CN202094299U - Antenna and MIMO antenna comprising same - Google Patents
Antenna and MIMO antenna comprising same Download PDFInfo
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- CN202094299U CN202094299U CN2011201822819U CN201120182281U CN202094299U CN 202094299 U CN202094299 U CN 202094299U CN 2011201822819 U CN2011201822819 U CN 2011201822819U CN 201120182281 U CN201120182281 U CN 201120182281U CN 202094299 U CN202094299 U CN 202094299U
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- antenna
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- feeder line
- micro groove
- groove structure
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Abstract
The utility model relates to an antenna and an MIMO antenna comprising the same. The antenna comprises a feed line, a first metal sheet and a second metal sheet arranged oppositely to the first metal sheet, wherein the feed line is fed into the first metal sheet in a coupling mode, the second metal sheet is electrically connected with the feed line, and a micro groove structure is formed on the first metal sheet. With no complicated impedance matching network, the antenna is small in size, simple in manufacturing and low in cost. To be further, the antenna can simplify structure of the feed line, reduce loss of the feed line and improve low work frequency performance of the antenna when the antenna is in a low work frequency environment.
Description
Technical field
The utility model relates to the communications field, relates in particular to a kind of antenna and has the MIMO antenna of this antenna.
Background technology
Along with the high development of semiconductor technology, current electronic system integrated level has been proposed more and more higher requirement, miniaturization of devices becomes the technical problem that whole industry is paid special attention to.Yet, be different from the development that the IC chip is followed " Moore's Law ", as other important composition---the radio-frequency module of electronic system, but be faced with the highly difficult technological challenge of device miniaturization.Radio-frequency module has mainly comprised main devices such as mixing, power amplifier, filtering, radio signal transmission, matching network and antenna.Wherein, antenna is as the radiating element and the receiving device of final radiofrequency signal, and its operating characteristic will directly influence the service behaviour of whole electronic system.Yet important indicators such as the size of antenna, bandwidth, gain but have been subjected to the restriction (gain margin under the fixed dimension, bandwidth limit etc.) of basic physical principle.The basic principle of these index limit makes the miniaturization technology difficulty of antenna considerably beyond other device, and because the complexity of the electromagnetic field analysis of radio-frequency devices, approaching these limiting values all becomes huge technological challenge.
The radiation operating frequency of traditional antenna directly and the size positive correlation of antenna, the area positive correlation of bandwidth and antenna makes the design of antenna need the physical length of half-wavelength usually.This makes the traditional antenna technology be difficult to carry out under the size-constrained prerequisite of portable terminal.
In addition, in some more complicated electronic systems, antenna needs multimode operation, just need design at the impedance matching network outside the feed antenna forehead.But the increase that impedance matching network is extra the feeder line design of electronic system, increased radio system area simultaneously matching network also introduced many energy losses, be difficult to satisfy the requirement of system design of Modern Communication System low-power consumption.
Summary of the invention
Technical problem to be solved in the utility model is, above-mentioned deficiency at prior art, propose a kind of framework of breaking through the traditional antenna design, save the somewhat complex design of impedance matching network, guarantee its miniaturization and make it still keep the antenna of superperformance at low working frequency range.
The technical scheme that its technical problem that solves the utility model adopts is to propose a kind of antenna, second sheet metal that it comprises feeder line, first sheet metal, is oppositely arranged with this first sheet metal; This feeder line is by this first sheet metal of coupled modes feed-in, and this second sheet metal is electrically connected with this feeder line; Be formed with micro groove structure on this first sheet metal.
This micro groove structure comprise complementary split ring resonator structure, complementary helix structure, opening helical ring structure, two opening helical ring structure, complementary folding line structure and by several structures in front derive, compound or a micro groove structure that the group battle array obtains.
This feeder line is by this first sheet metal of capacitive coupling feed-in.
But be provided with the short circuit point between this feeder line and this first sheet metal, but should made this feeder line with this first sheet metal of inductive coupled mode feed-in with this first sheet metal by this feeder line of short circuit point electrical connection.
This antenna also comprises the medium that is filled between this first sheet metal and this second sheet metal.
This medium substrate is formed with plated-through hole, by this plated-through hole this feeder line and this second sheet metal is electrically connected.
This micro groove structure by etching, bore quarter, photoetching, electronics is carved or ion is carved and is formed on this first sheet metal.
This medium is made by ceramic material, macromolecular material, ferroelectric material or ferrite material.
Antenna of the present utility model is broken through the design framework of traditional antenna, utilizes the special electromagnetic response of super material to design the New-type radio-frequency antenna that radiation has profuse dispersion characteristics, can form multiple radiation mode.The utility model can be removed loaded down with trivial details impedance matching network from, has the advantage that size is little, processing is simple, with low cost.Further, the utility model also includes can be to another sheet metal of super material micro groove structure coupling feed, there is medium between the two metal sheets,, make antenna can be operated in low-frequency range because thereby the corresponding different electromagnetic parameter of different media changes capacitance and final operating frequency of regulating radio-frequency antenna between the two metal sheets.And, can make antenna when hanging down working frequency range, simplify the performance of the loss of the structure of feeder line, minimizing feeder line, the low working frequency range of raising antenna because this another sheet metal is electrically connected with feeder line.
The utility model also provides a kind of MIMO antenna in addition, and this MIMO antenna comprises a plurality of above-mentioned antennas.
Each feeder line in this MIMO antenna connects a reception/transmitter, and all receptions/transmitter connects baseband signal processor.
According to MIMO antenna of the present utility model, except the advantage that possesses above-mentioned antenna itself, also have very high isolation, and the antijamming capability between a plurality of antenna is strong.
Description of drawings
Fig. 1 is a kind of antenna structure view of the utility model;
Fig. 2 a is the schematic diagram of complementary split ring resonator structure;
Fig. 2 b is depicted as the schematic diagram of complementary helix structure;
Fig. 2 c is depicted as the schematic diagram of opening helical ring structure;
Fig. 2 d is depicted as the schematic diagram of two opening helical ring structures;
Fig. 2 e is depicted as the schematic diagram of complementary folding line structure;
Fig. 3 a is the schematic diagram of deriving of complementary its geometry of split ring resonator structure shown in Fig. 2 a;
Fig. 3 b is the schematic diagram of deriving of complementary its expansion of split ring resonator structure shown in Fig. 2 a;
Fig. 4 a is the structural representation behind the complementary split ring resonator structure shown in three Fig. 2 a compound;
Fig. 4 b is the compound schematic diagram that the complementary split ring resonator structure shown in two Fig. 2 a and Fig. 5 b are depicted as complementary helix structure;
Fig. 5 is the structural representation after the complementary split ring resonator structural group battle array shown in four Fig. 2 a.
Embodiment
Super material be by the artificial micro-structural with certain pattern form according to the ad hoc fashion periodic arrangement on base material and constitute.Thereby the pattern form that artificial micro-structural is different makes super material have different dielectric constants with arrangement mode and makes that with different magnetic permeabilitys super material has different electromagnetic responses.Wherein, when this artificial micro-structural is in resonance band, this artificial micro-structural will show the dispersion characteristics of height, and the dispersion characteristics of so-called height are meant the impedance of this artificial micro-structural, hold perception, equivalent dielectric constant and magnetic permeability be along with violent variation can take place frequency.
The above-mentioned principle of the super material of the utility model utilization, design a kind of antenna, it utilizes the highly dispersed characteristic of artificial micro-structural that micro groove structure is formed on first sheet metal, has saved the miniaturization that the design of impedance matching network realizes antenna thereby the feeder line coupling of this first sheet metal and radio-frequency antenna makes antenna have abundant radiation characteristic; In addition, in antenna structure, also introduce second sheet metal relative with first sheet metal, this second sheet metal is electrically connected with feeder line and produces the capacitive coupling with first sheet metal and makes that the swept area of feeder line obtains by second sheet metal increasing, and has reduced the loss of feeder line; Simultaneously owing to have medium in the middle of first sheet metal and second sheet metal, cause capacitance change between the two metal sheets according to the difference of dielectric material electromagnetic property, make the operating frequency of antenna also produce change.
As shown in Figure 1, Fig. 1 is the structural representation of the utility model antenna.Among Fig. 1, antenna comprises feeder line 10, first sheet metal 20, second sheet metal 30, is filled in the medium 1 between first sheet metal 20 and second sheet metal 30; Feeder line 10 and this first sheet metal 20 are electrically connected with feeder line 10 by capacitive coupling feed-in first sheet metal 20, the second sheet metals 30; Be formed with micro groove structure 201 on first sheet metal 20.Thereby first sheet metal 20 and the micro groove structure 201 that forms on first sheet metal 20 make the sheet metal 20 of winning constitute an effective dielectric constant realizes changing the aerial radiation characteristic according to the electromagnetic material of Lorentz lorentz's material resonances model chromatic dispersion purpose.
Micro groove structure 201 of the present utility model can be the complementary helix structure shown in the complementary split ring resonator structure shown in Fig. 2 a, Fig. 2 b, a kind of in the two opening helical ring structures shown in the opening helical ring structure shown in Fig. 2 c, Fig. 2 d, the complementary folding line structure shown in Fig. 2 e or by several structures in front derive, compound or a micro groove structure that the group battle array obtains.Derive and be divided into two kinds, a kind of is that geometry is derived, another kind is that expansion is derived, and geometry is herein derived and is meant that function class derives like, variform structure, is for example derived to class of a curve structure, triangle class formation and other different polygon class formation by the square frame class formation; Expansion is herein derived and is promptly offered new groove to form new micro groove structure on the basis of Fig. 2 a to Fig. 2 e; With the complementary split ring resonator structure shown in Fig. 2 a is example, and Fig. 3 a is its geometry schematic diagram of deriving, and Fig. 3 b is its geometry schematic diagram of deriving.Compound being meant herein, a plurality of stacks of the micro groove structure of Fig. 2 a to Fig. 2 e form a new micro groove structure, shown in Fig. 4 a, are the structural representation of the complementary split ring resonator structure shown in three Fig. 2 a after compound; Shown in Fig. 2 b, be that the complementary split ring resonator structure shown in two Fig. 2 a and Fig. 2 b are depicted as the common structural representation after compound of complementary helix structure.Group battle array herein is meant the micro groove structure that is formed an integral body by the micro groove structure array on same sheet metal shown in a plurality of Fig. 2 a to Fig. 2 e, as shown in Figure 5, is the structural representation after a plurality of complementary split ring resonator structural group battle arrays shown in Fig. 2 a.Below be that example is set forth the utility model all with the opening helical ring structure shown in Fig. 2 c.
The manufacturing process that forms micro groove structure 201 on first sheet metal 20 has multiple, for example etching, bore carve at quarter, photoetching, electronics, ion quarter etc., wherein etching is more excellent manufacturing process, its step is after designing the topological pattern of suitable micro groove structure, pass through etching machines, utilize the chemical reaction of solvent and metal to get rid of the metal part of presetting the micro groove structure pattern on first sheet metal, this first sheet metal has promptly formed described super material.The material of above-mentioned first sheet metal can be any metals such as copper, silver.
Please continue to consult Fig. 1.Problems such as though the setting of the micro groove structure 201 that forms on first sheet metal 20 and this first sheet metal 20 has solved impedance matching complexity of the prior art, impedance loss is big, antenna size is limited, but when antenna need be operated in low frequency, the wavelength of the electromagnetic wave correspondence of low-frequency range is longer, according to the Antenna Design principle, the electric radiation length of feeder will increase.Yet the setting of first sheet metal 20 can not effectively address this problem, conventional solution is around the coupling feed of first sheet metal, 20 multi-turn settings with the micro groove structure 201 of formation on 10 pairs first sheet metals 20 of increase feeder line with feeder 10, but this type of is provided with and must makes that feeder line length is long, thereby the feeder loss increase makes antenna performance descend.
Among Fig. 1, simultaneously have additional second sheet metal 30 at the medium relative with first sheet metal 20.Feeder line 10 is electrically connected with second sheet metal 30.The mode that is electrically connected also can be electrically connected feeder line 10 by other conventional electric connection mode certainly for by form plated-through hole 40 on medium with second sheet metal 30.
Second sheet metal 30 and the coupling of first sheet metal, 20 capacitives are to the micro groove structure 201 coupling feeds that form on first sheet metal 20.The micro groove structure 201 coupling feeds that form on 30 pairs first sheet metals 20 of second sheet metal have effectively reduced the demand of the micro groove structure 201 coupling feeds that form on 10 pairs first sheet metals 20 of feeder line.Therefore need not to increase feeder line 10 length, and the adjusting of second sheet metal, 30 areas is simple, only need adjust second sheet metal, 30 areas at different working frequency range and get final product.And owing to have media in the middle of first sheet metal 20 and second sheet metal 30, will cause the capacitance between the two metal sheets to change, make the also change thereupon of operating frequency of antenna according to the difference of dielectric material electromagnetic property.
In conjunction with the accompanying drawings embodiment of the present utility model is described above; but the utility model is not limited to above-mentioned embodiment; above-mentioned embodiment only is schematic; rather than it is restrictive; those of ordinary skill in the art is under enlightenment of the present utility model; not breaking away under the scope situation that the utility model aim and claim protect, also can make a lot of forms, these all belong within the protection of the present utility model.
Claims (10)
1. antenna is characterized in that: second sheet metal that comprises feeder line, first sheet metal, is oppositely arranged with this first sheet metal; This feeder line is by this first sheet metal of coupled modes feed-in, and this second sheet metal is electrically connected with this feeder line; Be formed with micro groove structure on this first sheet metal.
2. antenna as claimed in claim 1 is characterized in that: this micro groove structure comprise complementary split ring resonator structure, complementary helix structure, opening helical ring structure, two opening helical ring structure, complementary folding line structure and by several structures in front derive, compound or a micro groove structure that the group battle array obtains.
3. antenna as claimed in claim 1 is characterized in that: this feeder line is by this first sheet metal of capacitive coupling feed-in.
4. antenna as claimed in claim 1 is characterized in that: but be provided with the short circuit point between this feeder line and this first sheet metal, but should make this feeder line with this first sheet metal of inductive coupled mode feed-in with this first sheet metal by this feeder line of short circuit point electrical connection.
5. antenna as claimed in claim 1 is characterized in that: this micro groove structure by etching, bore quarter, photoetching, electronics is carved or ion is carved and is formed on this first sheet metal.
6. antenna as claimed in claim 1 is characterized in that: this antenna also comprises the medium that is filled between this first sheet metal and this second sheet metal.
7. antenna as claimed in claim 6 is characterized in that: this medium is made by ceramic material, macromolecular material, ferroelectric material or ferrite material.
8. antenna as claimed in claim 6 is characterized in that: this medium is formed with plated-through hole, by this plated-through hole this feeder line and this second sheet metal is electrically connected.
9. MIMO antenna, it is characterized in that: this MIMO antenna comprises the described antenna of a plurality of claims 1.
10. MIMO antenna as claimed in claim 9 is characterized in that: each feeder line in this MIMO antenna connects a reception/transmitter, and all receptions/transmitter connects baseband signal processor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201822819U CN202094299U (en) | 2011-06-01 | 2011-06-01 | Antenna and MIMO antenna comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201822819U CN202094299U (en) | 2011-06-01 | 2011-06-01 | Antenna and MIMO antenna comprising same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202094299U true CN202094299U (en) | 2011-12-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN2011201822819U Expired - Lifetime CN202094299U (en) | 2011-06-01 | 2011-06-01 | Antenna and MIMO antenna comprising same |
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| CN (1) | CN202094299U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102593602A (en) * | 2012-02-29 | 2012-07-18 | 深圳光启创新技术有限公司 | Negative magnetic permeability meta-material |
| CN102593600A (en) * | 2012-02-29 | 2012-07-18 | 深圳光启创新技术有限公司 | Negative magnetic permeability metamaterial |
| CN102593601A (en) * | 2012-02-29 | 2012-07-18 | 深圳光启创新技术有限公司 | Negative magnetic permeability metamaterial |
| CN102593595A (en) * | 2012-02-29 | 2012-07-18 | 深圳光启创新技术有限公司 | Negative magnetic permeability metamaterial |
| CN102680508A (en) * | 2012-04-28 | 2012-09-19 | 深圳光启创新技术有限公司 | Nuclear magnetic resonance oil content measuring device based on metamaterial |
| CN103296390A (en) * | 2012-02-29 | 2013-09-11 | 深圳光启创新技术有限公司 | Monopole antenna |
| CN103378421A (en) * | 2012-04-27 | 2013-10-30 | 深圳光启创新技术有限公司 | Multi-antenna assembly and wireless mobile interconnecting device thereof |
-
2011
- 2011-06-01 CN CN2011201822819U patent/CN202094299U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102593602A (en) * | 2012-02-29 | 2012-07-18 | 深圳光启创新技术有限公司 | Negative magnetic permeability meta-material |
| CN102593600A (en) * | 2012-02-29 | 2012-07-18 | 深圳光启创新技术有限公司 | Negative magnetic permeability metamaterial |
| CN102593601A (en) * | 2012-02-29 | 2012-07-18 | 深圳光启创新技术有限公司 | Negative magnetic permeability metamaterial |
| CN102593595A (en) * | 2012-02-29 | 2012-07-18 | 深圳光启创新技术有限公司 | Negative magnetic permeability metamaterial |
| CN103296390A (en) * | 2012-02-29 | 2013-09-11 | 深圳光启创新技术有限公司 | Monopole antenna |
| CN103378421A (en) * | 2012-04-27 | 2013-10-30 | 深圳光启创新技术有限公司 | Multi-antenna assembly and wireless mobile interconnecting device thereof |
| CN103378421B (en) * | 2012-04-27 | 2017-04-26 | 深圳光启智能光子技术有限公司 | Multi-antenna assembly and wireless mobile interconnecting device thereof |
| CN102680508A (en) * | 2012-04-28 | 2012-09-19 | 深圳光启创新技术有限公司 | Nuclear magnetic resonance oil content measuring device based on metamaterial |
| CN102680508B (en) * | 2012-04-28 | 2016-04-20 | 深圳光启创新技术有限公司 | Based on the nuclear magnetic resonance oil content determinator of Meta Materials |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHENZHEN KUANG-CHI INNOVATION TECHNOLOGY CO., LTD. Effective date: 20111202 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20111202 Address after: 518000 Shenzhen City, Guangdong Province, Nanshan District high tech Zone in the middle of the high and new one of the software building No. 9 Co-patentee after: Shenzhen Kuang-Chi Innovation Technology Co., Ltd. Patentee after: Shenzhen Kuang-Chi Institute of Advanced Technology Address before: 518000 Shenzhen City, Guangdong Province, Nanshan District high tech Zone in the middle of the high and new one of the software building No. 9 Patentee before: Shenzhen Kuang-Chi Institute of Advanced Technology |
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| ASS | Succession or assignment of patent right |
Free format text: FORMER OWNER: SHENZHEN KUANG-CHI INNOVATION TECHNOLOGY CO., LTD. Effective date: 20150708 Owner name: SHENZHEN GUANGQI INTELLIGENT PHOTONICS TECHNOLOGY Free format text: FORMER OWNER: SHENZHEN KUANG-CHI INSTITUTE OF ADVANCED TECHNOLOGY Effective date: 20150708 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150708 Address after: 518000 Guangdong city of Shenzhen province Futian District Shennan Road and CaiTian Road intersection East Xintiandi Plaza C block 2007-27 Patentee after: Shenzhen Guang Qi intelligent photonic Technology Co., Ltd. Address before: 518000 Nanshan District City, Guangdong province high tech Zone in the middle of a high tech building, No. 9 software building Patentee before: Shenzhen Kuang-Chi Institute of Advanced Technology Patentee before: Shenzhen Kuang-Chi Innovation Technology Co., Ltd. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111228 |