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Millimeter wave antenna

A millimeter wave antenna and patch antenna technology, applied in the microwave field, can solve the problems of large loss and narrow bandwidth of the patch antenna, and achieve the effect of reducing loss and excellent wide-bandwidth angle antenna axial ratio

Active Publication Date: 2022-04-12
THE 13TH RES INST OF CHINA ELECTRONICS TECH GRP CORP
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The embodiment of the present invention provides a millimeter-wave antenna to solve the problems of relatively narrow bandwidth and large loss of the current patch antenna

Method used

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Embodiment Construction

[0031] In order to enable those skilled in the art to better understand the solution, the technical solutions in the embodiments of the solution will be clearly described below with reference to the drawings in the embodiments of the solution. Obviously, the described embodiments are part of the solution. examples, but not all examples. Based on the embodiments in this solution, all other embodiments obtained by persons of ordinary skill in the art without creative work shall fall within the protection scope of this solution.

[0032] The term "including" and any other modifications in the description and claims of this solution and the above drawings means "including but not limited to", and is intended to cover non-exclusive inclusion, and is not limited to the examples listed in the text. Also, the terms "first" and "second" and the like are used to distinguish different objects, rather than to describe a particular order.

[0033] The implementation of the present inventi...

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Abstract

The invention provides a millimeter wave antenna. The millimeter wave antenna comprises a first substrate, a second substrate, a plurality of first high-lead columns and a plurality of second high-lead columns, wherein the first high-lead columns and the second high-lead columns are connected between the first substrate and the second substrate; the first substrate comprises a circularly polarized patch antenna arranged on the second surface close to the second substrate and a parasitic patch arranged on the first surface far away from the second substrate; the second substrate comprises a plurality of coaxial feeding points which are arranged on the second surface far away from the first substrate and are used for feeding the circularly polarized patch antenna, a plurality of feeding point welding pads are arranged on the first surface close to the first substrate, and the second substrate is connected with the coaxial feeding points through metalized through holes formed in the second substrate; a plurality of limiting holes penetrating through the first surface and the second surface of the second substrate are further formed in the second substrate, and the limiting holes surround the metalized through holes; the first surface of the second substrate is covered with a grounding pattern, and the grounding pattern avoids the limiting hole and the feed point pad. The millimeter wave antenna provided by the invention can reduce the loss of the antenna.

Description

technical field [0001] The invention relates to the field of microwave technology, in particular to a millimeter wave antenna. Background technique [0002] With the continuous development of 5G technology, circularly polarized patch antennas have been widely used in satellite communications, GPS positioning, etc. However, with the continuous development of 5G wireless communication, higher and higher requirements are placed on the performance of the antenna, such as high gain, miniaturization, wide bandwidth and high radiation efficiency. [0003] However, traditional millimeter-wave patch antennas are usually fabricated by microwave multilayer PCB boards or LTCC processes, and the radiation efficiency and relative bandwidth of the fabricated patch antennas are poor. Because the conventional microwave matching circuit is complex, it is sensitive to the dielectric layer and dielectric constant, and the matched patch antenna has a relatively narrow bandwidth and large loss, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01Q1/38H01Q1/50H01Q9/04
CPCY02D30/70
Inventor 周彪孔令甲王建许向前韩玉朝胡丹彭同辉李德才王玉尉国生李玺邢星郭鹏磊岳川许霞平
Owner THE 13TH RES INST OF CHINA ELECTRONICS TECH GRP CORP
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