Base station antenna

A technology of base station antenna and radome, applied in the field of communication, can solve the problems of antenna site selection and construction, increase wind load, weaken antenna wind resistance and other problems, achieve narrow beam width, increase antenna gain, improve front-to-back ratio and isolation. Effect

Inactive Publication Date: 2015-02-11
KUANG CHI INNOVATIVE TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] However, although the front-to-back ratio can be improved by increasing the area of ​​the reflector, the increase in the volume of the antenna will bring difficulties to site selection and construction in actual installation.
Moreover, the increase of the cross-sectional area of ​​the antenna will also increase the wind load and weaken the wind resistance of the antenna.

Method used

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Examples

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no. 1 example

[0050] figure 1 is a schematic diagram of the overall structure of the base station antenna according to the first embodiment of the present invention. The base station antenna of the first embodiment includes a plurality of radiation elements 120 , a reflection plate 110 , a metamaterial plate and a supporting device 300 . , the reflecting plate 110 is used to reflect electromagnetic waves, and each radiation unit 120 is installed on the reflecting plate 110 . The metamaterial plate 200 and the reflection plate 110 are respectively located on two sides of each radiation unit 120 . The metamaterial plate 200 includes a dielectric substrate 210 and a plurality of microstructure units 220 of the same size and structure regularly arranged on the first surface and the second surface of the dielectric substrate 210 . The first surface and the second surface of the dielectric substrate 210 are opposite to each other and parallel to the reflection plate 110 . In this embodiment, t...

no. 2 example

[0078] Figure 9 is a schematic diagram of the topological structure of the metamaterial plate 200 in the base station antenna according to the second implementation of the present invention.

[0079] In the second embodiment, the specific structure of the microstructure unit 220 is the same as that of the first embodiment. The main difference between the second embodiment and the first embodiment lies in the arrangement of the microstructure units. Such as Figure 9 As shown, a plurality of microstructure units 220 located on the same surface of a dielectric substrate 210 are arranged in such a way that the surface is divided into a plurality of grids by a plurality of imaginary straight lines 10, wherein each line segment forming each grid corresponds to One microstructure unit 220 is set, and the center of each microstructure unit 220 coincides with the midpoint of the corresponding line segment. Each side of the square where the outer contour of the microstructure unit ...

no. 3 example

[0082] Figure 10 It is a schematic diagram of the topological structure of the first surface microstructure unit 220 of the metamaterial plate 200 in the base station antenna according to the third implementation of the present invention.

[0083] In the third embodiment, the structure of the microstructure unit 220 is also the same as that of the first embodiment. The main difference between the third embodiment and the first embodiment lies in the arrangement of the microstructure units.

[0084] Such as Figure 10 As shown, in the third embodiment, a plurality of microstructure units 220 located on the same surface of a dielectric substrate 210 are arranged in such a way that the surface is divided into a plurality of squares by a plurality of imaginary straight lines 10, wherein each square One microstructure unit 220 is correspondingly arranged inside the grid, and the center of each microstructure unit 220 coincides with the center of the corresponding grid. At the s...

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Abstract

The invention provides a base station antenna, which comprises at least one radiating element (120), a reflecting plate (110) and a function board, wherein the reflecting plate (110) is arranged on one side of the at least one radiating element (120) and is used for reflecting electromagnetic wave; the function board and the reflecting plate (110) are respectively arranged on two sides of the at least one radiating element (120); the function board comprises multiple micro-structure units (220). According to the base station antenna provided by the invention, the function board with a conductive geometric structure is arranged, so that the antenna gain can be increased.

Description

technical field [0001] The present invention relates to the technical field of communications, and more specifically, to a base station antenna. Background technique [0002] Antenna gain, half power angle, and front-to-back ratio are all important parameters to measure antenna performance. [0003] Among them, antenna gain is used to measure the ability of the antenna to send and receive signals in a specific direction. Antenna gain refers to the ratio of the power density of the signal generated by the actual antenna and the ideal radiating unit at the same point in space under the condition of equal input power. It quantitatively describes the degree to which an antenna radiates the input power. Among them, the gain is closely related to the pattern, the narrower the main lobe of the pattern, the smaller the side lobe, and the higher the gain. Under the same conditions, the higher the gain, the farther the electromagnetic wave travels. Insufficient gain creates problem...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01Q19/00H01Q19/10H01Q15/00H01Q1/42
Inventor 不公告发明人
Owner KUANG CHI INNOVATIVE TECH
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