WO2020134357A1 - Mimo天线及终端 - Google Patents

Mimo天线及终端 Download PDF

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Publication number
WO2020134357A1
WO2020134357A1 PCT/CN2019/110742 CN2019110742W WO2020134357A1 WO 2020134357 A1 WO2020134357 A1 WO 2020134357A1 CN 2019110742 W CN2019110742 W CN 2019110742W WO 2020134357 A1 WO2020134357 A1 WO 2020134357A1
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WIPO (PCT)
Prior art keywords
antenna
mimo antenna
section
mimo
radiating section
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Ceased
Application number
PCT/CN2019/110742
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English (en)
French (fr)
Inventor
梁悦
王建安
陈勇利
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AAC Technologies Holdings Shenzhen Co Ltd
AAC Technologies Pte Ltd
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AAC Acoustic Technologies Shenzhen Co Ltd
AAC Technologies Pte Ltd
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Publication of WO2020134357A1 publication Critical patent/WO2020134357A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/007—Details of, or arrangements associated with, antennas specially adapted for indoor communication
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/2283—Supports; Mounting means by structural association with other equipment or articles mounted in or on the surface of a semiconductor substrate as a chip-type antenna or integrated with other components into an IC package
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
    • H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
    • H01Q1/243—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use with built-in antennas
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
    • H01Q1/246—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for base stations
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/48—Earthing means; Earth screens; Counterpoises
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
    • H01Q21/061—Two dimensional planar arrays
    • H01Q21/064—Two dimensional planar arrays using horn or slot aerials
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
    • H01Q21/061—Two dimensional planar arrays
    • H01Q21/065—Patch antenna array
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
    • H01Q21/20—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a curvilinear path
    • H01Q21/205—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a curvilinear path providing an omnidirectional coverage
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/28—Combinations of substantially independent non-interacting antenna units or systems
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/30—Combinations of separate antenna units operating in different wavebands and connected to a common feeder system
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/30—Arrangements for providing operation on different wavebands
    • H01Q5/378—Combination of fed elements with parasitic elements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/30—Resonant antennas with feed to end of elongated active element, e.g. unipole
    • H01Q9/42—Resonant antennas with feed to end of elongated active element, e.g. unipole with folded element, the folded parts being spaced apart a small fraction of the operating wavelength
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems

Definitions

  • the invention relates to the technical field of wireless communication, in particular to a MIMO antenna and terminal.
  • the relevant 5G frequency bands have been basically determined, and the Ministry of Industry and Information Technology of China has issued a notice on the use of the Sub-6GHz frequency band (3300-3600MHz and 4800-5000MHz frequency band) for the fifth generation mobile communication system.
  • 5G ultra-dense networking will be the main technical means to meet the demand for mobile data traffic in 2020 and in the future. Typical application scenarios of ultra-dense networking include areas such as offices, stadiums, subways, and underground parking lots. 5G ultra-dense networking will greatly increase the number of indoor small base stations. At the same time, the 5G communication system has higher requirements on the data transmission rate. One of the means to increase the data transmission rate is to further increase the number of antennas included in a single base station on the base station side.
  • MIMO Multiple-Input Multiple-Output
  • 5G antennas The difficulty of MIMO antenna design lies in how to realize the integration of multiple antenna components in a limited space and obtain a high degree of isolation.
  • the MIMO antenna layout mainly adopts a linear layout. In order to reduce the overall size, the layout between the antenna components is compact, the relative distance is close, the coupling between the antenna components is strong, and the isolation is poor.
  • An object of the present invention is to provide a MIMO antenna and terminal with a small size and good isolation between antenna components.
  • a MIMO antenna characterized in that it includes a regular octagonal substrate and eight antenna components of the same structure arranged along eight sides of the regular octagonal substrate, and the eight antenna components are in a ring shape Array distribution.
  • the MIMO antenna further includes a system ground covering the surface of the regular octagonal substrate, and each antenna assembly includes a clearance area opened in the system ground and a radiator accommodated in the clearance area.
  • the clearance area includes a first groove area and a second groove area communicating with each other, the radiator is accommodated in the first groove area, and the first groove area is systematically enclosed with the radiator
  • the shapes of the radiators are complementary, and the second groove area divides the edge of the system ground into two spaced parts.
  • the radiator includes a first radiating section extending perpendicularly to the side of the regular octagonal substrate adjacent thereto, and a first section extending from the end of the first radiating section close to the side and extending parallel to the side Two radiation sections, the first radiation section and the second radiation section forming an "L"-shaped structure;
  • the system surrounding the first groove area includes systematically located on both sides of the second radiation section A parallel spaced first portion and second portion of the two radiating sections and a third portion connecting the first portion and the second portion, the second portion is adjacent to the side;
  • the second groove area is provided in the A side of the first radiating section facing away from the second radiating section to open an end of the second section adjacent to the first radiating section.
  • the MIMO antenna is an FPC antenna or a PCB printed antenna.
  • the MIMO antenna works in the frequency band of 3300-5000MHz.
  • the present invention also provides a terminal, including the MIMO antenna described above.
  • the eight antenna components of the MIMO antenna provided by the present invention are distributed in a ring array, which greatly reduces the area occupied by the MIMO antenna in the terminal, and at the same time, the isolation between the antenna components is good and the form Simple, with high bandwidth.
  • FIG. 1 is a schematic structural diagram of a MIMO antenna provided by the present invention.
  • FIG. 2 is an enlarged view of area A shown in FIG. 1;
  • 3 is a graph of the reflection coefficient of a single antenna component in the MIMO antenna provided by the present invention.
  • FIG. 4 is an antenna isolation curve between the first antenna component and other antenna components in the MIMO antenna provided by the present invention.
  • an embodiment of the present invention provides a MIMO antenna 100.
  • the MIMO antenna 100 may be applied to terminals such as small base stations, which is not limited by the present invention.
  • the working frequency band of the MIMO antenna 100 includes 3300-5000MHz, covering the entire domestic Sub6G frequency band.
  • the MIMO antenna may also work in other frequency bands.
  • the MIMO antenna is an FPC antenna or a PCB printed antenna, the manufacturing process is simple, and it is easy to realize industrial production.
  • the MIMO antenna 100 includes a regular octagonal substrate, eight antenna assemblies 20 of the same structure arranged along the eight sides of the regular octagonal substrate, and a systematic ground 30 covering the surface of the regular octagonal substrate.
  • the antenna components 20 are distributed in a circular array, that is, each side of the regular octagonal substrate is provided with one antenna component 20, so that the antenna component 20 is compactly arranged, and the area occupied in the terminal is greatly reduced, while ,
  • the substrate is made of regular octagon, which saves material.
  • the system ground 30 is a metal layer laid on the surface of the regular octagonal substrate.
  • the eight antenna components 20 are defined as a first antenna component 210, a second antenna component 220, a third antenna component 230, and a fourth antenna component in a clockwise direction. 240, a fifth antenna component 250, a sixth antenna component 260, a seventh antenna component 270, and an eighth antenna component 280.
  • Each antenna assembly 20 includes a clearance area 21 opened in the system ground 30 and a radiator 22 accommodated in the clearance area 21.
  • the radiator 22 is used to radiate electromagnetic waves outward.
  • the clearance area 21 includes a first groove area 211 and a second groove area 212 connected to each other.
  • the radiator 22 is accommodated in the first groove area 211 and surrounds the system area of the first groove area 211 310 is complementary to the shape of the radiator 22; the second groove 212 divides the edge of the system ground 30 into two spaced parts.
  • the radiator 22 includes a first radiating section 221 vertically extending toward an edge of the regular octagonal substrate adjacent thereto, and a first extending section parallel to the side from an end of the first radiating section 221 near the side
  • Two radiating sections 222, the first radiating section 221 and the second radiating section 222 form an "L"-shaped structure;
  • the systematic ground 310 surrounding the first groove area 211 includes two located in the second radiating section 222 And the third portion 33 connecting the first portion 31 and the second portion 32, and the second portion 32 is adjacent
  • the second groove area 212 is disposed on a side of the first radiation section 221 facing away from the second radiation section 222 to open the end of the second portion 32 adjacent to the first radiation section 221 .
  • FIG. 3 is a graph of a reflection coefficient curve of a single antenna component in a MIMO antenna provided by the present invention, where curve I is the first antenna component 210, the second antenna component 220, and the third antenna The reflection coefficient curves of the component 230, the fourth antenna component 240, the fifth antenna component 250, the sixth antenna component 260, and the eighth antenna component 280, the reflection coefficient curves of the above seven antenna components remain the same
  • the curve II is the reflection coefficient curve of the seventh antenna component 270.
  • the reflection coefficient of each antenna component is basically the same, and can cover the Sub 6G frequency band (3300-5000MHz).
  • FIG. 4 is an antenna isolation curve of the first antenna component 210 and other antenna components in the MIMO antenna 100 provided by the present invention, where curve I is the first antenna component 210 and the second antenna component
  • the antenna isolation curve of 220 the curve II is the antenna isolation curve of the first antenna assembly 210 and the third antenna assembly 230
  • the curve III is the curve of the first antenna assembly 210 and the eighth antenna assembly 280
  • Antenna isolation curve and the antenna isolation of the first antenna component 210 and the fourth antenna component 240, the fifth antenna component 250, the sixth antenna component 260, and the seventh antenna component 270
  • the curve coincides with curve III.
  • the isolation between any two antenna components is above 12 dB, indicating that the antenna components in the MIMO antenna 100 have excellent isolation performance.
  • the present invention also provides a terminal including the technical features of the MIMO antenna 100 described above.
  • the terminal is a small base station, and the small base station supports 4T4R.
  • the eight antenna components 20 of the MIMO antenna 100 provided by the present invention are distributed in a ring array, so that the area occupied by the MIMO antenna 100 in the terminal is greatly reduced, and the isolation between the antenna components is good , And the form is simple, with high bandwidth.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Details Of Aerials (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)

Abstract

本发明提供了一种MIMO天线。所述MIMO天线包括正八边形基板和沿沿所述正八边形基板的八条边设置的结构相同的八个天线组件，八个所述天线组件呈环形阵列分布。本发明还提供一种应用所述MIMO天线的终端。本发明提供的MIMO天线中八个天线组件采用环形阵列分布，使得MIMO天线在终端内所占用的面积大幅减小，同时各天线组件之间隔离度良好，并且形式简单，具有较高的带宽。

Description

MIMO天线及终端 技术领域
本发明涉及无线通信技术领域，尤其涉及一种MIMO天线及终端。
 背景技术
随着5G标准的讨论逐步进行，5G相关频段已基本确定，中国工业和信息化部已发布了关于第五代移动通信系统使用Sub-6GHz频段（3300-3600MHz以及4800-5000MHz频段）的通知。
5G超密集组网将是满足2020年以及未来移动数据流量需求的主要技术手段。超密集组网的典型应用场景包括办公室、体育场、地铁、地下停车场等区域，5G超密集组网使得室内小基站数量需求会大幅增加。同时5G通信系统对数据传输速率有更高的要求，其中一个提高数据传输速率的手段是将基站端单个基站包含的天线数量进一步增加。
多输入多输出(MIMO: Multiple-Input Multiple-Output)技术是5G天线的核心技术，MIMO天线设计的难点在于如何实现在有限的空间里集成多个天线组件，并且获得较高的隔离度。相关技术中，MIMO天线布局主要采用线性布局，为减小整体尺寸，天线组件之间布局紧凑，相对距离近，各天线组件之间耦合强，隔离度差。
因此，实有必要提供一种新的MIMO天线及终端以解决上述问题。
 技术问题
本发明的目的在于提供一种尺寸小，天线组件之间隔离度良好的MIMO天线及终端。
 技术解决方案
本发明的技术方案如下：一种MIMO天线，其特征在于，包括正八边形基板和沿所述正八边形基板的八条边设置的结构相同的八个天线组件，八个所述天线组件呈环形阵列分布。
优选的，所述MIMO天线还包括覆于所述正八边形基板表面的系统地，每个天线组件包括开设于所述系统地的净空区及收容于所述净空区的辐射体。
优选的，所述净空区包括相连通的第一槽区和第二槽区，所述辐射体收容于所述第一槽区内，且围成所述第一槽区的系统地与所述辐射体的形状互补，所述第二槽区将所述系统地的边沿分割成间隔的两部分。
优选的，所述辐射体包括向其临近的所述正八边形基板的边垂直延伸的第一辐射段和自所述第一辐射段靠近所述边的一端沿平行于所述边延伸的第二辐射段，所述第一辐射段和所述第二辐射段形成“L”形结构；围成所述第一槽区的系统地包括位于所述第二辐射段两侧且与所述第二辐射段平行间隔的第一部和第二部以及连接所述第一部和所述第二部的第三部，所述第二部临近所述边；所述第二槽区设于所述第一辐射段的背离所述第二辐射段的一侧以使所述第二部的临近第一辐射段的一端开路。
优选的，所述MIMO天线为FPC天线或PCB印刷天线。
优选的，所述MIMO天线工作于3300-5000MHz频段。
本发明还提供一种终端，包括上文所述的MIMO天线。
 有益效果
与相关技术相比，本发明提供的MIMO天线中八个天线组件采用环形阵列分布，使得所述MIMO天线在终端内所占用的面积大幅减小，同时各天线组件之间隔离度良好，并且形式简单，具有较高的带宽。
 附图说明
图1为本发明提供的MIMO天线的结构示意图；
图2为图1所示的A区域的放大图；
图3为本发明提供的MIMO天线中单个天线组件的反射系数曲线图；
图4为本发明提供的MIMO天线中第一天线组件与其他天线组件的天线隔离度曲线。
 本发明的实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部份实施例，而不是全部的实施例。
如图1至图2所示，本发明实施例提供一种MIMO天线100，所述MIMO天线100可应用于小基站等终端，本发明对此不作限定。
在本实施方式中，所述MIMO天线100的工作频段包括3300-5000MHz，覆盖整个国内Sub6G频段。在其他实施方式中，所述MIMO天线还可以工作于其他频段。
进一步的，所述MIMO天线为FPC天线或PCB印刷天线，制作工艺简单，易于实现工业化生产。
所述MIMO天线100包括正八边形基板、沿所述正八边形基板的八条边设置的结构相同的八个天线组件20以及覆于所述正八边形基板表面的系统地30，八个所述天线组件20呈环形阵列分布，即所述正八边形基板的每一条边均设有一个所述天线组件20，使得所述天线组件20排列紧凑，在终端内所占用的面积大幅减小，同时，基板采用正八边形制作，节省了材料。所述系统地30为铺设于所述正八边形基板表面的金属层。
具体的，为更清楚的说明本发明的内容，将八个所述天线组件20沿顺时针方向依次定义为第一天线组件210、第二天线组件220、第三天线组件230、第四天线组件240、第五天线组件250、第六天线组件260、第七天线组件270及第八天线组件280。
每个所述天线组件20包括开设于所述系统地30的净空区21及收容于所述净空区21的辐射体22。所述辐射体22用于向外辐射电磁波。
所述净空区21包括相连通的第一槽区211和第二槽区212，所述辐射体22收容于所述第一槽区211内，且围成所述第一槽区211的系统地310与所述辐射体22的形状互补；所述第二槽区212将所述系统地30的边沿分割成间隔的两部分。
所述辐射体22包括向其临近的所述正八边形基板的边垂直延伸的第一辐射段221和自所述第一辐射段221靠近所述边的一端沿平行于所述边延伸的第二辐射段222，所述第一辐射段221和所述第二辐射段222形成“L”形结构；围成所述第一槽区211的系统地310包括位于所述第二辐射段222两侧且与所述第二辐射段222平行间隔的第一部31和第二部32以及连接所述第一部31和所述第二部32的第三部33，所述第二部32临近所述边；所述第二槽区212设于所述第一辐射段221的背离所述第二辐射段222的一侧以使所述第二部32的临近第一辐射段221的一端开路。
如图3所示，图3为本发明提供的MIMO天线中单个天线组件的反射系数曲线图，其中曲线I为所述第一天线组件210、所述第二天线组件220、所述第三天线组件230、所述第四天线组件240、所述第五天线组件250、所述第六天线组件260及所述第八天线组件280的反射系数曲线，上述七个天线组件的反射系数曲线保持一致，曲线II为所述第七天线组件270的反射系数曲线，由图3可知，各个天线组件的反射系数基本保持一致，均可覆盖Sub 6G频段（3300-5000MHz）。
如图4所示，图4为本发明提供的MIMO天线100中第一天线组件210与其他天线组件的天线隔离度曲线，其中曲线I为所述第一天线组件210与所述第二天线组件220的天线隔离度曲线，曲线II为所述第一天线组件210与所述第三天线组件230的天线隔离度曲线，曲线III为所述第一天线组件210与所述第八天线组件280的天线隔离度曲线，并且所述第一天线组件210与所述第四天线组件240、所述第五天线组件250、所述第六天线组件260及所述第七天线组件270的天线隔离度曲线与曲线III重合。由图4可知，在整个工作频段（3300-5000MHz）内，任意两个天线组件间的隔离度在12dB以上，说明所述MIMO天线100中天线组件间具有优良的隔离性能。
本发明还提供一种终端，所述终端包括上文所述的MIMO天线100的技术特征，当然应用该MIMO天线100同样具有上述技术效果。优选的，所述终端为小基站，该小基站支持4T4R。
与相关技术相比，本发明提供的MIMO天线100中八个天线组件20采用环形阵列分布，使得所述MIMO天线100在终端内所占用的面积大幅减小，同时各天线组件之间隔离度良好，并且形式简单，具有较高的带宽。
以上所述仅为本发明的实施例，并非因此限制本发明的专利范围，凡是利用本发明说明书及附图内容所作的等效结构或等效流程变换，或直接或间接运用在其它相关的技术领域，均同理包括在本发明的专利保护范围内。

Claims (7)

  1. 一种MIMO天线，其特征在于，包括正八边形基板和沿所述正八边形基板的八条边设置的结构相同的八个天线组件，八个所述天线组件呈环形阵列分布。
  2. 根据权利要求1所述的MIMO天线，其特征在于，所述MIMO天线还包括覆于所述正八边形基板表面的系统地，每个天线组件包括开设于所述系统地的净空区及收容于所述净空区的辐射体。
  3. 据权利要求2所述的MIMO天线，其特征在于，所述净空区包括相连通的第一槽区和第二槽区，所述辐射体收容于所述第一槽区内，且围成所述第一槽区的系统地与所述辐射体的形状互补，所述第二槽区将所述系统地的边沿分割成间隔的两部分。
  4. 据权利要求3所述的MIMO天线，其特征在于，所述辐射体包括向其临近的所述正八边形基板的边垂直延伸的第一辐射段和自所述第一辐射段靠近所述边的一端沿平行于所述边延伸的第二辐射段，所述第一辐射段和所述第二辐射段形成“L”形结构；围成所述第一槽区的系统地包括位于所述第二辐射段两侧且与所述第二辐射段平行间隔的第一部和第二部以及连接所述第一部和所述第二部的第三部，所述第二部临近所述边；所述第二槽区设于所述第一辐射段的背离所述第二辐射段的一侧以使所述第二部的临近第一辐射段的一端开路。
  5. 根据权利要求1所述的MIMO天线，其特征在于，所述MIMO天线为FPC天线或PCB印刷天线。
  6. 根据权利要求1所述的MIMO天线，其特征在于，所述MIMO天线工作于3300-5000MHz频段。
  7. 一种终端，其特征在于，包括权利要求1-6任一项所述的MIMO天线。
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