CN103515697A - Broadband high-performance dual-polarized radiation unit and base station antenna - Google Patents
Broadband high-performance dual-polarized radiation unit and base station antenna Download PDFInfo
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- CN103515697A CN103515697A CN201210208375.8A CN201210208375A CN103515697A CN 103515697 A CN103515697 A CN 103515697A CN 201210208375 A CN201210208375 A CN 201210208375A CN 103515697 A CN103515697 A CN 103515697A
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Abstract
The invention discloses a dual-polarized radiation unit and a base station antenna with the dual-polarized radiation unit. The dual-polarized radiation unit has a supporting seat and four radiation parts which extend out of the supporting seat. Each radiation part has a plurality of edges. Each radiation part is a bending structure with the polarization direction being broken lines, and the height to earth of corresponding edges of the radiation part is changed. As each radiation part of the dual-polarized radiation unit is a bending structure with the polarization direction being broken lines and the height to earth of corresponding edges of the radiation part is changed, bandwidth is increased and consistency of electrical size to earth is realized through adjustment of physical height size to earth of different frequency bands. Thus, the dual-polarized radiation unit and the base station antenna with the dual-polarized radiation unit have wider bandwidth.
Description
Technical field
The present invention relates to mobile communication technology field, relate in particular to a kind of Wide band high performance dual-polarization radiating unit and antenna for base station.
Background technology
Along with the continuous progress of society, people are more and more higher to the requirement of mobile communication, force mobile communications industry towards the future development of diversification, to bring more convenience to mobile subscriber.Yet existing mobile communications network, when bringing convenience to mobile subscriber, has also increased the quantity of mobile communication equipment, as increased the quantity of antenna for base station.Like this, just increase installation, the maintenance engineering amount of base station equipment, also increased the operation cost of Liao Ge great operator simultaneously.
In order to overcome the problems referred to above, design the main trend that the more wide band antenna of covering has just become Mobile Communication Development.And the working band of described antenna depends on the working band of single oscillator substantially.So it is completely necessary designing the oscillator that can work in broadband more.
For the high band of current mobile communication, 1.7～2.7GHz frequency range can meet CDMA2000, the WCDMA of CHINAUNICOM of most of mobile communication application occasion ，Ru China Telecom, the high band of the TD-SADMA of China Mobile and GSM network.Therefore, design the radiating element that works in this frequency range and just can meet the requirement of current mobile communications network development in pluralism.
Summary of the invention
One of object of the present invention is to provide a kind of dual-polarization radiating unit of expanding bandwidth.
Another object of the present invention is to provide a kind of antenna for base station of expanding bandwidth.
One of for achieving the above object, the invention discloses a kind of dual-polarization radiating unit, four Departments of Radiation that there is a supporting seat and extend out from this supporting seat, each Department of Radiation has a plurality of edges.Each Department of Radiation is take the bending structure that polarised direction is broken line, makes corresponding edges ground level is changed of Department of Radiation.
As further improvement, a plurality of edges of described Department of Radiation are connected to form respectively interior angle, He Liang corner, exterior angle, form edge ground level is reduced to corner gradually by interior angle of interior angle and corner, the edge of formation exterior angle and corner ground level is increased to exterior angle gradually by corner.
As further improvement, a plurality of edges of described Department of Radiation are connected to form respectively interior angle, He Liang corner, exterior angle, form edge ground level is increased to corner gradually by interior angle of interior angle and corner, the edge of formation exterior angle and corner ground level is reduced to exterior angle gradually by corner.
As further improvement, at least a portion edge in a plurality of edges of described Department of Radiation is curved.
Because being, the Department of Radiation of dual-polarization radiating unit of the present invention take the bending structure that polarised direction is broken line, make corresponding edges ground level is changed of Department of Radiation, thereby by the adjusted size of physical height over the ground of different frequency range, realization increase bandwidth and the over the ground consistency of electric size, so the present invention's dual-polarization radiating unit has wider bandwidth.
For achieving the above object two, the invention discloses a kind of antenna for base station, comprise reflecting plate and be fixed on the dual-polarization radiating unit on reflecting plate, four Departments of Radiation that dual-polarization radiating unit has a supporting seat and extends out from this supporting seat, each Department of Radiation has a plurality of edges.Each Department of Radiation is take the bending structure that polarised direction is broken line, and the corresponding edges that makes Department of Radiation changes to the distance of reflecting plate.
As further improvement, a plurality of edges of described Department of Radiation form interior angle, He Liang corner, exterior angle, form a ridge edge, described Department of Radiation Ji Yan both sides hollow out between interior angle and exterior angle.
As further improvement, described ridge is along curved.
As further improvement, a plurality of edges of described Department of Radiation form interior angle, He Liang corner, exterior angle, the edge of formation interior angle and corner is reduced to corner by interior angle gradually to the distance of reflecting plate, and the edge of described formation exterior angle and corner is increased to exterior angle by corner gradually to the distance of reflecting plate.
As further improvement, a plurality of edges of described Department of Radiation form interior angle, He Liang corner, exterior angle, the edge of formation interior angle and corner is increased to corner by interior angle gradually to the distance of reflecting plate, and the edge of formation exterior angle and corner is reduced to exterior angle by corner gradually to the distance of reflecting plate.
As further improvement, at least a portion edge in a plurality of edges of described Department of Radiation is curved.
Because being, the Department of Radiation of the dual-polarization radiating unit of antenna for base station of the present invention take the bending structure that polarised direction is broken line, make corresponding edges ground level is changed of Department of Radiation, thereby by the adjusted size of physical height over the ground of different frequency range, realization increase bandwidth and the over the ground consistency of electric size, so the present invention's antenna for base station has wider bandwidth.
Accompanying drawing explanation
Fig. 1 is the front view of antenna for base station of the present invention.
Fig. 2 is the stereogram of dual-polarization radiating unit first embodiment of antenna for base station of the present invention.
Fig. 3 is the vertical view of the dual-polarization radiating unit of antenna for base station of the present invention.
Fig. 4 is the end view of dual-polarization radiating unit shown in Fig. 2.
Fig. 5 is the vertical view of dual-polarization radiating unit second embodiment of antenna for base station of the present invention.
Fig. 6 is the end view of dual-polarization radiating unit the 3rd embodiment of antenna for base station of the present invention.
Fig. 7 is the end view of dual-polarization radiating unit the 4th embodiment of antenna for base station of the present invention.
Fig. 8 is the end view of dual-polarization radiating unit the 5th embodiment of antenna for base station of the present invention.
Fig. 9 is the directional diagram at 1.7GHz frequency of dual-polarization radiating unit first embodiment of antenna for base station of the present invention.
Figure 10 is the directional diagram at 2.2GHz frequency of dual-polarization radiating unit first embodiment of antenna for base station of the present invention.
Figure 11 is the directional diagram at 2.7GHz frequency of dual-polarization radiating unit first embodiment of antenna for base station of the present invention.
Embodiment
For describing technology contents of the present invention, structural feature, the object realizing and effect in detail, below especially exemplified by embodiment and coordinate accompanying drawing to be explained in detail.
Refer to Fig. 1, antenna for base station of the present invention has a reflecting plate 10 and and is fixed on the oscillator battle array 20 on reflecting plate 10.In this enforcement, described oscillator battle array 20 has a plurality of dual-polarization radiating units 200, and dual-polarization radiating unit 200 is shot out signal amplitude, thereby realizes the signal transmission of antenna for base station and mobile terminal.This dual-polarization radiating unit 200 works in 1.7～2.7GHz frequency range.
Refer to Fig. 2 to 4, it has disclosed the first embodiment of the dual-polarization radiating unit 200 of antenna for base station of the present invention, in the present embodiment, four Departments of Radiation 220 that dual-polarization radiating unit 200 has a supporting seat 210 and extends out from this supporting seat 210, this dual-polarization radiating unit 200 has+45 ° and-45 ° of polarised direction A and B, and as figure.
Supporting seat 210 has the base plate 211 of a circle.Base plate 211 upwards vertically extends four support arms 212.
Department of Radiation 220 extends out from support arm 213 top, and it has Si Ge edge 221,222,223,224.221,222 one end, edge is connected in support arm 213 top, thereby forms the interior angle 225 of Department of Radiation 220.223,224 one end, edge interconnects and forms Department of Radiation 220 exterior angle 226.The other end at edge 223,224 is connected with the other end at edge 221,222 respectively and forms Department of Radiation 220 corner 227.Polarised direction A or B be take as broken line bends in opposite directions in Department of Radiation 220Liang corner 227, make the V-shaped bending structure of Department of Radiation 220, thereby form a ridge along 228 between interior angle 225He exterior angle 226.
In the present embodiment, Open Side Down for Department of Radiation 220, be that the opening of Department of Radiation 220 of V-arrangement is towards reflecting plate 10, make edge 221, 222 distances to reflecting plate 10 are reduced gradually by 227 places, interior angle 225Chu Dao corner, make edge 223, 224 distances to reflecting plate 10 are increased gradually by 226 places, 227Chu Dao exterior angle, corner, thereby making corner 227 is the quarter-wave of high frequency points 2.7GHz wavelength to the distance (being corner 227 distance over the ground) of reflecting plate 10, making exterior angle 226 is the quarter-wave of low frequency 1.7GHz wavelength to the distance (being exterior angle 226 distance over the ground) of reflecting plate 10.
Refer to Fig. 5, it has disclosed the second embodiment of the dual-polarization radiating unit 200 of antenna for base station of the present invention.In the present embodiment, the Department of Radiation 220 of dual-polarization radiating unit 200 is the V-arrangement that Open Side Down, has interior angle 225 226,Liang corners 227, ,Yi exterior angle and ridge along 228.Department of Radiation 220, in Ji Yan228 both sides hollow out, forms two and windows 229.
Refer to Fig. 6, it has disclosed the 3rd embodiment of the dual-polarization radiating unit 200 of antenna for base station of the present invention.In the present embodiment, four Departments of Radiation 230 that dual-polarization radiating unit 200 has a supporting seat 210 and extends out from this supporting seat 210.Department of Radiation 230 has Si Ge edge 231,232,233,234，Si Ge edge 231,232,233,234 forms interior angle 235 236He Liang corners, ,Yi exterior angle 237, and the ridge forming between interior angle 235He exterior angle 236 is along 238.
In the present embodiment, Department of Radiation 230 is the V-arrangement of opening upwards, it is the opening back reflection plate 10 of Department of Radiation 230, making edge 231,232 distances to reflecting plate 10 increase gradually ,Shi edge 233,234 distances to reflecting plate 10 by 237 places, interior angle 235Chu Dao corner and reduced gradually by 236 places, 237Chu Dao exterior angle, corner, is that the quarter-wave ,Shi exterior angle 226 of low frequency 1.7GHz wavelength is the quarter-wave of high frequency points 2.7GHz wavelength to the distance of reflecting plate 10 to the distance of reflecting plate 10 thereby make corner 237.
Refer to Fig. 7, it has disclosed the 4th embodiment of the dual-polarization radiating unit 200 of antenna for base station of the present invention.In the present embodiment, four Departments of Radiation 240 that dual-polarization radiating unit 200 has a supporting seat 210 and extends out from this supporting seat 210.The structural similarity of the Department of Radiation 240 of the present embodiment and the Department of Radiation 220 of the first embodiment, it has Si Ge edge 241,242,243,244, Si Ge edge 241,242,243,244 forms interior angle 245 246He Liang corners, ,Yi exterior angle 247, and the ridge forming between interior angle 245He exterior angle 246 is along 248.
，Liang corner 247 bends in opposite directions and makes the V-shaped bending structure ，Qie of Department of Radiation 240 edge 241,242,243,244 and ridge all be convex along 248 in the present embodiment.
Refer to Fig. 8, it has disclosed the 5th embodiment of the dual-polarization radiating unit 200 of antenna for base station of the present invention.In the present embodiment, four Departments of Radiation 250 that dual-polarization radiating unit 200 has a supporting seat 210 and extends out from this supporting seat 210.The structural similarity of the Department of Radiation 250 of the present embodiment and the Department of Radiation 240 of the 4th embodiment, it has Si Ge edge 251,252,253,254, Si Ge edge 251,252,253,254 forms interior angle 255 256He Liang corners, ,Yi exterior angle 257, and the ridge forming between interior angle 255He exterior angle 256 is along 258.
，Liang corner 257 bends in opposite directions and makes the V-shaped bending structure ，Qie of Department of Radiation 250 edge 251,252,253,254 and ridge all be arcs of recesses along 258 in the present embodiment.
The distance that arrives reflecting plate 10 to the distance of reflecting plate 10 with exterior angle 226,236,246,256 due to the V-shaped bending structure Er Shi of Department of Radiation 220,230,240,250 corner 227,237,247,257 of the dual-polarization radiating unit 200 of antenna for base station of the present invention is different, thereby by the adjusted size of physical height over the ground of different frequency range, realization increase bandwidth and the over the ground consistency of electric size.
Refer to Fig. 9 to Figure 11, it shows dual-polarization radiating unit first embodiment of antenna for base station of the present invention at the directional diagram of 1.7GHz frequency, 2.2GHz frequency and 2.7GHz frequency, and it has shown that the dual-polarization radiating unit of antenna for base station of the present invention has good directional characteristic.
Invention has been described for above combination most preferred embodiment, but the present invention is not limited to the embodiment of above announcement, and should contain the various modifications of carrying out according to essence of the present invention, equivalent combinations.
Claims (10)
1. a dual-polarization radiating unit, four Departments of Radiation (220 that there is a supporting seat (210) and extend out from this supporting seat (210), 230, 240, 250), each Department of Radiation (220, 230, 240, 250) there are a plurality of edges (221～224, 232～234, 242～244, 252～254), it is characterized in that: each Department of Radiation (220, 230, 240, 250) be and take the bending structure that polarised direction is broken line, make Department of Radiation (220, 230, 240, 250) corresponding edges (221～224, 232～234, 242～244, 252～254) ground level is changed.
2. dual-polarization radiating unit as claimed in claim 1, it is characterized in that: described Department of Radiation (220, 230, 240, 250) a plurality of edges (221～224, 232～234, 242～244, 252～254) be connected to form respectively interior angle (225, 235, 245, 255), exterior angle (226, , 236, 246, 256) He Liang corner (227, 237, 247, 257), form interior angle (225, 235, 245, 255) and corner (227, 237, 247, 257) edge to ground level by interior angle (225, 235, 245, 255) to corner (227, 237, 247, 257) reduce gradually, form exterior angle (226, 236, 246, 256) and corner (227, 237, 247, 257) edge to ground level by corner (227, 237, 247, 257) to exterior angle (226, 236, 246, 256) increase gradually.
3. dual-polarization radiating unit as claimed in claim 1, it is characterized in that: described Department of Radiation (220, 230, 240, 250) a plurality of edges (221～224, 232～234, 242～244, 252～254) be connected to form respectively interior angle (225, 235, 245, 255), exterior angle (226, , 236, 246, 256) He Liang corner (227, 237, 247, 257), form interior angle (225, 235, 245, 255) and corner (227, 237, 247, 257) edge to ground level by interior angle (225, 235, 245, 255) to corner (227, 237, 247, 257) increase gradually, form exterior angle (226, 236, 246, 256) and corner (227, 237, 247, 257) edge to ground level by corner (227, 237, 247, 257) to exterior angle (226, 236, 246, 256) reduce gradually.
4. the arbitrary dual-polarization radiating unit as described in claim 1～3, is characterized in that: at least a portion edge in a plurality of edges (221～224,232～234,242～244,252～254) of described Department of Radiation (220,230,240,250) is curved.
5. an antenna for base station, comprise reflecting plate (10) and be fixed on the dual-polarization radiating unit (200) on reflecting plate (10), four Departments of Radiation (220 that dual-polarization radiating unit (200) has a supporting seat (210) and extends out from this supporting seat (210), 230, 240, 250), each Department of Radiation (220, 230, 240, 250) there are a plurality of edges (221～224, 232～234, 242～244, 252～254), it is characterized in that: each Department of Radiation (220, 230, 240, 250) be and take the bending structure that polarised direction is broken line, make Department of Radiation (220, 230, 240, 250) corresponding edges (221～224, 232～234, 242～244, 252～254) distance to reflecting plate (10) changes.
6. antenna for base station as claimed in claim 5, it is characterized in that: described Department of Radiation (220, 230, 240, 250) a plurality of edges (221～224, 232～234, 242～244, 252～254) form interior angle (225, 235, 245, 255), exterior angle (226, , 236, 246, 256) He Liang corner (227, 237, 247, 257), interior angle (225, 235, 245, 255) and exterior angle (226, 236, 246, 256) between, form a ridge along (228, 238, 248, 258), described Department of Radiation (220, 230, 240, 250) on ridge edge (228, 238, 248, 258) both sides hollow out.
7. antenna for base station as claimed in claim 6, is characterized in that: described ridge is curved along (228,238,248,258).
8. antenna for base station as claimed in claim 5, it is characterized in that: described Department of Radiation (220, 230, 240, 250) a plurality of edges (221～224, 232～234, 242～244, 252～254) form interior angle (225, 235, 245, 255), exterior angle (226, , 236, 246, 256) He Liang corner (227, 237, 247, 257), form interior angle (225, 235, 245, 255) and corner (227, 237, 247, 257) edge to the distance of reflecting plate (10) by interior angle (225, 235, 245, 255) to corner (227, 237, 247, 257) reduce gradually, form exterior angle (226, 236, 246, 256) and corner (227, 237, 247, 257) edge to the distance of reflecting plate (10) by corner (227, 237, 247, 257) to exterior angle (226, 236, 246, 256) increase gradually.
9. antenna for base station as claimed in claim 5, it is characterized in that: described Department of Radiation (220, 230, 240, 250) a plurality of edges (221～224, 232～234, 242～244, 252～254) form interior angle (225, 235, 245, 255), exterior angle (226, , 236, 246, 256) He Liang corner (227, 237, 247, 257), form interior angle (225, 235, 245, 255) and corner (227, 237, 247, 257) edge to the distance of reflecting plate (10) by interior angle (225, 235, 245, 255) to corner (227, 237, 247, 257) increase gradually, form exterior angle (226, 236, 246, 256) and corner (227, 237, 247, 257) edge to the distance of reflecting plate (10) by corner (227, 237, 247, 257) to exterior angle (226, 236, 246, 256) reduce gradually.
10. the arbitrary antenna for base station as described in claim 5～9, is characterized in that: at least a portion edge in a plurality of edges (221～224,232～234,242～244,252～254) of described Department of Radiation (220,230,240,250) is curved.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210208375.8A CN103515697A (en) | 2012-06-16 | 2012-06-16 | Broadband high-performance dual-polarized radiation unit and base station antenna |
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| CN201210208375.8A CN103515697A (en) | 2012-06-16 | 2012-06-16 | Broadband high-performance dual-polarized radiation unit and base station antenna |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105514613A (en) * | 2015-08-20 | 2016-04-20 | 广东通宇通讯股份有限公司 | Ultra-wideband dual-polarized antenna oscillator |
| CN109713441A (en) * | 2018-12-29 | 2019-05-03 | 瑞声精密制造科技(常州)有限公司 | A kind of antenna element and array antenna |
| CN110011041A (en) * | 2019-03-22 | 2019-07-12 | 深圳大学 | Novel mobile communication base station antenna device based on 3D medium printing |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2062331A1 (en) * | 2006-09-11 | 2009-05-27 | KMW Inc. | Dual-band dual-polarized base station antenna for mobile communication |
| CN201435451Y (en) * | 2009-04-24 | 2010-03-31 | 武汉虹信通信技术有限责任公司 | Broadband dual-polarized antenna element with high isolation and cross-polarization ratio |
| CN202737093U (en) * | 2012-06-14 | 2013-02-13 | 广东晖速通信技术有限公司 | Broad-band high-performance dual-polarization radiation unit and base station antenna |
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2012
- 2012-06-16 CN CN201210208375.8A patent/CN103515697A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2062331A1 (en) * | 2006-09-11 | 2009-05-27 | KMW Inc. | Dual-band dual-polarized base station antenna for mobile communication |
| CN201435451Y (en) * | 2009-04-24 | 2010-03-31 | 武汉虹信通信技术有限责任公司 | Broadband dual-polarized antenna element with high isolation and cross-polarization ratio |
| CN202737093U (en) * | 2012-06-14 | 2013-02-13 | 广东晖速通信技术有限公司 | Broad-band high-performance dual-polarization radiation unit and base station antenna |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105514613A (en) * | 2015-08-20 | 2016-04-20 | 广东通宇通讯股份有限公司 | Ultra-wideband dual-polarized antenna oscillator |
| WO2017028379A1 (en) * | 2015-08-20 | 2017-02-23 | 广东通宇通讯股份有限公司 | Ultra-wideband dual-polarized antenna and ultra-wideband dual-polarized antenna oscillator |
| CN109713441A (en) * | 2018-12-29 | 2019-05-03 | 瑞声精密制造科技(常州)有限公司 | A kind of antenna element and array antenna |
| CN110011041A (en) * | 2019-03-22 | 2019-07-12 | 深圳大学 | Novel mobile communication base station antenna device based on 3D medium printing |
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Application publication date: 20140115 |