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Broadband miniaturized base station antenna and communication equipment

A base station antenna and broadband technology, which is applied in the field of broadband miniaturized base station antennas and communication equipment, can solve the problem of not having base station antennas, etc., and achieve the effects of expanding bandwidth, low profile, and improving impedance performance.

Pending Publication Date: 2021-08-17
SOUTH CHINA UNIV OF TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, there are base station antennas that can simultaneously cover 2G, 3G, and LTE (4G) systems with 45% impedance bandwidth, and the better ones can achieve 60% impedance bandwidth, but they do not have nearly 75% impedance bandwidth that can cover 4G and 5G systems at the same time. % Impedance Bandwidth of Base Station Antenna

Method used

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  • Broadband miniaturized base station antenna and communication equipment
  • Broadband miniaturized base station antenna and communication equipment
  • Broadband miniaturized base station antenna and communication equipment

Examples

Experimental program
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Effect test

Embodiment 1

[0032] like Figure 1-Figure 3 As shown, a broadband miniaturized base station antenna has a symmetrical structure. It includes a reflector 2 , an antenna radiation unit 1 , a door-shaped branch 3 , a coaxial line 4 and an insulating plastic column 5 .

[0033] The antenna radiating unit is fixed above the reflector through four insulating plastic posts, and the four insulating plastic posts are located at four corners of the antenna radiating unit. In this embodiment, the distance between the two is 20mm.

[0034] The distance between the reflector and the antenna radiation unit is 0.2λ 0 -0.25λ 0 , where λ 0 is the wavelength corresponding to the center frequency of the broadband base station antenna at 3.65 GHz in free space.

[0035] There are four gate-shaped branches, which are vertically placed on the reflector and located around the antenna radiation unit, and are respectively located at the center of each side of the antenna radiation unit dielectric substrate. ...

Embodiment 2

[0053] A communication device, including the broadband miniaturized base station antenna described in Embodiment 1.

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Abstract

The invention discloses a broadband miniaturized base station antenna and communication equipment, the broadband miniaturized base station antenna comprises a reflecting plate, an antenna radiation unit and a plurality of door-shaped branches, the antenna radiation unit is arranged above the reflecting plate, and the plurality of door-shaped branches are uniformly arranged on the reflecting plate and located around the antenna radiation unit. The broadband miniaturized base station antenna has the characteristics of novel structure, planar structure, simplicity in manufacturing, large bandwidth, low profile and the like.

Description

technical field [0001] The invention relates to the field of mobile communication, in particular to a broadband miniaturized base station antenna and communication equipment. Background technique [0002] In order to meet the increasing needs of users, mobile communication technology is also developing rapidly, from the first generation analog communication system (1G) to the current fifth generation mobile communication system (5G). At this stage, there are 2G, 3G, LTE (4G), and 5G systems in China. The LTE (4G) system uses 2300-2690MHz, while the 5G system uses 3.3-3.6GHz and 4.8-5GHz. Since different mobile systems use different frequency bands, if one antenna can cover multiple communication frequency bands, it will effectively reduce the number of base stations, thereby reducing the construction cost and space of base stations to achieve greater economic benefits. [0003] At present, there are base station antennas that can simultaneously cover 2G, 3G, and LTE (4G) sy...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01Q5/10H01Q5/28H01Q5/50H01Q5/307H01Q15/14H01Q1/36H01Q1/50
CPCH01Q1/36H01Q1/50H01Q15/14H01Q5/10H01Q5/28H01Q5/307H01Q5/50
Inventor 崔悦慧涂珍星李融林张海伟
Owner SOUTH CHINA UNIV OF TECH
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