CN102790284A - Antenna device with multiple boundaries and reflecting board thereof - Google Patents
Antenna device with multiple boundaries and reflecting board thereof Download PDFInfo
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- CN102790284A CN102790284A CN2012102259717A CN201210225971A CN102790284A CN 102790284 A CN102790284 A CN 102790284A CN 2012102259717 A CN2012102259717 A CN 2012102259717A CN 201210225971 A CN201210225971 A CN 201210225971A CN 102790284 A CN102790284 A CN 102790284A
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Abstract
The invention provides a base station antenna reflecting board. The reflecting board is characterized by comprising a reflecting surface and at least two groups of side edges arranged on the reflecting surface, a first group of side edges is arranged at edges of two sides of the reflecting surface, a second group of side edges is arranged between the side edges of the first group, each group of side edges comprises two side edges which are mutually parallel and symmetrically distributed relative to a central axis of the reflecting surface, and an interval exists between any adjacent side edges. Simultaneously, an antenna device with multiple boundaries, which utilizing the antenna reflecting board, is provided, by means of multiple radiation side edge technology, the antenna beam bandwidth is widened, the convergence of the beam width is improved, and the planning and covering of the network are facilitated.
Description
Technical field
The present invention relates to the communications field, be specifically related to a kind of antenna assembly and 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, and the index to antenna for base station has also proposed increasingly high requirement thus, shows that especially bandwidth characteristic, cross polarization characteristics, main lobe beamwidth are with aspects such as the fluctuation of frequency and wave beam convergence properties.The factor that influences these antenna index is varied, and the structure of the antenna particularly structure of reflecting plate just belongs to key factor wherein.
In cell mobile communication systems; The basic structure of sector coverage base station antenna adds reflecting plate by the line of radiation array usually and constitutes; The reflecting plate cross sectional shape of this type of antenna plays important effect to the front and back specific characteristic and the horizontal plane radiation pattern of antenna for base station, and the antenna for base station elevation radiation patytern is mainly realized through array design.Usually, the size of reflecting plate is big more, and the front and back of antenna are better more than performance, also helps the control of radiation pattern simultaneously.But because wind carries and is convenient to actual engineering factor such as machinery installations etc., reflecting plate can not unrestrictedly increase, so requires reflecting plate as far as possible little of to reduce the overall dimensions of antenna.On the other hand, the antenna for base station for broader bandwidth requires antenna pattern, and especially the half power lobe width keeps invariable being difficult to accomplish in whole frequency.Therefore, research reflecting plate shape and size are to the aerial radiation characteristic, and particularly the influence of azimuth plane lobe width and front and back ratio is a major issue in the antenna for base station design.
As everyone knows; Common reflecting plate is generally rectangular flat; Have only a reflecting surface and two sides, with the antenna that the reflecting plate of this structure is formed, its narrow bandwidth, main lobe beamwidth are prone to the sudden change frequency and make the poor astringency of wave beam; Be difficult to realize the ultratvide frequency band or the multifrequency antenna for base station of electric index request main lobe wave beam convergence, currently press for a kind of new reflecting plate and antenna assembly solves this technical problem.
Summary of the invention
Base the objective of the invention is to propose a kind of antenna assembly and reflecting plate thereof with multiple border to above-mentioned background, utilizes multiple radiating sides technology to widen the convergence of antenna beam bandwidth, raising beamwidth, is beneficial to the planning and the covering of network.
The present invention at first 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 the reflecting surface, said 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; Every group of side comprises two sides that are parallel to each other and are symmetrically distributed with respect to the reflecting surface central axis, and the spacing of adjacent side is non-vanishing arbitrarily.
Further, comprise following form of implementation:
Form one: the spacing of said first group of side is 0.7 to 0.8 low frequency operation wavelength, and the 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 dual-side of the both sides of said the 3rd group of side and second group of adjacent side is 0.7 to 0.9 high-frequency work wavelength, and the height of each side is 0.15 to 0.17 high-frequency work wavelength in second and third group side.
Wherein, said 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 of widening high band, and the 3rd group of side mainly acts on the control and the adjustment of high band radiation pattern.
Form two: the spacing of said first group of side is 0.5 to 0.7 low frequency operation wavelength, and the side height is 0.05 to 0.07 low frequency operation wavelength; The spacing of said second group of side is 0.3 to 0.5 high-frequency work wavelength, and the side height is 0.11 to 0.14 high-frequency work wavelength.
Wherein, said 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 of widening high band, is used for the control and the adjustment of high band radiation pattern simultaneously.
Form three: the spacing of said first group of side is 0.9 to 1 high-frequency work wavelength, and the side height is 0.15 to 0.17 low frequency operation wavelength; The spacing of said second group of side is 0.7 to 0.9 high-frequency work wavelength, and the side height is 0.14 to 0.16 high-frequency work wavelength.
Wherein, first, second group side is used for the control and the adjustment of high band radiation pattern simultaneously with the bandwidth of operation of widening high band.
As a kind of improvement of such scheme, said first group of side can be 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 be confirmed its preferred size in said scope at the diverse location on the reflecting plate to front and back specific characteristic and the best influence of antenna pattern generation according to it.
The present invention also proposes a kind of antenna assembly with multiple border; The antenna for base station reflecting plate that comprises feeding network, radiating element and such scheme; It is characterized in that: said radiating element arranges that along the central axis of said antenna for base station reflecting plate the rear portion of radiating element is connected with feeding network.
Further, said antenna assembly comprises at least one low frequency radiation unit and at least three high frequency radiation unit, wherein has at least a high frequency radiation unit to be embedded in the low frequency radiation unit.
The spacing of adjacent two low frequency radiation unit is 0.8 to 0.9 low frequency operation wavelength; The spacing of adjacent two high frequency radiation unit is 0.7 to 0.8 high-frequency work wavelength.
Another program, said antenna assembly comprise at least one low frequency radiation unit and at least two high frequency radiation unit; The spacing of adjacent two low frequency radiation unit is 0.7 to 0.9 low frequency operation wavelength, and the spacing of adjacent two high frequency radiation unit is 0.5 to 0.7 high-frequency work wavelength.
The baffle reflection radiated wave of said structure, when reflected wave is close with the primary radiation wave amplitude, when phase place was opposite, the resultant magnetic field then reduced, thereby reduced the backward radiation of primary radiation ripple, and then improved the front and back specific characteristic of antenna; Simultaneously can restrain the horizontal plane beamwidth in the working frequency range fine, thereby make the gain of the height frequency in the working frequency range more approaching, help the planning and the covering of network.
Scheme of the present invention is through increasing multiple radiating sides to reflecting plate; The structure of appropriate design side and dimensional parameters; Then regulate the directional diagram radiance of different frequency bands; Help broadening antenna pattern bandwidth and to the control of antenna pattern performance in the frequency band, the antenna for base station design higher for the directional diagram performance requirement has very high reference value, and other designs that need consider the antenna of reflecting plate shape are also had certain significance for reference.
Description of drawings
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.
Said antenna radiation unit comprises a low frequency radiation unit 6 and three high frequency radiation unit 5a, 5b, 5c, and wherein high frequency radiation unit 5b is embedded in the low frequency radiation unit 6; Said high and low frequency radiating element arranges along the central axis of said antenna for base station reflecting plate, 0.8 antenna high-frequency work wavelength apart between high frequency radiation unit 5a and 5b, 5b and the 5c.
Three groups of sides (1 and 1 ˊ, 2 and 2 ˊ, 3 and 3 ˊ) that said reflecting plate comprises a reflecting surface 4, links to each other with reflecting surface, and each side all is positioned at the top on this plane, reflecting surface 4 place; 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) with the center line on plane, reflecting surface 4 place be the axial symmetry vertical distribution on reflecting surface 4, and the spacing of adjacent two sides is non-vanishing arbitrarily.
The width of said 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, highly is 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 said three groups of sides, height can be confirmed its optimal size in said scope at the diverse location on the reflecting plate to front and back specific characteristic and the best influence of antenna pattern generation according to it.
What said reflecting surface 4 and three groups of sides (1 and 1 ˊ, 2 and 2 ˊ, 3 and 3 ˊ) were positioned at said antenna radiation unit 5,6 belows is the scope of radius with the certain-length; The span of said 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, like Fig. 3 and shown in 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 said reflecting plate comprises reflecting surface 9, is connected with reflecting surface 9, and side (7 and 7 ˊ, 8 and 8 ˊ) all is positioned at the top on this plane, reflecting surface 9 place; Wherein first group of side (7 and 7 ˊ) is arranged in the edge of reflecting surface 9, all the other two groups of sides (8 and 8 ˊ) with the reflecting surface center line be the axial symmetry vertical distribution on reflecting surface 9, and arbitrarily the spacing of adjacent side is non-vanishing.
The width of said 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, highly is 0.16 antenna high-frequency work wavelength; Second group of side (8 and 8 ˊ) spacing is 0.7 antenna high-frequency work wavelength, highly is 0.16 antenna operation wavelength.The spacing of said two groups of sides, height can be confirmed its optimal size in said scope at the diverse location on the reflecting plate to front and back specific characteristic and the best influence of antenna pattern generation according to it.
Said reflecting plate comprises that what be positioned at said antenna radiation unit 10 belows is the scope of radius with the certain-length for reflecting surface 9 and two groups of sides (7 and 7 ˊ, 8 and 8 ˊ); The span of said certain-length is 0.4～0.5 antenna operation wavelength.
Like Fig. 5 and shown in Figure 6; A practical implementation form after the embodiment of the invention two distortion; Said first group of side (7 and 7 ˊ) can be in reflecting surface 9 or outer incline, also can curved hook solid outwards stretch, and it stretches visual its influence to antenna pattern of angle and adjusts.
Embodiments of the invention three, like Fig. 7 and shown in Figure 8, antenna assembly comprises two low frequency radiation unit (15a, 16b), four high frequency radiation unit (14a, 14b, 14c, 14d) and reflecting plate 13; The spacing of adjacent two low frequency radiation unit is 0.9 low frequency operation wavelength, and the spacing of adjacent two high frequency radiation unit is 0.6 high-frequency work wavelength.
Said high frequency radiation unit 14a, 14b, 14c, 14d arrange along said reflecting plate center line with the spacing of 0.6 high-frequency work wavelength; Low frequency radiation unit 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 are at a distance of 0.8 antenna low frequency operation wavelength.
Two groups of sides (11 and 11 ˊ, 12 and 12 ˊ) that said reflecting plate comprises a reflecting surface 13, links to each other with reflecting surface 13, and side (11 and 11 ˊ, 12 and 12 ˊ) all is positioned at the top on this plane, reflecting surface 13 place; Wherein first group of side (11 and 11 ˊ) is arranged in the both sides of the edge of reflecting surface 13, second group of side (12 and 12 ˊ) with the center line of reflecting surface 13 be the axial symmetry vertical distribution on reflecting surface 13, think that arbitrarily the spacing of adjacent side is non-vanishing.
The width of said reflecting surface 13 is 0.5～0.7 antenna low frequency operation wavelength or 0.8～1 antenna high-frequency work wavelength; Symmetrical side (the 11 and 11 ˊ) spacing that is in reflecting surface 13 edges is 0.5～0.7 antenna low frequency operation wavelength, and symmetrical side (the 12 and 12 ˊ) spacing that is in reflecting surface 13 middle parts is 0.3～0.5 antenna high-frequency work wavelength; The height that is in the symmetrical side (11 and 11 ˊ) at reflecting surface 13 edges is 0.05～0.07 antenna low frequency operation wavelength, and the height that is in the symmetrical side (12 and 12 ˊ) at reflecting surface 13 middle parts is 0.11～0.14 antenna high-frequency work wavelength.The spacing of symmetry side (11 and 11 ˊ, 12 and 12 ˊ), height can be confirmed its preferred size in said scope at the diverse location on the reflecting plate to front and back specific characteristic and the best influence of antenna pattern generation according to it.
Said metallic reflection plate is connected in the rear portion of antenna radiation unit 14,15, and what said reflecting surface 13 and side (11 and 11 ˊ, 12 and 12 ˊ) were positioned at said antenna radiation unit 14,15 belows is the scope of radius with the certain-length; The span of said 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, said first group of side (11 and 11 ˊ) can be in reflecting surface or outer incline.
More than 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 of spirit of the present invention, distortion that these are equal to or replacement all are included within protection scope of the present invention.
Claims (10)
1. antenna for base station reflecting plate, it is characterized in that: comprise reflecting surface and be located at least two group sides on the reflecting surface, said 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; Every group of side comprises two sides that are parallel to each other and are symmetrically distributed with respect to the reflecting surface central axis, and the spacing of adjacent side is non-vanishing arbitrarily.
2. a kind of antenna for base station reflecting plate according to claim 1 is characterized in that: the spacing of said first group of side is 0.7 to 0.8 low frequency operation wavelength, and the side height is 0.04 to 0.06 low frequency operation wavelength.
3. a kind of antenna for base station reflecting plate according to claim 2; It is characterized in that: also comprise the 3rd group of side between second group of side; The spacing of the dual-side of the both sides of said the 3rd group of side and second group of adjacent side is 0.7 to 0.9 high-frequency work wavelength, and the height of each side is 0.15 to 0.17 high-frequency work wavelength in second and third group side.
4. a kind of antenna for base station reflecting plate according to claim 1 is characterized in that: the spacing of said first group of side is 0.5 to 0.7 low frequency operation wavelength, and the side height is 0.05 to 0.07 low frequency operation wavelength; The spacing of said second group of side is 0.3 to 0.5 high-frequency work wavelength, and the side height is 0.11 to 0.14 high-frequency work wavelength.
5. a kind of antenna for base station reflecting plate according to claim 1 is characterized in that: the spacing of said first group of side is 0.9 to 1 high-frequency work wavelength, and the side height is 0.15 to 0.17 low frequency operation wavelength; The spacing of said second group of side is 0.7 to 0.9 high-frequency work wavelength, and the side height is 0.14 to 0.16 high-frequency work wavelength.
6. a kind of antenna for base station reflecting plate according to claim 5 is characterized in that: said first group of side can be perpendicular to reflecting surface, or in reflecting surface outer incline, or curved hook solid outwards stretches.
7. antenna assembly with multiple border; Comprise each described antenna for base station reflecting plate of feeding network, radiating element and claim 1 to 6; It is characterized in that: said radiating element arranges that along the central axis of said antenna for base station reflecting plate the rear portion of radiating element is connected with feeding network.
8. a kind of antenna for base station reflecting plate according to claim 7 is characterized in that: comprise at least one low frequency radiation unit and at least three high frequency radiation unit, wherein have at least a high frequency radiation unit to be embedded in the low frequency radiation unit.
9. a kind of antenna for base station reflecting plate according to claim 8 is characterized in that: the spacing of adjacent two low frequency radiation unit is 0.8 to 0.9 low frequency operation wavelength; The spacing of adjacent two high frequency radiation unit is 0.7 to 0.8 high-frequency work wavelength.
10. a kind of antenna for base station reflecting plate according to claim 7 is characterized in that: comprise at least one low frequency radiation unit and at least two high frequency radiation unit; The spacing of adjacent two low frequency radiation unit is 0.7 to 0.9 low frequency operation wavelength, and the spacing of adjacent two high frequency radiation unit 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 CN102790284B (en) | 2015-09-16 |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| CN105048066A (en) * | 2015-05-15 | 2015-11-11 | 广东盛路通信科技股份有限公司 | Low-profile high-gain fractal miniature base station antenna |
| CN105390821A (en) * | 2015-12-17 | 2016-03-09 | 京信通信技术(广州)有限公司 | Antenna and antenna relation plate |
| CN105706298A (en) * | 2013-11-05 | 2016-06-22 | 株式会社Kmw | Antenna radiation element and multiband antenna |
| 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 |
| CN107994335A (en) * | 2017-12-07 | 2018-05-04 | 京信通信系统（中国）有限公司 | Antenna assembly |
| CN108376841A (en) * | 2018-01-05 | 2018-08-07 | 佛山市顺德区中山大学研究院 | Compare broadband dual polarized antenna before and after a kind of height with abutment wall structure |
| CN108717990A (en) * | 2018-05-31 | 2018-10-30 | 京信通信系统（中国）有限公司 | Multifrequency antenna for base station and its radiating element |
| 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 |
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| CN105706298A (en) * | 2013-11-05 | 2016-06-22 | 株式会社Kmw | Antenna radiation element and multiband antenna |
| CN105706298B (en) * | 2013-11-05 | 2021-09-07 | 株式会社Kmw | Antenna radiation element and multiband antenna |
| 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 |
| 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 |
| CN105048066A (en) * | 2015-05-15 | 2015-11-11 | 广东盛路通信科技股份有限公司 | Low-profile high-gain fractal miniature base station 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 |
| CN105390821A (en) * | 2015-12-17 | 2016-03-09 | 京信通信技术(广州)有限公司 | Antenna and antenna relation plate |
| 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 |
| CN107994335A (en) * | 2017-12-07 | 2018-05-04 | 京信通信系统（中国）有限公司 | Antenna assembly |
| 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 |
| CN108376841A (en) * | 2018-01-05 | 2018-08-07 | 佛山市顺德区中山大学研究院 | Compare broadband dual polarized antenna before and after a kind of height with abutment 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 |
| CN108717990A (en) * | 2018-05-31 | 2018-10-30 | 京信通信系统（中国）有限公司 | Multifrequency antenna for base station and its radiating element |
| 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 |
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| CN102790284B (en) | 2015-09-16 |
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