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A broadband dual-polarized antenna unit and a broadband antenna

A dual-polarized antenna and broadband antenna technology, applied in the field of communication, can solve the problems of heavy maintenance work of base station antennas, and achieve the effects of simple structure, improved boundary conditions, and easy manufacturing.

Active Publication Date: 2016-01-06
GUANGDONG BROADRADIO COMM TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, the long-term outdoor application makes the maintenance work of the base station antenna increasingly heavy

Method used

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  • A broadband dual-polarized antenna unit and a broadband antenna
  • A broadband dual-polarized antenna unit and a broadband antenna
  • A broadband dual-polarized antenna unit and a broadband antenna

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Such as figure 1 As shown, a broadband dual-polarized antenna unit 11 provided by an embodiment of the present invention is used to be installed on a metal reflector 10 to form a broadband antenna. Wherein, the broadband dual-polarized antenna unit 11 includes two pairs of dipole radiating units with orthogonal polarization, and each dipole radiating unit is respectively installed on a metal reflector through a balun (balanced unbalanced converter) 10 on. Each dipole radiating unit respectively includes two unit arms symmetrically fixed on the balun.

[0026] Specifically, the first unit arm 1a and the second unit arm 1b are fixed on the first balun 1, the third unit arm 2a and the fourth unit arm 2b are fixed on the second balun 2, the fifth unit arm 3a and the The six unit arms 3 b are fixed on the third balun 3 , and the seventh unit arm 4 a and the eighth unit arm 4 b are fixed on the fourth balun 4 . Wherein, the first unit arm 1a and the second unit arm 1b form...

Embodiment 2

[0033] Such as image 3 As shown, the embodiment of the present invention is a modified structure of the first embodiment. In each dipole radiating unit in the embodiment of the present invention, the plate part of the unit arm is a solid polygonal plate without a hollow area.

[0034] Other structures of this embodiment of the present invention are the same as those of Embodiment 1, and will not be repeated here.

Embodiment 3

[0036] Such as Figure 4 As shown, the embodiment of the present invention is a modified structure of the embodiment. In each dipole radiating unit in the embodiment of the present invention, the plate part of the unit arm has a hollowed out circular hollow area. It should be noted that, in combination with Embodiment 1, Embodiment 2 and this embodiment, the plate-shaped part of the unit arm in the present invention can be solid or a frame with a hollow area, and the hollow area Any shape is also possible.

[0037] Other structures of this embodiment of the present invention are the same as those of Embodiment 1, and will not be repeated here.

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Abstract

The invention relates to a broadband dual-polarized antenna unit which is arranged on a metal reflective board, and comprises two pairs of polarized dipole radiation units orthogonally arranged, each dipole radiation unit is arranged on the metal reflective board by a balun, and the positions where the dipole radiation units are connected with the balun are in the same one reference plane; each dipole radiation unit comprises two unit arms symmetrically fixedly arranged on the balun, one ends of the unit arms are fixedly connected with the balun, and the other ends of the unit arms are provided with board like pieces perpendicular to the reference plane; and projections of the unit arms on the reference plane enclose a centrosymmetric polygonal or circle. The broadband dual-polarized antenna unit is simple in structure, easy to manufacture, and suitable for batch production, has the advantages of high performance and broadband, and is especially applicable to mobile communication systems of GSM (Global System For Mobile Communication) 800, GSM 900, CDMA (Code Division Multiple Access) 800, LTE (Long Term Evolution) 700 and the like with 600-1000MHz.

Description

technical field [0001] The invention relates to the communication field, in particular to a broadband dual-polarization antenna unit and a broadband antenna. Background technique [0002] With the issuance of 3G licenses in our country, the construction and operation of three standard mobile communication networks of TD-SCDMA, WCDMA and CDMA2000 have begun. Broadband wireless networks such as WiMAX are being put into use more and more. With the development of mobile communication technology, newer technologies will be put into commercial use. Whether it is now or in the future, the coexistence of multiple communication application standards is inevitable. [0003] The base station antenna is an important part of the mobile communication system, and its characteristics directly affect the overall performance of each wireless network. With the continuous increase of network coverage and capacity, the number of base stations and base station antennas increases rapidly, and th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01Q21/24H01Q19/10H01Q1/36
Inventor 谭杰洪吴壁群
Owner GUANGDONG BROADRADIO COMM TECH
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