CN203631730U - Radiation unit of dual-polarized antenna - Google Patents
Radiation unit of dual-polarized antenna Download PDFInfo
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- CN203631730U CN203631730U CN201320835964.9U CN201320835964U CN203631730U CN 203631730 U CN203631730 U CN 203631730U CN 201320835964 U CN201320835964 U CN 201320835964U CN 203631730 U CN203631730 U CN 203631730U
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Abstract
Provided is a radiation unit of a dual-polarized antenna. The radiation unit comprises a medium substrate and two layers of same oscillator units, the two layers of oscillator units are correspondingly arranged at an upper layer and a lower layer of the medium substrate, the two layers of oscillator units perform feeding via two coaxial feed lines, each layer of oscillator unit employs a cross intersected microstrip structure, each layer of oscillator unit comprises four oscillator arms, each oscillator arm is provided with two beveled edges, the two beveled edges of the oscillator arms are vertical to each other, the beveled edges of adjacent oscillator arms are consistent with each other, gaps are provided between the adjacent beveled edges, adjacent beveled edges are provided with extending portions, and the adjacent extending portions are symmetrically arranged along the center line of the adjacent beveled edges. According to the radiation unit of the dual-polarized antenna, impedance matching can be flexibly adjusted, and corresponding covering of a frequency band is eventually achieved.
Description
Technical field
The utility model relates to antenna technical field, particularly relates to a kind of radiating element of dual polarized antenna.
Background technology
Flourish along with mobile communication, original TD-SCDMA system has started to the process of TD-LTE phyletic evolution.For TD-LTE system, except working frequency range is distributed in wider frequency range, also further give prominence to the construction of smart antenna.Compared with original Linear Array Realtime antenna for base station, the form of the smart antenna using two-dimensional array in TDD system is estimated in conjunction with up incoming wave, realize with main beam registration signal, aim at the adaptive direction figure disturbing zero point, improved capacity and the quality of mobile communication system.In the process of base station construction, the parameter such as physical size and weight of smart antenna is strictly limited, and its radiance as gain, beamwidth, cross polarization than and front and back the each side such as compare and also have respectively different requirements at different frequency range, in multiple array structure, the situation of influencing each other between array element be can not ignore simultaneously.Because the radiating element in array antenna has determined the multinomial performance of antenna to a great extent, therefore above mentioned factor has all strengthened the design difficulty of array element.
In conventional art, provide the radiating element of the indoor dual polarized antenna of TD-LTE, adopt the dual polarization vibrator unit of realized ± 45 ° of perpendicular polarizations of right-angled intersection microstrip structure (two-layer up and down), and utilized highly for quarter-wave coaxial line and support column are welded in copper supporting bracket.The oscillator of different polarised directions carries out feed by being distributed in the upper and lower double layer of metal bridge of double face copper respectively.Meanwhile, the double tin through hole of crossing on dual polarization vibrator unit radiation arm, by the short circuit of levels oscillator, is realized standing wave Broadband Matching.The resonance point of the capable of regulating dual polarization vibrator unit, coupling gap between different polarised direction oscillators, the guiding post into and can make on radiation arm CURRENT DISTRIBUTION even of radiation arm terminal.
In conventional art, adjust the mode underaction of the resonance point of dual polarization vibrator unit by coupling gap.If adjust the length in gap, the distortion that can bring oscillator unit, causes the distribution of electric current on oscillator to change, and can exert an influence to radiance; If adjust the width in gap, likely occur that width is very little also cannot meet the demands.Can make the CURRENT DISTRIBUTION on radiation arm more even although the mode of post is guided in utilization into, guiding the electric current distributing on post into can exert an influence to radiation parameter.Meanwhile, the appearance meeting of guiding post into impacts the coupling of oscillator, becomes the sensible factor of oscillator match parameter, and this will and install processing and propose high requirement.And additional mode of guiding post into has also increased difficulty and cost that oscillator is installed on medium substrate.
Utility model content
Based on this, being necessary, for the problem that can not effectively adjust resonance point, provides a kind of radiating element of dual polarized antenna.
A radiating element for dual polarized antenna, comprising: medium substrate, two-layer identical oscillator unit,
It is two-layer up and down that two-layer oscillator unit correspondence is arranged at medium substrate, and two-layer oscillator unit carries out feed by two coaxial feeders,
Every layer of oscillator unit adopts right-angled intersection microstrip structure, every layer of oscillator unit comprises four oscillator arms, each oscillator arms is equipped with two hypotenuses, two hypotenuses of oscillator arms are mutually vertical, the hypotenuse of adjacent vibration generators arm matches and adjacent hypotenuse exists gap, on adjacent hypotenuse, be equipped with extension, adjacent extension is symmetrical arranged about the center line of adjacent hypotenuse.
The radiating element of above-mentioned dual polarized antenna, comprise two coaxial feeders, medium substrate, two-layer identical oscillator unit, every layer of oscillator unit adopts right-angled intersection microstrip structure, every layer of oscillator unit comprises four oscillator arms, each oscillator arms is equipped with two hypotenuses, two hypotenuses of oscillator arms are mutually vertical, the hypotenuse of adjacent vibration generators arm matches and adjacent hypotenuse exists gap, by be equipped with extension on adjacent hypotenuse, adjacent extension is symmetrical arranged about the center line of adjacent hypotenuse, the mode of utilizing different polarization oscillator parts to extend extension is adjusted the degree of coupling between oscillator, can adjust flexibly impedance matching, finally realize the corresponding covering to frequency band.
Accompanying drawing explanation
Fig. 1 is the structural representation of the radiating element embodiment mono-of the utility model dual polarized antenna;
Fig. 2 is the structural representation of one of them oscillator arms in the radiating element embodiment of the utility model dual polarized antenna;
Fig. 3 is the upper strata oscillator cellular construction schematic diagram of the radiating element embodiment bis-of the utility model dual polarized antenna;
Fig. 4 is lower floor's oscillator cellular construction schematic diagram of the radiating element embodiment bis-of the utility model dual polarized antenna;
Fig. 5 is that the radiating element of the utility model dual polarized antenna specifically uses exemplary construction schematic diagram;
Fig. 6 is the simulation result that adopts the standing-wave ratio parameter of the dual polarized antenna of the utility model radiating element;
Fig. 7 is the isolation between the different polarised direction ports of the radiating element of the utility model dual polarized antenna.
Embodiment
Be described in detail for each embodiment of the radiating element of the utility model dual polarized antenna below.
As shown in Figure 1, for the structural representation of the radiating element embodiment mono-of the utility model dual polarized antenna, comprising: medium substrate 110, two-layer identical oscillator unit 120 and 130.Wherein, 130 in medium substrate lower floor, in figure, does not illustrate.
It is two-layer up and down that two- layer oscillator unit 120 and 130 correspondences are arranged at medium substrate 110, and two- layer oscillator unit 120 and 130 carries out feed by two coaxial feeders.As a kind of implementation arranging, can be to be printed on medium substrate by printing oscillator unit, can be with low cost, quality is light, processing is installed simple.Because two-layer oscillator unit is identical, therefore can realize correspondence and be printed on medium substrate, make the oscillator arms of upper and lower oscillator unit corresponding one by one.In each oscillator arms, can be provided with at least one by the metal throuth hole of upper and lower two-layer oscillator arms short circuit, thereby connection is two-layer up and down, realizes corresponding feed.By in the upper and lower two-layer identical oscillator unit 120 and 130 that arranges, impedance matching and facilitate feed better.
Every layer of oscillator unit adopts right-angled intersection microstrip structure, every layer of oscillator unit comprises four oscillator arms, each oscillator arms is equipped with two hypotenuses 121 and 122, two hypotenuses of oscillator arms are mutually vertical, the hypotenuse of adjacent vibration generators arm matches and adjacent hypotenuse exists gap 140, on adjacent hypotenuse, being equipped with extension 150(is to be equipped with extension on each hypotenuse, only shows the extension on a hypotenuse wherein in figure), adjacent extension is symmetrical arranged about the center line of adjacent hypotenuse.Extension can be the metal derby of rectangle, and concrete size and length are set as required.
The present embodiment is by going out to have loaded extension at hypotenuse, and the distance between oscillator arms extension and adjacent extension, both width and length, can effectively adjust resonance frequency.And at extension spacing and extension width constant in the situation that, only change and can make the frequency ratio of resonance frequency change in the larger context by extension length, realize the flexible control to impedance matching, for further engineering debug leaves sufficient space.This programme goes in TDD system, has realized the corresponding covering to FAD frequency band.
In an embodiment, oscillator arms comprises the Part I and the Part II that lay respectively at symmetrical centre both sides therein, and Part I and Part II are about symmetrical centre symmetry, and two hypotenuses of oscillator arms are about symmetrical centre symmetry.Due to oscillator arms is designed to symmetrical structure, so each oscillator arms has a symmetrical centre, and two hypotenuses are about this symmetrical centre symmetry.
In an embodiment, as shown in Figure 2, oscillator arms can be divided into inside portion 210, pars intermedia 220, outside portion 230 therein, position, two hypotenuse places is called to the inside portion of oscillator arms, pars intermedia hollow out.By the metal of oscillator arms mid portion is hollowed out, only leave the narrow metal edges on outline, can limit the current flow path on oscillator, and optimize impedance Broadband Matching.
In an embodiment, as shown in Figure 2, oscillator arms can be divided into inside portion 210, pars intermedia 220, outside portion 230 therein, position, two hypotenuse places is called to the inside portion of oscillator arms, pars intermedia hollow out.Take outside portion as starting point is provided with protuberance 240 along inside portion direction at the hollow part of pars intermedia.Protuberance can be rectangular metal piece.By loading protuberance, except further making Broadband Matching impedance, can also effectively widen the covering lower limit of oscillator to low-frequency range.
In an embodiment, oscillator arms can be divided into inside portion, pars intermedia, outside portion therein, position, two hypotenuse places is called to the inside portion of oscillator arms, pars intermedia hollow out.Pars intermedia comprises profile portion, and profile portion bending arranges.Such as, as shown in Figure 2, five kinks can be set, be respectively the first kink 251, the second kink 252, the 3rd kink 253, the 4th kink 254, the 5th kink 255.By the bending of oscillator current path, reduce the lower limit frequency of oscillator work.
In an embodiment, oscillator arms comprises inside portion, outside portion therein, and two hypotenuses of oscillator arms are located at inside portion, and outside portion is provided with symmetrical two minor matters portions 261 and 262.Minor matters portion can be rectangular metal piece, and length and size are set as required.The loading saving by racemosus can not only further be made outside Broadband Matching impedance, can also effectively widen the covering lower limit of oscillator to low-frequency range.
In an embodiment, as Fig. 3 and Fig. 4, Fig. 3 is the oscillator unit that medium substrate is printed above therein, and Fig. 4 is the oscillator unit that medium substrate is printed below.The utility model also comprises the first microstrip feed line 301, the second microstrip feed line 302 and the 3rd microstrip feed line 401, oscillator arms comprises inside portion, two hypotenuses of oscillator arms are located at inside portion, every layer of oscillator unit comprises the first oscillator arms 310 and 410, the second oscillator arms 320 and 420, the 3rd oscillator arms 330 and 430 and the 4th oscillator arms 340 and 440, and arranged clockwise.Certainly so-called just putting in order of oscillator arms, specifically adjustment as required for convenience of description clockwise here.The oscillator unit of the upper and lower is one to one, such as upper strata the first oscillator arms 310 and lower floor's the first oscillator arms 410 correspondences.
The inside portion of first oscillator arms on dielectric-slab upper strata is provided with the first groove 350, the inside portion of second oscillator arms on dielectric-slab upper strata is provided with the second groove 360, on medium substrate, corresponding the first groove location is provided with the first through hole 351, on medium substrate, corresponding the second groove location is provided with the second through hole 361 and third through-hole 362, coaxial feeder comprises the first coaxial feeder and the second coaxial feeder
The first oscillator arms 410 of the outer conductor of the first coaxial feeder and medium substrate lower floor is welded, the inner wire of the first coaxial feeder is connected with the first microstrip feed line 301 by the first through hole 351, the first microstrip feed line 301 is arranged between first oscillator arms 310 and the 3rd oscillator arms 330 on medium substrate upper strata, and be connected with the 3rd oscillator arms 330 on medium substrate upper strata, the first microstrip feed line 301 can be a rectangle feeder line.
The second oscillator arms 420 of the outer conductor of the second coaxial feeder and medium substrate lower floor is welded, the inner wire of the second coaxial feeder is connected with the second microstrip feed line 302 by the second through hole 361, the second microstrip feed line 302 connects the second through hole 361 and third through-hole 362, the second microstrip line 302 is connected with the 3rd microstrip line 401 by third through-hole 362, the 3rd microstrip feed line 401 is arranged between second oscillator arms 420 and the 4th oscillator arms 440 of medium substrate lower floor, and be connected with the 4th oscillator arms 440 of medium substrate lower floor, the second microstrip feed line can be strip, the second through hole on the second microstrip feed line is near the second groove, third through-hole is away from the second groove.
Each oscillator arms is provided with at least one by the metal throuth hole of upper and lower two-layer oscillator arms short circuit.By metal throuth hole is set, can realize upper and lower two-layer oscillator unit feed.
In the present embodiment, the microstrip-fed part being positioned on medium substrate is intersection cross distribution, and is connected with the coaxial feeder inner wire in corresponding polarised direction respectively, and the outer conductor of coaxial line is connected with the understructure of corresponding oscillator arms.Wherein, the first microstrip feed line of-45 ° of polarised direction oscillators is all positioned at the upper strata of medium substrate, the microstrip feed line (the second microstrip feed line and the 3rd microstrip feed line) of+45 ° of polarised directions has effectively utilized the upper and lower surface of medium substrate, part feeder line is extended down to lower floor by the mode of metallization via hole, stagger with the microstrip feed line of another polarised direction, and be connected with the understructure of corresponding+45 ° polarization oscillator arms.Thereby realize cross feed, there is good isolation.A wherein mode, first microstrip feed line on upper strata and the second microstrip feed line of lower floor, the 3rd microstrip feed line entirety can form a cross structure.
In an embodiment, as shown in Figure 2, oscillator arms comprises inside portion therein, and two hypotenuses of oscillator arms are located at inside portion, is provided with two by the metal throuth hole of upper and lower two-layer oscillator arms short circuit 271 and 272 in inside portion.By two symmetrical metal throuth holes are set, and arranging near feed end, can reach better levels feed.
Above-described embodiment can independent assortment, such as, as shown in Figure 5, as wherein a kind of combination, the radiating element of dual polarized antenna can comprise medium substrate 540, two-layer identical oscillator unit, and medium substrate is each one deck up and down, and upper strata is 550.It is two-layer up and down that two-layer oscillator unit correspondence is arranged at medium substrate, two-layer oscillator unit carries out feed by two coaxial feeders, every layer of oscillator unit adopts right-angled intersection microstrip structure, every layer of oscillator unit comprises four oscillator arms, each oscillator arms is equipped with two hypotenuses, and two hypotenuses of oscillator arms are mutually vertical, and the hypotenuse of adjacent vibration generators arm matches and adjacent hypotenuse exists gap, on adjacent hypotenuse, be equipped with extension, adjacent extension is symmetrical arranged about the center line of adjacent hypotenuse.Be provided with two in inside portion by the metal throuth hole of upper and lower two-layer oscillator arms short circuit 561 and 562.Load protuberance 551, two minor matters portions 552 and 553 simultaneously, and profile portion bending is arranged.In the radiating element of this embodiment design, the metal of oscillator arms mid portion is hollowed out, and only leaves the narrow metal edges on outline, in order to limit the current flow path on oscillator, and optimizes impedance Broadband Matching.Meanwhile, by the bending of oscillator current path, reduced the lower limit frequency of oscillator work.At the terminal part of oscillator arms, be loaded with respectively minor matters and protuberance.The loading of multiple minor matters and protuberance is except further carrying out Broadband Matching impedance, can also effectively widen the covering lower limit of oscillator to low-frequency range, replace the post of guiding in conventional art and loaded, simplified installation steps, also reduced the error of manually bringing in the course of processing.Between the oscillator of different polarised directions, load the nearer extension of clearance distance.Distance between adjacent extension, both width and length, can effectively adjust resonance frequency.And constant in the situation that, only can make the frequency ratio of resonance frequency change in the larger context by the change of extension length at extension spacing and extension width, realize the flexible control to impedance matching.
In concrete utilization, can form dual polarized antenna with reflecting plate 510, bracing frame 520, two coaxial feeders 530.Wherein, medium substrate is fixed on reflecting plate by bracing frame, and medium substrate is parallel with reflecting plate.According to antenna performance, the line of symmetry of the oscillator arms of the oscillator unit on medium substrate parallel with reflecting plate diagonal or overlap.Coaxial feeder is arranged on bracing frame the inside.The shape of bracing frame can be different, specifically sets as required.Such as, ledge is left as the fourth of the twelve Earthly Branches in the top of metal supporting frames, corresponding with the tenon position of corresponding perforate on medium substrate, after both combinations, by being welded to connect an arm of metallic support and oscillator, the oscillator arms being connected with coaxial outer conductor with correspondence on opposite side forms the complete oscillator of balanced feeding.In addition, as a kind of optimal way, reflecting plate can be the reflecting plate with flange, the lobe width of flange control antenna that can accommodation reflex plate.
Referring to Fig. 6, for adopting the simulation result of standing-wave ratio parameter (VSWR) of dual polarized antenna of the utility model radiating element, the curve shows in figure the FAD frequency range of designed antenna energy coverage goal.Fig. 7 is the isolation between the different polarised direction ports of the utility model radiating element, and between two-port, isolation is good.
The above embodiment has only expressed several execution mode of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection range of the present utility model.Therefore, the protection range of the utility model patent should be as the criterion with claims.
Claims (9)
1. a radiating element for dual polarized antenna, is characterized in that, comprising: medium substrate, two-layer identical oscillator unit,
It is two-layer up and down that two-layer oscillator unit correspondence is arranged at medium substrate, and two-layer oscillator unit carries out feed by two coaxial feeders,
Every layer of oscillator unit adopts right-angled intersection microstrip structure, every layer of oscillator unit comprises four oscillator arms, each oscillator arms is equipped with two hypotenuses, two hypotenuses of oscillator arms are mutually vertical, the hypotenuse of adjacent vibration generators arm matches and adjacent hypotenuse exists gap, on adjacent hypotenuse, be equipped with extension, adjacent extension is symmetrical arranged about the center line of adjacent hypotenuse.
2. the radiating element of dual polarized antenna according to claim 1, it is characterized in that, described oscillator arms comprises the Part I and the Part II that lay respectively at symmetrical centre both sides, Part I and Part II are about symmetrical centre symmetry, and two hypotenuses of described oscillator arms are about symmetrical centre symmetry.
3. the radiating element of dual polarized antenna according to claim 1, is characterized in that, described oscillator arms comprises inside portion, pars intermedia, outside portion, and two hypotenuses of described oscillator arms are located at inside portion, described pars intermedia hollow out.
4. the radiating element of dual polarized antenna according to claim 3, is characterized in that, take outside portion as starting point is provided with protuberance along inside portion direction at the hollow part of pars intermedia.
5. the radiating element of dual polarized antenna according to claim 3, is characterized in that, pars intermedia comprises profile portion, and profile portion bending arranges.
6. the radiating element of dual polarized antenna according to claim 1, is characterized in that, described oscillator arms comprises inside portion, outside portion, and two hypotenuses of described oscillator arms are located at inside portion, and described outside portion is provided with two symmetrical minor matters portions.
7. according to the radiating element of the dual polarized antenna described in claim 1 to 5 any one, it is characterized in that, described oscillator arms comprises inside portion, outside portion, and two hypotenuses of described oscillator arms are located at inside portion, and described outside portion is provided with two symmetrical minor matters portions.
8. according to the radiating element of the dual polarized antenna described in claim 1 to 6 any one, it is characterized in that, also comprise the first microstrip feed line, the second microstrip feed line and the 3rd microstrip feed line, described oscillator arms comprises inside portion, two hypotenuses of described oscillator arms are located at inside portion, every layer of oscillator unit comprises the first oscillator arms, the second oscillator arms, the 3rd oscillator arms and the 4th oscillator arms, and arranged clockwise
The inside portion of first oscillator arms on dielectric-slab upper strata is provided with the first groove, the inside portion of second oscillator arms on dielectric-slab upper strata is provided with the second groove, on medium substrate, corresponding the first groove location is provided with the first through hole, on medium substrate, corresponding the second groove location is provided with the second through hole and third through-hole, coaxial feeder comprises the first coaxial feeder and the second coaxial feeder
The first oscillator arms welding of the outer conductor of the first coaxial feeder and medium substrate lower floor, the inner wire of the first coaxial feeder is connected with the first microstrip feed line by the first through hole, the first microstrip feed line is arranged between first oscillator arms and the 3rd oscillator arms on medium substrate upper strata, and be connected with the 3rd oscillator arms on medium substrate upper strata
The second oscillator arms welding of the outer conductor of the second coaxial feeder and medium substrate lower floor, the inner wire of the second coaxial feeder is connected with the second microstrip feed line by the second through hole, the second microstrip feed line connects the second through hole and third through-hole, the second microstrip line is connected with the 3rd microstrip line by third through-hole, the 3rd microstrip feed line is arranged between second oscillator arms and the 4th oscillator arms of medium substrate lower floor, and be connected with the 4th oscillator arms of medium substrate lower floor
Each oscillator arms is provided with at least one by the metal throuth hole of upper and lower two-layer oscillator arms short circuit.
9. according to the radiating element of the dual polarized antenna described in claim 1 to 6 any one, it is characterized in that, described oscillator arms comprises inside portion, and two hypotenuses of described oscillator arms are located at inside portion, are provided with two by the metal throuth hole of upper and lower two-layer oscillator arms short circuit in inside portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320835964.9U CN203631730U (en) | 2013-12-16 | 2013-12-16 | Radiation unit of dual-polarized antenna |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320835964.9U CN203631730U (en) | 2013-12-16 | 2013-12-16 | Radiation unit of dual-polarized antenna |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103647140A (en) * | 2013-12-16 | 2014-03-19 | 广州杰赛科技股份有限公司 | Dual-polarization antenna |
| CN107181068A (en) * | 2017-04-17 | 2017-09-19 | 广东通宇通讯股份有限公司 | High-frequency ultra-wideband dual polarization all-wave radiating element |
| CN107658553A (en) * | 2017-08-16 | 2018-02-02 | 深圳市维力谷无线技术股份有限公司 | One kind is applied to uhf band Internet of Things antenna |
| CN109193176A (en) * | 2018-07-24 | 2019-01-11 | 广东博纬通信科技有限公司 | A kind of dual polarization low-frequency vibrator unit and multi-band array antenna |
| CN110034371A (en) * | 2019-04-01 | 2019-07-19 | 深圳市信维通信股份有限公司 | Wideband base station element antenna and antenna for base station |
| CN112736433A (en) * | 2020-12-31 | 2021-04-30 | 南京中新赛克科技有限责任公司 | Dual-frequency dual-polarized dipole antenna unit for 5G |
| CN113540756A (en) * | 2021-07-15 | 2021-10-22 | 广东工业大学 | Broadband dual-polarized antenna |
| CN114788088A (en) * | 2020-02-22 | 2022-07-22 | 华为技术有限公司 | Millimeter wave packaging antenna and terminal equipment |
| WO2023102905A1 (en) * | 2021-12-06 | 2023-06-15 | 广州司南技术有限公司 | Dual-polarized antenna |
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- 2013-12-16 CN CN201320835964.9U patent/CN203631730U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103647140A (en) * | 2013-12-16 | 2014-03-19 | 广州杰赛科技股份有限公司 | Dual-polarization antenna |
| CN107181068A (en) * | 2017-04-17 | 2017-09-19 | 广东通宇通讯股份有限公司 | High-frequency ultra-wideband dual polarization all-wave radiating element |
| CN107658553A (en) * | 2017-08-16 | 2018-02-02 | 深圳市维力谷无线技术股份有限公司 | One kind is applied to uhf band Internet of Things antenna |
| CN107658553B (en) * | 2017-08-16 | 2024-01-09 | 深圳市维力谷无线技术股份有限公司 | Be applied to UHF frequency channel thing networking antenna |
| CN109193176A (en) * | 2018-07-24 | 2019-01-11 | 广东博纬通信科技有限公司 | A kind of dual polarization low-frequency vibrator unit and multi-band array antenna |
| CN110034371A (en) * | 2019-04-01 | 2019-07-19 | 深圳市信维通信股份有限公司 | Wideband base station element antenna and antenna for base station |
| CN110034371B (en) * | 2019-04-01 | 2024-01-16 | 深圳市信维通信股份有限公司 | Broadband base station oscillator antenna and base station antenna |
| CN114788088A (en) * | 2020-02-22 | 2022-07-22 | 华为技术有限公司 | Millimeter wave packaging antenna and terminal equipment |
| CN112736433A (en) * | 2020-12-31 | 2021-04-30 | 南京中新赛克科技有限责任公司 | Dual-frequency dual-polarized dipole antenna unit for 5G |
| CN113540756A (en) * | 2021-07-15 | 2021-10-22 | 广东工业大学 | Broadband dual-polarized antenna |
| CN113540756B (en) * | 2021-07-15 | 2022-08-26 | 广东工业大学 | Broadband dual-polarized antenna |
| WO2023102905A1 (en) * | 2021-12-06 | 2023-06-15 | 广州司南技术有限公司 | Dual-polarized antenna |
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Granted publication date: 20140604 Termination date: 20201216 |