CN203521635U - Multi-frequency-band array antenna with compact structure - Google Patents
Multi-frequency-band array antenna with compact structure Download PDFInfo
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- CN203521635U CN203521635U CN201320664222.4U CN201320664222U CN203521635U CN 203521635 U CN203521635 U CN 203521635U CN 201320664222 U CN201320664222 U CN 201320664222U CN 203521635 U CN203521635 U CN 203521635U
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Abstract
The utility model relates to a multi-frequency-band array antenna with a compact structure, which comprises the components of: a metal reflecting board, low-frequency radiating units which are arranged on the metal reflecting board and operate in a lower frequency band, and high-frequency radiating units which operate in a higher frequency band. The low-frequency radiating units and the high-frequency radiating units are nested and arranged on the metal reflecting board. Furthermore the orthographic projections of the low-frequency radiating units and the high-frequency radiating units are not superposed with each other. Each low-frequency radiating unit is obtained through connecting a horizontal oscillator and a vertical oscillator with a feed network. Each low-frequency oscillator has a flexible structure, and the parameters of space, etc. can be flexibly configured according to actual application requirement. The multi-frequency-band array antenna with the compact structure can keep stable radiating characteristic of the multi-frequency-band array antenna in an ultra-wide frequency band range, and is compatible with all standards of 2G, 3G and 4G LTE in mobile communication. Not only can number of antennae used by a base station be reduced for reducing station establishment cost, but also operation and maintenance cost can be reduced.
Description
Technical field
The utility model relates to the communications field, is specifically related to a kind of multiband array antenna of compact conformation.
Background technology
In recent years, take the extensive use of the intelligent mobile terminal that smart mobile phone and panel computer be representative, make the data service in mobile communication occur growth at full speed.In order to meet the requirement to high speed data transfer in mobile communication, both at home and abroad Ge great operator greatly developing take TD-LTE and two kinds of standards of FDD-LTE be main the 4th generation (4G) mobile communication technology.Nowadays, 2G, 3G and be about to universal 4G LTE network and deposit, the system of a plurality of use different frequency ranges exists simultaneously, needs to use the antenna for base station that can be operated in different frequency range.Use common narrow band antenna, many slave antennas just need to be arranged in a base station, have increased system complexity and property cost.In order to reduce networking cost, the broadband and miniaturization of antenna has become one of current focus.
For the multiple communication standard of compatibility, dual-band dual-polarized antenna is used on a large scale.Traditional dual-band antenna adopts high frequency radiation unit to follow the low frequency radiation unit structure of (Side by Side) arranged side by side shoulder to shoulder more, and a kind of broad-band antenna unit that the Australian patent application that publication number is AU2011201657A1 proposes is exactly this form.As shown in Figure 1, its oscillator is positioned at square cavity inside, ring-type tuning circuit and half-wave dipole or paster, consists of.Adopt the dual-band antenna cross section of the radiating element group battle array of this structure can be larger, be unfavorable for realizing the miniaturization of antenna.
In order to reduce the front face area of antenna, high frequency radiation unit and low frequency radiation unit adopt for most of developers by coaxial the arranging of the mode of inlaying.Publication number is a kind of multifrequency array antenna that the Chinese patent application of CN101425626A proposes, and adopts in this way.But, in order to weaken between low-and high-frequency radiating element, be coupled, its spacing can not be too little, causes the front face area of dual-band antenna still very large.
In addition, antenna of the prior art is operated in 790-960MHz and 1710-2690MHz frequency range mostly, is difficult to expand to 700MHz frequency range, is difficult to meet the application demand of 700MHz LTE.Moreover existing mosaic texture is all applicable to a row high frequency radiation unit and a row low frequency radiation unit, if need to increase by a row high frequency radiation unit, must increase a day line width, make its application limited.Thereby be necessary for above problem, develop and a kind ofly the working band of dual-band antenna can be widened to 700MHz frequency range, the ultra broadband multiband aerial of compact conformation.
Utility model content
The purpose of this utility model is, overcomes the defect existing in prior art, provides a kind of multiband array antenna that can cover the compact conformation of 698-960MHz and 1710-2690MHz ultrabroad band, with all frequency ranges of the current mobile communications network of compatibility.
For achieving the above object, the utility model is by the following technical solutions:
A multiband array antenna for compact conformation, comprises metallic reflection plate, and is arranged on working in compared with the low frequency radiation unit of low-frequency range and the high frequency radiation unit that works in higher frequency band on metallic reflection plate;
Described low frequency radiation unit comprises mutually orthogonal horizontal dipole and vertical dipole, and described horizontal dipole is connected with feeding network with vertical dipole, produces ± 45 degree polarization or vertical and horizontal polarization far-field radiation directional diagrams; A plurality of low frequency radiations unit is arranged along the first reference line, forms a row low frequency array; Wherein, the vertical dipole of described a plurality of low frequency radiations unit is all distributed on the first reference line;
Described high frequency radiation unit comprises two mutually orthogonal oscillators; Arrange along several reference lines respectively at the center of a plurality of high frequency radiations unit, forms ordered series of numbers HF array; Described several reference lines are all parallel to the first reference line, and do not overlap with the first reference line; Described high frequency radiation unit and the first reference line do not have overlapping.
Preferably, the orthographic projection on metallic reflection plate of described low frequency radiation unit and high frequency radiation unit does not overlap mutually.
Preferably, arrange along even number bar reference line respectively at the center of a plurality of high frequency radiations unit, forms even column HF array; Described even number bar reference line wherein half is positioned at a side of the first reference line, the opposite side that second half is positioned at the first reference line, the reference line that is positioned at the first reference line both sides is symmetrical about the first reference line.
Preferably, in each row HF array, the spacing of adjacent high frequency radiation unit has two kinds: the spacing of a plurality of high frequency radiations unit between adjacent two low frequency radiation unit equates, is the first spacing; The spacing of adjacent high frequency radiation unit that lays respectively at the horizontal dipole both sides of same low frequency radiation unit is the second spacing; Described the second spacing is more than or equal to the first spacing.
Preferably, in low frequency radiation unit, horizontal dipole comprises two radiation arms that are symmetrically distributed on same straight line and is connected in two match circuits between radiation arm; Vertical dipole also comprises two radiation arms that are symmetrically distributed on same straight line and is connected in two match circuits between radiation arm; Two radiation arms of horizontal dipole and two radiation arms of vertical dipole are orthogonal, and physically do not connect mutually; The mutually orthogonal placement of match circuit of horizontal dipole and vertical dipole, and vertical with metallic reflection plate; The radiation arm of horizontal dipole and vertical dipole is all parallel to metallic reflection plate.
Preferably, in same low frequency radiation unit, the radiation arm of horizontal dipole is identical apart from the height of metallic reflection plate with the radiation arm of vertical dipole, and the symmetrical centre of horizontal dipole and vertical dipole overlaps.
Preferably, the both sides of described low frequency radiation unit are also provided with two parasitic half-wave dipole unit, described two half-wave dipole unit and vertical dipole are arranged in parallel, and are arranged at respectively the both sides of horizontal dipole bearing of trend, by the coupling of the radiation arm with horizontal dipole, carry out feed.
Preferably, described low frequency radiation cell operation is in 698～960MHz band limits, and described high frequency radiation cell operation is in 1710～2690MHz band limits.
Preferably, in every row HF array, the high frequency radiation unit between adjacent two low frequency radiation unit has more than 2.
Preferably, row or multiple row HF array are subordinated to same radio frequency system; Or a plurality of high frequency radiations unit in a row HF array is subordinated to a plurality of separate radio frequency systems.
Preferably, described feeding network consists of one 180 degree blender; The first delivery outlet of described 180 degree blenders is connected with the horizontal dipole of low frequency radiation unit, and the second delivery outlet is connected with the vertical dipole of low frequency radiation unit.
Preferably, the bearing of trend of the bearing of trend of two of high frequency radiation unit oscillators and the horizontal dipole of low frequency radiation unit is 45 degree angles.
The multiband array antenna of a kind of compact conformation that the utility model provides, low frequency radiation unit and the mutually nested arrangement on metallic reflection plate of high frequency radiation unit, both do not overlap mutually in the orthographic projection on metallic reflection plate, have at utmost reduced the electrical Interference between low-and high-frequency signal; Its compact conformation and arrangement mode are flexible, can utilize a plurality of separate radio frequency systems and low frequency to realize the covering to a plurality of different frequency ranges, and then effectively realize on the whole the covering to 698-960MHz and 1710-2690MHz ultrabroad band, with all frequency ranges of the current mobile communications network of compatibility.
Adopt structure of the present utility model, can keep the radiation characteristic of multiband array antenna in ultra wide band range stable, and the 2G in compatible mobile communication, 3G and all standards of 4G LTE, not only can reduce base station number of antennas used, reduce cloth station cost, also can reduce operation maintenance expense.
Accompanying drawing explanation
Fig. 1 is a kind of broad-band antenna of the prior art unit.
The partial structurtes schematic diagram of a kind of 3 frequency range array antennas that Fig. 2 provides for the utility model embodiment mono-.
Fig. 3 is the structural representation of the feeding network in the utility model embodiment mono-.
The overall structure schematic diagram of a kind of 3 frequency range array antennas that Fig. 4 provides for the utility model embodiment mono-.
The overall structure schematic diagram of a kind of 5 frequency range array antennas that Fig. 5 provides for the utility model embodiment bis-.
The overall structure schematic diagram of 4 band antennas of a kind of TD of containing intelligent system that Fig. 6 provides for the utility model embodiment tri-.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment, the technical solution of the utility model is elaborated.
Embodiment mono-
As shown in Figures 2 to 4,3 frequency range array antennas of a kind of compact conformation that the utility model embodiment provides, comprise metallic reflection plate, and be arranged on working in compared with the low frequency radiation unit of low-frequency range 1 and the high frequency radiation unit 2 that works in higher frequency band on metallic reflection plate.Preferably, described low frequency radiation unit 1 works in 698～960MHz band limits, and described high frequency radiation unit 2 works in 1710～2690MHz band limits.
Described low frequency radiation unit 1 comprises mutually orthogonal horizontal dipole 101 and vertical dipole 102, and described horizontal dipole 101 is connected with feeding network with vertical dipole 102, produces ± 45 degree polarization or vertical and horizontal polarization far-field radiation directional diagrams.A plurality of low frequency radiations unit 1 is equidistantly arranged along the first reference line, forms a row low frequency array; Wherein, the vertical dipole 102 of described a plurality of low frequency radiations unit 1 is all distributed on the first reference line.It should be noted that, described horizontal dipole 101 and vertical dipole 102 are only the distinctiveness names of carrying out in conjunction with the present embodiment direction shown in the drawings, can not represent in actual three dimensions, and oscillator is level or vertical.
Described high frequency radiation unit 2 comprises two mutually orthogonal oscillators, and the bearing of trend of the bearing of trend of two oscillators of high frequency radiation unit 2 and the horizontal dipole 101 of low frequency radiation unit 1 is 45 degree angles; Arrange along the second reference line and the 3rd reference line respectively at the center of a plurality of high frequency radiations unit 2, forms two row HF arrays.Wherein, described the second reference line and the 3rd reference line are parallel to the first reference line, but three does not overlap mutually.In the utility model embodiment, described the second reference line and the 3rd reference line are symmetrical about the first reference line, and lay respectively at the first reference line both sides.All high frequency radiations unit 2 and the first reference line all do not have overlapping.
In each row HF array, the spacing of adjacent high frequency radiation unit 2 has two kinds: the spacing of a plurality of high frequency radiations unit 2 between adjacent two low frequency radiation unit 1 equates, is the first spacing d1; The spacing of adjacent high frequency radiation unit 2 that lays respectively at horizontal dipole 101 both sides of same low frequency radiation unit 1 is the second spacing d2.Described the second spacing d2 is slightly larger than the first spacing d1, and the distance between low frequency radiation unit 1 and high frequency radiation unit 2 is pulled open as far as possible.
Shown in Fig. 2, in the utility model embodiment, between every adjacent two low frequency radiation unit 1, be distributed with 6 high frequency radiation unit 2; Be in every row HF array, the high frequency radiation unit 2 between adjacent two low frequency radiation unit 1 has 3.Spacing between these 3 high frequency radiation unit 2 is the first spacing d1, and spacing between the high frequency radiation unit 2, two of 101 both sides of horizontal dipole of same low frequency radiation unit 1 is the second spacing d2.Pass between the space D of adjacent low frequency radiation unit 1 and the first spacing d1 and the second spacing d2 is: D=2*d1+d2.Under such layout, the orthographic projection on metallic reflection plate of low frequency radiation unit 1 and high frequency radiation unit 2 does not overlap mutually, and the maintenance of the distance between low frequency radiation unit 1 and high frequency radiation unit 2 is maximum, has effectively reduced electrical Interference between the two.
In low frequency radiation unit 1, horizontal dipole 101 comprises two radiation arms that are symmetrically distributed on same straight line and is connected in two match circuits between radiation arm; Vertical dipole 102 also comprises two radiation arms that are symmetrically distributed on same straight line and is connected in two match circuits between radiation arm.Two radiation arms of horizontal dipole 101 and two radiation arms of vertical dipole 102 are orthogonal, and physically do not connect mutually; The mutually orthogonal placement of match circuit of the match circuit of horizontal dipole 101 and vertical dipole 102, and vertical with metallic reflection plate respectively.The radiation arm of horizontal dipole 101 and vertical dipole 102 is all parallel to metallic reflection plate.
Because the radiation of low frequency radiation unit 1 is that radiation arm by mutual disjunct horizontal dipole 101 and vertical dipole 102 is synthesized in far field, therefore vertical dipole 102 can answer instructions for use to place flexibly.In the utility model embodiment, the radiation arm of horizontal dipole 101 is identical apart from the height of metallic reflection plate with the radiation arm of vertical dipole 102, and the symmetrical centre of horizontal dipole 101 and vertical dipole 102 overlaps, two radiation arm across of two of horizontal dipole 101 radiation arms and vertical dipole 102 are arranged.
Preferably, in the utility model embodiment, the length of described horizontal dipole 101 is greater than the half wavelength (180mm) that low frequency radiation unit 1 covers band limits centre frequency, and the length of vertical dipole 102 is slightly less than the half wavelength that low frequency radiation unit 1 covers band limits centre frequency.
As improvement, the both sides of described low frequency radiation unit 1 are also provided with two parasitic half-wave dipole unit 103, described two half-wave dipole unit 103 are arranged in parallel with vertical dipole 102, and be arranged at respectively the both sides of horizontal dipole 101 bearing of trends, feed is carried out in coupling by the radiation arm with horizontal dipole 101, to regulate the perpendicular polarization component of far-field radiation, and improve the wave beam degree of convergence.
Described feeding network can be outside also can be integrated in antenna inside, and in the utility model embodiment, described feeding network is integrated in antenna inside.Further, when adopting feeding network with blender to carry out feed, the vertical dipole 102 of low frequency radiation unit 1 and horizontal dipole 101 produce ± 45 degree polarization far-field radiation directional diagrams; When adopting the feeding network without blender to carry out feed, the vertical dipole 102 of low frequency radiation unit 1 and horizontal dipole 101 produce vertical and horizontal polarization far-field radiation directional diagram.As shown in Figure 3, be the structural representation of the feeding network that is connected with vertical dipole 102 with the horizontal dipole 101 of low frequency radiation unit 1 in the utility model embodiment.Described feeding network consists of one 180 degree blender; Described 180 degree blenders are two to enter two networks that go out, and are operated in 698～960MHz frequency range; Its input port has two, comprises homophase input port 202 and anti-phase input mouth 203; Same, delivery outlet has two, comprises the first delivery outlet 204 and the second delivery outlet 205.The first delivery outlet 204 is connected with horizontal dipole 101 by 50 ohm of cables, and the second delivery outlet 205 is connected with vertical dipole 102 by 50 ohm of cables.
In the utility model embodiment, each row HF array is subordinated to respectively an independently radio frequency system.As shown in Figure 4, the high frequency radiation unit 2 on the second reference line and the 3rd reference line is subordinated to respectively different radio frequency systems.In other words, in the utility model embodiment, there are two separate radio frequency systems, be respectively the part of two rectangle circle choosings in Fig. 4.Described two radio frequency systems can work in different frequency range, also can be operated in similar frequency bands, and jointly cover 1710～2690MHz frequency range, and meanwhile, the low frequency radiation unit 1 on the first reference line covers 698～960MHz frequency range; Therefore, in the utility model embodiment, accommodate 3 systems, formed 1 low frequency system and 23 frequency range array antennas that radio frequency system coexists.
Embodiment bis-
As shown in Figure 5, the utility model embodiment changes on the basis of embodiment mono-, and a kind of 5 frequency range array antennas are provided.Particularly, a plurality of high frequency radiations unit 2 in each the row HF array in the utility model embodiment is subordinated to respectively two separate radio frequency systems.In other words, in the utility model embodiment, there are altogether four separate radio frequency systems, the part that is respectively four rectangle circle choosings in Fig. 5, adds another one low frequency system, has formed 1 low frequency system and 45 frequency range array antennas that radio frequency system coexists.
Other features in the utility model embodiment are identical with embodiment mono-, therefore do not repeat them here.
Embodiment tri-
As shown in Figure 6, the utility model embodiment provides a kind of 4 band antennas of the TD of containing intelligent system.Wherein, 4 row HF arrays of figure center choosing, for being operated in 1880～2690MHz frequency range, cover the TD intelligent system of TD-SCDMA and TD-LTE standard working frequency range, and 4 row HF arrays are subordinated to same radio frequency system jointly.The two row HF arrays that are positioned at TD intelligent system both sides are subordinated to respectively two independently radio frequency systems, are operated in 1710-2690MHz frequency range; And a row low frequency array in whole array antenna center is subordinated to the low frequency system that is operated in 698-960MHz frequency range.
Other features in the utility model embodiment are identical with embodiment mono-, therefore do not repeat them here.
It is pointed out that, in above three embodiment that provide, the high frequency radiation unit in each system and the number of low frequency radiation unit are technical solutions of the utility model a kind of concrete selections in actual applications.According to Practical Project demand, increase or reduce the number of high frequency radiation unit and low frequency radiation unit, still can realize described 3 frequency ranges, 4 frequency ranges or 5 band antenna arrays.Simultaneously, in above three embodiment, by reducing or increase wherein the quantity of row or multiple row HF array medium-high frequency system, and then two-band, 3 frequency ranges, 4 frequency ranges, 5 frequency ranges or other multiband array antennas of realizing other array formats be all fairly simple and easy thing, the occasion of its application is expanded in those skilled in the art's structural flexibility according to the utility model of having the ability.
It is emphasized that; in above three embodiment; in every row HF array; the quantity of the high frequency radiation unit between adjacent two low frequency radiation unit is preferably 3; the high frequency radiation unit of other quantity, such as 2 or 4 the high frequency radiation unit of 5 and even greater number even, can realize and cover different High-frequency and low-frequency frequency ranges; owing to not departing from design of the present utility model, also within the utility model protection range.
It is emphasized that especially in above three embodiment, in every row HF array, the high frequency radiation number of unit between adjacent two low frequency radiation unit is fixed, and low frequency radiation unit is equidistantly to arrange.Yet in practical engineering application, each low frequency radiation unit can be also that unequal-interval is arranged, in this case, the number of the high frequency radiation unit between adjacent two low frequency radiation unit is unfixed.Such as; between first pair of adjacent low frequency radiation unit, there are 2 high frequency radiation unit; between second pair of adjacent low frequency radiation unit, there are 3 high frequency radiation unit; the spacing of this low frequency radiation unit changes staggered situation; also can realize the optimization of low-and high-frequency coverage; owing to not departing from design of the present utility model, also within protection range of the present utility model.
The above embodiment has only expressed several execution mode of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection range of the present utility model.Therefore, the protection range of the utility model patent should be as the criterion with claims.
Claims (12)
1. a multiband array antenna for compact conformation, is characterized in that, comprises metallic reflection plate, and is arranged on working in compared with the low frequency radiation unit of low-frequency range and the high frequency radiation unit that works in higher frequency band on metallic reflection plate;
Described low frequency radiation unit comprises mutually orthogonal horizontal dipole and vertical dipole, and described horizontal dipole is connected with feeding network with vertical dipole, produces ± 45 degree polarization or vertical and horizontal polarization far-field radiation directional diagrams; A plurality of low frequency radiations unit is arranged along the first reference line, forms a row low frequency array; Wherein, the vertical dipole of described a plurality of low frequency radiations unit is all distributed on the first reference line;
Described high frequency radiation unit comprises two mutually orthogonal oscillators; Arrange along several reference lines respectively at the center of a plurality of high frequency radiations unit, forms ordered series of numbers HF array; Described several reference lines are all parallel to the first reference line, and do not overlap with the first reference line; Described high frequency radiation unit and the first reference line do not have overlapping.
2. the multiband array antenna of compact conformation according to claim 1, is characterized in that, the orthographic projection on metallic reflection plate of described low frequency radiation unit and high frequency radiation unit does not overlap mutually.
3. the multiband array antenna of compact conformation according to claim 1, is characterized in that, arrange along even number bar reference line respectively at the center of a plurality of high frequency radiations unit, forms even column HF array; Described even number bar reference line wherein half is positioned at a side of the first reference line, the opposite side that second half is positioned at the first reference line, the reference line that is positioned at the first reference line both sides is symmetrical about the first reference line.
4. the multiband array antenna of compact conformation according to claim 1, it is characterized in that, in each row HF array, the spacing of adjacent high frequency radiation unit has two kinds: the spacing of a plurality of high frequency radiations unit between adjacent two low frequency radiation unit equates, is the first spacing; The spacing of adjacent high frequency radiation unit that lays respectively at the horizontal dipole both sides of same low frequency radiation unit is the second spacing; Described the second spacing is more than or equal to the first spacing.
5. the multiband array antenna of compact conformation according to claim 1, is characterized in that, in low frequency radiation unit, horizontal dipole comprises two radiation arms that are symmetrically distributed on same straight line and is connected in two match circuits between radiation arm; Vertical dipole also comprises two radiation arms that are symmetrically distributed on same straight line and is connected in two match circuits between radiation arm; Two radiation arms of horizontal dipole and two radiation arms of vertical dipole are orthogonal, and physically do not connect mutually; The mutually orthogonal placement of match circuit of horizontal dipole and vertical dipole, and vertical with metallic reflection plate; The radiation arm of horizontal dipole and vertical dipole is all parallel to metallic reflection plate.
6. the multiband array antenna of compact conformation according to claim 5, it is characterized in that, in same low frequency radiation unit, the radiation arm of horizontal dipole is identical apart from the height of metallic reflection plate with the radiation arm of vertical dipole, and the symmetrical centre of horizontal dipole and vertical dipole overlaps.
7. the multiband array antenna of compact conformation according to claim 5, it is characterized in that, the both sides of described low frequency radiation unit are also provided with two parasitic half-wave dipole unit, described two half-wave dipole unit and vertical dipole are arranged in parallel, and be arranged at respectively the both sides of horizontal dipole bearing of trend, by the coupling of the radiation arm with horizontal dipole, carry out feed.
8. the multiband array antenna of compact conformation according to claim 1, is characterized in that, described low frequency radiation cell operation is in 698～960MHz band limits, and described high frequency radiation cell operation is in 1710～2690MHz band limits.
9. the multiband array antenna of compact conformation according to claim 1, is characterized in that, in every row HF array, the high frequency radiation unit between adjacent two low frequency radiation unit has more than 2.
10. the multiband array antenna of compact conformation according to claim 1, is characterized in that, row or multiple row HF array are subordinated to same radio frequency system; Or a plurality of high frequency radiations unit in a row HF array is subordinated to a plurality of separate radio frequency systems.
The multiband array antenna of 11. compact conformations according to claim 1, is characterized in that, described feeding network consists of one 180 degree blender; The first delivery outlet of described 180 degree blenders is connected with the horizontal dipole of low frequency radiation unit, and the second delivery outlet is connected with the vertical dipole of low frequency radiation unit.
The multiband array antenna of 12. compact conformations according to claim 1, is characterized in that, the bearing of trend of the bearing of trend of two oscillators of high frequency radiation unit and the horizontal dipole of low frequency radiation unit is 45 degree angles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201320664222.4U CN203521635U (en) | 2013-10-25 | 2013-10-25 | Multi-frequency-band array antenna with compact structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320664222.4U CN203521635U (en) | 2013-10-25 | 2013-10-25 | Multi-frequency-band array antenna with compact structure |
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| CN203521635U true CN203521635U (en) | 2014-04-02 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103560338A (en) * | 2013-10-25 | 2014-02-05 | 广东博纬通信科技有限公司 | Multi-band array antenna compact in structure |
| CN107508048A (en) * | 2017-07-10 | 2017-12-22 | 佛山市波谱达通信科技有限公司 | A kind of directional antenna arrangement |
| CN112164864A (en) * | 2020-08-21 | 2021-01-01 | 西安朗普达通信科技有限公司 | Base station antenna nested array structure for raising high-frequency oscillator |
-
2013
- 2013-10-25 CN CN201320664222.4U patent/CN203521635U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103560338A (en) * | 2013-10-25 | 2014-02-05 | 广东博纬通信科技有限公司 | Multi-band array antenna compact in structure |
| CN103560338B (en) * | 2013-10-25 | 2016-06-01 | 广东博纬通信科技有限公司 | The multi-band array antenna of a kind of compact construction |
| CN107508048A (en) * | 2017-07-10 | 2017-12-22 | 佛山市波谱达通信科技有限公司 | A kind of directional antenna arrangement |
| CN112164864A (en) * | 2020-08-21 | 2021-01-01 | 西安朗普达通信科技有限公司 | Base station antenna nested array structure for raising high-frequency oscillator |
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Granted publication date: 20140402 Termination date: 20201025 |