CN203760677U - Dual-polarized antenna array - Google Patents
Dual-polarized antenna array Download PDFInfo
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- CN203760677U CN203760677U CN201320733387.2U CN201320733387U CN203760677U CN 203760677 U CN203760677 U CN 203760677U CN 201320733387 U CN201320733387 U CN 201320733387U CN 203760677 U CN203760677 U CN 203760677U
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Abstract
The utility model discloses a dual-polarized antenna array. Two or four spurious radiation slots are disposed around each dual-polarized oscillator body on a reflecting plate, the front-to-rear ratio of an antenna array may be improved by 2dB to 6dB, and an isolation index is improved to some extent. In addition, by the use of isolation components, not only the convergence of an S parameter of a radiation unit and the impedance and isolation index of the antenna array are significantly improved, but also cross polarization ratio indicators of a horizontal plane of a directional diagram of the antenna array are substantially improved. The dual-polarized antenna array meets the demand for high performance in terms of wide frequency bands of current base station antennas, and has good application prospects in the field of communication.
Description
Technical field
The utility model relates to communication technical field, particularly relates to a kind of dual-polarized antenna array.
Background technology
Along with developing rapidly of mobile communication technology, the demand of the high radiance antenna for base station of wideband manifests gradually, wideband all has good impedance and isolation index in multiple mobile communication operating frequency ranges, high radiance has good radiation index, particularly horizontal plane radiation index, to realize good coverage effect.
The performance of antenna for base station depends primarily on the performance of unit in aerial array.Present stage is mainly to improve standing-wave ratio and isolation index by the form of optimal design radiating doublet itself and size, but the degree that this mode is improved is limited, is difficult to meet the application scenario of broadband multi-modulation scheme.Cross polarization ratio and front and back are than being two indexs important in horizontal plane radiation characteristic, for ultra-wideband antenna, high band cross polarization ratio and low-frequency range front and back are than two key factors that are restriction horizontal plane radiance, present stage is mainly that size and the simple sectional dimension that changes reflecting plate by optimizing radiating doublet itself improved These parameters, but because improvement degree is limited, thereby easily causing low-frequency range to get over district disturbs and high band diversity reception deleterious, in addition, high band cross polarization is than index variation when as a rule having a down dip, so also just dwindle the tilt angled down scope of antenna, thereby limit the use occasion of antenna for base station.
Utility model content
Based on above-mentioned situation, the utility model proposes a kind of dual-polarized antenna array, to optimize impedance and the isolation index of antenna.
A kind of dual-polarized antenna array, comprises at least one dual polarization vibrator main body, at least two barrier assemblies, and a reflecting plate;
Described dual polarization vibrator main body is installed on described reflecting plate successively, form an array, the two ends of array, and between adjacent two described dual polarization vibrator main bodys, a described barrier assembly is installed respectively, described reflecting plate arranges two or four rectangular channel near of each described dual polarization vibrator main body position, and each rectangular channel becomes a parasitic radiation gap.
The utility model dual-polarized antenna array each dual polarization vibrator body peripheral edge on reflecting plate arranges 2 or 4 parasitic radiation gaps, the front and back ratio of aerial array can be improved to 2dB～6dB, and improve to a certain extent isolation index.In addition, the use of barrier assembly has not only obviously improved the convergence of radiating element S parameter, impedance and the isolation index of aerial array are improved, and improvement by a relatively large margin the cross polarization of antenna array pattern horizontal plane compare index, meet the demand of current antenna for base station aspect money frequency range high-performance, had a good application prospect in the communications field.
Brief description of the drawings
Fig. 1 is the perspective view of radiating element in the utility model dual-polarized antenna array;
Fig. 2 is the perspective view of the utility model dual-polarized antenna array the first embodiment;
Fig. 3 is the perspective view of the utility model dual-polarized antenna array the second embodiment;
Fig. 4 is the perspective view of the utility model dual-polarized antenna array the 3rd embodiment;
Fig. 5 is the perspective view of the utility model dual-polarized antenna array the 4th embodiment;
Fig. 6 is the perspective view of the utility model dual-polarized antenna array the 5th embodiment;
Fig. 7 is the end view of radiating element in the utility model dual-polarized antenna array.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is described in further detail.Should be appreciated that embodiment described herein, only in order to explain the utility model, does not limit protection range of the present utility model.
Dual-polarized antenna array of the present utility model is the dual-polarized antenna array of the high radiance of a kind of wideband, and it comprises at least one dual polarization vibrator main body, at least two barrier assemblies, and a reflecting plate.
Described dual polarization vibrator main body is installed on described reflecting plate successively, form an array, the two ends of array, and between adjacent two described dual polarization vibrator main bodys, a described barrier assembly is installed respectively, described reflecting plate arranges two or four rectangular channel near of each described dual polarization vibrator main body position, and each rectangular channel becomes a parasitic radiation gap.
As shown in Figure 1, a dual polarization vibrator main body 5, and the parasitic radiation gap 4 of periphery and a radiating element of isolation group (barrier assemblies of 1,2,3 compositions) part formation, radiating element lateral cross section is as shown in Figure 7.
Dual polarization vibrator main body can mark the form shown in 5 in Fig. 1, also can mark the form shown in 7 in Fig. 6, or the equivalent symmetrical oscillator form of other type, be made by the technique such as panel beating or die casting, oscillator main body is positioned at the transverse center position of reflecting plate 6, highly be approximately 1/4 central task wavelength, carry out transmitting and receiving of electromagnetic signal as main radiant section.The central task wavelength that described central task wavelength is this dual-polarized antenna array.
The rectangular channel of parasitic radiation gap for opening on reflecting plate, as marked the form as shown in the of 4 in Fig. 1, gap length is 0.2～0.5 central task wavelength, width is 0.01～0.04 central task wavelength.
In first embodiment of this dual-polarized antenna array, as shown in Figure 1, 2, each radiating element comprises two parasitic radiation gaps, longitudinally be symmetrically distributed in the both sides of dual polarization vibrator main body 5, the vertical centre distance of each gap and dual polarization vibrator main body 5 is 0.1～0.3 central task wavelength.By optimizing size and the particular location in parasitic radiation gap, the front and back ratio of whole radiating element can be improved to 2dB～6dB, and improve to a certain extent the isolation index of radiating element.Described is longitudinally the direction along the length place of reflecting plate, the direction of arranging along radiating element in other words, and the direction below occurring is all as benchmark.
In second embodiment of this dual-polarized antenna array, parasitic radiation gap also can lateral symmetry be distributed in the both sides of dual polarization vibrator main body, and specific implementation form is for as marked in Fig. 3 as shown in the of 8, and its size is consistent with embodiment mono-with particular location.
In the 3rd embodiment of this dual-polarized antenna array, each radiating element also can comprise 4 parasitic radiation gaps, every a pair of vertical and horizontal are respectively symmetrically distributed in the both sides of dual polarization vibrator main body, specific implementation form is as marked in Fig. 4 as shown in the of 9, and its size is consistent with embodiment mono-with particular location.
In the 4th embodiment of this dual-polarized antenna array, each radiating element also can comprise 4 parasitic radiation gaps, every a pair of both sides that are symmetrically distributed in respectively dual polarization vibrator main body in+45 ° and-45 ° of directions, specific implementation form is as marked in Fig. 5 as shown in the of 10, and its size is consistent with embodiment mono-with particular location.
Dual-polarized antenna array shown in Fig. 6, all different from other several embodiment of dual polarization vibrator main body wherein, can be used as the 5th embodiment.
Two barrier assemblies are symmetrically distributed in the both sides of dual polarization vibrator main body, and preferably, the vertical centre distance between each barrier assembly and oscillator main body is 0.35～0.45 central task wavelength, specifically as shown in Figure 1.In aerial array, the vertical centre distance between each barrier assembly and adjacent vibration generators main body is 1/2 of adjacent vibration generators main body spacing, as shown in Figure 2.
As a preferred embodiment, as shown in Figure 7, each barrier assembly is made up of the sheet metal (being preferably aluminium flake) of " several " font bending, two plastics double-screw bolts 2 and four plastic screws 3 lateral cross section of barrier assembly; Wherein aluminium flake comprises an epimere 1, two tilting sections 12 and two hypomeres 13, wherein the length of epimere 1 is 0.1～0.25 central task wavelength, width is 3mm～10mm, parallel being placed on reflecting plate, with the vertical centre distance of reflecting plate be 0.25～0.5 central task wavelength.Included angle A between tilting section 12 and epimere 1 is that between 10 °～50 °, width is identical with epimere 1.The length of hypomere 13 and width range are 5mm～15mm, and it closely links together by plastic screw 3 and plastics double-screw bolt 2.Whole aluminium flake is formed by panel beating, and thickness range is 1～3mm.Plastics double-screw bolt 2 altitude ranges are 10mm～30mm, and the distance between two plastics double-screw bolts is 0.45～0.7 central task wavelength.Between plastics double-screw bolt and expelling plate, link together by plastic screw.
The use of barrier assembly has not only obviously improved the convergence of radiating element S parameter, improved impedance and the isolation index of radiating element and aerial array thereof, and improvement by a relatively large margin the cross polarization of radiating element and array pattern horizontal plane thereof compare index.Between barrier assembly and reflecting plate, adopt insulation contact, also ensured intermodulation index.In addition, because bending aluminium flake adopts " several " character form structure, thereby can effectively avoid malformation.
Radiating element is positioned on reflecting plate 6, can optimize directional diagram by the size of accommodation reflex plate width and side 14.The array of radiating element composition, as shown in Fig. 2-6, can obtain the base-station antenna array that meets instructions for use by reasonably optimizing size.
The relative bandwidth of the aerial array of above-mentioned radiating element and formation thereof is more than 40%, in horizontal radiation pattern, axially cross polarization is greater than 25dB than index, ± 60 ° of cross polarization ratios are greater than 15dB, front and back, than being greater than 27dB, can meet the high performance demand of the required wide-band of current antenna for base station completely.Than existing base station radiating element and aerial array, not only there is more excellent impedance and isolation index, and the cross polarization that has obviously improved radiation level face than and front and back than index, ensured structural stability and intermodulation index simultaneously.
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 (6)
1. a dual-polarized antenna array, is characterized in that,
Comprise at least one dual polarization vibrator main body, at least two barrier assemblies, and a reflecting plate;
Described dual polarization vibrator main body is installed on described reflecting plate successively, form an array, the two ends of array, and between adjacent two described dual polarization vibrator main bodys, a described barrier assembly is installed respectively, described reflecting plate arranges two or four rectangular channel near of each described dual polarization vibrator main body position, and each rectangular channel becomes a parasitic radiation gap.
2. dual-polarized antenna array according to claim 1, is characterized in that,
Each described barrier assembly comprises the sheet metal of a few font bendings, two plastics double-screw bolts and four plastic screws, and described sheet metal is fixed on described reflecting plate by described plastics double-screw bolt and described plastic screw.
3. dual-polarized antenna array according to claim 2, is characterized in that,
Described sheet metal comprises an epimere (1), two tilting sections (12) and two hypomeres (13), the length of described epimere (1) is 0.1～0.25 central task wavelength, width is 3mm～10mm, parallel being placed on described reflecting plate, with the vertical centre distance of described reflecting plate be 0.25～0.5 central task wavelength, angle between tilting section (12) and epimere (1) is between 10 °～50 °, width is identical with epimere (1), the length of hypomere (13) and width range are 5mm～15mm, it closely links together by plastic screw (3) and plastics double-screw bolt (2), described sheet thicknesses scope is 1～3mm, described plastics double-screw bolt (2) altitude range is 10mm～30mm, distance between two described plastics double-screw bolts is 0.45～0.7 central task wavelength, between described plastics double-screw bolt and described reflecting plate, link together by described plastic screw.
4. according to the dual-polarized antenna array described in claim 2 or 3, it is characterized in that, described sheet metal is aluminium flake.
5. according to the dual-polarized antenna array described in claim 1 or 2 or 3, it is characterized in that,
The length in the each described parasitic radiation gap on described reflecting plate is 0.2～0.5 central task wavelength, width is 0.01～0.04 central task wavelength, and lateral symmetry, longitudinally symmetry or one-tenth miter angle are symmetrically distributed in the periphery of each described dual polarization vibrator main body, vertical centre distance to described dual polarization vibrator main body is 0.1～0.3 central task wavelength
Described laterally, longitudinally or to become miter angle be the orientation of the array of relatively described dual polarization vibrator main body.
6. according to the dual-polarized antenna array described in claim 1 or 2 or 3, it is characterized in that,
Described dual polarization vibrator main body is symmetrical dipole form, is made by panel beating or extrusion process, is positioned at the transverse center position of described reflecting plate, is highly 1/4 central task wavelength.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320733387.2U CN203760677U (en) | 2013-11-19 | 2013-11-19 | Dual-polarized antenna array |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320733387.2U CN203760677U (en) | 2013-11-19 | 2013-11-19 | Dual-polarized antenna array |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103647138A (en) * | 2013-11-19 | 2014-03-19 | 广州杰赛科技股份有限公司 | Broadband dual-polarized antenna |
| CN105186107A (en) * | 2015-09-23 | 2015-12-23 | 广东曼克维通信科技有限公司 | Dual-polarized antenna and radiation unit thereof |
| CN105680181A (en) * | 2014-10-14 | 2016-06-15 | 优倍快网络公司 | Antenna assembly with axis and method for operating same |
| CN106486770A (en) * | 2015-09-01 | 2017-03-08 | 安弗施无线射频系统（上海）有限公司 | A kind of multifrequency wideband high frequency antenna device |
| US10084238B2 (en) | 2015-10-09 | 2018-09-25 | Ubiquiti Networks, Inc. | Synchronized multiple-radio antenna systems and methods |
| US10284268B2 (en) | 2015-02-23 | 2019-05-07 | Ubiquiti Networks, Inc. | Radio apparatuses for long-range communication of radio-frequency information |
| CN111668605A (en) * | 2020-07-02 | 2020-09-15 | 武汉虹信通信技术有限责任公司 | Electrically-controlled antenna used along high-speed rail |
| US10916844B2 (en) | 2014-03-17 | 2021-02-09 | Ubiquiti Inc. | Array antennas having a plurality of directional beams |
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2013
- 2013-11-19 CN CN201320733387.2U patent/CN203760677U/en not_active Expired - Fee Related
Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103647138A (en) * | 2013-11-19 | 2014-03-19 | 广州杰赛科技股份有限公司 | Broadband dual-polarized antenna |
| CN103647138B (en) * | 2013-11-19 | 2016-08-17 | 广州杰赛科技股份有限公司 | Broadband dual polarized antenna |
| US11296407B2 (en) | 2014-03-17 | 2022-04-05 | Ubiqsiti Inc. | Array antennas having a plurality of directional beams |
| US10916844B2 (en) | 2014-03-17 | 2021-02-09 | Ubiquiti Inc. | Array antennas having a plurality of directional beams |
| US11303016B2 (en) | 2014-10-14 | 2022-04-12 | Ubiquiti Inc. | Multi-sector antennas |
| CN105680181A (en) * | 2014-10-14 | 2016-06-15 | 优倍快网络公司 | Antenna assembly with axis and method for operating same |
| US10164332B2 (en) | 2014-10-14 | 2018-12-25 | Ubiquiti Networks, Inc. | Multi-sector antennas |
| CN105680181B (en) * | 2014-10-14 | 2019-04-12 | 优倍快网络公司 | The method of antenna module and operation antenna module with axis |
| US10770787B2 (en) | 2014-10-14 | 2020-09-08 | Ubiquiti Inc. | Multi-sector antennas |
| US10284268B2 (en) | 2015-02-23 | 2019-05-07 | Ubiquiti Networks, Inc. | Radio apparatuses for long-range communication of radio-frequency information |
| US11336342B2 (en) | 2015-02-23 | 2022-05-17 | Ubiquiti Inc. | Radio apparatuses for long-range communication of radio-frequency information |
| US11115089B2 (en) | 2015-02-23 | 2021-09-07 | Ubiquiti Inc. | Radio apparatuses for long-range communication of radio-frequency information |
| US10749581B2 (en) | 2015-02-23 | 2020-08-18 | Ubiquiti Inc. | Radio apparatuses for long-range communication of radio-frequency information |
| CN106486770A (en) * | 2015-09-01 | 2017-03-08 | 安弗施无线射频系统（上海）有限公司 | A kind of multifrequency wideband high frequency antenna device |
| CN105186107B (en) * | 2015-09-23 | 2018-08-31 | 广东曼克维通信科技有限公司 | Dual polarized antenna and its radiating element |
| CN105186107A (en) * | 2015-09-23 | 2015-12-23 | 广东曼克维通信科技有限公司 | Dual-polarized antenna and radiation unit thereof |
| US10680342B2 (en) | 2015-10-09 | 2020-06-09 | Ubiquiti Inc. | Synchronized multiple-radio antenna systems and methods |
| US10381739B2 (en) | 2015-10-09 | 2019-08-13 | Ubiquiti Networks, Inc. | Synchronized multiple-radio antenna systems and methods |
| US10084238B2 (en) | 2015-10-09 | 2018-09-25 | Ubiquiti Networks, Inc. | Synchronized multiple-radio antenna systems and methods |
| US11303037B2 (en) | 2015-10-09 | 2022-04-12 | Ubiquiti Inc. | Synchronized multiple-radio antenna systems and meihods |
| US11973271B2 (en) | 2015-10-09 | 2024-04-30 | Ubiquiti Inc. | Synchronized multiple-radio antenna systems and methods |
| CN111668605A (en) * | 2020-07-02 | 2020-09-15 | 武汉虹信通信技术有限责任公司 | Electrically-controlled antenna used along high-speed rail |
| CN111668605B (en) * | 2020-07-02 | 2021-07-09 | 中信科移动通信技术股份有限公司 | Electrically-controlled antenna used along high-speed rail |
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Legal Events
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140806 Termination date: 20201119 |