CN202384500U - Dual-polarized antenna - Google Patents
Dual-polarized antenna Download PDFInfo
- Publication number
- CN202384500U CN202384500U CN2011205265547U CN201120526554U CN202384500U CN 202384500 U CN202384500 U CN 202384500U CN 2011205265547 U CN2011205265547 U CN 2011205265547U CN 201120526554 U CN201120526554 U CN 201120526554U CN 202384500 U CN202384500 U CN 202384500U
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- waveguide
- polarized antenna
- dual polarized
- horizontal
- dipoles
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Abstract
The utility model discloses a dual-polarized antenna, which comprises a wave guide tube. A plurality of wave guide slots and a plurality of dipoles are arranged on the wave guide tube, wherein the wave guide slots are used for horizontal polarization of electromagnetic waves, and the dipoles are used for vertical polarization of the electromagnetic waves. By the dual-polarized antenna, wide-angle coverage of horizontal polarization components and vertical polarization components can be achieved easily; coverage angle errors of the horizontal polarization components and the vertical polarization components are not more than five degrees; and influence between the horizontal polarization components and the vertical polarization components is small, and the horizontal polarization components and the vertical polarization components can be adjusted independently.
Description
Technical field
The utility model relates to communication field, particularly a kind of dual polarized antenna.
Background technology
In communication,, use dual polarized antenna to constitute diversity reception usually and perhaps constitute the MIMO multichannel for anti-multipath interference performance and lifting traffic rate.Different with GSM is that the antenna for base station that in wlan system, uses perpendicular polarization+horizontal polarization all has remarkable advantages than the antenna that uses ± 45 degree polarization at data transfer rate and diversity.And because the dual polarized antenna that usage level face angle of coverage up 120 is spent is generally hoped in the restriction of wlan system construction cost.In present applied dual polarized antenna technology, there are following two difficult problems:
1. horizontal polarization is difficult to realize the big cone of coverage of 120 degree.General dual polarized antenna can only be accomplished 90 degree.
2. the horizontal polarization component is difficult to reach consistent with perpendicular polarization component cone of coverage.This defective makes that two polarization components region covered of the same antenna are inconsistent, causes at some to come on the wave path diversity gain or traffic rate sharply to descend.
The utility model content
In order to solve above technical problem, the utility model provides a kind of dual polarized antenna.
The utility model discloses a kind of dual polarized antenna; Comprise waveguide; Said waveguide visitor is provided with a plurality of Waveguide slots and a plurality of dipole, and described a plurality of Waveguide slots are used for the electromagnetic wave horizontal polarization, and described a plurality of dipoles are used for electromagnetic perpendicular polarization.
In the described dual polarized antenna of the utility model, described a plurality of Waveguide slots and a plurality of dipole composition homogeneity periodic array.
In the described dual polarized antenna of the utility model, described waveguide gap array is respectively in described waveguide center line both sides, and fore-and-aft distance is 0.5 times of center guide wavelength, and horizontal spacing is 0.1～0.3 times of centre wavelength.
In the described dual polarized antenna of the utility model, described a plurality of dipoles utilize described waveguide to make the radio wave attenuation device.
In the described dual polarized antenna of the utility model, described a plurality of dipoles are positioned over described Waveguide slot next door, and longitudinal pitch is about 0.8 times of centre wavelength, and horizontal spacing is 0.2～0.4 times of centre wavelength.
Implement a kind of dual polarized antenna of the utility model, have following beneficial technical effects:
1. the wide angle of realizing horizontal polarization component and perpendicular polarization component easily covers;
2. the cone of coverage error of horizontal polarization component and perpendicular polarization component＜=5 are spent;
3. influence is very little between horizontal polarization component and perpendicular polarization component, can independently adjust.
Description of drawings
Fig. 1 is a kind of dual polarized antenna structural representation of the utility model;
Fig. 2 a is the horizontal lobe 90 degree perpendicular polarization waveform figure of the utility model dual polarized antenna;
Fig. 2 b is the horizontal lobe 90 degree horizontal polarization waveform figure of the utility model dual polarized antenna;
Fig. 3 a is the horizontal lobe 120 degree perpendicular polarization waveform figure of the utility model dual polarized antenna;
Fig. 3 b is the horizontal lobe 120 degree horizontal polarization waveform figure of the utility model dual polarized antenna;
Embodiment
By the technology contents, the structural feature that specify the utility model, realized purpose and effect, know clearly below in conjunction with execution mode and conjunction with figs. and give explanation.
See also Fig. 1, a kind of dual polarized antenna comprises waveguide 10, feed connection 3.Waveguide 10 is provided with a plurality of Waveguide slots 11 and a plurality of dipole 12, and a plurality of Waveguide slots 11 are used for the electromagnetic wave horizontal polarization, and a plurality of dipoles 12 are used for electromagnetic perpendicular polarization.
Preferably; A plurality of Waveguide slots 11 and a plurality of dipole 12 composition homogeneity periodic arrays; Waveguide slot 11 arrays are respectively in waveguide 10 center line both sides; Fore-and-aft distance is 0.5 times of center guide wavelength, and horizontal spacing is 0.1～0.3 times of centre wavelength, and a plurality of dipoles 12 utilize waveguide 10 to make the radio wave attenuation device.A plurality of dipoles 12 are positioned over Waveguide slot 11 next doors, and longitudinal pitch is about 0.8 times of centre wavelength, and horizontal spacing is 0.2～0.4 times of centre wavelength, and centre wavelength is the center line of waveguide 10.
In other words:
The basic structure that the utility model adopts is: a Waveguide slot antenna is arranged in the structure, and dipole array is installed on the Waveguide slot battle array, waveguide as its reflector.Wherein the Waveguide slot branch is listed in the center line both sides of broadside, and the slit longitudinal pitch is 0.5 times of centre wavelength, and the level interval in slit is about 0.1～0.3 times of centre wavelength.Adjust the level interval in slit, can adjust the horizontal plane lobe width of horizontal polarization component.Dipole is positioned over the next door, slit, and longitudinal pitch is about 0.8 times of centre wavelength, and horizontal spacing is 0.2～0.4 times of centre wavelength.The quantity in slit and the quantity of dipole are depended in the gain of antenna, and different quantity can realize the gain of 10～18dBi.
Fig. 2 a and Fig. 2 b have shown the effect of the utility model: the directional diagram of the vertical+horizontal double pole antenna of horizontal lobe 90 degree that utilize present technique to realize.(more level and smooth among the figure is the horizontal plane lobe pattern, tortuous vertical plane lobe pattern)
Leading indicator is:
Frequency range: 2400～2500MHz;
Gain: 16dBi;
Polarization mode: perpendicular polarization+horizontal polarization;
Horizontal lobe width: vertical component: 90 ° ± 5 °, horizontal polarization component: 90 ° ± 5 °;
Interport isolation＞=25dB.
Fig. 3 a and Fig. 3 b have shown the effect of the utility model once more: the directional diagram of the vertical+horizontal double pole antenna of horizontal lobe 120 degree that utilize present technique to realize.Leading indicator is:
Frequency range: 2400～2500MHz;
Gain: 16dBi;
Polarization mode: perpendicular polarization+horizontal polarization;
Horizontal lobe width: vertical component: 120 ° ± 10 °, horizontal polarization component: 120 ° ± 10 °;
Interport isolation＞=25dB.
Implement a kind of dual polarized antenna of the utility model, have following beneficial technical effects:
1. the wide angle of realizing horizontal polarization component and perpendicular polarization component easily covers;
2. the cone of coverage error of horizontal polarization component and perpendicular polarization component＜=5 are spent;
3. influence is very little between horizontal polarization component and perpendicular polarization component, can independently adjust.
Combine accompanying drawing that the embodiment of the utility model is described above; But the utility model is not limited to above-mentioned embodiment, and above-mentioned embodiment only is schematically, rather than restrictive; Those of ordinary skill in the art is under the enlightenment of the utility model; Not breaking away under the scope situation that the utility model aim and claim protect, also can make a lot of forms, these all belong within the protection of the utility model.
Claims (5)
1. a dual polarized antenna comprises waveguide, it is characterized in that: said waveguide is provided with a plurality of Waveguide slots and a plurality of dipole, and described a plurality of Waveguide slots are used for the electromagnetic wave horizontal polarization, and described a plurality of dipoles are used for electromagnetic perpendicular polarization.
2. dual polarized antenna according to claim 1 is characterized in that, described a plurality of Waveguide slots and a plurality of dipole composition homogeneity periodic array.
3. dual polarized antenna according to claim 2 is characterized in that, described waveguide gap array is respectively in described waveguide center line both sides, and fore-and-aft distance is 0.5 times of center guide wavelength, and horizontal spacing is 0.1～0.3 times of centre wavelength.
4. dual polarized antenna according to claim 1 is characterized in that, described a plurality of dipoles utilize described waveguide to make the radio wave attenuation device.
5. dual polarized antenna according to claim 1 is characterized in that, described a plurality of dipoles are positioned over described Waveguide slot next door, and longitudinal pitch is about 0.8 times of centre wavelength, and horizontal spacing is 0.2～0.4 times of centre wavelength.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205265547U CN202384500U (en) | 2011-12-14 | 2011-12-14 | Dual-polarized antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205265547U CN202384500U (en) | 2011-12-14 | 2011-12-14 | Dual-polarized antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202384500U true CN202384500U (en) | 2012-08-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205265547U Expired - Lifetime CN202384500U (en) | 2011-12-14 | 2011-12-14 | Dual-polarized antenna |
Country Status (1)
| Country | Link |
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| CN (1) | CN202384500U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102420352A (en) * | 2011-12-14 | 2012-04-18 | 佛山市健博通电讯实业有限公司 | Dual polarized antenna |
| CN104267383A (en) * | 2014-09-30 | 2015-01-07 | 中国人民解放军63892部队 | Self-adaptive measuring device for polarization parameter of radar electromagnetic signal |
| CN105680180A (en) * | 2014-11-20 | 2016-06-15 | 中国航空工业集团公司雷华电子技术研究所 | Microwave absorbing structure and method for restraining cross polarization of dual-polarization waveguide slot array antenna |
| US11374332B2 (en) * | 2019-12-16 | 2022-06-28 | Iucf-Hyu (Industry-University Cooperation Foundation Hanyang University) | Millimeter wave band array antenna |
-
2011
- 2011-12-14 CN CN2011205265547U patent/CN202384500U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102420352A (en) * | 2011-12-14 | 2012-04-18 | 佛山市健博通电讯实业有限公司 | Dual polarized antenna |
| CN104267383A (en) * | 2014-09-30 | 2015-01-07 | 中国人民解放军63892部队 | Self-adaptive measuring device for polarization parameter of radar electromagnetic signal |
| CN105680180A (en) * | 2014-11-20 | 2016-06-15 | 中国航空工业集团公司雷华电子技术研究所 | Microwave absorbing structure and method for restraining cross polarization of dual-polarization waveguide slot array antenna |
| CN105680180B (en) * | 2014-11-20 | 2018-11-16 | 中国航空工业集团公司雷华电子技术研究所 | Inhibit the cross-polarized microwave absorbing structure of dual polarization waveguide Slot array and method |
| US11374332B2 (en) * | 2019-12-16 | 2022-06-28 | Iucf-Hyu (Industry-University Cooperation Foundation Hanyang University) | Millimeter wave band array antenna |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: GUANGDONG KENBOTONG TECHNOLOGY CO., LTD. Free format text: FORMER NAME: JIANBOTONG TELECOMMUNICATION INDUSTRIAL CO., LTD., FOSHAN CITY |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 518000, Chan Road, Nanzhuang Town, Chancheng District, Guangdong, Foshan, 2 Patentee after: Guangdong Science and Technology Co., Ltd. of strong Botong Address before: 518000, Chan Road, Nanzhuang Town, Chancheng District, Guangdong, Foshan, 2 Patentee before: Jianbotong Telecommunication Industrial Co., Ltd., Foshan City |
|
| CX01 | Expiry of patent term |
Granted publication date: 20120815 |
|
| CX01 | Expiry of patent term |