CN115036713A - Antenna array - Google Patents
Antenna array Download PDFInfo
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- CN115036713A CN115036713A CN202210711950.XA CN202210711950A CN115036713A CN 115036713 A CN115036713 A CN 115036713A CN 202210711950 A CN202210711950 A CN 202210711950A CN 115036713 A CN115036713 A CN 115036713A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
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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
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/0006—Particular feeding systems
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Abstract
The embodiment of the application provides an antenna array, which is applied to the technical field of wireless communication and comprises the following components: the antenna comprises a bottom plate and a plurality of horizontal array element antennas which are arranged in the vertical direction of the bottom plate, wherein each horizontal array element antenna comprises a plurality of element antennas, and the plurality of element antennas are placed in different directions to realize signal full coverage in the horizontal direction in a cooperation mode. The horizontal array element antenna is formed by the plurality of unit antennas, so that signal full coverage in the horizontal direction is realized, and further, circular polarization of the antenna is realized. Secondly, a plurality of horizontal array element antennas are stacked in the vertical direction of the bottom plate, so that high gain of the antenna array is achieved under the condition of achieving the horizontal circularly polarized antenna.
Description
Technical Field
The invention belongs to the technical field of wireless communication, and particularly relates to an antenna array.
Background
With the development of communication technology, the requirements for antennas are also higher and higher. The circularly polarized antenna has good anti-interference performance, so that the circularly polarized antenna is widely applied to various industries.
In order to realize a horizontal circularly polarized antenna, a low-elevation helical antenna or a cross dipole antenna and the like are mostly adopted in the prior art. Although the scheme can realize the horizontal circularly polarized antenna, the gain of the obtained horizontal circularly polarized antenna in the horizontal direction is generally low, and the high gain is difficult to realize.
Disclosure of Invention
The embodiment of the application provides an antenna array which is used for realizing a high-gain horizontal circularly polarized antenna.
An embodiment of the present application provides an antenna array, including:
the antenna comprises a bottom plate and a plurality of horizontal array element antennas which are arranged in the vertical direction of the bottom plate, wherein each horizontal array element antenna comprises a plurality of element antennas, and the plurality of element antennas are placed in different directions to realize signal full coverage in the horizontal direction in a cooperation mode.
Optionally, the antenna array further includes support frames fixed on the base plate, the number of the support frames corresponds to the number of the unit antennas included in one horizontal array element antenna, and each support frame is used for supporting a plurality of unit antennas in the vertical direction.
The horizontal array element antenna is formed by the plurality of unit antennas, so that signal full coverage in the horizontal direction is realized, and further, circular polarization of the antenna is realized. Secondly, a plurality of horizontal array element antennas are stacked in the vertical direction of the bottom plate, so that high gain of the antenna array is realized under the condition of realizing a horizontal circularly polarized antenna.
Optionally, the support frame is a hollow structure.
Optionally, each unit antenna includes a first radiating unit and a second radiating unit, where the first radiating unit is a microstrip antenna of a first frequency band, and the second radiating unit is a microstrip antenna of a second frequency band;
the first radiating unit is arranged on the supporting frame corresponding to the unit antenna, and the second radiating unit is arranged on the first radiating unit in a laminated mode.
Optionally, the first radiating element includes a first microstrip substrate and a first radiating patch printed on the first microstrip substrate;
the second radiating element comprises a second microstrip substrate and a second radiating patch printed on the second microstrip substrate.
Optionally, each support frame is further provided with a first power distribution network and a second power distribution network; the multiple branch ports of the first power distribution network are respectively connected with the multiple first radiation units on the support frame and used for feeding the multiple first radiation units;
and a plurality of branch ports of the second power distribution network are connected with the plurality of second radiation units on the support frame and used for feeding the plurality of second radiation units.
Optionally, a feed circuit board is mounted on the bottom plate, and the feed circuit board includes a first filter network, a second filter network, a third power division network, and a fourth power division network;
a plurality of branch ports of the third power distribution network are respectively connected with combining ports of the plurality of first power distribution networks, and the combining port of the third power distribution network is connected with the first filter network;
a plurality of branch ports of the fourth power distribution network are respectively connected with a plurality of combination ports of the second power distribution network, and a combination port of the fourth power distribution network is connected with the second filter network.
Optionally, the first filter network includes a first PCB and a filter network of a first frequency band, and is configured to suppress signals of a second frequency band;
the second filter network comprises a second PCB and a filter network of a second frequency band, and is used for suppressing signals of the first frequency band.
Optionally, the first power division network, the second power division network, the third power division network, and the fourth power division network are T-type power dividers.
Optionally, the antenna array further comprises a radome, and the radome is made of glass fiber reinforced plastic material.
In the embodiment of the application, the radiation units in the two frequency bands are stacked to form the unit antenna, the plurality of unit antennas are arranged on the same horizontal plane through the horizontal array element antenna, each unit antenna covers a certain angle, 360-degree signal full coverage in the horizontal direction is achieved, and antenna circular polarization is achieved. Secondly, a plurality of horizontal array element antennas are stacked in the vertical direction of the bottom plate, so that high gain of the antenna array is achieved under the condition of achieving the horizontal circularly polarized antenna.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments will be briefly introduced below, and it is apparent that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings may be obtained according to the drawings without inventive labor.
Fig. 1 is a front view of an antenna array according to an embodiment of the present invention;
fig. 2 is a front view of a unit antenna according to an embodiment of the present invention;
fig. 3A is a schematic structural diagram of a first power distribution network and a second power distribution network according to an embodiment of the present invention;
fig. 3B is a schematic structural diagram of an antenna array according to an embodiment of the present invention;
fig. 4A is a schematic structural diagram of a feeding circuit board according to an embodiment of the present invention;
fig. 4B is a schematic structural diagram of an L filter network according to an embodiment of the present invention;
fig. 4C is a schematic structural diagram of an S filter network according to an embodiment of the present invention;
fig. 5 is a schematic top cross-sectional view of a 4x4 antenna array according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, fig. 1 is a front view of an antenna array provided in an embodiment of the present application, including:
the antenna comprises a bottom plate 101 and a plurality of horizontal array element antennas 102 arranged in the vertical direction of the bottom plate 101, wherein each horizontal array element antenna 102 comprises a plurality of element antennas 103, and the plurality of element antennas 103 are placed in different directions to cooperatively realize signal full coverage in the horizontal direction.
In the antenna array shown in fig. 1, four horizontal array element antennas 102 are arranged in the vertical direction of the base plate 101, and each horizontal array element antenna 102 includes four element antennas 103, i.e., the antenna array is 4 × 4. Each unit antenna 103 in the horizontal array element antenna 102 covers a certain angle on the horizontal plane, so that all the coverage of 4 unit antennas 103 in 360 degrees in the horizontal direction is realized, and further, a horizontal circularly polarized antenna is realized. The 4 horizontal array element antennas 102 are stacked in the vertical direction, so that high gain of the antenna array is achieved, wherein the base plate 101 is made of metal materials and generally made of aluminum alloy materials, and the plurality of screw holes are formed in the base plate 101, so that the plurality of horizontal array element antennas can be conveniently fixed.
It should be noted that the number of horizontal array element antennas in the antenna array may also be 3, 4, 5, 6, etc., where the number of element antennas in each horizontal array element antenna may also be 3, 4, 5, 6, etc. Accordingly, the antenna arrays may be combined in a manner of 3x4, 4x4, 5x4, 4x6, etc., that is, the number of horizontal array element antennas and the number of element antennas in the antenna array are set according to the actual use requirements of the antenna in the present application.
In the implementation of the application, the horizontal array element antenna is formed by the plurality of unit antennas, so that the signal full coverage in the horizontal direction is realized, and further the circular polarization of the antenna is realized. Secondly, a plurality of horizontal array element antennas are stacked in the vertical direction of the bottom plate, so that high gain of the antenna array is realized under the condition of realizing a horizontal circularly polarized antenna.
Optionally, the antenna array further comprises a radome, and the radome is made of glass fiber reinforced plastic material.
The material of the radome may be high silica glass fiber, seed glass fiber, high silica, glass fiber, aramid fiber, or the like. By arranging the antenna housing outside the antenna array, the working reliability of the antenna array is improved, the influence of other factors on the working of the antenna array is prevented, and the influence of the antenna housing on the receiving and reflection of electromagnetic wave signals of the antenna array is reduced due to the high wave-transmitting rate of the glass fiber reinforced plastics.
Referring to fig. 1, the antenna array further includes support frames 104 fixed on the base plate, the number of the support frames 104 corresponds to the number of the unit antennas 103 included in one horizontal array element antenna 102, and each support frame 104 is used for supporting a plurality of unit antennas 103 in the straight direction.
Specifically, the antenna array supports the unit antennas 103 through the support frame 104, so that the multiple unit antennas 103 in one direction are overlapped in the vertical direction, and the effect of the high-gain antenna array is achieved, wherein the support frame 104 is made of a metal material, and an aluminum alloy material is generally used.
For example, an antenna array has a 4 × 4 structure, that is, 4 horizontal array element antennas are provided in the antenna array, where 4 element antennas are provided in each horizontal array element antenna, the number of antenna array support frames is also 4, the 4 support frames are respectively distributed in four directions of the antenna array, that is, the front, the back, the left, and the right, and each support frame is used to support 4 element antennas located in the same direction.
In some embodiments, the support frame 104 may be a hollow structure, which saves the cost of the antenna material and also reduces the weight of the whole antenna array to achieve the portability of the antenna array.
Referring to fig. 2, fig. 2 is a front view of a unit antenna provided in an embodiment of the present application.
Each unit antenna 103 comprises a first radiating unit 201 and a second radiating unit 202, wherein the first radiating unit 201 is a microstrip antenna of a first frequency band, and the second radiating unit 202 is a microstrip antenna of a second frequency band;
the first radiation unit 201 is installed on the support frame 104 corresponding to the located unit antenna, and the second radiation unit 202 is installed on the first radiation unit 201 in a stacked manner.
The first radiation unit 201 includes a first microstrip substrate 203 and a first radiation patch 204 printed on the first microstrip substrate 203; the second radiating element 202 comprises a second microstrip substrate 205 and a second radiating patch 206 printed on the second microstrip substrate.
The unit antenna 103 further comprises a screw hole 207, and the unit antenna is fixed on the support frame through a screw.
In some embodiments, the first radiation unit 201 in the unit antenna is an L radiation unit, the second radiation unit 202 is an S radiation unit, the L radiation unit is a microstrip antenna with a frequency band of 1 to 2GHz, and the S radiation unit is a microstrip antenna with a frequency band of 2 to 4 GHz; the L radiation unit is arranged on the support frame, and the S radiation unit is arranged on the L radiation unit in a laminated mode. The microstrip substrate of the L radiation unit is made of the following materials: the dielectric constant is 6.15 ceramic substrate, and the radiation paster of L radiating element is the copper-clad layer, and it is printed on the microstrip base plate of L radiating element.
The microstrip substrate of the S radiation unit is made of the following materials: the dielectric constant is 6.15 ceramic substrate, and the radiation paster of S radiation unit is the copper-clad layer, and it is printed on the microstrip base plate of S radiation unit. Meanwhile, the L radiation unit and the S radiation unit are respectively provided with a feed hole for supporting the normal work of the L radiation unit and the S radiation unit.
If the antenna array has a 4x4 structure, and the first radiation element 201 of the element antenna is an L radiation element and the second radiation element 202 is an S radiation element, the antenna array has 16 element antennas, and 16L radiation elements and 16S radiation elements are provided on the 16 element antennas.
It should be noted that the first radiation unit may also be a microstrip antenna whose radio band is any one of an L band, an S band, a C band, an X band, a Ku band, a K band, a Ka band, a U band, a V band, and a W band, and the second radiation unit is the same as above. In addition, one unit antenna may also include more than two radiating units, which is not specifically limited in this application.
Referring to fig. 3A, fig. 3A is a schematic structural diagram of a first power distribution network and a second power distribution network according to an embodiment of the present application.
Each support frame 104 is also provided with a first power distribution network 301 and a second power distribution network 302; a plurality of branch ports 303 of the first power distribution network 301 are respectively connected to the plurality of first radiation units 201 on the support frame 104, and are used for feeding the plurality of first radiation units 201; the plurality of branch ports 304 of the second power distribution network 302 are connected to the plurality of second radiation units 202 on the support frame 104, and are used for feeding the plurality of second radiation units 202. In addition, the first power distribution network further includes an intersection 305, and the second power distribution network further includes an intersection 306.
The first power distribution network 301 and the second power distribution network 302 send signals to the element antenna 103 in the form of millimeter waves, where the millimeter waves are electromagnetic wave signals with a wavelength of 1-10 mm. The first power distribution network 301 and the second power distribution network 302 are fixed to a Printed Circuit Board 307 (PCB) having a dielectric constant of 2.2 through screw holes 308. In some embodiments, the first power distribution network 301 and the second power distribution network 302 may be T-type power dividers, H-type power dividers, and the like.
In fig. 3A, the first power dividing network 301 and the second power dividing network 302 are both a one-to-four power divider, and each branch port 303 of the first power dividing network 301 is connected to one first radiation element 201, and is connected to a feed hole of the first radiation element 201 through a probe to feed the first radiation element 201. Each branch junction 304 of the second power distribution network 302 is connected to one second radiation element 202, and is connected to the feed hole of the second radiation element 202 through a probe to feed the second radiation element 202.
It should be noted that fig. 3A is only a schematic structural diagram of the first power distribution network 301 and the second power distribution network 302, and the first power distribution network 301 and the second power distribution network 302 are not limited to a one-to-four power divider, and may also be other types of power dividers, which is not limited in this application.
For example, referring to fig. 3B, the first radiation element 201 is set as an L radiation element, the second radiation element 202 is set as an S radiation element, and in the antenna array, there are 4 support frames 104, 16L radiation elements and 16S radiation elements, 4 first power division networks 301 and 4 second power division networks 302. Each support frame 104 is provided with a first power distribution network 301, a second power distribution network 302, 4L radiation units and 4S radiation units. The first power division network 301 and the second power division network 302 are both a one-to-four power division network.
For each support frame 104, the 4 branch ports 303 of the first power distribution network 301 on the support frame 104 are respectively connected with the 4L radiation units on the support frame 104 (one branch port is connected with one L radiation unit), and are used for feeding the 4L radiation units.
The 4 branch ports 304 of the second power distribution network 302 on the support frame 104 are respectively connected to the 4S radiation units on the support frame 104 (one branch port is connected to one S radiation unit), and are used for feeding the 4S radiation units.
Referring to fig. 4A, fig. 4A is a schematic diagram of a feeding circuit board in an embodiment of the present application.
The feed circuit board comprises a first filter network 401, a second filter network 402, a third power distribution network 403 and a fourth power distribution network 404; a plurality of branch ports 413 of the third power distribution network 403 are respectively connected with the combining ports 305 of the plurality of first power distribution networks 301, and the combining port 423 of the third power distribution network 403 is connected with the first filter network 401; the plurality of branch ports 414 of the fourth power dividing network 404 are respectively connected to the plurality of junction ports 306 of the second power dividing network 302, and the junction port 424 of the fourth power dividing network 404 is connected to the second filter network 402.
Specifically, the feeding circuit is printed on the PCB board 409, and the feeding circuit board is mounted on the base plate 101 through the screw holes 410.
The first filter network 401 includes a first PCB 405 and a filter network 406 of a first frequency band, for suppressing signals of a second frequency band; the second filter network 402 includes a second PCB 407 and a filter network 408 of a second frequency band for suppressing signals of the first frequency band.
In some embodiments, the third power distribution network 403 and the fourth power distribution network 404 may be a T-type power divider, an H-type power divider, and the like, the feeding circuit board includes a PCB board with a dielectric constant of 2.2, the first filter network 401 is an L filter network, the second filter network 402 is an S filter network, the third power distribution network 403 is a one-to-four L power distribution network, the fourth power distribution networks 404 are all one-to-four S power distribution networks, the L filter network is embedded in the L power distribution network, the S filter network is embedded in the S power distribution network, and the feeding circuit board further includes four screws for fixing the feeding circuit board on a bottom board of the antenna array.
The four branch ports of the L power distribution network are connected to the combining ports 305 of the 4 first power distribution networks 301 (one branch port is connected to one first power distribution network) through coaxial lines, the combining port of the L power distribution network is connected to the L filter network, and the L power distribution network combines four paths of L-band signals into one path and outputs the one path to the L filter network. The four branch ports of the S power dividing network are connected to the combining ports 306 of the 4 second power dividing networks 302 through coaxial lines (one branch port is connected to one first power dividing network), the combining port of the S power dividing network is connected to the S filter network, and the S power dividing network combines the four S-band signals into one path and outputs the path to the S filter network.
In some embodiments, the L-filter network is a microstrip low pass filter printed on a PCB board as shown in fig. 4B, and includes a PCB board 405 and an L-band filter network 406, which together form an L-band microstrip filter for suppressing S-band signals, wherein the PCB board 405 has a dielectric constant of 10.
As shown in fig. 4C, the S-filter network is a microstrip high-pass filter printed on the PCB, and includes a PCB 407 and an S-band filter network 408, which together form an S-band microstrip filter for suppressing L-band signals, where the dielectric constant of the PCB 407 is 10.
In order to better describe the antenna array in the embodiment of the present application, the following description is made by taking a 4x4 antenna array as an example:
referring to fig. 5, fig. 5 is a top view of a 4 × 4 antenna array, that is, the antenna array includes a bottom plate, four support frames fixed on the bottom plate, 4 horizontal array element antennas, 4 first power splitting networks, 4 second power splitting networks, and 1 feed circuit board, where the feed circuit board includes 1L power splitting network, 1S power splitting network, 1L filter network, and 1S filter network.
Four supports are placed in four azimuths, and every horizontal array element antenna contains 4 unit antenna, and 4 unit antenna install respectively on the support frame in four azimuths, realize that unit antenna is full coverage on same horizontal plane, and then realize horizontal circular polarized antenna, and wherein, every unit antenna includes L radiating element and S radiating element, and L radiating element installs on the support frame, and S radiating element stromatolite is installed on L radiating element. 4 horizontal array element antennas are stacked in the vertical direction, and high gain of the antenna array is achieved.
Each support frame is also provided with a first power distribution network and a second power distribution network, wherein the first power distribution network and the second power distribution network are four-in-one power dividers. The first power division network and the second power division network are provided with four branches and a combined path, the branch port of each branch of the first power division network is connected with the feed hole of the L radiation unit through the probe to feed the L radiation unit, and the branch port of each branch of the second power division network is connected with the feed hole of the S radiation unit through the probe to feed the S radiation unit.
The L power dividing network and the S power dividing network are both one-to-four power dividers, namely the L power dividing network and the S power dividing network are both provided with four branches and one combiner. The branch port of each branch of the L power dividing network is connected with the combining port of a combining network of the first power dividing network through a coaxial line, and the combining port of the combining network of the L power dividing network is connected with the input end of the L filter network; the branch port of each branch of the S power division network is connected with the combining port of a combining network of a second power division network through a coaxial line, and the combining port of the combining network of the S power division network is connected with the input end of the S filter network.
4 unit antennas are arranged on the same horizontal plane through a horizontal array element antenna, and each unit antenna covers a certain angle, so that 360-degree full coverage is realized, and antenna circular polarization of an antenna array can be realized; high gain of the antenna array is realized by stacking 4 horizontal array element antennas in the vertical direction of the bottom plate.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to the application. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (10)
1. An antenna array, comprising:
the antenna comprises a bottom plate and a plurality of horizontal array element antennas arranged in the vertical direction of the bottom plate, wherein each horizontal array element antenna comprises a plurality of unit antennas, and the plurality of unit antennas are placed in different directions to realize signal full coverage in the horizontal direction in a cooperative mode.
2. The antenna array of claim 1, further comprising support brackets fixed to the base plate, the number of the support brackets corresponding to the number of the unit antennas included in one horizontal array unit antenna, each support bracket supporting a plurality of the unit antennas in the vertical direction.
3. The antenna array of claim 2 wherein the support frame is a hollow structure.
4. The antenna array of claim 2, wherein each unit antenna comprises a first radiating unit and a second radiating unit, the first radiating unit is a microstrip antenna of a first frequency band, and the second radiating unit is a microstrip antenna of a second frequency band;
the first radiation unit is arranged on the supporting frame corresponding to the unit antenna, and the second radiation unit is arranged on the first radiation unit in a laminated mode.
5. The antenna array of claim 4, wherein the first radiating element comprises a first microstrip substrate and a first radiating patch printed on the first microstrip substrate;
the second radiating element comprises a second microstrip substrate and a second radiating patch printed on the second microstrip substrate.
6. The antenna array of claim 4, wherein each support bracket further mounts a first power splitting network and a second power splitting network; a plurality of branch ports of the first power distribution network are respectively connected with the plurality of first radiation units on the support frame and used for feeding the plurality of first radiation units;
and the plurality of branch ports of the second power distribution network are connected with the plurality of second radiation units on the support frame and used for feeding the plurality of second radiation units.
7. The antenna array of claim 6, wherein the backplane has mounted thereon a feeder circuit board, the feeder circuit board including a first filter network, a second filter network, a third power division network, and a fourth power division network;
a plurality of branch ports of the third power distribution network are respectively connected with combining ports of a plurality of first power distribution networks, and the combining port of the third power distribution network is connected with the first filter network;
the multiple branch ports of the fourth power distribution network are respectively connected with the combining ports of the multiple second power distribution networks, and the combining port of the fourth power distribution network is connected with the second filter network.
8. The antenna array of claim 7 wherein said first filter network comprises a first PCB board and a filter network for said first frequency band for suppressing signals in said second frequency band;
the second filter network comprises a second PCB and a filter network of the second frequency band, and is used for suppressing the signal of the first frequency band.
9. The antenna array of claim 7, wherein the first, second, third and fourth power division networks are T-type power dividers.
10. The antenna array of any one of claims 1 to 9, wherein the antenna array further comprises a radome, the radome being of glass fibre reinforced plastic material.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210711950.XA CN115036713A (en) | 2022-06-22 | 2022-06-22 | Antenna array |
| PCT/CN2022/113680 WO2023245849A1 (en) | 2022-06-22 | 2022-08-19 | Antenna array |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210711950.XA CN115036713A (en) | 2022-06-22 | 2022-06-22 | Antenna array |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115036713A true CN115036713A (en) | 2022-09-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210711950.XA Pending CN115036713A (en) | 2022-06-22 | 2022-06-22 | Antenna array |
Country Status (2)
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| CN (1) | CN115036713A (en) |
| WO (1) | WO2023245849A1 (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006024516A1 (en) * | 2004-08-31 | 2006-03-09 | Fractus, S.A. | Slim multi-band antenna array for cellular base stations |
| CN106469854B (en) * | 2015-08-21 | 2020-02-14 | 华为技术有限公司 | Microwave millimeter wave dual-frequency antenna |
| CN107181067A (en) * | 2016-03-10 | 2017-09-19 | 香港城市大学深圳研究院 | Omni-directional antenna arrays |
| CN106980109B (en) * | 2017-05-03 | 2020-11-03 | 四川九洲防控科技有限责任公司 | Multi-subarray low-altitude radar |
| CN209329169U (en) * | 2019-02-27 | 2019-08-30 | 山东雷诚电子科技有限公司 | A kind of S-band switching CDAA circularly disposed antenna array |
| CN112152656B (en) * | 2020-08-21 | 2021-12-14 | 浙江卓盛科技有限公司 | Intelligent antenna system |
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2022
- 2022-06-22 CN CN202210711950.XA patent/CN115036713A/en active Pending
- 2022-08-19 WO PCT/CN2022/113680 patent/WO2023245849A1/en unknown
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| WO2023245849A1 (en) | 2023-12-28 |
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