CN104143699B - Dual-polarized antenna and manufacturing method thereof - Google Patents
Dual-polarized antenna and manufacturing method thereof Download PDFInfo
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- CN104143699B CN104143699B CN201310170491.XA CN201310170491A CN104143699B CN 104143699 B CN104143699 B CN 104143699B CN 201310170491 A CN201310170491 A CN 201310170491A CN 104143699 B CN104143699 B CN 104143699B
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Abstract
The invention discloses a dual-polarized antenna and a manufacturing method thereof, and relates to the technical field of the mobile communication base station antennas. The dual-polarized antenna comprises radiation unit arrays and four radio frequency ports corresponding to the radiation unit arrays, wherein each radiation unit array comprises more than two +/- 45-degree dual-polarized radiation units and corresponds to four feed networks; the radiation units in each column are connected to the corresponding radio frequency ports through the feed networks in a spaced mode. By the adoption of array interval arrangement, space is effectively utilized, the demands of diversity reception, multiple-input multiple-output are achieved, and the demand that beautification is easily carried out can be met. Compared with conventional design, the windward area of novel base station antennas is reduced by half, and the demand for beautification of the base station antennas is more adapted.
Description
Technical field
The present invention relates to antenna of mobile communication base station technical field, particularly to a kind of dual polarized antenna and its manufacturer
Method.
Background technology
In the forth generation GSM fermenting in commercial 3-G (Generation Three mobile communication system) and, it is directed to
Arrive the multiport array antenna technique of multiple-input, multiple-output.For adapting to improvement and the innovation of communication system, existing antenna for base station
Concrete form is also required to make corresponding changes, and such as meeting the application requirement of communication system diversity reception, MIMO, needs
Develop corresponding multiport Bipolarization antenna for base station.
Existing multi-port antenna technical arrangement scheme is as shown in figure 1, the program makes antenna in longitudinal size or horizontal line
Oversized, thus leading to antenna overall dimensions larger, it is unfavorable for the engineering construction of reality.
Beautification for meeting base station construction requires, and needs exploitation miniaturization antenna for base station.Patent CN202121056U proposes
Miniaturization array antenna employ the feed element of circular patch form, the section height of antenna can be reduced, because of paster battle array
Row coupling is high compared with dipole array, so needing the isolation to improve each port for the larger interval, this can not reduce windward
Area.
Therefore, the new opplication demand built for communication system base station, the miniature antenna of exploitation multiport seems more next
More important.
Content of the invention
The inventors found that existing problems in above-mentioned prior art, and be therefore directed in described problem at least one
Individual problem proposes a kind of new technical scheme.
It is an object of the present invention to provide a kind of technical scheme realizing compact multiport antenna for base station.
According to the first aspect of the invention, a kind of dual polarized antenna is provided, including：
Radiation cell array, described radiation cell array includes two or more ± 45 ° dual-polarization radiating unit；
Four prevention at radio-frequency port corresponding with described radiation cell array, respectively：
First prevention at radio-frequency port, corresponding to+45 ° of polarization of the radiating element of odd-numbered position in described radiation cell array
Port；
Second prevention at radio-frequency port, corresponding to -45 ° of polarization of the radiating element of odd-numbered position in described radiation cell array
Port；
3rd prevention at radio-frequency port, corresponding to+45 ° of polarization of the radiating element of even-numbered position in described radiation cell array
Port；
4th prevention at radio-frequency port, corresponding to -45 ° of polarization of the radiating element of even-numbered position in described radiation cell array
Port.
Alternatively, this antenna also includes：
Four feeding networks corresponding with described radiation cell array, respectively：
First feeding network, is connected with described first prevention at radio-frequency port, and connects odd-numbered in described radiation cell array
+ 45 ° of polarization ports of the radiating element of position；
Second feeding network, is connected with described second prevention at radio-frequency port, and connects odd-numbered in described radiation cell array
- 45 ° of polarization ports of the radiating element of position；
3rd feeding network, is connected with described 3rd prevention at radio-frequency port, and connects even-numbered in described radiation cell array
+ 45 ° of polarization ports of the radiating element of position；
4th feeding network, is connected with described 4th prevention at radio-frequency port, and connects even-numbered in described radiation cell array
- 45 ° of polarization ports of the radiating element of position.
Alternatively, antenna includes radiation cell array described in two or more, and each described radiation cell array has correspondence
Four prevention at radio-frequency port.
Alternatively, arranged in parallel between each described radiation cell array.
Alternatively, antenna includes two described radiation cell arrays, and two described radiation cell arrays are arranged in parallel.
Alternatively, dual polarized antenna is antenna for base station.
According to a further aspect in the invention, a kind of dual polarized antenna manufacture method is provided, including：
Two or more ± 45 ° dual-polarization radiating unit is arranged in a radiation cell array in order；
Connect+45 ° of poles of the radiating element of odd-numbered position in described radiation cell array by the first feeding network
Change port and form the first subarray, described first subarray is connected to by the first prevention at radio-frequency port by described first feeding network；
Connect -45 ° of poles of the radiating element of odd-numbered position in described radiation cell array by the second feeding network
Change port and form the second subarray, described second subarray is connected to by the second prevention at radio-frequency port by described second feeding network；
Connect+45 ° of poles of the radiating element of even-numbered position in described radiation cell array by the 3rd feeding network
Change port and form three sub-array row, described three sub-array row are connected to by the 3rd prevention at radio-frequency port by described 3rd feeding network；
Connect -45 ° of poles of the radiating element of even-numbered position in described radiation cell array by the 4th feeding network
Change port and form the 4th subarray, described 4th subarray is connected to by the 4th prevention at radio-frequency port by described 4th feeding network.
Alternatively, the method also includes：
Will be arranged in parallel for two described radiation cell arrays；
Each described radiation cell array correspondence is connected to four prevention at radio-frequency port.
Alternatively, dual polarized antenna is antenna for base station.
An advantage of the invention that, radiating element a period of time is spaced, while effective utilization space, isolation
Degree does not have severe exacerbation, thus realize the Novel Bipolar base that one kind both with MIMO, can meet miniature requirement again
Station antenna.
By the detailed description to the exemplary embodiment of the present invention referring to the drawings, the further feature of the present invention and its
Advantage will be made apparent from.
Brief description
Constitute the Description of Drawings of a part the embodiments of the invention of specification, and be used for together with the description solving
Release the principle of the present invention.
Referring to the drawings, according to detailed description below, the present invention can be more clearly understood from, wherein：
Fig. 1 illustrates the diagram of existing base station dual polarized antenna.
Fig. 2 illustrates the structure chart of an embodiment of the dual polarized antenna according to the present invention.
The flow chart that Fig. 3 illustrates an embodiment of the dual polarized antenna manufacture method according to the present invention.
Specific embodiment
To describe the various exemplary embodiments of the present invention now with reference to accompanying drawing in detail.It should be noted that：Unless other have
Body illustrates, the positioned opposite, numerical expression of the part otherwise illustrating in these embodiments and step and numerical value do not limit this
The scope of invention.
Simultaneously it should be appreciated that for the ease of description, the size of the various pieces shown in accompanying drawing is not according to reality
Proportionate relationship draw.
Description only actually at least one exemplary embodiment is illustrative below, never as to the present invention
And its application or any restriction using.
May be not discussed in detail for technology, method and apparatus known to person of ordinary skill in the relevant, but suitable
When in the case of, described technology, method and apparatus should be considered authorize specification a part.
In all examples with discussion shown here, any occurrence should be construed as merely exemplary, and not
It is as restriction.Therefore, the other examples of exemplary embodiment can have different values.
It should be noted that：Similar label and letter represent similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined in individual accompanying drawing, then do not need it is further discussed in subsequent accompanying drawing.
For the problems of the prior art, on the premise of meeting technical requirement, exploitation is a kind of compact for the present inventor
The multiport antenna for base station of type can meet, so as to possess, the demand being easy to beautify again while MIMO function.
Fig. 2 illustrates the structure chart of an embodiment of the dual polarized antenna according to the present invention.In this embodiment, antenna has eight
Individual feed port and two radiation a period of time cell arrays, wherein a period of time unit is divided into four groups, two ports of every group of connection.As Fig. 2
Shown, ± 45 ° of dual-polarization radiating units are arranged in two parallel row, i.e. two radiation cell arrays.Each radiating element
Array includes two or more ± 45 ° dual-polarization radiating unit.The radiation that numbering is odd number is chosen in each radiation cell array
Unit forms corresponding+45 ° and -45 ° two polarization ports of a radiating curtain, chooses the radiating element composition that numbering is even number another
Corresponding in addition+45 ° and -45 ° two polarization ports of an outer radiating curtain, i.e. four radio-frequency heads of each radiation cell array correspondence
Mouthful, the corresponding relation of 4 prevention at radio-frequency port is respectively：
First prevention at radio-frequency port, corresponding to+45 ° of polarization of the radiating element of odd-numbered position in described radiation cell array
Port；
Second prevention at radio-frequency port, corresponding to -45 ° of polarization of the radiating element of odd-numbered position in described radiation cell array
Port；
3rd prevention at radio-frequency port, corresponding to+45 ° of polarization of the radiating element of even-numbered position in described radiation cell array
Port；
4th prevention at radio-frequency port, corresponding to -45 ° of polarization of the radiating element of even-numbered position in described radiation cell array
Port.
4 prevention at radio-frequency port such as the prevention at radio-frequency port 1,2,5,6 in Fig. 2.
Each radiation cell array corresponds to 4 feeding networks.The radiating element of wherein each row passes through feeding network compartment of terrain
It is connected on corresponding prevention at radio-frequency port ,+45 ° of polarization ports of such as unit 101 and 103 are connected with same feeding network, form son
Array, and be connected on prevention at radio-frequency port 1；- 45 ° of polarization ports of unit 101 and 103 are connected with same feeding network, form son
Array, and be ultimately connected on port 2；+ 45 ° of polarization ports of unit 102 and 104 are connected with same feeding network, form son
Array, and be ultimately connected on port 5；- 45 ° of polarization ports of unit 102 and 104 are connected with same feeding network, form son
Array, and be ultimately connected on port 6.
Two radiation cell arrays being arranged parallel to each other are shown, corresponding 8 prevention at radio-frequency port in the embodiment of Fig. 2.This
Field it will be appreciated by the skilled person that antenna for base station can also include 1 radiation cell array, corresponding 4 prevention at radio-frequency port（As only
Comprise the part of label instruction in Fig. 2）.Or including 3 and above radiation cell array, each radiation cell array is respectively
Corresponding 4 prevention at radio-frequency port and its corresponding feeding network.
In above-described embodiment, by way of above-mentioned interval selection radiating element carries out organizing battle array, can be radiated with effectively utilizes
Space between unit, realizes the compact arrangement of each radiating element.Compare the arrangement mode of routine, the aerial array that the present invention obtains
Its caliber size only has original 1/2, is that the miniaturization of multiport array antenna provides new mentality of designing.
The flow chart that Fig. 3 illustrates an embodiment of the dual polarized antenna manufacture method according to the present invention.
As shown in figure 3, step 302, two or more ± 45 ° dual-polarization radiating unit is arranged in a radiation in order single
Element array；
Step 304, connects the radiating element of odd-numbered position in described radiation cell array by the first feeding network
+ 45 ° polarization ports formed the first subarrays, by described first feeding network, described first subarray is connected to first and penetrates
Frequency port；
Step 306, connects the radiating element of odd-numbered position in described radiation cell array by the second feeding network
- 45 ° polarization ports formed the second subarrays, by described second feeding network, described second subarray is connected to second and penetrates
Frequency port；
Step 308, connects the radiating element of even-numbered position in described radiation cell array by the 3rd feeding network
+ 45 ° of polarization ports form three sub-arrays row, by described 3rd feeding network, described three sub-array row are connected to the 3rd and penetrate
Frequency port；
Step 310, connects the radiating element of even-numbered position in described radiation cell array by the 4th feeding network
- 45 ° polarization ports formed the 4th subarrays, by described 4th feeding network, described 4th subarray is connected to the 4th and penetrates
Frequency port.
It may be noted that in above-described embodiment, the order of step 304～step 310 can change.
In one embodiment, also will be arranged in parallel for two radiation cell arrays；Will be every according to the step in Fig. 3 embodiment
Individual radiation cell array correspondence is connected to four prevention at radio-frequency port.
For the deficiency of prior art, the disclosure uses the dipole radiating element of high reliability, and a period of time is spaced,
Effectively while utilization space, isolation does not have severe exacerbation, thus realize one kind both with MIMO, and can be able to meet
The Novel Bipolar antenna for base station of miniature requirement.
Aerial array arrangement described by the disclosure had both had the characteristic of multiport, can meet miniature requirement again；Compare
Conventional design, the front face area of novel base station antenna reduces half, has more adapted to the demand of antenna for base station beautification.
So far, dual polarized antenna and its manufacture method according to the present invention is described in detail.In order to avoid masking originally
The design of invention, does not describe some details known in the field.Those skilled in the art as described above, completely may be used
To understand how to implement technical scheme disclosed herein.
The method of the present invention and system may be achieved in many ways.For example, can by software, hardware, firmware or
Software, hardware, any combinations of firmware are realizing the method for the present invention and system.Said sequence for the step of methods described
Merely to illustrating, the step of the method for the present invention is not limited to order described in detail above, special unless otherwise
Do not mentionlet alone bright.Additionally, in certain embodiments, also the present invention can be embodied as recording program in the recording medium, these programs
Including the machine readable instructions for realizing the method according to the invention.Thus, the present invention also covers storage and is used for executing basis
The recording medium of the program of the method for the present invention.
Although being described in detail to some specific embodiments of the present invention by example, the skill of this area
Art personnel it should be understood that above example is merely to illustrate, rather than in order to limit the scope of the present invention.The skill of this area
Art personnel are it should be understood that can modify to above example without departing from the scope and spirit of the present invention.This
Bright scope is defined by the following claims.
Claims (8)
1. a kind of dual polarized antenna is it is characterised in that include：
Radiation cell array, described radiation cell array includes two or more ± 45 ° dual-polarization radiating unit；
Four prevention at radio-frequency port corresponding with described radiation cell array, respectively：
First prevention at radio-frequency port, corresponding to+45 ° of polarization ends of the radiating element of odd-numbered position in described radiation cell array
Mouthful；
Second prevention at radio-frequency port, corresponding to -45 ° of polarization ends of the radiating element of odd-numbered position in described radiation cell array
Mouthful；
3rd prevention at radio-frequency port, corresponding to+45 ° of polarization ends of the radiating element of even-numbered position in described radiation cell array
Mouthful；
4th prevention at radio-frequency port, corresponding to -45 ° of polarization ends of the radiating element of even-numbered position in described radiation cell array
Mouthful；
Four feeding networks corresponding with described radiation cell array, respectively：
First feeding network, is connected with described first prevention at radio-frequency port, and connects odd-numbered position in described radiation cell array
+ 45 ° of radiating element polarization ports；
Second feeding network, is connected with described second prevention at radio-frequency port, and connects odd-numbered position in described radiation cell array
- 45 ° of radiating element polarization ports；
3rd feeding network, is connected with described 3rd prevention at radio-frequency port, and connects even-numbered position in described radiation cell array
+ 45 ° of radiating element polarization ports；
4th feeding network, is connected with described 4th prevention at radio-frequency port, and connects even-numbered position in described radiation cell array
- 45 ° of radiating element polarization ports.
2. antenna according to claim 1 is it is characterised in that described antenna includes radiating element battle array described in two or more
Row, each described radiation cell array has corresponding four prevention at radio-frequency port.
3. antenna according to claim 2 is it is characterised in that arranged in parallel between each described radiation cell array.
4. antenna according to claim 2 is it is characterised in that described antenna includes two described radiation cell arrays, and two
Individual described radiation cell array is arranged in parallel.
5. antenna according to claim 1 is it is characterised in that described dual polarized antenna is antenna for base station.
6. a kind of dual polarized antenna manufacture method is it is characterised in that include：
Two or more ± 45 ° dual-polarization radiating unit is arranged in a radiation cell array in order；
Connect+45 ° of polarization ends of the radiating element of odd-numbered position in described radiation cell array by the first feeding network
Mouth forms the first subarray, by described first feeding network, described first subarray is connected to the first prevention at radio-frequency port；
Connect -45 ° of polarization ends of the radiating element of odd-numbered position in described radiation cell array by the second feeding network
Mouth forms the second subarray, by described second feeding network, described second subarray is connected to the second prevention at radio-frequency port；
Connect+45 ° of polarization ends of the radiating element of even-numbered position in described radiation cell array by the 3rd feeding network
Mouth forms three sub-array row, by described 3rd feeding network, described three sub-array row is connected to the 3rd prevention at radio-frequency port；
Connect -45 ° of polarization ends of the radiating element of even-numbered position in described radiation cell array by the 4th feeding network
Mouth forms the 4th subarray, by described 4th feeding network, described 4th subarray is connected to the 4th prevention at radio-frequency port.
7. method according to claim 6 is it is characterised in that also include：
Will be arranged in parallel for two described radiation cell arrays；
Each described radiation cell array correspondence is connected to four prevention at radio-frequency port.
8. method according to claim 6 is it is characterised in that described dual polarized antenna is antenna for base station.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310170491.XA CN104143699B (en) | 2013-05-10 | 2013-05-10 | Dual-polarized antenna and manufacturing method thereof |
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| CN201310170491.XA CN104143699B (en) | 2013-05-10 | 2013-05-10 | Dual-polarized antenna and manufacturing method thereof |
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| CN104143699A CN104143699A (en) | 2014-11-12 |
| CN104143699B true CN104143699B (en) | 2017-02-15 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104577320A (en) * | 2015-01-20 | 2015-04-29 | 佛山市安捷信通讯设备有限公司 | Low-profile multi-frequency-band double-port directional antenna |
| US10770803B2 (en) * | 2017-05-03 | 2020-09-08 | Commscope Technologies Llc | Multi-band base station antennas having crossed-dipole radiating elements with generally oval or rectangularly shaped dipole arms and/or common mode resonance reduction filters |
| US11870134B2 (en) | 2017-07-05 | 2024-01-09 | Commscope Technologies Llc | Base station antennas having radiating elements with sheet metal-on dielectric dipole radiators and related radiating elements |
| CN112956076A (en) * | 2018-10-23 | 2021-06-11 | 康普技术有限责任公司 | Antenna including multi-resonant crossed dipole radiating element and associated radiating element |
| CN111293418A (en) | 2018-12-10 | 2020-06-16 | 康普技术有限责任公司 | Radiator assembly for base station antenna and base station antenna |
| CN116097524A (en) * | 2020-09-17 | 2023-05-09 | 华为技术有限公司 | Antenna system and method for feeding an antenna array of dual polarized radiating elements |
| CN112993596A (en) * | 2021-05-20 | 2021-06-18 | 清华大学 | Dimension-reducing multi-beam antenna system |
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| CN101183891A (en) * | 2006-11-15 | 2008-05-21 | 日本电气株式会社 | Radio communication system and radio communication apparatus |
| CN101848471A (en) * | 2010-05-07 | 2010-09-29 | 摩比天线技术（深圳）有限公司 | Capacity expansion method for wireless communication network and base station antenna |
| CN102064379A (en) * | 2010-07-29 | 2011-05-18 | 摩比天线技术（深圳）有限公司 | Electric tilt antenna and base station |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101183891A (en) * | 2006-11-15 | 2008-05-21 | 日本电气株式会社 | Radio communication system and radio communication apparatus |
| CN101848471A (en) * | 2010-05-07 | 2010-09-29 | 摩比天线技术（深圳）有限公司 | Capacity expansion method for wireless communication network and base station antenna |
| CN102064379A (en) * | 2010-07-29 | 2011-05-18 | 摩比天线技术（深圳）有限公司 | Electric tilt antenna and base station |
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