CN102104202A - Quadrature dualpolarized omnidirectional antenna - Google Patents
Quadrature dualpolarized omnidirectional antenna Download PDFInfo
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- CN102104202A CN102104202A CN 200910189202 CN200910189202A CN102104202A CN 102104202 A CN102104202 A CN 102104202A CN 200910189202 CN200910189202 CN 200910189202 CN 200910189202 A CN200910189202 A CN 200910189202A CN 102104202 A CN102104202 A CN 102104202A
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- support column
- quadrature
- omnidirectional antenna
- orthogonal double
- polarization omnidirectional
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- 230000005855 radiation Effects 0.000 claims abstract description 17
- 239000002184 metal Substances 0.000 claims abstract description 8
- 238000010276 construction Methods 0.000 claims description 2
- 229910052755 nonmetal Inorganic materials 0.000 claims 1
- 230000010287 polarization Effects 0.000 abstract description 18
- 238000010295 mobile communication Methods 0.000 abstract description 10
- 238000005516 engineering process Methods 0.000 description 7
- 238000011161 development Methods 0.000 description 4
- 238000005457 optimization Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 238000012797 qualification Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
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Abstract
The invention is suitable for mobile communication and provides a quadrature dualpolarized omnidirectional antenna, comprising a support column and at least three quadrature dualpolarized units with an angle from -45 to +45 DEG and arranged on the support column, wherein the at least three quadrature dualpolarized units with an angle from -45 to +45 DEG , standing on the same horizontal surface, are distributed equidistantly and equiangularly around the axis of the support column, and form a combined dualpolarized omnidirectional radiation unit which realizes quadrature dualpolarized horizontal omnidirectional radiation with an angle from -45 to +45 DEG, and meets the polarization diversity requirement of the mobile communication. A high gain dualpolarized omnidirectional antenna can be formed by arranging a plurality of same combined dualpolarized omnidirectional radiation units along the axial direction of the support column. Besides, the combined dualpolarized omnidirectional radiation units with metal bases are especially suitable for indoor coverage.
Description
Technical field
The invention belongs to mobile communication technology, relate in particular to a kind of quadrature dual-polarization omnidirectional antenna.
Background technology
Along with the development of mobile communication technology, be that the development of the 3G technology of representative is maked rapid progress with the TD-SCDMA technology.The mobile communication number of users constantly increases now, and type of service also is tending towards variation, and frequency resource is restricting the development of mobile communication, and the 3G smart antenna is one of technology that solves the frequency resource deficiency.Along with the development of CDMA and LTE (Long Term Evolution, Long Term Evolution) technology, the antenna that requires to be applied to the LTE system satisfies polarization diversity, to improve power system capacity.
Omnidirectional antenna in the market is generally single polarization or vertical-horizontal dual polarization, can not adapt to the requirement of mobile communication to polarization diversity.Wait in expectation especially be applied to indoor covering ± 45 ° of dual-polarization omnidirectional antennas.
Summary of the invention
The purpose of the embodiment of the invention is to provide a kind of quadrature dual-polarization omnidirectional antenna that polarization diversity requires that satisfies.
The embodiment of the invention is to realize like this, a kind of quadrature dual-polarization omnidirectional antenna, comprise: support column and at least three ± 45 ° Orthogonal Double polarisation unit being located at described support column, described at least three ± 45 ° Orthogonal Double polarisation unit are in same plane, and described at least three ± 45 ° Orthogonal Double polarisation unit equidistantly wait angle to distribute around the axle center of described support column.
Described in the embodiment of the invention ± 45 ° of Orthogonal Double polarisation unit combine by+45 ° and-45 ° of two mutually orthogonal oscillator of consequent pole direction.
Described in the embodiment of the invention ± 45 ° of Orthogonal Double polarisation unit be ± 45 ° of quadrature gap radiation unit, ± 45 ° of little band half-wave dipoles of quadrature, ± 45 ° of quadrature metal half-wave dipoles or square shaped microstrip radiating element; A plurality of ± 45 ° Orthogonal Double polarisation unit is formed combination bipolar omni-directional radiating element.
The cross section of support column described in the embodiment of the invention is circle or regular polygon, and the length of described oscillator base is identical, and described ± 45 ° Orthogonal Double polarisation unit equates to the distance at support column center.
Support column described in the embodiment of the invention is axially established a plurality of identical combination bipolar omni-directional radiating elements, and adjacent combination bipolar omni-directional radiating element spacing equates that a plurality of combination bipolar omni-directional radiating elements are formed high-gain omni-directional antenna.
The bottom of support column described in the embodiment of the invention is provided with metab.
In the embodiment of the invention several ± 45 ° of Orthogonal Double polarisation unit be in same plane and etc. angle distribute and form combination bipolar omni-directional radiating element, encourage two groups of same polarization oscillators in the described combination bipolar omni-directional radiating element etc. the amplitude same-phase signal respectively via the transmission line of coaxial cable or other form, can produce the circular horizontal plane directional diagram, described combination bipolar omni-directional radiating element just satisfies ± 45 ° of Orthogonal Double polarization omnidirectional radiation conditions, thisly just realized ± polarization of 45 ° of Orthogonal Double by the some ± 45 ° omnidirectional antenna that Orthogonal Double polarized radiation unit combination forms, satisfied the polarization diversity requirement of mobile communication, broken and had only directional antenna could realize ± situation of 45 ° of Orthogonal Double polarization diversitys, made the network planning network optimization have more flexibility.Be located at the axial a plurality of identical combination bipolar omni-directional radiating element of support column and form high-gain omni-directional antenna.The combination bipolar omni-directional radiating element of band metab is specially adapted to indoor covering, can adjust the angle on wave beam and ground as requested, is beneficial to the network optimization.
Description of drawings
Fig. 1 is the vertical view that first embodiment of the invention provides;
Fig. 2 is the end view that first embodiment of the invention provides;
Fig. 3 is an Orthogonal Double polarization oscillator structural representation;
Fig. 4 is the end view that second embodiment of the invention provides;
Fig. 5 is the horizontal radiation pattern of combination bipolar omni-directional radiating element.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
Embodiment one
As depicted in figs. 1 and 2, present embodiment provides the quadrature dual-polarization omnidirectional antenna with four identical ± 45 ° of Orthogonal Double polarisation unit 1, described ± 45 ° Orthogonal Double polarisation unit 1 is ± 45 ° of quadrature gap radiation unit, ± 45 ° of little band half-wave dipoles of quadrature, ± 45 ° of quadrature metal half-wave dipoles or square shaped microstrip radiating element, present embodiment is preferred ± 45 ° of quadrature metal half-wave dipoles, these four ± 45 ° quadrature metal half-wave dipoles are formed a combination radiation unit, the deviation in roundness of the radius of circle decision horizontal directivity pattern of described combination radiation cell distribution, can produce the circular horizontal plane directional diagram when encouraging two groups of same polarization oscillators in the oscillator group respectively via the transmission line of coaxial cable or other form etc. the amplitude same-phase signal, as shown in Figure 5, this combination radiation unit just satisfies ± 45 ° of Orthogonal Double polarization omnidirectional radiation conditions, therefore described combination radiation unit 4 also is called as combination bipolar omni-directional radiating element, thisly just realized ± polarization of 45 ° of Orthogonal Double by the some ± 45 ° omnidirectional antenna that Orthogonal Double polarized radiation unit combination forms, satisfied the polarization diversity requirement of mobile communication, made the network planning network optimization have more flexibility.Described ± 45 ° Orthogonal Double polarisation unit 1 is located at support column 2 by the oscillator base 3 vertical with described support column 2, adjacent described ± angle between 45 ° of Orthogonal Double polarisation unit is 90 °, described support column 2 cross sections are circle or regular polygon, 2 cross sections of support column described in the present embodiment are square, the length of described oscillator base 3 is identical, and described ± 45 ° Orthogonal Double polarisation unit 1 equates to the distance of support column.Support column described in the present embodiment 2 is metal or nonmetallic supporting construction.For reaching high-gain, described support column is axially established a plurality of identical combination bipolar omni-directional radiating elements 4, as required, adjacent combination bipolar omni-directional radiating element spacing equates or arranges according to certain rules that these a plurality of combination bipolar omni-directional radiating elements are formed high-gain omni-directional antenna.
As shown in Figure 3, described ± 45 ° Orthogonal Double polarisation unit 1 is by forming this two secondary oscillator quadrature with horizontal plane angle for two secondary oscillators of+45 ° or-45 ° intersect.
Embodiment two
As shown in Figure 4, present embodiment provides a kind of quadrature dual-polarization omnidirectional antenna that is used for indoor covering, is that with the difference of first embodiment described support column 2 bottoms are provided with metab 5, and described metab 5 is circle or polygon.Present embodiment is particularly suitable for general indoor place.
The bipolar omni-directional of combination described in the present invention radiating element can provide two-way ± 45 ° orthogonal polarization diversity signal in 360 ° of coverages of horizontal plane, the polarization diversity requirement of mobile communication has been satisfied in transmitting-receiving when making an omnidirectional antenna realize the uplink and downlink signal.The power radiation pattern of described combination bipolar omni-directional radiating element is the omni-directional pattern that covers in 360 ° of scopes in horizontal plane, can change the square directional diagram of horizontal plane by adjusting the antenna electrical design in addition.The identical combination bipolar omni-directional radiating element of many groups can be formed the quadrature dual-polarization omnidirectional antenna of high-gain on request, and accomplishes Sidelobe Suppression, filling at zero point, the adjustable electronics angle of declination of antenna power pattern by the power division of adjusting this omnidirectional antenna.The combination bipolar omni-directional radiating element of band metab is specially adapted to indoor covering, can adjust the angle on wave beam and ground as requested, is beneficial to the network optimization.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. quadrature dual-polarization omnidirectional antenna, it is characterized in that, described quadrature dual-polarization omnidirectional antenna comprises support column and is located at least three ± 45 ° Orthogonal Double polarisation unit of described support column, described at least three ± 45 ° Orthogonal Double polarisation unit are in same plane, and described at least three ± 45 ° Orthogonal Double polarisation unit equidistantly wait angle to distribute around the axle center of described support column.
2. quadrature dual-polarization omnidirectional antenna as claimed in claim 1 is characterized in that, described ± 45 ° Orthogonal Double polarisation unit combines with-45 ° of two mutually orthogonal oscillator of consequent pole direction by+45 °.
3. quadrature dual-polarization omnidirectional antenna as claimed in claim 1 or 2, it is characterized in that, described ± 45 a ° Orthogonal Double polarisation unit be ± 45 ° of quadrature gap radiation unit, ± 45 ° of little band half-wave dipoles of quadrature, ± 45 ° of quadrature metal half-wave dipoles or square shaped microstrip radiating element; A plurality of ± 45 ° Orthogonal Double polarisation unit forms combination bipolar omni-directional radiating element.
4. quadrature dual-polarization omnidirectional antenna as claimed in claim 1, it is characterized in that, described quadrature dual-polarization omnidirectional antenna has four ± 45 ° Orthogonal Double polarisation unit, described ± 45 ° Orthogonal Double polarisation unit is located at support column by the oscillator base vertical with described support column, adjacent described ± angle between 45 ° of Orthogonal Double polarisation unit is 90 °.
5. quadrature dual-polarization omnidirectional antenna as claimed in claim 4 is characterized in that, described support column cross section is circle or regular polygon, and the length of described oscillator base is identical, and described ± 45 ° Orthogonal Double polarisation unit equates to the distance of described support column.
6. as claim 1,4 or 5 described quadrature dual-polarization omnidirectional antennas, it is characterized in that described support column is metal or nonmetal supporting construction.
7. quadrature dual-polarization omnidirectional antenna as claimed in claim 3, it is characterized in that, described combination bipolar omni-directional radiating element has a plurality of, a plurality of described combination bipolar omni-directional radiating elements are located at the axial of described support column, the spacing of adjacent described combination bipolar omni-directional radiating element equates that a plurality of described combination bipolar omni-directional radiating elements are formed high-gain omni-directional antenna.
8. as claim 1,4 or 5 described quadrature dual-polarization omnidirectional antennas, it is characterized in that described support column bottom is provided with metab.
9. quadrature dual-polarization omnidirectional antenna as claimed in claim 8 is characterized in that, described metab is circle or polygon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910189202.4A CN102104202B (en) | 2009-12-21 | 2009-12-21 | Quadrature dualpolarized omnidirectional antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910189202.4A CN102104202B (en) | 2009-12-21 | 2009-12-21 | Quadrature dualpolarized omnidirectional antenna |
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| Publication Number | Publication Date |
|---|---|
| CN102104202A true CN102104202A (en) | 2011-06-22 |
| CN102104202B CN102104202B (en) | 2014-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200910189202.4A Expired - Fee Related CN102104202B (en) | 2009-12-21 | 2009-12-21 | Quadrature dualpolarized omnidirectional antenna |
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| CN (1) | CN102104202B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106233532A (en) * | 2014-02-18 | 2016-12-14 | 菲尔特罗尼克无线公司 | Broad-band antenna, multiband antenna unit and aerial array |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100336269C (en) * | 2004-07-28 | 2007-09-05 | 西安海天天线科技股份有限公司 | Four-polarization six-sector array omnidirectional antenna |
| CN2729936Y (en) * | 2004-09-23 | 2005-09-28 | 西安海天天线科技股份有限公司 | Multi-polarization fan region array antenna |
| TWI309899B (en) * | 2006-09-01 | 2009-05-11 | Wieson Technologies Co Ltd | Dipolar antenna set |
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2009
- 2009-12-21 CN CN200910189202.4A patent/CN102104202B/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106233532A (en) * | 2014-02-18 | 2016-12-14 | 菲尔特罗尼克无线公司 | Broad-band antenna, multiband antenna unit and aerial array |
| CN113285225A (en) * | 2014-02-18 | 2021-08-20 | 菲尔特罗尼克无线公司 | Broadband antenna, multiband antenna unit and antenna array |
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| Publication number | Publication date |
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| CN102104202B (en) | 2014-06-11 |
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Granted publication date: 20140611 Termination date: 20171221 |