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High-isolation double-unit MIMO (multiple input multiple output) antenna array

A high isolation, array antenna technology, applied in the field of MIMO antennas, to achieve the effect of simple implementation, good bandwidth characteristics, and improved isolation

Inactive Publication Date: 2012-12-19
GUILIN UNIV OF ELECTRONIC TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Finding how to compromise the isolation and bandwidth performance between antenna elements, that is, to improve the isolation while ensuring the working frequency band and have a small impact on the return loss, is impossible when designing MIMO antennas with multi-band and broadband characteristics. evasion problem

Method used

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  • High-isolation double-unit MIMO (multiple input multiple output) antenna array

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Embodiment Construction

[0037]The present invention will be described in further detail below in conjunction with the accompanying drawings. Because there are 2 antenna elements in the present invention, that is, the first antenna element 15a and the second antenna element 15b; 2 isolation slots, that is, the first isolation slot 17a and the second isolation slot 17b; shape radiating unit 18a and the second type of C-shaped radiating unit 18b, and the first type of C-shaped radiating unit 18a includes a first branch 181a, a second branch 182a, a third branch 183a and a fourth branch 184a, and the second The C-like radiation unit 18b includes a first branch 181b, a second branch 182b, a third branch 183b and a fourth branch 184b; two inverted L-shaped radiation units are the first inverted L-shaped radiation unit 19a and the second inverted L-shaped radiation unit. The L-shaped radiation unit 19b, and the first inverted L-shaped radiation unit 19a includes a horizontal branch 191a and a vertical branc...

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Abstract

The invention discloses a high-isolation double-unit MIMO (multiple input multiple output) antenna array which is characterized in that: two independent resonant modes are produced through two C-like radiating units and two inverted-L-shaped radiating units printed on the front and back surfaces of a dielectric substrate, and used for controlling the double frequency characteristics of an antenna; and on the premise of realizing double-frequency coverage, a decoupling structure is formed on an additional floor unit printed on the front surface of the dielectric substrate and an isolation groove formed on a floor, so that the isolation between antenna units in a multi-frequency range is improved, and the bandwidth performance of dual-frequency operation is ensured.

Description

technical field [0001] The invention relates to a MIMO antenna, in particular to a high-isolation dual-element MIMO array antenna. Background technique [0002] The advent of the information age declares that the timely delivery of information, fast interaction, and effective transmission have become an indispensable part of our daily life and work. With the continuous development of various wireless communication services and broadband data services, more stringent requirements are placed on the high speed and effectiveness of data transmission. Various communication services are interleaved and parallel, and the occupation and competition of wireless resources make the current scarce spectrum resources more and more tense. How to use these limited communication resources more efficiently has become one of the urgent problems to be solved in wireless communication. Studies have shown that using MIMO (Multiple Input and Multiple Output), that is, multiple input and multiple...

Claims

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Application Information

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IPC IPC(8): H01Q1/38H01Q1/48H01Q1/52H01Q5/01H01Q21/28H01Q5/10
Inventor 肖海林胡振欧阳缮易钊
Owner GUILIN UNIV OF ELECTRONIC TECH
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