A dual-frequency high-isolation mobile phone mimo antenna based on mode orthogonality

A high-isolation, mode-based technology, applied in antennas, antenna couplings, antenna grounding devices, etc., can solve the problems of large space occupation, low channel capacity, and single coverage frequency band, and achieve large space occupation, small volume, and guaranteed channel The effect of capacity

Active Publication Date: 2021-07-27
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The technical problem to be solved by the present invention is to provide a dual-frequency high-isolation mobile phone MIMO antenna based on mode orthogonality for the defects involved in the background technology, and to realize high-isolation MIMO by utilizing the orthogonality of the radiation modes of the antenna elements Antenna technology, at the same time solve the problem that the existing antenna cannot cover the 5G frequency bands of the three major operators at the same time, resulting in a single coverage frequency band or setting up multiple antennas resulting in large space occupation and low channel capacity

Method used

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  • A dual-frequency high-isolation mobile phone mimo antenna based on mode orthogonality
  • A dual-frequency high-isolation mobile phone mimo antenna based on mode orthogonality
  • A dual-frequency high-isolation mobile phone mimo antenna based on mode orthogonality

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Embodiment Construction

[0036] Below in conjunction with accompanying drawing, technical scheme of the present invention is described in further detail:

[0037] This invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. In the drawings, components are exaggerated for clarity.

[0038] Such as figure 1 , figure 2 , image 3 , Figure 4 As shown, the present invention discloses a dual-frequency high-isolation mobile phone MIMO antenna based on mode orthogonality, including a dielectric substrate, a first dielectric board, a second dielectric board, a first antenna module, and a second antenna module;

[0039] The medium substrate, the first medium plate, and the second medium plate are all rectangular plates, wherein a metal floor is printed on the center ...

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Abstract

The invention discloses a dual-frequency high-isolation mobile phone MIMO antenna based on mode orthogonality, which includes a dielectric substrate, two dielectric boards, a first antenna module and a second antenna module; the antenna module is composed of a radiation unit and a decoupling structure; The metal floor is printed on the back of the dielectric substrate; the radiation unit is composed of two radiation branches printed on both sides of the metal floor, and printed on the inner side of two dielectric plates; the decoupling structure is composed of two branches to reduce the coupling degree of the two resonance points. The structure of the antenna provided by this application achieves dual frequency bands through different resonant branches of the antenna, covering 3.4GHz-3.5GHz of the telecom 5G frequency band, 3.5GHz-3.6GHz of the China Unicom 5G frequency band, and 4.8GHz-4.9GHz of the mobile 5G frequency band, very good It solves the problem of covering the 5G signals of the three major domestic operators. And the application of the mode orthogonal decoupling method in dual frequency is verified.

Description

technical field [0001] The invention relates to the technical field of antennas, in particular to a dual-frequency high-isolation mobile phone MIMO antenna based on mode orthogonality. Background technique [0002] In recent years, with the rapid development of wireless communication and the continuous improvement of communication system capacity, the electromagnetic wave propagation environment has become more and more complex. With the improvement of people's quality of life, higher requirements are put forward for wireless mobile communication systems and mobile phones. Different from the traditional communication system, in the MIMO system including space diversity and space multiplexing, multipath effect has become a favorable condition, not only can be used to improve the information transmission rate, in addition, the MIMO system can also use space diversity technology to Ensure the reliability of information transmission. [0003] The fifth generation (5G) mobile c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01Q1/36H01Q1/48H01Q1/52H01Q5/20
CPCH01Q1/36H01Q1/48H01Q1/52H01Q5/20
Inventor 钱昊顾长青赵兴
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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