CN115882220B - Broadband high-isolation magneto-electric dipole antenna for full duplex application and communication equipment - Google Patents
Broadband high-isolation magneto-electric dipole antenna for full duplex application and communication equipment Download PDFInfo
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- CN115882220B CN115882220B CN202310069956.6A CN202310069956A CN115882220B CN 115882220 B CN115882220 B CN 115882220B CN 202310069956 A CN202310069956 A CN 202310069956A CN 115882220 B CN115882220 B CN 115882220B
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- 230000010287 polarization Effects 0.000 claims abstract description 17
- 230000009977 dual effect Effects 0.000 claims abstract description 16
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- 238000005388 cross polarization Methods 0.000 description 4
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Abstract
The invention discloses a broadband high-isolation magneto dipole antenna and communication equipment for full duplex application, wherein the antenna comprises a radiation patch, a Pi-shaped feeder line, a gamma-shaped feeder line, a metal floor, a dielectric plate and a feed network, wherein the metal floor is arranged on the upper surface of the dielectric plate, the radiation patch is connected with the metal floor to form a magneto dipole, the Pi-shaped feeder line and the gamma-shaped feeder line are arranged on the dielectric plate, the Pi-shaped feeder line and the gamma-shaped feeder line are mutually orthogonal, and the feed network is arranged on the lower surface of the dielectric plate and is respectively connected with the Pi-shaped feeder line and the gamma-shaped feeder line. The invention increases the space between feeder lines and the differential feeding technology by using vertical horizontal polarization, so that the current coupling between two ports of dual polarization is extremely small, and the invention has the advantages of wide frequency band and high isolation.
Description
Technical Field
The invention relates to a magneto-electric dipole antenna, in particular to a broadband high-isolation magneto-electric dipole antenna for full duplex application and communication equipment, belonging to the technical field of wireless communication.
Background
In a mobile communication system, an antenna is a converter of a communication device circuit signal and spatially radiating electromagnetic waves, and thus a base station antenna is an important component of the mobile communication system. Its characteristics directly affect the overall performance of the overall wireless network. With the rapid development of wireless communication systems, mobile communication networks put higher demands on the performance of base station antennas. Broadband, high isolation base station antennas are highly desirable to design and develop. The magneto-electric dipole antenna has the advantages of higher impedance matching bandwidth, stable gain flatness, lower cross polarization and the like, and is particularly suitable for a wireless mobile communication system. Therefore, the magneto-electric dipole antenna with simple structure and excellent performance has wide application prospect.
Most of the existing magneto-electric dipole antennas mostly adopt classical L-shaped probe feed to excite the antennas. The same feed structure is rotated by 90 degrees to realize dual polarization, and the isolation of the antenna is low and is generally not higher than 30dB. Therefore, the problem to be overcome at present is to improve the isolation of the magneto-electric dipole antenna, and the wideband magneto-electric dipole antenna with high isolation is necessarily one of the preferred functional components of the wireless mobile communication system.
The invention patent application with the Chinese patent publication number of CN112117534A forms vertical and horizontal polarization by utilizing a fork-shaped feed structure, and improves the isolation between feed ports by utilizing different polarization modes through H-shaped aperture coupling feed on a metal floor; the invention patent application with the Chinese patent publication number of CN114914692A utilizes different radiation modes to form dual polarization, so that isolation between ports is improved. The present invention in the field is that the wide bandwidth is realized and the isolation is low, and the high isolation is one of the development trends of the present wireless communication system, so the high isolation magneto-electric dipole antenna with stable radiation characteristic is necessarily one of the preferred functional components of the full duplex wireless communication system.
At present, four symmetrical metal patches are mostly adopted as radiators in the field, classical gamma-type feeder lines are used for exciting the antennas, dual polarization is achieved through a symmetrical feeder structure, but current coupling effect between feeder lines is large, and isolation is low.
Disclosure of Invention
The invention aims to overcome the defects and shortcomings of the prior art and provides a broadband high-isolation magneto-electric dipole antenna for full duplex application, which has the advantages of broadband and high isolation.
It is another object of the present invention to provide a communication device comprising the above broadband high isolation magneto-electric dipole antenna.
The aim of the invention can be achieved by adopting the following technical scheme:
the utility model provides a broadband high isolation magnetic dipole antenna of full duplex application, includes radiation paster, II type feeder, gamma type feeder, metal floor, medium board and feed network, the metal floor sets up the upper surface at the medium board, the radiation paster links to each other with the metal floor, constitutes magnetic dipole, II type feeder and gamma type feeder set up on the medium board, and II type feeder and gamma type feeder mutually quadrature, feed network sets up the lower surface at the medium board to link to each other with II type feeder, gamma type feeder respectively.
Further, the n-shaped feeder line comprises a first metal short-circuit needle, a second metal short-circuit needle, metal branch groups and a fifth metal branch, wherein the number of the metal branch groups is two, the two metal branch groups form a vertical part of the n-shaped feeder line, and the fifth metal branch forms a horizontal part of the n-shaped feeder line; each metal branch group comprises a first metal branch, a second metal branch, a third metal branch and a fourth metal branch, one ends of the first metal branches of the two metal branch groups are respectively connected with a feed network through a first metal short-circuit needle and a second metal short-circuit needle, the other end of the first metal branch is connected with one end of the second metal branch, the other end of the second metal branch is connected with one end of the third metal branch, the other end of the third metal branch is connected with one end of the fourth metal branch, and the other ends of the fourth metal branches of the two metal branch groups are respectively connected with two ends of the fifth metal branch.
Further, the gamma-shaped feeder comprises a third metal short-circuit needle, a sixth metal branch, a seventh metal branch, an eighth metal branch, a ninth metal branch and a tenth metal branch, wherein the sixth metal branch and the seventh metal branch form a vertical part of the gamma-shaped feeder, and the eighth metal branch, the ninth metal branch and the tenth metal branch form a horizontal part of the gamma-shaped feeder; one end of the sixth metal branch is connected with the feed network through a third metal short-circuit needle, the other end of the sixth metal branch is connected with one end of the seventh metal branch, the other end of the seventh metal branch is connected with one end of the eighth metal branch, the other end of the eighth metal branch is connected with one end of the ninth metal branch, and the other end of the ninth metal branch is connected with one end of the tenth metal branch.
Further, the feed network comprises a first feed port, a second feed port, a first metal pad, a first metallized via hole, a second metal pad, a second metallized via hole and a power division phase shifter, wherein the first feed port is connected with the power division phase shifter, the first metal pad is arranged at the first feed port and is connected with a metal floor through the first metallized via hole, the second feed port is connected with a T-shaped feed line, and the second metal pad is arranged at the second feed port and is connected with the metal floor through the second metallized via hole, and the power division phase shifter is connected with the II-shaped feed line.
Further, the power division phase shifter comprises a Wilkinson power divider and a broadband phase shifter which are connected.
Further, the radiation patch is connected with the metal floor through a metal plate.
Further, the radiation patch comprises four metal branches, each metal branch is connected with the metal floor through a group of metal arms, metal fillets are cut at the positions, far away from the vertexes of the corresponding metal arms, of each metal branch, and each group of metal arms comprises two perpendicular metal plates.
Further, the metal floor comprises a reflecting plate which is in a square structure and is arranged around the metal floor.
Further, the reflecting plate comprises four rectangular metal plates, and the four rectangular metal plates are arranged around the metal floor in a surrounding manner to form a square structure.
The other object of the invention can be achieved by adopting the following technical scheme:
a communication device comprises the broadband high-isolation magneto-electric dipole antenna.
Compared with the prior art, the invention has the following beneficial effects:
1. the N-type feeder line and the F-type feeder line of the antenna are mutually orthogonal, vertical and horizontal dual-polarized radiation can be realized, the distance between the N-type feeder line and the F-type feeder line is increased by utilizing vertical and horizontal dual polarization, and a differential feed network is introduced, so that isolation is further improved, current coupling between two ports of the dual polarization is extremely small, and the isolation degree is more than 64dB.
2. The antenna of the invention introduces a broadband power division phase shifter, improves the impedance bandwidth of dual polarization, has a working frequency band of 1.7 GHz-2.7 GHz, has a wider working frequency band and a relative impedance bandwidth of 45.4%, has good radiation characteristics, has stable directional diagram, has a front-to-back ratio of more than 15dB, has cross polarization of less than-25 dB, and has dual polarization gain of higher than 7.5dBi.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of a broadband high-isolation magneto-electric dipole antenna according to an embodiment of the present invention.
Fig. 2 is a diagram of the structure of the n-type feeder line of the wideband high-isolation magneto-electric dipole antenna according to the embodiment of the invention.
Fig. 3 is a structure diagram of a f-type feeder line of a broadband high-isolation magneto-electric dipole antenna according to an embodiment of the present invention.
Fig. 4 is a diagram showing a structure of a lower surface of a dielectric plate of a wideband high-isolation magneto-electric dipole antenna according to an embodiment of the present invention.
Fig. 5 is a diagram illustrating a radiation patch structure of a wideband high isolation magneto-electric dipole antenna according to an embodiment of the present invention.
Fig. 6 is a top dimensional view of a wideband high isolation magneto-electric dipole antenna according to an embodiment of the invention.
Fig. 7 is a diagram of the size of the n-type feeder line of the wideband high isolation magneto dipole antenna according to the embodiment of the present invention.
Fig. 8 is a diagram of the r-type feeder dimensions of a wideband high isolation magneto-electric dipole antenna of an embodiment of the present invention.
Fig. 9 is a side dimensional view of a wideband high isolation magneto-electric dipole antenna according to embodiments of the invention.
Fig. 10 is a graph of S-parameters of a wideband high isolation magneto-electric dipole antenna according to an embodiment of the present invention.
Fig. 11 is a gain graph of a wideband high isolation magneto-electric dipole antenna according to an embodiment of the present invention.
Fig. 12 and 13 are horizontal plane radiation patterns of the first and second feed ports of the wideband high isolation magnetic dipole antenna according to the embodiment of the present invention at a center frequency of 2.2GHz, respectively.
Fig. 14 and 15 are vertical plane radiation patterns of the first and second feed ports of the wideband high isolation magnetic dipole antenna according to the embodiment of the present invention at a center frequency of 2.2GHz, respectively.
Wherein 100-the radiation patch, 101-the eleventh metal branch, 102-the twelfth metal branch, 103-the thirteenth metal branch, 104-the fourteenth metal branch, 200-the metal arm, 201-the first group of metal arms, 202-the second group of metal arms, 203-the third group of metal arms, 204-the fourth group of metal arms, 300-the II-shaped feeder line, 301-the first metal shorting pin, 302-the second metal shorting pin, 303-the first metal branch, 304-the second metal branch, 305-the third metal branch, 306-the fourth metal branch, 307-the fifth metal branch, 400-gamma type feeder line, 401-third metal shorting pin, 402-sixth metal branch, 403-seventh metal branch, 404-eighth metal branch, 405-ninth metal branch, 406-tenth metal branch, 500-reflecting plate, 600-metal floor, 700-dielectric plate, 800-feeding network, 801-first feeding port, 802-second feeding port, 803-first metal pad, 804-first metallized via hole, 805-second metal pad, 806-second metallized via hole, 807-power division phase shifter, 808-wilkinson power divider, 809-broadband phase shifter.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments, and all other embodiments obtained by persons of ordinary skill in the art without making any inventive effort based on the embodiments of the present invention are within the scope of protection of the present invention.
Examples:
as shown in fig. 1, the present embodiment provides a wideband high-isolation magneto dipole antenna for full duplex application, which can be applied to various communication devices, and includes a radiation patch 100, a pi-shaped feeder 300, a r-shaped feeder 400, a metal floor 600, a dielectric plate 700 and a feed network 800, wherein the metal floor 600 is disposed on the upper surface of the dielectric plate 700 by printing, the radiation patch 100 is connected with the metal floor 600 to form a magneto dipole, the pi-shaped feeder 300 and the r-shaped feeder 400 are disposed on the dielectric plate 700, the pi-shaped feeder 300 and the r-shaped feeder 400 are orthogonal to each other, and the feed network 800 is disposed on the lower surface of the dielectric plate 700 by printing and is respectively connected with the pi-shaped feeder 300 and the r-shaped feeder 400; the thickness of the metal floor 600 was 0.05mm, the dielectric plate 700 was an Arlon 25FR dielectric plate, the dielectric constant was 3.58, and the loss tangent was 0.0035.
As shown in fig. 1 and 2, the n-shaped feeder 300 includes a first metal shorting pin 301, a second metal shorting pin 302, two metal branch groups and a fifth metal branch 307, wherein the two metal branch groups form a vertical portion of the n-shaped feeder, and the fifth metal branch 307 forms a horizontal portion of the n-shaped feeder; each metal branch group comprises a first metal branch 303, a second metal branch 304, a third metal branch 305 and a fourth metal branch 306, one end of the first metal branch 303 of each metal branch group is connected with the feed network 800 through a first metal short-circuit needle 301 and a second metal short-circuit needle 302 respectively, so that the Pi-shaped feed line 300 excites the antenna, the other end of the first metal branch 303 is connected with one end of the second metal branch 304, the other end of the second metal branch 304 is connected with one end of the third metal branch 305, the other end of the third metal branch 305 is connected with one end of the fourth metal branch 306, and the other ends of the fourth metal branches 306 of each metal branch group are connected with two ends of the fifth metal branch 307 respectively.
As shown in fig. 1 to 3, the f-shaped feeder 400 includes a third metal shorting pin 401, a sixth metal branch 402, a seventh metal branch 403, an eighth metal branch 404, a ninth metal branch 405, and a tenth metal branch 406, the sixth metal branch 402 and the seventh metal branch 403 forming a vertical portion of the f-shaped feeder, and the eighth metal branch 404, the ninth metal branch 405, and the tenth metal branch 406 forming a horizontal portion of the f-shaped feeder; one end of a sixth metal branch 402 is connected with a feed network 800 through a third metal shorting pin 401, so that the f-shaped feeder 400 excites the antenna, and as the f-shaped feeder 400 and the ii-shaped feeder 300 are in an orthogonal relationship, vertical horizontal dual polarized radiation can be realized, the other end of the sixth metal branch 402 is connected with one end of a seventh metal branch 403, the other end of the seventh metal branch 403 is connected with one end of an eighth metal branch 404, the other end of the eighth metal branch 404 is connected with one end of a ninth metal branch 405, and the other end of the ninth metal branch 405 is connected with one end of a tenth metal branch 406.
As shown in fig. 1 to 4, the feed network 800 includes a first feed port 801, a second feed port 802, a first metal pad 803, a first metallized via 804, a second metal pad 805, a second metallized via 806, and a power split phase shifter 807, the first feed port 801 is connected to the power split phase shifter 807, the first metal pad 803 is disposed at the first feed port 801 and connected to the metal floor 600 through the first metallized via 804, the second feed port 802 is connected to the r-type feed line 400, specifically, the second feed port 802 is connected to the r-type feed line 400 through the third metal shorting pin 401, the second metal pad 805 is disposed at the second feed port 802 and connected to the metal floor 600 through the second metallized via 806, the power split phase shifter 807 is connected to the ii-type feed line 300, specifically, the power split phase shifter 807 is connected to the ii-type feed line 300 through the first metal shorting pin 301 and the second metal shorting pin 302; wherein the first feed port 801 and the second feed port 802 are both 50Ω feed ports, the power split phase shifter 807 is a 180 ° power split phase shifter comprising a wilkinson power splitter 808 and a broadband phase shifter 809 connected, and correspondingly, the broadband phase shifter 809 is a 180 ° broadband phase shifter.
As shown in fig. 1 and 5, the radiation patch 100 is connected to the metal floor 600 through metal plates to form a magneto-electric dipole, specifically, the radiation patch 100 includes four metal branches, namely, an eleventh metal branch 101, a twelfth metal branch 102, a thirteenth metal branch 103 and a fourteenth metal branch 104, each of which is connected to the metal floor 600 through a set of metal arms 200, that is, the metal arms 200 have four sets, that is, the metal arms 200 have a first set of metal arms 201, a second set of metal arms 202, a third set of metal arms 203 and a fourth set of metal arms 204, respectively, and metal fillets are cut at the positions of each metal branch, which are far from the vertices of the corresponding metal arms 200, and each set of metal arms 200 includes two perpendicular metal plates.
Further, the wideband high isolation magneto-electric dipole antenna of the present embodiment further includes a reflection plate 500, the reflection plate 500 is disposed around the metal floor 600 in a square structure, and by introducing the reflection plate 500, the low frequency gain of the antenna can be improved; specifically, the reflection plate 500 includes four rectangular metal plates each having a thickness of 1mm, and four rectangular metal plates are disposed around the metal floor 600 in a square structure.
As shown in fig. 6, the antenna metal floor 600 has a square shape with a length G of 146mm, a metal rounded corner with a radius R of 13.6mm is cut at the vertex of the radiating patch 100 away from the metal arm 200, and a side length L is cut at two adjacent vertices m At an angle of 8.1mm, the length L of the metal arm s 21.6mm. Distance between radiation D 1 6.7mm; as shown in fig. 7, the first metal branch length L of the n-shaped feeder 300 1 Is 3mm in width W 1 Length L of second metal branch of 3.1mm 2 7.6mm width W 2 Length L of third metal branch of 2.3mm 3 6.4mm width W 3 Length L of fourth metal branch of 5.7mm 4 14.9mm width W 2 Length L of fifth metal branch of 5.4mm 5 21mm width W 2 5.4mm; as shown in fig. 8, the t-shaped feeder 400 has a first metal stub length L 1 Is 3mm in width W 1 Length L of second metal branch of 4.2mm 2 17mm, width W 2 Length L of third metal branch of 4.8mm 3 18.4mm width W 3 Length L of the fourth metal branch is 4.8mm 4 17.1mm, width W 2 Length L of fifth metal branch of 5.5mm 5 25.3mm width W 2 3.5mm; as shown in fig. 9, the thickness H of the dielectric plate 1 At 0.762mm, both the pi-type feeder 300 and the f-type feeder 400 have a thickness H 3 、H 4 Is made of metal plate with the thickness of 1mm, and the height H of the radiation patch 2 34mm square reflector height H 5 23.5mm.
As shown in FIGS. 10, 11 and 12-15, which are respectively S parameter graphs, gain graphs and radiation patterns of the wideband high isolation magneto-electric dipole antenna of the present embodiment, it can be seen that the working frequency band of the antenna is 1.7 GHz-2.7 GHz, the relative bandwidth is 45.5%, the antenna has good radiation characteristics, stable pattern, front-back ratio of greater than 15dB, cross polarization of less than-25 dB, isolation |S 21 The i is greater than 64dB, and the gains of the dual polarization are respectively higher than 7.5dBi.
In summary, the n-type feeder line and the f-type feeder line of the antenna are mutually orthogonal, so that vertical and horizontal dual-polarized radiation can be realized, the distance between the n-type feeder line and the f-type feeder line is increased by utilizing vertical and horizontal dual polarization, and a differential feed network is introduced, so that isolation is further improved, current coupling between two ports of dual polarization is extremely small, and isolation is more than 64dB; in addition, the antenna of the invention introduces a broadband power division phase shifter, improves the impedance bandwidth of dual polarization, has a working frequency band of 1.7 GHz-2.7 GHz, has a wider working frequency band and a relative impedance bandwidth of 45.4%, has good radiation characteristics, has stable directional diagram, has a front-back ratio of more than 15dB, has cross polarization of less than-25 dB, and has dual polarization gain of higher than 7.5dBi.
The foregoing is only illustrative of the present invention, and the embodiments of the present invention are not limited to the above-described embodiments, but any other changes, modifications, substitutions, combinations, and simplifications that do not depart from the spirit and principles of the present invention should be made in the equivalent manner and are included in the scope of the present invention.
Claims (7)
1. The utility model provides a broadband high isolation magnetic dipole antenna of full duplex application, its characterized in that includes radiation paster, pi type feeder, gamma type feeder, metal floor, dielectric slab and feed network, the metal floor sets up the upper surface at the dielectric slab, the radiation paster links to each other with the metal floor, constitutes magnetic dipole, pi type feeder and gamma type feeder set up on the dielectric slab, and Pi type feeder and gamma type feeder are orthogonal each other, realize perpendicular horizontal dual polarized radiation, the feed network sets up in the lower surface of dielectric slab, and link to each other with Pi type feeder, gamma type feeder respectively;
the feed network comprises a first feed port, a second feed port, a first metal bonding pad, a first metallized via hole, a second metal bonding pad, a second metallized via hole and a power division phase shifter, wherein the first feed port is connected with the power division phase shifter, the first metal bonding pad is arranged at the first feed port and is connected with a metal floor through the first metallized via hole, the second feed port is connected with a gamma-shaped feed line, the second metal bonding pad is arranged at the second feed port and is connected with the metal floor through the second metallized via hole, and the power division phase shifter is connected with the gamma-shaped feed line; the high isolation is realized by utilizing vertical and horizontal dual polarization, increasing the interval between the II-type feeder line and the gamma-type feeder line and a differential feed network;
the metal branch groups form the vertical part of the II-shaped feeder line, and the fifth metal branch forms the horizontal part of the II-shaped feeder line; each metal branch group comprises a first metal branch, a second metal branch, a third metal branch and a fourth metal branch, one ends of the first metal branches of the two metal branch groups are respectively connected with a feed network through a first metal short-circuit needle and a second metal short-circuit needle, the other end of the first metal branch is connected with one end of the second metal branch, the other end of the second metal branch is connected with one end of the third metal branch, the other end of the third metal branch is connected with one end of the fourth metal branch, and the other ends of the fourth metal branches of the two metal branch groups are respectively connected with two ends of the fifth metal branch;
the T-shaped feeder line comprises a third metal short-circuit needle, a sixth metal branch, a seventh metal branch, an eighth metal branch, a ninth metal branch and a tenth metal branch, wherein the sixth metal branch and the seventh metal branch form a vertical part of the T-shaped feeder line, and the eighth metal branch, the ninth metal branch and the tenth metal branch form a horizontal part of the T-shaped feeder line; one end of the sixth metal branch is connected with the feed network through a third metal short-circuit needle, the other end of the sixth metal branch is connected with one end of the seventh metal branch, the other end of the seventh metal branch is connected with one end of the eighth metal branch, the other end of the eighth metal branch is connected with one end of the ninth metal branch, and the other end of the ninth metal branch is connected with one end of the tenth metal branch.
2. The wideband high isolation magneto-electric dipole antenna of claim 1, wherein said power division phase shifter comprises a wilkinson power divider and a wideband phase shifter connected.
3. The wideband high isolation magneto-electric dipole antenna of claim 1, wherein said radiating patch is connected to a metal floor by a metal plate.
4. A wideband high isolation magnetic electric dipole antenna as claimed in claim 3, wherein said radiating patch comprises four metal limbs, each metal limb being connected to a metal floor by a set of metal arms, and metal fillets being cut at the vertices of each metal limb remote from the corresponding metal arm, each set of metal arms comprising two perpendicular metal plates.
5. The wideband high isolation magnetic electric dipole antenna as recited in any of claims 1-4, further comprising a reflector plate disposed about said metal floor in a square configuration.
6. The wideband high isolation magnetic electric dipole antenna as recited in claim 5, wherein said reflector comprises four rectangular metal plates, said four rectangular metal plates surrounding a square structure disposed around said metal floor.
7. A communication device comprising a wideband high isolation magneto-electric dipole antenna as claimed in any one of claims 1 to 6.
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| CN202310069956.6A CN115882220B (en) | 2023-02-07 | 2023-02-07 | Broadband high-isolation magneto-electric dipole antenna for full duplex application and communication equipment |
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| CN202310069956.6A CN115882220B (en) | 2023-02-07 | 2023-02-07 | Broadband high-isolation magneto-electric dipole antenna for full duplex application and communication equipment |
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| CN115882220B true CN115882220B (en) | 2023-06-06 |
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| CN116598798B (en) * | 2023-06-16 | 2024-02-20 | 西安交通大学 | K-band wide-angle scanning phased array antenna unit and antenna array |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112787084A (en) * | 2020-12-31 | 2021-05-11 | 华南理工大学 | Millimeter wave differential feed dual-polarization wide beam magnetoelectric dipole antenna |
| CN114566794A (en) * | 2022-03-11 | 2022-05-31 | 厦门大学 | 5G millimeter wave dual-polarization magnetoelectric dipole filtering antenna |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107104272A (en) * | 2017-04-25 | 2017-08-29 | 南京航空航天大学 | Wideband dual polarized electromagnetic dipole antenna |
| US20230016045A1 (en) * | 2021-07-02 | 2023-01-19 | Viettel Group | Wideband dual polarized hourglass shaped with wedge antenna for 3g/4g/5g base station antenna |
| CN114204256B (en) * | 2021-11-29 | 2022-12-13 | 广东工业大学 | Broadband high-isolation patch antenna applied in full duplex and wireless communication equipment |
| CN114914692B (en) * | 2022-07-15 | 2022-10-04 | 广东工业大学 | Dual-polarization high-isolation magnetoelectric dipole millimeter wave antenna and wireless communication equipment |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112787084A (en) * | 2020-12-31 | 2021-05-11 | 华南理工大学 | Millimeter wave differential feed dual-polarization wide beam magnetoelectric dipole antenna |
| CN114566794A (en) * | 2022-03-11 | 2022-05-31 | 厦门大学 | 5G millimeter wave dual-polarization magnetoelectric dipole filtering antenna |
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