Base station electrically adjustable antenna phase shifter and multiband common base station antenna

A technology for electrically adjustable antennas and phase shifters, which is applied to antennas, electrical components, etc., can solve the problems of small phase shifting amount of phase shifters and increase the length and size of phase shifters, and achieve adjustable power distribution, compact structure, relatively small effect

Pending Publication Date: 2017-04-19
GUANGDONG SHENGLU TELECOMM TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The first type of phase shifter includes a transmission line and a dielectric plate. By adjusting the relative position between the medium plate and the transmission line, the overlapping part between the medium plate and the transmission line is adjusted, and then the medium plate covers the The length of the medium on the transmission belt line, however, the transmission belt line used in the current phase shifter is a straight transmission belt line, and the phase shifter designed with a straight transmission belt line has a small phase shift amount per unit length. Obtaining a large amount of phase shift requires increasing the length of the phase shifter, which is an unfavorable factor for the effective layout of most antennas

Method used

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  • Base station electrically adjustable antenna phase shifter and multiband common base station antenna
  • Base station electrically adjustable antenna phase shifter and multiband common base station antenna
  • Base station electrically adjustable antenna phase shifter and multiband common base station antenna

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Embodiment Construction

[0016] The technical solution will be described in detail below in conjunction with specific embodiments.

[0017] Such as Figure 1-Figure 4 As shown, the present invention is a phase shifter for a base station electronically adjustable antenna, which includes a dielectric sheet 1 and a coupling arm 2, one side of the dielectric sheet is covered with copper, and the other side is provided with three groups of circular arc structures 3 with successively decreasing radii and a main feeder 4 The energy transmission between the arc structure and the main feeder is mainly through the coupling arm. Changing the gap between the coupling arm and the arc can also realize power adjustment. The two ends of the arc structure are connected with external antenna radiation units 5 , connect different radiating elements according to different arc sizes, and achieve the required phase distribution from the surface to realize the electrical downtilt angle of the antenna. The three groups of a...

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Abstract

The invention discloses a base station electrically adjustable antenna phase shifter and a multiband common base station antenna. The base station electrically adjustable antenna phase shifter is characterized by comprising a dielectric sheet and a coupling arm. One surface of the dielectric sheet is covered by copper, and the other surface is provided with at least three groups of arc structures of which the radius gradually decreases and a main feed line. Energy transmission between the arc structures and the main feed line is mainly realized through the coupling arm. Power adjustment can be realized by changing the gap between the coupling arm and the arcs. The two ends of the arc structures are externally connected with antenna radiation units. The base station electrically adjustable antenna phase shifter is simple in structure and convenient to use and has more superior performance in comparison with similar products.

Description

technical field [0001] The present invention relates to the technical field of antennas, and more particularly relates to an arc phase shifter of an electric adjustable antenna and a multi-frequency sharing base station antenna. Background technique [0002] The base station antenna realizes the downtilt adjustment of the beam of the base station antenna through the phase shifter, which has the advantages of large adjustable range of downtilt angle, high precision, good pattern control, strong anti-interference ability, and easy control. The phase shifter is a necessary component of the base station antenna. This device adjusts the downtilt angle of the antenna beam by changing the relative phase between the antenna elements, thereby facilitating the optimization of the communication network. At present, there are mainly two types of phase shifters in the industry: the first is to achieve the purpose of phase shift by adjusting the length of the medium covering the electroma...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01Q3/32H01Q23/00
CPCH01Q3/32H01Q23/00
Inventor 吴维检黎权新方雄波高永杰
Owner GUANGDONG SHENGLU TELECOMM TECH
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