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Planar monopole and half-slot structure dual polarized antenna

A dual-polarized antenna, monopole antenna technology, applied in resonant antenna, antenna grounding device, radiating element structure and other directions, can solve the problems of low purity and low flexibility of dual-polarized antenna radiation polarization, and achieve Light weight, high polarization purity, low profile effect

Active Publication Date: 2019-05-10
NANJING UNIV OF POSTS & TELECOMM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The relative radiation polarization purity of existing dual-polarized antennas is not high, and the design flexibility is low

Method used

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  • Planar monopole and half-slot structure dual polarized antenna
  • Planar monopole and half-slot structure dual polarized antenna
  • Planar monopole and half-slot structure dual polarized antenna

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Embodiment Construction

[0019] Below, the present invention will be described in further detail in conjunction with the accompanying drawings.

[0020] Such as Figure 1-5 As shown, this embodiment discloses a dual-polarized antenna with a planar monopole and half-slot structure, including a dielectric substrate 1, a metal floor 2, a monopole radiation oscillator 3, a half-slot 4, a metal connection part 5 and two A feed port 6.

[0021] Wherein, the dielectric substrate 1 has a rectangular structure and has an upper surface and a lower surface parallel to each other, and the antenna unit is fabricated on the dielectric substrate 1 . see Figure 5 In the orientation shown, the metal floor 2 on the bottom layer is attached to the right side of the lower surface of the dielectric substrate 1, and the monopole radiation oscillator 3 on the top layer is attached to the left side of the upper surface of the dielectric substrate 1. The metal floor 2 and the monopole radiation oscillator 3 together form ...

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PUM

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Abstract

The invention discloses a planar monopole and half-slot structure dual polarized antenna. A monopole radiation oscillator and a metal floor are respectively arranged on an upper surface and a lower surface of a dielectric substrate so as to jointly form a planar monopole antenna unit; a half slot is formed on the metal floor to form a half-slot antenna unit; a feed structure is composed of a metalconnection part and two feed ports penetrating in the dielectric substrate and being fixed therein, and the feed structure is used for performing electrical connection for the monopole radiation oscillator and the metal floor. Consequently, based on the characteristics of polarized orthogonality of the two antenna units, by different feed modes, two different line polarization waves on the same frequency are realized. Additionally, the planar monopole antenna unit and the half-slot antenna unit both have the characteristics of low profile, light weight and being easy to process, thus, the dual polarized antenna formed by the two units also has the advantages of being simple in structure, small in size and easy to process.

Description

technical field [0001] The invention relates to a dual-polarization antenna, in particular to a dual-polarization antenna with a planar monopole and half-slot structure. Background technique [0002] The dual-polarized antenna radiates polarized waves in different directions through different feeding methods, which is conducive to achieving effective diversity in transmission, thereby combating the decline in communication quality caused by multipath fading, and can be used in MIMO systems as a Transmitting antenna or receiving antenna. [0003] The relative radiation polarization purity of the existing dual-polarized antenna is not high, and at the same time, the design flexibility is low. Contents of the invention [0004] Purpose of the invention: In order to overcome the defects of the prior art, the present invention provides a dual-polarized antenna with planar monopole and half-slot structure. The antenna is simple in structure, has the characteristics of low profi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01Q9/30H01Q1/38H01Q1/48H01Q1/50
Inventor 黄晓东谭小媛金秀华
Owner NANJING UNIV OF POSTS & TELECOMM
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