CN102576932A - Antenna and terminal - Google Patents
Antenna and terminal Download PDFInfo
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- CN102576932A CN102576932A CN2011800025639A CN201180002563A CN102576932A CN 102576932 A CN102576932 A CN 102576932A CN 2011800025639 A CN2011800025639 A CN 2011800025639A CN 201180002563 A CN201180002563 A CN 201180002563A CN 102576932 A CN102576932 A CN 102576932A
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- antenna
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- ground unit
- ground wire
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- 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
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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
Technical field
The present invention relates to communication technical field, particularly a kind of antenna and terminal.
Background technology
Along with development of wireless communication devices, Wireless Fidelity (English abbreviates WIFI as, and English spelling is Wireless Fidelity) technology has obtained using widely; But data card is generally smaller; The useful space of antenna area of data card with Wireless Fidelity function is less relatively, and this just makes two isolation between antennae differences of input and output and coefficient correlation poor, but radio communication has increasingly high requirement to each item performance of antenna; Hope realizes the Wireless Fidelity frequency range in limited space; And each item index will get well, especially isolation and relative coefficient, and this has just increased data card broadband multiple-input and multiple-output, and (English abbreviates MIMO as; English spelling is Multiple-Input Multiple-Out-put) design difficulty of antenna.
In the prior art; Isolation and coefficient correlation for the multi-input/output antenna that improves data card Wireless Fidelity frequency range; The multi-input/output antenna of data card Wireless Fidelity frequency range uses two monopole antennas far away to constitute usually; In limited space, widen the distance of two monopole antennas, to improve isolation between antennae and coefficient correlation, this scheme has increased the development difficulty of antenna as far as possible.
Summary of the invention
In order to address the above problem, the embodiment of the invention provides a kind of antenna and terminal.Said technical scheme is following:
On the one hand, a kind of antenna is provided, said antenna comprises: first antenna, ground unit, ground wire and second antenna;
Said ground unit is between said first antenna and said second antenna; And said ground unit does not contact with said first antenna and said second antenna; One end of said ground unit links to each other with said ground wire; Said ground unit is a symmetrical structure, and the symmetry axis of said ground unit is vertical with said ground wire, and said first antenna links to each other with said ground wire through corresponding feed port respectively with said second antenna.
On the other hand, a kind of terminal is provided, said terminal comprises: antenna, and said antenna comprises: first antenna, ground unit, ground wire and second antenna;
Said ground unit is between said first antenna and said second antenna; And said ground unit does not contact with said first antenna and said second antenna; One end of said ground unit links to each other with said ground wire; Said ground unit is a symmetrical structure, and the symmetry axis of said ground unit is vertical with said ground wire, and said first antenna links to each other with said ground wire through corresponding feed port respectively with said second antenna.
The beneficial effect of the technical scheme that the embodiment of the invention provides is: in little space, use two antennas; And between two antennas, add the ground structure of symmetry; Two antenna isolation are opened; Make the directional diagram complementarity of two antennas good, improved isolation between antennae and coefficient correlation, reduced the development difficulty of antenna.
Description of drawings
In order to be illustrated more clearly in the technical scheme in the embodiment of the invention; The accompanying drawing of required use is done to introduce simply in will describing embodiment below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is a kind of antenna sketch map that the embodiment of the invention provides;
Fig. 2 is a kind of antenna sketch map that further embodiment of this invention provides.
Embodiment
To combine the accompanying drawing in the embodiment of the invention below, the technical scheme in the embodiment of the invention is carried out clear, intactly description, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
Referring to Fig. 1, the embodiment of the invention provides a kind of antenna, comprising: first antenna 101, ground unit 102, ground wire 103 and second antenna 104.
Wherein, Said first antenna 101 and said second antenna 104 are at a distance of in preset scope; Said ground unit 102 is between said first antenna 101 and said second antenna 104; And said ground unit 102 does not contact with said second antenna 104 with said first antenna 101, and an end of said ground unit 102 links to each other with ground wire 103, and said ground unit 102 is a symmetrical structure; And the symmetry axis of said ground unit 102 is vertical with said ground wire, and said first antenna links to each other with said ground wire with feed port 2 through corresponding feed port 1 respectively with said second antenna.Wherein, preset scope is meant, two antennas in limited space, can try one's best near, distance that needn't apart from each other.
In the present embodiment, preferably, the material of said ground unit 102 is a metal material, and the material of ground unit comprises: copper.Certainly the material of ground unit can be other metal material also, like steel, this present embodiment is not done concrete qualification.
In the present embodiment, the shape of ground unit comprises: T type ground structure, M type ground structure or W type ground structure.Also can be other ground structure, this present embodiment is not done concrete qualification.
In the present embodiment, said first antenna and said second antenna are monopole antenna, can certainly be the antenna of other type, and this present embodiment is not done concrete qualification.
In the present embodiment, isolation is meant that an antenna transmits, through the signal of another antenna reception and the ratio of this transmitting antenna signal.Receptivity between two antennas of the big more explanation of isolation is good more.Coefficient correlation is to weigh the amount of two linear variable displacement related intimate degree, and the coefficient correlation in the present embodiment is to weigh the amount of the level of intimate between two antennas.
In the present embodiment, as input aerial, as the output antenna, promptly first antenna and second antenna both can be that input aerial also can be the output antenna, and this present embodiment is not done concrete qualification when sending signal when receiving signal for first antenna and second antenna.
The beneficial effect of technical scheme provided by the invention is: in little space, use two antennas; And between two antennas, add the ground structure of symmetry; Two antenna isolation are opened; Make the directional diagram complementarity of two antennas good, improved isolation between antennae and coefficient correlation, reduced the development difficulty of antenna.
Referring to Fig. 2; The embodiment of the invention provides a kind of antenna, and this antenna is used for the WIFI frequency range of data card, and this concrete antenna comprises: monopole (translator of English is Monopole) antenna 1, single-stage sub antenna 2; T type ground structure 3, ground wire 4, feed port 1 and feed port 2.
Wherein, single-stage sub antenna 1 and single-stage sub antenna 2 in preset scope each other near, T type ground structure 3 is between single-stage sub antenna 1 and single-stage sub antenna 2; And T type ground structure 3 does not contact with single-stage sub antenna 1 and single-stage sub antenna 2, and an end of T type ground structure 3 links to each other with ground wire 4, and an end of feed port 1 links to each other with single-stage sub antenna 1; The other end links to each other with ground wire 4; Equally, an end of feed port 2 links to each other with single-stage sub antenna 2, and the other end links to each other with ground wire 4.In the present embodiment, T type ground structure 3 is exactly the ground unit in the foregoing description, and T type ground structure is a symmetrical structure, and as shown in Figure 2, and the symmetry axis of T type ground structure is vertical with ground wire.
In the present embodiment; T type ground structure 3 can be middle with single-stage sub antenna 2 at single-stage sub antenna 1; Also can be partial to single-stage sub antenna 1 or single-stage sub antenna 2; T type ground structure 3 can be in any one position between single-stage sub antenna 1 and the single-stage sub antenna 2, but T type ground structure 3 cannot contact with single-stage sub antenna 2 with single-stage sub antenna 1.
In the present embodiment; Two single-stage sub antennas are connected with corresponding feed port respectively; Here feed port plays the effect of connection, and the signal that the single-stage sub antenna is received sends on the circuit through feed port, and sends on the single-stage sub antenna through feed port from the signal of circuit output.In the present embodiment; Single-stage sub antenna 1 and single-stage sub antenna 2 when receiving signal as input aerial; As the output antenna, promptly single-stage sub antenna 1 both can be that input aerial also can be the output antenna with single-stage sub antenna 2, and this present embodiment is not done concrete qualification when sending signal.
In the present embodiment, T type ground structure is a Copper Foil, an end of Copper Foil is connected with ground wire, thereby reaches the purpose of ground connection.In the measurement of reality; With two near the single-stage sub antenna in the middle of utilize T type ground structure separately; Finally obtain the complementary directional diagram of both direction, the directional diagram of one of them antenna is inclined left in the horizontal direction, and the directional diagram of another antenna is inclined right in the horizontal direction; It is exactly the antenna diagram of a circle that two figure add up, thereby has improved the isolation and the efficient of antenna.
The beneficial effect of technical scheme provided by the invention is: in little space, use two antennas; And between two antennas, add the ground structure of symmetry; Two antenna isolation are opened; Make the directional diagram complementarity of two antennas good, improved isolation between antennae and coefficient correlation, reduced the development difficulty of antenna; And T type ground structure simplicity of design is easy to realize.
The embodiment of the invention provides a kind of terminal, and this terminal comprises aforesaid antenna, and this antenna comprises: first antenna, ground unit, ground wire and second antenna;
Said ground unit is between said first antenna and said second antenna; And said ground unit does not contact with said first antenna and said second antenna; One end of said ground unit links to each other with said ground wire; Said ground unit is a symmetrical structure, and the symmetry axis of said ground unit is vertical with said ground wire, and said first antenna links to each other with said ground wire through corresponding feed port respectively with said second antenna.
Preferably, the material of said ground unit is a metal material.The material of ground unit comprises: copper or steel.
Alternatively, the shape of said ground unit comprises: T type ground structure, M type ground structure or W type ground structure.
In the present embodiment, said first antenna and said second antenna are monopole antenna.
In the present embodiment, the terminal comprises: mobile phone, data card or panel computer, but also be not limited to mobile phone, data card or panel computer, this present embodiment is not done concrete qualification.
The beneficial effect of technical scheme provided by the invention is: in little space, use two antennas; And between two antennas, add the ground structure of symmetry; Two antenna isolation are opened; Make the directional diagram complementarity of two antennas good, improved isolation between antennae and coefficient correlation, reduced the development difficulty of antenna.
The antenna that comprises in the terminal that the embodiment of the invention provides specifically can belong to same design with antenna embodiment, and its concrete implementation procedure sees antenna embodiment for details, repeats no more here.
The above is merely preferred embodiment of the present invention, and is in order to restriction the present invention, not all within spirit of the present invention and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (11)
1. an antenna is characterized in that, said antenna comprises: first antenna, ground unit, ground wire and second antenna;
Said ground unit is between said first antenna and said second antenna; And said ground unit does not contact with said first antenna and said second antenna; One end of said ground unit links to each other with said ground wire; Said ground unit is a symmetrical structure, and the symmetry axis of said ground unit is vertical with said ground wire, and said first antenna links to each other with said ground wire through corresponding feed port respectively with said second antenna.
2. antenna according to claim 1 is characterized in that, the shape of said ground unit comprises: T type ground structure, M type ground structure or W type ground structure.
3. according to each described antenna of claim 1-2, it is characterized in that said first antenna and said second antenna are monopole antenna.
4. according to each described antenna of claim 1-3, it is characterized in that the material of said ground unit is a metal material.
5. antenna according to claim 4 is characterized in that, the material of said ground unit comprises: copper or steel.
6. a terminal is characterized in that, said terminal comprises: antenna, and said antenna comprises: first antenna, ground unit, ground wire and second antenna;
Said ground unit is between said first antenna and said second antenna; And said ground unit does not contact with said first antenna and said second antenna; One end of said ground unit links to each other with said ground wire; Said ground unit is a symmetrical structure, and the symmetry axis of said ground unit is vertical with said ground wire, and said first antenna links to each other with said ground wire through corresponding feed port respectively with said second antenna.
7. terminal according to claim 6 is characterized in that, the shape of said ground unit comprises: T type ground structure, M type ground structure or W type ground structure.
8. according to each described terminal of claim 6-7, it is characterized in that said first antenna and said second antenna are monopole antenna.
9. according to each described terminal of claim 6-8, it is characterized in that the material of said ground unit is a metal material.
10. terminal according to claim 9 is characterized in that, the material of said ground unit comprises: copper or steel.
11., it is characterized in that said terminal comprises: mobile phone, data card or panel computer according to each described terminal of claim 6-10.
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 (1)
| Publication Number | Publication Date |
|---|---|
| CN102576932A true CN102576932A (en) | 2012-07-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011800025639A Pending CN102576932A (en) | 2011-10-28 | 2011-10-28 | Antenna and terminal |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102576932A (en) |
| WO (1) | WO2012097623A2 (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014086247A1 (en) * | 2012-12-06 | 2014-06-12 | Huawei Technologies Co., Ltd. | Two antennas in close proximity with signal isolation |
| CN103887606A (en) * | 2012-12-20 | 2014-06-25 | 联想(北京)有限公司 | Antenna device and method for making antenna device |
| CN105305058A (en) * | 2015-11-30 | 2016-02-03 | 华南理工大学 | Ultra-wideband multiple-input-multiple-output antenna with triple-band notch characteristics |
| CN105406182A (en) * | 2015-12-04 | 2016-03-16 | 华南理工大学 | UWB (Ultra Wide Band) MIMO (Multiple Input Multiple Output) antenna with controlled trap bandwidth |
| 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 |
| CN107634338A (en) * | 2017-09-12 | 2018-01-26 | 惠州Tcl移动通信有限公司 | A kind of double frequency WIFI antennas and mobile terminal |
| WO2020057236A1 (en) * | 2018-09-20 | 2020-03-26 | 中兴通讯股份有限公司 | Terminal |
| CN114447583A (en) * | 2019-08-23 | 2022-05-06 | 华为技术有限公司 | Antenna and electronic equipment |
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2011
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- 2011-10-28 WO PCT/CN2011/081506 patent/WO2012097623A2/en active Application Filing
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| 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 |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104704910B (en) * | 2012-12-06 | 2019-06-18 | 华为技术有限公司 | Two adjacent antennas of signal isolation |
| CN104704910A (en) * | 2012-12-06 | 2015-06-10 | 华为技术有限公司 | Huawei tech co ltd |
| WO2014086247A1 (en) * | 2012-12-06 | 2014-06-12 | Huawei Technologies Co., Ltd. | Two antennas in close proximity with signal isolation |
| US9119223B2 (en) | 2012-12-06 | 2015-08-25 | Futurewei Technologies, Inc. | Two antennas in close proximity with signal isolation |
| WO2014094637A1 (en) * | 2012-12-20 | 2014-06-26 | 北京联想软件有限公司 | Antenna device and method for forming antenna device |
| CN103887606A (en) * | 2012-12-20 | 2014-06-25 | 联想(北京)有限公司 | Antenna device and method for making antenna device |
| 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 |
| CN105305058A (en) * | 2015-11-30 | 2016-02-03 | 华南理工大学 | Ultra-wideband multiple-input-multiple-output antenna with triple-band notch characteristics |
| CN105406182A (en) * | 2015-12-04 | 2016-03-16 | 华南理工大学 | UWB (Ultra Wide Band) MIMO (Multiple Input Multiple Output) antenna with controlled trap bandwidth |
| 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 |
| CN107634338A (en) * | 2017-09-12 | 2018-01-26 | 惠州Tcl移动通信有限公司 | A kind of double frequency WIFI antennas and mobile terminal |
| WO2019052478A1 (en) * | 2017-09-12 | 2019-03-21 | 惠州Tcl移动通信有限公司 | Dual-frequency wifi antenna and mobile terminal |
| WO2020057236A1 (en) * | 2018-09-20 | 2020-03-26 | 中兴通讯股份有限公司 | Terminal |
| CN114447583A (en) * | 2019-08-23 | 2022-05-06 | 华为技术有限公司 | Antenna and electronic equipment |
| CN114447583B (en) * | 2019-08-23 | 2023-09-01 | 华为技术有限公司 | Antenna and electronic equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2012097623A3 (en) | 2012-09-13 |
| WO2012097623A2 (en) | 2012-07-26 |
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Application publication date: 20120711 |