Millimeter wave broadband dual-polarization magnetoelectric dipole antenna

Abstract

The invention discloses a millimeter wave broadband dual-polarization magnetoelectric dipole antenna. The antenna comprises a first dielectric plate, a first bonding layer, a second dielectric plate, a second bonding layer, a third dielectric plate and a metal floor which are sequentially arranged from top to bottom, the upper surface of the first dielectric plate is provided with a group of electric dipoles used for radiating electromagnetic waves, a feed structure and a metal patch, and magnetic dipoles are arranged between two adjacent layers of the first dielectric plate, the first bonding layer, the second dielectric plate, the second bonding layer and the third dielectric plate. A first metal column unit used for moving out of a matching abnormal resonance point in a working frequency band is arranged between the first dielectric plate and the first bonding layer. According to the invention, millimeter wave frequency band, wide bandwidth performance, compact structure and multi-polarization characteristic can be integrated in one antenna, so that the requirements of wireless communication on high speed, low cost, large coverage, good anti-interference capability and the like can be met.

Description

Technical Field

[0001] The present invention relates to the technical field of antennas, and particularly to a millimeter-wave broadband dual-polarized magnetoelectric dipole antenna. Background Art

[0002] Currently, in wireless communication systems, antennas, as matching devices between wave sources and free space, have important application and research value. The main functions of antennas can be classified into three categories: First, antennas can be used to convert energy. The process of converting space electromagnetic waves into radio frequency guided waves and transmitting them to the receiver is achieved by the receiving antenna. And the process of converting the radio frequency guided waves output by the transmitter into space electromagnetic waves and radiating them outward is achieved by the transmitting antenna. Second, antennas can also distribute energy in space, that is, antennas are directional; in addition, another important function of antennas is to form the required polarization wave. To meet the expanding demand for the development of mobile communication technology, dual-polarized antennas have received much attention due to their multiple advantages such as frequency reuse, polarization diversity, strong anti-interference ability, and anti-multipath fading. A dual-polarized antenna refers to an antenna that contains two orthogonal polarizations (which can be linear polarization, circular polarization, or elliptical polarization), does not interfere with each other, and works independently. Since the two polarizations do not interfere with each other, within the same frequency spectrum range, as much information as possible can be transmitted and received, greatly improving the information capacity. Third, the polarization of electromagnetic signals changes due to external influences during the transmission process. Since any polarized electromagnetic wave can be decomposed into two orthogonal polarization components, the dual-polarized antenna can still successfully complete signal reception, greatly enhancing the anti-interference ability of the device in complex environments. In the field of communication, dual-polarization technology has good applications in frequency division multiplexing, polarization diversity, communication anti-interference, anti-multipath fading, etc., greatly improving the signal-to-noise ratio and improving communication quality; in the field of detection, different body postures and different vital signs have different responses to horizontally polarized waves and vertically polarized waves, so the application of dual-polarization technology greatly improves the detection accuracy; the military field has extremely high standards for accuracy and anti-interference ability.

[0003] The spectrum resources of millimeter waves are richer than those of the low-frequency band, and can provide broadband working frequency bands for various communication technologies, meeting people's demand for mobile service traffic. The International Telecommunication Union has designated frequency bands such as 24.15 - 27.5 GHz and 37 - 43.5 GHz as alternative frequency bands for 5G millimeter-wave mobile communication systems. As a key component in 5G millimeter-wave mobile communication systems, millimeter-wave antennas are rapidly becoming a research hotspot at home and abroad.

[0004] As can be seen from the above, dual-polarized antennas have a wide range of applications, and millimeter-wave antennas are becoming more and more popular. Therefore, how to combine dual-polarized antennas and millimeter-wave antennas into one to achieve an antenna with more advantageous features is a problem that needs to be solved by those skilled in the art. Summary of the Invention

[0005] An embodiment of the present invention provides a millimeter-wave broadband dual-polarized magnetoelectric dipole antenna, aiming to integrate millimeter-wave frequency band, wide bandwidth performance, compact structure and multi-polarization characteristics in one antenna to meet the requirements of wireless communication for high rate, low cost, large coverage, good anti-interference ability, etc.

[0006] An embodiment of the present invention provides a millimeter-wave broadband dual-polarized magnetoelectric dipole antenna, which includes a first dielectric plate, a first adhesive layer, a second dielectric plate, a second adhesive layer, a third dielectric plate and a metal floor arranged in sequence from top to bottom;

[0007] On the upper surface of the first dielectric plate, a group of electric dipoles, a feeding structure and a metal patch for radiating electromagnetic waves are provided. Between adjacent two layers of the first dielectric plate, the first adhesive layer, the second dielectric plate, the second adhesive layer and the third dielectric plate, magnetoelectric dipoles are provided. Between the first dielectric plate and the first adhesive layer, a first metal post unit for removing abnormal resonance points in the working frequency band is provided.

[0008] Furthermore, a parasitic patch and the feeding structure are provided between the first dielectric plate and the first adhesive layer.

[0009] Furthermore, a suppression patch is provided on the upper surface of the third dielectric plate, and a second metal post unit is provided between the third dielectric plate and the metal floor.

[0010] Furthermore, the electric dipole includes a first square electric dipole and a second square electric dipole perpendicular to the first square electric dipole. A square slit is provided in the middle of the first square electric dipole. The second square electric dipole is provided with a first strip slit, a second strip slit, a third strip slit and a fourth strip slit arranged in a staggered manner from bottom to top.

[0011] Furthermore, the magnetoelectric dipole includes a first magnetoelectric dipole, a second magnetoelectric dipole and a third magnetoelectric dipole. The first magnetoelectric dipole, the second magnetoelectric dipole and the third magnetoelectric dipole are all located between the first dielectric plate, the first adhesive layer, the second dielectric plate, the second adhesive layer and the third dielectric plate and are centrosymmetric.

[0012] Furthermore, the metal patch includes a circular metal patch, a first strip metal patch, a second strip metal patch, a third strip metal patch, a fourth strip metal patch and a circular slit.

[0013] Further, the first strip-shaped metal patch is located above the circular parasitic patch, the second strip-shaped metal patch is located at the right end of the circular parasitic patch, the third strip-shaped metal patch is located below the circular parasitic patch, the fourth strip-shaped metal patch is located at the left end of the circular parasitic patch, and a circular slit is formed in the middle of the circular metal patch.

[0014] Further, the feeding structure includes a first strip-shaped feeding patch, a second strip-shaped feeding patch, a first coaxial feeding probe, a second coaxial feeding probe, a first feeding port, and a second feeding port;

[0015] The first strip-shaped feeding patch is located on the upper surface of the first dielectric plate, the second strip-shaped feeding patch is located between the first dielectric plate and the first adhesive layer, and the first strip-shaped feeding patch and the second strip-shaped feeding patch are perpendicularly arranged;

[0016] The first coaxial feeding probe is located between the first dielectric plate, the first adhesive layer, the second dielectric plate, the second adhesive layer, and the third dielectric plate, and the upper end of the first coaxial feeding probe is connected to the first strip-shaped feeding patch, and the lower end is connected to the first feeding port; the second coaxial feeding probe is located between the first adhesive layer, the second dielectric plate, the second adhesive layer, and the third dielectric plate, and the upper end of the second coaxial feeding probe is connected to the second strip-shaped feeding patch, and the lower end is connected to the second feeding port.

[0017] Further, the suppression patch includes a strip-shaped suppression patch, a first suppression stub, and a second suppression stub. There are 4 strip-shaped suppression patches, and the 4 strip-shaped suppression patches are arranged in a square shape with a square suppression slit left in the middle. At each end of any corner of each strip-shaped suppression patch, the first suppression stub and the second suppression stub are respectively arranged.

[0018] Further, the parasitic patch includes a first strip-shaped parasitic patch, a first circular parasitic patch, and a second circular parasitic patch. The first circular parasitic patch and the second circular parasitic patch are located at the left and right edges of the first strip-shaped parasitic patch.

[0019] In the embodiment of the present invention, by arranging a set of electric dipoles, a feeding structure, and a metal patch for radiating electromagnetic waves on the upper surface of the first dielectric plate, the bandwidth of the antenna can be effectively expanded. At the same time, in order to maintain the symmetry of the far-field radiation pattern of the antenna in the embodiment of the present invention, a first metal column unit for removing abnormal resonance points in the working frequency band is introduced, and through electromagnetic simulation software simulation and comparison, it is found that by introducing the first metal column unit, the frequency points (also known as blind spots) with abnormal return loss in the working frequency band can be effectively removed, thereby improving the working performance of the antenna. Description of the Drawings

[0020] To more clearly illustrate the technical solutions of the embodiments of the present invention, the following will briefly introduce the accompanying drawings required for the description of the embodiments. Obviously, the accompanying drawings in the following description are some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other accompanying drawings can also be obtained based on these drawings.

[0021] Figure 1 It is a schematic diagram of the hierarchical structure of a millimeter-wave broadband dual-polarized magnetoelectric dipole antenna provided by an embodiment of the present invention.

[0022] Figure 2 It is a schematic side view structure diagram of a millimeter-wave broadband dual-polarized magnetoelectric dipole antenna provided by an embodiment of the present invention;

[0023] Figure 3 It is a schematic diagram of the structure of a metal patch in a millimeter-wave broadband dual-polarized magnetoelectric dipole antenna provided by an embodiment of the present invention;

[0024] Figure 4 It is a schematic diagram of the structure of an electric dipole in a millimeter-wave broadband dual-polarized magnetoelectric dipole antenna provided by an embodiment of the present invention;

[0025] Figure 5 It is a schematic diagram of the structure of a magnetic dipole and a feeding structure in a millimeter-wave broadband dual-polarized magnetoelectric dipole antenna provided by an embodiment of the present invention;

[0026] Figure 6 It is a schematic diagram of the structure of a suppression structure in a millimeter-wave broadband dual-polarized magnetoelectric dipole antenna provided by an embodiment of the present invention;

[0027] Figure 7 It is a simulation result diagram of the return loss - frequency of each port of a millimeter-wave broadband dual-polarized magnetoelectric dipole antenna provided by an embodiment of the present invention;

[0028] Figure 8 It is a simulation result diagram of the port isolation of a millimeter-wave broadband dual-polarized magnetoelectric dipole antenna provided by an embodiment of the present invention;

[0029] Figure 9 It is a far-field radiation pattern of a millimeter-wave broadband dual-polarized magnetoelectric dipole antenna provided by an embodiment of the present invention at 25 GHz when phi = 0°;

[0030] Figure 10 It is a far-field radiation pattern of a millimeter-wave broadband dual-polarized magnetoelectric dipole antenna provided by an embodiment of the present invention at 25 GHz when phi = 90°;

[0031] Figure 11The far - field radiation pattern of a millimeter - wave broadband dual - polarized magnetoelectric dipole antenna provided by an embodiment of the present invention at 35 GHz with phi = 0°;

[0032] Figure 12 The far - field radiation pattern of a millimeter - wave broadband dual - polarized magnetoelectric dipole antenna provided by an embodiment of the present invention at 35 GHz with phi = 90°;

[0033] Figure 13 The far - field radiation pattern of a millimeter - wave broadband dual - polarized magnetoelectric dipole antenna provided by an embodiment of the present invention at 45 GHz with phi = 0°;

[0034] Figure 14 The far - field radiation pattern of a millimeter - wave broadband dual - polarized magnetoelectric dipole antenna provided by an embodiment of the present invention at 45 GHz with phi = 90°.

[0035] Identifications in the figure:

[0036] 1. Metal floor;

[0037] 2. Third dielectric plate;

[0038] 3. Second adhesive layer;

[0039] 4. Second dielectric plate;

[0040] 5. First adhesive layer;

[0041] 6. First dielectric plate;

[0042] 7. Feeding structure; 701. First strip - shaped feeding patch; 702. Second strip - shaped feeding patch; 703. First coaxial feeding probe; 704. Second coaxial feeding probe; 705. First feeding port; 706. Second feeding port;

[0043] 8. Suppression patch; 801. Strip - shaped suppression patch; 802. First suppression stub; 803. Second suppression stub; 804. First metal post; 805. Second metal post; 806. Third metal post; 807. Fourth metal post; 808. Square suppression slot;

[0044] 9. Parasitic patch; 901. Strip - shaped parasitic patch; 902. Sixth metal post; 903. Seventh metal post; 904. First circular parasitic patch; 905. Second circular parasitic patch;

[0045] 10. Electric dipole; 1001. First square electric dipole; 1002. Square slot; 1003. Second square electric dipole; 1004. First strip - shaped slot; 1005. Second strip - shaped slot; 1006. Third strip - shaped slot; 1007. Fourth strip - shaped slot;

[0046] 11. Metal patch; 1101. Circular metal patch; 1102. First strip metal patch; 1103. Second strip metal patch; 1104. Third strip metal patch; 1105. Fourth strip metal patch; 1106. Circular gap;

[0047] 12. Magnetic dipole; 1201. First magnetic dipole; 1202. Second magnetic dipole; 1203. Third magnetic dipole. Detailed implementation mode

[0048] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0049] It should be understood that when used in this specification and the appended claims, the terms "comprising" and "including" indicate the presence of the described features, wholes, steps, operations, elements and / or components, but do not exclude the presence or addition of one or more other features, wholes, steps, operations, elements, components and / or their combinations.

[0050] It should also be understood that the terms used in this specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. As used in this specification of the present invention and the appended claims, unless the context clearly indicates otherwise, the singular forms "a", "an" and "the" are intended to include the plural forms.

[0051] It should be further understood that the term " / and" used in this specification of the present invention and the appended claims refers to any combination and all possible combinations of one or more of the related listed items, and includes these combinations.

[0052] Next, please refer to Figures 1 to 6 , a millimeter-wave broadband dual-polarized magnetoelectric dipole antenna provided by an embodiment of the present invention, which is characterized in that it includes a first dielectric plate 6, a first adhesive layer 5, a second dielectric plate 4, a second adhesive layer 3, a third dielectric plate 2 and a metal floor 1 arranged in sequence from top to bottom;

[0053] On the upper surface of the first dielectric plate 6, a set of electric dipoles 10 for radiating electromagnetic waves, a feeding structure, and a metal patch 11 are provided. Between adjacent layers of the first dielectric plate 6, the first adhesive layer 5, the second dielectric plate 4, the second adhesive layer 3, and the third dielectric plate 2, magnetic dipoles 12 are provided. Between the first dielectric plate 6 and the first adhesive layer 5, a first metal post unit for removing abnormal resonance points in the working frequency band is provided.

[0054] In this embodiment, by providing a set of electric dipoles 10 for radiating electromagnetic waves, a feeding structure, and a metal patch 11 on the upper surface of the first dielectric plate 6, the bandwidth of the antenna can be effectively expanded. At the same time, in order to maintain the symmetry of the far-field radiation pattern of the antenna in the embodiment of the present invention, a first metal post unit for removing abnormal resonance points in the working frequency band is introduced, and through electromagnetic simulation software simulation and comparison, it is found that by introducing the first metal post unit, the frequency points (also known as blind spots) with abnormal return loss in the working frequency band can be effectively removed, thereby improving the working performance of the antenna.

[0055] In a specific embodiment, the metal floor 1 is printed on the lower surface of the third dielectric plate 2. The first dielectric plate 6 can be made of a plate with a thickness of 0.254 mm and a dielectric constant of 3.66. The first adhesive layer can be made of a plate with a thickness of 0.202 mm and a dielectric constant of 3.52. The second dielectric plate 4 can be made of a plate with a thickness of 0.422 mm and a dielectric constant of 3.66. The second adhesive layer can be made of a plate with a thickness of 0.202 mm and a dielectric constant of 3.52. The third dielectric plate can be made of a plate with a thickness of 0.338 mm and a dielectric constant of 3.66.

[0056] In addition, the first metal post unit specifically includes four groups of metal posts. For example, one group of metal posts is Figure 5 the sixth metal post 902 and the seventh metal post 903 in. In practical applications, the number of the first metal post units can be set according to actual needs. For example, more or fewer metal posts can be set to meet actual needs.

[0057] In an embodiment, a parasitic patch 9 and the feeding structure are provided between the first dielectric plate 6 and the first adhesive layer 5.

[0058] Specifically, in combination with Figure 5 , the parasitic patch 9 includes a first strip-shaped parasitic patch 901, a first circular parasitic patch 904, and a second circular parasitic patch 905. The first circular parasitic patch 904 and the second circular parasitic patch 905 are located at the left and right edges of the first strip-shaped parasitic patch 901. Among them, the length of the first strip-shaped parasitic patch 901 is 1.15 mm, the width is 0.15 mm, and the radii of the first circular parasitic patch 904 and the second circular parasitic patch 905 are both 0.15 mm. Here, asFigure 5 As shown, the above-mentioned sixth metal column 902 and seventh metal column 903 are located at both ends of the strip parasitic patch 901, and are respectively connected to the first circular parasitic patch 904 and the second circular parasitic patch 905.

[0059] In addition, the feeding structure 7 includes a first strip feeding patch 701, a second strip feeding patch 702, a first coaxial feeding probe 703, a second coaxial feeding probe 704, a first feeding port 705, and a second feeding port 706;

[0060] The first strip feeding patch 701 is located on the upper surface of the first dielectric plate 6, the second strip feeding patch 702 is located between the first dielectric plate 6 and the first adhesive layer 5, and the first strip feeding patch 701 and the second strip feeding patch 702 are arranged perpendicular to each other;

[0061] The first coaxial feeding probe 703 is located between the first dielectric plate 6, the first adhesive layer 5, the second dielectric plate 4, the second adhesive layer 3, and the third dielectric plate 2, and the upper end of the first coaxial feeding probe 703 is connected to the first strip feeding patch 701, and the lower end is connected to the first feeding port 705; the second coaxial feeding probe 704 is located between the first adhesive layer 5, the second dielectric plate 4, the second adhesive layer 3, and the third dielectric plate 2, and the upper end of the second coaxial feeding probe 704 is connected to the second strip feeding patch 702, and the lower end is connected to the second feeding port 706. Among them, the length of the first strip feeding patch is 1.5 mm and the width is 0.3 mm, the length of the second strip feeding patch is 1.3 mm and the width is 0.25 mm.

[0062] In an embodiment, a suppression patch 8 is provided on the upper surface of the third dielectric plate 2, and a second metal column unit is provided between the third dielectric plate 2 and the metal floor 1.

[0063] Specifically, in combination with Figure 6 , the suppression patch 8 includes a strip suppression patch 801, a first suppression branch 802, and a second suppression branch 803. There are 4 strip suppression patches 801, and the 4 strip suppression patches 801 are arranged in a square shape with a square suppression gap 808 left in the middle. At both ends of any corner of each strip suppression patch 801, the first suppression branch 802 and the second suppression branch 803 are respectively provided. Among them, the length of the strip suppression patch 801 is 3.1 mm and the width is 0.45 mm, the lengths of the first suppression branch 802 and the second suppression branch 803 are both 0.45 mm and the widths are both 0.45 mm, and the length of the square suppression gap 808 is 2.2 mm.

[0064] In practical applications, the second metal pillar unit specifically includes four groups of metal pillars, and the four groups of metal pillars in the second metal pillar unit are distributed around the square suppression gap 808. For example, one group of metal pillars is Figure 6 the first metal pillar 804, the second metal pillar 805, the third metal pillar 806, the fourth metal pillar 807, and the fifth metal pillar 808 in

[0065] In one embodiment, in combination with Figure 4 , the electric dipole 10 includes a first square electric dipole 1001 and a second square electric dipole 1003 that is perpendicularly arranged to the first square electric dipole 1001. A square gap 1002 is formed in the middle of the first square electric dipole 1001. The second square electric dipole 1003 is alternately provided with a first strip-shaped gap 1004, a second strip-shaped gap 1005, a third strip-shaped gap 1006, and a fourth strip-shaped gap 1007 from bottom to top.

[0066] In this embodiment, a single electric dipole 10 includes a first square electric dipole 1001, a square gap 1002, a second square electric dipole 1003, a first strip-shaped gap 1004, a second strip-shaped gap 1005, a third strip-shaped gap 1006, and a fourth strip-shaped gap 1007. Among them, the length of the first square electric dipole 1001 is 1.2 mm, the length of the square gap 1002 is 0.5 mm, the length of the second square electric dipole 1003 is 1.2 mm, the height is 0.8 mm, and the lengths of the first strip-shaped gap 1004, the second strip-shaped gap 1005, the third strip-shaped gap 1006, and the fourth strip-shaped gap 1007 are all 0.67 mm, and the widths are all 0.1 mm.

[0067] In one embodiment, in combination with Figure 5 , the magnetic dipole 12 includes a first magnetic dipole 1201, a second magnetic dipole 1202, and a third magnetic dipole 1203. The first magnetic dipole 1201, the second magnetic dipole 1202, and the third magnetic dipole 1203 are all located between the first dielectric plate 6, the first adhesive layer 5, the second dielectric plate 4, the second adhesive layer 3, and the third dielectric plate 2 and are centrosymmetric. Among them, the radii of the first magnetic dipole 1201, the second magnetic dipole 1202, and the third magnetic dipole 1203 are all 0.1 mm.

[0068] In one embodiment, in combination with Figure 3 , the metal patch 11 includes a circular metal patch 1101, a first strip-shaped metal patch 1102, a second strip-shaped metal patch 1103, a third strip-shaped metal patch 1104, a fourth strip-shaped metal patch 1105, and a circular gap 1106.

[0069] Specifically, the first strip-shaped metal patch 1102 is located above the circular metal patch 1101, the second strip-shaped metal patch 1103 is located at the right end of the circular metal patch 1101, the third strip-shaped metal patch 1104 is located below the circular metal patch 1101, the fourth strip-shaped metal patch 1105 is located at the left end of the circular metal patch 1101, and a circular slit 1106 is formed in the middle of the circular metal patch 1101.

[0070] Among them, the radius of the circular metal patch 1101 is 0.85 mm, the radius of the circular slit 1106 is 0.65 mm, and the lengths of the first strip-shaped metal patch 1102, the second strip-shaped metal patch 1103, the third strip-shaped metal patch 1104, and the fourth strip-shaped metal patch 1105 are all 1.4 mm, and the widths are all 0.2 mm.

[0071] Please refer to Figure 7 as shown in Figure 7 Fig. [X] shows the simulation result diagram of the relationship between the sum frequency of the millimeter-wave broadband dual-polarized magnetoelectric dipole antenna based on the radiation boundary condition according to the embodiment of the present invention. The simulation result is obtained by simulating and calculating the voltage standing wave ratio of the antenna using simulation software. As Figure 7 shown, when the return loss is less than -10 dB as the standard, the operating frequency band of S11 that the millimeter-wave broadband dual-polarized magnetoelectric dipole antenna can achieve is 21.4 - 51.4 GHz, and the operating frequency band of S22 is 25.4 - 55 GHz.

[0072] Combined with Figure 8 shown in Figure 8 Fig. [X] shows the simulation result diagram of the relationship between the port isolation and the frequency of the millimeter-wave broadband dual-polarized magnetoelectric dipole antenna based on the radiation boundary condition. As Figure 8 shown, the port isolation obtained by the antenna is basically lower than 20 dB within the frequency band.

[0073] Combined with Figures 9 to 14 , Figures 9 to 14 Figs. [X] respectively show the far-field radiation patterns of the millimeter-wave broadband dual-polarized magnetoelectric dipole antenna unit at three frequency points of 25 GHz, 35 GHz, and 45 GHz when Phi = 0° and Phi = 90°. The maximum radiation direction of the antenna is the +z axis, and there is no deviation phenomenon or lobing phenomenon.

[0074] The above simulation results show that the millimeter-wave broadband dual-polarized magnetoelectric dipole antenna provided by the embodiment of the present invention can achieve a lower profile, a wider operating bandwidth, a wider angle scan, and a lower cross-polarization level.

[0075] In the description of the present invention, it should be noted that for orientation terms, such as the terms "center", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the indicated orientation and positional relationships are based on the orientation or positional relationships shown in the drawings. This is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific protection scope of the present invention.

[0076] The various embodiments in the specification are described in a progressive manner. The key point of each embodiment is to illustrate the differences from other embodiments. For the same or similar parts among the various embodiments, reference can be made to each other. For the system disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and reference can be made to the description in the method part for the relevant parts. It should be noted that for those of ordinary skill in the art of the present technology, without departing from the principle of the present application, several improvements and modifications can be made to the present application, and these improvements and modifications also fall within the protection scope of the claims of the present application.

[0077] It should also be noted that in this specification, relational terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "comprising one..." does not exclude the existence of another identical element in the process, method, article or device comprising the said element.

Claims

1. A millimeter-wave broadband dual-polarized magnetoelectric dipole antenna, characterized in that: It includes a first dielectric plate, a first adhesive layer, a second dielectric plate, a second adhesive layer, a third dielectric plate and a metal floor which are arranged in sequence from top to bottom; A group of electric dipoles, a feeding structure and a metal patch for radiating electromagnetic waves are arranged on the upper surface of the first dielectric plate, a magnetic dipole is arranged between two adjacent layers of the first dielectric plate, the first adhesive layer, the second dielectric plate, the second adhesive layer and the third dielectric plate, and a first metal column unit for moving out the abnormal matching resonance point within the working frequency band is arranged between the first dielectric plate and the first adhesive layer.

2. The millimeter wave broadband dual-polarized magneto-electric dipole antenna according to claim 1, characterized in that: A parasitic patch and the feeding structure are arranged between the first dielectric plate and the first adhesive layer.

3. The millimeter wave broadband dual-polarized magneto-electric dipole antenna according to claim 1, characterized in that: A suppression patch is arranged on the upper surface of the third dielectric plate, and a second metal column unit is arranged between the third dielectric plate and the metal floor.

4. The millimeter wave broadband dual-polarized magnetoelectric dipole antenna according to claim 1, characterized in that: The electric dipole comprises a first square electric dipole and a second square electric dipole arranged perpendicular to the first square electric dipole, the first square electric dipole has a square gap in the middle, and the second square electric dipole has a first strip gap, a second strip gap, a third strip gap and a fourth strip gap arranged alternately from bottom to top.

5. The millimeter wave broadband dual-polarized magneto-electric dipole antenna according to claim 1, characterized in that: The magnetic dipole includes a first magnetic dipole, a second magnetic dipole, and a third magnetic dipole. The first magnetic dipole, the second magnetic dipole, and the third magnetic dipole are all located between the first dielectric plate, the first adhesive layer, the second dielectric plate, the second adhesive layer, and the third dielectric plate and are centrally symmetrical.

6. The millimeter wave broadband dual-polarized magneto-electric dipole antenna according to claim 1, characterized in that: The metal patches include a circular metal patch, a first strip-shaped metal patch, a second strip-shaped metal patch, a third strip-shaped metal patch, a fourth strip-shaped metal patch and a circular gap.

7. The millimeter wave broadband dual-polarized magneto-electric dipole antenna according to claim 6, characterized in that: The first strip metal patch is located at the upper end of the circular parasitic patch, the second strip metal patch is located at the right end of the circular parasitic patch, the third strip metal patch is located at the lower end of the circular parasitic patch, the fourth strip metal patch is located at the left end of the circular parasitic patch, and the circular gap is opened in the middle of the circular metal patch.

8. The millimeter wave broadband dual-polarized magneto-electric dipole antenna according to claim 1, characterized in that: The feeding structure comprises a first strip feeding patch, a second strip feeding patch, a first coaxial feeding probe, a second coaxial feeding probe, a first feeding port, and a second feeding port; The first strip-shaped feeding patch is located on the upper surface of the first dielectric plate, the second strip-shaped feeding patch is located between the first dielectric plate and the first adhesive layer, and the first strip-shaped feeding patch and the second strip-shaped feeding patch are arranged perpendicular to each other; The first coaxial feeding probe is located between the first dielectric plate, the first adhesive layer, the second dielectric plate, the second adhesive layer, and the third dielectric plate, and the upper end of the first coaxial feeding probe is connected to the first strip feeding patch, and the lower end is connected to the first feeding port; the second coaxial feeding probe is located between the first adhesive layer, the second dielectric plate, the second adhesive layer, and the third dielectric plate, and the upper end of the second coaxial feeding probe is connected to the second strip feeding patch, and the lower end is connected to the second feeding port.

9. The millimeter wave broadband dual-polarized magneto-electric dipole antenna according to claim 3, characterized in that: The suppression patch includes a strip suppression patch, a first suppression branch and a second suppression branch. There are 4 strip suppression patches, and the strip suppression patches are arranged in a square shape with a square suppression gap in the middle. The first suppression branch and the second suppression branch are respectively arranged at both ends of any corner of each strip suppression patch.

10. The millimeter wave broadband dual-polarized magneto-electric dipole antenna according to claim 2, characterized in that: The parasitic patch includes a first strip-shaped parasitic patch, a first circular parasitic patch, and a second circular parasitic patch. The first circular parasitic patch and the second circular parasitic patch are located at the left and right edges of the first strip-shaped parasitic patch.

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