CN103943970A - Dual-polarization broadband array antenna - Google Patents
Dual-polarization broadband array antenna Download PDFInfo
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- CN103943970A CN103943970A CN201410160773.6A CN201410160773A CN103943970A CN 103943970 A CN103943970 A CN 103943970A CN 201410160773 A CN201410160773 A CN 201410160773A CN 103943970 A CN103943970 A CN 103943970A
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- reflecting plate
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Abstract
The invention provides a dual-polarization broadband array antenna which comprises a baffle board, radiating elements, isolating devices, metal parasitic pieces and supporting parts. A plurality of radiating elements are arranged in the middle of the baffle board, and are arranged in the extending direction of the baffle board, the metal parasitic pieces are oppositely arranged on the edges of the two sides of the baffle board in a suspension mode through the supporting pieces, and are correspondingly arranged on two sides of the radiating elements, and isolating devices are arranged between the radiating elements. The size of the antenna is reduced by more than 10 percent compared with the area of existing other antennas of the same type, the cross polarization ratio of the antenna is improved, the antenna is simple in structure, easy to manufacture and suitable for batch production, the dual-polarization broadband array antenna has the advantages of being excellent in radiation characteristic and wide in frequency band, and the optimal antenna electrical performance can be achieved.
Description
Technical field
The present invention relates to communication field, be specifically related to a kind of dual polarization wideband array antenna.
Background technology
Along with the fast development of mobile communication, the working frequency range of various standards is also in continuous expansion, and the operating frequency of the smart antenna in TD-SCDMA network is 1880-1920MHz, 2010-2025MHz, 2300-2400MHz; The communication frequency of DCS is 1710-1880MHz; The communication frequency of PCS is 1850-1990MHz; The communication frequency of UMTS is 1920-2170MHz; WiMax(Worldwide Interoperability for Microwave Access, i.e. worldwide interoperability for microwave access) part communications band be 2300-2690MHz.Therefore, now propose to take into account above-mentioned standard, working frequency range is the market demand of the broad-band antenna of 1710-2690MHz, the relative band width of 1710-2690MHz reaches 44.5%, existing dual-polarized antenna vibrator is generally all difficult to meet, and the bandwidth of the antenna array of composition is also restricted thus.
Application number is that 200910130124.0 Chinese invention patent application discloses a kind of antenna for base station and reflecting plate thereof, it is by adding vertical side plate with control antenna directional diagram in the both sides of reflecting plate, but this structure has increased the side height of antenna, and then increase the volume of antenna.Application number is that 201220339177.0 Chinese utility model patent discloses a kind of antenna for base station reflecting plate, and it is by adding hook-type side plate with control antenna directional diagram in the both sides of reflecting plate, but this structure has increased the floor space of antenna.
Summary of the invention
The object of the invention is to, for the deficiencies in the prior art, provide a kind of dual polarization wideband array antenna, and there is the good and bandwidth of radiation characteristic, can realize the optimization of antenna electrical performance.
For achieving the above object, the present invention is by the following technical solutions:
A kind of dual polarization wideband array antenna, comprises reflecting plate, radiating element, spacer assembly, metal parasitic patch and strutting piece, and multiple assembly of radiating elements are at the middle part of reflecting plate, and arranges along reflecting plate bearing of trend; Metal parasitic patch is by the unsettled reflecting plate both sides of the edge that are relatively arranged on of strutting piece, and the corresponding both sides that are arranged at radiating element; Between radiating element, be equipped with spacer assembly.
Further, described spacer assembly comprises the structure member being arranged on reflecting plate and is arranged at the isolated part on structure member.
Further, described metal parasitic patch is tabular of tabular of rectangle or polygon, and metal parasitic patch be arranged in parallel with respect to reflecting plate or is obliquely installed.
Further, described metal parasitic patch along the length on reflecting plate bearing of trend between 0.15 wavelength to 0.5 wavelength of antenna work centre frequency.
Further, described strutting piece is plastic supporting pieces.
Further, described radiating element is die cast metal radiating element or pcb board dipole radiation unit.
Further, also comprise radome, described radome covers at reflecting plate top, in radiating element, metal parasitic patch and strutting piece are enclosed in.
Further, multiple radiating elements are arranged in multiple row radiation cell array at a reflecting plate middle part along reflecting plate bearing of trend, described multiple row radiation cell array be arranged in parallel, and the spacing between two row radiation cell arrays is between 0.5 wavelength to 1.15 wavelength of antenna work centre frequency.
Further, multiple radiating elements are arranged in multiple row radiation cell array at polylith reflecting plate middle part along reflecting plate bearing of trend, the middle part of every reflecting plate is only arranged with a row radiation cell array, described multiple row radiation cell array be arranged in parallel, spacing between two row radiation cell arrays, between 0.5 wavelength to 1.15 wavelength of antenna work centre frequency, realizes multiport broad-band antenna
A kind of dual polarization wideband array antenna provided by the invention, equipment volume is less more than 10% than existing other similar antenna areas; It is simple in structure, easy to manufacture, is applicable to batch production; Optimize antenna area and volume simultaneously, ensure that antenna has advantages of that the wave beam degree of convergence is high, radiance is good and bandwidth simultaneously, improve antenna cross-polarization ratio, realize the optimization of antenna electrical performance.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of the present invention one;
Fig. 2 is the structural representation of the embodiment of the present invention two;
Fig. 3 is the structural representation of the embodiment of the present invention three;
Fig. 4 is the structural representation of the embodiment of the present invention four;
Fig. 5 is the structural representation of the embodiment of the present invention five;
Fig. 6 is directional diagram and the gain schematic diagram of the invention process one;
Fig. 7 is directional diagram and the gain schematic diagram that does not possess the aerial array of spacer assembly in prior art;
Fig. 8 is the echo test figure of the embodiment of the present invention one;
Fig. 9 is the isolation test figure of the embodiment of the present invention one.
Description of reference numerals:
1, reflecting plate 2, strutting piece
3, metal parasitic patch 4, radiating element
5, isolated part 6, structure member
Embodiment
Below in conjunction with accompanying drawing and specific embodiment, technical scheme of the present invention is elaborated.
Embodiment mono-
Refer to Fig. 1, a kind of dual polarization wideband array antenna that the embodiment of the present invention one provides, comprise reflecting plate 1, radiating element 4, spacer assembly, metal parasitic patch 3 and strutting piece 2, multiple radiating elements 4 are arranged on the middle part of reflecting plate 1, and arrange along reflecting plate 1 bearing of trend; Metal parasitic patch 3 is by unsettled reflecting plate 1 both sides of the edge that are relatively arranged on of strutting piece 2, and the corresponding both sides that are arranged at radiating element 4; Between radiating element 4, be equipped with spacer assembly.
Concrete, described spacer assembly comprises the structure member 6 being arranged on reflecting plate 1 and is arranged at the isolated part 5 on structure member 6.
Concrete, in the present embodiment, described radiating element 4 is pcb board dipole radiation unit 4, comprises interconnective radiating principal and balanced feeding device.Described radiating principal comprises four radiation arms, and four radiation arm orthogonal thereto distributions between two, to form two pairs of orthogonal symmetrical radiation combinations, are provided with engraved structure on each radiation arm.Balanced feeding device is fixedly mounted on described metallic reflection plate 1, and described four radiation arms are around being arranged at described balanced feeding device upper end.
Described balanced feeding device is coaxial configuration, comprises peripheral conductors and inner conductor.Peripheral conductors is arranged on described metallic reflection plate 1, comprises four parts, and each part is respectively used to support and be electrically connected a radiation arm in described radiating element 4; Each part of peripheral conductors is parallel and have certain interval to be separated by each other.Described inner conductor is hollow column structure, is arranged at four centers that part surrounds of peripheral conductors.
Described radiating element 4 also comprises metal feed tab, is arranged at the inside of balanced feeding device.One end of metal feed tab is through described metallic reflection plate 1 being connected with the bottom cable of described metallic reflection plate 1, and the other end of described metal feed tab is connected with radiating element 4, for by electromagnetic coupled to radiating principal feed.
In the present embodiment, reflecting plate 1 is provided with multiple radiating elements 4, and the direction of extending along reflecting plate 1 is arranged in radiating element 4 arrays.Be relatively set with two each and every one metal parasitic patch 3 in the both sides of each radiating element 4.As preferably, in the present embodiment, described metal parasitic patch 3 is tabular of rectangle, and metal parasitic patch 3 is with respect to the outward-dipping setting of reflecting plate 1, its along the length on reflecting plate 1 bearing of trend between 0.15 wavelength to 0.5 wavelength of antenna work centre frequency.The described strutting piece 2 being supported under metal parasitic patch 3 is plastic supporting pieces 2, separate between multiple metal parasitic patch 3, is not electrically connected.
Be arranged at the metal parasitic patch 3 of reflecting plate 1 both sides of the edge, for improving the radiance of equipment, ensure that broadband realizes good radiation, impedance operator.The dual polarization wide frequency antenna array with metal parasitic patch 3 not only has desirable radiation scope, has more standby outstanding antijamming capability, makes the performance of equipment very superior.Meanwhile, bimetallic parasitic patch 3 is simple in structure, easy to manufacture, low production cost.It should be noted that, the shape of metal parasitic patch 3 with angle is set, should design according to the concrete condition such as operational environment, device characteristics.In the present embodiment, described metal parasitic patch 3 is tabular of polygon, and its middle part has a protuberance, and it is T-shaped that metal parasitic patch 3 is totally.
The spacer assembly that the present invention increases between radiating element 4, has that improvement equipment is electric, the effect of radiation characteristic, and the radiance of equipment is significantly improved, and antenna pattern obviously improves.
As improvement, the dual polarization wideband array antenna that the present embodiment provides also comprises a radome (not shown), and described radome covers at reflecting plate 1 top, in radiating element 4, metal parasitic patch 3 and strutting piece 2 are enclosed in.Radome has the effect of protection internal radiation unit 4 and metal parasitic patch 3, and being conducive to provides stable operational environment for radiating element 4 and metal parasitic patch 3, further improves the performance of equipment.
Described reflecting plate 1 is a bending plate body, and the both sides downward bending of reflecting plate 1 for reinforcing described metallic reflection plate 1, and is convenient to be connected with radome.
Refer to Fig. 6 to Fig. 7, by analyzing and draw in figure, a kind of dual polarization wideband array antenna provided by the invention, its spacer assembly has played the very big cross polarization specific characteristic of having optimized, and bandwidth and radiance are good, have played in addition the effect that improves isolation.
Refer to Fig. 8 to Fig. 9, as can be seen from Figure, it is high that a kind of dual polarization wideband array antenna provided by the invention has the wave beam degree of convergence, and the advantage of the good and bandwidth of radiance, is far superior to prior art.The present invention has the impedance bandwidth that exceedes 45%, and intermodulation, isolation electric property are superior, and it is little to have overall dimension, the advantage that cost is low.
Embodiment bis-
Refer to Fig. 2, a kind of dual polarization wideband array antenna providing for the embodiment of the present invention two.Compared with embodiment mono-, its difference is only the shape of metal parasitic patch 3.In the present embodiment, described metal parasitic patch 3 is tabular of rectangle.Metal parasitic patch 3 be arranged in parallel with respect to reflecting plate 1.The miscellaneous part of the present embodiment and the annexation all part corresponding with embodiment mono-are identical, and particular content refers to the associated description of embodiment mono-, does not repeat them here.
Embodiment tri-
Refer to Fig. 3, a kind of dual polarization wideband array antenna providing for the embodiment of the present invention three.Compared with embodiment mono-, its difference is only the arrangement mode of radiating element 4 and the shape of metal parasitic patch 3 and angle is set.As preferably, in the present embodiment, multiple radiating elements 4 are arranged in multiple row radiating element 4 arrays at reflecting plate 1 middle part along reflecting plate 1 bearing of trend, described multiple row radiating element 4 arrays be arranged in parallel, and the spacing between two row radiating element 4 arrays is between 0.5 wavelength to 1.15 wavelength of antenna work centre frequency.Be arranged in radiating element 4 collaborative works of multiple row, form four port dual polarization wideband array antennas.Metal parasitic patch 3 is tabular of rectangle, and metal parasitic patch 3 is obliquely installed with respect to reflecting plate.
The miscellaneous part of the present embodiment and the annexation all part corresponding with embodiment mono-are identical, and particular content refers to the associated description of embodiment mono-, does not repeat them here.
Embodiment tetra-
Refer to Fig. 4, a kind of dual polarization wideband array antenna providing for the embodiment of the present invention four.Compared with embodiment mono-, its difference is only that radiating element in the present embodiment 4 is for die cast metal radiating element 4, and the shape of metal parasitic patch 3 and angle is set.Metal parasitic patch 3 is tabular of rectangle, and metal parasitic patch 3 is obliquely installed with respect to reflecting plate.
It should be noted that, die cast metal radiating element 4 and the device characteristics that pcb board dipole radiation unit 4 possesses separately, specifically should be designed and be selected according to the technical parameter such as operational environment, performance requirement of equipment self.
The miscellaneous part of the present embodiment and the annexation all part corresponding with embodiment mono-are identical, and particular content refers to the associated description of embodiment mono-, does not repeat them here.
Embodiment five
Refer to Fig. 5, a kind of dual polarization wideband array antenna providing for the embodiment of the present invention five.Compared with embodiment mono-, its difference is only the arrangement mode of radiating element 4.In the present embodiment, multiple radiating elements 4 are arranged in multiple row radiating element 4 arrays at polylith reflecting plate 1 middle part along reflecting plate 1 bearing of trend, the middle part of every reflecting plate 1 is only arranged with row radiating element 4 arrays, described multiple row radiating element 4 arrays be arranged in parallel, spacing between two row radiating element 4 arrays, between 0.5 wavelength to 1.15 wavelength of antenna work centre frequency, realizes multiport broad-band antenna.The present embodiment is multiport dual polarization wideband array antenna.
The miscellaneous part of the present embodiment and the annexation all part corresponding with embodiment mono-are identical, and particular content refers to the associated description of embodiment mono-, does not repeat them here.
A kind of dual polarization wideband array antenna provided by the invention, has the performance being equal to conventional antenna for base station, as beamwidth convergence is good, cross polarization than good, front and back than good etc.; Effectively reduce antenna side height simultaneously, reduced equipment volume.Equipment volume of the present invention is less more than 10% than existing other same category of device volumes; Between radiating element 4, there is spacer assembly, there is superior electric, radiation characteristic, further improve the radiance of equipment; Be arranged at the metal parasitic patch 3 of reflecting plate 1 both sides of the edge, improved the radiance of equipment, ensure that broadband realizes good radiation, impedance operator.The present invention is simple in structure, easy to manufacture, is applicable to batch production; And there is the wave beam degree of convergence, and there is radiance characteristic good and bandwidth, can realize the optimization of antenna electrical performance.
The above embodiment has only expressed several execution mode of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.
Claims (9)
1. a dual polarization wide frequency antenna, is characterized in that: comprise reflecting plate, radiating element, spacer assembly, metal parasitic patch and strutting piece, multiple assembly of radiating elements are at the middle part of reflecting plate, and arrange along reflecting plate bearing of trend; Metal parasitic patch is by the unsettled reflecting plate both sides of the edge that are relatively arranged on of strutting piece, and the corresponding both sides that are arranged at radiating element; Between radiating element, be equipped with spacer assembly.
2. dual polarization wide frequency antenna according to claim 1, is characterized in that: described spacer assembly comprises the structure member being arranged on reflecting plate and is arranged at the isolated part on structure member.
3. dual polarization wide frequency antenna according to claim 1, is characterized in that: described metal parasitic patch is tabular of tabular of rectangle or polygon, and metal parasitic patch be arranged in parallel with respect to reflecting plate or is obliquely installed.
4. dual polarization wide frequency antenna according to claim 3, is characterized in that: described metal parasitic patch along the length on reflecting plate bearing of trend between 0.15 wavelength to 0.5 wavelength of antenna work centre frequency.
5. dual polarization wide frequency antenna according to claim 1, is characterized in that: described strutting piece is plastic supporting pieces.
6. dual polarization wide frequency antenna according to claim 1, is characterized in that: described radiating element is die cast metal radiating element or pcb board dipole radiation unit.
7. dual polarization wide frequency antenna according to claim 1, is characterized in that: also comprise radome, described radome covers at reflecting plate top, in radiating element, metal parasitic patch and strutting piece are enclosed in.
8. dual polarization wide frequency antenna according to claim 1, it is characterized in that: multiple radiating elements are arranged in multiple row radiation cell array at a reflecting plate middle part along reflecting plate bearing of trend, described multiple row radiation cell array be arranged in parallel, and the spacing between two row radiation cell arrays is between 0.5 wavelength to 1.15 wavelength of antenna work centre frequency.
9. dual polarization wide frequency antenna according to claim 1, it is characterized in that: multiple radiating elements are arranged in multiple row radiation cell array at polylith reflecting plate middle part along reflecting plate bearing of trend, the middle part of every reflecting plate is only arranged with a row radiation cell array, described multiple row radiation cell array be arranged in parallel, spacing between two row radiation cell arrays, between 0.5 wavelength to 1.15 wavelength of antenna work centre frequency, realizes multiport broad-band antenna.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410160773.6A CN103943970A (en) | 2014-04-21 | 2014-04-21 | Dual-polarization broadband array antenna |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410160773.6A CN103943970A (en) | 2014-04-21 | 2014-04-21 | Dual-polarization broadband array antenna |
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| CN103943970A true CN103943970A (en) | 2014-07-23 |
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| CN201410160773.6A Pending CN103943970A (en) | 2014-04-21 | 2014-04-21 | Dual-polarization broadband array antenna |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105140629A (en) * | 2015-09-21 | 2015-12-09 | 江苏亨鑫无线技术有限公司 | Dual-band antenna array structure |
| CN105261829A (en) * | 2015-11-09 | 2016-01-20 | 中天宽带技术有限公司 | High front-to-back ratio dual polarization base station antenna |
| CN106025517A (en) * | 2016-06-23 | 2016-10-12 | 江苏华灿电讯股份有限公司 | High-gain and high-wave velocity dual-polarized antenna |
| CN106486770A (en) * | 2015-09-01 | 2017-03-08 | 安弗施无线射频***（上海）有限公司 | A kind of multifrequency wideband high frequency antenna device |
| CN106654537A (en) * | 2017-01-10 | 2017-05-10 | 江苏省东方世纪网络信息有限公司 | Antenna |
| KR101831432B1 (en) * | 2016-09-20 | 2018-02-22 | (주)에이티앤에스 | Base-station Antenna |
| CN107768827A (en) * | 2017-09-19 | 2018-03-06 | 广东博纬通信科技有限公司 | A kind of narrow section ultra-wideband multichannel array antenna |
| CN107799896A (en) * | 2017-11-24 | 2018-03-13 | 广东博纬通信科技有限公司 | A kind of TD LTE smart antennas for applying to frequency range near 3500MHz |
| CN109786964A (en) * | 2014-11-18 | 2019-05-21 | 康普技术有限责任公司 | The low-band element of masking for multiband radiating curtain |
| CN110034377A (en) * | 2018-01-12 | 2019-07-19 | 株式会社Kmw | Antenna assembly |
| CN110622356A (en) * | 2017-05-16 | 2019-12-27 | 华为技术有限公司 | Antenna |
| CN111129677A (en) * | 2018-10-31 | 2020-05-08 | 康普技术有限责任公司 | Isolator for antenna system and related antenna system |
| EP4040602A1 (en) * | 2021-02-08 | 2022-08-10 | Nokia Technologies Oy | An array of patch antennas |
| WO2024041075A1 (en) * | 2022-08-24 | 2024-02-29 | The Hong Kong University Of Science And Technology | Antenna structure |
| US12003038B2 (en) | 2021-02-08 | 2024-06-04 | Nokia Technologies Oy | Array of patch antennas |
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Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109786964A (en) * | 2014-11-18 | 2019-05-21 | 康普技术有限责任公司 | The low-band element of masking for multiband radiating curtain |
| US11870160B2 (en) | 2014-11-18 | 2024-01-09 | Commscope Technologies Llc | Cloaked low band elements for multiband radiating arrays |
| CN109786964B (en) * | 2014-11-18 | 2023-11-03 | 康普技术有限责任公司 | Masked low band element for multiband radiating arrays |
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| CN105261829B (en) * | 2015-11-09 | 2018-06-12 | 中天宽带技术有限公司 | It is a kind of high front and rear to compare Bipolarization antenna for base station |
| CN106025517A (en) * | 2016-06-23 | 2016-10-12 | 江苏华灿电讯股份有限公司 | High-gain and high-wave velocity dual-polarized antenna |
| KR101831432B1 (en) * | 2016-09-20 | 2018-02-22 | (주)에이티앤에스 | Base-station Antenna |
| CN106654537A (en) * | 2017-01-10 | 2017-05-10 | 江苏省东方世纪网络信息有限公司 | Antenna |
| CN110622356A (en) * | 2017-05-16 | 2019-12-27 | 华为技术有限公司 | Antenna |
| US11245199B2 (en) | 2017-05-16 | 2022-02-08 | Huawei Technologies Co., Ltd. | Antenna |
| US11764481B2 (en) | 2017-05-16 | 2023-09-19 | Huawei Technologies Co., Ltd. | Antenna |
| CN107768827A (en) * | 2017-09-19 | 2018-03-06 | 广东博纬通信科技有限公司 | A kind of narrow section ultra-wideband multichannel array antenna |
| CN107799896A (en) * | 2017-11-24 | 2018-03-13 | 广东博纬通信科技有限公司 | A kind of TD LTE smart antennas for applying to frequency range near 3500MHz |
| CN110034377A (en) * | 2018-01-12 | 2019-07-19 | 株式会社Kmw | Antenna assembly |
| CN111129677A (en) * | 2018-10-31 | 2020-05-08 | 康普技术有限责任公司 | Isolator for antenna system and related antenna system |
| EP4040602A1 (en) * | 2021-02-08 | 2022-08-10 | Nokia Technologies Oy | An array of patch antennas |
| US12003038B2 (en) | 2021-02-08 | 2024-06-04 | Nokia Technologies Oy | Array of patch antennas |
| WO2024041075A1 (en) * | 2022-08-24 | 2024-02-29 | The Hong Kong University Of Science And Technology | Antenna structure |
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Address after: 510700 Guangdong, Whampoa District, Zhongshan Road, East Road, the second floor of the second floor, No. 1 South Block Applicant after: Guangdong Bowei Communication Technology Co., Ltd. Address before: Four, building 1, South, 510700 Mao Mao Road, Zhongshan Road, Whampoa District, Guangdong, Guangzhou Applicant before: Guangdong Bowei Communication Technology Co., Ltd. |
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| COR | Change of bibliographic data | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140723 |