CN113193355A - Dual-frequency dual-polarization dielectric resonant antenna for 5G communication and mobile terminal equipment - Google Patents
Dual-frequency dual-polarization dielectric resonant antenna for 5G communication and mobile terminal equipment Download PDFInfo
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- CN113193355A CN113193355A CN202110296799.3A CN202110296799A CN113193355A CN 113193355 A CN113193355 A CN 113193355A CN 202110296799 A CN202110296799 A CN 202110296799A CN 113193355 A CN113193355 A CN 113193355A
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- 230000008878 coupling Effects 0.000 claims abstract description 8
- 238000010168 coupling process Methods 0.000 claims abstract description 8
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- 238000013461 design Methods 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 8
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/48—Earthing means; Earth screens; Counterpoises
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
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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
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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
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/20—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements characterised by the operating wavebands
- H01Q5/28—Arrangements for establishing polarisation or beam width over two or more different wavebands
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/30—Arrangements for providing operation on different wavebands
- H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/50—Feeding or matching arrangements for broad-band or multi-band operation
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/0485—Dielectric resonator antennas
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Abstract
The invention discloses a double-frequency dual-polarized dielectric resonant antenna for 5G communication and mobile terminal equipment, and the double-frequency dual-polarized dielectric resonant antenna for 5G communication comprises a substrate, a first dielectric resonator and a second dielectric resonator arranged on the top surface of the first dielectric resonator, wherein the top surface of the substrate is provided with a ground layer, the ground layer is provided with an H-shaped gap and two first gaps which are parallel and oppositely arranged, the first dielectric resonator is arranged on the ground layer and covers the H-shaped gap and the first gaps, the first gaps are in a long strip shape, the H-shaped gap is positioned between the two first gaps, and the substrate is provided with a first feed structure for coupling feeding the first gaps and a second feed structure for coupling feeding the H-shaped gaps. This a dual-frenquency dual polarization dielectric resonance antenna for 5G communication novel structure has realized monomer dual-frenquency double polarization, has reduced the design complexity and the manufacturing degree of difficulty of dual-frenquency dual polarization dielectric resonance antenna, does benefit to reduction in manufacturing cost.
Description
Technical Field
The invention relates to the technical field of antennas, in particular to a dual-frequency dual-polarized dielectric resonant antenna for 5G communication and mobile terminal equipment.
Background
At present, antennas applied to a 4G communication system or a mobile terminal all use a metal patch structure as a radiator, so that the antennas can be integrated in the mobile terminal.
After the 5G communication era, the demand of the mobile terminal for the number of antennas increases significantly, and particularly, in order to realize the application of millimeter wave communication to the mobile terminal, the designed millimeter wave antenna needs new materials, new forms and new processes to dominate the design of the 5G millimeter wave antenna. In 5G millimeter wave mobile terminal communication, on one hand, the antenna is required to have double-frequency characteristics so as to simplify the structure and design flow of the integrated antenna, and on the other hand, the 3GPP TR38.817 terminal radio frequency technology reports that the special effect of antenna dual polarization will increase 3dB to a radio frequency link, so the antenna dual polarization will be a necessary index of a 5G millimeter wave module. Among them, the microstrip patch antenna is one of the choices because of its advantages of simple structure, clear principle, acceptable performance, etc. However, the microstrip patch antenna not only needs to design a complex dielectric substrate laminated structure, but also has the disadvantages of a non-integrated dual-frequency dual-polarization implementation mode and the like, and challenges are provided for the application of the conventional 5G millimeter wave dual-frequency dual-polarization antenna.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: a dual-frequency dual-polarized dielectric resonant antenna and a mobile terminal device with a novel structure for 5G communication are provided.
In order to solve the technical problems, the invention adopts the technical scheme that: a dual-frenquency dual polarization medium resonance antenna for 5G communication includes base plate, first dielectric resonator and locates the second dielectric resonator of first dielectric resonator top surface, the top surface of base plate is equipped with the stratum, be equipped with H style of calligraphy gap and two first gaps of parallel and relative setting on the stratum, first gap is rectangular form, first dielectric resonator locates on the stratum and cover H style of calligraphy gap and first gap, H style of calligraphy gap is located two between the first gap, be equipped with on the base plate and be used for giving first feed structure of first gap coupling feed and be used for giving the second feed structure of H style of calligraphy gap coupling feed.
In order to solve the technical problems, the invention also adopts the following technical scheme: the mobile terminal equipment comprises the dual-frequency dual-polarized dielectric resonant antenna for 5G communication.
The invention has the beneficial effects that:
the dual-frequency dual-polarized dielectric resonant antenna for 5G communication is novel in structure, single dual-frequency dual polarization is realized by using the stacked dielectric resonant structure, the design complexity and the processing and manufacturing difficulty of the dual-frequency dual-polarized dielectric resonant antenna are reduced, and the manufacturing cost of the dual-frequency dual-polarized dielectric resonant antenna is favorably reduced;
this a dual-frenquency dual polarization dielectric resonator antenna for 5G communication utilizes and piles up the medium and arouse fundamental mode and higher mode respectively, and then produces two work frequency channels, has not only simplified antenna feed structural design, but also can increase the bandwidth, improves the whole radiation efficiency of antenna, has optimized the performance of dual-frenquency dual polarization dielectric resonator antenna.
Drawings
Fig. 1 is a schematic structural diagram of a dual-frequency dual-polarized dielectric resonant antenna for 5G communication according to a first embodiment of the present invention;
fig. 2 is a top view of a ground layer in a dual-frequency dual-polarized dielectric resonant antenna for 5G communication according to a first embodiment of the present invention;
fig. 3 is a schematic structural diagram of the inside of a dual-frequency dual-polarized dielectric resonant antenna for 5G communication according to a first embodiment of the present invention;
fig. 4 is a cross-sectional view of a dual-frequency dual-polarized dielectric resonator antenna for 5G communication according to a first embodiment of the present invention;
fig. 5 is a schematic view of magnetic field distribution of a dual-frequency dual-polarized dielectric resonant antenna for 5G communication according to a first embodiment of the present invention in a fundamental mode operating state;
fig. 6 is a schematic view of a magnetic field distribution of a dual-frequency dual-polarized dielectric resonant antenna for 5G communication in a high-order mode operating state according to a first embodiment of the present invention;
fig. 7 is a return loss diagram of two polarizations of a dual-frequency dual-polarized dielectric resonant antenna for 5G communication according to a first embodiment of the present invention;
fig. 8 is a gain diagram of two polarizations of the dual-frequency dual-polarized dielectric resonator antenna for 5G communication of the present embodiment;
fig. 9 is a diagram illustrating S-parameter test results of a dual-frequency dual-polarized dielectric resonant antenna for 5G communications according to a first embodiment of the present invention;
fig. 10 is a diagram illustrating a result of a radiation efficiency test of a dual-frequency dual-polarized dielectric resonant antenna for 5G communication according to a first embodiment of the present invention.
Description of reference numerals:
1. a substrate;
2. a first dielectric resonator;
3. a second dielectric resonator;
4. an earth formation;
5. an H-shaped gap; 51. a second slit; 52. a third gap;
6. a first slit;
7. a first feed structure; 71. a first branch section; 72. a second branch knot; 73. a third branch knot; 74. a fourth branch knot; 75. a first feeding tab; 76. an extension piece;
8. a second feed structure; 81. a microstrip feed line; 82. a second feeding tab.
Detailed Description
In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1 to 10, a dual-frequency dual-polarized dielectric resonant antenna for 5G communication includes a substrate 1, a first dielectric resonator 2, and a second dielectric resonator 3 disposed on a top surface of the first dielectric resonator 2, a ground layer 4 is disposed on the top surface of the substrate 1, an H-shaped slot 5 and two parallel first slots 6 that are disposed oppositely are disposed on the ground layer 4, the first slots 6 are in a long strip shape, the first dielectric resonator 2 is disposed on the ground layer 4 and covers the H-shaped slot 5 and the first slots 6, the H-shaped slot 5 is located between the two first slots 6, and a first feed structure 7 for coupling feeding the first slots 6 and a second feed structure 8 for coupling feeding the H-shaped slot 5 are disposed on the substrate 1.
From the above description, the beneficial effects of the present invention are: the dual-frequency dual-polarized dielectric resonant antenna for 5G communication is novel in structure, single dual-frequency dual polarization is realized by using the stacked dielectric resonant structure, the design complexity and the processing and manufacturing difficulty of the dual-frequency dual-polarized dielectric resonant antenna are reduced, and the manufacturing cost of the dual-frequency dual-polarized dielectric resonant antenna is favorably reduced;
this a dual-frenquency dual polarization dielectric resonator antenna for 5G communication utilizes and piles up the medium and arouse fundamental mode and higher mode respectively, and then produces two work frequency channels, has not only simplified antenna feed structural design, but also can increase the bandwidth, improves the whole radiation efficiency of antenna, has optimized the performance of dual-frenquency dual polarization dielectric resonator antenna.
Further, the first feeding structure 7 includes a first feeding plate 75, the second feeding structure 8 includes a second feeding plate 82, and the first feeding plate 75 is disposed perpendicular to the second feeding plate 82.
Further, the first feeding tab 75 is perpendicular to the first slit 6.
Further, the first feeding structure 7 further includes an extension piece 76 connected to the first feeding piece 75, the extension piece 76 is located between the first slot 6 and the H-shaped slot 5, and the extension piece 76 is parallel to the first slot 6.
As is apparent from the above description, the provision of the extension piece 76 can further improve the performance of the dual-frequency dual-polarized dielectric resonator antenna for 5G communications.
Further, the H-shaped gap 5 includes a second gap 51 and a third gap 52 connected to each other, the number of the second gap 51 is two, the second gap 51 is parallel to the first gap 6, the third gap 52 is perpendicular to the second gap 51, and the second feeding tab 82 is perpendicular to the third gap 52.
Further, the projection is performed along the thickness direction of the substrate 1, and the projection area of the first dielectric resonator 2 is located in the projection area of the second dielectric resonator 3.
Further, the first dielectric resonator 2 and the second dielectric resonator 3 are respectively rectangular; alternatively, the first dielectric resonator 2 and the second dielectric resonator 3 each have a cylindrical shape.
As can be seen from the above description, the specific shapes of the first dielectric resonator 2 and the second dielectric resonator 3 can be selected according to actual needs, which is beneficial to enriching the structural diversity of the dual-frequency dual-polarized dielectric resonator antenna for 5G communication.
Further, the second feeding structure 8 further includes a microstrip feeding line 81, and the microstrip feeding line 81 is connected to the second feeding patch 82.
Further, the first feeding structure 7 further includes a microstrip feeding balun line, and the microstrip feeding balun line is connected to the two first feeding pieces 75 respectively.
The mobile terminal equipment comprises the dual-frequency dual-polarized dielectric resonant antenna for 5G communication.
As can be seen from the above description, the mobile terminal device has at least all the beneficial effects of the above dual-frequency dual-polarized dielectric resonant antenna for 5G communication.
Example one
Referring to fig. 1 to 10, a first embodiment of the present invention is: a dual-frenquency dual polarization medium resonance antenna for 5G communication can be used to mobile terminal equipment, for example in products such as cell-phone, panel computer, smart watch.
Referring to fig. 1 to 4, the dual-frequency dual-polarized dielectric resonant antenna for 5G communication includes a substrate 1, a first dielectric resonator 2, and a second dielectric resonator 3 disposed on a top surface of the first dielectric resonator 2, a ground layer 4 is disposed on the top surface of the substrate 1, an H-shaped slot 5 and two first slots 6 that are parallel and opposite to each other are disposed on the ground layer 4, the first dielectric resonator 2 is disposed on the ground layer 4 and covers the H-shaped slot 5 and the first slots 6, the H-shaped slot 5 is located between the two first slots 6, and a first feeding structure 7 for coupling-feeding the first slots 6 and a second feeding structure 8 for coupling-feeding the H-shaped slot 5 are disposed on the substrate 1. The substrate 1 may be a multilayer PCB.
As shown in fig. 3, the first feeding structure 7 includes a microstrip feeding balun line and two first feeding pieces 75, the microstrip feeding balun line and the first feeding pieces 75 are conductively connected through a first metalized hole, and the first feeding pieces 75 are perpendicular to the first slot 6 and located below the first slot 6. In this embodiment, the first feeding sheet 75 is located on the bottom surface of the substrate 1, the microstrip feeding balun line is located inside the substrate 1, the microstrip feeding balun line includes a first branch 71, a second branch 72, two third branches 73 and two fourth branches 74, one end of the first branch 71 is connected to the second branch 72, an end surface of the other end of the first branch 71 is exposed from the first side surface of the substrate 1, two ends of the second branch 72 respectively extend perpendicularly in a direction away from the first branch 71 to form the third branch 73, one end of the third branch 73 away from the second branch 72 extends perpendicularly towards the inner side to form the fourth branch 74, and the fourth branch 74 is connected to the first metallization hole.
In order to further improve the performance of the dual-frequency dual-polarized dielectric resonant antenna for 5G communication, the first feed structure 7 further includes an extension piece 76, an end of the first feed piece 75 away from the first metalized hole extends perpendicularly towards a direction away from the first stub 71 to form the extension piece 76, the extension piece 76 is located between the first slot 6 and the H-shaped slot 5, and the extension piece 76 is parallel to the first slot 6.
As shown in fig. 3, the second feeding structure 8 includes a microstrip feeding line 81 and a second feeding tab 82, the microstrip feeding line 81 is connected to the second feeding tab 82 through a second metalized hole, and the second feeding tab 82 is perpendicular to the first feeding tab 75. In this embodiment, an end surface of one end of the microstrip feed line 81, which is far away from the second metalized hole, is exposed from a second side surface of the substrate 1, where the first side surface and the second side surface are a set of two opposite side surfaces of the substrate 1; the second feeding piece 82 is located on the bottom surface of the substrate 1, and the microstrip feeding line 81 is located inside the substrate 1. It will be readily appreciated that the first and second metallized holes may each be replaced with other conductive structures, such as conductive pillars, conductive pastes, and the like.
As shown in fig. 2, the H-shaped slot 5 includes a second slot 51 and a third slot 52 connected to each other, the number of the second slot 51 is two, the second slot 51 is parallel to the first slot 6, the third slot 52 is perpendicular to the second slot 51, the second feeding tab 82 is perpendicular to the third slot 52 and located below the third slot 52, and the second feeding tab 82 is perpendicular to the third slot 52 and located below the third slot 52.
The first slit 6, the second slit 51, and the third slit 52 are elongated.
The first dielectric resonator 2 and the second dielectric resonator 3 are respectively rectangular and projected in the thickness direction of the substrate 1, the projected area of the first dielectric resonator 2 is located in the projected area of the second dielectric resonator 3, and preferably, the projected area of the first dielectric resonator 2 is located at the center of the second dielectric resonator 3; the projected area of the extension piece 76 is located between the first slit 6 and the second slit 51.
Fig. 5 is a schematic diagram of magnetic field distribution of the dual-frequency dual-polarized dielectric resonant antenna for 5G communication in the working state of the fundamental mode according to the embodiment;
fig. 6 is a schematic diagram of the magnetic field distribution of the dual-frequency dual-polarized dielectric resonator antenna for 5G communication in the operating state of the higher-order mode;
fig. 7 is a return loss diagram of two polarizations of the dual-frequency dual-polarization dielectric resonator antenna for 5G communication in this embodiment, where a low point close to the origin is a fundamental mode resonance point, and a low point far from the origin is a high-order mode resonance point; as can be seen from the figure, the return loss of the dual-frequency dual-polarized dielectric resonant antenna for 5G communication of the present embodiment is the same for both polarizations.
Fig. 8 is a gain diagram of two polarizations of the dual-frequency dual-polarized dielectric resonator antenna for 5G communication of the present embodiment; as can be seen from the figure, the gains of the two polarizations of the dual-frequency dual-polarized dielectric resonant antenna for 5G communication of the present embodiment are the same.
Fig. 9 is a diagram illustrating S-parameter test results of the dual-frequency dual-polarized dielectric resonant antenna for 5G communication according to the present embodiment; as can be seen from the figure, the S parameters of the two polarizations cover 24.25-30GHz and 37-40GHz, effectively covering all the frequency bands of the current 5G, and the dual-frequency dual-polarization dielectric resonant antenna for 5G communication is a broadband dual-frequency antenna.
Fig. 10 is a diagram illustrating a test result of the radiation efficiency of the dual-frequency dual-polarized dielectric resonator antenna for 5G communication according to the present embodiment; as can be seen from the figure, the radiation efficiency of both polarizations is greater than 85% in the frequency band, which shows that the dual-frequency dual-polarized dielectric resonant antenna for 5G communication is an excellent dual-frequency dual-polarized antenna.
Example two
The second embodiment of the present invention proposes another technical solution for the structure of the first dielectric resonator and the structure of the second dielectric resonator on the basis of the first embodiment, and the difference from the first embodiment is only that: the first dielectric resonator and the second dielectric resonator are respectively in a cylindrical shape, wherein the diameter of the second dielectric resonator is larger than that of the first dielectric resonator.
And the projection is carried out along the thickness direction of the substrate, the projection area of the first dielectric resonator is positioned in the projection area of the second dielectric resonator, and the central axis of the first dielectric resonator is collinear with the central axis of the second dielectric resonator.
In conclusion, the dual-frequency dual-polarization dielectric resonant antenna and the mobile terminal device for 5G communication provided by the invention have the advantages of novel structure and excellent performance; the single dual-frequency dual-polarization dielectric resonant antenna has the advantages of low processing and manufacturing difficulty and convenient design, and effectively reduces the manufacturing cost of the dual-frequency dual-polarization dielectric resonant antenna; the magnetic field distribution of the two polarizations is the same under the working conditions of the fundamental mode and the higher order mode; the gain of both polarizations is the same as the radiation efficiency.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.
Claims (10)
1. A dual-frenquency dual polarization dielectric resonator antenna for 5G communication, its characterized in that: including base plate, first dielectric resonator and locating the second dielectric resonator of first dielectric resonator top surface, the top surface of base plate is equipped with the stratum, be equipped with H style of calligraphy gap and two first gaps of parallel and relative setting on the stratum, first gap is rectangular form, first dielectric resonator locates on the stratum and cover H style of calligraphy gap and first gap, H style of calligraphy gap is located two between the first gap, be equipped with on the base plate and be used for giving the first feed structure of first gap coupling feed and be used for giving the second feed structure of H style of calligraphy gap coupling feed.
2. The dual-frequency dual-polarized dielectric resonator antenna for 5G communication according to claim 1, wherein: the first feed structure comprises a first feed piece, the second feed structure comprises a second feed piece, and the first feed piece and the second feed piece are arranged perpendicularly.
3. The dual-frequency dual-polarized dielectric resonator antenna for 5G communication according to claim 2, wherein: the first feed tab is perpendicular to the first slot.
4. A dual-frequency dual-polarized dielectric resonator antenna for 5G communication according to claim 3, characterized in that: the first feed structure further comprises an extension piece connected with the first feed piece, the extension piece is located between the first gap and the H-shaped gap, and the extension piece is parallel to the first gap.
5. The dual-frequency dual-polarized dielectric resonator antenna for 5G communication according to claim 2, wherein: the H-shaped gap comprises two second gaps and two third gaps which are connected, the second gaps are parallel to the first gaps, the third gaps are perpendicular to the second gaps, and the second feed pieces are perpendicular to the third gaps.
6. The dual-frequency dual-polarized dielectric resonator antenna for 5G communication according to claim 2, wherein: and projecting along the thickness direction of the substrate, wherein the projection area of the first dielectric resonator is positioned in the projection area of the second dielectric resonator.
7. The dual-frequency dual-polarized dielectric resonator antenna for 5G communication according to claim 6, wherein: the first dielectric resonator and the second dielectric resonator are respectively rectangular; alternatively, the first dielectric resonator and the second dielectric resonator are respectively cylindrical.
8. The dual-frequency dual-polarized dielectric resonator antenna for 5G communication according to claim 2, wherein: the second feed structure further comprises a microstrip feed line, and the microstrip feed line is connected with the second feed piece.
9. The dual-frequency dual-polarized dielectric resonator antenna for 5G communication according to claim 2, wherein: the first feed structure further comprises a microstrip feed balun line, and the microstrip feed balun line is connected with the two first feed pieces respectively.
10. Mobile terminal equipment, its characterized in that: a dual-frequency dual-polarized dielectric resonant antenna for 5G communications comprising any one of claims 1-9.
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| CN202110296799.3A CN113193355A (en) | 2021-03-19 | 2021-03-19 | Dual-frequency dual-polarization dielectric resonant antenna for 5G communication and mobile terminal equipment |
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| CN202110296799.3A CN113193355A (en) | 2021-03-19 | 2021-03-19 | Dual-frequency dual-polarization dielectric resonant antenna for 5G communication and mobile terminal equipment |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114976652A (en) * | 2022-04-26 | 2022-08-30 | 深圳市信维通信股份有限公司 | Ultra-wideband dielectric resonator antenna, antenna module and electronic equipment |
| CN115051162A (en) * | 2022-06-09 | 2022-09-13 | 深圳市信维通信股份有限公司 | Integrated dual-polarization dual-frequency millimeter wave dielectric resonator antenna and electronic equipment |
| CN115101930A (en) * | 2022-07-15 | 2022-09-23 | 广东工业大学 | Dual-frequency satellite navigation antenna with edge-loaded resonant branches |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114976652A (en) * | 2022-04-26 | 2022-08-30 | 深圳市信维通信股份有限公司 | Ultra-wideband dielectric resonator antenna, antenna module and electronic equipment |
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| CN115051162A (en) * | 2022-06-09 | 2022-09-13 | 深圳市信维通信股份有限公司 | Integrated dual-polarization dual-frequency millimeter wave dielectric resonator antenna and electronic equipment |
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| CN115101930B (en) * | 2022-07-15 | 2022-11-15 | 广东工业大学 | Dual-frequency satellite navigation antenna with edge-loaded resonant branches |
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