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A base station combined antenna with coupling suppression for 4G and 5G communication

A technology of combining antennas and base stations, applied in the field of combined antennas of base stations and massive MIMO antennas, can solve the problems of the overall performance of the antennas, the short distance of the antenna units, and the large coupling of the antenna units, so as to achieve simple production, mutual coupling suppression, and improved isolation. degree of effect

Active Publication Date: 2020-04-14
BEIHANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, due to the low profile requirements of the current Massive MIMO base station antennas, the distance between the antenna units is often relatively close, which also leads to large coupling between the antenna units, which will affect the overall performance of the antenna.

Method used

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  • A base station combined antenna with coupling suppression for 4G and 5G communication
  • A base station combined antenna with coupling suppression for 4G and 5G communication
  • A base station combined antenna with coupling suppression for 4G and 5G communication

Examples

Experimental program
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Effect test

Embodiment 1

[0059] The copper-clad configuration of embodiment 1 has a copper-clad thickness of 0.035mm, and the dimensions of the antenna are as follows:

[0060] a 0 =344mm, b 0 =250mm, c 0 =63mm;

[0061] a 1 =20mm,b 1 =20mm, c 1 = 0.8mm, r 1 = 15mm;

[0062] a 2 =0.4mm;

[0063] a 21 =1.2mm, c 2 =63mm, r 11 =0.35mm;

[0064] a 22 =1.2mm, b 22 =0.7mm;

[0065] a 23 =1.2mm, b 23 =0.7mm;

[0066] a 3 =200mm, b 3 =200mm, c 3 = 0.8mm, r 2 =82mm;

[0067] a 4 = 2 mm, c 4 =18mm;

[0068] a 41 =5mm,b 41 = 1.5mm, r 21 =67mm, r 22 = 1.5mm;

[0069] a 42 =5mm,b 42 = 1.5mm;

[0070] a 43 = 5mm;

[0071] a 44 =12.5mm;

[0072] a 5 =21.5mm, b 5 =31.25mm;

[0073] a 6 =107.5mm, b 6=31.25mm;

[0074] a 7 =43mm,b 7 =62.5mm;

[0075] d = 61.5mm.

[0076] Loaded inductance value: 1.8nH.

[0077] The performance evaluation of Embodiment 1 is performed by using S parameters: the dotted line in the figure represents the traditional antenna, and the solid lin...

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Abstract

The invention provides a base station combined antenna having a coupling inhibition function and used for 4G and 5G communication. The combined antenna comprises sixteen high-frequency antenna units,a low-frequency antenna unit, eight inductors and a metal bottom plate; each high-frequency antenna unit is composed of two antenna units which are vertically placed; the low-frequency antenna unit iscomposed of two annular antenna units which are vertically placed, a gap is cut in an antenna branch of the low-frequency antenna unit, and the inductors are arranged at the gap; the metal bottom plate is tightly attached to the bottom of an antenna shell, the sixteen high-frequency antenna units are arranged on the metal bottom plate and are located on the same horizontal plane, a 4*4 matrix isformed, and the low-frequency antenna unit is located on the high-frequency antenna units and located right above the center of the plate. According to the combined antenna, the electromagnetic compatibility of the combined base station antenna is enhanced, the base station combined antenna can be used in the transition stage of 4G communication and 5G communication, the isolation degree between the two kinds of antennas can be improved, and the mutual coupling can be effectively inhibited; the shape of the antenna does not need to be changed thoroughly; the combined antenna is easy to manufacture.

Description

technical field [0001] The invention relates to a base station combination antenna for 4G and 5G communication with coupling suppression, and relates to a combination antenna, more particularly, it refers to a massive MIMO antenna for base station transmission and reception, and its frequency band is available In 4G and 5G communication. The coupling suppression method of the present invention is applicable to the coupling between different frequency antennas in this type of antenna. Background technique [0002] With the popularization of wireless communication technology and the growth of people's demand for higher communication rates, the demand for communication in 2020 may reach 1000 times that of the current society. Therefore, the fifth-generation mobile communication technology (5G), which can greatly improve system capacity, spectrum and energy efficiency, emerged at the historic moment, and quickly attracted widespread attention. 5G is considered to be an evolutio...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01Q21/24H01Q1/52
CPCH01Q1/523H01Q21/24
Inventor 吴琦
Owner BEIHANG UNIV