CN202817194U - A wireless communication base station array antenna with wide frequency band, dual polarization, and low profile - Google Patents
A wireless communication base station array antenna with wide frequency band, dual polarization, and low profile Download PDFInfo
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- CN202817194U CN202817194U CN 201220127893 CN201220127893U CN202817194U CN 202817194 U CN202817194 U CN 202817194U CN 201220127893 CN201220127893 CN 201220127893 CN 201220127893 U CN201220127893 U CN 201220127893U CN 202817194 U CN202817194 U CN 202817194U
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- 230000010287 polarization Effects 0.000 title claims abstract description 14
- 238000004891 communication Methods 0.000 title claims abstract description 13
- 230000005540 biological transmission Effects 0.000 claims abstract description 9
- 230000005855 radiation Effects 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims abstract description 7
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 238000013461 design Methods 0.000 abstract description 4
- 239000002131 composite material Substances 0.000 abstract 4
- 239000000758 substrate Substances 0.000 description 6
- 238000007639 printing Methods 0.000 description 3
- 239000004744 fabric Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- IXSZQYVWNJNRAL-UHFFFAOYSA-N etoxazole Chemical compound CCOC1=CC(C(C)(C)C)=CC=C1C1N=C(C=2C(=CC=CC=2F)F)OC1 IXSZQYVWNJNRAL-UHFFFAOYSA-N 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
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- 238000012360 testing method Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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Abstract
The utility model discloses a wireless communication base station array antenna with wide frequency band, dual polarization, and low profile. The wireless communication base station array antenna comprises multiform array antenna units with dual polarization, a composite array unit feeding method, a composite feeding network, and array unit power distributing and impedance matching method based on transmission line theory. The wireless communication base station array antenna is characterized in that the array units are composite array antenna formed by double-polarized radiation paster unit with four forms, that part array unit use direct feeding mode while the other array units use coupled feeding mode, that the entire array is divided into multiple sub array in series and then the multiple sub array in series form a composite feeding array antenna by using a parallel feeding method, and that array unit power distributing and impedance matching design are performed by using transmission line theory to change the characteristic impedance of the transmission line on a feeding transmission line. The array antenna has advantages of wide frequency band, dual polarization, low profile, and shaped beams.
Description
Technical field
The utility model relates to a kind of radio communication base station array antenna.A kind of wide-band, dual polarization, low section radio communication base station array antenna specifically.
Background technology
The radio communication base station array antenna need to satisfy specific technical specification, such as broadband, high efficiency, low section, light weight etc.For large-scale WLAN (wireless local area network) (WLAN) array antenna for base station, in order to realize dual polarization and broadband, tend to adopt baroque Wideband dual-polarization radiating unit that all array elements are the array element of same form; If the pair array antenna carries out beam forming processing, then feeding network can adopt and present or and feedback and the combined type feeding classification of series feed mixing.Simultaneously in order to carry out impedance matching, generally also can add matching network at feeding network, will cause so the complicated or even sandwich construction of whole array antenna structure, cause that loss increase, reliability reduce, cost increases.How to simplify dual polarization, shaped-beam WLAN base station array antenna structure, reducing the manufacturing cost of feeder loss, reduction antenna and the reliability of raising array antenna is a technical barrier that faces in the design of radio communication base station array antenna.
The utility model content
Problem to be solved in the utility model, be to overcome the defective that prior art exists, propose the low section combined type radio communication base station array antenna of a kind of wide-band dual polarization, had wide impedance operator, can dual polarization work, section is low, beam shape with figuration.Simple in structure, with low cost, gain advantages of higher.
Section combined type radio communication base station array antenna (being called for short this antenna) is hanged down in the dual polarization of the utility model wide-band, comprising: the dual-polarized array unit of various ways, combined type array element power division and impedance matching feeding network; It is characterized in that: described array element is the combined type array antenna that the angle feedback dual polarised radiation chip unit of four kinds of forms forms; The paster of the 1st kind of form loads square patch, the 2nd kind of form for fluting paster loads square patch, the 3rd kind of form for fluting and afterbody rectangle paster loads square patch, the 4th kind of form for fluting and two ends paster loads square patch for fluting and input taper; Feeding classification at array element has adopted hybrid feed method, and the partial array unit adopts the mode of direct feed, and other array elements adopt coupling feed way; Whole permutation is divided into a plurality of series feed subarrays, and the combined type feeding network that adopts string and feedback method to form again carries out feed to each subarray; The method that adopt to increase tuning band at the feed transmission line changes the input impedance of array element, carries out power division and the designing impedance matching of array element.
The utlity model has wide impedance operator, impedance bandwidth can reach 23% (weighing less than 1.5 with standing-wave ratio), and the directional diagram bandwidth can reach 17%.Can be simultaneously with positive and negative 45 degree linear polarization modes work, wave beam can carry out Shape design with the need, can realize the feature of Sidelobe, high-gain.Simultaneously simple in structure, only need on a bar printing plate, namely can finish the making of whole antenna.Have characteristics cheap for manufacturing cost, that reliability is high.Antenna height only centered by 0.06 wavelength of frequency.Have the low characteristics of section, be fit to be installed in different occasions.Utilize this array antenna can further improve the performance of whole wireless communication system.
Description of drawings
Fig. 1 is the vertical view of array element of the present utility model, and Fig. 2 is the array element end view.1 is that the angle feedback dual polarised radiation paster, 2 of the 1st kind of form is that the angle feedback dual polarised radiation paster, 3 of the 2nd kind of form is that the angle feedback dual polarised radiation paster, 4 of the 3rd kind of form is the angle feedback dual polarised radiation paster of the 4th kind of form among the figure.The 5th, printed layers, the 6th, the ground plane of printed panel, the 7th, air layer, the 8th, dielectric material, the 9th, the feed transmission line, the 10th of printed layers, excitation port.
Fig. 3 is the standing-wave ratio figure in the whole frequency band of measuring.
Fig. 4 is corresponding array antenna azimuth plane and the attached antenna pattern of facing upward of 5100MHz frequency of measuring.
Fig. 5 is corresponding array antenna azimuth plane and the attached antenna pattern of facing upward of 5450MHz frequency of measuring.
Fig. 6 is corresponding array antenna azimuth plane and the attached antenna pattern of facing upward of 5900MHz frequency of measuring.
Embodiment
Below by accompanying drawing the utility model and advantage thereof are described further.
Contrast Fig. 1 and Fig. 2, this array antenna is printed on the epoxy substrate, and upper layer is array element and the feeding network of printing, and the below is the PTFE medium substrate, and then is air layer, and the most beneath is the groundplane layers of printing.Dielectric substrate is the combined type medium substrate that air and PTFE medium substrate form.Array element is the angle feedback dual polarised radiation paster of four kinds of forms.Totally 40 array elements, one half-cell adopts the mode of direct feed, second half array element (light unit among the figure) adopts the mode of coupling feed, can regulate amplitude and the phase value of the signal of each array element distribution by the size of adjusting the coupling slit, thereby reach the purpose of wave beam forming.Simultaneously also by regulating tuning input impedance that changes each array element on the transmission line that each array element connects, thereby reach amplitude and the phase-adjusted purpose of each array element being carried out power.A total array antenna is divided into 16 series feed subarrays.By string and mixing feeding classification all group of subarrays are synthesized one totally.Can be implemented in the impedance matching of input port by transmission line adjusted block size and size between adjusting input port and the array element.
As shown in Figure 3, the antenna standing wave ratio of measurement less than 1.5, has wide band characteristic in whole frequency band.All being manufactured on the medium substrate finished simultaneously, increased the reliability of system.Dual polarization work makes a width of cloth antenna have the function of two width of cloth antennas.Reduced cost.Antenna pattern such as Fig. 4, Fig. 5, shown in Figure 6 of measuring.Can find out that therefrom its minor level is about 20.5dBi less than the average antenna gain of antenna in-12dB, the whole bandwidth, illustrates that antenna efficiency is reasonable.Above-mentioned test result has illustrated the validity of array antenna design.
Claims (1)
1. the low section combined type radio communication base station array antenna of wide-band dual polarization comprises: the dual-polarized array unit of various ways, combined type array element power division and impedance matching feeding network; It is characterized in that: described array element is the combined type array antenna that the angle feedback dual polarised radiation chip unit of four kinds of forms forms, the partial array unit adopts the mode of direct feed, other array elements adopt coupling feed way, and the combined type feeding network that adopts string and feedback method to form carries out feed to each series feed subarray, then add the tuning input impedance that changes array element that brings at the feed transmission line, carry out power division and the designing impedance matching of array element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220127893 CN202817194U (en) | 2012-03-30 | 2012-03-30 | A wireless communication base station array antenna with wide frequency band, dual polarization, and low profile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220127893 CN202817194U (en) | 2012-03-30 | 2012-03-30 | A wireless communication base station array antenna with wide frequency band, dual polarization, and low profile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202817194U true CN202817194U (en) | 2013-03-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220127893 Withdrawn - After Issue CN202817194U (en) | 2012-03-30 | 2012-03-30 | A wireless communication base station array antenna with wide frequency band, dual polarization, and low profile |
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| CN (1) | CN202817194U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102610928A (en) * | 2012-03-30 | 2012-07-25 | 星动通讯科技（苏州）有限公司 | Wide-frequency-band, dual-polarized, low-profile composite array antenna for wireless communication base station |
| CN106972244A (en) * | 2017-02-28 | 2017-07-21 | 惠州硕贝德无线科技股份有限公司 | A kind of trailer-mounted radar array antenna |
| US12212067B2 (en) | 2021-06-03 | 2025-01-28 | Beijing Boe Technology Development Co., Ltd. | Antenna, method for manufacturing an antenna and communication system |
-
2012
- 2012-03-30 CN CN 201220127893 patent/CN202817194U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102610928A (en) * | 2012-03-30 | 2012-07-25 | 星动通讯科技（苏州）有限公司 | Wide-frequency-band, dual-polarized, low-profile composite array antenna for wireless communication base station |
| CN102610928B (en) * | 2012-03-30 | 2016-05-11 | 星动通讯科技（苏州）有限公司 | The low section combined type of a kind of wide-band dual polarization radio communication base station array antenna |
| CN106972244A (en) * | 2017-02-28 | 2017-07-21 | 惠州硕贝德无线科技股份有限公司 | A kind of trailer-mounted radar array antenna |
| CN106972244B (en) * | 2017-02-28 | 2020-03-27 | 惠州硕贝德无线科技股份有限公司 | Vehicle-mounted radar array antenna |
| US12212067B2 (en) | 2021-06-03 | 2025-01-28 | Beijing Boe Technology Development Co., Ltd. | Antenna, method for manufacturing an antenna and communication system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130320 Effective date of abandoning: 20160511 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |