CN201430217Y - Coaxial dual-frequency bipolarization base station antenna - Google Patents
Coaxial dual-frequency bipolarization base station antenna Download PDFInfo
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- CN201430217Y CN201430217Y CN2009200570300U CN200920057030U CN201430217Y CN 201430217 Y CN201430217 Y CN 201430217Y CN 2009200570300 U CN2009200570300 U CN 2009200570300U CN 200920057030 U CN200920057030 U CN 200920057030U CN 201430217 Y CN201430217 Y CN 201430217Y
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Abstract
The utility model relates to a coaxial dual-frequency bipolarization antenna which comprises low-frequency radiation unit arrays, high-frequency radiation unit arrays and a reflecting plate. The low-frequency radiation unit arrays and the high-frequency radiation unit arrays are arranged on the reflecting plate, and are respectively composed of two or more low-frequency radiation units and high-frequency radiation units. The two or more high-frequency radiation units and low-frequency radiation units are arranged on the same shaft line, the distance among each group of high-frequency radiationunits is equal, and the distance among each group of low-frequency radiation unit arrays is equal. The coaxial dual-frequency bipolarization base station antenna has the advantages of reasonable as well as compact layout, good isolating performance between high and low frequency, no offset in a directional diagram and the like.
Description
[technical field]
The utility model belongs to the antenna of mobile communication base station technical field, relates in particular to a kind of coaxial dual-band and dual-polarization antenna for base station.
[background technology]
Along with the fast development of wireless communications market, two kinds of demands that work in the radio communication standard common antenna of different frequency range have been proposed, thus the design that has produced dual-band dual-polarized antenna.Compare with traditional single-band antenna, dual-band dual-polarized antenna has the antenna amount of minimizing, saves capital expenditure, the site is required advantages such as low, so obtained using widely.The double frequency antenna for base station can be realized by shared radiating element, but in order to realize independently angle of declination design, generally require to adopt between each frequency range independently feeding network; Then need at each radiating element be provided with filtering and power splitter spare if adopt shared radiating element this moment, the cost of antenna increased, but also increase aerial loss, thereby reduce radiation efficiency.Therefore, adopting independent radiating doublet and independent power feeding network, is independent array between two frequency ranges promptly, becomes the main flow scheme of dual-band dual-polarized antenna design.
Existing following two kinds of technical schemes realize independent array:
The one, adopt array way side by side, the scheme disclosed as China Patent No. ZL 200520125370.4 and China Patent No. ZL 200720121185.7, high frequency radiation cell array and low frequency radiation cell array be layout side by side, there is intrinsic asymmetry in the horizontal radiation pattern of this kind design, be difficult to correct, and antenna size is bigger than normal;
Another kind of then coaxial design that adopt for the utility model, the scheme disclosed as China Patent No. ZL200620005795.6, it is stacked up and down to be about to high frequency radiation unit and low frequency radiation unit, there is following problem in such design: at first adjacent high frequency oscillator makes the secondary lobe of array be difficult to suppress not at sustained height; Secondly the alien frequencies isolation is often not good; Be that antenna thickness is generally bigger at last.China Patent No. ZL 200720058937.X has disclosed the coaxial design of inlaying mutually between another low-and high-frequency, disclosed low frequency radiation unit also is to adopt four dipoles to form the rhombus array, but the angle of inclination of four dipoles is just opposite with the angle that the utility model is adopted, the former four dipoles tilt to the opposite direction of the geometric center of rhombus respectively, and the high frequency oscillator is mounted to the center of low frequency oscillator circular arc.The largest benefit of this design is the cost that has reduced the design of low frequency radiation unit integral, but because the very close high frequency radiation of the support section unit of low frequency radiation unit, make between the height unit and produce significant mutual coupling effect, and because the base of low frequency radiation unit is less, can't add quoit as the utility model and regulate half-power angle, so overall electrical property deviation.
The utility model just is being based on above-mentioned background, proposes a kind of novel compact antenna for base station of coaxial layout, can effectively overcome the deficiency of above-mentioned design.
[utility model content]
The purpose of this utility model is: the dual-band and dual-polarization antenna for base station that a kind of coaxial layout is provided, by designs such as coaxial and more rational layouts, solve the ubiquitous directional diagram skew of prior art and be difficult to correction, the antenna size broad, the array secondary lobe is difficult to suppress, defectives such as the alien frequencies isolation is not enough, and antenna thickness is bigger realize that a kind of horizontal radiation pattern does not have skew, compact conformation and the overall superior dual-band and dual-polarization antenna for base station of electrical performance indexes.
The technical scheme that the utility model adopted is:
A kind of coaxial dual-band and dual-polarization antenna for base station, comprise low frequency radiation cell array, high frequency radiation cell array and reflecting plate, low frequency radiation cell array and high frequency radiation cell array are located on the reflecting plate, described low frequency radiation cell array and high frequency radiation cell array are made up of two or more low frequency radiations unit and high frequency radiation unit respectively, two or more high frequency radiations unit and low frequency radiation unit are located on the same axis, spacing equates between each high frequency radiation unit, and spacing equates between each low frequency radiation cell array.
The advantage of the relative prior art of the utility model is: by adopting the coaxial design of low-and high-frequency radiating element, form separate radiating curtain, make antenna arrangement more reasonable, compact, reduced the radiation mutual coupling effect between the low-and high-frequency simultaneously, make that the isolation performance between the low-and high-frequency is good.
As the improvement of technique scheme, further technical scheme of the present utility model is as follows:
Above-mentioned low frequency radiation unit is made up of 4 half-wave dipoles, each half-wave dipole tilts to reflecting plate by identical predetermined angular, the arrangement that assumes diamond in shape of 4 relative reflecting plates of half-wave dipole, each half-wave dipole are all tilted or perpendicular to reflecting plate to the geometric center of the rhombus that forms with respect to reflecting plate.
The angle that the relative reflecting plate of 4 half-wave dipoles of above-mentioned low frequency radiation unit tilts is between 60 to 90 degree.
By above improvement, make antenna arrangement more reasonable, the angle of inclination is easy to control, and has excellent more performance index.
The geometric center of low frequency radiation unit and the geometric center of two adjacent low frequency radiation unit are located in above-mentioned high frequency radiation unit.
Also be provided with a high frequency radiation unit on the extended line of above-mentioned low frequency radiation cell array separately.
The above-mentioned high frequency radiation cell array and the axis of low frequency radiation cell array are positioned on the axis of reflecting plate.
The side of above-mentioned reflecting plate is provided with the some groups of chimbs with respect to reflecting plate axis symmetry, and the line of each group chimb mid point just passes through the geometric center of low frequency radiation unit.
By the position of low-and high-frequency radiating element is done as above to improve, realized that directional diagram does not have skew, the good and compact conformation of isolation performance.
Be provided with quoit between above-mentioned low frequency radiation unit and the high frequency radiation unit, the geometric center of quoit, high frequency radiation unit and low frequency radiation unit overlaps.
The radius of above-mentioned quoit can be all identical, also can regulate half-power angle by the radius that changes the individual metals circle neatly according to the horizontal plane half-power angle situation of array.
By between low frequency radiation unit and high frequency radiation unit, adding quoit, can also offset the interference between the low-and high-frequency, further improve isolation performance.
4 half-wave dipoles of above-mentioned low frequency radiation unit or metal oscillator, or dielectric printing oscillator.
The technical solution of the utility model to the oscillator type of low frequency radiation unit without limits, metal oscillator and dielectric printing oscillator all can, further increased range of application of the present utility model, and execution mode is more flexible, can select performance best, and the execution mode of realizing easily is applied.
[description of drawings]
Fig. 1 is the utility model overall structure schematic diagram;
Fig. 2 is the front view of the specific embodiment in high frequency radiation of the present utility model unit;
Fig. 3 is the vertical view of the specific embodiment in high frequency radiation of the present utility model unit;
Fig. 4 is the connection diagram of low frequency radiation of the present utility model unit;
Fig. 5 is the whole vertical view of low frequency radiation of the present utility model unit;
Fig. 6 is the front view of low frequency radiation unit mount pad;
Fig. 7 is the vertical view of low frequency radiation unit mount pad;
Fig. 8 is the quoit vertical view of an embodiment of the utility model;
Fig. 9 is the part-structure schematic diagram of an embodiment of the utility model;
Figure 10 is low frequency radiation unit and reflecting plate inclination angle schematic diagram;
Figure 11 is the High-frequency water plane pattern;
Figure 12 is the low frequency horizontal radiation pattern.
[embodiment]
For making technical problem to be solved in the utility model and technical scheme clearer, embodiment of the present utility model is described in further detail below in conjunction with accompanying drawing.
Fig. 1 is the overall structure schematic diagram of a specific embodiment of the utility model, as can be seen from the figure the utility model comprises that low frequency radiation unit 2, high frequency radiation unit 3, reflecting plate 1 and 4, ten high frequency radiation unit of quoit, 3 composition high frequency radiation arrays are fixed on the longitudinal central axis line of reflecting plate 1; Five low frequency radiation unit 2 composition low frequency radiation cell arrays are fixed on the same axis of reflecting plate 1 and high frequency radiation cell array homonymy.High frequency radiation unit 3 is fixed on the geometric center of low frequency radiation unit 2 and the geometric center of two adjacent low frequency radiation unit 2, also is provided with a high frequency radiation unit 3-1 on the extended line of low frequency radiation cell array 2 separately.Quoit 4 is fixed between low frequency radiation unit and the high frequency radiation unit, and the geometric center of quoit 4, high frequency radiation unit 3 and low frequency radiation unit 2 overlaps.
Fig. 2 is to a kind of preferred embodiment that Figure 3 shows that high frequency radiation unit 3: high frequency radiation unit 3 comprises that aluminum half-wave dipole 31, copper feed butt strip 32, aluminum guide annulus 33 and annulus pillar 34 into.Wherein, half-wave dipole 31 utilizes screw to be fastened on the reflecting plate 1, guide into annulus 33 by pillar 34 and screw on half-wave dipole 31; Cable passes half- wave dipole 31 and 32 welding of feed butt strip, realizes feed.
Fig. 4 is to a kind of preferred embodiment that Figure 7 shows that the low frequency radiation unit: low frequency radiation unit 2 comprises four single polarization dielectric printing dipoles 21, mount pad 22 and dielectric rings 23.Each single polarization dielectric printing dipole 21 all tilts to reflecting plate by identical predetermined angular, shape assumes diamond in shape, in the present embodiment, the angle of single polarization dielectric printing oscillator 21 and reflecting plate 1 is preferably 60 degree between 90 degree, and utilize dielectric ring 23 to realize the location, avoid the mutual displacement of oscillator and the change of reflecting plate angle relatively.Feed seat 22 and screw are fastened on the reflecting plate 1; Cable passes feed seat 22 and printing vibrator 21 welding, realizes feed.
Fig. 9 is the part stereogram of present embodiment, as can be seen from the figure, the side of reflecting plate 1 is provided with the some groups of lugs 5 with respect to reflecting plate axis symmetry, and the line of each group lug 5 mid point is just by the geometric center of low frequency radiation unit, and its effect is effectively to regulate the low frequency isolation degree.Compare with the mode of subarray side by side that low-and high-frequency is not coaxial, adopt design of the present utility model obviously to have compact conformation, the advantage that the external form volume is little.
Because the utility model has adopted dissimilar oscillators respectively as the low-and high-frequency radiating element, and rationally is provided with the position of antenna radiation unit, therefore significantly reduced the radiation degree of coupling between the low-and high-frequency, make that the isolation performance between the low-and high-frequency is good.
In addition, the annular gap place of the utility model between low frequency radiation unit 2 and high frequency radiation unit 3 is provided with quoit 4, a kind of preferred embodiment that is quoit shown in Figure 8.It is fastened on the reflecting plate 1 by screw, in order to offset the interference between the low-and high-frequency, the horizontal plane half-power angle of adjustment high frequency.
Figure 11 and Figure 12 are respectively the test water plane directional diagrams of high frequency and low frequency, and as can be seen from the results, directional diagram has preferable symmetry.
The above only is a preferred embodiment of the present utility model, and any modification, replacement, optimization within the utility model principle etc. all should be included within the protection range of the present utility model.
Claims (10)
1, a kind of coaxial dual-band and dual-polarization antenna for base station, comprise the low frequency radiation cell array, high frequency radiation cell array and reflecting plate, low frequency radiation cell array and high frequency radiation cell array are located on the reflecting plate respectively, it is characterized in that: described low frequency radiation cell array and high frequency radiation cell array are made up of two or more low frequency radiations unit and high frequency radiation unit respectively, two or more high frequency radiations unit and low frequency radiation unit are located on the same axis, spacing equates between each high frequency radiation unit, and spacing equates between each low frequency radiation cell array.
2, a kind of coaxial dual-band and dual-polarization antenna for base station according to claim 1, it is characterized in that: described low frequency radiation unit is made up of 4 half-wave dipoles, each half-wave dipole tilts to reflecting plate by identical predetermined angular, the arrangement that assumes diamond in shape of 4 relative reflecting plates of half-wave dipole, each half-wave dipole are all tilted or perpendicular to reflecting plate to the geometric center of the rhombus that forms with respect to reflecting plate.
3, a kind of coaxial dual-band and dual-polarization antenna for base station according to claim 2 is characterized in that: the angle that the relative reflecting plate of 4 half-wave dipoles of described low frequency radiation unit tilts is between 60 to 90 degree.
4, a kind of coaxial dual-band and dual-polarization antenna for base station according to claim 3 is characterized in that: the geometric center of low frequency radiation unit and the geometric center of two adjacent low frequency radiation unit are located in described high frequency radiation unit.
5, a kind of coaxial dual-band and dual-polarization antenna for base station according to claim 4 is characterized in that: also be provided with a high frequency radiation unit on the extended line of described low frequency radiation cell array separately.
6, a kind of coaxial dual-band and dual-polarization antenna for base station according to claim 4, it is characterized in that: the axis of described high frequency radiation cell array and low frequency radiation cell array is positioned on the axis of reflecting plate.
7, a kind of coaxial dual-band and dual-polarization antenna for base station according to claim 6, it is characterized in that: the side of described reflecting plate is provided with the some groups of lugs with respect to reflecting plate axis symmetry, and the line of each group lug mid point just passes through the geometric center of low frequency radiation unit.
8, a kind of coaxial dual-band and dual-polarization antenna for base station according to claim 4 is characterized in that: be provided with quoit between described low frequency radiation unit and the high frequency radiation unit, the geometric center of quoit, high frequency radiation unit and low frequency radiation unit overlaps.
9, a kind of coaxial dual-band and dual-polarization antenna for base station according to claim 8, it is characterized in that: described metal figure radius is identical.
10, according to the described a kind of coaxial dual-band and dual-polarization antenna for base station of one of claim 1-9, it is characterized in that: 4 half-wave dipoles of described low frequency radiation unit or metal oscillator, or dielectric printing oscillator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200570300U CN201430217Y (en) | 2009-05-16 | 2009-05-16 | Coaxial dual-frequency bipolarization base station antenna |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200570300U CN201430217Y (en) | 2009-05-16 | 2009-05-16 | Coaxial dual-frequency bipolarization base station antenna |
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| CN201430217Y true CN201430217Y (en) | 2010-03-24 |
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| CN2009200570300U Expired - Lifetime CN201430217Y (en) | 2009-05-16 | 2009-05-16 | Coaxial dual-frequency bipolarization base station antenna |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102157780A (en) * | 2011-01-30 | 2011-08-17 | 广东通宇通讯股份有限公司 | Multi-standard antenna |
| CN102403572A (en) * | 2011-12-13 | 2012-04-04 | 华南理工大学 | Wideband double frequency mobile communication base station antenna |
| CN102868017A (en) * | 2012-08-31 | 2013-01-09 | 广东通宇通讯股份有限公司 | Radiation device and array antenna based on same |
| CN102916262A (en) * | 2011-08-04 | 2013-02-06 | 中国电信股份有限公司 | Multimode antenna and base station |
| CN103036073A (en) * | 2013-01-05 | 2013-04-10 | 广东通宇通讯股份有限公司 | Dual-frequency dual-polarized antenna |
| CN103066399A (en) * | 2012-12-18 | 2013-04-24 | 张家港保税区国信通信有限公司 | Nested circular ring type dual polarization radiating element |
| CN103181028A (en) * | 2010-10-27 | 2013-06-26 | 阿尔卡特朗讯 | Dual polarized radiating dipole antenna |
| CN103794882A (en) * | 2013-03-28 | 2014-05-14 | 深圳光启创新技术有限公司 | Antenna |
| CN104300209A (en) * | 2014-09-05 | 2015-01-21 | 江苏省东方世纪网络信息有限公司 | Vertical polarization ceiling omni antenna |
| CN104393423A (en) * | 2014-11-20 | 2015-03-04 | 武汉虹信通信技术有限责任公司 | LTE (Long Term Evolution) frequency band multi-antenna-array gain compensation method |
| CN104466362A (en) * | 2014-12-12 | 2015-03-25 | 浙江佳源通讯技术有限公司 | High-gain multi-frequency-band high-speed railway coverage planar antenna |
| CN105609921A (en) * | 2015-11-17 | 2016-05-25 | 西安电子科技大学 | Small high and low frequency coaxial dual-polarized base station antenna unit |
| CN107968253A (en) * | 2017-12-21 | 2018-04-27 | 京信通信系统（中国）有限公司 | Mimo antenna system, aerial array and its low frequency radiating element |
| CN107978838A (en) * | 2017-11-23 | 2018-05-01 | 广东通宇通讯股份有限公司 | Antenna for base station and the coaxial mounting platform of low-and high-frequency oscillator |
| CN110444909A (en) * | 2019-09-02 | 2019-11-12 | 江苏泰科微通讯科技有限公司 | An a kind of low high multiport antenna for base station |
| CN110611173A (en) * | 2013-09-09 | 2019-12-24 | 康普北卡罗来纳州公司 | Base station antenna with lens |
| CN110718751A (en) * | 2019-11-19 | 2020-01-21 | 昆山瀚德通信科技有限公司 | Broadband antenna and network equipment |
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2009
- 2009-05-16 CN CN2009200570300U patent/CN201430217Y/en not_active Expired - Lifetime
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| CN103181028A (en) * | 2010-10-27 | 2013-06-26 | 阿尔卡特朗讯 | Dual polarized radiating dipole antenna |
| CN102157780B (en) * | 2011-01-30 | 2015-03-11 | 广东通宇通讯股份有限公司 | Multi-standard antenna |
| CN102157780A (en) * | 2011-01-30 | 2011-08-17 | 广东通宇通讯股份有限公司 | Multi-standard antenna |
| US9472861B2 (en) | 2011-08-04 | 2016-10-18 | China Telecom Corporation Limited | Multi-mode antenna and base station |
| CN102916262A (en) * | 2011-08-04 | 2013-02-06 | 中国电信股份有限公司 | Multimode antenna and base station |
| WO2013017104A1 (en) * | 2011-08-04 | 2013-02-07 | 中国电信股份有限公司 | Multi-mode antenna and base station |
| CN102916262B (en) * | 2011-08-04 | 2015-03-04 | 中国电信股份有限公司 | Multimode antenna and base station |
| CN102403572A (en) * | 2011-12-13 | 2012-04-04 | 华南理工大学 | Wideband double frequency mobile communication base station antenna |
| CN102403572B (en) * | 2011-12-13 | 2013-09-25 | 华南理工大学 | Wideband double frequency mobile communication base station antenna |
| CN102868017A (en) * | 2012-08-31 | 2013-01-09 | 广东通宇通讯股份有限公司 | Radiation device and array antenna based on same |
| CN103066399A (en) * | 2012-12-18 | 2013-04-24 | 张家港保税区国信通信有限公司 | Nested circular ring type dual polarization radiating element |
| CN103036073A (en) * | 2013-01-05 | 2013-04-10 | 广东通宇通讯股份有限公司 | Dual-frequency dual-polarized antenna |
| CN103794882A (en) * | 2013-03-28 | 2014-05-14 | 深圳光启创新技术有限公司 | Antenna |
| US11799209B2 (en) | 2013-09-09 | 2023-10-24 | Commscope Inc. Of North Carolina | Lensed base station antennas |
| CN110611173A (en) * | 2013-09-09 | 2019-12-24 | 康普北卡罗来纳州公司 | Base station antenna with lens |
| CN110611173B (en) * | 2013-09-09 | 2021-11-12 | 康普北卡罗来纳州公司 | Base station antenna with lens |
| US10897089B2 (en) | 2013-09-09 | 2021-01-19 | Commscope, Inc. Of North Carolina | Lensed base station antennas |
| CN104300209A (en) * | 2014-09-05 | 2015-01-21 | 江苏省东方世纪网络信息有限公司 | Vertical polarization ceiling omni antenna |
| CN104300209B (en) * | 2014-09-05 | 2021-09-07 | 江苏省东方世纪网络信息有限公司 | Vertical polarization ceiling omnidirectional antenna |
| CN104393423A (en) * | 2014-11-20 | 2015-03-04 | 武汉虹信通信技术有限责任公司 | LTE (Long Term Evolution) frequency band multi-antenna-array gain compensation method |
| CN104466362A (en) * | 2014-12-12 | 2015-03-25 | 浙江佳源通讯技术有限公司 | High-gain multi-frequency-band high-speed railway coverage planar antenna |
| CN105609921A (en) * | 2015-11-17 | 2016-05-25 | 西安电子科技大学 | Small high and low frequency coaxial dual-polarized base station antenna unit |
| CN107978838A (en) * | 2017-11-23 | 2018-05-01 | 广东通宇通讯股份有限公司 | Antenna for base station and the coaxial mounting platform of low-and high-frequency oscillator |
| CN107968253A (en) * | 2017-12-21 | 2018-04-27 | 京信通信系统（中国）有限公司 | Mimo antenna system, aerial array and its low frequency radiating element |
| CN107968253B (en) * | 2017-12-21 | 2023-11-24 | 京信通信技术(广州)有限公司 | MIMO antenna system, antenna array and low frequency radiating element thereof |
| CN110444909A (en) * | 2019-09-02 | 2019-11-12 | 江苏泰科微通讯科技有限公司 | An a kind of low high multiport antenna for base station |
| CN110444909B (en) * | 2019-09-02 | 2024-08-06 | 江苏泰科微通讯科技有限公司 | Low-high multiport base station antenna |
| CN110718751A (en) * | 2019-11-19 | 2020-01-21 | 昆山瀚德通信科技有限公司 | Broadband antenna and network equipment |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: GUANGDONG TONGYU COMMUNICATIONS CO., LTD. Free format text: FORMER NAME: GUANGDONG TONGYU COMMUNICATION EQUIPMENT CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 528437 Torch Road 9, Torch Development Zone, Guangdong, Zhongshan, -1 Patentee after: Guangdong Tongyu Communications Co., Ltd. Address before: 528437 Torch Road 9, Torch Development Zone, Guangdong, Zhongshan, -1 Patentee before: Guangdong Tongyu Communication Equipment Co., Ltd. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100324 |