CN103633420B - Dual-polarized broadband radiation unit and array antenna - Google Patents
Dual-polarized broadband radiation unit and array antenna Download PDFInfo
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- CN103633420B CN103633420B CN201210311139.9A CN201210311139A CN103633420B CN 103633420 B CN103633420 B CN 103633420B CN 201210311139 A CN201210311139 A CN 201210311139A CN 103633420 B CN103633420 B CN 103633420B
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Abstract
The present invention relates to a kind of dual-polarized broadband radiation unit, including uneven balanced feeding adapter and the radiating element arm group at the top being arranged on this imbalance balanced feeding adapter, this radiating element arm group includes two to mutually orthogonal sub-radiating element arm, every antithetical phrase radiating element arm is that diagonal angle is arranged, and every sub-radiating element arm includes that ring-type principal arm and at least loads minor matters, these loading minor matters connect the most different 2 points on ring-type principal arm.Relative to prior art, the dual-polarized broadband radiation unit that the present invention provides loads minor matters by increasing on radiating element arm, has further expanded the bandwidth of radiating element.Meanwhile, the dual-polarized broadband radiation unit of present invention standing-wave ratio in 1710MHz～2200MHz frequency band is less than 1.3.
Description
Technical field
The present invention relates to antenna of mobile communication base station field, especially relate to a kind of dual polarization wideband radiation list having and loading minor matters
Unit and array antenna.
Background technology
Along with fast development and the change of mobile communication, and a new generation LTE (Long Term Evolution；And WiMAX LTE)
Many systems current situation of 4G wireless broad band technology, it is desirable to save base station site installation resource to reduce the cost of networking.
It is therefore desirable to antenna can become this area problem demanding prompt solution by shared by multiple systems.And the development of wide frequency antenna unit is as base
The basis of station antenna design, is also faced with huge challenge simultaneously.
For meeting the covering requirement of GSM900+GSM1800 and GSM900+WCDMA simultaneously, operator is bipolar to double frequency
Change antenna increasingly to pay attention to.And under nested groups battle array mode, double frequency boundary condition is more complicated, high frequency oscillator is arranged in low frequency successively
Among oscillator and between low-frequency vibrator, the change on both borders causes high frequency oscillator electrically and the deterioration of radiance.But mesh
Before, some antennas not only proposes requirements at the higher level to radiation index, and the requirement to electrical specifications is the harshest, and the spoke of antenna
Penetrate unit high degree and determine the performance of antenna, also will directly influence the signal covering quality of mobile communication system.
Refer to Fig. 1, its be notification number be CN2702458Y Chinese patent disclosed in a kind of dual polarization wideband antenna radiation
The structural representation of unit.This dual polarized wide-band antenna radiating element include at least one pair of ring-type radiating element arm (1a, 1b,
2a, 2b) and corresponding with ring-type radiating element arm and connect balanced-unbalanced conversion and feed matching device (1c, 2c).Should
Ring-type radiating element arm is symmetrical relative to the central shaft of antenna radiation unit.But, at present, Carrier Requirements complete machine standing-wave ratio
Less than 1.4, this dual polarized wide-band antenna radiating element can not meet the index request of operator.
Summary of the invention
It is an object of the invention to the shortcoming overcoming prior art with not enough, it is provided that a kind of standing-wave ratio wide band radiation less than 1.3
Unit.
The present invention is achieved by the following technical solutions: a kind of dual-polarized broadband radiation unit, including imbalance-balanced feeding even
The radiating element arm group at the top connecing device and be arranged on this imbalance-balanced feeding adapter, this radiating element arm group includes two to phase
The most orthogonal sub-radiating element arm, every antithetical phrase radiating element arm is that diagonal angle is arranged, and every sub-radiating element arm includes ring-type principal arm
At least one loads minor matters, and these loading minor matters connect the most different 2 points on ring-type principal arm.
Further, these loading minor matters are the most different 2 points along the ring-type principal arm of non-radial connection, and described loading minor matters are straight-arm or curved
Arm.
Further, these loading minor matters radially connect the most different 2 points on ring-type principal arm.
Further, each radiating element arm includes that at least two loads minor matters.
Further, every sub-radiating element arm include one with ring-type principal arm cauda connected vertically.
Further, also including regulating minor matters, these regulation minor matters are arranged in loading minor matters and intersect with it.
And, present invention also offers a kind of array antenna using above-mentioned dual-polarized broadband radiation unit.
A kind of single-frequency array antenna, including reflecting plate and be arranged on reflecting plate multiple dual-polarized broadband radiation units.This pair
Polarization broadband radiating unit includes imbalance-balanced feeding adapter and the top being arranged on this imbalance-balanced feeding adapter
Radiating element arm group, this radiating element arm group includes that two to mutually orthogonal sub-radiating element arm, every antithetical phrase radiating element arm is right
Angle is arranged, and every sub-radiating element arm includes that ring-type principal arm and at least loads minor matters, and these loading minor matters connect on ring-type principal arm
The most different 2 points.
A kind of dual-frequency array antenna, including including reflecting plate, multiple low frequency radiating element being arranged on reflecting plate and dual polarization width
Radio-frequency radiation unit, this dual-polarized broadband radiation unit be arranged among this low frequency radiating element and/or two low frequency radiating element it
Between.This dual-polarized broadband radiation unit includes imbalance-balanced feeding adapter and is arranged on this imbalance-balanced feeding adapter
The radiating element arm group at top, this radiating element arm group includes that two to mutually orthogonal sub-radiating element arm, the radiation of every antithetical phrase is single
Unit's arm is that diagonal angle is arranged, and every sub-radiating element arm includes that ring-type principal arm and at least loads minor matters, and these loading minor matters connect ring
The most different 2 points on shape principal arm.
Relative to prior art, the dual-polarized broadband radiation unit that the present invention provides by increase on radiating element arm load minor matters,
Regulation minor matters and cauda, further expanded the bandwidth of radiating element.Meanwhile, the dual-polarized broadband radiation unit of the present invention exists
Standing-wave ratio in 1710MHz～2200MHz frequency band is less than 1.3.
Relative to prior art, the magnitude-phase characteristics of the array antenna feeding network of the present invention can be reflected into oscillator actinal surface more accurately,
Reduce the design difficulty realizing more Sidelobe in broadband.
Accompanying drawing explanation
Fig. 1 is the structural representation of the dual polarized wide-band antenna radiating element of a kind of prior art.
Fig. 2 is the structural representation of the dual-polarized broadband radiation unit 100 of the embodiment of the present invention 1.
Fig. 3 is the top view of the radiating element arm group 140 of the dual-polarized broadband radiation unit 100 shown in Fig. 2.
Fig. 4 is that dual-polarized broadband radiation unit 100 shown in Fig. 2 is along the sectional view loading minor matters.
Fig. 5 is the standing-wave ratio schematic diagram of the dual-polarized broadband radiation unit of the embodiment of the present invention 1.
Fig. 6 is the S parameter schematic diagram of the dual-polarized broadband radiation unit of the embodiment of the present invention 1.
Fig. 7 is the top view of the radiating element arm group 240 of the embodiment of the present invention 2.
Fig. 8 is the standing-wave ratio schematic diagram of the dual-polarized broadband radiation unit of the embodiment of the present invention 2.
Fig. 9 is the top view of the radiating element arm group 340 of the embodiment of the present invention 3.
Figure 10 is the standing-wave ratio schematic diagram of the dual-polarized broadband radiation unit of the embodiment of the present invention 3.
Figure 11 is the top view of the radiating element arm group 440 of the embodiment of the present invention 4.
Figure 12 is the standing-wave ratio schematic diagram of the dual-polarized broadband radiation unit of the embodiment of the present invention 4.
Figure 13 is the top view of the radiating element arm group 540 of the embodiment of the present invention 5.
Figure 14 is the standing-wave ratio schematic diagram of the dual-polarized broadband radiation unit of the embodiment of the present invention 5.
Figure 15 is the top view of the radiating element arm group 640 of the embodiment of the present invention 6.
Figure 16 is the standing-wave ratio schematic diagram of the dual-polarized broadband radiation unit of the embodiment of the present invention 6.
Figure 17 is the top view of the radiating element arm group 740 of the embodiment of the present invention 7.
Figure 18 is the standing-wave ratio schematic diagram of the dual-polarized broadband radiation unit of the embodiment of the present invention 7.
Figure 19 is the top view of the radiating element arm group 840 of the embodiment of the present invention 8.
Figure 20 is the standing-wave ratio schematic diagram of the dual-polarized broadband radiation unit of the embodiment of the present invention 8.
Figure 21 is that the structure of the single-frequency array antenna 110 of dual-polarized broadband radiation unit 100 composition of the embodiment of the present invention 1 is shown
It is intended to.
Figure 22 is that the structure of the dual-frequency array antenna 130 of dual-polarized broadband radiation unit 100 composition of the embodiment of the present invention 1 is shown
It is intended to.
Detailed description of the invention
Embodiment 1
Please refer to Fig. 2 and Fig. 3, wherein, Fig. 2 is the knot of dual-polarized broadband radiation unit 100 of the embodiment of the present invention 1
Structure schematic diagram, Fig. 3 is the top view of the radiating element arm group 140 of the dual-polarized broadband radiation unit 100 shown in Fig. 2.This pair
Polarization broadband radiating unit 100 includes imbalance-balanced feeding adapter 120 and radiating element arm group 140.This radiating element arm
Group 140 is arranged on the top of this imbalance-balanced feeding adapter 120.Further, this dual-polarized broadband radiation unit 100
Balanced-unbalanced feed connector 120 is arranged on a metallic reflection plate.
Concrete, this imbalance-balanced feeding adapter 120 includes outer conductor and the connecting element being arranged in outer conductor.This is outer
Conductor is arranged on metallic reflection plate.Described outer conductor, while feeding radiating element arm 140, supports and electrically connects radiation
Unit arm group 140.This connecting element includes multiple feed tab 122, and it includes horizontal part and the vertical component effect being connected with horizontal part.Feedback
Electricity sheet 122 carries out couple feed to integrated bipole broadband radiating unit, thus realizes never balanced feeding (such as coaxial feed)
To the conversion of balanced feeding, and completed the conversion of impedance matching by the different in width of feed tab 122.By fixed block (figure
Do not show) and the chuck (not shown) that is arranged on the vertical component effect of feed tab 122 described feed tab 122 is fixed on imbalance-
On the outer conductor of balanced feeding adapter 120.Further, the bottom of this imbalance-balanced feeding adapter 120 is provided with for welding
Connecing the weld tabs of cable, described weld tabs also passes metallic reflection plate, in order to connect array network.
This radiating element arm group 140 includes that two to mutually orthogonal sub-radiating element arm 142, every antithetical phrase radiating element arm is diagonal angle
Arrange.Each sub-radiating element arm 142 includes that a ring-type principal arm 142a and loads minor matters 142b, these loading minor matters 142b
It is connected with ring-type principal arm 142a diametrically.
Referring to Fig. 4, it is that dual-polarized broadband radiation unit 100 shown in Fig. 2 is along the sectional view loading minor matters.This ring-type principal arm
Between 142a and this imbalance-balanced feeding adapter 120 in certain angle theta, wherein, 45 °≤θ≤135 °.
Referring to Fig. 5, it is the standing-wave ratio schematic diagram of dual-polarized broadband radiation unit 100 shown in Fig. 2.This dual polarization wideband radiates
The unit 100 standing-wave ratio in 1710MHz～2200MHz frequency band is less than 1.3, it is possible to meet the index request of operator, practical
In communications bands such as GSM1800, CDMA2000, WCDMA, DCS, PCS.Referring to Fig. 6, it is shown in Fig. 2
The S parameter schematic diagram of dual-polarized broadband radiation unit 100, this dual-polarized broadband radiation unit 100 can preferably improve dual polarization
The S parameter convergence property of radiating element.
Embodiment 2
Referring to Fig. 7, it is the top view of radiating element arm group 240 of the embodiment of the present invention 2.The embodiment of the present invention 2 double
Polarization broadband radiating unit is roughly the same with the structure of the dual-polarized broadband radiation unit 100 of embodiment 1, differs only in: its
Radiating element arm group 240 includes two to mutually orthogonal sub-radiating element arm 242, and every antithetical phrase radiating element arm is that diagonal angle is arranged.
Each sub-radiating element arm 242 includes a ring-type principal arm 242a, loading minor matters 242b and regulation minor matters 242c, and this adds
Load minor matters 242b are straight-arm, are connected with ring-type principal arm 242a diametrically, and these regulation minor matters 242c are arranged on loading minor matters 242b
Above and just intersect with it, and regulation minor matters 242c are not connected to ring-type principal arm 242a.
Referring to Fig. 8, it is the standing-wave ratio schematic diagram of dual-polarized broadband radiation unit of the embodiment of the present invention 2.This dual polarization width
The radio-frequency radiation unit 200 standing-wave ratio in 1710MHz～2200MHz frequency band is less than 1.3, it is possible to meet the index request of operator,
It is practically applicable to the communications bands such as GSM1800, CDMA2000, WCDMA, DCS, PCS, and dual polarised radiation list can be improved
The S parameter convergence property of unit.
Embodiment 3
Referring to Fig. 9, it is the top view of radiating element arm group 340 of the embodiment of the present invention 3.The embodiment of the present invention 3 double
Polarization broadband radiating unit is roughly the same with the structure of the dual-polarized broadband radiation unit 100 of embodiment 1, differs only in: its
Radiating element arm group 340 includes two to mutually orthogonal sub-radiating element arm 342, and every antithetical phrase radiating element arm is that diagonal angle is arranged.
Each sub-radiating element arm 342 includes a ring-type principal arm 342a, loading minor matters 342b and two regulation minor matters 342c, and this adds
Load minor matters 342b are straight-arm, are connected with ring-type principal arm 342a diametrically, and these two regulation minor matters 342c are separately positioned on loading
In minor matters 242b and orthogonal to that and parallel between two regulation minor matters 342c, and be all not connected to ring-type principal arm 342a.
Referring to Figure 10, it is the standing-wave ratio schematic diagram of dual-polarized broadband radiation unit of the embodiment of the present invention 3.This dual polarization width
The radio-frequency radiation unit 300 standing-wave ratio in 1710MHz～2200MHz frequency band is less than 1.3, it is possible to meet the index request of operator,
It is practically applicable to the communications bands such as GSM1800, CDMA2000, WCDMA, DCS, PCS, and dual polarised radiation list can be improved
The S parameter convergence property of unit.
Embodiment 4
Referring to Figure 11, it is the top view of radiating element arm group 440 of the embodiment of the present invention 4.The embodiment of the present invention 4 double
Polarization broadband radiating unit is roughly the same with the structure of the dual-polarized broadband radiation unit 100 of embodiment 1, differs only in: its
Radiating element arm group 440 includes two to mutually orthogonal sub-radiating element arm 442, and every antithetical phrase radiating element arm is that diagonal angle is arranged.
Each sub-radiating element arm 342 includes that a ring-type principal arm 442a and two loads minor matters 442b, and these two loading minor matters 442b are equal
For straight-arm, it is connected with ring-type principal arm 442a diametrically respectively, and two load between minor matters 442b mutually orthogonal.
Referring to Figure 12, it is the standing-wave ratio schematic diagram of dual-polarized broadband radiation unit of the embodiment of the present invention 4.This dual polarization width
The radio-frequency radiation unit 400 standing-wave ratio in 1710MHz～2200MHz frequency band is less than 1.3, it is possible to meet the index request of operator,
It is practically applicable to the communications bands such as GSM1800, CDMA2000, WCDMA, DCS, PCS, and dual polarised radiation list can be improved
The S parameter convergence property of unit.
Embodiment 5
Referring to Figure 13, it is the top view of radiating element arm group 540 of the embodiment of the present invention 5.The embodiment of the present invention 5 double
Polarization broadband radiating unit is roughly the same with the structure of the dual-polarized broadband radiation unit 100 of embodiment 1, differs only in: its
Radiating element arm group 540 includes two to mutually orthogonal sub-radiating element arm 542, and every antithetical phrase radiating element arm is that diagonal angle is arranged.
Each sub-radiating element arm 542 includes that a ring-type principal arm 542a and two loads minor matters 542b, and these two loading minor matters 542b are
Straight-arm, is connected with ring-type principal arm 542a respectively diametrically, and is nonopiate between two loading minor matters 542b.
Referring to Figure 14, it is the standing-wave ratio schematic diagram of dual-polarized broadband radiation unit of the embodiment of the present invention 5.This dual polarization width
The radio-frequency radiation unit 600 standing-wave ratio in 1710MHz～2200MHz frequency band is less than 1.3, it is possible to meet the index request of operator,
It is practically applicable to the communications bands such as GSM1800, CDMA2000, WCDMA, DCS, PCS, and dual polarised radiation list can be improved
The S parameter convergence property of unit.
Embodiment 6
Referring to Figure 15, it is the top view of radiating element arm group 640 of the embodiment of the present invention 6.The embodiment of the present invention 6 double
Polarization broadband radiating unit is roughly the same with the structure of the dual-polarized broadband radiation unit 100 of embodiment 1, differs only in: its
Radiating element arm group 640 includes two to mutually orthogonal sub-radiating element arm 642, and every antithetical phrase radiating element arm is that diagonal angle is arranged.
Each sub-radiating element arm 642 includes that a ring-type principal arm 642a and two loads minor matters 642b, and these two loading minor matters 642b are
Curved boom, respectively along non-radial connection ring-type principal arm 642a, and two one end phases at ring-type principal arm 642a loading minor matters 642b
Hand over.
Referring to Figure 16, it is the standing-wave ratio schematic diagram of dual-polarized broadband radiation unit of the embodiment of the present invention 6.This dual polarization width
The radio-frequency radiation unit 600 standing-wave ratio in 1710MHz～2200MHz frequency band is less than 1.3, it is possible to meet the index request of operator,
It is practically applicable to the communications bands such as GSM1800, CDMA2000, WCDMA, DCS, PCS, and dual polarised radiation list can be improved
The S parameter convergence property of unit.
Embodiment 7
Referring to Figure 17, it is the top view of radiating element arm group 740 of the embodiment of the present invention 7.The embodiment of the present invention 7 double
Polarization broadband radiating unit is roughly the same with the structure of the dual-polarized broadband radiation unit 100 of embodiment 1, differs only in: its
Radiating element arm group 740 includes two to mutually orthogonal sub-radiating element arm 742, and every antithetical phrase radiating element arm is that diagonal angle is arranged.
Each sub-radiating element arm 742 includes that a ring-type principal arm 742a and two loads minor matters 742b, and these two loading minor matters 742b are
Straight-arm, respectively different 2 points along non-radial connection ring-type principal arm 742a.These two load can intersect between minor matters 742b or
Non-intersect, in the present embodiment, these two load minor matters 742b and are parallel to each other.
Referring to Figure 18, it is the standing-wave ratio schematic diagram of dual-polarized broadband radiation unit of the embodiment of the present invention 7.This dual polarization width
The radio-frequency radiation unit 700 standing-wave ratio in 1710MHz～2200MHz frequency band is less than 1.3, it is possible to meet the index request of operator,
It is practically applicable to the communications bands such as GSM1800, CDMA2000, WCDMA, DCS, PCS, and dual polarised radiation list can be improved
The S parameter convergence property of unit.
Embodiment 8
Referring to Figure 19, it is the axonometric chart of the embodiment of the present invention 8 dual-polarized broadband radiation unit.It is bipolar with embodiment 1
The structure changing broadband radiating unit 100 is roughly the same, differs only in: this radiating element arm group 840 includes two to mutually orthogonal
Sub-radiating element arm 842, every antithetical phrase radiating element arm be diagonal angle arrange.Each sub-radiating element arm 842 includes that one is ring-type
Principal arm 842a, loading minor matters 842b and a cauda 842d, these loading minor matters 842b are diametrically with ring-type principal arm 842a even
Connecing, this cauda 842d is vertical with ring-type principal arm 842a to be connected.
Referring to Figure 20, it is the schematic diagram of dual-polarized broadband radiation unit standing-wave ratio shown in Figure 18.The radiation of this dual polarization wideband is single
Unit's 800 standing-wave ratios in 1710MHz～2200MHz frequency band are less than 1.3, it is possible to meet the index request of operator, be practically applicable to
The communications bands such as GSM1800, CDMA2000, WCDMA, DCS, PCS, and the S of dual-polarization radiating unit can be improved
Parameter convergence property.
Embodiment 9
Refer to Figure 21, its be the embodiment of the present invention 1 dual-polarized broadband radiation unit 100 composition single-frequency array antenna 110
Structural representation.This single-frequency array antenna 110 is the dual-polarization radiating unit 100 application under monofrequency radiation border.This battle array
Array antenna 110 includes housing 112 and the dual-polarized broadband radiation unit 100 of multiple present invention being arranged in housing 112.Housing
112 have base plate 112a and pair of side plates 112b being bent to form from longitudinal both sides of base plate 112a.The plurality of dual polarization width
Radio-frequency radiation unit 100 is arranged on described base plate 112a in a row side by side.Described each dual-polarized broadband radiation unit 100 is by one
The individual reflection cavity 114 being arranged on base plate 112a around dual-polarized broadband radiation unit 100 to improve array antenna 110 directional diagram
Horizontal plane beam angle convergence.
Embodiment 10
Refer to Figure 22, its be the embodiment of the present invention 1 dual-polarized broadband radiation unit 100 composition dual-frequency array antenna 130
Structural representation.This dual-frequency array antenna 130 is the dual-polarization radiating unit 100 application under dual frequency radiation border.Its with
The structure of the single-frequency array antenna 110 of embodiment 9 is roughly the same, differs only in: also include low frequency radiating element 136, should
Dual-polarized broadband radiation unit 100 is arranged among this low frequency radiating element 136 and between two low frequency radiating element 136.
Relative to prior art, the dual-polarized broadband radiation unit of the present invention loads minor matters, tune by increasing on radiating element arm
Joint minor matters and cauda, further expanded the bandwidth of radiating element.Meanwhile, the dual-polarized broadband radiation unit of the present invention exists
Standing-wave ratio in 1710MHz～2200MHz frequency band is less than 1.3.The present invention is also concerned about the radiation characteristic of this oscillator unit, passes through
Suitable loading improve oscillator unit ± 60 ° of cross polarization discriminations, left and right polarization concordance, about ± 60 ° polarize one
The radiation indexs such as cause property.And owing to the S parameter characteristic of this oscillator unit more restrains, the array antenna feeding network of the present invention
Magnitude-phase characteristics can be reflected into oscillator actinal surface more accurately, reduce the design difficulty realizing more Sidelobe in broadband.
The invention is not limited in above-mentioned embodiment, if to the various changes of the present invention or deformation without departing from the spirit of the present invention
And scope, if within the scope of these are changed and deform claim and the equivalent technologies belonging to the present invention, then the present invention is also intended to
Comprise these to change and deformation.
Claims (7)
1. a dual-polarized broadband radiation unit, it is characterised in that: include imbalance-balanced feeding adapter and be arranged on this not
The radiating element arm group at the top of balance-balanced feeding adapter, this radiating element arm group includes two to mutually orthogonal son radiation
Unit arm, every antithetical phrase radiating element arm is that diagonal angle is arranged, and every sub-radiating element arm includes that ring-type principal arm and at least two load
Minor matters, described each loading minor matters connect the most different 2 points on ring-type principal arm, and described at least two loads minor matters orthogonal intersection.
Dual-polarized broadband radiation unit the most according to claim 1, it is characterised in that: these loading minor matters along non-radial or
Radially connecting the most different 2 points on ring-type principal arm, described loading minor matters are straight-arm or curved boom.
Dual-polarized broadband radiation unit the most according to claim 1, it is characterised in that: every sub-radiating element arm includes
One with ring-type principal arm cauda connected vertically.
4. according to the dual-polarized broadband radiation unit described in any claim in claim 1-3, it is characterised in that: also wrap
Including regulation minor matters, these regulation minor matters are arranged in loading minor matters and intersect with it.
Dual-polarized broadband radiation unit the most according to claim 4, it is characterised in that: this ring-type principal arm and this imbalance-
Angle theta between the connecting element of balanced feeding adapter is 45 °≤θ≤135 °.
6. a single-frequency array antenna, it is characterised in that: include reflecting plate and be arranged on reflecting plate multiple as right want
Seek the dual-polarized broadband radiation unit described in any one in 1-5.
7. a dual-frequency array antenna, it is characterised in that: include reflecting plate, multiple low frequency radiation list being arranged on reflecting plate
Dual-polarized broadband radiation unit described in any one in unit and claim 1-5, this dual-polarized broadband radiation unit is arranged on this
Among low frequency radiating element and/or between two low frequency radiating element.
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| CN201210311139.9A CN103633420B (en) | 2012-08-28 | 2012-08-28 | Dual-polarized broadband radiation unit and array antenna |
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| CN201210311139.9A CN103633420B (en) | 2012-08-28 | 2012-08-28 | Dual-polarized broadband radiation unit and array antenna |
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| CN104157961A (en) * | 2014-08-11 | 2014-11-19 | 国家电网公司 | Wideband dual-polarized antenna for mobile communication and radiation units thereof |
| CN106450708A (en) * | 2016-12-21 | 2017-02-22 | 武汉虹信通信技术有限责任公司 | Radiating unit for double-band nested base station antenna |
| NO20170110A1 (en) * | 2017-01-25 | 2018-07-26 | Norbit Its | Wideband antenna balun |
| CN107508048A (en) * | 2017-07-10 | 2017-12-22 | 佛山市波谱达通信科技有限公司 | A kind of directional antenna arrangement |
| CN108232401A (en) * | 2018-01-02 | 2018-06-29 | 广东盛路通信科技股份有限公司 | High-performance UWB Antenna oscillator |
| CN108511913B (en) * | 2018-05-03 | 2022-09-30 | 京信通信技术(广州)有限公司 | Base station antenna and dual-polarized antenna oscillator thereof |
| CN110752432B (en) * | 2018-07-23 | 2021-06-22 | 京信通信技术(广州)有限公司 | Half-coupling feed low-frequency radiating element and multi-system co-body antenna |
| CN111600115B (en) * | 2020-06-28 | 2021-02-26 | 西安电子科技大学 | Broadband dual-frequency dual-polarized filtering base station antenna |
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| CN101714701A (en) * | 2009-12-21 | 2010-05-26 | 京信通信系统（中国）有限公司 | Dual-band and dual-polarization array antenna |
| CN102110875A (en) * | 2010-12-21 | 2011-06-29 | 东莞市晖速天线技术有限公司 | Mobile communication base station and wideband dual-polarization vibrator thereof |
| CN102117961A (en) * | 2011-03-17 | 2011-07-06 | 广东通宇通讯股份有限公司 | Wideband dual polarization directional radiation unit and antenna |
| CN202178382U (en) * | 2011-08-23 | 2012-03-28 | 武汉虹信通信技术有限责任公司 | Wide-frequency bipolarization low-isolation die-casting radiating unit |
| CN202268478U (en) * | 2011-09-28 | 2012-06-06 | 东莞市晖速天线技术有限公司 | Wideband dual-polarization dipole and base station antenna with same |
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