dielectric board to form an air layer. Each feed structure includes vertically installed in the slot of the second dielectric board The first feeding probe and the second feeding probe, as well as the feeding port, coupling feeder and several resonators arranged on the lower surface of the second dielectric board, the two feeding probes are equipped with resonators, which can simultaneously Excite the patch on the first dielectric board, introduce cross-coupling to realize filtering, and realize ±45° polarization; the present invention uses a part of the resonator as a feeding probe to realize dual polarization of the antenna and the antenna can perform fourth-order Filtering has good filtering characteristics, and the entire antenna has a simple structure and is easy to process.

Description

technical field [0001] The invention relates to the technical field of communication antennas, in particular to a dual-polarization filter patch antenna based on resonator type probe feeding. Background technique [0002] With the rapid development of wireless communication and the commercialization of fifth-generation communication systems, there are higher requirements for base station antennas, such as improving the filtering function and reducing the volume size. The dual-polarized antenna can save the number of base station antennas and ensure the effect of diversity reception, and is widely used in the design of base station antennas; at the same time, the patch antenna is light in weight, small in size, easy to conform, easy to process, and low in cost. And other advantages are also widely used in wireless communication systems. Therefore, integrating the filtering function of the patch antenna into the dual-polarized antenna can not only reduce the design of the pos...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01Q1/50H01Q9/04H01Q1/24H01Q1/52H01Q1/48
CPCH01Q1/246H01Q1/48H01Q1/50H01Q1/52H01Q9/0407
Inventor 陈付昌向凯燃
Owner SOUTH CHINA UNIV OF TECH
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