WO2012097623A2 - Antenna and terminal - Google Patents

Antenna and terminal Download PDF

Info

Publication number
WO2012097623A2
WO2012097623A2 PCT/CN2011/081506 CN2011081506W WO2012097623A2 WO 2012097623 A2 WO2012097623 A2 WO 2012097623A2 CN 2011081506 W CN2011081506 W CN 2011081506W WO 2012097623 A2 WO2012097623 A2 WO 2012097623A2
Authority
WO
WIPO (PCT)
Prior art keywords
antenna
grounding unit
grounding
antennas
ground
Prior art date
Application number
PCT/CN2011/081506
Other languages
French (fr)
Chinese (zh)
Other versions
WO2012097623A3 (en
Inventor
范毅
兰尧
孙树辉
Original Assignee
华为终端有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 华为终端有限公司 filed Critical 华为终端有限公司
Priority to CN2011800025639A priority Critical patent/CN102576932A/en
Priority to PCT/CN2011/081506 priority patent/WO2012097623A2/en
Publication of WO2012097623A2 publication Critical patent/WO2012097623A2/en
Publication of WO2012097623A3 publication Critical patent/WO2012097623A3/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
    • H01Q1/521—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to an antenna and a terminal. Background technique
  • the correlation coefficient which increases the design difficulty of the data card wideband MIMO (Multiple-Input Multiple-Out-put) antenna.
  • the MIM0 antenna of the WIFI band of the data card is usually composed of two far-reaching monopole antennas, and the two are extended as much as possible in a limited space.
  • an embodiment of the present invention provides an antenna and a terminal.
  • the technical solution is as follows:
  • the antenna includes: a first antenna, a grounding unit, a grounding wire, and a second antenna; the grounding unit is located at the first antenna and the second antenna And the grounding unit is not in contact with the first antenna and the second antenna, one end of the grounding unit is connected to the grounding wire, the grounding unit is a symmetrical structure, and the grounding unit The axis of symmetry is perpendicular to the ground line, and the first antenna and the second antenna are respectively connected to the ground through respective feeding ports.
  • a terminal in another aspect, includes: an antenna, where the antenna includes: a first antenna, a grounding unit, a ground line, and a second antenna;
  • the grounding unit is located between the first antenna and the second antenna, and the grounding unit is not in contact with the first antenna and the second antenna, and one end of the grounding unit and the ground Connected to the line, the grounding unit is of a symmetrical structure, and the axis of symmetry of the grounding unit is perpendicular to the ground line, and the first antenna and the second antenna are respectively connected to the ground through respective feeding ports .
  • the technical solution provided by the embodiment of the present invention has the beneficial effects of: using two antennas in a small space, and adding a symmetric ground structure between the two antennas to isolate the two antennas, so that the directions of the two antennas are complementary. Good performance, improved isolation and correlation coefficient between antennas, reducing the difficulty of antenna development.
  • FIG. 1 is a schematic diagram of an antenna according to an embodiment of the present invention.
  • FIG. 2 is a schematic diagram of an antenna according to another embodiment of the present invention. detailed description
  • an embodiment of the present invention provides an antenna, including: a first antenna 101, a grounding unit 102, a ground line 103, and a second antenna 104.
  • the first antenna 101 and the second antenna 104 are within a preset range, the grounding unit 102 is located between the first antenna 101 and the second antenna 104, and the grounding unit 102 is not in contact with the first antenna 101 and the second antenna 104.
  • One end of the grounding unit 102 is connected to the ground line 103.
  • the grounding unit 102 has a symmetrical structure, and the axis of symmetry of the grounding unit 102 Vertically to the ground line, the first antenna and the second antenna are respectively connected to the ground through respective feed ports 1 and feed ports 2.
  • the preset range means that the two antennas can be as close as possible in a limited space, and there is no need to be far apart.
  • the grounding unit 102 is made of a metal material, and the grounding unit is made of copper.
  • the material of the grounding unit may also be other metal materials, such as steel, which is not specifically limited in this embodiment.
  • the shape of the grounding unit includes: a T-type ground structure, an M-type ground structure, or a W-type ground structure.
  • Other grounding structures are also possible, which are not specifically limited in this embodiment.
  • the first antenna and the second antenna are both monopole antennas, and may of course be of other types.
  • the antenna is not specifically limited in this embodiment.
  • the isolation refers to the ratio of the signal transmitted by one antenna to the signal transmitted by the other antenna and the transmitted antenna signal. The greater the isolation, the better the reception performance between the two antennas.
  • the correlation coefficient is an amount that measures the degree of linear correlation between the two variables.
  • the correlation coefficient in this embodiment is an amount that measures the degree of closeness between the two antennas.
  • the first antenna and the second antenna serve as input antennas when receiving signals, and serve as output antennas when transmitting signals, that is, the first antenna and the second antenna may be either an input antenna or an output antenna.
  • the embodiment is not specifically limited.
  • an embodiment of the present invention provides an antenna for a WIFI frequency band of a data card.
  • the specific antenna includes: a Monopole antenna 1, a Monopole antenna 2, a T-type ground structure 3, and a ground. Line 4, Feed Port 1 and Feed Port 2.
  • the T-type ground structure 3 is located between the Monopole antenna 1 and the Monopole antenna 2, and the T-type ground structure 3 is not in phase with the Monopole antenna 1 and the Monopole antenna 2
  • One end of the T-type grounding structure 3 is connected to the grounding wire 4.
  • One end of the feeding port 1 is connected to the Monopole antenna 1 and the other end is connected to the grounding wire 4.
  • one end of the feeding port 2 is connected to the Monopole antenna 2, and One end is connected to the ground line 4.
  • the T-type ground structure 3 is the ground unit in the above embodiment, and the T-type ground structure is a symmetrical structure, and as shown in Fig. 2, the symmetry axis of the T-type ground structure is perpendicular to the ground.
  • the T-type ground structure 3 can be between the Monopole antenna 1 and the Monopole antenna 2, or can be biased toward the Monopole antenna 1 or the Monopole antenna 2, and the T-type ground structure 3 can be located between the Monopole antenna 1 and the Monopole antenna 2. Either position, but the T-type grounding structure 3 cannot be in contact with the Monopole antenna 1 and the Monopole antenna 2.
  • two Monopole antennas are respectively connected to corresponding feeding ports, where the feeding port functions as a connection, and the signal received by the Monopole antenna is sent to the circuit through the feeding port, and the signal output from the circuit is outputted from the circuit. It is sent to the Monopole antenna through the feed port.
  • the Monopole antenna 1 and the Monopole antenna 2 serve as input antennas when receiving signals, and serve as output antennas when transmitting signals, that is, the Monopole antenna 1 and the Monopole antenna 2 can be either an input antenna or an output antenna.
  • the embodiment is not specifically limited.
  • the T-type grounding structure is a copper foil, and one end of the copper foil is connected to the ground wire to achieve the purpose of grounding.
  • the two nearby Monopole antennas are separated by a T-type grounding structure, and finally two A complementary direction pattern, in which the pattern of one antenna is biased to the left in the horizontal direction, and the pattern of the other antenna is biased to the right in the horizontal direction.
  • the two figures add up to be a circular antenna pattern, thereby improving the isolation of the antenna. And efficiency.
  • An embodiment of the present invention provides a terminal, where the terminal includes an antenna, where the antenna includes: a first antenna, a grounding unit, a ground line, and a second antenna;
  • the grounding unit is located between the first antenna and the second antenna, and the grounding unit is not in contact with the first antenna and the second antenna, and one end of the grounding unit and the ground Connected to the line, the grounding unit is of a symmetrical structure, and the axis of symmetry of the grounding unit is perpendicular to the ground line, and the first antenna and the second antenna are respectively connected to the ground through respective feeding ports .
  • the grounding unit is made of a metal material.
  • the material of the grounding unit includes: copper or steel.
  • the shape of the grounding unit comprises: a T-type ground structure, an M-type ground structure or a W-type ground structure.
  • the first antenna and the second antenna are both monopole antennas.
  • the terminal includes: a mobile phone, a data card, or a tablet computer, but is not limited to a mobile phone, a data card, or a tablet computer, and is not specifically limited in this embodiment.
  • the technical solution provided by the present invention has the beneficial effects of: using two antennas in a small space, and adding a symmetrical ground structure between the two antennas to isolate the two antennas, so that the directions of the two antennas are complementary. , improve the isolation and correlation coefficient between the antennas, and reduce the development difficulty of the antenna.
  • the antenna included in the terminal provided by the embodiment of the present invention may be the same as the antenna embodiment.
  • the above is only the preferred embodiment of the present invention, and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., which are within the spirit and scope of the present invention, should be included in the protection of the present invention. Within the scope.

Abstract

Provided in the embodiments of the present invention and relating to the field of communications are an antenna and a terminal, the antenna comprising: a first antenna, a grounding unit, a ground wire and a second antenna; the grounding unit is positioned between the first and the second antennae but does not contact either antenna; one end of the grounding unit is connected to the ground wire; the grounding unit is symmetrical in structure and the axis of symmetry thereof is perpendicular to the ground wire; the first and the second antennae are connected respectively to the ground wire by corresponding electrical feed ports. The present invention utilizes two antennae in a small space and provides between said two antennae a symmetrical grounding structure; the isolation of each antenna from the other provides excellent complementarity of the two antenna patterns, enhances the degree of isolation and the correlation coefficient of the two antennae, and reduces the difficulty of antenna development.

Description

一种天线和终端 技术领域  Antenna and terminal technology field
本发明涉及通信技术领域， 特别涉及一种天线和终端。 背景技术  The present invention relates to the field of communications technologies, and in particular, to an antenna and a terminal. Background technique
随着无线通信技术的发展， WIF说I (Wireless Fidelity, 无线保真） 技术得到了广泛的 应用， 但是数据卡一般比较小， 具有 WIFI功能的数据卡的天线区域的有效空间相对较小， 这就使输入输出两个天线间的隔离度差和相关系数差， 但是无线通信对天线的各项性能有 越来越高的要求， 希望在有限的空间内实现 Wifi频段， 并各项指标要好， 尤其是隔离度和 书  With the development of wireless communication technology, WIF said that I (Wireless Fidelity) technology has been widely used, but the data card is generally small, and the effective space of the antenna area of the data card with WIFI function is relatively small. The difference between the isolation and the correlation coefficient between the two antennas of input and output is made, but the wireless communication has higher and higher requirements on the performance of the antenna. It is hoped that the Wifi frequency band can be realized in a limited space, and the indicators are better. Especially isolation and books
相关性系数， 这就增加了数据卡宽带 MIMO (Multiple-Input Multiple-Out-put, 多输入多 输出） 天线的设计难度。 The correlation coefficient, which increases the design difficulty of the data card wideband MIMO (Multiple-Input Multiple-Out-put) antenna.
现有技术中，为了提高数据卡 WIFI频段的 MIM0天线的隔离度和相关系数，数据卡 WIFI 频段的 MIM0天线通常使用两个较远的单极子天线构成， 在有限的空间中尽量拉大两个单极 子天线的距离， 以提高天线间的隔离度和相关系数， 此方案增加了天线的开发难度。 发明内容  In the prior art, in order to improve the isolation and correlation coefficient of the MIM0 antenna in the WIFI band of the data card, the MIM0 antenna of the WIFI band of the data card is usually composed of two far-reaching monopole antennas, and the two are extended as much as possible in a limited space. The distance between the monopole antennas to improve the isolation between the antennas and the correlation coefficient. This scheme increases the difficulty of antenna development. Summary of the invention
为了解决上述问题， 本发明实施例提供了一种天线和终端。 所述技术方案如下： 一方面， 提供了一种天线， 所述天线包括： 第一天线、 接地单元、 地线和第二天线； 所述接地单元位于所述第一天线和所述第二天线之间， 且所述接地单元不与所述第一 天线和所述第二天线相接触， 所述接地单元的一端与所述地线相连， 所述接地单元为对称 结构， 且所述接地单元的对称轴与所述地线垂直， 所述第一天线和所述第二天线分别通过 相应的馈电端口与所述地线相连。  In order to solve the above problem, an embodiment of the present invention provides an antenna and a terminal. The technical solution is as follows: In one aspect, an antenna is provided, where the antenna includes: a first antenna, a grounding unit, a grounding wire, and a second antenna; the grounding unit is located at the first antenna and the second antenna And the grounding unit is not in contact with the first antenna and the second antenna, one end of the grounding unit is connected to the grounding wire, the grounding unit is a symmetrical structure, and the grounding unit The axis of symmetry is perpendicular to the ground line, and the first antenna and the second antenna are respectively connected to the ground through respective feeding ports.
另一方面， 提供了一种终端， 所述终端包括： 天线， 所述天线包括： 第一天线、 接地 单元、 地线和第二天线；  In another aspect, a terminal is provided, where the terminal includes: an antenna, where the antenna includes: a first antenna, a grounding unit, a ground line, and a second antenna;
所述接地单元位于所述第一天线和所述第二天线之间， 且所述接地单元不与所述第一 天线和所述第二天线相接触， 所述接地单元的一端与所述地线相连， 所述接地单元为对称 结构， 且所述接地单元的对称轴与所述地线垂直， 所述第一天线和所述第二天线分别通过 相应的馈电端口与所述地线相连。 本发明实施例提供的技术方案的有益效果是： 在小空间内使用两个天线， 并在两个天 线之间加入对称的接地结构， 将两个天线隔离开， 使两个天线的方向图互补性好， 提高了 天线间的隔离度和相关系数， 降低了天线的开发难度。 附图说明 The grounding unit is located between the first antenna and the second antenna, and the grounding unit is not in contact with the first antenna and the second antenna, and one end of the grounding unit and the ground Connected to the line, the grounding unit is of a symmetrical structure, and the axis of symmetry of the grounding unit is perpendicular to the ground line, and the first antenna and the second antenna are respectively connected to the ground through respective feeding ports . The technical solution provided by the embodiment of the present invention has the beneficial effects of: using two antennas in a small space, and adding a symmetric ground structure between the two antennas to isolate the two antennas, so that the directions of the two antennas are complementary. Good performance, improved isolation and correlation coefficient between antennas, reducing the difficulty of antenna development. DRAWINGS
为了更清楚地说明本发明实施例中的技术方案， 下面将对实施例描述中所需要使用的 附图作简单地介绍， 显而易见地， 下面描述中的附图仅仅是本发明的一些实施例， 对于本 领域普通技术人员来讲， 在不付出创造性劳动的前提下， 还可以根据这些附图获得其他的 附图。  In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described. It is obvious that the drawings in the following description are only some embodiments of the present invention. Other drawings may also be obtained from those of ordinary skill in the art in view of the drawings.
图 1是本发明实施例提供的一种天线示意图；  1 is a schematic diagram of an antenna according to an embodiment of the present invention;
图 2是本发明又一实施例提供的一种天线示意图。 具体实施方式  2 is a schematic diagram of an antenna according to another embodiment of the present invention. detailed description
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分实施例， 而不是全部的实施例。 基于本 发明中的实施例， 本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实 施例， 都属于本发明保护的范围。 参见图 1， 本发明实施例提供了一种天线， 包括： 第一天线 101、 接地单元 102、 地线 103和第二天线 104。  The technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention. Referring to FIG. 1, an embodiment of the present invention provides an antenna, including: a first antenna 101, a grounding unit 102, a ground line 103, and a second antenna 104.
其中， 所述第一天线 101和所述第二天线 104相距在预设的范围内， 所述接地单元 102 位于所述第一天线 101和所述第二天线 104之间， 且所述接地单元 102不与所述第一天线 101和所述第二天线 104相接触， 所述接地单元 102的一端与地线 103相连， 所述接地单元 102为对称结构， 且所述接地单元 102的对称轴与所述地线垂直， 所述第一天线和所述第二 天线分别通过相应的馈电端口 1和馈电端口 2与所述地线相连。 其中， 预设的范围是指， 两个天线在有限的空间内可以尽量的靠近， 不必相距较远的距离。  The first antenna 101 and the second antenna 104 are within a preset range, the grounding unit 102 is located between the first antenna 101 and the second antenna 104, and the grounding unit 102 is not in contact with the first antenna 101 and the second antenna 104. One end of the grounding unit 102 is connected to the ground line 103. The grounding unit 102 has a symmetrical structure, and the axis of symmetry of the grounding unit 102 Vertically to the ground line, the first antenna and the second antenna are respectively connected to the ground through respective feed ports 1 and feed ports 2. Among them, the preset range means that the two antennas can be as close as possible in a limited space, and there is no need to be far apart.
本实施例中， 优选地， 所述接地单元 102 的材质为金属材质， 接地单元的材质包括： 铜。 当然接地单元的材质也可以是其它金属材质， 如钢， 对此本实施例不做具体限定。  In this embodiment, preferably, the grounding unit 102 is made of a metal material, and the grounding unit is made of copper. Of course, the material of the grounding unit may also be other metal materials, such as steel, which is not specifically limited in this embodiment.
本实施例中， 接地单元的形状包括： T型接地结构、 M型接地结构或是 W型接地结构。 也可以是其它接地结构， 对此本实施例不做具体限定。  In this embodiment, the shape of the grounding unit includes: a T-type ground structure, an M-type ground structure, or a W-type ground structure. Other grounding structures are also possible, which are not specifically limited in this embodiment.
本实施例中， 所述第一天线和所述第二天线均为单极子天线， 当然也可以为其它类型 的天线， 对此本实施例不做具体限定。 In this embodiment, the first antenna and the second antenna are both monopole antennas, and may of course be of other types. The antenna is not specifically limited in this embodiment.
本实施例中， 隔离度是指一个天线发射信号， 通过另一个天线接收的信号与该发射天 线信号的比值。 隔离度越大说明两个天线之间的接收性能越好。 相关系数是衡量两个变量 线性相关密切程度的量， 本实施例中的相关系数是衡量两个天线之间的密切程度的量。  In this embodiment, the isolation refers to the ratio of the signal transmitted by one antenna to the signal transmitted by the other antenna and the transmitted antenna signal. The greater the isolation, the better the reception performance between the two antennas. The correlation coefficient is an amount that measures the degree of linear correlation between the two variables. The correlation coefficient in this embodiment is an amount that measures the degree of closeness between the two antennas.
本实施例中， 第一天线和第二天线在接收信号时作为输入天线， 在发送信号时作为输 出天线， 即第一天线和第二天线既可以是输入天线也可以是输出天线， 对此本实施例不做 具体限定。  In this embodiment, the first antenna and the second antenna serve as input antennas when receiving signals, and serve as output antennas when transmitting signals, that is, the first antenna and the second antenna may be either an input antenna or an output antenna. The embodiment is not specifically limited.
本发明提供的技术方案的有益效果是： 在小空间内使用两个天线， 并在两个天线之间 加入对称的接地结构， 将两个天线隔离开， 使两个天线的方向图互补性好， 提高了天线间 的隔离度和相关系数， 降低了天线的开发难度。 参见图 2， 本发明实施例提供了一种天线， 该天线用于数据卡的 WIFI频段， 具体的该 天线包括： Monopole (单极子） 天线 1、 Monopole天线 2， T型接地结构 3， 地线 4、 馈电 端口 1和馈电端口 2。  The technical solution provided by the present invention has the beneficial effects of: using two antennas in a small space, and adding a symmetrical ground structure between the two antennas to isolate the two antennas, so that the directions of the two antennas are complementary. , improve the isolation and correlation coefficient between the antennas, and reduce the development difficulty of the antenna. Referring to FIG. 2, an embodiment of the present invention provides an antenna for a WIFI frequency band of a data card. The specific antenna includes: a Monopole antenna 1, a Monopole antenna 2, a T-type ground structure 3, and a ground. Line 4, Feed Port 1 and Feed Port 2.
其中， Monopole天线 1和 Monopole天线 2在预设的范围内相互靠近， T型接地结构 3 位于 Monopole天线 1与 Monopole天线 2之间， 且 T型接地结构 3不与 Monopole天线 1和 Monopole天线 2相接触， T型接地结构 3的一端与地线 4相连，馈电端口 1的一端与 Monopole 天线 1相连， 另一端与地线 4相连， 同样， 馈电端口 2的一端与 Monopole天线 2相连， 另 一端与地线 4相连。 本实施例中， T型接地结构 3就是上述实施例中的接地单元， T型接地 结构为对称结构， 且如图 2所示， T型接地结构的对称轴与地线垂直。  Wherein, the Monopole antenna 1 and the Monopole antenna 2 are close to each other within a preset range, the T-type ground structure 3 is located between the Monopole antenna 1 and the Monopole antenna 2, and the T-type ground structure 3 is not in phase with the Monopole antenna 1 and the Monopole antenna 2 One end of the T-type grounding structure 3 is connected to the grounding wire 4. One end of the feeding port 1 is connected to the Monopole antenna 1 and the other end is connected to the grounding wire 4. Similarly, one end of the feeding port 2 is connected to the Monopole antenna 2, and One end is connected to the ground line 4. In the present embodiment, the T-type ground structure 3 is the ground unit in the above embodiment, and the T-type ground structure is a symmetrical structure, and as shown in Fig. 2, the symmetry axis of the T-type ground structure is perpendicular to the ground.
本实施例中， T型接地结构 3可以在 Monopole天线 1与 Monopole天线 2中间， 也可以 偏向 Monopole天线 1或是 Monopole天线 2, T型接地结构 3可以位于 Monopole天线 1与 Monopole天线 2之间的任何一个位置， 但是 T型接地结构 3不可以与 Monopole天线 1与 Monopole天线 2相接触。  In this embodiment, the T-type ground structure 3 can be between the Monopole antenna 1 and the Monopole antenna 2, or can be biased toward the Monopole antenna 1 or the Monopole antenna 2, and the T-type ground structure 3 can be located between the Monopole antenna 1 and the Monopole antenna 2. Either position, but the T-type grounding structure 3 cannot be in contact with the Monopole antenna 1 and the Monopole antenna 2.
本实施例中， 两个 Monopole天线分别与相应的馈电端口连接， 在这里馈电端口起到连 接的作用， Monopole 天线收到的信号通过馈电端口发送到电路上， 而从电路输出的信号通 过馈电端口发送到 Monopole天线上。 本实施例中， Monopole天线 1与 Monopole天线 2在 接收信号时作为输入天线， 在发送信号时作为输出天线， 即 Monopole天线 1与 Monopole 天线 2既可以是输入天线也可以是输出天线， 对此本实施例不做具体限定。  In this embodiment, two Monopole antennas are respectively connected to corresponding feeding ports, where the feeding port functions as a connection, and the signal received by the Monopole antenna is sent to the circuit through the feeding port, and the signal output from the circuit is outputted from the circuit. It is sent to the Monopole antenna through the feed port. In this embodiment, the Monopole antenna 1 and the Monopole antenna 2 serve as input antennas when receiving signals, and serve as output antennas when transmitting signals, that is, the Monopole antenna 1 and the Monopole antenna 2 can be either an input antenna or an output antenna. The embodiment is not specifically limited.
本实施例中， T型接地结构为铜箔， 将铜箔的一端与地线连接， 从而达到接地的目的。 在实际的测量中， 将两个靠近的 Monopole天线中间利用 T型接地结构分开， 最终得到两个 方向互补的方向图， 其中一个天线的方向图在水平方向偏向左， 另一个天线的方向图在水 平方向偏向右， 两个图加起来就是一个圆形的天线图， 从而提高了天线的隔离度和效率。 In this embodiment, the T-type grounding structure is a copper foil, and one end of the copper foil is connected to the ground wire to achieve the purpose of grounding. In the actual measurement, the two nearby Monopole antennas are separated by a T-type grounding structure, and finally two A complementary direction pattern, in which the pattern of one antenna is biased to the left in the horizontal direction, and the pattern of the other antenna is biased to the right in the horizontal direction. The two figures add up to be a circular antenna pattern, thereby improving the isolation of the antenna. And efficiency.
本发明提供的技术方案的有益效果是： 在小空间内使用两个天线， 并在两个天线之间 加入对称的接地结构， 将两个天线隔离开， 使两个天线的方向图互补性好， 提高了天线间 的隔离度和相关系数， 降低了天线的开发难度； 并且 T型地结构设计简单， 易于实现。 本发明实施例提供了一种终端， 该终端包括如上所述的天线， 该天线包括： 第一天线、 接地单元、 地线和第二天线；  The technical solution provided by the present invention has the beneficial effects of: using two antennas in a small space, and adding a symmetrical ground structure between the two antennas to isolate the two antennas, so that the directions of the two antennas are complementary. The isolation between the antennas and the correlation coefficient are improved, and the development difficulty of the antenna is reduced; and the T-shaped structure is simple in design and easy to implement. An embodiment of the present invention provides a terminal, where the terminal includes an antenna, where the antenna includes: a first antenna, a grounding unit, a ground line, and a second antenna;
所述接地单元位于所述第一天线和所述第二天线之间， 且所述接地单元不与所述第一 天线和所述第二天线相接触， 所述接地单元的一端与所述地线相连， 所述接地单元为对称 结构， 且所述接地单元的对称轴与所述地线垂直， 所述第一天线和所述第二天线分别通过 相应的馈电端口与所述地线相连。  The grounding unit is located between the first antenna and the second antenna, and the grounding unit is not in contact with the first antenna and the second antenna, and one end of the grounding unit and the ground Connected to the line, the grounding unit is of a symmetrical structure, and the axis of symmetry of the grounding unit is perpendicular to the ground line, and the first antenna and the second antenna are respectively connected to the ground through respective feeding ports .
优选地， 所述接地单元的材质为金属材质。 接地单元的材质包括： 铜或钢。  Preferably, the grounding unit is made of a metal material. The material of the grounding unit includes: copper or steel.
可选地， 所述接地单元的形状包括： T型接地结构、 M型接地结构或是 W型接地结构。 本实施例中， 所述第一天线和所述第二天线均为单极子天线。  Optionally, the shape of the grounding unit comprises: a T-type ground structure, an M-type ground structure or a W-type ground structure. In this embodiment, the first antenna and the second antenna are both monopole antennas.
本实施例中， 终端包括： 手机、 数据卡或平板电脑， 但也不限于手机、 数据卡或平板 电脑， 对此本实施例不做具体限定。  In this embodiment, the terminal includes: a mobile phone, a data card, or a tablet computer, but is not limited to a mobile phone, a data card, or a tablet computer, and is not specifically limited in this embodiment.
本发明提供的技术方案的有益效果是： 在小空间内使用两个天线， 并在两个天线之间 加入对称的接地结构， 将两个天线隔离开， 使两个天线的方向图互补性好， 提高了天线间 的隔离度和相关系数， 降低了天线的开发难度。 本发明实施例提供的终端中包括的天线， 具体可以与天线实施例属于同一构思， 其具 体实现过程详见天线实施例， 这里不再赘述。 以上所述仅为本发明的较佳实施例， 并不用以限制本发明， 凡在本发明的精神和原则 之内， 所作的任何修改、 等同替换、 改进等， 均应包含在本发明的保护范围之内。  The technical solution provided by the present invention has the beneficial effects of: using two antennas in a small space, and adding a symmetrical ground structure between the two antennas to isolate the two antennas, so that the directions of the two antennas are complementary. , improve the isolation and correlation coefficient between the antennas, and reduce the development difficulty of the antenna. The antenna included in the terminal provided by the embodiment of the present invention may be the same as the antenna embodiment. For details, refer to the antenna embodiment, and details are not described herein. The above is only the preferred embodiment of the present invention, and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., which are within the spirit and scope of the present invention, should be included in the protection of the present invention. Within the scope.

Claims

权 利 要 求 书 Claim
1、 一种天线， 其特征在于， 所述天线包括： 第一天线、 接地单元、 地线和第二天线； 所述接地单元位于所述第一天线和所述第二天线之间， 且所述接地单元不与所述第一天 线和所述第二天线相接触， 所述接地单元的一端与所述地线相连， 所述接地单元为对称结构， 且所述接地单元的对称轴与所述地线垂直， 所述第一天线和所述第二天线分别通过相应的馈 电端口与所述地线相连。 An antenna, comprising: a first antenna, a grounding unit, a grounding wire, and a second antenna; the grounding unit is located between the first antenna and the second antenna, and The grounding unit is not in contact with the first antenna and the second antenna, one end of the grounding unit is connected to the grounding wire, the grounding unit is a symmetrical structure, and the axis of symmetry of the grounding unit The grounding line is vertical, and the first antenna and the second antenna are respectively connected to the ground through respective feeding ports.
2、根据权利要求 1所述的天线， 其特征在于， 所述接地单元的形状包括： T型接地结构、 M型接地结构或是 W型接地结构。 The antenna according to claim 1, wherein the shape of the grounding unit comprises: a T-type ground structure, an M-type ground structure or a W-type ground structure.
3、根据权利要求 1-2任一项所述的天线， 其特征在于， 所述第一天线和所述第二天线均 为单极子天线。 The antenna according to any one of claims 1 to 2, wherein the first antenna and the second antenna are both monopole antennas.
4、根据权利要求 1-3任一项所述的天线，其特征在于，所述接地单元的材质为金属材质。 The antenna according to any one of claims 1 to 3, wherein the grounding unit is made of a metal material.
5、 根据权利要求 4所述的天线， 其特征在于， 所述接地单元的材质包括： 铜或钢。 The antenna according to claim 4, wherein the material of the grounding unit comprises: copper or steel.
6、 一种终端， 其特征在于， 所述终端包括： 天线， 所述天线包括： 第一天线、接地单元、 地线和第二天线； A terminal, the terminal includes: an antenna, the antenna includes: a first antenna, a grounding unit, a ground line, and a second antenna;
所述接地单元位于所述第一天线和所述第二天线之间， 且所述接地单元不与所述第一天 线和所述第二天线相接触， 所述接地单元的一端与所述地线相连， 所述接地单元为对称结构， 且所述接地单元的对称轴与所述地线垂直， 所述第一天线和所述第二天线分别通过相应的馈 电端口与所述地线相连。  The grounding unit is located between the first antenna and the second antenna, and the grounding unit is not in contact with the first antenna and the second antenna, and one end of the grounding unit and the ground Connected to the line, the grounding unit is of a symmetrical structure, and the axis of symmetry of the grounding unit is perpendicular to the ground line, and the first antenna and the second antenna are respectively connected to the ground through respective feeding ports .
7、根据权利要求 6所述的终端， 其特征在于， 所述接地单元的形状包括： T型接地结构、 M型接地结构或是 W型接地结构。 The terminal according to claim 6, wherein the shape of the grounding unit comprises: a T-type ground structure, an M-type ground structure or a W-type ground structure.
8、根据权利要求 6-7任一项所述的终端， 其特征在于， 所述第一天线和所述第二天线均 为单极子天线。 The terminal according to any one of claims 6 to 7, wherein the first antenna and the second antenna are both monopole antennas.
9、根据权利要求 6-8任一项所述的终端，其特征在于，所述接地单元的材质为金属材质。 The terminal according to any one of claims 6-8, wherein the grounding unit is made of a metal material.
10、 根据权利要求 9所述的终端， 其特征在于， 所述接地单元的材质包括： 铜或钢。 The terminal according to claim 9, wherein the material of the grounding unit comprises: copper or steel.
11、 根据权利要求 6-10任一项所述的终端， 其特征在于， 所述终端包括： 手机、 数据卡 或平板电脑。 The terminal according to any one of claims 6 to 10, wherein the terminal comprises: a mobile phone, a data card or a tablet computer.
PCT/CN2011/081506 2011-10-28 2011-10-28 Antenna and terminal WO2012097623A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN2011800025639A CN102576932A (en) 2011-10-28 2011-10-28 Antenna and terminal
PCT/CN2011/081506 WO2012097623A2 (en) 2011-10-28 2011-10-28 Antenna and terminal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2011/081506 WO2012097623A2 (en) 2011-10-28 2011-10-28 Antenna and terminal

Publications (2)

Publication Number Publication Date
WO2012097623A2 true WO2012097623A2 (en) 2012-07-26
WO2012097623A3 WO2012097623A3 (en) 2012-09-13

Family

ID=46417493

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2011/081506 WO2012097623A2 (en) 2011-10-28 2011-10-28 Antenna and terminal

Country Status (2)

Country Link
CN (1) CN102576932A (en)
WO (1) WO2012097623A2 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9119223B2 (en) * 2012-12-06 2015-08-25 Futurewei Technologies, Inc. Two antennas in close proximity with signal isolation
CN103887606B (en) * 2012-12-20 2017-04-19 联想(北京)有限公司 Antenna device and method for making antenna device
CN105305058B (en) * 2015-11-30 2018-12-11 华南理工大学 A kind of ultra wide band mimo antennas with three frequency range trap characteristics
CN105406182B (en) * 2015-12-04 2018-10-09 华南理工大学 A kind of UWB mimo antennas that notch bandwidth is controllable
CN106785370A (en) * 2016-12-29 2017-05-31 重庆邮电大学 A kind of mimo antenna of the high-isolation for mobile terminal
CN107634338B (en) * 2017-09-12 2021-08-10 惠州Tcl移动通信有限公司 Dual-frequency WIFI antenna and mobile terminal
CN110931973A (en) * 2018-09-20 2020-03-27 中兴通讯股份有限公司 Terminal device
CN114447583B (en) * 2019-08-23 2023-09-01 华为技术有限公司 Antenna and electronic equipment

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1421958A (en) * 2001-11-26 2003-06-04 智邦科技股份有限公司 Integrated double-polarized printed single-dipole antenna
WO2003103087A2 (en) * 2002-06-04 2003-12-11 Skycross, Inc. Wideband printed monopole antenna
WO2004105182A1 (en) * 2003-05-19 2004-12-02 Antenova Limited Dual band antenna system with diversity

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101577364B (en) * 2008-05-05 2012-08-22 广达电脑股份有限公司 Antenna unit

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1421958A (en) * 2001-11-26 2003-06-04 智邦科技股份有限公司 Integrated double-polarized printed single-dipole antenna
WO2003103087A2 (en) * 2002-06-04 2003-12-11 Skycross, Inc. Wideband printed monopole antenna
WO2004105182A1 (en) * 2003-05-19 2004-12-02 Antenova Limited Dual band antenna system with diversity

Also Published As

Publication number Publication date
CN102576932A (en) 2012-07-11
WO2012097623A3 (en) 2012-09-13

Similar Documents

Publication Publication Date Title
WO2012097623A2 (en) Antenna and terminal
US11011837B2 (en) Communications terminal
CN102868017B (en) Radiation device and array antenna based on same
CN101316008B (en) MIMO mobile terminal multi-antenna with high isolation and low correlated characteristic
CN104022354B (en) The mimo antenna of the low SAR high isolations of thin space
CN201345425Y (en) Double-frequency space diversity double antenna for movable termination
JP6247407B2 (en) Ultra-wideband miniaturized cross-circularly polarized antenna
US10270163B2 (en) Communication module and communication device including same
US9954275B2 (en) Multiple-input multiple-output antenna, system and mobile terminal
CN104979633A (en) Antenna system and communication terminal applying antenna system
CN105552519A (en) Wideband dual-polarization radiating unit and base station antenna
CN104466401A (en) Multi-antenna terminal
JP2017041661A (en) Antenna device
CN201936998U (en) Diversity reception structure of antenna and mobile phone with same
CN102394368B (en) Mobile terminal with MIMO (Multi-input Multi-output) antennae
CN110350326A (en) A kind of antenna modules and mobile terminal
CN205211930U (en) Two polarized radiation units of wide band and base station antenna
CN204905420U (en) Cell -phone antenna device
WO2014194588A1 (en) Antenna system and terminal
CN111800155B (en) Wireless device
CN105048064B (en) A kind of antenna for mobile telephone set
CN106876922A (en) A kind of progressive mimo antenna of ladder
JP2010057022A (en) Composite antenna
CN105914457B (en) A kind of high-gain aerial of double frequency double fluid
CN201336372Y (en) Multi-antenna radio device and antenna thereof

Legal Events

Date Code Title Description
WWE Wipo information: entry into national phase

Ref document number: 201180002563.9

Country of ref document: CN

121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 11856049

Country of ref document: EP

Kind code of ref document: A2

NENP Non-entry into the national phase in:

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 11856049

Country of ref document: EP

Kind code of ref document: A2