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Antennas, mimo antennas and isolation strips for reducing mutual coupling energy of antennas

A technology for isolation strips and antennas, applied in the field of isolation strips, can solve the problems of no obvious effect on the isolation of antenna units, weaken the mutual coupling strength, and deteriorate the cross-polarization level of antennas, etc., achieving significant effects, reducing mutual coupling, and low cost Effect

Active Publication Date: 2019-03-29
TONGYU COMM INC
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The base station antenna units mostly adopt ±45° orthogonal polarization, and the beam width of the unit is the largest in the direction of ±45°, so the use of triangular layout has no obvious effect on improving the isolation of antenna units
Increasing the height of the isolation strips between the antenna elements can also reduce the mutual coupling strength, but if the height is too high, it will affect the beam shape of the antenna and deteriorate the cross-polarization level of the antenna

Method used

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  • Antennas, mimo antennas and isolation strips for reducing mutual coupling energy of antennas
  • Antennas, mimo antennas and isolation strips for reducing mutual coupling energy of antennas
  • Antennas, mimo antennas and isolation strips for reducing mutual coupling energy of antennas

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Embodiment Construction

[0024] The present invention will be described in detail below in conjunction with the drawings and embodiments.

[0025] See figure 1 with figure 2 The present invention provides an antenna, which includes: an array antenna 4 composed of two or more antenna elements arranged in parallel, and a reflector 3 on which the array antenna 4 is installed. Such as figure 1 As shown, the antenna elements in the array antenna 4 can be arranged in a total of 4 columns, which are antenna elements 41 to 44, respectively, and each column of antenna elements 41 to 44 is composed of a plurality of array radiation elements 400 respectively.

[0026] Among them, each array radiation unit 400 can usually be selected as ±45° dual-polarization array radiation unit.

[0027] Specifically, between two adjacent columns of antenna elements, the specific figure 1 Spacers 1 are installed between the antenna units 41 and 42, between the antenna units 42 and 43, and between the antenna units 43 and 44, respecti...

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Abstract

The invention discloses an isolating bar for reducing antenna coupling energy. Decoupling gap units which are periodically arrayed and are capable of inhibiting coupling energy between two adjacent antenna units in an antenna array by means of the shape and size are machined on the isolating bar in the height direction. The invention further provides an antenna and an MIMO antenna. By means of the implement mode, coupling between the antenna units in the antenna working band can be reduced, and the isolation among the antenna units is improved; the isolating bar is easy to machine and low in cost and has remarkable effect.

Description

Technical field [0001] The present invention relates to the technical field of technical mobile communication base stations, in particular to an antenna, a MIMO antenna and an isolation strip for reducing the energy of mutual coupling between antennas. Background technique [0002] The main design tasks of base station antennas include beamforming, multi-frequency operation, size reduction, and design of antenna systems using advanced technologies. [0003] The currently developing 3D MIMO technology divides the original unified vertical antenna element into multiple different elements, and uses the degree of freedom in the vertical direction to further reduce inter-cell interference and enhance antenna performance. In 3D MIMO base station antennas, beamforming and size reduction have become the most important design tasks. Among them, the beamforming design is affected by the geometric layout of the array antenna, the unit spacing, the pattern of each radiating unit, and the exci...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01Q1/52
CPCH01Q1/52
Inventor 赵伟高卓锋姚想喜王文兰刘木林
Owner TONGYU COMM INC
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