CN102790284B - A kind of antenna assembly and reflecting plate thereof with multiple border - Google Patents
A kind of antenna assembly and reflecting plate thereof with multiple border Download PDFInfo
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- CN102790284B CN102790284B CN201210225971.7A CN201210225971A CN102790284B CN 102790284 B CN102790284 B CN 102790284B CN 201210225971 A CN201210225971 A CN 201210225971A CN 102790284 B CN102790284 B CN 102790284B
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Abstract
The present invention proposes a kind of antenna for base station reflecting plate, it is characterized in that: comprise reflecting surface and be located at least two group sides on reflecting surface, described reflecting surface both sides of the edge are provided with first group of side, are provided with second group of side between first group of side; Often organize side to comprise and being parallel to each other and symmetrical relative to reflecting surface central axis two sides, the spacing of the side of arbitrary neighborhood is non-vanishing.Meanwhile, propose a kind of antenna assembly with multiple border that plate penetrated by this antenna of application, utilize multiple reflection side technology for widening antenna beam bandwidth, improve the convergence of beamwidth, be beneficial to planning and the covering of network.
Description
Technical field
The present invention relates to the communications field, be specifically related to a kind of antenna assembly and the reflecting plate thereof with multiple border
Background technology
The world today, science and technology is maked rapid progress, wherein the development of mobile communications industry is particularly swift and violent, it is also proposed more and more higher requirement thus to the index of antenna for base station, especially shows that bandwidth characteristic, cross polarization characteristics, main lobe beamwidth are with aspects such as the fluctuation of frequency and beam converges characteristics.The factor affecting these antenna index is varied, and the structure of the structure of antenna particularly reflecting plate just belongs to key factor wherein.
In cell mobile communication systems, the basic structure of sector coverage base station antenna usually adds reflecting plate by line of radiation array and forms, the reflecting plate cross sectional shape of this type of antenna plays very important effect to the front and back specific characteristic of antenna for base station and horizontal plane radiation pattern, and antenna for base station elevation radiation patytern realizes mainly through Array Design.Usually, the size of reflecting plate is larger, and the front and back of antenna are better than performance, is also conducive to the control of radiation pattern simultaneously.But carry due to wind and be convenient to the Practical Project factors such as mechanical erection, reflecting plate can not unrestrictedly increase, therefore require that reflecting plate is little of as far as possible the overall dimensions reducing antenna.On the other hand, for the antenna for base station of broader bandwidth, require antenna pattern, especially half power lobe width keeps invariable being difficult to accomplish in whole frequency range.Therefore, research reflecting plate shape and size are to antenna radiation characteristics, and particularly the impact of azimuth plane lobe width and front and back ratio is a major issue in antenna for base station design.
As everyone knows, conventional reflector plate is generally rectangular flat, only have a reflecting surface and two sides, with the antenna of the reflecting plate of this structure composition, its narrow bandwidth, main lobe beamwidth easily occur that sudden change frequency makes the poor astringency of wave beam, be difficult to the ultratvide frequency band or the multifrequency antenna for base station that realize electrical specifications requirement main lobe beam converges, currently solve this technical problem in the urgent need to a kind of new reflecting plate and antenna assembly.
Summary of the invention
Base, to above-mentioned background, the object of the invention is to propose a kind of antenna assembly and reflecting plate thereof with multiple border, utilizes multiple reflection side technology for widening antenna beam bandwidth, improves the convergence of beamwidth, be beneficial to planning and the covering of network.
First the present invention proposes a kind of antenna for base station reflecting plate, it is characterized in that: comprise reflecting surface and be located at least two group sides on reflecting surface, described reflecting surface both sides of the edge are provided with first group of side, are provided with second group of side between first group of side; Often organize side to comprise and being parallel to each other and symmetrical relative to reflecting surface central axis two sides, the spacing of the side of arbitrary neighborhood is non-vanishing.
Further, following form of implementation is comprised:
Form one: the spacing of described first group of side is 0.7 to 0.8 low frequency operation wavelength, and side height is 0.04 to 0.06 low frequency operation wavelength.
Also comprise the 3rd group of side between second group of side, the spacing of the both sides of described 3rd group of side and the dual-side of adjacent second group of side is 0.7 to 0.9 high-frequency work wavelength, and in second and third group side, the height of each side is 0.15 to 0.17 high-frequency work wavelength.
Wherein, described first group of side mainly acts on the control of low-frequency range antenna pattern characteristic, and second group of side is mainly used in the bandwidth of operation widening high band, and the 3rd group of side mainly acts on the controlling and adjustment of high band radiation pattern.
Form two: the spacing of described first group of side is 0.5 to 0.7 low frequency operation wavelength, and side height is 0.05 to 0.07 low frequency operation wavelength; The spacing of described second group of side is 0.3 to 0.5 high-frequency work wavelength, and side height is 0.11 to 0.14 high-frequency work wavelength.
Wherein, described first group of side mainly acts on the control of low-frequency range antenna pattern characteristic, and second group of side is mainly used in the bandwidth of operation widening high band, simultaneously for the controlling and adjustment of high band radiation pattern.
Form three: the spacing of described first group of side is 0.9 to 1 high-frequency work wavelength, and side height is 0.15 to 0.17 low frequency operation wavelength; The spacing of described second group of side is 0.7 to 0.9 high-frequency work wavelength, and side height is 0.14 to 0.16 high-frequency work wavelength.
Wherein, first, second group side bandwidth of operation widening high band, simultaneously for the controlling and adjustment of high band radiation pattern.
One as such scheme is improved, and described first group of side can perpendicular to reflecting surface, or in reflecting surface outer incline, or curved hook solid outwards stretches.
In above-mentioned each form, the spacing of side, height can produce best impact according to its diverse location on reflecting plate to front and back specific characteristic and antenna pattern and determine its preferred size in described scope.
The present invention also proposes a kind of antenna assembly with multiple border, comprise the antenna for base station reflecting plate of feeding network, radiating element and such scheme, it is characterized in that: described radiating element is arranged along the central axis of described antenna for base station reflecting plate, and the rear portion of radiating element is connected with feeding network.
Further, described antenna assembly comprises at least one low frequency radiating element and at least three high frequency radiating element, wherein has at least a high frequency radiating element to be embedded in low frequency radiating element.
The spacing of adjacent two low frequency radiating element is 0.8 to 0.9 low frequency operation wavelength; The spacing of adjacent two high frequency radiating element is 0.7 to 0.8 high-frequency work wavelength.
Another program, described antenna assembly comprises at least one low frequency radiating element and at least two high frequency radiating element; The spacing of adjacent two low frequency radiating element is 0.7 to 0.9 low frequency operation wavelength, and the spacing of adjacent two high frequency radiating element is 0.5 to 0.7 high-frequency work wavelength.
The baffle reflection radiated wave of said structure, when reflected wave is close with primary radiation wave amplitude, when phase place is contrary, resultant magnetic field then reduces, thus reduces the backward radiation of primary radiation ripple, and then improves the front and back specific characteristic of antenna; Can the horizontal plane beamwidth in working frequency range be restrained very well simultaneously, thus make the gain of the height frequency in working frequency range more close, be conducive to planning and the covering of network.
The solution of the present invention is by increasing multiple reflection side to reflecting plate, the structure of appropriate design side and dimensional parameters, then the directional diagram radiance of different frequency bands is regulated, be conducive to the control of broadening antenna pattern bandwidth sum to antenna pattern performance in frequency band, the antenna for base station design higher for directional diagram performance requirement has very high reference value, needs the design of the antenna considering reflecting plate shape also to have certain reference significance to other.
Accompanying drawing explanation
Fig. 1 is the structural representation one of antenna assembly.
Fig. 2 is the schematic cross-section of Fig. 1.
Fig. 3 is the structural representation two of antenna assembly.
Fig. 4 is the schematic cross-section of Fig. 3.
Fig. 5 is the structural representation three of antenna assembly.
Fig. 6 is the schematic cross-section of Fig. 5.
Fig. 7 is the structural representation four of antenna assembly.
Fig. 8 is the schematic cross-section of Fig. 7.
Embodiment
Embodiments of the invention one, as depicted in figs. 1 and 2, antenna assembly comprises antenna radiation unit and reflecting plate.
Described antenna radiation unit comprises a low frequency radiating element 6 and three high frequency radiating element 5a, 5b, 5c, and wherein high frequency radiating element 5b is embedded in low frequency radiating element 6; Described high and low frequency radiating element is arranged along the central axis of described antenna for base station reflecting plate, at a distance of 0.8 antenna high-frequency work wavelength between high frequency radiating element 5a and 5b, 5b and 5c.
Three groups of sides (1 and 1 ˊ, 2 and 2 ˊ, 3 and 3 ˊ) that described reflecting plate comprises a reflecting surface 4, is connected with reflecting surface, and each side is all positioned at the top of this reflecting surface 4 place plane; Wherein, first group of side (1 and 1 ˊ) is arranged in the both sides of the edge of reflecting surface 4, all the other two groups of sides (2 and 2 ˊ, 3 and 3 ˊ) are with the center line of reflecting surface 4 place plane for axial symmetry vertical distribution is on reflecting surface 4, and the spacing of arbitrary neighborhood two sides is non-vanishing.
The width of described reflecting surface 4 is 0.8 antenna low frequency operation wavelength; First group of side (1 and 1 ˊ) spacing is 0.8 antenna low frequency operation wavelength, is highly 0.05 antenna low frequency operation wavelength; The spacing of second group of side and the 3rd group of side (2 and 2 ˊ, 3 and 3 ˊ) is 0.7 antenna high-frequency work wavelength, and the height of second group of side is 0.16 antenna high-frequency work wavelength, and the height of the 3rd group of side is 0.15 antenna high-frequency work wavelength.The spacing of described three groups of sides, height can produce best impact according to its diverse location on reflecting plate to front and back specific characteristic and antenna pattern and determine its optimal size in described scope.
It below described antenna radiation unit 5,6 take certain length as the scope of radius that described reflecting surface 4 and three groups of sides (1 and 1 ˊ, 2 and 2 ˊ, 3 and 3 ˊ) are positioned at; The span of described certain length is 0.3 ~ 0.4 antenna low frequency operation wavelength or 0.8 ~ 1 antenna high-frequency work wavelength.
Embodiments of the invention two, as shown in Figure 3 and Figure 4, antenna assembly comprises wideband high band antenna radiation unit 10 and reflecting plate.
Two groups of sides (7 and 7 ˊ, 8 and 8 ˊ) that described reflecting plate comprises reflecting surface 9, is connected with reflecting surface 9, and side (7 and 7 ˊ, 8 and 8 ˊ) is all positioned at the top of this reflecting surface 9 place plane; Wherein first group of side (7 and 7 ˊ) is arranged in the edge of reflecting surface 9, and all the other two groups of sides (8 and 8 ˊ) are with reflecting surface center line for axial symmetry vertical distribution is on reflecting surface 9, and the spacing of arbitrary neighborhood side is non-vanishing.
The width of described reflecting surface 9 is 0.9 antenna high-frequency work wavelength; The spacing of first group of side (7 and 7 ˊ) is 0.9 antenna high-frequency work wavelength, is highly 0.16 antenna high-frequency work wavelength; Second group of side (8 and 8 ˊ) spacing is 0.7 antenna high-frequency work wavelength, is highly 0.16 antenna operating wavelength.The spacing of described two groups of sides, height can produce best impact according to its diverse location on reflecting plate to front and back specific characteristic and antenna pattern and determine its optimal size in described scope.
It below described antenna radiation unit 10 take certain length as the scope of radius that described reflecting plate comprises that reflecting surface 9 and two groups of sides (7 and 7 ˊ, 8 and 8 ˊ) be positioned at; The span of described certain length is 0.4 ~ 0.5 antenna operating wavelength.
As shown in Figure 5 and Figure 6, a concrete form of implementation after the embodiment of the present invention two distortion, described first group of side (7 and 7 ˊ) can tilt in or beyond reflecting surface 9, also can curved hook solid outwards stretch, and it stretches visual its of angle and adjusts the impact of antenna pattern.
Embodiments of the invention three, as shown in Figure 7 and Figure 8, antenna assembly comprises two low frequency radiating element (15a, 16b), four high frequency radiating element (14a, 14b, 14c, 14d) and reflecting plate 13; The spacing of adjacent two low frequency radiating element is 0.9 low frequency operation wavelength, and the spacing of adjacent two high frequency radiating element is 0.6 high-frequency work wavelength.
Described high frequency radiating element 14a, 14b, 14c, 14d arrange along described reflecting plate center line with the spacing of 0.6 high-frequency work wavelength, low frequency radiating element 15a is positioned at the mid point of 14a and 14b line, 15b is positioned at the mid point of 14c and 14d line, and 15a and 15b is at a distance of 0.8 antenna low frequency operation wavelength.
Two groups of sides (11 and 11 ˊ, 12 and 12 ˊ) that described reflecting plate comprises a reflecting surface 13, is connected with reflecting surface 13, and side (11 and 11 ˊ, 12 and 12 ˊ) is all positioned at the top of this reflecting surface 13 place plane; Wherein first group of side (11 and 11 ˊ) is arranged in the both sides of the edge of reflecting surface 13, and second group of side (12 and 12 ˊ) for axial symmetry vertical distribution is on reflecting surface 13, thinks that arbitrarily the spacing of adjacent side is non-vanishing with the center line of reflecting surface 13.
The width of described reflecting surface 13 is 0.5 ~ 0.7 antenna low frequency operation wavelength or 0.8 ~ 1 antenna high-frequency work wavelength; Symmetrical sides (the 11 and 11 ˊ) spacing being in reflecting surface 13 edge is 0.5 ~ 0.7 antenna low frequency operation wavelength, and symmetrical sides (the 12 and 12 ˊ) spacing be in the middle part of reflecting surface 13 is 0.3 ~ 0.5 antenna high-frequency work wavelength; The height being in the symmetrical sides (11 and 11 ˊ) at reflecting surface 13 edge is 0.05 ~ 0.07 antenna low frequency operation wavelength, and the height being in the symmetrical sides (12 and 12 ˊ) in the middle part of reflecting surface 13 is 0.11 ~ 0.14 antenna high-frequency work wavelength.The spacing of symmetrical sides (11 and 11 ˊ, 12 and 12 ˊ), height can produce best impact according to its diverse location on reflecting plate to front and back specific characteristic and antenna pattern and determine its preferred size in described scope.
Described metallic reflection plate is connected to the rear portion of antenna radiation unit 14,15, and it below described antenna radiation unit 14,15 take certain length as the scope of radius that described reflecting surface 13 and side (11 and 11 ˊ, 12 and 12 ˊ) are positioned at; The span of described certain length is 0.2 ~ 0.4 antenna low frequency operation wavelength or 0.4 ~ 0.5 antenna high-frequency work wavelength.
The another kind of form of such scheme, as shown in Figure 9, described first group of side (11 and 11 ˊ) can tilt in or beyond reflecting surface.
Above preferred embodiment of the present invention is described in detail; certainly; the present invention is not limited to above-mentioned execution mode; those of ordinary skill in the art also can make equivalent variations or replacement under the prerequisite without prejudice to spirit of the present invention, and these equivalent distortion or replacement are all included within protection scope of the present invention.
Claims (5)
1. an antenna for base station reflecting plate, is characterized in that: comprise reflecting surface and be located at least two group sides on reflecting surface, described reflecting surface both sides of the edge are provided with first group of side, are provided with second group of side between first group of side; Often organize side to comprise and being parallel to each other and symmetrical relative to reflecting surface central axis two sides, the spacing of the side of arbitrary neighborhood is non-vanishing, wherein:
The spacing of described first group of side is 0.9 to 1 high-frequency work wavelength, and side height is 0.15 to 0.17 low frequency operation wavelength; The spacing of described second group of side is 0.7 to 0.9 high-frequency work wavelength, and side height is 0.14 to 0.16 high-frequency work wavelength, and described first group of curved hook solid of side outwards stretches; Described first group of side and second group of side for widening the bandwidth of operation of high band, simultaneously for the controlling and adjustment of high band radiation pattern.
2. one kind has the antenna assembly on multiple border, comprise feeding network, radiating element and antenna for base station reflecting plate according to claim 1, it is characterized in that: described radiating element is arranged along the central axis of described antenna for base station reflecting plate, and the rear portion of radiating element is connected with feeding network.
3. the antenna assembly with multiple border according to claim 2, is characterized in that: comprise at least one low frequency radiating element and at least three high frequency radiating element, wherein has at least a high frequency radiating element to be embedded in low frequency radiating element.
4. the antenna assembly with multiple border according to claim 3, is characterized in that: the spacing of adjacent two low frequency radiating element is 0.8 to 0.9 low frequency operation wavelength; The spacing of adjacent two high frequency radiating element is 0.7 to 0.8 high-frequency work wavelength.
5. the antenna assembly with multiple border according to claim 2, is characterized in that: comprise at least one low frequency radiating element and at least two high frequency radiating element; The spacing of adjacent two low frequency radiating element is 0.7 to 0.9 low frequency operation wavelength, and the spacing of adjacent two high frequency radiating element is 0.5 to 0.7 high-frequency work wavelength.
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| CN201210225971.7A CN102790284B (en) | 2012-07-02 | 2012-07-02 | A kind of antenna assembly and reflecting plate thereof with multiple border |
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| CN201210225971.7A CN102790284B (en) | 2012-07-02 | 2012-07-02 | A kind of antenna assembly and reflecting plate thereof with multiple border |
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| CN102790284B true CN102790284B (en) | 2015-09-16 |
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Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101756112B1 (en) * | 2013-11-05 | 2017-07-11 | 주식회사 케이엠더블유 | Antenna radiating element and multi-band antenna |
| CN104157964A (en) * | 2014-09-01 | 2014-11-19 | 镇江中安通信科技有限公司 | Intermediate-frequency planar antenna with high front-to-back ratio |
| CN104183909A (en) * | 2014-09-01 | 2014-12-03 | 镇江中安通信科技有限公司 | Two-side-edge intermediate-frequency planar antenna |
| CN104201461A (en) * | 2014-09-01 | 2014-12-10 | 镇江中安通信科技有限公司 | Double-side low-frequency planar antenna |
| CN105048066B (en) * | 2015-05-15 | 2018-03-20 | 广东盛路通信科技股份有限公司 | A kind of low section high-gain divides shape small base station antenna |
| CN105390821B (en) * | 2015-12-17 | 2021-07-30 | 京信通信技术(广州)有限公司 | Antenna and antenna reflecting plate thereof |
| CN106299670A (en) * | 2016-10-14 | 2017-01-04 | 深圳国人通信股份有限公司 | A kind of double frequency ultra broadband antenna for base station |
| CN107994335B (en) * | 2017-12-07 | 2023-11-24 | 京信通信技术(广州)有限公司 | Antenna device |
| CN108376841B (en) * | 2018-01-05 | 2020-08-04 | 佛山市顺德区中山大学研究院 | High front-to-back ratio broadband dual-polarized antenna with side wall structure |
| CN108717990B (en) * | 2018-05-31 | 2020-09-01 | 京信通信技术(广州)有限公司 | Multi-frequency base station antenna and radiation unit thereof |
| CN111525234A (en) * | 2020-06-02 | 2020-08-11 | Oppo广东移动通信有限公司 | Dual-polarized antenna and customer front-end equipment |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3620774B2 (en) * | 1998-06-22 | 2005-02-16 | 株式会社エヌ・ティ・ティ・ドコモ | Base station antenna device |
| JP3625142B2 (en) * | 1998-10-16 | 2005-03-02 | 株式会社エヌ・ティ・ティ・ドコモ | Base station antenna device |
| CN2505992Y (en) * | 2001-07-27 | 2002-08-14 | 台湾骏炎科技股份有限公司 | Bipolar gap dipole array antenna |
| CN2547016Y (en) * | 2002-06-13 | 2003-04-23 | 靖江市亚信电子科技有限公司 | Double-polarisation base station antenna of special reflection plate |
| JP4597579B2 (en) * | 2003-08-05 | 2010-12-15 | 日本アンテナ株式会社 | Flat antenna with reflector |
| KR20090117945A (en) * | 2007-04-27 | 2009-11-16 | 닛본 덴끼 가부시끼가이샤 | Patch antenna with metallic wall |
| KR101017670B1 (en) * | 2007-10-05 | 2011-02-25 | 주식회사 에이스테크놀로지 | Antenna having a choke member |
| CN202004156U (en) * | 2010-12-07 | 2011-10-05 | 南京恩瑞特实业有限公司 | Array unit used in antenna array of module combined base station |
| CN102299398B (en) * | 2011-05-20 | 2013-12-25 | 广东通宇通讯股份有限公司 | Dual-frequency dual-polarized antenna |
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