CN104681927A - Antenna - Google Patents
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- CN104681927A CN104681927A CN201310617950.4A CN201310617950A CN104681927A CN 104681927 A CN104681927 A CN 104681927A CN 201310617950 A CN201310617950 A CN 201310617950A CN 104681927 A CN104681927 A CN 104681927A
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Abstract
The invention provides an antenna, comprising a reflection plate and a radiation unit arranged at one side of the reflection plate; the antenna also comprises a metamaterial plate, comprising a substrate and plural conductive geometric structures arranged on the substrate; the metamaterial plate and the radiation unit are positioned at the same side of the reflection plate and the radiation unit is arranged on the substrate of the metamaterial plate. According to the antenna, the radiation unit is arranged on the metamaterial plate, which comprises a plurality of conductive geometric structures and can effectively inhibit electromagnetic waves. As the conductive geometric structures generate induced current and excite an induced electromagnetic field; the induced electromagnetic field and an original radiation field are overlapped to generate new field distribution; by setting the size and interval of the conductive geometric structures, the induced electromagnetic field and the original radiation field can generate in-phase overlapping, thus improving the directivity of the antenna and narrowing the main lobe beamwidth of the antenna.
Description
Technical field
The present invention relates to wireless technical field, more specifically, relate to a kind of antenna.
Background technology
Antenna for base station is the important composition parts of Modern Mobile Communications Systems, is used to receive and propagation of electromagnetic waves.The fast development of present mobile communication business, proposes more and more higher requirement to the indices of antenna for base station, especially shows yield value, bandwidth characteristic, cross polarization characteristics, the main lobe width aspect such as fluctuation, front and back specific characteristic with frequency.
In the prior art, such as, for making the lobe width needed for antenna acquisition orientation, 65 degree, 90 degree etc., to meet basic network coverage requirement, general employing adjusts radiating element or passes through the means such as increase reflecting plate width.The reflecting plate cross sectional shape of known base station antenna plays an important role for front and back specific characteristic and horizontal radiation pattern.When the front and back ratio of directional antenna reaches certain index, obviously can suppress from the backward co-channel interference of antenna, thus improve capacity of communication system.In order to improve front and back than index, constriction horizontal plane beamwidth, a kind of way is the width continuing to increase metallic reflection plate, reduces the electromagnetic backward diffraction that radiating element radiates, and strengthens the forward radiation of antenna.When reflecting plate is size-constrained, for improving front and back ratio, prior art generally can be well-designed to reflecting plate shape, as patent CN2760786Y, CN101826658A, CN102790284A; For constriction horizontal plane beamwidth, prior art increases parasitic dricetor element above radiating element, as patent CN102804495A, CN202474199U.
For reducing the addressing of mobile communication website and difficulty of building a station, the miniaturization of antenna is a kind of inexorable trend.But when indices requires higher, conventional aerial design means of the prior art is still difficult to the miniaturization realizing antenna.
Summary of the invention
The object of the invention is the antenna providing a kind of miniaturization.
The invention provides a kind of antenna, comprise reflecting plate and the radiating element being arranged at reflecting plate side, antenna also comprises metamaterial board, metamaterial board comprises substrate and is arranged on multiple conduction geometries on substrate, and metamaterial board and radiating element are positioned at the same side of reflecting plate and radiating element is arranged on the substrate of metamaterial board.
Further, multiple conduction geometry is arranged at around radiating element.
Further, multiple conduction geometry distributes around radiating element.
Further, the graphic projection of multiple conduction geometry composition is rotational symmetric or axisymmetric in the same plane being parallel to substrate.
Further, conduction geometry and/or radiating element form functional layer on substrate, and wherein, each conduction geometry and radiating element are arranged in same functional layer; Or multiple conduction geometry is arranged in multiple functional layer, radiating element is arranged at least one functional layer in multiple functional layers at multiple conduction geometry place; Or multiple conduction geometry is arranged at least one functional layer, and radiating element is arranged in the functional layer different from this at least one functional layer.
Further, the multiple conduction geometries being positioned at the same functional layer on substrate are so arranged: the surface of the substrate at multiple conduction geometry place is divided into multiple rectangle with many imaginary lines, wherein, each rectangle inside correspondence except the position corresponding to radiating element arranges a conduction geometry.
Further, the center of each conduction geometry and the center superposition of corresponding rectangle.
Further, the exterior contour of conduction geometry is positioned on a square, and foursquare every bar limit is parallel with part imaginary line.
Further, substrate comprises at least one laminate body, between the two-layer plate body that functional layer is adjacent in two surfaces and/or at least one laminate body of substrate.
Further, at least one laminate body comprises dielectric-slab, cystosepiment and/or cellular board.
Further, substrate comprises the first surface and second surface that are oppositely arranged, each conduction geometry is separately positioned on first surface and second surface, and the conduction geometry being positioned at first surface is arranged with the conduction geometry one_to_one corresponding being positioned at second surface.
Further, each conduction geometry being positioned at second surface aligns relative to the conduction geometry being positioned at first surface corresponding with it half-twist and center in the plane at second surface place.
Further, radiating element is printed on substrate with conduction geometry; Or radiating element is sprayed on substrate with conduction geometry; Or radiating element is plated on substrate with conduction geometry.
Further, the arrangement of multiple conduction geometry is: the resonance frequency multiple conduction geometry being coupled with radiating element produce lower than designated frequency band in the working frequency range of antenna low-limit frequency and be more than or equal to 80% of low-limit frequency.
Further, conduct electricity geometry be projected in be parallel to substrate plane in be rotational symmetric or axisymmetric.
Further, reflecting plate comprises two blocks of side plates at the rectangular base plate two ends relative with on the Width being positioned at base plate, and side plate extends from base plate towards the direction of metamaterial board.
Further, antenna comprises multiple radiating element, and multiple radiating element is matrix arrangement or linear array, and reflecting plate also comprises the dividing plate separating each radiating element, and dividing plate is between two blocks of side plates, and dividing plate extends from base plate towards the direction of metamaterial board.
Further, antenna comprises multiple radiating element, and each radiating element is matrix arrangement or linear array.
Further, each radiating element is arranged in same metamaterial board; Or, the corresponding one piece of metamaterial board of each radiating element, each radiating element is arranged in corresponding metamaterial board; Or multiple radiating element grouping is arranged, and often organizes radiating element correspondence and arranges one piece of metamaterial board, often organizes radiating element and is arranged in corresponding metamaterial board.
Further, antenna also comprises bracing or strutting arrangement, and bracing or strutting arrangement comprises many support bars, and the two ends of every root support bar are fixedly connected with reflecting plate with metamaterial board respectively.
Further, antenna also comprises radome, and radiating element, reflecting plate and metamaterial board are all arranged in radome, and wherein, metamaterial board is fixed on radome.
According to antenna of the present invention, radiating element is arranged in metamaterial board, and metamaterial board comprises multiple conduction geometry, can play effective modulating action to electromagnetic wave.Because conduction geometry produces induced current, and inspire induction field, induction field superposes with primary radiation field and produces new field distribution, by arranging size and the spacing of conduction geometry, induction field and primary radiation field can be made to produce in-phase stacking, thus improve the directivity of antenna, the main lobe beamwidth of constriction antenna.
Accompanying drawing explanation
The accompanying drawing forming a application's part is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structure chart of antenna according to the preferred embodiment of the invention;
The vertical view of the antenna element that a radiating element of the antenna that Fig. 2 is the preferred embodiment shown in Fig. 1 is corresponding;
The structural representation of the conduction geometry of metamaterial board in the antenna that Fig. 3 is the preferred embodiment shown in Fig. 1;
The antenna without metamaterial board that Fig. 4 is the preferred embodiment shown in Fig. 1 and prior art is at the horizontal directivity pattern simulation result of 1880MHz;
The antenna without metamaterial board that Fig. 5 is the preferred embodiment shown in Fig. 1 and prior art is at the horizontal directivity pattern simulation result of 2025MHz;
The reflection parameters curve without the antenna of metamaterial board that Fig. 6 is the preferred embodiment shown in Fig. 1 and prior art;
The heteropolar interport isolation curve without the antenna of metamaterial board that Fig. 7 is the preferred embodiment shown in Fig. 1 and prior art;
The actual gain curve without the antenna of metamaterial board that Fig. 8 is the preferred embodiment shown in Fig. 1 and prior art.
Embodiment
Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.
As depicted in figs. 1 and 2, antenna 100 of the present invention comprises reflecting plate 10 and is arranged at the radiating element 20 of reflecting plate 10 side, antenna 100 also comprises metamaterial board 30, multiple conduction geometries 32 that metamaterial board 30 comprises substrate 31 and arranges on the substrate 31, metamaterial board 30 and radiating element 20 are positioned at the same side of reflecting plate 10 and radiating element 20 is arranged on the substrate 31 of metamaterial board 30.Antenna of the present invention uses preferably as antenna for base station.
Metamaterial board 30 comprises multiple conduction geometry 32, can play effective modulating action to electromagnetic wave.Wherein, the geometry 32 that conducts electricity refers to the structure with certain geometrical shape and response frequency characteristic, as metal structure.Because conduction geometry 32 has electroresponse and magnetic response characteristic, produce induced current, and be excited to inspire induction field, induction field superposes with primary radiation field and produces new field distribution, by arranging size and the spacing of conduction geometry, induction field and primary radiation field can be made to produce in-phase stacking, thus improve the directivity of antenna, the main lobe beamwidth of constriction antenna.
Further, radiating element is arranged in metamaterial board, can when metamaterial board and radiating element be processed simple, easy to assembly, while not increasing antenna height, make antenna gain obviously promote, horizontal plane angle narrows.
As shown in Figure 2, multiple conduction geometry 32 is arranged at radiating element 20 around.Preferably, multiple conduction geometry 32 distributes around radiating element 20.Further preferably, the graphic projection that multiple conduction geometry 32 forms is rotational symmetric or axisymmetric in the same plane being parallel to substrate 31.The arrangement mode of multiple conduction geometry is rationally set, induction field and primary radiation field can be made to produce the coupling effect needed.
Conduction geometry 32 and/or radiating element 20 form functional layer on substrate 30.Wherein, each conduction geometry 32 and radiating element 20 can be arranged in same functional layer.Or multiple conduction geometry 32 is arranged in multiple functional layer, radiating element 20 is arranged in one or several functional layer in multiple functional layer.Or multiple conduction geometry 32 is arranged at least one functional layer, radiating element 20 is arranged in another functional layer different from this at least one functional layer.
Substrate 31 comprises at least one laminate body, between the two-layer plate body that functional layer is adjacent in two surfaces and/or at least one laminate body of substrate 31.Wherein, at least one laminate body can comprise dielectric-slab, cystosepiment and/or cellular board.
Such as, in the present embodiment, substrate 31 only comprises one deck dielectric-slab, on the relative first surface that radiating element 20 and each conduction geometry are separately positioned on this dielectric-slab and second surface.Preferably, antenna 100 adopts wide dipole antenna.The conduction geometry 32 being positioned at first surface is arranged with conduction geometry 32 one_to_one corresponding being positioned at second surface.More preferably, each conduction geometry 32 being positioned at second surface aligns relative to the conduction geometry 32 being positioned at first surface corresponding with it half-twist and center in the plane at second surface place.And radiating element 20 can only in first surface and second surface be printed, also can all print over the first and second surface.Arrange for conduction geometry relative to the one side at medium substrate at the two-sided set-up mode arranging conduction geometry of dielectric-slab, be conducive to for two kinds of orthogonal polarization electromagnetic wave propagations.
Coupling between conduction geometry 32 and radiating element 20 can produce specific resonance frequency, and can adjust this resonance frequency by the size of conduction geometry 32, near this resonance frequency, directivity factor has obvious lifting.And by adjusting the spacing between conduction geometry 32, the distance between conduction geometry 32 and radiating element 20, also can resonance frequency be finely tuned, the degree of depth of reflectivity curve can also be adjusted simultaneously.Therefore, select suitable conduction geometric structure diamete and arrangement mode, the gain of antenna can be made to have obvious lifting, thus narrow wave beam.
In addition, radiating element 20 can adopt the mode of printing, spray or electroplating to be arranged on substrate 31 with conduction geometry 32.Radiating element 20 makes jointly with conduction geometry 32, simplifies production process, improves make efficiency.
The arrangement of the conduction geometry in Fig. 2 is schematic, and such as, the size and number of conduction geometry unit is all schematic.
Multiple conduction geometry 32 is preferably arranged: the size of conduction geometry 32 and the resonance frequency that it is coupled with radiating element 20 the produce low-limit frequency a little less than designated frequency band in the working frequency range of antenna of arranging.The frequency range be concerned about when designated frequency band in the present invention refers to designing antenna.Because the working frequency range of antenna is usually wider, such as, antenna can work between working frequency range 1710MHz to 2690MHZ, and conduct electricity the frequency range relative narrower that geometry works, therefore, when designing antenna, geometry need be conducted electricity accordingly for a certain frequency range (or some frequency range) design, such as, designated frequency band for the 1710MHz to 1880MHz in the working frequency range 1710MHz to 2690MHZ of antenna carries out proposing high performance design, the frequency range of this 1710MHz to 1880HHz is exactly be concerned about designated frequency band, wherein 1710MHz is the low-limit frequency in designated frequency band.
Preferably, the resonance frequency making multiple conduction geometry 32 be coupled with radiating element 20 to produce lower than the designated frequency band of antenna 100 low-limit frequency and be more than or equal to 80% of this low-limit frequency; More preferably, the resonance frequency making multiple conduction geometry 32 be coupled with radiating element 20 to produce lower than the designated frequency band of antenna 100 low-limit frequency and be more than or equal to 90% of this low-limit frequency; Such as, aforementioned resonant frequency can be made lower than the low-limit frequency of the designated frequency band of antenna 100 and be more than or equal to 92% of this low-limit frequency.More than conducting electricity the size of geometry and arrangement mode can make the directivity of antenna get a promotion.
In the present embodiment preferably, conduct electricity geometry 32 be projected in be parallel to substrate 31 same plane in be rotational symmetric or axisymmetric.As shown in Figure 2, the multiple conduction geometries 32 be positioned on substrate 31 are preferably so arranged: the surface of the substrate 31 at multiple conduction geometry 32 place is divided into multiple rectangle with many imaginary lines, wherein, each rectangle inside correspondence except radiating element 20 position arranges a conduction geometry 32, and the center of each conduction geometry 32 and the center superposition of corresponding rectangle.Further preferably, the exterior contour of conduction geometry 32 is positioned on a square, and foursquare every bar limit is parallel with part imaginary line 10.
As shown in Figure 3, the conduction geometry 32 of the present embodiment comprises: I-shaped main body 321 and four branch lines 322.I-shaped main body 321 comprises a first main line 321A and two the second main line 321B, and the two ends of the first main line 321A are vertically connected to the mid point of two second main line 321B respectively.Four branch lines 322 are all parallel with the first main line and between two second main lines 321, and the end of each branch line 322 is connected to each end of two second main line 321B correspondingly.
Embodiment shown in Fig. 3 should not be construed as limiting the invention.Such as, conduction geometry 32 can also be I-shaped, snowflake shape, other shape of cross etc.
Further, reflecting plate 10 comprises rectangular base plate 11 and the two blocks of side plates 12 being positioned at two ends relative on the Width of base plate 11, and side plate 12 extends from base plate 11 towards the direction of metamaterial board 30.Side plate 12 can be vertical relative to base plate 11, also can be off plumb.
In addition, antenna 100 comprises multiple radiating element 20, and multiple radiating element 20 is arrangement or linear array in matrix, and reflecting plate 10 also comprises the dividing plate 13 separating each radiating element 20, dividing plate 13 is between two blocks of side plates 12, and dividing plate 13 extends from base plate 11 towards the direction of metamaterial board 30.Dividing plate 13 is preferably vertical relative to base plate, but also can be set to out of plumb as required.
In the embodiment shown in Fig. 1 and Fig. 2, only schematically show a radiating element 20, but antenna 100 can comprise multiple radiating element 20, each radiating element 20 is arrangement or linear array in matrix.
Wherein, each radiating element 20 can be arranged in same metamaterial board.Or the corresponding one piece of metamaterial board 30 of each radiating element 20, each radiating element 20 is arranged in corresponding metamaterial board 30.Or multiple radiating element 20 divides into groups to arrange, often organize radiating element 20 correspondence and one piece of metamaterial board 30 is set, often organize radiating element 20 and be arranged in corresponding metamaterial board 30.
Antenna 100 can also comprise bracing or strutting arrangement (not shown), and bracing or strutting arrangement such as can comprise many support bars, and the two ends of every root support bar are fixedly connected with reflecting plate with metamaterial board respectively, thus metamaterial board are arranged on reflecting plate.
In addition, antenna 100 can also comprise radome.Radiating element in reflecting plate and metamaterial board and metamaterial board is all arranged in radome.When not arranging bracing or strutting arrangement, metamaterial board can be fixed on radome.
In the antenna of the present embodiment, designated frequency band is set as 1880 to 2025MHz.Fig. 4 to Fig. 8 is the contrast schematic diagram without each parameter of the antenna of metamaterial board of prior art under the embodiment of the present invention and equal conditions.Data show, antenna 100 provided by the invention, and narrower reflecting plate can be adopted to realize higher antenna gain, constriction antenna lobe width.Thus, the miniaturization of antenna 100 can be realized.
Fig. 4 is the antenna 100 of the present embodiment and the horizontal directivity pattern simulation result of antenna at 1880MHz without metamaterial board.Fig. 5 is the antenna 100 of the present embodiment and the horizontal directivity pattern simulation result of antenna at 2025MHz without metamaterial board.In figure, the far field actual gain of the represented by dotted arrows embodiment of the present invention, solid line represents the far field actual gain without the antenna of metamaterial board of prior art.From Fig. 4 and Fig. 5, under the condition of 1880MHz and 2025MHz, the lobe width of the antenna 100 of the present embodiment narrows than the lobe width of the antenna without metamaterial board, and antenna gain increases.
Fig. 6 is the antenna 100 of the present embodiment and the reflection parameters curve of antenna without metamaterial board.Wherein, the reflection parameters S1 of the represented by dotted arrows embodiment of the present invention, solid line represents the reflection parameters S1 without the antenna of metamaterial board of prior art.As shown in Figure 6, in designated frequency band 1880 to 2025MHz, worsening does not appear in the standing wave of antenna.
Fig. 7 is the antenna 100 of the present embodiment and the heteropolar interport isolation curve of antenna without metamaterial board.Wherein, the isolation curve of the represented by dotted arrows embodiment of the present invention, realizes the heteropolar interport isolation curve without the antenna of metamaterial board representing prior art.As shown in Figure 7, in designated frequency band 1880 to 2025MHz, the isolation between the heteropolar port of antenna is not obviously deteriorated.
Fig. 8 is the antenna 100 of the present embodiment and the actual gain curve of antenna without metamaterial board.Wherein, the actual gain curve of the represented by dotted arrows embodiment of the present invention, solid line represents the actual gain curve without the antenna of metamaterial board of prior art.As shown in Figure 8, in the frequency range of designated frequency band 1880MHz to 2025MHz, the antenna 100 of the present embodiment has higher actual gain compared with not having the antenna of metamaterial board.Thus, in the frequency range that the antenna of the present embodiment can be implemented in certain limit, there is higher actual gain.
As can be seen from the above description, the above embodiments of the present invention achieve following technique effect:
Radiating element is arranged in metamaterial board, and metamaterial board comprises regular array and well-designed conduction geometry, can play effective modulation to electromagnetic wave.Because conduction geometry distributes around the radiating element of antenna, produce induced current, and inspire induction field, induction field superposes with primary radiation field and produces new field distribution, by arranging size and the spacing of conduction geometry, induction field and primary radiation field can be made to produce in-phase stacking, thus improve the directivity of antenna, the main lobe beamwidth of constriction antenna.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (21)
1. an antenna, comprise reflecting plate (10) and be arranged at the radiating element (20) of described reflecting plate (10) side, it is characterized in that, described antenna also comprises metamaterial board (30), described metamaterial board (30) comprises substrate (31) and is arranged on the multiple conduction geometries (32) on described substrate (31), and described metamaterial board (30) and described radiating element (20) are positioned at the same side of described reflecting plate (10) and described radiating element (20) is arranged on the described substrate (31) of described metamaterial board (30).
2. antenna according to claim 1, is characterized in that, described multiple conduction geometry (32) is arranged at described radiating element (20) around.
3. antenna according to claim 2, is characterized in that, described multiple conduction geometry (32) distributes around described radiating element (20).
4. antenna according to claim 3, is characterized in that, the graphic projection that described multiple conduction geometry (32) forms is rotational symmetric or axisymmetric in the same plane being parallel to described substrate (31).
5. antenna according to claim 1, is characterized in that, described conduction geometry (32) and/or described radiating element (20) form functional layer on described substrate (30), wherein,
Each described conduction geometry (32) and described radiating element (20) are arranged in same functional layer;
Or described multiple conduction geometry (32) is arranged in multiple functional layer, described radiating element (20) is arranged at least one functional layer in described multiple functional layer at described multiple conduction geometry (32) place;
Or described multiple conduction geometry (32) is arranged at least one functional layer, and described radiating element (20) is arranged in the functional layer different from this at least one functional layer.
6. antenna according to claim 5, it is characterized in that, the described multiple conduction geometries (32) being positioned at the same functional layer on described substrate (31) are so arranged: the surface of the substrate (31) at described multiple conduction geometry (32) place is divided into multiple rectangle with many imaginary lines, wherein, each described rectangle inside correspondence except the position corresponding to described radiating element (20) arranges a described conduction geometry (32).
7. antenna according to claim 6, is characterized in that, each center of described conduction geometry (32) and the center superposition of corresponding described rectangle.
8. antenna according to claim 6, is characterized in that, the exterior contour of described conduction geometry (32) is positioned on a square, and described foursquare every bar limit is parallel with the described imaginary line of part (10).
9. antenna according to claim 5, is characterized in that, described substrate (31) comprises at least one laminate body, and described functional layer is arranged between two surfaces of described substrate (31) and/or the adjacent two-layer plate body of described at least one laminate body.
10. antenna according to claim 9, is characterized in that, described at least one laminate body comprises dielectric-slab, cystosepiment and/or cellular board.
11. antennas according to claim 1, it is characterized in that, described substrate (31) comprises the first surface and second surface that are oppositely arranged, each described conduction geometry (32) is separately positioned on described first surface and described second surface, and the conduction geometry (32) being positioned at described first surface is arranged with conduction geometry (32) one_to_one corresponding being positioned at described second surface.
12. antennas according to claim 11, it is characterized in that, each described conduction geometry (32) being positioned at described second surface is alignd relative to the described conduction geometry (32) being positioned at described first surface corresponding with it half-twist and center in the plane at described second surface place.
13. antennas according to claim 1, is characterized in that,
Described radiating element (20) and described conduction geometry (32) are printed on described substrate (31); Or,
Described radiating element (20) and described conduction geometry (32) are sprayed on described substrate (31); Or,
Described radiating element (20) and described conduction geometry (32) are plated on described substrate (31).
14. antennas according to claim 1, it is characterized in that, described multiple conduction geometry (32) arrangement is: the resonance frequency described multiple conduction geometry (32) being coupled with described radiating element (20) produce lower than designated frequency band in the working frequency range of described antenna low-limit frequency and be more than or equal to 80% of described low-limit frequency.
15. antennas according to claim 1, is characterized in that, described conduction geometry (32) be projected in be parallel to described substrate (31) plane in be rotational symmetric or axisymmetric.
16. antennas according to claim 1, it is characterized in that, described reflecting plate (10) comprises rectangular base plate (11) and the two pieces of side plates (12) being positioned at two ends relative on the Width of described base plate (11), and described side plate (12) extends from described base plate (11) towards the direction of described metamaterial board (30).
17. antennas according to claim 16, it is characterized in that, described antenna comprises multiple described radiating element (20), multiple described radiating element (20) arranges or linear array in matrix, described reflecting plate (10) also comprises the dividing plate (13) separating each described radiating element (20), described dividing plate (13) is positioned between described two pieces of side plates (12), and described dividing plate (13) extends from described base plate (11) towards the direction of described metamaterial board (30).
18. antennas according to claim 1, is characterized in that, described antenna comprises multiple described radiating element (20), and each described radiating element (20) arranges or linear array in matrix.
19. antennas according to claim 18, is characterized in that,
Each described radiating element (20) is arranged in same metamaterial board (30);
Or, the corresponding one piece of described metamaterial board (30) of each described radiating element (20), each described radiating element (20) is arranged in corresponding described metamaterial board (30);
Or multiple described radiating element (20) grouping is arranged, and often organizes described radiating element (20) correspondence and arranges one piece of described metamaterial board (30), often organizes described radiating element (20) and is arranged in corresponding described metamaterial board (30).
20. antennas according to claim 1, it is characterized in that, described antenna also comprises bracing or strutting arrangement, described bracing or strutting arrangement comprises many support bars, and described in every root, the two ends of support bar are fixedly connected with described reflecting plate with described metamaterial board respectively.
21. antennas according to claim 1, is characterized in that, described antenna also comprises radome, and described radiating element, described reflecting plate and described metamaterial board are all arranged in described radome, and wherein, described metamaterial board is fixed on described radome.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310617950.4A CN104681927A (en) | 2013-11-27 | 2013-11-27 | Antenna |
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| CN201310617950.4A CN104681927A (en) | 2013-11-27 | 2013-11-27 | Antenna |
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| CN107681252A (en) * | 2017-09-01 | 2018-02-09 | 上海交通大学 | A kind of method that Compact high-gain antenna is made using sub-wavelength period disresonance structure coating |
| CN110518362A (en) * | 2019-09-03 | 2019-11-29 | 山东大学 | A kind of microstrip antenna and application based on metamaterial |
| CN111585012A (en) * | 2020-06-18 | 2020-08-25 | 西安电子科技大学 | Integrated modulable metamaterial antenna housing and antenna assembly |
| CN111600127A (en) * | 2020-05-27 | 2020-08-28 | 西安朗普达通信科技有限公司 | Novel array antenna system |
| CN112928450A (en) * | 2021-01-21 | 2021-06-08 | 武汉虹信科技发展有限责任公司 | Base station antenna and communication base station |
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| CN113745848A (en) * | 2020-05-29 | 2021-12-03 | 华为技术有限公司 | Antenna, use method and communication base station |
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| CN111600127A (en) * | 2020-05-27 | 2020-08-28 | 西安朗普达通信科技有限公司 | Novel array antenna system |
| CN113745848A (en) * | 2020-05-29 | 2021-12-03 | 华为技术有限公司 | Antenna, use method and communication base station |
| CN113745848B (en) * | 2020-05-29 | 2024-03-01 | 华为技术有限公司 | Antenna, using method and communication base station |
| CN111585012A (en) * | 2020-06-18 | 2020-08-25 | 西安电子科技大学 | Integrated modulable metamaterial antenna housing and antenna assembly |
| CN112928450A (en) * | 2021-01-21 | 2021-06-08 | 武汉虹信科技发展有限责任公司 | Base station antenna and communication base station |
| CN112928450B (en) * | 2021-01-21 | 2023-04-14 | 中信科移动通信技术股份有限公司 | Base station antenna and communication base station |
| CN113745843A (en) * | 2021-08-26 | 2021-12-03 | 北京机械设备研究所 | Fluidic reconstruction super-surface and manufacturing method thereof |
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Application publication date: 20150603 |