CN102104202B - Quadrature dualpolarized omnidirectional antenna - Google Patents
Quadrature dualpolarized omnidirectional antenna Download PDFInfo
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- CN102104202B CN102104202B CN200910189202.4A CN200910189202A CN102104202B CN 102104202 B CN102104202 B CN 102104202B CN 200910189202 A CN200910189202 A CN 200910189202A CN 102104202 B CN102104202 B CN 102104202B
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- dualpolarized
- support column
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- 230000005855 radiation Effects 0.000 claims abstract description 15
- 239000002184 metal Substances 0.000 claims abstract description 8
- 239000000203 mixture Substances 0.000 claims description 6
- 238000010276 construction Methods 0.000 claims description 2
- 229910052755 nonmetal Inorganic materials 0.000 claims 1
- 230000010287 polarization Effects 0.000 abstract description 12
- 238000010295 mobile communication Methods 0.000 abstract description 10
- 238000005516 engineering process Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 238000005457 optimization Methods 0.000 description 4
- 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
- 230000009977 dual effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 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 dualpolarized omnidirectional antenna.
Background technology
Along with the development of mobile communication technology, the development of the 3G technology take TD-SCDMA technology as representative is maked rapid progress.Mobile communication number of users constantly increases now, and type of service is also tending towards variation, and frequency resource is restricting the development of mobile communication, and 3G smart antenna is one of technology solving frequency resource deficiency.Along with the development of CDMA and LTE (Long Term Evolution, Long Term Evolution) technology, require the antenna that is applied to LTE system to meet polarization diversity, to improve power system capacity.
Omnidirectional antenna is in the market generally single polarization or vertical-horizontal dual polarization, can not adapt to the requirement of mobile communication to polarization diversity.Wait in expectation be especially applied to indoor covering ± 45 ° of dual-polarization omnidirectional antennas.
Summary of the invention
The object of the embodiment of the present invention is to provide a kind of quadrature dualpolarized omnidirectional antenna that polarization diversity requires that meets.
The embodiment of the present invention is to realize like this, a kind of quadrature dualpolarized omnidirectional antenna, comprise: support column and at least three ± 45 ° quadrature dualpolarized unit being located at described support column, described at least three ± 45 ° quadrature dualpolarized unit are in same plane, and described at least three ± 45 ° quadrature dualpolarized unit equidistantly wait angle to distribute around the axle center of described support column.
Described in the embodiment of the present invention ± 45 ° of quadrature dualpolarized unit combine with-45 ° of two mutually orthogonal oscillator of secondary polarised direction by+45 °.
Described in the embodiment of the present invention ± 45 ° of quadrature dualpolarized unit are ± 45 ° of orthogonal gap radiation unit, ± 45 ° of orthogonal micro-band half-wave dipoles, ± 45 ° of orthogonal metal half-wave dipoles or square shaped microstrip radiating element; Multiple ± 45 ° quadrature dualpolarized unit composition combination bipolar omni-directional radiating element.
The cross section of support column described in the embodiment of the present invention is circle or regular polygon, and the length of described oscillator base is identical, and ° quadrature dualpolarized unit, described ± 45 equates to the distance at support column center.
Support column described in the embodiment of the present invention is axially established multiple identical combination bipolar omni-directional radiating elements, and adjacent combination bipolar omni-directional radiating element spacing equates, multiple combination bipolar omni-directional radiating element composition high-gain omni-directional antennas.
The bottom of support column described in the embodiment of the present invention is provided with metab.
In the embodiment of the present invention several ± 45 ° of quadrature dualpolarized unit in same plane and etc. angle distribute and form combination bipolar omni-directional radiating element, encourage respectively two groups of same polarization oscillators in described combination bipolar omni-directional radiating element etc. amplitude same-phase signal via the transmission line of coaxial cable or other form, can produce circular horizontal plane directional diagram, described combination bipolar omni-directional radiating element just meets ± 45 ° of quadrature dualpolarized omnidirectional radiation conditions, this by just realized ± 45 ° of quadrature dualpolarizeds of the some ± 45 ° omnidirectional antenna that quadrature dualpolarized radiating element combines, meet the polarization diversity requirement of mobile communication, break the situation of only having could realize ± 45 ° of quadrature dualpolarized diversity of directional antenna, make network planning network optimization have more flexibility.Be located at the axial multiple identical combination bipolar omni-directional radiating element composition high-gain omni-directional antenna of support column.Combination bipolar omni-directional radiating element with metab is specially adapted to indoor covering, can adjust as requested the angle on wave beam and ground, is beneficial to the network optimization.
Accompanying drawing explanation
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 quadrature dualpolarized oscillator structure schematic diagram;
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 object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Embodiment mono-
As depicted in figs. 1 and 2, the present embodiment provides the quadrature dualpolarized omnidirectional antenna with four identical ± 45 ° of quadrature dualpolarized unit 1, ° quadrature dualpolarized unit, described ± 45 1 is ± 45 ° of orthogonal gap radiation unit, ± 45 ° of orthogonal micro-band half-wave dipoles, ± 45 ° of orthogonal metal half-wave dipoles or square shaped microstrip radiating element, the present embodiment preferably ± 45 ° of orthogonal metal half-wave dipoles, a combination radiation unit of these four ± 45 ° orthogonal metal half-wave dipole compositions, the radius of circle of described combination radiation cell distribution determines the deviation in roundness of horizontal directivity pattern, while encouraging respectively two groups of same polarization oscillators in oscillator group etc. amplitude same-phase signal via the transmission line of coaxial cable or other form, can produce circular horizontal plane directional diagram, as shown in Figure 5, this combination radiation unit just meets ± 45 ° of quadrature dualpolarized omnidirectional radiation conditions, therefore described combination radiation unit 4 is also called as combination bipolar omni-directional radiating element, this by just realized ± 45 ° of quadrature dualpolarizeds of the some ± 45 ° omnidirectional antenna that quadrature dualpolarized radiating element combines, meet the polarization diversity requirement of mobile communication, make network planning network optimization have more flexibility.Support column 2 is located at by the oscillator base 3 vertical with described support column 2 in ° quadrature dualpolarized unit 1, described ± 45, adjacent described ± angle between 45 ° of quadrature dualpolarized unit is 90 °, described support column 2 cross sections are circle or regular polygon, the cross section of support column 2 described in the present embodiment is square, the length of described oscillator base 3 is identical, and ° quadrature dualpolarized unit, described ± 45 1 equates to the distance of support column.Support column 2 described in the present embodiment is metal or nonmetallic supporting construction.For reaching high-gain, described support column is axially established multiple 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, these multiple combination bipolar omni-directional radiating element composition high-gain omni-directional antennas.
As shown in Figure 3, ° quadrature dualpolarized unit 1, described ± 45 by with horizontal plane angle be+45 ° or-45 ° two secondary oscillator is crossing forms, this two secondary oscillator is orthogonal.
Embodiment bis-
As shown in Figure 4, the present embodiment provides a kind of quadrature dualpolarized omnidirectional antenna for indoor covering, is with the difference of the first embodiment, and described support column 2 bottoms are provided with metab 5, and described metab 5 is circle or polygon.The present embodiment is particularly suitable for general indoor place.
Described in the present invention, combine bipolar omni-directional radiating element two-way ± 45 ° orthogonal polarization diversity signal can be provided in 360 ° of coverages of horizontal plane, when making an omnidirectional antenna realize uplink and downlink signal, transmitting-receiving, has met the polarization diversity requirement of mobile communication.The power radiation pattern of described combination bipolar omni-directional radiating element is the omni-directional pattern covering within the scope of 360 ° in horizontal plane, can change the square directional diagram of horizontal plane by adjusting antenna electrical design in addition.The identical combination bipolar omni-directional radiating element of many groups can form the quadrature dualpolarized omnidirectional antenna of high-gain on request, and accomplishes Sidelobe Suppression, null-fill, the adjustable electronic angle of declination of antenna power pattern by adjusting the power division of this omnidirectional antenna.Combination bipolar omni-directional radiating element with metab is specially adapted to indoor covering, can adjust as requested the angle on wave beam and ground, is beneficial to the network optimization.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (8)
1. a quadrature dualpolarized omnidirectional antenna, it is characterized in that, described quadrature dualpolarized omnidirectional antenna comprises support column and is located at four ± 45 ° quadrature dualpolarized unit of described support column, described four ± 45 ° quadrature dualpolarized unit are in same plane, and described four ± 45 ° quadrature dualpolarized unit equidistantly wait angle to distribute around the axle center of described support column; Support column is located at by the oscillator base vertical with described support column in ° quadrature dualpolarized unit, described ± 45, adjacent described ± angle between 45 ° of quadrature dualpolarized unit is 90 °; Place, be parallel to ± 45 ° of quadrature dualpolarized unit of described support column plane.
2. quadrature dualpolarized omnidirectional antenna as claimed in claim 1, is characterized in that, ° quadrature dualpolarized unit, described ± 45 combines with-45 ° of two mutually orthogonal oscillator of secondary polarised direction by+45 °.
3. quadrature dualpolarized omnidirectional antenna as claimed in claim 1 or 2, it is characterized in that, a ° quadrature dualpolarized unit, described ± 45 is ± 45 ° of orthogonal gap radiation unit, ± 45 ° of orthogonal micro-band half-wave dipoles, ± 45 ° of orthogonal metal half-wave dipoles or square shaped microstrip radiating element; ° quadrature dualpolarized unit, multiple ± 45 forms combination bipolar omni-directional radiating element.
4. quadrature dualpolarized omnidirectional antenna as claimed in claim 1, is characterized in that, described support column cross section is circle or regular polygon, and the length of described oscillator base is identical, and ° quadrature dualpolarized unit, described ± 45 equates to the distance of described support column.
5. the quadrature dualpolarized omnidirectional antenna as described in claim 1 or 4, is characterized in that, described support column is metal or nonmetal supporting construction.
6. quadrature dualpolarized omnidirectional antenna as claimed in claim 3, it is characterized in that, described combination bipolar omni-directional radiating element has multiple, multiple 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, multiple described combination bipolar omni-directional radiating element composition high-gain omni-directional antennas.
7. the quadrature dualpolarized omnidirectional antenna as described in claim 1 or 4, is characterized in that, described support column bottom is provided with metab.
8. quadrature dualpolarized omnidirectional antenna as claimed in claim 7, 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102104202A CN102104202A (en) | 2011-06-22 |
| CN102104202B true CN102104202B (en) | 2014-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910189202.4A Expired - Fee Related CN102104202B (en) | 2009-12-21 | 2009-12-21 | Quadrature dualpolarized omnidirectional antenna |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2523201B (en) * | 2014-02-18 | 2017-01-04 | Filtronic Wireless Ab | A multiband antenna with broadband and parasitic elements |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1599138A (en) * | 2004-07-28 | 2005-03-23 | 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 |
| US7310066B1 (en) * | 2006-09-01 | 2007-12-18 | Wieson Technologies Co., Ltd. | Dual polarized antenna |
-
2009
- 2009-12-21 CN CN200910189202.4A patent/CN102104202B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1599138A (en) * | 2004-07-28 | 2005-03-23 | 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 |
| US7310066B1 (en) * | 2006-09-01 | 2007-12-18 | Wieson Technologies Co., Ltd. | Dual polarized antenna |
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| CN102104202A (en) | 2011-06-22 |
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