WO2024037129A1 - Module d'antenne, réseau d'antennes et dispositif électronique - Google Patents

Module d'antenne, réseau d'antennes et dispositif électronique Download PDF

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Publication number
WO2024037129A1
WO2024037129A1 PCT/CN2023/098339 CN2023098339W WO2024037129A1 WO 2024037129 A1 WO2024037129 A1 WO 2024037129A1 CN 2023098339 W CN2023098339 W CN 2023098339W WO 2024037129 A1 WO2024037129 A1 WO 2024037129A1
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WO
WIPO (PCT)
Prior art keywords
pair
antenna
feeding part
antenna module
radiating
Prior art date
Application number
PCT/CN2023/098339
Other languages
English (en)
Chinese (zh)
Inventor
张帅
张倩铢
白婵
韦豪
钟永卫
Original Assignee
西安电子科技大学
Oppo广东移动通信有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 西安电子科技大学, Oppo广东移动通信有限公司 filed Critical 西安电子科技大学
Publication of WO2024037129A1 publication Critical patent/WO2024037129A1/fr

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Classifications

    • 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
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/27—Adaptation for use in or on movable bodies
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/27—Adaptation for use in or on movable bodies
    • H01Q1/28—Adaptation for use in or on aircraft, missiles, satellites, or balloons
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/27—Adaptation for use in or on movable bodies
    • H01Q1/32—Adaptation for use in or on road or rail vehicles
    • 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
    • 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
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
    • H01Q15/24—Polarising devices; Polarisation filters 
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
    • H01Q3/30—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array
    • H01Q3/34—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array by electrical means
    • 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
    • H01Q9/16—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole

Definitions

  • This application relates to the field of communication technology, and specifically to an antenna module, an antenna array and an electronic device.
  • antenna modules and antenna arrays provided in electronic devices have poor performance when communicating with polarized wireless devices. Therefore, how to improve the communication performance of the antenna module and antenna array has become a technical problem that needs to be solved.
  • This application provides an antenna module, an antenna array and electronic equipment with a simple feed structure and capable of improving radiation performance through phase shifting.
  • this application provides an antenna module, including:
  • a radiation unit including a pair of first radiating arms arranged along a first direction and a pair of second radiating arms arranged along a second direction, the first direction intersecting the second direction;
  • a feeding unit includes a first feeding part and a second feeding part arranged at intervals.
  • the first feeding part includes a transmission part, a first feeding part and a second feeding part connected in sequence.
  • the transmission part Used to electrically connect a radio frequency signal source, the first feeding part is arranged opposite and coupled to one of the first radiating arms, the second feeding part is arranged opposite to and coupled to the other first radiating arm, so
  • the third feeding part includes a third feeding part, a first connecting part and a fourth feeding part connected in sequence.
  • One end of the third feeding part is electrically connected to one of the second radiating arms, and the other end is used for Electrically connected to the radio frequency signal source, one end of the fourth feed part is electrically connected to the other second radiating arm; the first connection part is used to transmit the third feed part and the fourth feed part
  • the radio frequency current between the electrical parts is used to adjust the phase difference between the radio frequency current of the third power feeding part and the radio frequency current of the fourth power feeding part, wherein the radio frequency signal source is used to generate radio frequency current.
  • the present application also provides an antenna array, including a plurality of the antenna modules, the plurality of antenna modules are arranged in an array along the first direction, and two adjacent antenna modules The first radiating arms of the group are coupled; and/or the plurality of antenna modules are arranged in an array along the second direction, and the second radiating arms of two adjacent antenna modules are coupled.
  • the present application also provides an electronic device, including a device body, the antenna module or the antenna array, and the device body is used to carry the antenna module or the antenna array.
  • Figure 1 is a schematic structural diagram of an electronic device provided by an embodiment of the present application.
  • Figure 2 is a schematic structural diagram of the electronic device shown in Figure 1 including a device body and an antenna module;
  • Figure 3 is a schematic structural diagram of the electronic device shown in Figure 1 including a device body and an antenna array;
  • FIG. 4 is a schematic structural diagram of an antenna module provided by an embodiment of the present application.
  • Figure 5 is an exploded structural diagram of the antenna module shown in Figure 4 including a pair of first radiating arms, a pair of second radiating arms, a first feeder, and a second feeder;
  • Figure 6 is a schematic structural diagram of the antenna module shown in Figure 4 also including a dielectric layer;
  • Figure 7 is a schematic structural diagram of a pair of second radiating arms and a second feeder in the antenna module shown in Figure 4;
  • Figure 8 is a schematic structural diagram of a pair of first radiating arms, a first feeder and a second connection part in the antenna module shown in Figure 4;
  • Figure 9 is a schematic structural diagram of the first connection part including a first sub-connection part, a second sub-connection part and a third sub-connection part in the antenna module shown in Figure 7;
  • Figure 10 is a schematic structural diagram of the second connection portion extending along the first direction in the antenna module shown in Figure 8;
  • Figure 11 is a schematic structural diagram of the antenna module shown in Figure 4 in which the transmission portion of the first feed element is located between the third feed portion, the fourth feed portion and the first connection portion of the second feed element;
  • Figure 12 is a schematic structural diagram of the antenna module shown in Figure 4 also including a grounding piece;
  • Figure 13 is a schematic structural diagram of the antenna module shown in Figure 12 further including a pair of first coupling patches and a pair of second coupling patches;
  • Figure 14 is an exploded schematic diagram of the antenna module shown in Figure 13;
  • Figure 15 is a schematic structural diagram of an antenna array provided by an embodiment of the present application.
  • Figure 16 is a partial enlarged schematic diagram of the antenna array shown in Figure 15;
  • FIG. 17 is a schematic structural diagram of another antenna array provided by an embodiment of the present application.
  • Figure 18 is a partially enlarged schematic diagram of the antenna array shown in Figure 17;
  • Figure 19 is a schematic structural diagram of yet another antenna array provided by an embodiment of the present application.
  • Figure 20 is a schematic structural diagram of part of the first radiating arm of the antenna array according to the embodiment of the present application, which also includes grooves;
  • Figure 21 is a schematic structural diagram in which each first radiating arm of the antenna array includes a groove according to an embodiment of the present application
  • Figure 22 is a schematic structural diagram of the antenna array according to the embodiment of the present application further including a first coupling branch and a second coupling branch;
  • Figure 23 is a schematic diagram of the simulation results of the first polarization standing wave ratio of the antenna module provided by the embodiment of the present application.
  • Figure 24 is a schematic diagram of the second polarization standing wave ratio simulation results of the antenna module provided by the embodiment of the present application.
  • Figure 25 is the gain pattern of the E-plane and H-plane at the first polarization low frequency point of 24.25GHz of the antenna module provided by the embodiment of the present application;
  • Figure 26 is the gain pattern of the E-plane and H-plane at the second polarization low frequency point of 24.25GHz of the antenna module provided by the embodiment of the present application;
  • Figure 27 is the gain pattern of the E-plane and H-plane at the first polarization high frequency point 42.5GHz of the antenna module provided by the embodiment of the present application;
  • Figure 28 is the gain pattern of the E-plane and H-plane at the second polarization high frequency point 29.5GHz of the antenna module provided by the embodiment of the present application;
  • Figure 29 is the maximum radiation pattern of the first polarization that changes with frequency when the antenna array scanning angle is 0° provided by the embodiment of the present application;
  • Figure 30 is the maximum radiation pattern of the second polarization that changes with frequency when the antenna array scanning angle is 0° provided by the embodiment of the present application;
  • Figure 31 is the maximum radiation pattern of the first polarization as the angle changes when the scanning angle is 0° at the low frequency point of 24.25GHz for the antenna array provided by the embodiment of the present application;
  • Figure 32 is the maximum radiation pattern of the second polarization as the angle changes when the scanning angle is 0° at the low frequency point of 24.25GHz for the antenna array provided by the embodiment of the present application;
  • Figure 33 shows the maximum radiation pattern of the first polarization as the angle changes when the scanning angle is 60° at the low frequency point of 24.25GHz for the antenna array provided by the embodiment of the present application;
  • Figure 34 is the maximum radiation pattern of the second polarization as the angle changes when the scanning angle is 60° at the low frequency point of 24.25GHz for the antenna array provided by the embodiment of the present application;
  • Figure 35 is the maximum radiation pattern of the first polarization as the angle changes when the scanning angle is 0° at the high frequency point 42.5GHz of the antenna array provided by the embodiment of the present application;
  • Figure 36 shows the maximum radiation pattern of the second polarization as the angle changes when the scanning angle is 0° at the high frequency point of 29.5GHz for the antenna array provided by the embodiment of the present application;
  • Figure 37 is the maximum radiation pattern of the first polarization as the angle changes when the scanning angle is 60° at the high frequency point 42.5GHz of the antenna array provided by the embodiment of the present application;
  • Figure 38 shows the maximum radiation pattern of the second polarization as the angle changes when the scanning angle is 60° at the high frequency point of 29.5 GHz for the antenna array provided by the embodiment of the present application.
  • This application provides an antenna module, including:
  • a radiation unit including a pair of first radiating arms arranged along a first direction and a pair of second radiating arms arranged along a second direction, the first direction intersecting the second direction;
  • a feeding unit includes a first feeding part and a second feeding part arranged at intervals.
  • the first feeding part includes a transmission part, a first feeding part and a second feeding part connected in sequence.
  • the transmission part Used to electrically connect a radio frequency signal source, the first feeding part is arranged opposite and coupled to one of the first radiating arms, the second feeding part is arranged opposite to and coupled to the other first radiating arm, so
  • the second feeding part includes a third feeding part, a first connecting part and a fourth feeding part connected in sequence.
  • One end of the third feeding part is electrically connected to one of the second radiating arms, and the other end is used for Electrically connected to the radio frequency signal source, one end of the fourth feed part is electrically connected to the other second radiating arm; the first connection part is used to transmit the third feed part and the fourth feed part
  • the radio frequency current between the electrical parts is used to adjust the phase difference between the radio frequency current of the third power feeding part and the radio frequency current of the fourth power feeding part, wherein the radio frequency signal source is used to generate radio frequency current.
  • the first connecting part, the first power feeding part, the third power feeding part and the fourth power feeding part are arranged on the same layer.
  • the transmission part is bent and connected to the first power feeding part.
  • the first power feeding part further includes a second connection part, one end of the second connection part is electrically connected to the first power feeding part, and the other end of the second connection part is electrically connected to the second power feeding part.
  • Electrical part, the second connecting part is used to transmit the radio frequency current between the first feeding part and the second feeding part and to adjust the radio frequency current of the first feeding part and the second feeding part. The phase difference between the RF currents in the feed section.
  • the first direction is orthogonal to the second direction.
  • the antenna module further includes a pair of first coupling patches and a pair of second coupling patches, the pair of first coupling patches are respectively arranged opposite and coupled to the pair of first radiating arms, so The pair of second coupling patches are respectively arranged opposite and coupled to the pair of second radiating arms.
  • the first connection part includes a first sub-connection part, a second sub-connection part and a third sub-connection part connected in sequence, and one end of the first sub-connection part away from the second sub-connection part is electrically connected to The third power feeding part, one end of the third sub-connection part away from the second sub-connection part is electrically connected to the fourth power feed part, the first sub-connection part, the second sub-connection part and The third sub-connection portions are coplanar.
  • the first sub-connection part extends along the first direction
  • the second sub-connection part extends along the second direction
  • at least part of the third sub-connection part extends along the first direction.
  • the orthographic projection of the transmission part on the surface of the pair of first radiating arms is located at the orthographic projection of the third feed part on the surface of the pair of first radiating arms, and the fourth feed The electrical part is in a region between the orthographic projection of the plane on which the pair of first radiating arms are located and the orthographic projection of the first connecting part on the plane on which the pair of first radiating arms are located.
  • the second connection part, the first power feeding part and the second power feeding part are coplanar, and the first power feeding part and the second power feeding part are arranged oppositely along the first direction.
  • the second connecting portion extends along the first direction.
  • the antenna module further includes a dielectric layer, the pair of first radiating arms are carried on the dielectric layer, the pair of second radiating arms are carried on the dielectric layer, the first feeder, The third power feeding part and the fourth power feeding part penetrate through the dielectric layer.
  • the pair of first radiating arms and the pair of second radiating arms are arranged in opposite surfaces.
  • the antenna module further includes a grounding piece, the grounding piece is located on a side of the feed unit away from the radiating unit, and the grounding piece covers the pair of first radiating arms and the pair of third Two radiating arms, one end of the transmission part away from the first feed part passes through the ground member, one end of the third feed part away from the second radiating arm passes through the ground member, and the fourth feed part passes through the ground member.
  • One end of the feed portion away from the second radiating arm is spaced apart from the ground member.
  • the antenna module supports the 5G millimeter wave frequency band.
  • This application also provides an antenna array, including a plurality of the antenna modules, the plurality of antenna modules are arranged in an array along the first direction, and the first of two adjacent antenna modules The radiating arms are coupled; and/or the plurality of antenna modules are arranged in an array along the second direction, and the second radiating arms of two adjacent antenna modules are coupled.
  • the first radiating arms of two adjacent antenna modules exhibit an interdigital coupling; when the plurality of antenna modules are arranged along the When the antenna modules are arranged in an array in the second direction, the second radiating arms of two adjacent antenna modules exhibit interdigital coupling.
  • the edge of the first radiating arm of one of the two adjacent antenna modules forms one or more first radiating arms. Notches and one or more first extensions.
  • the edge of the first radiating arm of another antenna module forms one or more second notches and one or more second extensions.
  • the first extension at least partially extends into the second gap, and the second extension part at least partially extends into the first gap; when the plurality of antenna modules are arranged in an array along the second direction, adjacent
  • the edge of the second radiating arm of one of the two antenna modules forms one or more third notches and one or more third extensions, and the edge of the second radiating arm of the other antenna module forms a or multiple fourth notches and one or more fourth extension portions, the third extension portion at least partially extends into the fourth notch, and the fourth extension portion at least partially extends into the third notch Inside.
  • At least one of the pair of first radiating arms is provided with a groove.
  • the antenna array further includes a pair of first coupling branches and/or a pair of second coupling branches.
  • the pair of first coupling branches are arranged oppositely along the first direction and are respectively aligned with the antenna array along the first direction.
  • the pair of second coupling branches are coupled to the first radiating arms at the edge of the antenna array.
  • the pair of second coupling branches are arranged oppositely along the second direction and are respectively coupled to the second radiating arms at the edge of the antenna array along the second direction.
  • This application also provides an electronic device, including a device body, the antenna module or the antenna array, and the device body is used to carry the antenna module or the antenna array.
  • Figure 1 is a schematic structural diagram of an electronic device 100 provided by an embodiment of the present application.
  • the electronic device 100 may be a mobile phone, a tablet, a laptop, a computer, a watch, a drone, a robot, a base station, a radar, a Customer Premise Equipment (CPE), a vehicle-mounted device, a home appliance, or other devices with wireless communication functions. equipment.
  • the embodiment of this application takes a mobile phone as an example.
  • the electronic device 100 includes a device body 3 , an antenna module 1 or an antenna array 2 .
  • the device body 3 is used to carry the antenna module 1 or the antenna array 2 .
  • the frequency bands supported by the antenna array 2 and the antenna module 1 include but are not limited to the 5G millimeter wave frequency band.
  • the electronic device 100 includes a device body 3 and an antenna module 1 .
  • the antenna module 1 is used to send and receive electromagnetic wave signals (which may be 5G millimeter wave signals or electromagnetic wave signals in other frequency bands) to realize the communication function of the electronic device 100 .
  • This application does not specifically limit the position of the antenna module 1 in the electronic device 100.
  • FIG. 2 is only an example and should not be understood as limiting the position of the antenna module 1 in the electronic device 100.
  • the device body 3 is used to carry the antenna module 1 .
  • the device body 3 includes, but is not limited to, a display screen 31, a housing 32 (middle frame 320 and back cover 321), a circuit board 33, a camera module 34 and other components.
  • the display screen 31 and the housing 32 are connected to each other, and the circuit board 33 is located in the space between the display screen 31 and the housing 32 .
  • the antenna module 1 can be directly carried on one or more of the device body 3
  • the components (such as the circuit board 33 or the housing 32) can also be carried on one or more components of the device body 3 through other supporting structures.
  • the antenna module 1 can be located in the device body 3 (that is, in the space between the display screen 31 and the shell 32 ), or can be partially integrated on the shell 32 of the device body 3 .
  • the electronic device 100 includes a device body 3 and an antenna array 2 .
  • the antenna array 2 is used to transmit and receive electromagnetic wave signals (which may be 5G millimeter wave signals or electromagnetic wave signals in other frequency bands) to implement the communication function of the electronic device 100 .
  • This application does not specifically limit the position of the antenna array 2 on the electronic device 100.
  • FIG. 3 is only an example and should not be understood as limiting the position of the antenna array 2 on the electronic device 100.
  • the device body 3 is used to carry the antenna array 2 .
  • the device body 3 includes, but is not limited to, a display screen 31, a housing 32 (middle frame 320 and back cover 321), a circuit board 33 and other components.
  • the display screen 31 and the housing 32 are connected to each other, and the circuit board 33 is located in the space between the display screen 31 and the housing 32 .
  • the antenna array 2 can be directly carried on one or more components of the device body 3 , or can also be carried on one or more components of the device body 3 through other supporting structures.
  • the antenna array 2 may be located within the device body 3 (ie, in the space between the display screen 31 and the housing 32 ), or may be partially integrated on the housing 32 of the device body 3 .
  • the space left for the antenna module 1 and the antenna array 2 inside the electronic device 100 becomes increasingly limited. Therefore, the antenna module 1 and the antenna array 2 are miniaturized and compact. property, which is conducive to better applying the antenna module 1 and the antenna array 2 to the electronic device 100 with limited space, and realizing the communication function of the electronic device 100.
  • millimeter wave communication has become the key to today's 5G applications with its advantage of rich spectrum.
  • antennas with broadband performance are the focus of future research.
  • the 5G millimeter wave band covers 24.75GHz ⁇ 27.5GHz and 37GHz ⁇ 43.5GHz.
  • the size of the antenna decreases.
  • this application provides a small-volume, low-profile, broadband dual-polarized dipole antenna module 1 and a small-volume, low-profile, broadband tightly coupled dual-polarized dipole antenna array 2.
  • the following embodiments specifically describe the antenna module 1 and antenna array 2 provided by this application.
  • FIG 4 is a schematic structural diagram of an antenna module 1 provided by an embodiment of the present application.
  • the antenna module 1 includes a radiating unit 10 and a feeding unit 20 .
  • the radiation unit 10 includes a pair of first radiating arms 101 arranged along a first direction and a pair of second radiating arms 102 arranged along a second direction.
  • a pair of first radiating arms 101 are opposite and spaced apart along the first direction.
  • the pair of second radiating arms 102 are opposite and spaced apart along the second direction.
  • a pair of first radiating arms 101 forms a dipole.
  • a pair of second radiating arms 102 form a dipole.
  • the first direction intersects the second direction.
  • the intersection of the first direction and the second direction includes that the first direction and the second direction are two intersecting directions in the same plane, or the first direction and the second direction are two intersecting directions in space.
  • the pair of first radiating arms 101 and the pair of second radiating arms 102 may be arranged in the same plane or in different planes.
  • a pair of first radiating arms 101 and a pair of second radiating arms 102 are disposed on opposite sides as an example unless otherwise specified.
  • the pair of first radiating arms 101 and the pair of second radiating arms 102 are arranged on opposite sides, which is conducive to the compact arrangement of the pair of first radiating arms 101 and the compact arrangement of the pair of second radiating arms 102 to reduce the length of the antenna module 1
  • the size in the first direction and the second direction can reduce the coupling between the pair of first radiating arms 101 and the pair of second radiating arms 102 , that is, reduce the internal coupling effect of the antenna module 1 .
  • the angle between the first direction and the second direction may be 30°, 35°, 55°, 60°, 70°, 85°, 90°, etc. In the embodiment of the present application, the first direction and the second direction are perpendicular to each other as an example.
  • the first direction may refer to the X-axis direction of FIG. 4
  • the second direction may refer to the Y-axis direction of FIG. 4
  • the first direction and the second direction may intersect but not be perpendicular.
  • the material of the first radiating arm 101 and the material of the second radiating arm 102 are both conductive materials.
  • the material of the first radiating arm 101 and the material of the second radiating arm 102 may be metal, alloy, etc.
  • This application does not specifically limit the shapes of the first radiating arm 101 and the second radiating arm 102.
  • the shapes of the first radiating arm 101 and the second radiating arm 102 in FIG. 5 are only used as an example.
  • the shape of the first radiating arm 101 and the shape of the second radiating arm 102 may be the same or different.
  • the feeding unit 20 is arranged opposite to the radiation unit 10 . Specifically, the feeding unit 20 and the radiating unit 10 are arranged oppositely along the thickness direction of the antenna module 1 .
  • the thickness direction of the antenna module 1 can refer to the Z-axis direction in FIG. 4 .
  • the power feeding unit 20 includes a first power feeding part 201 and a second power feeding part arranged at intervals.
  • the second power feeding element includes a third power feeding part 202, a first connecting part 30 and a fourth power feeding part 203 that are connected in sequence.
  • the material of the first power feeding member 201 is conductive material.
  • the material of the first power feeding member 201 may be metal, alloy, etc.
  • the first power feeding part 201 includes a transmission part 210, a first power feeding part 211 and a second power feeding part 212 which are connected in sequence. It should be noted that the transmission part 210, the first power feeding part 211 and the second power feeding part 212 are connected in sequence.
  • the transmission part 210, the first power feeding part 211 and the second power feeding part 212 may be integrally connected, or they may be a transmission part. 210.
  • the first power feeding part 211 and the second power feeding part 212 are directly connected (for example, welded) together.
  • the transmission part 210, the first feeding part 211 and the second feeding part 212 are connected in sequence to represent the radio frequency current of the transmission part 210, the radio frequency current of the first feeding part 211 and the second feeding part 212. Radiofrequency currents can be transmitted to each other.
  • the transmission part 210 is used to electrically connect the radio frequency signal source.
  • the first feeding part 211 is arranged opposite to and coupled to a first radiating arm 101 .
  • the second feeding part 212 is disposed opposite and coupled to the other first radiating arm 101 .
  • the transmission part 210 may be directly electrically connected to the radio frequency signal source, or may be electrically connected to the radio frequency signal source through conductive wiring, conductive parts, etc.
  • the first feeding part 211 and a first radiating arm 101 are arranged opposite to each other along the thickness direction of the antenna module 1 and form a first coupling gap.
  • the second feeding part 212 is opposite to the other first radiating arm 101 along the thickness direction of the antenna module 1 and forms a second coupling gap.
  • the first coupling gap and the second coupling gap may be the same or different.
  • the first feed The distance along the thickness direction of the antenna module 1 between the first radiating arm 101 and the second feeding part 212 and the other first radiating arm 101 may be the same. It can also be different. In the following embodiments, it is assumed that the first coupling gap and the second coupling gap are the same unless otherwise specified. This application does not specifically limit the shape of the first power feeding member 201.
  • the transmission part 210 of the first feed member 201 may be a feed probe, a feed column, etc.
  • the first feed part 211 of the first feed member 201 may be a feed spring, a strip line, etc.
  • the second feeding part 212 of the first feeding part 201 may be a feeding spring, a strip line, or the like.
  • the first power feeding part 211 and the second power feeding part 212 are both circular power feeding sheets as an example.
  • the shape of the first power feeding part 211 and the second power feeding part 212 may vary.
  • the shape of the electrical part 212 may also be an ellipse, a square, a rectangle, a triangle, other polygons, an E-shape, an L-shape, and various special shapes.
  • the radio frequency signal source when the antenna module 1 is used to transmit wireless signals, the radio frequency signal source generates radio frequency current (high frequency current) and transmits it to the transmission part 210 of the first feeder 201.
  • the first feeder The transmission part 210 of 201 transmits the received radio frequency current to the first feeding part 211 of the first feeding part 201 and the second feeding part 212 of the first feeding part 201 respectively.
  • the first feeding part 211 of the first feeding part 201 transmits radio frequency current to a first radiating arm 101 through coupling with the first radiating arm 101.
  • the first radiating arm 101 converts the received radio frequency current into wireless
  • the signal is radiated toward the outside of the antenna module 1 .
  • the second feeding part 212 of the first feeding part 201 transmits radio frequency current to the first radiating arm 101 through coupling with another first radiating arm 101.
  • the first radiating arm 101 converts the received radio frequency current into The wireless signal is radiated toward the outside of the antenna module 1 .
  • a pair of first radiating arms 101 receives the wireless signals in the space and converts them into radio frequency currents and transmits them to the first power supply of the first feeder 201 respectively.
  • the feeding part 211 and the second feeding part 212 of the first feeding part 201, the first feeding part 211 of the first feeding part 201 and the second feeding part 212 of the first feeding part 201 will receive The radio frequency current is transmitted to the radio frequency signal source through the transmission part 210.
  • the material of the third power feeding part 202 is conductive material.
  • the material of the third power feeding part 202 may be metal, alloy, etc.
  • One end of the third power feeding part 202 is electrically connected to a second radiating arm 102, and the other end of the third power feeding part 202 is used to electrically connect to a radio frequency signal source.
  • the third feeding part 202 is used to transmit radio frequency current between the second radiating arm 102 and the radio frequency signal source.
  • One end of the third power feeding part 202 may be directly electrically connected to the second radiating arm 102 .
  • the other end of the third feeding part 202 may be directly electrically connected to the radio frequency signal source, or may be electrically connected to the radio frequency signal source through conductive wiring, conductive parts, etc.
  • This application does not specifically limit the shape of the third power feeding part 202.
  • the third feeding part 202 may be a feeding probe, a feeding elastic piece, a feeding column, or the like.
  • the radio frequency signal source when the antenna module 1 is used to transmit wireless signals, the radio frequency signal source generates radio frequency current (high frequency current) and transmits it to the third feeding part 202.
  • the third feeding part 202 will receive The radio frequency current is transmitted to a second radiating arm 102 and is converted into a wireless signal through the second radiating arm 102 and radiated toward the outside of the antenna module 1 .
  • the second radiating arm 102 when the antenna module 1 is used to receive wireless signals, receives the wireless signals in the space and converts them into radio frequency currents for transmission to the third feeding part 202.
  • the third feeding part 202 transmits the received radio frequency current to the radio frequency signal source.
  • the fourth power feeding part 203 is made of conductive material.
  • the material of the fourth power feeding part 203 may be metal, alloy, etc.
  • One end of the fourth feeding part 203 is electrically connected to the other second radiating arm 102 , and the other end of the fourth feeding part 203 is electrically connected to the third feeding part 202 through the first connecting part 30 .
  • the fourth feeding part 203 is used to transmit radio frequency current between the second radiating arm 102 and the third feeding part 202 .
  • one end of the fourth feeding part 203 may be directly electrically connected to the second radiating arm 102 .
  • This application does not specifically limit the shape of the fourth power feeding part 203.
  • the fourth feeding part 203 may be a feeding probe, a feeding elastic piece, a feeding column, or the like.
  • the radio frequency signal source when the antenna module 1 is used to transmit wireless signals, the radio frequency signal source generates radio frequency current (high frequency current) and transmits it to the third feeding part 202.
  • the radio frequency current of the third feeding part 202 It is transmitted to the fourth feeding part 203 through the first connecting part 30.
  • the fourth feeding part 203 transmits the received radio frequency current to another second radiating arm 102, and converts it into a wireless signal through the second radiating arm 102.
  • another second radiating arm 102 receives the wireless signals in the space and converts them into radio frequency currents for transmission to the fourth feeder 203.
  • the electrical part 203 transmits the received radio frequency current to the first connection part 30 , and transmits it to the radio frequency signal source through the first connection part 30 and the third feeding part 202 .
  • the first connection part 30 is electrically connected between the third power feeding part 202 and the other end of the fourth power feeding part 203 , and is used for transmitting the power between the third power feeding part 202 and the fourth power feeding part 203 .
  • the radio frequency current is used to adjust the phase difference between the radio frequency currents of the third power feeding part 202 and the fourth power feeding part 203 . It can be understood that in this application, one of the second radiating arms 102 of the pair of second radiating arms 102 directly obtains radio frequency current through the third feeding part 202, and the other second radiating arm 102 obtains radio frequency current through the fourth feeding part 203 and the third feeding part 202.
  • a connecting part 30 and a third power feeding part 202 obtain radio frequency current.
  • the first connecting part 30 may be bent or extended between the third power feeding part 202 and the fourth power feeding part 203 , or may extend in a straight line. This application does not specifically limit the shape, size, etc. of the first connecting part 30.
  • FIG. 5 is just an example of the first connecting part 30 and should not be understood as a structural limitation of the first connecting part 30.
  • the first connection part 30 may be symmetrical along the connection line between the third power feeding part 202 and the fourth power feeding part 203 .
  • the first connection part 30 may include conductive wires, conductive posts, conductive sheets, etc.
  • the material of the first connecting part 30 may be metal, alloy, etc.
  • the first connection part 30 is used to cause a phase delay in the radio frequency current of the fourth feed part 203 that is not directly electrically connected to the radio frequency signal source relative to the radio frequency current of the third feed part 202 that is directly electrically connected to the radio frequency signal source, so as to achieve a phase delay.
  • a phase delay is generated for the radio frequency current between the second radiating arms 102, so that the phase difference between the radio frequency current between the pair of second radiating arms 102 meets the design requirements.
  • the length of the first connection part 30 can be designed based on specific phase difference requirements. For example, the length of the first connecting part 30 may be a quarter wavelength, a half wavelength, etc. of the operating frequency of the antenna module 1 .
  • the first connection part 30 is used to adjust the radio frequency current of the third feed part 202 and the fourth feed part 202 .
  • the phase difference between the radio frequency currents of the electrical part 203 is such that the third power feeding part 202 and the fourth power feeding part 203 have anti-phase or in-phase radio frequency currents, that is, the radio frequency current of the third power feeding part 202 and the fourth power feeding part
  • the phase difference between the radio frequency currents of the portion 203 is n ⁇ (where n is greater than or equal to 1 and is an integer), so that the phase difference between the radio frequency currents between the pair of second radiating arms 102 is n ⁇ .
  • the first connection part 30 is used to adjust the phase difference between the radio frequency current of the third feeding part 202 and the radio frequency current of the fourth feeding part 203, so that the radio frequency current of the third feeding part 202 is consistent with the radio frequency current of the fourth feeding part 203.
  • the phase difference between the radio frequency currents of the four feeding parts 203 is 180°.
  • the first connection part 30 can be used to adjust the phase difference between the radio frequency current of the third feed part 202 and the radio frequency current of the fourth feed part 203, so that the third feed part 202
  • the phase difference with the fourth power feeding part 203 is 360°.
  • the third feed part 202 and the fourth feed part 203 have opposite-phase or same-phase radio frequency currents, so that there are opposite-phase or same-phase radio frequency currents between the pair of second radiating arms 102.
  • the radio frequency current can realize the linear polarization of the pair of second radiating arms 102, which is beneficial to the communication between the antenna module 1 and the device with the same linear polarization, and improves the revenue and efficiency of the antenna module 1.
  • FIG. 6 is a schematic structural diagram of the antenna module 1 provided by the embodiment of the present application, which also includes a dielectric layer 40 .
  • This application does not specifically limit the number of dielectric layers 40 .
  • a pair of first radiating arms 101 can be carried on the surface of the dielectric layer 40 or inside the dielectric layer 40 .
  • a pair of second radiating arms 102 can be carried on the surface of the dielectric layer 40 or inside the dielectric layer 40 .
  • the first feeder 201 , the third power feeding part 202 and the fourth power feeding part 203 may penetrate into the dielectric layer 40 .
  • the antenna module 1 provided by this application includes a pair of first radiating arms 101, a pair of second radiating arms 102, a first feeding part 201, a third feeding part 202, a fourth feeding part 203 and a first connecting part. 30. Since the first feeding part 201 is electrically connected to the radio frequency signal source and is coupled to a pair of first radiating arms 101, the third feeding part 202 is electrically connected to the radio frequency signal source and is electrically connected to a second radiating arm 102. The fourth feeding part 203 is electrically connected to another second radiating arm 102, and the first connecting part 30 is electrically connected between the third feeding part 202 and the fourth feeding part 203.
  • the first feeding part 201, the The three feeding parts 202, the first connecting part 30, and the fourth feeding part 203 form a feeding system of a pair of first radiating arms 101 and a pair of second radiating arms 102, which can be used for a pair of first radiating arms 101 and a pair of second radiating arms 102.
  • the feeding system formed by the first feeding part 201, the third feeding part 202, the first connecting part 30, and the fourth feeding part 203 has a simple structure and is convenient for production.
  • the feeding unit (the first feeding part 201, the third feeding part 202, the fourth feeding part 203) and the radiating unit (a pair of first radiating arms 101, a pair of second radiating arms 102) are stacked,
  • the first connecting part 30 is electrically connected between the third feeding part 202 and the fourth feeding part 203, which facilitates the arrangement of the first connecting part 30 on the layer where the feeding unit 10 is located, and reduces the cross-section of the antenna module 1. Reduce the size of the antenna module 1.
  • the first connection part 30 is used to adjust the phase difference between the radio frequency currents of the third feed part 202 and the fourth feed part 203, and can control the phase difference between the radio frequency currents of the pair of second radiating arms 102, Realizing the radiation direction adjustment, linear polarization, etc. of the pair of second radiating arms 102 is beneficial to improving communication performance when communicating with devices having the same polarization.
  • the first connection part 30 may be disposed on the same layer as the feeding unit 20 .
  • the first connection portion 30 is located between the side of the radiating unit 10 facing the feeding unit 20 and the side of the feeding unit 20 away from the radiating unit 10 .
  • the first connection part 30 is arranged on the same layer as the first power feeding part 201 , the third power feeding part 202 and the fourth power feeding part 203 .
  • the first connection part 30 may be carried on the same dielectric layer 40 as the first power feeding part 201 , the third power feeding part 202 and the fourth power feeding part 203 .
  • the transmission part 210 is bent and connected to the first power feeding part 211 .
  • the extending direction of the transmission part 210 is different from the extending direction of the first power feeding part 211 .
  • the transmission part 210 extends along the thickness direction (Z-axis direction) of the antenna module 1, and the first feed part 211 is located in the XY plane, that is, the first feed part 211 extends along the X-axis direction or Extend in the Y-axis direction.
  • the transmission part 210 and the first power feeding part 211 are bent and connected at approximately 90°, that is, the transmission part 210 and the first power feeding part 211 form an "L" shaped power feeding structure. Since the transmission part 210 is used to electrically connect the radio frequency signal source, and the transmission part 210 is bent and connected to the first feed part 211, the radio frequency current generated by the radio frequency signal source can be transmitted to the first feed part 211 through the transmission part 210, and then It is coupled to a first radiating arm 101 via a first power feeding part 211 .
  • the transmission part 210 and a first radiating arm 101 By bending the transmission part 210 to the first feed part 211, it is advantageous for the first feed part 211 and a first radiating arm 101 to be relatively arranged and coupled along the thickness direction of the antenna module 1, and the second feed part
  • the transmission part 210 and the first feed part 211 are also arranged along the thickness direction of the antenna module 1, forming a vertically arranged
  • the antenna module 1 and reducing the size of the antenna module 1 facilitate the miniaturization of the antenna module 1.
  • the antenna array 2 further includes a second connection part 50 .
  • One end of the second connection part 50 is electrically connected to the first power feeding part 211, and the other end of the second connection part 50 is electrically connected to the second power feeding part 212.
  • the second connection part 50 is used to transmit the first power feeding part 211 and the second power feeding part 212.
  • the radio frequency current between the feeding parts 212 is used to adjust the phase difference between the radio frequency current of the first feeding part 211 and the radio frequency current of the second feeding part 212 .
  • one end of the second connection part 50 is directly electrically connected to the first power feeding part 211
  • the other end of the second connection part 50 is directly electrically connected to the second power feeding part 212 .
  • the second connection part 50 and the first power feeding part 211 and the second power feeding part 212 may be arranged in the same plane, or may be arranged in different planes.
  • the first power feeding part 211, the second connecting part 50 and the second power feeding part 212 may be integrally formed. This application does not specifically limit the shape, size, etc. of the second connection part 50 .
  • FIG. 8 is only an example of the second connection part 50 and should not be understood as a structural limitation of the second connection part 50 .
  • the second connecting portion 50 may be bent or bent.
  • the material of the second connecting part 50 may be metal, alloy, etc.
  • the second connection part 50 is used to cause a phase delay in the radio frequency current of the second feed part 212 relative to the radio frequency current of the first feed part 211, so that the phase difference of the radio frequency current between the pair of first radiating arms 101 satisfies Design requirements.
  • the length of the second connection part 50 can be designed based on specific phase difference requirements.
  • the length of the second connecting part 50 may be a quarter wavelength, a half wavelength, etc. of the operating frequency of the antenna module 1 .
  • the radio frequency current generated by the radio frequency signal source is transmitted to the first feed part 211 through the transmission part 210, and is coupled to a first radiating arm 101 through the first feed part 211, and also passes through the first feed part 211,
  • the second connection part 50 is transmitted to the second power feeding part 212 and coupled to another first radiating arm 101 through the second power feeding part 212 .
  • the second connection part 50 is used to adjust the phase difference between the radio frequency currents of the first feed part 211 and the second feed part 212. Since the first feed part 211 and a first The radiating arm 101 is coupled, and the second feeding part 212 is coupled with another first radiating arm 101. Therefore, the second connecting part 50 can adjust the radio frequency currents of the first feeding part 211 and the second feeding part 212 to have an opposite phase. Or a radio frequency current in the same phase, so that there is an opposite phase or a radio frequency current in the same phase between a pair of first radiating arms 101, that is, the phase difference between the radio frequency currents of a pair of first radiating arms 101 is n ⁇ (where n is greater than or equal to 1 and is an integer).
  • linear polarization of the pair of first radiating arms 101 can be achieved, which is beneficial to the antenna module. 1 communicates with devices with the same polarization, improving the revenue and efficiency of the antenna module 1.
  • a pair of first radiating arms 101 can form linear polarization
  • a pair of second radiating arms 102 can form linear polarization
  • the antenna module 1 can be a crossed dual-polarized dipole antenna mode. Group.
  • first direction and the second direction are orthogonal, and a pair of first radiating arms 101 and a pair of second radiating arms 102 may form horizontal and vertical dual polarization, or positive and negative 45° dual polarization.
  • Horizontal and vertical dual polarization can receive antenna signals in the horizontal polarization direction and antenna signals in the vertical polarization direction, thereby forming an orthogonal dual polarization dipole antenna module 1 to improve the performance of the antenna module 1 with horizontal polarization. and/or performance when communicating with vertically polarized devices.
  • the positive and negative 45° dual polarization can receive antenna signals in any polarization direction, thereby forming an orthogonal dual polarization dipole antenna module 1 to improve the performance of the antenna module 1 in receiving wireless signals in all directions.
  • the second connection part 50 and the power feeding unit 20 are arranged on the same layer.
  • the second connection portion 50 is located between the side of the radiating unit 10 facing the feeding unit 20 and the side of the feeding unit 20 away from the radiating unit 10 .
  • the second connection part 50 is arranged on the same layer as the first power feeding part 201 , the third power feeding part 202 and the fourth power feeding part 203 .
  • the second connection part 50 may be carried on the same dielectric layer 40 as the first power feeding part 201 , the third power feeding part 202 and the fourth power feeding part 203 .
  • the first connection part 30 includes a first sub-connection part 301 , a second sub-connection part 302 and a third sub-connection part 303 that are connected in sequence.
  • the first sub-connection part 301, the second sub-connection part 302 and the third sub-connection part 303 may be connected in sequence.
  • the first sub-connection part 301, the second sub-connection part 302 and the third sub-connection part 303 may be integrally connected, or they may be The first sub-connection part 301, the second sub-connection part 302 and the third sub-connection part 303 are directly connected (for example: welded) together.
  • first sub-connection part 301, the second sub-connection part 302 and the third sub-connection part 303 are connected in sequence to represent the radio frequency current of the first sub-connection part 301, the radio frequency current of the second sub-connection part 302 and the third sub-connection part 302.
  • the radio frequency currents of the three sub-connection parts 303 can be transmitted to each other.
  • One end of the first sub-connection part 301 away from the second sub-connection part 302 is electrically connected to the third power feeding part 202 .
  • One end of the third sub-connection part 303 away from the second sub-connection part 302 is electrically connected to the fourth power feeding part 203 .
  • the radio frequency current of the third power feeding part 202 can be transmitted to the fourth power feeding part 203 through the first sub-connection part 301, the second sub-connection part 302 and the third sub-connection part 303 in sequence; the fourth power feeding part
  • the radio frequency current of 203 can be transmitted to the third power feeding part 202 through the third sub-connection part 303, the second sub-connection part 302 and the first sub-connection part 301 in sequence.
  • the first sub-connection part 301, the second sub-connection part 302 and the third sub-connection part 303 may all be transmission lines (for example, strip lines, strip lines, etc.).
  • the first sub-connection part 301, the second sub-connection part 302 and the third sub-connection part 303 are coplanar.
  • the first sub-connection part 301, the second sub-connection part 302 and the third sub-connection part 303 are coplanar, which is beneficial to forming the first sub-connection part 301, the second sub-connection part 302 and the third sub-connection part 303 on the dielectric layer 40, the phase difference of the radio frequency current between the third feed part 202 and the fourth feed part 203 can be adjusted to achieve linear polarization of the pair of second radiating arms 102 while lowering the first connection part
  • the production difficulty is 30%, which improves the mass production and production efficiency of the antenna module 1.
  • the overall cross-section of the antenna module 1 can also be reduced.
  • the first sub-connection part 301 may extend along the first direction
  • the second sub-connection part 302 may extend along the second direction
  • at least part of the third sub-connection part 303 may extend along the first direction.
  • the extension direction 1 of at least part of the first sub-connection part 301 is the same as the extension direction of at least part of the third sub-connection part 303
  • the extension direction of the second sub-connection part 302 is the same as the extension direction of at least part of the first sub-connection part 301.
  • direction and at least part of the extension direction of the third sub-connection portion 303 intersect.
  • a bent first connection part 30 can be formed. This is conducive to the extension size of the first connecting part 30 meeting the design requirements of the phase difference between the radio frequency current of the third feeding part 202 and the radio frequency current of the fourth feeding part 203. At the same time, the bent first connecting part 30 is It occupies less space and is also conducive to improving the compactness of the antenna module 1.
  • the first sub-connection part 301 includes a first sub-connection part 3010 and a second sub-connection part 3011 that are bent and connected. Specifically, the end of the first sub-connection part 3010 away from the second sub-connection part 3011 can be directly electrically connected to the third feed part 202, and the end of the second sub-connection part 3011 away from the first sub-connection part 3010 can be directly connected to the third feed part 202. One end of the second sub-connection part 302 is electrically connected. Part of the first sub-connection part 3010 may extend along the first direction, and part of the second sub-connection part 3011 may extend along the second direction.
  • the bending angle between the first sub-connection part 3010 and the second sub-connection part 3011 may be less than 90°, or equal to 90°, or greater than 90°; or the first sub-connection part 3010 and the second sub-connection part
  • the connecting parts 3011 can be connected in an arc shape.
  • the third sub-connection part 303 includes a third sub-connection part 3030 and a fourth sub-connection part 3031 that are bent and connected. Specifically, the end of the third sub-connection part 3030 away from the fourth sub-connection part 3031 can be directly electrically connected to the fourth feed part 203, and the end of the fourth sub-connection part 3031 away from the third sub-connection part 3030 can be directly connected to the fourth feed part 203.
  • the other end of the second sub-connection part 302 is electrically connected.
  • Part of the third sub-connection part 3030 may extend along the first direction, and part of the fourth sub-connection part 3031 may extend along the second direction.
  • the bending angle between the third sub-connection part 3030 and the fourth sub-connection part 3031 may be less than 90°, or equal to 90°, or greater than 90°; or the third sub-connection part 3030 and the fourth sub-connection part may be
  • the connecting parts 3031 can be connected in an arc shape. It can be understood that in this embodiment, part of the first sub-connection part 301 extends along the first direction, and part of the third sub-connection part 303 extends along the first direction.
  • the first sub-connection part 301 By making the first sub-connection part 301 include a first sub-connection part 3010 and a second sub-connection part 3011 that are bent and connected, a bent-shaped first sub-connection part 301 can be formed, which is beneficial to further extending the first connection.
  • the size of the portion 30 is such that it meets the design requirements for the phase difference between the radio frequency current of the third feed portion 202 and the radio frequency current of the fourth feed portion 203.
  • the bent first sub-connection portion 301 makes the first connection portion The space occupied by 30 is further reduced, which is more conducive to improving the compactness of the antenna module 1.
  • the third sub-connection part 303 By making the third sub-connection part 303 include the third sub-connection sub-section 3030 and the fourth sub-connection sub-section 3031 that are bent and connected, a bent-shaped third sub-connection part 303 can be formed, which is beneficial to further extending the first connection.
  • the size of the part 30 is such that it meets the design requirements of the phase difference between the radio frequency current of the third power feeding part 202 and the radio frequency current of the fourth power feeding part 203.
  • the bent third sub-connection part 303 makes the first connection part The space occupied by 30 is further reduced, which is more conducive to improving the compactness of the antenna module 1.
  • the first sub-connection part 301 and the third sub-connection part 303 are symmetrical.
  • the first sub-connection part 3010 and the third sub-connection part 3030 are symmetrical about the center line of the second sub-connection part 302
  • the second sub-connection part 3011 and the fourth sub-connection part 3031 are symmetrical about the second sub-connection part 302
  • the center line of 302 is symmetrical.
  • the center line of the second sub-connection part 302 may refer to line M in FIG. 9 .
  • first connection part 30 By making the first sub-connection part 301 and the third sub-connection part 303 symmetrical, it is beneficial to form the first connection part 30 with a symmetrical structure, thereby facilitating the connection between the third power feeding part 202 and the third power supply part 202 through the length design of the first connection part 30
  • the phase difference between the four feeding parts 203 is n ⁇ .
  • the second connecting part 50 , the first feeding part 211 and the second feeding part 212 are coplanar.
  • the second connection part 50 , the first power feeding part 211 and the second power feeding part 212 are coplanar, which facilitates the electrical connection of the second connection part 50 to the first power feeding part 211 and the second power feeding part 212 without increasing the thickness of the antenna module 1, the phase difference of the radio frequency current between the pair of first radiating arms 101 can be adjusted to achieve linear polarization of the pair of first radiating arms 101 while further achieving Low profile of antenna module 1.
  • the second connection part 50 , the first power feeding part 211 and the second power feeding part 212 are coplanar, which is beneficial to forming the second connection part 50 , the first power feeding part 211 and the second power feeding part 212 on the same plane.
  • the phase difference of the radio frequency current between the first feeding part 211 and the second feeding part 212 can be adjusted to achieve linear polarization of the pair of first radiating arms 101 while reducing the distance between the second connecting part 50 and the first
  • the production difficulty of the feeder 201 improves the mass productivity and production efficiency of the antenna module 1 .
  • the overall cross-section of the antenna module 1 can also be reduced.
  • the first power feeding part 211 and the second power feeding part 212 are arranged oppositely along the first direction, and the second connecting part 50 extends along the first direction. It can be understood that the first power feeding part 211, the second connecting part 50, and the second power feeding part 212 are arranged in a linear manner. By arranging the first feeding part 211 and the second feeding part 212 to be oppositely arranged along the first direction, and the second connecting part 50 extending along the first direction, the radio frequency current of the first feeding part 211 and the second feeding part can be realized.
  • the phase difference between the radio frequency currents of 212 is n ⁇ , and it is helpful to avoid interference between the second connection part 50 and the first connection part 30, and improve the phase accuracy between the third feed part 202 and the fourth feed part 203,
  • the phase accuracy between the first feeding part 211 and the second feeding part 212 enables the pair of first radiating arms 101 and the pair of second radiating arms 102 to have higher phase accuracy.
  • the orthographic projection of the transmission part 210 on the plane of the pair of first radiating arms 101 is located at the orthogonal projection of the third feed part 202 on the plane of the pair of first radiating arms 101 .
  • the four feed portions 203 are in the area between the orthographic projection of the plane on which the pair of first radiating arms 101 are located and the first connecting portion 30 is on the orthographic projection of the plane on which the pair of first radiating arms 101 are located.
  • the third power feeding part 202, the fourth power feeding part 203 and the first connection part 30 are surrounded by the outer peripheral side of the transmission part 210, that is, along the first direction, the transmission part 210 is located at the first connection part 30, Between the third power feeding part 202 and the fourth power feeding part 203; in the second direction, the transmission part 210 is also located between the first connection part 30, the third power feeding part 202 and the fourth power feeding part 203.
  • the fourth feeding part 203 is positioned on the plane of the pair of first radiating arms 101 .
  • the antenna module 1 has a compact structure and a small size.
  • the antenna module 1 also includes a grounding member 60 .
  • the material of the grounding piece 60 can be metal, alloy, etc.
  • the grounding member 60 may be electrically connected to the middle frame 320 of the electronic device 100 (see FIG. 2 ), or the grounding member 60 may be electrically connected to the reference ground of the circuit board 33 of the electronic device 100 , or the grounding member 60 may also be electrically connected to the electronic device 100 .
  • the reference ground of the circuit board 33 of the device 100 is integrated.
  • the grounding piece 60 is located on the side of the feeding unit 20 away from the radiating unit 10 . In other words, the radiating unit 10, the feeding unit 20 and the grounding member 60 are stacked in sequence.
  • the ground member 60 covers a pair of first radiating arms 101 and a pair of second radiating arms 102 . It can be understood that the area of the ground member 60 is greater than or equal to the sum of the areas of the pair of first radiating arms 101 and the pair of second radiating arms 102 .
  • the end of the transmission part 210 away from the first feed part 211 passes through the ground member 60
  • the end of the third feed part 202 away from the second radiating arm 102 passes through the ground member 60
  • the end of the fourth feed part 203 away from the second radiating arm 102 It is spaced apart from the grounding member 60 .
  • the end of the transmission part 210 of the first feed part 201 away from the first feed part 211 extends to the outside of the antenna module 1 by penetrating the ground part 60 to facilitate electrical connection with the radio frequency signal source;
  • the third feed part The end of 202 away from the second radiating arm 102 extends to the outside of the antenna module 1 by penetrating the grounding member 60 to facilitate electrical connection with the radio frequency signal source;
  • the fourth feeding part 203 is located between the grounding member 60 and the second radiating arm 102.
  • the fourth feeding part 203 is electrically connected to the second radiating arm 102 and has a gap between it and the grounding member 60 to avoid radiation from the fourth feeding part 203.
  • Frequency current returns directly to ground.
  • the transmission part 210 , the third power feeding part 202 and the fourth power feeding part 203 are not directly electrically connected to the grounding member 60 .
  • the radiation signals of the pair of first radiating arms 101 and the pair of second radiating arms 102 can be reflected, thereby extending the transmission distance of the antenna module 1 and improving the communication performance of the antenna module 1.
  • the grounding members 60 of the multiple antenna modules 1 may form an integral grounding member 60.
  • the antenna module 1 also includes a pair of first coupling patches 70 and a pair of second coupling patches 80 .
  • the pair of first coupling patches 70 are respectively arranged opposite to and coupled to the pair of first radiating arms 101 .
  • a pair of second coupling patches 80 are respectively disposed opposite to and coupled to a pair of second radiating arms 102 .
  • a pair of first coupling patches 70 are arranged opposite each other along the first direction, and one of the first coupling patches 70 is arranged opposite and coupled to one first radiating arm 101 , and the other first coupling patch 70 is arranged opposite to the other first radiating arm 101 .
  • a first radiating arm 101 is arranged oppositely and coupled.
  • a pair of second coupling patches 80 are arranged opposite each other along the second direction, and one of the second coupling patches 80 is arranged opposite and coupled to one second radiating arm 102 , and the other second coupling patch 80 is arranged opposite to the other second radiating arm 102 .
  • the arms 102 are oppositely positioned and coupled.
  • This application does not specifically limit the shape, size, material, etc. of the first coupling patch 70 and the second coupling patch 80 .
  • the shape of the first coupling patch 70 may be a circle, a square, a rectangle, a triangle, an ellipse, other polygons, various special shapes, etc.
  • the shape of the second coupling patch 80 may be a circle, a square, a rectangle, a triangle, an ellipse, other polygons, various special shapes, etc.
  • the size of the first coupling patch 70 along the first direction may be less than, equal to, or greater than the size of the first radiating arm 101 along the first direction; the size of the first coupling patch 70 along the second direction may be less than, equal to, or greater than the first direction.
  • the size of the second coupling patch 80 along the first direction may be less than, equal to, or greater than the size of the second radiating arm 102 along the first direction; the size of the second coupling patch 80 along the second direction may be less than, equal to, or greater than the second direction.
  • the material of the first coupling patch 70 may be metal, alloy, etc.
  • the material of the second coupling patch 80 may be metal, alloy, etc.
  • the coupling between the first coupling patch 70 and the first radiating arm 101 can be understood as forming a third coupling gap between the first coupling patch 70 and the first radiating arm 101 .
  • the coupling between the second coupling patch 80 and the second radiating arm 102 can be understood as forming a fourth coupling gap between the second coupling patch 80 and the second radiating arm 102 .
  • the third coupling gap and the fourth coupling gap may be the same or different.
  • the pair of first coupling patches 70 can respectively serve as matching circuits for a pair of first radiating arms 101 , thereby facilitating the design of a pair of first radiating arms 101 .
  • the structure and position of the first coupling patch 70 are adjusted to adjust the current distribution of the pair of first radiating arms 101 to achieve the radiation effect of the pair of first radiating arms 101 and improve the broadband and ultra-wideband characteristics of the antenna module 1 .
  • the pair of first coupling patches 70 can also serve as coupling branches of a pair of first radiating arms 101 to participate in radiation to improve the communication performance of the antenna module 1 .
  • the pair of second coupling patches 80 can respectively serve as matching circuits for a pair of second radiating arms 102 , thereby facilitating the design of a pair of second radiating arms 102 .
  • the structure and position of the second coupling patch 80 are adjusted to adjust the current distribution of the pair of second radiating arms 102 to achieve the radiation effect of the pair of second radiating arms 102 and improve the broadband and ultra-wideband characteristics of the antenna module 1 .
  • a pair of second coupling patches 80 can also serve as coupling branches of a pair of second radiating arms 102 to participate in radiation to improve the communication performance of the antenna module 1 .
  • a pair of first coupling patches 70 is located between the radiation unit 10 and the grounding member 60 . It can be understood that the first radiating arm 101 , the first coupling patch 70 and the grounding piece 60 are arranged in sequence along the thickness direction of the antenna module 1 .
  • the antenna module 1 also includes at least one first coupling ground member 701 and at least one second coupling ground member 702.
  • the at least one first coupling ground member 701 is electrically connected between a first coupling patch 70 and the ground member 60.
  • At least A second coupling ground component 702 is electrically connected between the other first coupling patch 70 and the ground component 60 . This application does not specifically limit the number of first coupling ground members 701 and the number of second coupling ground members 702 .
  • the number of first coupling ground members 701 and the number of second coupling ground members 702 may be the same or different.
  • the number of the first coupling ground members 701 is two, and the two first coupling ground members 701 are electrically connected between a first coupling patch 70 and the ground member 60; the second coupling ground member 701 is electrically connected between the first coupling patch 70 and the ground member 60;
  • the number of components 702 is two, and the two second coupling ground components 702 are electrically connected between another first coupling patch 70 and the ground component 60 .
  • the antenna module 1 By disposing the pair of first coupling patches 70 between the radiating unit 10 and the ground member 60 , the antenna module 1 can have a lower profile. And a first coupling patch 70 is grounded through the first coupling grounding piece 701, so that the first coupling grounding piece 701 and the first radiating arm 101 can also form coupling, thereby increasing the adjustment diversity of the current distribution of the first radiating arm 101. The bandwidth diversity of the antenna module 1 is achieved, and the first coupling ground piece 701 is involved in radiation, thereby improving the communication performance of the antenna module 1 .
  • the other first coupling patch 70 is grounded through the second coupling ground piece 702 , so that the second coupling ground piece 702 can also form coupling with the other first radiating arm 101 , thereby increasing the current distribution of the other first radiating arm 101 .
  • a pair of second coupling patches 80 is located on a side of the radiating unit 10 away from the ground member 60 . It can be understood that the second coupling patch 80 , the second radiating arm 102 , and the grounding member 60 are arranged in sequence along the thickness direction of the antenna module 1 . Since a pair of second coupling patches 80 are arranged opposite and coupled to a pair of second radiating arms 102 respectively, and the first feeding part 211 of the fourth feeding part 203 is arranged opposite and coupled to a second radiating arm 102, the third The second feed portion 212 of the four feed portions 203 is disposed opposite and coupled to the other second radiating arm 102 .
  • a pair of second coupling patches 80 is located on the side of the radiating unit 10 away from the ground member 60 to avoid a problem.
  • the interference between the second coupling patch 80 and the first feeding part 211 and the second feeding part 212 takes into account the feeding effect of the first feeding part 211 and the second feeding part 212 on the pair of first radiating arms 101 And the adjustment effect of the pair of second coupling patches 80 on the pair of first radiating arms 101.
  • the antenna module 1 provided in this application can form a crossed or orthogonal dual-polarized dipole antenna module by designing the first connection part 30 and the second connection part 50 .
  • the structure of the first connection part 30 and its arrangement between the first power feeding part 201 , the third power feeding part 202 and the fourth power feeding part 203 can realize the third power feeding part 202 and the fourth power feeding part 203
  • the phase difference between the radio frequency currents is designed to achieve linear polarization of the pair of second radiating arms 102, while improving the compactness of the antenna module 1 and reducing the cross-section of the antenna module 1.
  • the structure of the second connecting part 50 and its arrangement between the first feeding part 211 and the second feeding part 212 can realize the phase of the radio frequency current between the first feeding part 211 and the second feeding part 212 Differential design, thereby achieving linear polarization of a pair of first radiating arms 101, and at the same time, it is conducive to increasing the isolation between the second connection part 50 and the first connection part 30, and preventing the second connection part 50 from being connected with the first connection part 30.
  • the mutual interference improves the phase accuracy of the pair of first radiating arms 101 and the pair of second radiating arms 102 .
  • the design of the first coupling patch 70 and the second coupling patch 80 can improve the radiation effect and matching effect of the antenna module 1 while ensuring a low profile of the antenna module 1, so that the antenna module 1 has better radiation performance. , broaden the bandwidth of antenna module 1.
  • Figure 15 is a schematic diagram of an antenna array 2 provided by an embodiment of the present application.
  • Figure 17 is a schematic diagram of another antenna array 2 provided by an embodiment of the present application.
  • Figure 19 is a schematic diagram of an antenna array 2 provided by an embodiment of the present application.
  • the embodiment provides a schematic diagram of yet another antenna array 2.
  • the antenna array 2 includes a plurality of antenna modules 1 . Multiple antenna modules 1 are arranged in an array. This application does not specifically limit the number of antenna modules 1 included in the antenna array 2 and the array arrangement of the antenna array 2 .
  • multiple antenna modules 1 can be arranged in a linear array (one row and multiple columns, or multiple rows and one column), or multiple antenna modules 1 can be arranged in a matrix array (multiple rows and multiple columns, and the number of rows and columns (different numbers), or multiple antenna modules 1 can be arranged in a square array (multiple rows and multiple columns, and the number of rows and columns are the same), etc.
  • the plurality of antenna modules 1 are arranged in an array along the first direction, and the first radiating arms 101 of two adjacent antenna modules 1 are coupled; and/or the plurality of antenna modules 1 are arranged in an array along the second direction.
  • the array is arranged, and the second radiating arms 102 of two adjacent antenna modules 1 are coupled.
  • the antenna array 2 includes four antenna modules 1 .
  • the four antenna modules 1 are arranged in a linear array along the first direction, and the first radiating arms 101 of two adjacent antenna modules 1 are coupled.
  • the first direction may refer to the X-axis direction in Figure 15.
  • the four antenna modules 1 include four pairs of first radiating arms 101, and the four antenna modules 1 have three adjacent groups of first radiating arms 101. coupling.
  • the first direction is also the arrangement direction of the first radiating arms 101 of the four antenna modules 1 . It can be understood that the first radiating arms 101 of multiple antenna modules 1 are arranged along the first direction, and the first radiating arms 101 of two adjacent antenna modules 1 are oppositely arranged along the first direction and form a coupling gap.
  • the first radiating arms 101 of two adjacent antenna modules 1 exhibit an interdigital coupling. Specifically, the edge of the first radiating arm 101 of one of the two adjacent antenna modules 1 forms one or more first notches 101a and one or more first extensions 101b, and the other antenna The edge of the first radiating arm 101 of the module 1 forms one or more second notches 101c and one or more second extension parts 101d.
  • the first extension part 101b at least partially extends into the second notch 101c.
  • the extension portion 101d at least partially extends into the first notch 101a, and the edges of the first radiating arms 101 of two adjacent antenna modules 1 intersect but do not contact, so as to form an interdigital coupling.
  • the edge of the first radiating arm 101 of one antenna module 1 includes a plurality of first notches 101a and a plurality of first extensions 101b, and a plurality of first extensions 101b.
  • a notch 101a and a plurality of first extension portions 101b are arranged adjacent to each other, that is, two adjacent first notches 101a are provided with one first extension portion 101b, and two adjacent first extension portions 101b are provided with a first extension portion 101b.
  • a notch 101a; the edge of the first radiating arm 101 of another antenna module 1 includes a plurality of second notches 101c and a plurality of second extension portions 101d, and the plurality of second notches 101c and the plurality of second extension portions 101d intersect with each other.
  • the first notch 101a may be a rectangle, a circle, an ellipse, a square, a triangle, a trapezoid, other polygons, various special shapes, etc.
  • the second notch 101c may be a rectangle, a circle, an ellipse, a square, a triangle, a trapezoid, other polygons, various special shapes, etc.
  • the first extension part 101b may be a rectangle, a circle, an ellipse, a square, a triangle, a trapezoid, other polygons, various special shapes, etc.
  • the second extension part 101d may be a rectangle, a circle, an ellipse, a square, a triangle, a trapezoid, other polygons, various special shapes, etc.
  • a closely coupled array antenna can be formed, thereby reducing the size of the antenna array 2 and improving the compactness of the antenna array 2.
  • the mutual coupling effect of two adjacent antenna modules 1 can also be used to achieve the broadband and ultra-wideband characteristics of the antenna array 2.
  • the antenna array 2 includes eight antenna modules 1 .
  • the eight antenna modules 1 are arranged in an array along the second direction, and the second radiating arms 102 of two adjacent antenna modules 1 are coupled.
  • the second direction may refer to the Y-axis direction in Figure 17.
  • the eight antenna modules 1 include eight pairs of second radiating arms 102, and the eight antenna modules 1 have a total of seven adjacent groups of second radiating arms 102. coupling.
  • the second direction is also the arrangement direction of the second radiating arms 102 of the eight antenna modules 1 . It can be understood that the second radiating arms 102 of multiple antenna modules 1 are arranged along the second direction, and the second radiating arms 102 of two adjacent antenna modules 1 are oppositely arranged along the second direction and form a coupling gap.
  • the second radiating arms 102 of two adjacent antenna modules 1 exhibit an interdigital coupling.
  • the edge of the second radiating arm 102 of one of the two adjacent antenna modules 1 forms one or more third notches 102a and one or more third extensions 102b, and the other antenna
  • the edge of the second radiating arm 102 of the module 1 forms one or more fourth notches 102c and one or more fourth extension parts 102d.
  • the third extension part 102b at least partially extends into the fourth notch 102c.
  • the extension portion 102d at least partially extends into the third notch 102a, and the edges of the second radiating arms 102 of two adjacent antenna modules 1 intersect but do not contact, so as to form an interdigital coupling.
  • the edge of the second radiating arm 102 of one antenna module 1 includes a plurality of third gaps.
  • the opening 102a and the plurality of third extension parts 102b, the plurality of third notches 102a and the plurality of third extension parts 102b are arranged adjacently and intersectingly, that is, two adjacent third notches 102a are provided with a third extension part 102b.
  • the fourth notch 102c and a plurality of fourth extension portions 102d are arranged adjacent to each other, that is, two adjacent fourth notches 102c are provided with a fourth extension portion 102d, and there is a fourth extension portion 102d between the two adjacent fourth notches 102d.
  • the third notch 102a may be a rectangle, a circle, an ellipse, a square, a triangle, a trapezoid, other polygons, various special shapes, etc.
  • the fourth gap 102c can be a rectangle, a circle, an ellipse, a square, a triangle, a trapezoid, other polygons, various special shapes, etc.
  • the third extension part 102b may be a rectangle, a circle, an ellipse, a square, a triangle, a trapezoid, other polygons, various special shapes, etc.
  • the fourth extension part 102d may be a rectangle, a circle, an ellipse, a square, a triangle, a trapezoid, other polygons, various special shapes, etc.
  • a closely coupled array antenna can be formed, thereby reducing the size of the antenna array 2 and improving the compactness of the antenna array 2.
  • the mutual coupling effect of two adjacent antenna modules 1 can also be used to achieve the broadband and ultra-wideband characteristics of the antenna array 2.
  • the antenna array 2 includes four antenna modules 1 .
  • the four antenna modules 1 include four pairs of first radiating arms 101 and four pairs of second radiating arms 102 . Two or two antenna modules 1 are arranged in an array along the first direction, and the first radiating arms 101 of two adjacent antenna modules 1 are coupled; two or two antenna modules 1 are arranged in an array along the second direction, and The second radiating arms 102 of two adjacent antenna modules 1 are coupled.
  • the first direction may refer to the X-axis direction in FIG. 19
  • the second direction may refer to the Y-axis direction in FIG. 19 .
  • the first direction is perpendicular to the second direction.
  • first direction and the second direction may intersect but not be perpendicular.
  • the first radiating arms 101 of two antenna modules 1 arranged in an array along the first direction are respectively arranged along the first direction, and the first radiating arms 101 of two adjacent antenna modules 1 are opposite to each other along the first direction.
  • the second radiating arms 102 of two antenna modules 1 arranged in an array along the second direction are respectively arranged along the second direction, and the second radiating arms 102 of two adjacent antenna modules 1 are arranged oppositely along the second direction. and form a coupling gap.
  • the first radiating arms 101 of two adjacent antenna modules 1 are coupled to each other, and the second radiating arms 102 of the two adjacent antenna modules 1 are coupled to each other.
  • the edge of the first radiating arm 101 of one of the two antenna modules 1 arranged in an array along the first direction forms one or more fifth notches 101e and one or more fifth extensions. part 101f.
  • the edge of the first radiating arm 101 of another antenna module 1 forms one or more sixth notches 101g and one or more sixth extension parts 101h.
  • the fifth extension part 101f at least partially extends into the sixth In the notch 101g
  • the sixth extension portion 101h at least partially extends into the fifth notch 101e
  • the edges of the first radiating arms 101 of two adjacent antenna modules 1 intersect but do not contact, so as to form a cochin coupling.
  • One or more seventh notches 102e and one or more seventh extensions 102f are formed on the edge of the second radiating arm 102 of one of the two antenna modules 1 arranged in an array along the second direction.
  • the edge of the second radiating arm 102 of another antenna module 1 forms one or more eighth notches 102g and one or more eighth extension portions 102h.
  • the seventh extension portion 102f at least partially extends into the eighth notch 102g.
  • the eighth extension portion 102h at least partially extends into the seventh notch 102e, and the edges of the second radiating arms 102 of two adjacent antenna modules 1 intersect but do not contact, so as to form an interdigital coupling.
  • a tightly coupled array antenna can be formed, thereby reducing the size of the antenna array 2
  • the size improves the compactness of the antenna array 2.
  • the mutual coupling effect of two adjacent antenna modules 1 can also be used to achieve broadband and ultra-wideband characteristics.
  • At least one first radiating arm 101 of a pair of first radiating arms 101 is provided with a groove 1010.
  • the groove 1010 is used to change the intensity of the first radiating arm 101.
  • the flow path of RF current is provided.
  • a first radiating arm 101 in each antenna module 1 of the antenna array 2 is provided with a groove 1010 .
  • the groove 1010 may be a rectangular groove, a circular groove, a square groove, a triangular groove, other polygonal grooves, various special-shaped grooves, etc.
  • a rectangular slot is taken as an example.
  • a pair of first radiating arms 101 in each antenna module 1 of the antenna array 2 is provided with a groove 1010 .
  • the groove 1010 may be a rectangular groove, a circular groove, a square groove, a triangular groove, other polygonal grooves, various special-shaped grooves, etc.
  • a rectangular slot is taken as an example.
  • the antenna array 2 may also include a pair of first coupling branches 1011 and/or a pair of second coupling branches 1012 .
  • the antenna array 2 includes a pair of first coupling branches 1011.
  • a pair of first coupling branches 1011 are arranged opposite each other along the first direction and are respectively coupled to the first radiating arms 101 at the edge of the antenna array 2 along the first direction.
  • the first coupling branch 1011 is coupled to the first radiating arm 101 at the edge of the antenna array 2 along the first direction.
  • the antenna array 2 further includes a pair of second coupling branches 1012 .
  • a pair of second coupling branches 1012 are arranged opposite each other along the second direction, and are respectively coupled to the second radiating arms 102 at the edge of the antenna array 2 along the second direction.
  • the second coupling branch 1012 is coupled to the second radiating arm 102 at the edge of the antenna array 2 along the second direction.
  • the antenna array 2 can be adjusted along the first The radiation effect of the first radiating arm 101 at the edge in one direction, so that the first radiating arm 101 at the edge and the first radiating arm 101 coupled in the middle have the same or similar radiation effect, so that the first radiating arm 101 at the edge has the same or similar radiation effect.
  • 101 also has corresponding operating bandwidth, gain, etc.
  • the radiation effect of the second radiating arm 102 at the edge of the antenna array 2 along the second direction can be adjusted, so that the second radiating arm 102 at the edge and the second radiating arm 102 in the middle are coupled in an interdigital manner.
  • the same or similar radiation effect causes the second radiation arm 102 at the edge to also have the same or similar operating bandwidth, gain, efficiency, etc.
  • the antenna module 1 is a tightly coupled dual-polarized dipole antenna module that supports a frequency range of 20 to 45 GHz, and its central operating frequency is 30 GHz.
  • the total thickness of the antenna module 1 is 0.156 times the wavelength corresponding to the highest operating frequency.
  • Figure 23 is a schematic diagram of the simulation results of the standing wave ratio of the first polarization (first direction linear polarization) of the above-mentioned antenna module 1.
  • the horizontal axis represents frequency, in GHz; the vertical axis represents the voltage standing wave ratio (VSWR) of antenna module 1, also known as standing wave ratio, or standing wave coefficient.
  • VSWR voltage standing wave ratio
  • the frequency range in which the standing wave ratio of the first polarization of the antenna module 1 is less than 3 includes 16.78GHz ⁇ 42.81GHz.
  • the antenna module 1 covers the 5G millimeter wave operating frequency band 24.25GHz ⁇ 29.5GHz, 37GHz ⁇ 42.5GHz.
  • the standing wave ratio is an important indicator to measure the feeding efficiency of the antenna module 1; the smaller the standing wave ratio, the less reflection, and the better the matching.
  • the smaller standard is the standing wave ratio less than 3.
  • the standing wave ratio of the antenna module 1 provided by the embodiment of the present application is controlled at a low value, and the feeding effect of the pair of first radiating arms 101 is better.
  • Figure 24 is a schematic diagram of the simulation results of the second polarization (second direction linear polarization) standing wave ratio of the above-mentioned antenna module 1.
  • the horizontal axis represents frequency in GHz; the vertical axis represents the standing wave ratio of antenna module 1.
  • the frequency range of the second polarization standing wave ratio of the antenna module 1 is less than 3, including 20.28GHz ⁇ 31.06GHz.
  • the antenna module 1 covers the 5G millimeter wave operating frequency band 24.25GHz ⁇ 29.5GHz, 37GHz ⁇ 42.5GHz.
  • the standing wave ratio of the antenna module 1 is controlled at a low value, and the feeding effect of the pair of second radiating arms 102 is better.
  • Figure 25 is the gain pattern of the E-plane and H-plane of the antenna module 1 at the first polarization low frequency point of 24.25GHz. It can be seen from the figure that the gain pattern of the E-plane of the antenna module 1 and the gain pattern of the H-plane have good consistency, and there is no distortion in the gain pattern.
  • the antenna module 110 operates in the broadband of the first polarization. It has stable wide radiation beam characteristics within the band.
  • Figure 26 is the gain pattern of the E-plane and H-plane of the antenna module 1 at the second polarization low frequency point of 24.25GHz. It can be seen from the figure that the gain pattern of the E-plane of the antenna module 1 and the gain pattern of the H-plane have good consistency, and there is no distortion in the gain pattern.
  • the antenna module 110 operates in the broadband of the second polarization. It has stable wide radiation beam characteristics within the band.
  • Figure 27 is the gain pattern of the E-plane and H-plane of the antenna module 1 at the first polarization high frequency point of 42.5GHz. It can be seen from the figure that the gain pattern of the E-plane of the antenna module 1 and the gain pattern of the H-plane have good consistency, and there is no distortion in the gain pattern.
  • the antenna module 110 operates in the broadband of the first polarization. It has stable wide radiation beam characteristics within the band.
  • Figure 28 is the gain pattern of the E-plane and H-plane of the antenna module 1 at the second polarization high frequency point of 29.5GHz. It can be seen from the figure that the gain pattern of the E-plane of the antenna module 1 and the gain pattern of the H-plane have good consistency, and there is no distortion in the gain pattern.
  • the antenna module 110 operates in the broadband of the second polarization. It has stable wide radiation beam characteristics within the band.
  • Figure 29 shows the maximum radiation pattern of the first polarization as a function of frequency when the scanning angle of the antenna array 2 is 0°.
  • the horizontal axis is frequency in GHz
  • the vertical axis is gain value in dB. It can be seen from the figure that the antenna array 2 can achieve a gain greater than 8.56dB in the 5G millimeter wave operating frequency band, which indicates that the antenna array is in good working condition in the first polarization.
  • Figure 30 shows the maximum radiation pattern of the second polarization as a function of frequency when the scanning angle of the antenna array 2 is 0°.
  • the horizontal axis is frequency in GHz
  • the vertical axis is gain value in dB. It can be seen from the figure that the antenna array 2 can achieve a gain greater than 5.75dB in the 5G millimeter wave operating frequency band, which indicates that the antenna array is in good working condition in the second polarization.
  • Figure 31 shows the maximum radiation pattern of the first polarization as the angle changes when the scanning angle of the antenna array 2 is 0° at the low frequency point of 24.25 GHz.
  • the abscissa is the azimuth angle; the ordinate is the gain value in dB. It can be seen from the figure that the achievable gain when the azimuth angle is 0° is 8.56dB, and the antenna array 2 has stable broadband radiation beam characteristics in a wide frequency band.
  • Figure 32 shows the maximum radiation pattern of the second polarization as the angle changes when the scanning angle of the antenna array 2 is 0° at the low frequency point of 24.25GHz.
  • the abscissa is the azimuth angle; the ordinate is the gain value in dB. It can be seen from the figure that the achievable gain when the azimuth angle is 0° is 5.75dB, and the antenna array 2 has stable broadband radiation beam characteristics in a wide frequency band.
  • Figure 33 shows the maximum radiation pattern of the first polarization as the angle changes when the scanning angle of the antenna array 2 is 60° at the low frequency point of 24.25 GHz.
  • the abscissa is the azimuth angle; the ordinate is the gain value in dB. It can be seen from the figure that the achievable gain when the azimuth angle is 0° is 4.64dB, and the antenna array 2 has stable broadband radiation beam characteristics in a wide frequency band.
  • Figure 34 shows the maximum radiation pattern of the second polarization as the angle changes when the scanning angle of the antenna array 2 is 60° at the low frequency point of 24.25 GHz.
  • the abscissa is the azimuth angle; the ordinate is the gain value in dB. It can be seen from the figure that the achievable gain when the azimuth angle is 0° is 5.91dB, and the antenna array 2 has stable broadband radiation beam characteristics in a wide frequency band.
  • Figure 35 shows the maximum radiation pattern of the first polarization as the angle changes when the scanning angle of the antenna array 2 is 0° at the high frequency point of 42.5 GHz.
  • the abscissa is the azimuth angle; the ordinate is the gain value in dB. It can be seen from the figure that the achievable gain when the azimuth angle is 0° is 10.55dB, and the antenna array 2 has stable broadband radiation beam characteristics in a wide frequency band.
  • Figure 36 shows the maximum radiation pattern of the second polarization as the angle changes when the scanning angle of the antenna array 2 is 0° at the high frequency point of 29.5GHz.
  • the abscissa is the azimuth angle; the ordinate is the gain value in dB. It can be seen from the figure that the achievable gain when the azimuth angle is 0° is 8.95dB, and the antenna array 2 has stable broadband radiation beam characteristics in a wide frequency band.
  • Figure 37 shows the maximum radiation pattern of the first polarization as the angle changes when the scanning angle of the antenna array 2 is 60° at the high frequency point of 42.5 GHz.
  • the abscissa is the azimuth angle; the ordinate is the gain value in dB. It can be seen from the figure that the achievable gain when the azimuth angle is 0° is 8.54dB, and the antenna array 2 has stable broadband radiation beam characteristics in a wide frequency band.
  • Figure 38 shows the maximum radiation pattern of the second polarization as the angle changes when the scanning angle of the antenna array 2 is 60° at the high frequency point of 29.5 GHz.
  • the abscissa is the azimuth angle; the ordinate is the gain value in dB. It can be seen from the figure that the achievable gain when the azimuth angle is 0° is 5.54dB, and the antenna array 2 has stable broadband radiation beam characteristics in a wide frequency band.

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  • Astronomy & Astrophysics (AREA)
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Abstract

La présente demande concerne un module d'antenne, un réseau d'antennes et un dispositif électronique, dont chacun présente une structure d'alimentation simple et peut améliorer les performances de rayonnement au moyen d'un déphasage. Le module d'antenne comprend une unité de rayonnement et une unité d'alimentation. L'unité de rayonnement comprend une paire de premiers bras de rayonnement et une paire de seconds bras de rayonnement. L'unité d'alimentation comprend un premier élément d'alimentation et un second élément d'alimentation qui sont espacés l'un de l'autre. Le premier élément d'alimentation comprend une partie de transmission, une première partie d'alimentation et une deuxième partie d'alimentation qui sont connectées de manière séquentielle. La première partie d'alimentation est disposée à l'opposé d'un premier bras de rayonnement et couplée à ce dernier, et la deuxième partie d'alimentation est disposée à l'opposé de l'autre premier bras de rayonnement et couplée à ce dernier. Le second élément d'alimentation comprend une troisième partie d'alimentation, une première partie de connexion et une quatrième partie d'alimentation qui sont connectées de manière séquentielle. La troisième partie d'alimentation est électriquement connectée à un second bras de rayonnement, et la quatrième partie d'alimentation est électriquement connectée à l'autre second bras de rayonnement. Le réseau d'antennes comprend une pluralité de modules d'antenne agencés en un réseau. Le dispositif électronique comprend un corps de dispositif, le module d'antenne ou le réseau d'antennes.
PCT/CN2023/098339 2022-08-17 2023-06-05 Module d'antenne, réseau d'antennes et dispositif électronique WO2024037129A1 (fr)

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CN202210987934.3 2022-08-17
CN202210987934.3A CN117638466A (zh) 2022-08-17 2022-08-17 天线模组、天线阵列及电子设备

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CN113540765A (zh) * 2021-09-07 2021-10-22 华南理工大学 双频双极化天线和双频双极化天线阵列
WO2022021824A1 (fr) * 2020-07-27 2022-02-03 摩比天线技术（深圳）有限公司 Unité de rayonnement basse fréquence et antenne de station de base

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108183313A (zh) * 2017-12-22 2018-06-19 华南理工大学 超宽带双极化天线辐射单元及基站天线
WO2022021824A1 (fr) * 2020-07-27 2022-02-03 摩比天线技术（深圳）有限公司 Unité de rayonnement basse fréquence et antenne de station de base
CN112864617A (zh) * 2021-01-12 2021-05-28 西安电子科技大学 5g毫米波双极化宽带宽角紧耦合阵列天线
CN112909512A (zh) * 2021-02-08 2021-06-04 上海安费诺永亿通讯电子有限公司 超宽带天线及天线阵列
CN113540765A (zh) * 2021-09-07 2021-10-22 华南理工大学 双频双极化天线和双频双极化天线阵列

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