CN103700923A - High-gain dual-frequency base station antenna - Google Patents
High-gain dual-frequency base station antenna Download PDFInfo
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- CN103700923A CN103700923A CN201310610313.4A CN201310610313A CN103700923A CN 103700923 A CN103700923 A CN 103700923A CN 201310610313 A CN201310610313 A CN 201310610313A CN 103700923 A CN103700923 A CN 103700923A
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Abstract
The invention relates to a high-gain dual-frequency base station antenna. The high-gain dual-frequency base station antenna is characterized by comprising a metal floor (1), a vertical radiation patch (2), a horizontal radiation patch (3) and a coupling feeder line (4), wherein the vertical radiation patch (2) is vertically fixed on the metal floor (1); the top end of the vertical radiation patch (2) is vertically connected with the horizontal radiation patch (3); one end of the coupling feeder line (4) is connected with an SMA head penetrating through a floor hole (5); a first part (6) of the coupling feeder line and the adjacent vertical radiation patch (2) form microstrip line feed; a second part (7) of the coupling feeder line is parallel to and is as high as the horizontal radiation patch (3); and the top end of a third part (8) of the coupling feeder line is connected with the second part (7) of the coupling feeder line to finish antenna feed. The high-gain dual-frequency base station antenna is high in gain and simple in structure, has different frequency points and can meet the requirement for large-capacity multiband wireless communication.
Description
Technical field
The invention belongs to wireless communication technology field, relate to a kind of high-gain double frequency antenna for base station.
Background technology
In recent years, along with radio communication especially WLAN (wireless local area network) (WLAN) and worldwide interoperability for microwave access developing rapidly of (WIMAX), design simultaneous adaptation becomes one of focus of current Antenna Design in the dual-band antenna of WLAN2.4GHz and WIMAX3.5GHz.Therefore, require antenna to have two-band, coupling is good, high-gain and the feature such as simple in structure.The form of dual-band antenna is a lot of at present, as number of patent application is: 201310122359.1, patent name is that the Chinese patent of a < < double frequency high-gain coaxial feed paster antenna > > has just proposed a kind of 2.45GHz and 5.8GHz high-gain aerial of simultaneously working in, mainly comprise a rectangle thin layer metal patch, two coating of metal ground plate and EBG. antenna has been realized at 2.40GHz-2.483GHz highest-gain 10dB, 5.725GHz-5.875GHz highest-gain 8dB.But adopt EBG structure when improving gain, to make antenna structure become complicated.Number of patent application and for example: 200610117043.3, patent name is the Chinese patent of < < omnibearing/directive directional diagram reconstructable high-gain double frequency antenna > >, according to monopole antenna character, utilize the coupling between monopole to realize dual frequency characteristics, and reach the object of widening frequency band.Utilize longitudinal array structure to improve the gain of antenna simultaneously, while realizing directed radiation, gain is at the average gain 7.78dBi at 2.45GHz place, 5.25GHz place average gain is 12.52dBi, average gain at 2.45GHz place during omnidirectional radiation is 6.32dBi, and the average gain at 5.25GHz place is 9.73dBi.Yet because array antenna need to design suitable feeding network, this has improved design difficulty and the cost of manufacture of antenna undoubtedly.For another example document " Microstrip line-fed modified sierpinki fractal monopole antenna for dual-wideband applications, Choukiker, Yogesh Kumar, Behera, S.K.IEEE International Conference on Communication Control and Computing Technologies, ICCCCT2010, p 17-20, 2010 " in, utilize the self-similarity of fractal structure to realize at 1.47GHz-2.7GHz, 4.991GHz-5.4GHz work dual-band antenna, yet the gain of 3-5dBi can not meet the high-gain requirement of antenna for base station.
Summary of the invention
The object of the invention is to the deficiency existing for above-mentioned prior art, a kind of high, simple in structure, can to realize different frequent points high-gain double frequency antenna for base station that gains is provided, can meet large capacity multi-band wireless communication.
The present invention realizes above-mentioned purpose technical scheme: high-gain double frequency antenna for base station, it is characterized in that: comprising: metal floor, vertical radiation paster, horizontal radiation paster and coupling feed, vertical radiation paster is vertically fixed on metal floor, and top is connected with the vertical of horizontal radiation paster; One end of coupling feed is connected with the SMA head through floor hole, the first of coupling feed and adjacent vertical radiation paster form feed microstrip line, the second portion of coupling feed is parallel to horizontal radiation paster contour with it, the third part top of coupling feed is connected with the second portion of coupling feed, completes the feed of antenna.
Described horizontal radiation paster comprises two groups of symmetrical U-shaped chip units, U-shaped chip unit consists of 3 U-shaped pasters respectively, size is little and structure is identical for wherein two of 3 U-shaped pasters, another size is large, opening direction is same direction, and U-shaped mouthful of large U type paster is connected with two undersized U-shaped paster top frame beam centers; Parallel splitting between the large U type paster top frame beam of two groups of U-shaped chip units, each large U type paster top frame beam is supported by vertical radiation paster; The center that vertical radiation paster is split at two groups of U-shaped chip units.
The U-shaped paster that described U-shaped chip unit is connected with vertical radiation paster is realized the work of a frequency, and two U-shaped pasters at its two ends are realized the work of another frequency, and the size by the U-shaped paster of adjusting size realizes frequency adjustability.
The width adjusting of described vertical radiation paster, makes operating frequency of antenna adjustable.
Described coupling feed is bent into Γ shape by rectangular metal sheet through twice, be divided into three parts: first and the antenna of coupling feed are contour, perpendicular to floor, be connected with the coaxial line inner core through perforated tiles, form feed microstrip line with adjacent vertical radiation paster, electromagnetic energy is coupled to the second portion of coupling feed; The second portion of coupling feed is parallel to floor, and the first top of butt coupling feeder line and the third part of coupling feed realize Energy Coupling to horizontal radiation paster and vertical radiation paster.
Described metal floor is square metal sheet, and floor central openings is convenient to coaxial line inner core through being connected with coupling feed, and floor is connected with the outer core of coaxial line.
Compared with prior art, tool of the present invention has the following advantages:
1, the coupling feed that the present invention adopts consists of one section of metal patch of amounting to forming Γ-shape shape, and it forms microstrip line with vertical paster, can better realize impedance matching.
2, the metal floor that the present invention adopts has reduced the gain that the back lobe radiation of antenna has improved antenna, has realized good performance.
3, the antenna material that the present invention adopts is metallic conductor, and without adding medium, or new material has just been realized the high-gain design of antenna.
4, the present invention adopts self-similar structure to realize two-frequency operation, than fractal structure, can have frequency adjustability by regulating the size of U-shaped structure to change antenna performance, meets different application situation.
5, the antenna material that the present invention adopts is metallic conductor, makes antenna easy to process, and cost is low, cheap, is convenient to produce.
Accompanying drawing explanation
Below in conjunction with embodiment and accompanying drawing, the present invention is described further:
Fig. 1 is the structure diagonal view of the embodiment of the present invention;
Fig. 2 is the structure vertical view of the embodiment of the present invention;
Fig. 3 is the structure side view of the embodiment of the present invention;
Fig. 4 is the emulation and measurement S11 of the embodiment of the present invention;
Fig. 5 is that the embodiment of the present invention is at the emulation antenna pattern of 2.4GHz;
Fig. 6 is that the embodiment of the present invention is at the emulation antenna pattern of 3.5GHz.
In figure, 1, metal floor; 2, vertical radiation paster; 3, horizontal radiation paster; 4, coupling feed; 5, floor hole; 6, the first of coupling feed; 7, the second portion of coupling feed; 8, the third part of coupling feed.
specific implementation method
Referring to Fig. 1, Fig. 2 and Fig. 3, high-gain double frequency antenna for base station, comprising: metal floor 1, vertical radiation paster 2, horizontal radiation paster 3 and coupling feed 4, vertical radiation paster 2 is vertically fixed on metal floor 1, and top is connected with the vertical of horizontal radiation paster 3; One end of coupling feed 4 is connected with the SMA head through floor hole 5, the first 6 of coupling feed forms feed microstrip line with adjacent vertical radiation paster 2, the second portion 7 of coupling feed is parallel to horizontal radiation paster 3 contour with it, third part 8 tops of coupling feed are connected with the second portion 7 of coupling feed, complete the feed of antenna.
The U-shaped paster that described U-shaped chip unit is connected with vertical radiation paster is realized the work of a frequency, and two U-shaped pasters at its two ends are realized the work of another frequency, and the size by the U-shaped paster of adjusting size realizes frequency adjustability.As larger-size U-shaped paster is operated in 3.5GHz, the U-shaped paster groundwork 2.4GHz that size is less.Size by the U-shaped paster of adjusting size realizes frequency adjustability.
The width adjusting of described vertical radiation paster 2, makes operating frequency of antenna adjustable.
Described coupling feed 4 is bent into Γ shape by rectangular metal sheet through twice, be divided into three parts: first 6 and the antenna contour (the top plane of horizontal radiation paster 3) of coupling feed, perpendicular to floor, be connected with the coaxial line inner core through perforated tiles, form feed microstrip line with adjacent vertical radiation paster, electromagnetic energy is coupled to the second portion 7 of coupling feed; The second portion 7 of coupling feed is parallel to floor, and first 6 tops of butt coupling feeder line and the third part 8 of coupling feed realize Energy Coupling to horizontal radiation paster and vertical radiation paster.
Described metal floor is square metal sheet, and floor central openings is convenient to coaxial line inner core through being connected with coupling feed, and floor is connected with the outer core of coaxial line.
By pair of parallel, the horizontal paster in metal floor forms with a pair of vertical paster perpendicular to metal floor radiation patch of the present invention, utilizes the self-similarity nature of fractal antenna to realize double frequency design, the working frequency points corresponding to disparate modules of analog structure.
Referring to Fig. 4, the high-gain dual-band antenna in the present embodiment, the U-shaped structure of self similarity has formed two working frequency range that are positioned at 2.3GHz-2.46 GHz and 3.33 GHz-3.73 GHz, maximum gain is respectively 9.5dBi(Fig. 5) and 13.0dBi(Fig. 6).
The parts that the present embodiment does not describe in detail and structure belong to well-known components and common structure or the conventional means of the industry, here not narration one by one.
Claims (6)
1. a high-gain double frequency antenna for base station, it is characterized in that: comprising: metal floor (1), vertical radiation paster (2), horizontal radiation paster (3) and coupling feed (4), it is upper that vertical radiation paster (2) is vertically fixed on metal floor (1), vertical being connected of top and horizontal radiation paster (3); One end of coupling feed (4) is connected with the SMA head through floor hole (5), the first of coupling feed (6) forms feed microstrip line with adjacent vertical radiation paster (2), the second portion of coupling feed (7) is parallel to horizontal radiation paster (3) contour with it, the third part of coupling feed (8) top is connected with the second portion (7) of coupling feed, completes the feed of antenna.
2. high-gain double frequency antenna for base station according to claim 1, it is characterized in that: described horizontal radiation paster (3) comprises two groups of symmetrical U-shaped chip units, U-shaped chip unit consists of 3 U-shaped pasters respectively, size is little and structure is identical for wherein two of 3 U-shaped pasters, another size is large, opening direction is same direction, and U-shaped mouthful of large U type paster is connected with two undersized U-shaped paster top frame beam centers; Parallel splitting between the large U type paster top frame beam of two groups of U-shaped chip units, each large U type paster top frame beam is supported by vertical radiation paster (2); The center that vertical radiation paster (2) is split at two groups of U-shaped chip units.
3. high-gain double frequency antenna for base station according to claim 2, it is characterized in that: the U-shaped paster that described U-shaped chip unit is connected with vertical radiation paster is realized the work of a frequency, two U-shaped pasters at its two ends are realized the work of another frequency, and the size by the U-shaped paster of adjusting size realizes frequency adjustability.
4. high-gain double frequency antenna for base station according to claim 1, is characterized in that: the width adjusting of described vertical radiation paster (2), makes operating frequency of antenna adjustable.
5. high-gain double frequency antenna for base station according to claim 1, it is characterized in that: described coupling feed (4) is bent into Γ shape by rectangular metal sheet through twice, be divided into three parts: the first of coupling feed (6) is contour with antenna, perpendicular to floor, be connected with the coaxial line inner core through perforated tiles, form feed microstrip line with adjacent vertical radiation paster, electromagnetic energy is coupled to the second portion (7) of coupling feed; The second portion of coupling feed (7) is parallel to floor, and the third part (8) of the first of butt coupling feeder line (6) top and coupling feed realizes Energy Coupling to horizontal radiation paster and vertical radiation paster.
6. high-gain double frequency antenna for base station according to claim 1, is characterized in that: described metal floor (1) is square metal sheet, and floor central openings is convenient to coaxial line inner core through being connected with coupling feed, and floor is connected with the outer core of coaxial line.
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| CN201310610313.4A CN103700923B (en) | 2013-11-27 | 2013-11-27 | A kind of High-gain dual-frequency base station antenna |
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| CN201310610313.4A CN103700923B (en) | 2013-11-27 | 2013-11-27 | A kind of High-gain dual-frequency base station antenna |
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| CN103700923B CN103700923B (en) | 2015-11-04 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104078751A (en) * | 2014-06-11 | 2014-10-01 | 西安电子科技大学 | Directional dual-frequency base station antenna |
| CN107248613A (en) * | 2017-06-19 | 2017-10-13 | 深圳市维力谷无线技术股份有限公司 | A kind of High-gain dual-frequency antenna element |
| CN108417975A (en) * | 2018-01-30 | 2018-08-17 | 电子科技大学 | A kind of four frequency band Independent adjustable antennas |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5280297A (en) * | 1992-04-06 | 1994-01-18 | General Electric Co. | Active reflectarray antenna for communication satellite frequency re-use |
| EP1098391A2 (en) * | 1999-11-03 | 2001-05-09 | Andrew A.G. | Folded dipole antenna |
| CN101034765A (en) * | 2006-03-10 | 2007-09-12 | 香港城市大学 | Complementary wideband antenna |
| CN101635392A (en) * | 2008-07-21 | 2010-01-27 | 华为技术有限公司 | Antenna unit, coaxial radiation assembly and antenna |
| CN102280687A (en) * | 2011-04-28 | 2011-12-14 | 广东博纬通信科技有限公司 | High-isolation four-port diversity antenna for mobile communication |
| CN102882004A (en) * | 2012-06-29 | 2013-01-16 | 华为技术有限公司 | Electromagnetic dipole antenna |
-
2013
- 2013-11-27 CN CN201310610313.4A patent/CN103700923B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5280297A (en) * | 1992-04-06 | 1994-01-18 | General Electric Co. | Active reflectarray antenna for communication satellite frequency re-use |
| EP1098391A2 (en) * | 1999-11-03 | 2001-05-09 | Andrew A.G. | Folded dipole antenna |
| CN101034765A (en) * | 2006-03-10 | 2007-09-12 | 香港城市大学 | Complementary wideband antenna |
| CN101635392A (en) * | 2008-07-21 | 2010-01-27 | 华为技术有限公司 | Antenna unit, coaxial radiation assembly and antenna |
| CN102280687A (en) * | 2011-04-28 | 2011-12-14 | 广东博纬通信科技有限公司 | High-isolation four-port diversity antenna for mobile communication |
| CN102882004A (en) * | 2012-06-29 | 2013-01-16 | 华为技术有限公司 | Electromagnetic dipole antenna |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104078751A (en) * | 2014-06-11 | 2014-10-01 | 西安电子科技大学 | Directional dual-frequency base station antenna |
| CN107248613A (en) * | 2017-06-19 | 2017-10-13 | 深圳市维力谷无线技术股份有限公司 | A kind of High-gain dual-frequency antenna element |
| CN108417975A (en) * | 2018-01-30 | 2018-08-17 | 电子科技大学 | A kind of four frequency band Independent adjustable antennas |
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Effective date of registration: 20170113 Address after: 523000 Dongguan City, Dongcheng District Province, cattle mountain industrial park outside the landscape road, the main mountain industrial zone, No. 2 Patentee after: GUANGDONG HUISU TELECOMMUNICATION TECH INC. Address before: Taibai Road 710071 Shaanxi city of Xi'an province Xi'an Electronic and Science University No. 2 Patentee before: Xian Electronics Science & Technology Univ. |
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Inventor after: Di Huiqing Inventor after: Chen Hui Inventor after: Gao Qiqiang Inventor after: Li Zhenhua Inventor after: Liang Changhong Inventor before: Di Huiqing Inventor before: Gao Qiqiang Inventor before: Li Zhenhua Inventor before: Liang Changhong |
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Effective date of registration: 20200513 Address after: 310000 Room 518, floor 5, building A18, No. 9, Jiusheng Road, Jianggan District, Hangzhou City, Zhejiang Province Patentee after: HANGZHOU PINGZHI INFORMATION TECHNOLOGY Co.,Ltd. Address before: 523000, Guangdong, Dongguan province Dongcheng District Niu Shan Industrial Park, landscape road, main Mountain Industrial Zone No. 2 Patentee before: GUANGDONG HUISU TELECOMMUNICATION TECH Inc. |
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