CN103094700A - Outdoor unit based on metamaterial antenna - Google Patents
Outdoor unit based on metamaterial antenna Download PDFInfo
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- CN103094700A CN103094700A CN2011103310735A CN201110331073A CN103094700A CN 103094700 A CN103094700 A CN 103094700A CN 2011103310735 A CN2011103310735 A CN 2011103310735A CN 201110331073 A CN201110331073 A CN 201110331073A CN 103094700 A CN103094700 A CN 103094700A
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Abstract
The invention relates to an outdoor unit based on a metamaterial antenna. The outdoor unit based on the metamaterial antenna comprises a baseband signal processing unit, an uplink, a lower link, a duplexer and an antenna. The antenna is the metamaterial antenna which comprises an antenna body and a metamaterial panel which is arranged on one side of the antenna body. The metamaterial panel is divided into a plurality of layers. Each layer is composed of a slice-shaped base and a plurality of artificial metal microstructures which are arranged on the base. Due to the fact that the existing antenna is replaced by the metamaterial antenna and the metamaterial panel is arranged on one side of the antenna body, most electromagnetic waves produced by radiation vibrators are reflected by the metamaterial panel and are converged in the same direction, therefore the width of a radiation wave lobe is greatly reduced, the gain of a radio frequency antenna is obviously improved, signal strength of radio frequency antenna is greatly increased, and the metamaterial antenna is capable of being used in various severe environments, small in size and low in cost.
Description
Technical field
The present invention relates to a kind of communication equipment, relate in particular to a kind of outdoor unit based on super material antenna.
Background technology
The microwave communication technology refers to directly to transmit data by the space with the form of microwave between microwave equipment, does not need to lay optical fiber or cable etc., in the city, remote districts or special area (such as the river etc.) have obvious engineering advantage.The microwave technology networking is convenient, and occupation mode is flexible, and the service fulfillment time is short.Along with the development of microwave technology, the cost of microwave equipment reduces gradually, and therefore, the use of microwave technology is more and more extensive.Indoor unit (Indoor Unit, IDU) and outdoor unit (Outdoor Unit, ODU) be two kinds of common microwave equipments, IDU is connected with ODU by immediate frequency cable, IDU controls ODU by immediate frequency cable, ODU generally is arranged on steel tower, and ODU is provided with antenna, by antenna, radiofrequency signal is sent.In order to reach needed transmission range and required signal quality, the smart antenna that the antenna of existing outdoor unit normally is comprised of some antenna elements, and that the smart antenna volume reaches greatly cost is high, thereby can not satisfy the little and development need cheaply of electronic product volume.
Summary of the invention
Technical problem to be solved by this invention is, for above-mentioned the deficiencies in the prior art, proposes a kind of high-gain, volume is little and cost the is low outdoor unit based on super material antenna.
The technical solution adopted for the present invention to solve the technical problems is, proposes a kind of outdoor unit based on super material antenna, and it comprises baseband signal processing unit, up link, down link, duplexer and antenna.Described antenna is super material antenna, described super material antenna comprises antenna body and is positioned at the super material panel of described antenna body one side, described super material panel is provided with some layers, and every one deck is by the substrate of sheet and be arranged on described suprabasil a plurality of artificial metal's micro-structurals and form.
Further, the effective dielectric constant of described super material panel and equivalent permeability are diminished gradually by the middle mind-set surrounding of super material panel.
Further, the size of described artificial metal's micro-structural diminishes towards periphery gradually from the center of every one deck.
Further, described center take substrate as artificial metal's microstructure size size at the same radius place in the center of circle identical.
Further, described artificial metal's micro-structural is I-shaped.
Further, described substrate is made by high molecular polymer, pottery, ferroelectric material, ferrite material or ferromagnetic material; Described artificial metal's micro-structural is made by metal material.
Further, described artificial metal's micro-structural can be carved by etching, plating, brill quarter, photoetching, electronics, ion carves and be placed in described substrate.
Further, described up link comprises upconverter that order is electrically connected to, the first mixing unit, the second mixing unit and power amplifier, described upconverter is electrically connected to described baseband signal processing unit, and described power amplifier is electrically connected to described duplexer.
Further, described down link comprises low noise amplifier, frequency mixer, band pass filter and the low-converter that order is electrically connected to, and described low noise amplifier is electrically connected to described duplexer, and described low-converter is electrically connected to described baseband signal processing unit.
Further, the frequency mixer of described the second mixing unit and the frequency mixer of described down link are connected with local oscillator, and described local oscillator and described power amplifier are connected with controller.
In sum, the present invention is based on the outdoor unit of super material antenna by existing antenna being replaced to super material antenna of the present invention, described super material antenna is arranged on antenna body by surpassing material panel a side forms, thereby most of electromagnetic wave that radiating doublet produces reflects and converges to same direction via super material panel, thereby greatly reduced the width of radiated wave lobe, the gain of radio-frequency antenna is significantly improved, greatly strengthen the signal strength signal intensity of radio-frequency antenna, thereby can be applicable to various rugged environments; In addition, its volume is little, and cost is low.
Description of drawings
Fig. 1 is the theory diagram that the present invention is based on the outdoor unit of super material antenna.
Fig. 2 is the structural representation of drive test antenna of the present invention shown in Figure 1.
Fig. 3 is the structural representation of the super material panel of the present invention shown in Figure 2.
Embodiment
The present invention will be further described below in conjunction with drawings and the specific embodiments:
Super material (artificial electromagnetic material) refers to sheet metal is engraved into the topological metal micro structure of given shape, and the topological metal micro structure of described given shape is arranged on certain dielectric constant and magnetic permeability base material and the equivalent extraordinary electromagnetic material of processing and manufacturing, its performance parameter depends primarily on the topological metal micro structure of the given shape of its sub-wavelength.In resonance band, artificial electromagnetic material embodies the dispersion characteristics of height usually, in other words, the impedance of antenna, holds perception, equivalent dielectric constant and magnetic permeability along with violent variation can occur frequency.Thereby can adopt the artificial electromagnetic material technology that the fundamental characteristics of antenna is transformed, make the medium substrate that metal structure depends on it form equivalently a highly dispersed extraordinary electromagnetic material, thereby realize the new antenna that radiation characteristic is abundant.
See also Fig. 1, the outdoor unit that the present invention is based on super material antenna comprises baseband signal processing unit 11, up link 12, down link 13, duplexer 14 and antenna 15.Described up link 12 comprises upconverter 121 that order is electrically connected to, the first mixing unit 122, the second mixing unit 123 and power amplifier 124, described upconverter 121 is electrically connected to described baseband signal processing unit 11, and described power amplifier 124 is electrically connected to described duplexer 14.Described down link 13 comprises low noise amplifier 131, frequency mixer 132, band pass filter 133 and the low-converter 134 that order is electrically connected to, described low noise amplifier 131 is electrically connected to described duplexer 14, and described low-converter 134 is electrically connected to described baseband signal processing unit 11.The frequency mixer of described the second mixing unit 123 and the frequency mixer 132 of described down link 13 are connected with local oscillator 16, described local oscillator 16 is connected with controller 17 with described power amplifier 124, can be convenient to control to the gain of the output frequency of described local oscillator 16 and described power amplifier 124 by described controller 17.
See also Fig. 1 to Fig. 3, described radio-frequency antenna 15 is provided with antenna body 151 and is positioned at the super material panel 152 of described antenna body 151 front end one sides, described antenna body 151 is provided with oscillator 1511, and described super material panel 152 is positioned at a side of described oscillator 1511.Described super material panel 152 is provided with some layers, and every one deck is comprised of the substrate 153 of sheet and a plurality of artificial metal's micro-structurals 154 that are arranged in described substrate 153.Described substrate 153 is made by high molecular polymer, pottery, ferroelectric material, ferrite material or ferromagnetic material.Described man-made structures is made by metal materials such as gold, silver, copper.By super material technology as can be known, in the situation that base material is selected, by adjusting pattern, size and the spatial distribution on base material thereof of artificial metal's micro-structural 154, can adjust everywhere effective dielectric constant and equivalent permeability on super material, and then change super material equivalent refractive index everywhere.When artificial metal's micro-structural 154 adopted identical geometry, the size of somewhere artificial metal's micro-structural 154 was larger, and effective dielectric constant and the equivalent permeability that should locate are larger, and refractive index is also larger.
in the present embodiment, the pattern of the artificial metal's micro-structural 154 that adopts is I-shaped, in substrate 153, the size of I-shaped artificial metal's micro-structural 154 therefrom diminishes around mind-set gradually, in substrate 153 centers, the size of I-shaped artificial metal's micro-structural 154 is maximum, and measure-alike in I-shaped artificial metal's micro-structural 154 at distance center same radius place, therefore effective dielectric constant and the equivalent permeability of substrate 153 are diminished to surrounding gradually by the centre, middle effective dielectric constant and equivalent permeability are maximum, thereby the refractive index of substrate 153 diminishes to surrounding gradually from the centre, the refractive index of mid portion is maximum.By adding described super material panel 152 in antenna body 151 front end one sides, thereby most of electromagnetic wave that radiating doublet produces is reflected and converges to same direction via super material panel 152, thereby greatly reduced the width of radiated wave lobe, the gain of radio-frequency antenna 15 is significantly improved, greatly strengthen the signal strength signal intensity of radio-frequency antenna 15, thereby can be applicable to various rugged environments.
In addition, the present invention is integrated with circuit height, consist of small modular equipment, and utilize the microwave waveguide mouth directly to be connected with the waveguide mouth of antenna 15, and make two ports realize coupling fully, replace the coaxial feeder interface with the waveguide mouth, shortened antenna body 151 to the distance between duplexer, also realized maximum gain, also improved simultaneously the equipment nonlinear indicator, be convenient to install, debug and safeguard.
In sum, the present invention is based on the outdoor unit of super material antenna by existing antenna being replaced to super material antenna of the present invention, described super material antenna is arranged on antenna body by surpassing material panel a side forms, thereby most of electromagnetic wave that radiating doublet produces reflects and converges to same direction via super material panel, thereby greatly reduced the width of radiated wave lobe, the gain of radio-frequency antenna is significantly improved, greatly strengthen the signal strength signal intensity of radio-frequency antenna, thereby can be applicable to various rugged environments; In addition, its volume is little, and cost is low.
The above is described preferred embodiment of the present invention by reference to the accompanying drawings; but the present invention is not limited to above-mentioned embodiment; above-mentioned embodiment is only schematic; rather than restrictive; those of ordinary skill in the art is under enlightenment of the present invention; not breaking away from the scope situation that aim of the present invention and claim protect, also can make a lot of forms, within these all belong to protection scope of the present invention.
Claims (10)
1. outdoor unit based on super material antenna, it comprises baseband signal processing unit, up link, down link, duplexer and antenna, it is characterized in that: described antenna is super material antenna, described super material antenna comprises antenna body and is positioned at the super material panel of described antenna body one side, described super material panel is provided with some layers, and every one deck is by the substrate of sheet and be arranged on described suprabasil a plurality of artificial metal's micro-structurals and form.
2. the outdoor unit based on super material antenna according to claim 1, it is characterized in that: the effective dielectric constant of described super material panel and equivalent permeability are diminished gradually by the middle mind-set surrounding of super material panel.
3. the outdoor unit based on super material antenna according to claim 1 and 2, it is characterized in that: the size of described artificial metal's micro-structural diminishes towards periphery gradually from the center of every one deck.
4. the outdoor unit based on super material antenna according to claim 3 is characterized in that: described center take substrate as artificial metal's microstructure size size at the same radius place in the center of circle identical.
5. the outdoor unit based on super material antenna according to claim 4, it is characterized in that: described artificial metal's micro-structural is I-shaped.
6. the outdoor unit based on super material antenna according to claim 5, it is characterized in that: described substrate is made by high molecular polymer, pottery, ferroelectric material, ferrite material or ferromagnetic material; Described artificial metal's micro-structural is made by metal material.
7. the outdoor unit based on super material antenna according to claim 6 is characterized in that: described artificial metal's micro-structural can be carved by etching, plating, brill quarter, photoetching, electronics, ion is carved and is placed in described substrate.
8. the outdoor unit based on super material antenna according to claim 1 and 2, it is characterized in that: described up link comprises upconverter that order is electrically connected to, the first mixing unit, the second mixing unit and power amplifier, described upconverter is electrically connected to described baseband signal processing unit, and described power amplifier is electrically connected to described duplexer.
9. the outdoor unit based on super material antenna according to claim 8, it is characterized in that: described down link comprises low noise amplifier, frequency mixer, band pass filter and the low-converter that order is electrically connected to, described low noise amplifier is electrically connected to described duplexer, and described low-converter is electrically connected to described baseband signal processing unit.
10. the outdoor unit based on super material antenna according to claim 9, it is characterized in that: the frequency mixer of described the second mixing unit and the frequency mixer of described down link are connected with local oscillator, and described local oscillator and described power amplifier are connected with controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110331073.5A CN103094700B (en) | 2011-10-27 | 2011-10-27 | Based on the outdoor unit of super material antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201110331073.5A CN103094700B (en) | 2011-10-27 | 2011-10-27 | Based on the outdoor unit of super material antenna |
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| Publication Number | Publication Date |
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| CN103094700A true CN103094700A (en) | 2013-05-08 |
| CN103094700B CN103094700B (en) | 2016-05-04 |
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| CN201110331073.5A Active CN103094700B (en) | 2011-10-27 | 2011-10-27 | Based on the outdoor unit of super material antenna |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101587990A (en) * | 2009-07-01 | 2009-11-25 | 东南大学 | Broad band cylindrical lens antenna based on artificial electromagnetic materials |
| CN101699659A (en) * | 2009-11-04 | 2010-04-28 | 东南大学 | Lens antenna |
| CN102149224A (en) * | 2010-02-05 | 2011-08-10 | 华为技术有限公司 | Method, device and system for transmitting data |
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2011
- 2011-10-27 CN CN201110331073.5A patent/CN103094700B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101587990A (en) * | 2009-07-01 | 2009-11-25 | 东南大学 | Broad band cylindrical lens antenna based on artificial electromagnetic materials |
| CN101699659A (en) * | 2009-11-04 | 2010-04-28 | 东南大学 | Lens antenna |
| CN102149224A (en) * | 2010-02-05 | 2011-08-10 | 华为技术有限公司 | Method, device and system for transmitting data |
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| CN103094700B (en) | 2016-05-04 |
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