CN103094700B - Based on the outdoor unit of super material antenna - Google Patents
Based on the outdoor unit of super material antenna Download PDFInfo
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- CN103094700B CN103094700B CN201110331073.5A CN201110331073A CN103094700B CN 103094700 B CN103094700 B CN 103094700B CN 201110331073 A CN201110331073 A CN 201110331073A CN 103094700 B CN103094700 B CN 103094700B
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Abstract
The present invention relates to a kind of outdoor unit based on super material antenna, it comprises baseband signal processing unit, up-link, downlink, 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 multiple artificial metal's micro-structurals and form. The present invention is by replacing to existing antenna on super material antenna of the present invention, described super material antenna forms by a side that super material panel is arranged on to antenna body, thereby most of electromagnetic wave that radiating doublet produces reflects and converges to same direction via super material panel, thereby greatly reduce 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
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
Microwave communication technology refers to directly and between microwave equipment, transmits number by space with the form of microwaveAccording to, do not need to lay optical fiber or cable etc., for example, in city, remote districts or (river, special areaStream etc.) there is obvious engineering advantage. Microwave technology networking is convenient, and occupation mode is flexible, service fulfillmentTime is short. Along with the development of microwave technology, the cost of microwave equipment reduces gradually, therefore, and microwave technologyUse more and more extensive. Indoor unit (IndoorUnit, IDU) and outdoor unit (OutdoorUnit,ODU) be two kinds of common microwave equipments, IDU is connected with ODU by immediate frequency cable, during IDU passes throughFrequently cable is controlled ODU, and ODU is generally arranged on steel tower, and ODU is provided with antenna, passes throughAntenna sends radiofrequency signal. In order to reach needed transmission range and required signal quality,The smart antenna that the antenna of existing outdoor unit is normally made up of some antenna elements, and smart antennaVolume is large and cost is high, thereby can not meet 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 ofHigh-gain, the outdoor unit based on super material antenna that volume is little and cost is low.
The technical solution adopted for the present invention to solve the technical problems is to propose a kind of based on super material antennaOutdoor unit, it comprise baseband signal processing unit, up-link, downlink, duplexer and dayLine. Described antenna is super material antenna, and described super material antenna comprises antenna body and is positioned at described antennaThe super material panel of body one side, described super material panel is provided with some layers, and every one deck is by the base of sheetThe end and be arranged on described suprabasil multiple artificial metal's micro-structurals composition.
Further, the effective dielectric constant of described super material panel and equivalent permeability are by surpassing material panelMiddle mind-set surrounding diminish gradually.
Further, the size of described artificial metal's micro-structural diminishes towards periphery gradually from the center of every one deck.
Further, the described center taking substrate is artificial metal's micro-structural chi at the same radius place in the center of circleVery little size is identical.
Further, described artificial metal's micro-structural is I-shaped.
Further, described substrate is by high molecular polymer, pottery, ferroelectric material, ferrite material or ironMagnetic material is made; Described artificial metal's micro-structural is made up of metal material.
Further, described artificial metal's micro-structural can be by etching, plating, brill quarter, photoetching, electronicsQuarter, ion are carved and are placed in described substrate.
Further, described up-link comprise order electrical connection upconverter, the first mixing unit,The second mixing unit and power amplifier, described upconverter is electrically connected with described baseband signal processing unit,Described power amplifier is electrically connected with described duplexer.
Further, described downlink comprises low noise amplifier, frequency mixer, the band of order electrical connectionBandpass filter and low-converter, described low noise amplifier is electrically connected with described duplexer, described down coversionDevice is electrically connected with described baseband signal processing unit.
Further, described second frequency mixer of mixing unit and the frequency mixer of described downlink are connected withLocal oscillator, described local oscillator and described power amplifier are connected with controller.
In sum, the outdoor unit that the present invention is based on super material antenna is by replacing to existing antennaSuper material antenna of the present invention, described super material antenna is by being arranged on super material panel antenna bodyOne side forms, thereby most of electromagnetic wave that radiating doublet produces is via super material panel refraction and to sameDirection converges, thereby has greatly reduced the width of radiated wave lobe, and the gain of radio-frequency antenna is able to significantlyImprove, greatly strengthened the signal strength signal intensity of radio-frequency antenna, thereby can be applicable to various rugged environments; ThisOutward, its volume is little, and cost is low.
Brief description of the 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 Fig. 1.
Fig. 3 is the structural representation of the super material panel of the present invention shown in Fig. 2.
Detailed description of the invention
Below in conjunction with drawings and the specific embodiments, the present invention will be further described:
Super material (artificial electromagnetic material) refers to the micro-knot of topological metal of sheet metal being engraved into given shapeStructure, and the topological metal micro structure of described given shape is arranged to certain dielectric constant and magnetic conductivity base materialThe extraordinary electromagnetic material of equivalence upper and processing and manufacturing, its performance parameter depends primarily on the specific of its sub-wavelengthThe topological metal micro structure of shape. In resonance band, artificial electromagnetic material embodies the dispersion of height conventionallyCharacteristic, in other words, the impedance of antenna, holds perception, equivalent dielectric constant and magnetic conductivity along with frequency meetingThere is violent variation. Thereby can adopt artificial electromagnetic material technology to transform the fundamental characteristics of antenna,Make the medium substrate that metal structure depends on it form equivalently a highly dispersed extraordinary electromagnetism materialMaterial, thus realize the new antenna that radiation characteristic is abundant.
Refer to Fig. 1, the outdoor unit that the present invention is based on super material antenna comprises baseband signal processing unit11, up-link 12, downlink 13, duplexer 14 and antenna 15. Described up-link 12 is wrappedDraw together upconverter 121, the first mixing unit 122, second mixing unit 123 and the power of order electrical connectionAmplifier 124, described upconverter 121 is electrically connected with described baseband signal processing unit 11, described meritRate amplifier 124 is electrically connected with described duplexer 14. Described downlink 13 comprises order electrical connectionLow noise amplifier 131, frequency mixer 132, bandpass filter 133 and low-converter 134, described low noisePlayback amplifier 131 is electrically connected with described duplexer 14, described low-converter 134 and described baseband signal placeReason unit 11 is electrically connected. Mixing of the frequency mixer of described the second mixing unit 123 and described downlink 13Frequently device 132 is connected with local oscillator 16, described local oscillator 16 and described power amplifier 124Be connected with controller 17, can be convenient to the output of described local oscillator 16 frequently by described controller 17The control of the gain of rate and described power amplifier 124.
Refer to Fig. 1 to Fig. 3, described radio-frequency antenna 15 is provided with antenna body 151 and is positioned at described dayThe super material panel 152 of line body 151 front end one sides, described antenna body 151 is provided with oscillator 1511,Described super material panel 152 is positioned at a side of described oscillator 1511. Described super material panel 152 is provided withSome layers, every one deck is by the substrate 153 of sheet and be arranged on the multiple artificial metals in described substrate 153Micro-structural 154 forms. Described substrate 153 is by high molecular polymer, pottery, ferroelectric material, iron oxygen materialMaterial or ferromagnetic material are made. Described man-made structures is made up of the metal material such as gold, silver, copper. By super materialTechnology is known, in the situation that base material is selected, by adjusting pattern, the chi of artificial metal's micro-structural 154Very little and spatial distribution on base material, can adjust effective dielectric constant and equivalence everywhere on super materialMagnetic conductivity, and then change super material equivalent refractive index everywhere. When artificial metal's micro-structural 154 adopts phaseWith geometry time, the size of somewhere artificial metal's micro-structural 154 is larger, the equivalent dielectric at this placeConstant and equivalent permeability are larger, and refractive index is also larger.
In the present embodiment, the pattern of artificial metal's micro-structural 154 of employing is I-shaped, substrate 153The size of upper I-shaped artificial metal's micro-structural 154 therefrom mind-set around diminishes gradually, in substrate 153Center, the size maximum of I-shaped artificial metal's micro-structural 154, and at distance center identical halfI-shaped artificial metal's micro-structural 154 at footpath place measure-alike, therefore the equivalent dielectric of substrate 153 is normalNumber and equivalent permeability are diminished to surrounding gradually by centre, middle effective dielectric constant and equivalent permeabilityMaximum, thereby the refractive index of substrate 153 diminishes to surrounding gradually from centre, the refractive index of mid portion isGreatly. By adding described super material panel 152 in antenna body 151 front end one sides, thereby radiation is shakenMost of electromagnetic wave that son produces reflects and converges to same direction via super material panel 152, thereby largeReduce greatly the width of radiated wave lobe, the gain of radio-frequency antenna 15 is significantly improved, greatly strengthenedThe signal strength signal intensity of radio-frequency antenna 15, thereby can be applicable to various rugged environments.
In addition, the present invention is integrated by circuit height, forms small modular equipment, and utilizes microwave waveguideMouth is directly connected with the waveguide mouth of antenna 15, makes two ports realize coupling completely, uses waveguide mouth to replace coaxiallyFeeder line interface, has shortened antenna body 151 to the distance between duplexer, has also realized maximum gain,Also improve equipment nonlinear indicator simultaneously, be convenient to install, debug and safeguard.
In sum, the outdoor unit that the present invention is based on super material antenna is by replacing to existing antennaSuper material antenna of the present invention, described super material antenna is by being arranged on super material panel antenna bodyOne side forms, thereby most of electromagnetic wave that radiating doublet produces is via super material panel refraction and to sameDirection converges, thereby has greatly reduced the width of radiated wave lobe, and the gain of radio-frequency antenna is able to significantlyImprove, greatly strengthened the signal strength signal intensity of radio-frequency antenna, thereby can be applicable to various rugged environments; ThisOutward, its volume is little, and cost is low.
By reference to the accompanying drawings preferred embodiment of the present invention is described above, but the present invention does not limit toIn above-mentioned detailed description of the invention, above-mentioned detailed description of the invention is only schematically, instead of restrictionProperty, those of ordinary skill in the art, under enlightenment of the present invention, is not departing from aim of the present invention and powerIn the scope situation that profit requires to protect, also can make a lot of forms, these all belong to protection of the present inventionWithin scope.
Claims (10)
1. the outdoor unit based on super material antenna, it comprises baseband signal processing unit, uplinkRoad, downlink, duplexer and antenna, is characterized in that: described antenna is super material antenna, described inSuper material antenna comprises antenna body and is positioned at the super material panel of described antenna body one side, described super materialCharge level plate is provided with some layers, and every one deck is by the substrate of sheet and be arranged on described suprabasil multiple artificialMetal micro structure composition; On described antenna body, be provided with oscillator, described in described super material panel is positioned at, shakeOne side of son.
2. the outdoor unit based on super material antenna according to claim 1, is characterized in that: instituteState the effective dielectric constant of super material panel and equivalent permeability by the middle mind-set surrounding that surpasses material panel graduallyDiminish.
3. the outdoor unit based on super material antenna according to claim 1 and 2, 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: instituteState taking the center of substrate as artificial metal's microstructure size size at the same radius place in the center of circle is identical.
5. the outdoor unit based on super material antenna according to claim 4, is characterized in that: instituteState artificial metal's micro-structural and be I-shaped.
6. the outdoor unit based on super material antenna according to claim 5, is characterized in that: instituteStating substrate is made up of high molecular polymer, pottery, ferroelectric material, ferrite material or ferromagnetic material; DescribedArtificial metal's micro-structural is made up of metal material.
7. the outdoor unit based on super material antenna according to claim 6, is characterized in that: instituteState that artificial metal's micro-structural can be carved by etching, plating, brill quarter, photoetching, electronics, ion is carved and is placed in instituteState in substrate.
8. the outdoor unit based on super material antenna according to claim 1 and 2, is characterized in that:Described up-link comprise order electrical connection upconverter, the first mixing unit, the second mixing unit andPower amplifier, described upconverter is electrically connected with described baseband signal processing unit, described power amplificationDevice is electrically connected with described duplexer.
9. the outdoor unit based on super material antenna according to claim 8, is characterized in that: instituteState low noise amplifier, frequency mixer, bandpass filter and down coversion that downlink comprises order electrical connectionDevice, described low noise amplifier is electrically connected with described duplexer, described low-converter and described baseband signalProcessing unit electrical connection.
10. the outdoor unit based on super material antenna according to claim 9, is characterized in that:Described second frequency mixer of mixing unit and the frequency mixer of described downlink are connected with local oscillator, instituteState local oscillator and described power amplifier is 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 |
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| 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 CN103094700A (en) | 2013-05-08 |
| CN103094700B true 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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| Publication number | Publication date |
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| CN103094700A (en) | 2013-05-08 |
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