Wideband dual-polarized radiation unit used in multi-frequency base station antenna

A radiating unit and dual-polarization technology, applied in the structural form of radiating elements, antennas, antenna components, etc., can solve the problem of not completely covering the low-frequency mobile communication frequency band, achieve excellent radiation characteristics, reduce complicated cables, and save space on the back Effect

Pending Publication Date: 2018-11-16
JIANGSU HENGXIN TECH CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the operating frequency band of the currently applied "ten"-shaped 900MHz unit structure is basically 880-960MHz, which does not completely cover the low-frequency mobile communication frequency bands at home and abroad.

Method used

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  • Wideband dual-polarized radiation unit used in multi-frequency base station antenna
  • Wideband dual-polarized radiation unit used in multi-frequency base station antenna
  • Wideband dual-polarized radiation unit used in multi-frequency base station antenna

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Embodiment Construction

[0030] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0031] Such as Figure 1-2 As shown, a broadband dual-polarized radiation unit used in multi-frequency base station antennas includes a radiator PCB board 1, a balun 2, a metal feed sheet 3 and a metal reflector 4, and the balun 2 is a die-cast Balun, the radiator PCB board 1 is composed of radiator PCB upper metal 11, radiator PCB dielectric layer 12, and radiator PCB lower metal 13, and the radiator PCB lower metal is electromagnetically coupled through the ...

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Abstract

The invention discloses a wideband dual-polarized radiation unit used in a multi-frequency base station antenna. The wideband dual-polarized radiation unit comprises a radiator PCB, a balun, a metal feeding plate and a metal reflecting plate. The radiator PCB is formed through vertically combining radiator PCB upper-layer metal, radiator PCB dielectric layer and radiator PCB lower-layer metal. Theupper end of the balun is welded with the radiator PCB upper-layer metal. The metal feeding plate is fixed in the balun in an insulating manner. The lower end of the metal feeding plate is welded with the inner conductor of a coaxial line. The upper-end outer conductor of the coaxial line is welded with the lower end of the balun. The balun is fixed to the metal reflecting plate. The wideband dual-polarized radiation unit used in the multi-frequency base station antenna can cover a low-frequency full band of 690-960 MHz. The wideband dual-polarized radiation unit has advantages of realizing an excellent radiation characteristic in the wide band, reducing feeding loss and improving radiation efficiency of the antenna.

Description

technical field [0001] The invention relates to the technical field of multi-frequency antennas, in particular to a broadband dual-polarization radiation unit used in multi-frequency base station antennas. Background technique [0002] With the continuous development of mobile communication technology, the frequency band of mobile communication at home and abroad continues to increase, resulting in the continuous expansion and increase of the working frequency band of the base station antenna, and the sky resources on the top of the base station tower are becoming more and more scarce. Antennas to meet the needs of multi-system co-site and smooth network upgrades. [0003] At present, the relative bandwidth of the working frequency band of the base station antenna can reach 32% at low frequency and 45% at high frequency; the multi-frequency antenna has realized the integrated design of up to 6 frequency bands. The current mainstream technology generally adopts high and low ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01Q19/10H01Q1/38H01Q1/50H01Q1/24
CPCH01Q19/10H01Q1/246H01Q1/38H01Q1/50
Inventor 张颖松华彦平柴若齐郭建江
Owner JIANGSU HENGXIN TECH CO LTD
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