CN109004340A - Wideband dual polarized base station filter antenna unit and its array without additional filter circuit - Google Patents
Wideband dual polarized base station filter antenna unit and its array without additional filter circuit Download PDFInfo
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- CN109004340A CN109004340A CN201810692518.4A CN201810692518A CN109004340A CN 109004340 A CN109004340 A CN 109004340A CN 201810692518 A CN201810692518 A CN 201810692518A CN 109004340 A CN109004340 A CN 109004340A
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- 230000009977 dual effect Effects 0.000 title claims abstract description 26
- 239000002184 metal Substances 0.000 claims abstract description 44
- 229910052751 metal Inorganic materials 0.000 claims abstract description 44
- 230000003071 parasitic effect Effects 0.000 claims abstract description 32
- 230000010287 polarization Effects 0.000 claims abstract description 14
- 230000005855 radiation Effects 0.000 claims description 11
- 238000001914 filtration Methods 0.000 claims description 9
- 230000005764 inhibitory process Effects 0.000 claims description 4
- 238000002955 isolation Methods 0.000 abstract description 4
- 238000013461 design Methods 0.000 abstract description 3
- 238000003780 insertion Methods 0.000 abstract description 3
- 230000037431 insertion Effects 0.000 abstract description 3
- 230000002401 inhibitory effect Effects 0.000 abstract 1
- 230000003019 stabilising effect Effects 0.000 abstract 1
- 230000024241 parasitism Effects 0.000 description 14
- 238000010586 diagram Methods 0.000 description 10
- 230000008859 change Effects 0.000 description 7
- 230000008901 benefit Effects 0.000 description 5
- 238000004891 communication Methods 0.000 description 5
- 238000004088 simulation Methods 0.000 description 5
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- 238000003491 array Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001413 cellular effect Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
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- 238000012360 testing method Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/246—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for base stations
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/30—Combinations of separate antenna units operating in different wavebands and connected to a common feeder system
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- Computer Networks & Wireless Communication (AREA)
- Waveguide Aerials (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The invention discloses wideband dual polarized base station filter antenna units and its array without additional filter circuit.The antenna element is arranged among reflecting plate.The antenna includes oscillator arms, balun and two parasitic metal rings.Microstrip line minor matters are had in the oscillator arms, are fed by the balun connection, and by the balun, are provided with feeder line in the balun.Parasitic metal ring is respectively arranged with above and below the oscillator arms.The antenna element has compact and simple design feature.The present invention realizes the outer inhibitory effect of good passband and has good frequency selectivity, avoid filter Insertion Loss in the case where not cascading filter.The present invention realizes high polarization isolation, while realizing the stabilising direction figure in broadband.
Description
Technical field
The present invention relates to field of radio frequency communication more particularly to it is a kind of without additional filter circuit with highly selective compact
Type wideband dual polarized base station filter antenna unit and its composition aerial array.
Background technique
With the rapid development of the communication technology, different subarray days is required in the multifrequency antenna for base station construction of communication system
Line works in different frequency ranges.It, can be to work in the day of adjacent working frequency range but since different submatrix array antennas are relatively close apart
Line generates interference, it will causes serious coupling and then influences the antenna pattern of antenna.Therefore antenna is needed to realize well
Alien frequencies isolation.And use cascading filter or combiner/duplexer.It will cause biggish loss in this way.Filter antenna is
A kind of scheme preferably solving the problems, such as this.
Specific document such as " Y.Zhang, X.-Y.Zhang, and Y.-M.Pan, " Compact single-and dual-
band filtering patch antenna arrays using novel feeding scheme,”IEEE
Trans.Antennas Propag., vol.65, no.8, pp.4057-4066, Aug.2017. " use the feed of special construction
Line realizes the filter function of antenna, it can be difficult to being applied in the dual polarization design of antenna for base station.
A kind of patent of invention " more waves of compact of low-and high-frequency filtering oscillator interleaved arrangement of Publication No. CN106410396A
Beam antenna array " using paster antenna filtering dual polarization is realized, but the characteristics of due to this body structure of paster antenna, the work of antenna
Make bandwidth and not wide enough.A kind of patent of invention " compact multifrequency base-station antenna array " of Publication No. CN205900780U is realized
Filter function, but the invention is not carried out dual polarization and there is a problem of that bandwidth of operation is also not wide enough.
Therefore it provides a kind of filter day with highly selective Compact type broadband double-polarized base station without additional filter circuit
Line unit is urgent problem in the prior art.
Summary of the invention
The technical problem to be solved by the embodiment of the invention is that provide it is a kind of without additional filter circuit have high selection
The Compact type broadband double-polarized base station filter antenna unit and its aerial array of property, overcome traditional filter antenna Insertion Loss big, circuit
Complicated defect, and due to broadband character, band-pass filtering property and good frequency selectivity and dual polarised radiation
Feature to be more widely applied in multifrequency antenna for base station.
In order to solve the above-mentioned technical problem, the embodiment of the present invention provide it is a kind of without additional filter circuit have it is highly selective
Compact type broadband double-polarized base station filter antenna unit, can be reached by adopting the following technical scheme that.
Wideband dual polarized base station filter antenna unit without additional filter circuit, the antenna element are arranged in reflecting plate
Between；It includes oscillator arms, balun and two parasitic metal rings.With open circuit minor matters, the oscillator arms printing in the oscillator arms
It in two-sided PCB circuit board upper surface, is connected by balun floor, and is fed by the balun, is arranged in the balun
There is feeder line.Parasitic metal ring is provided with above the oscillator arms.Parasitic metal ring is provided with below the two-sided PCB circuit board.
Preferably, there are four oscillator arms, described one two opposite oscillator arms to constitute+45 ° for the dual polarized antenna unit
Linear polarization, and another two opposite oscillator arms constitute -45 ° of linear polarizations；The balun floor and the oscillator arms are all
Metal patch, balun floor lower end are connected with the reflecting plate, and upper end is connected with the oscillator arms.
Preferably, the balun feed line is the stepped variation of width, and lower end is connected with coaxial line inner core, and upper end is logical
The horizontal metal stick open circuit microstrip line opposite with position is crossed to be connected.The ground of balun is connected with the outer core of coaxial line
Preferably, the open circuit microstrip line minor matters are had in the oscillator arms.The rolling of the passband edges of controllable high band
Drop.Shape can be C-shaped microstrip line, T-type.
Preferably, becket parasitic above the oscillator arms can generate a radiation inhibition zero point, by adjusting its length
Degree size and the frequency location that zero point generation can be freely controlled with oscillator arms distance.
Preferably, becket parasitic below the oscillator arms is printed on the back side of oscillator arms dielectric-slab, can generate
One radiation inhibits zero point, and the frequency location of zero point generation can be freely controlled by size and with oscillator arms distance.
Preferably, the becket of the parasitism is circular ring shape, cross, regular polygon.
A kind of wideband dual polarized base station filter antenna cellular array comprising aforementioned without additional filter circuit, i.e., for by more
A wideband dual polarized base station filter antenna unit composition double frequency or multifrequency antenna array without additional filter circuit, for subtracting
The problem of mutual coupling between weak different frequency range leads to pattern distortion.
Compared with prior art, the invention has the advantages that and the utility model has the advantages that
1. good bandpass filtering may be implemented by addition parasitic metal ring structure and the characteristic of antenna self structure
Effect and passband Out-of-band rejection effect, passband edges have it is precipitous roll-off, while also achieve in antenna passband it is good and
Stable radiation characteristic.
2. the size of the metallic parasitic ring above and below oscillator arms can be adjusted according to actual needs to control two gains
The frequency location that zero point generates, to carry out freely independent change cake resistancet passband section.
3. having broadband, high isolation, good frequency selectivity, the stable feature of antenna pattern.
4. it is compact-sized, and can be used the manufacture of PCB processing technology cheap；Due to there is no the filter circuit of cascade complexity,
Insertion Loss is low, and has dual-polarized radiation characteristic.
Detailed description of the invention
Fig. 1 is to have highly selective Compact type broadband double-polarized base station filter antenna without additional filter circuit in example
Unit overlooking structure figure.
Fig. 2 is to have highly selective Compact type broadband double-polarized base station filter antenna without additional filter circuit in example
Unit Facad structure figure.
Fig. 3 is to have highly selective Compact type broadband double-polarized base station filter antenna without additional filter circuit in example
The dimensional decomposition structure figure of unit.
Fig. 4 is to have highly selective Compact type broadband double-polarized base station filter antenna without additional filter circuit in example
The two metallic parasitic rings and oscillator arms relative position schematic diagram of unit.
Fig. 5 is to have highly selective Compact type broadband double-polarized base station filter antenna without additional filter circuit in example
The high frequency pass band edge gain zero point of unit and the gain versus frequency simulation result diagram of top parasitic metal ring size relationship.
Fig. 6 is to have highly selective Compact type broadband double-polarized base station filter antenna without additional filter circuit in example
The low frequency pass band edge gain zero point of unit and the gain versus frequency simulation result diagram of lower section parasitic metal ring size relationship.
Fig. 7 is to have highly selective Compact type broadband double-polarized base station filter antenna without additional filter circuit in example
The gain versus frequency simulation result diagram that the high frequency pass band edge of unit roll-offs with C-shaped open circuit micro-band branch length relation.
Fig. 8 is to have highly selective Compact type broadband double-polarized base station filter antenna without additional filter circuit in example
The S parameter actual test result figure of unit.
Fig. 9 is to have highly selective Compact type broadband double-polarized base station filter antenna without additional filter circuit in example
A kind of aerial array group formation formula of unit.
Figure 10 is to filter day with highly selective Compact type broadband double-polarized base station without additional filter circuit in example
A kind of aerial array group formation formula of line unit.
Figure 11 is to filter day with highly selective Compact type broadband double-polarized base station without additional filter circuit in example
A kind of aerial array group formation formula of line unit.
Figure 12 is another embodiment knot of filter antenna oscillator arms and metallic parasitic ring provided by the embodiment of the present invention
Structure schematic diagram.
Figure 13 is another embodiment knot of filter antenna oscillator arms and metallic parasitic ring provided by the embodiment of the present invention
Structure schematic diagram.
Figure 14 is another embodiment knot of filter antenna oscillator arms and metallic parasitic ring provided by the embodiment of the present invention
Structure schematic diagram.
In figure: 1- reflecting plate, 2- oscillator arms dielectric-slab (lower-lying metal parasitism ring dielectric-slab), 3- upper metal parasitism ring are situated between
Scutum, 4- upper metal parasitism ring, the first oscillator arms of 5-, the second oscillator arms of 6-, 7- third oscillator arms, the 4th oscillator arms of 8-, 9-C
Shape open circuit minor matters, 10- balun, 11- open circuit microstrip line, 12- balun feed line, 13- horizontal metal stick, 14- lower-lying metal are parasitic
Ring, 15- single-band antenna array reflecting plate, 16- single-band antenna array oscillator, 17- dual-band antenna array reflecting plate, 18- double frequency day
Low-frequency vibrator in linear array, the high frequency oscillator in 19- dual-band antenna array, 20- multifrequency antenna array reflecting plate, 21- multifrequency
The antenna element of work in aerial array in low-frequency range, a tool without additional filter circuit in 22- multifrequency antenna array
There is highly selective Compact type broadband double-polarized base station filter antenna unit, the work in 23- multifrequency antenna array is in high band
Antenna element.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment 1
As shown in Figures 1 to 4, present embodiments providing one has highly selective compact without additional filter circuit
Wideband dual polarized base station filter antenna unit, from Fig. 1 to Fig. 3 in it can be seen that, antenna element is placed in 1 middle position of reflecting plate,
The dielectric-slab 3 of oscillator arms dielectric-slab 2 and upper metal parasitism ring is supported in order and fixed by four pieces of support baluns 10
Come, four oscillator arms are metal patch, are printed on the upper layer of oscillator arms dielectric-slab 2.
The antenna element works in the 2G/3G/4G frequency range (1.66-2.73GHz) in multi-frequency mobile communication antenna for base station,
It will be noted from fig. 1 that antenna element include the first oscillator arms 5, the second oscillator arms 6, third oscillator arms 7, the 4th oscillator arms 8,
Upper metal parasitism ring dielectric-slab 3, oscillator arms dielectric-slab (lower-lying metal parasitism ring dielectric-slab) 2, C-shaped open circuit minor matters 9, top gold
Belong to parasitic ring 4, balun feed line 12, microstrip line 10 of opening a way, horizontal metal stick 13, lower-lying metal parasitism ring 14.
In the present embodiment, the first oscillator arms 5 and the second oscillator arms 6 constitute+45 ° of polarization oscillator arms, 7 He of third oscillator arms
4th oscillator arms 8 constitute -45 ° of polarization oscillator arms；Upper metal parasitism ring 4 is arranged by taking cross-shaped configuration as an example aforementioned four
The top of a oscillator arms is printed on upper metal parasitism ring dielectric-slab 3 in the form of metal patch, and with four oscillator arms phases
It is close and contactless, since upper metal parasitism ring 4 is small at a distance from four oscillator arms, induced electricity is generated by coupling
Stream, in high band, electric current is offseted with the oscillator arms electric current on the becket, realizes a controllable high frequency radiation
Inhibit zero point.± 45 ° of polarization oscillator arms are located at the upper layer of oscillator arms dielectric-slab 2, and the lower-lying metal parasitism ring 14, with rectangle
For structure, the lower section of the oscillator arms is set, the lower surface of the dielectric-slab 2 is printed in the form of metal patch.By
It is small at a distance from four oscillator arms in the lower-lying metal parasitism ring 14, induced current, work phase are generated by coupling
When in a loop antenna, being that electric current is offseted with the oscillator arms electric current on the becket in low-frequency range, realization one controllable
The low frequency radiation of system inhibits zero point.The electric current and the upper metal parasitism ring of C-shaped open circuit minor matters 9 in the oscillator arms
4 induced current is reversed in 2.9GHz frequency point, so that radiation when offsetting the frequency point in oscillator arms, realizes precipitous roll-off.
The balun 10 is dual polarization balun, and there are four faces, is respectively equipped with balun feed on any two adjacent faces
Line 12 and open circuit microstrip line 11.12 lower end of balun feed line is connected with coaxial line inner core to be fed, and the upper end passes through
Horizontal metal stick 13 is connected with the upper end of open circuit microstrip line 11, is integrated in the balun 10 with compact structure, has small
Type and advantage easy to process.The width of the balun feed line 12 has the structure of change in ladder shape, becomes pair net
A part of network facilitates the impedance matching for realizing antenna, and is not take up additional volumes.± 45 ° of polarization of the antenna element
Oscillator arms due to the horizontal metal stick 13 needs avoid touching and being staggered causes the length of two polarized feed lines not identical,
To cause matched difference, compensation can be facilitated by the change of the length of the open circuit microstrip line 11.
As shown in figure 5, having highly selective Compact type broadband double without additional filter circuit to be provided in this embodiment
The high frequency pass band edge gain zero point of base station filter antenna unit that polarizes and the gain versus frequency of top parasitic metal ring size relationship
Simulation result diagram.The size for changing the metallic parasitic ring of top can change the position of high frequency pass band edge gain zero point.
As shown in fig. 6, having highly selective Compact type broadband double without additional filter circuit to be provided in this embodiment
The low frequency pass band edge gain zero point of base station filter antenna unit that polarizes and the gain versus frequency of lower section parasitic metal ring size relationship
Simulation result diagram.The size for changing the metallic parasitic ring of lower section can change the position of low frequency pass band edge gain zero point.
As shown in fig. 7, having highly selective Compact type broadband double without additional filter circuit to be provided in this embodiment
Roll-off imitative with the gain versus frequency of C-shaped open circuit micro-band branch length relation in the high frequency pass band edge of polarization base station filter antenna unit
True result figure.Change C-shaped open circuit micro-band branch length and can change high frequency pass band edge and roll-offs degree.
As shown in figure 8, be it is provided by one embodiment of the present invention without additional filter circuit with highly selective compact
The measured result figure of S parameter S11, S21, the S22- frequency of type wideband dual polarized base station filter antenna unit.
As can be seen above, the embodiment of the present invention has the advantages that
1, filter antenna unit size is compact, is current industrial circle higher level；
2, the antenna is suitable for frequency 1.69-2.7GHz frequency range, and work belt is wide, relative bandwidth reach 48.7% (VSWR <
1.5)；With bandpass characteristics, reach 17dB with outer gain inhibition, there is good rolloff-factor in passband edges；Polarization isolation
Reach 34dB.
3, the antenna realizes the undistorted characteristic of directional diagram in passband, meets base station side under the premise of cramped construction
Requirement to figure.
4, it is easily worked, it is easy for installation, and do not need additional circuit load.
Embodiment 2:
As shown in figure 9, being the single-frequency Bipolarization antenna for base station array of the present embodiment, including single-band antenna array reflecting plate 15
There is highly selective Compact type broadband double-polarized base station filter antenna unit without additional filter circuit with described at least one
That is single-band antenna array oscillator 16, i.e. the present embodiment are single-row aerial arrays, and antenna element is placed in single-band antenna array reflecting plate
On 15, and it is located at same level, the structure of the antenna element of the present embodiment is the same as embodiment 1.
Embodiment 3:
As shown in Figure 10, the double-frequency double-polarization base station antenna array of the present embodiment, including reflecting plate 17, at least one is without outer
Add filter circuit has in highly selective Compact type broadband double-polarized base station filter antenna unit i.e. dual-band antenna array
High frequency oscillator 19 and at least one work low-frequency vibrator 18 in antenna element, that is, dual-band antenna array of low-frequency range, i.e. this reality
Applying example is biserial aerial array, and two antenna elements are placed on dual-band antenna array reflecting plate 17, the tool without additional filter circuit
There is highly selective Compact type broadband double-polarized base station filter antenna unit 19 to be placed in one side of dual-band antenna array reflecting plate 17,
Work the other one side for being placed in dual-band antenna array reflecting plate 17 the 18 of low-frequency range, and is located at same level, the present embodiment
Antenna element structure with embodiment 1.
Embodiment 4:
As shown in figure 11, the multifrequency Bipolarization antenna for base station array of the present embodiment, including multifrequency antenna array reflecting plate 20,
At least one is (i.e. more with highly selective Compact type broadband double-polarized base station filter antenna unit 22 without additional filter circuit
One in frequency aerial array has highly selective Compact type broadband double-polarized base station filter antenna without additional filter circuit
Filtering with highly selective Compact type broadband double-polarized base station without additional filter circuit in unit multifrequency antenna array
Wave antenna unit), antenna element 21 He of at least one work of work in the multifrequency antenna array of low-frequency range in low-frequency range
The antenna element 23 of at least one running high frequency section, i.e. the present embodiment are mattress array column, and three antenna elements are placed in reflection
On plate 20, there is no additional filter circuit highly selective Compact type broadband double-polarized base station filter antenna unit 22 to be placed in instead
The centre of plate is penetrated, low-frequency antenna unit 21, which is set, has highly selective Compact type broadband double-polarized base station without additional filter circuit
One side of filter antenna unit 22, work in multifrequency antenna array are set in the antenna element 23 of high band without outside plus filter circuit
Other one side with highly selective Compact type broadband double-polarized base station filter antenna unit 22, and be located at same level
Face, the structure of the antenna element of the present embodiment is the same as embodiment 1.
In conclusion the present invention is suitable for wireless mobile communications multifrequency antenna for base station field, it can be applied to all kinds of channel radios
It is more especially suitable for the multiband in open complexity due to filtering characteristic of the invention in the reception and transmitting equipment of letter system
In standard communication scenes, the antenna for base station for the 1710-2690MHz that works；The integrated of filtering characteristic and radiation characteristic is benefited from simultaneously,
It is suitable for the integration of mobile radio system equipment and integrated, reduction design requirement, raising communication equipment
The ability of anti-adjacent frequency interference.
Above disclosed is only a preferred embodiment of the present invention, cannot limit the power of the present invention with this certainly
Sharp range, those skilled in the art can understand all or part of the processes for realizing the above embodiment, and weighs according to the present invention
Benefit requires made equivalent variations, still belongs to the scope covered by the invention.
Claims (9)
1. the wideband dual polarized base station filter antenna unit without additional filter circuit, which is characterized in that the antenna element includes
Oscillator arms, balun and parasitic metal ring with microstrip line minor matters；Bandwidth is expanded by parasitic metal ring and microstrip line minor matters
And generate the inhibition that radiation inhibits zero point to realize out-of-band radiation；Position is arranged above or below oscillator arms in the parasitic metal ring
It sets.
2. the wideband dual polarized base station filter antenna unit according to claim 1 without additional filter circuit, feature exist
In by adjusting the size of parasitic metal ring and the spacing of oscillator arms below parasitic metal ring above the oscillator arms or oscillator arms
The individually controllable bandpass filtering of inhibition zero point is radiated from realizing.
3. the wideband dual polarized base station filter antenna unit according to claim 2 without additional filter circuit, feature exist
In the metallic parasitic ring of the oscillator arms either above or below is rectangular configuration, cross-shaped configuration, circular configuration or regular polygon
Structure.
4. the wideband dual polarized base station filter antenna unit according to claim 2 without additional filter circuit, feature exist
In there are two the parasitic metal rings, and the parasitic metal ring is arranged above and below the oscillator arms simultaneously, or only individually
One parasitic metal ring is set above the oscillator arms, or a parasitic metal ring is only separately provided under the oscillator arms
Side.
5. the wideband dual polarized base station filter antenna unit according to claim 1 without additional filter circuit, feature exist
In the oscillator arms are coupled by microstrip line minor matters with the generation of parasitic metal ring, and then improve antenna selectivities and bandwidth.
6. the wideband dual polarized base station filter antenna unit according to claim 5 without additional filter circuit, feature exist
In the microstrip line minor matters shape and structure is carnival hat shape, U-shaped, C-shaped, V-arrangement or linear.
7. the wideband dual polarized base station filter antenna unit according to claim 1 without additional filter circuit, feature exist
In the structure type for being made of in the balun two parallel printed circuit boards and being connected by metal bar.
8. the wideband dual polarized base station filter antenna unit according to claim 1 without additional filter circuit, feature exist
In the dual polarized antenna unit is dipole form, and the oscillator arms constitute ± 45 ° of linear polarizations；The balun lower end and institute
It states reflecting plate to be connected, the upper end is connected with the oscillator arms.
9. one kind includes any one of the claim 1 ~ 8 wideband dual polarized base station filter antenna unit without additional filter circuit
Array, which is characterized in that it is in pairs by multiple wideband dual polarized base station filter antenna unit groups without additional filter circuit
Frequency or multifrequency antenna array.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810692518.4A CN109004340B (en) | 2018-06-29 | 2018-06-29 | Broadband dual-polarized base station filtering antenna unit without additional filtering circuit and array thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810692518.4A CN109004340B (en) | 2018-06-29 | 2018-06-29 | Broadband dual-polarized base station filtering antenna unit without additional filtering circuit and array thereof |
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| CN109004340A true CN109004340A (en) | 2018-12-14 |
| CN109004340B CN109004340B (en) | 2024-04-05 |
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| CN109713440A (en) * | 2018-12-28 | 2019-05-03 | 瑞声精密制造科技(常州)有限公司 | A kind of antenna element and array antenna |
| CN109728429A (en) * | 2019-01-07 | 2019-05-07 | 华南理工大学 | A kind of differential feed dual polarization filter antenna inhibited with two multiplied frequency harmonics |
| CN109728425A (en) * | 2018-12-18 | 2019-05-07 | 南通大学 | Dual polarization filters paster antenna |
| CN109904613A (en) * | 2019-02-19 | 2019-06-18 | 西安电子科技大学 | A kind of difference dual-band and dual-polarization filter antenna applied to 5G Sub 6GHz base station system |
| CN110783698A (en) * | 2019-11-07 | 2020-02-11 | 武汉虹信通信技术有限责任公司 | Dual-frequency radiation unit and base station antenna |
| CN111799553A (en) * | 2019-10-18 | 2020-10-20 | 扬州步微科技有限公司 | Parasitic element for antenna element and antenna element |
| CN112038758A (en) * | 2020-09-23 | 2020-12-04 | 广东曼克维通信科技有限公司 | Ultra-wideband dual-polarized radiation unit, antenna and antenna array |
| CN112448155A (en) * | 2019-09-05 | 2021-03-05 | 华为机器有限公司 | Antenna, antenna array and communication equipment |
| WO2021068852A1 (en) * | 2019-10-09 | 2021-04-15 | 华南理工大学 | Base station, and broadband dual-polarized filtering magneto-electric dipole antenna and radiation unit thereof |
| CN113314833A (en) * | 2021-04-16 | 2021-08-27 | 华南理工大学 | Low-scattering radiation unit and multi-frequency common-aperture antenna array |
| CN113471669A (en) * | 2021-07-02 | 2021-10-01 | 安徽大学 | 5G broadband dual-polarized base station antenna with multimode resonance structure |
| CN114389012A (en) * | 2020-10-21 | 2022-04-22 | ***通信有限公司研究院 | Antenna device |
| WO2022089376A1 (en) * | 2020-10-31 | 2022-05-05 | 华为技术有限公司 | Multi-frequency fusion base station antenna, and communication device |
| CN114824769A (en) * | 2022-04-11 | 2022-07-29 | 苏州全信通讯科技有限公司 | High-isolation dual-polarized radiation device with spatial filtering function |
| CN116191026A (en) * | 2023-02-01 | 2023-05-30 | 广东工业大学 | Multiband dual polarized antenna |
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