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Electrically adjustable antennas for high-speed rail

A technology for electronically adjustable antennas and high-speed rails, applied in antennas, antenna couplings, antenna components, etc., can solve problems such as signal mutual interference, and achieve the effects of optimized layout, optimal transmission performance, and good isolation indicators

Active Publication Date: 2021-07-09
WUHAN HONGXIN TELECOMM TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The embodiment of the present invention provides an electronically adjustable antenna used along the high-speed rail to solve or partially solve the problem that existing dual-band antennas are prone to signal mutual interference

Method used

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  • Electrically adjustable antennas for high-speed rail
  • Electrically adjustable antennas for high-speed rail
  • Electrically adjustable antennas for high-speed rail

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Embodiment Construction

[0029] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0030] In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it can be mechanically connected...

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PUM

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Abstract

The invention relates to the technical field of wireless communication equipment, and discloses an electrically adjustable antenna used along a high-speed rail line, including: a radiation unit, a decoupling unit, and a feeding network; a plurality of the radiation units are arranged in a rectangular array, adjacent to each other A baffle is installed between two columns of the radiating units, and the decoupling unit is installed between two adjacent rows of the radiating units; the feeding network is used to divide the feeding signal into two independent sub-frequency bands for The radiating unit is directly fed with power. The electronically adjustable antenna used along the high-speed railway provided by the present invention optimizes the layout of the feeding network and obtains a good isolation index. In actual testing, the different frequency isolation of the whole machine is greater than 32dB, and the polarization isolation reaches 30dB; the frequency spectrum is improved. Resource utilization efficiency and communication system capacity can achieve optimal transmission performance.

Description

technical field [0001] The invention relates to the technical field of wireless communication equipment, in particular to an electrically adjustable antenna used along a high-speed rail. Background technique [0002] With the rapid development of mobile communication technology, antenna technology is also constantly improving. At present, electrically adjustable antennas have been widely used in the communication field. An electronically adjustable antenna is a radio frequency transmitting and receiving device corresponding to a mechanical antenna, and the downtilt angle of the antenna can be adjusted electronically. Compared with the mechanical antenna, the electrically adjustable antenna has the characteristics of simple adjustment and high adjustment accuracy. Since there is no need for maintenance personnel to directly perform mechanical operations, the downtilt angle of the antenna can also be adjusted in the working state of the antenna. [0003] With the expansion ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01Q1/52H01Q1/50H01Q1/24H01Q3/34H01Q5/50
CPCH01Q1/241H01Q1/50H01Q1/521H01Q3/34H01Q5/50
Inventor 黄梓璨孙波吴卫华
Owner WUHAN HONGXIN TELECOMM TECH CO LTD
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