Antenna assembly, terminal equipment and vehicle

Abstract

The invention relates to an antenna assembly, terminal equipment and a vehicle. The antenna assembly comprises a columnar medium; the at least two antennas are arranged on the surface of the columnar medium and are arranged at intervals along the axial direction of the columnar medium; wherein the axial dimensions and / or radial dimensions of the at least two antennas are different, so that the at least two antennas have different working frequency bands. The antenna assembly comprises a columnar medium and at least two antennas. The axial size and the radial size of the antenna influence the working frequency band of the antenna assembly, and the axial sizes and / or the radial sizes of the at least two antennas are different, so that the antenna assembly can have a plurality of working frequency bands. Because the at least two antennas are arranged at intervals on the surface of the cylindrical medium along the axial direction, certain isolation exists between the antennas, and mutual interference between different antennas is prevented. The plurality of antennas are arranged on the same medium at intervals, so that the antenna assembly can work in a plurality of frequency bands and is simple in structure, and the design complexity of the antenna assembly is reduced.

Description

Technical Field

[0001] The present disclosure relates to the field of communications, and in particular to an antenna assembly, a terminal device, and a vehicle. Background Art

[0002] At present, with the development of wireless communication technology, more and more terminal devices adopt the fifth generation mobile communication technology. In order to increase the frequency band of communication, the number of antennas in the terminal devices increases, resulting in the problem of complex design of antenna components. Summary of the invention

[0003] In order to overcome the problems existing in the related art, the present disclosure provides an antenna assembly, a terminal device and a vehicle.

[0004] According to a first aspect of the present disclosure, an antenna assembly is provided, the antenna assembly comprising:

[0005] Columnar media;

[0006] At least two antennas, both of which are disposed on the surface of the columnar medium and are spaced apart along the axial direction of the columnar medium;

[0007] Wherein, the axial dimensions and / or radial dimensions of at least two of the antennas are different, so that the at least two antennas have different operating frequency bands.

[0008] In some embodiments of the present disclosure, the antenna includes: a radiating patch; a strip conductive patch, one end of the strip conductive patch is a feeding point of the antenna, the other end of the strip conductive patch is connected to the radiating patch, and the width of the strip conductive patch gradually decreases along the direction from the feeding point of the antenna to the radiating patch.

[0009] In some embodiments of the present disclosure, a side edge line on the radiation patch connected to the strip conductive patch is a first curve, and the first curve gradually tilts from the connection position with the strip conductive patch to both sides, gradually away from the strip conductive patch.

[0010] In some embodiments of the present disclosure, a first notch penetrating along the axial direction of the columnar medium is provided on the radiation patch at the opposite side of the position connected to the strip-shaped conductive patch.

[0011] In some embodiments of the present disclosure, the antenna further includes:

[0012] A floor patch, wherein the floor patch and the radiation patch are spaced apart along the axial direction of the columnar medium, the floor patch is provided with a second notch penetrating along the axial direction of the columnar medium, the strip-shaped conductive patch is located in the second notch, and the grounding point of the antenna is provided on the floor patch.

[0013] In some embodiments of the present disclosure, a third notch is provided on the floor tile on the opposite side of the second notch and passes through the axial direction of the columnar medium, and the second notch and the third notch divide the floor tile into a first floor patch unit and a second floor patch unit.

[0014] In some embodiments of the present disclosure, a side edge line of the floor patch close to the radiation patch is a second curve, and the second curve gradually inclines from the second notch to both sides, away from the radiation patch.

[0015] In some embodiments of the present disclosure, there is a first axial spacing between the floor patch and the radiation patch, and there is a second axial spacing between adjacent antennas, and the second axial spacing is greater than the first axial spacing.

[0016] In some embodiments of the present disclosure, the columnar medium is cylindrical, the at least two antennas include a first antenna and a second antenna, the axial dimension of the first antenna is larger than the axial dimension of the second antenna, and the operating frequency band of the first antenna is lower than the operating frequency band of the second antenna.

[0017] In some embodiments of the present disclosure, the radiation patch of the first antenna is arranged adjacent to the floor patch of the second antenna.

[0018] In some embodiments of the present disclosure, the curvature of the first curve of the first antenna is smaller than the curvature of the first curve of the second antenna.

[0019] In some embodiments of the present disclosure, the antenna assembly also includes a coaxial line corresponding to each of the antennas, the coaxial line includes an outer core and an inner core, one of the outer core and the inner core is connected to the feeding point of the corresponding antenna, and the other of the outer core and the inner core is connected to the grounding point of the corresponding antenna.

[0020] In some embodiments of the present disclosure, the coaxial line is connected to the feeding point and the grounding point of the antenna through the outer side of the columnar medium; or,

[0021] The columnar medium is a hollow structure, the coaxial line is located in the hollow structure, and passes through the columnar medium to be connected with the feeding point and the grounding point of the antenna.

[0022] According to a second aspect of the present disclosure, a terminal device is provided, wherein the terminal device includes the antenna assembly as described above.

[0023] According to a third aspect of the present disclosure, a vehicle is provided, comprising the antenna assembly as described above.

[0024] The technical solution provided by the embodiments of the present disclosure may have the following beneficial effects:

[0025] The antenna assembly includes a columnar medium and at least two antennas arranged on the columnar medium. Since the axial size and radial size of the antenna affect the working frequency band of the antenna assembly, the axial size and / or radial size of at least two antennas are different, so that the antenna assembly can have multiple working frequency bands. Since at least two antennas are arranged axially at intervals on the surface of the columnar medium, there is a certain degree of isolation between the antennas to prevent mutual interference between different antennas. By setting multiple antennas at intervals in the same medium, the antenna assembly can operate in multiple frequency bands and the structure of the antenna assembly is simple, reducing the complexity of the antenna assembly design.

[0026] It is to be understood that the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the present disclosure. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and, together with the description, serve to explain the principles of the invention.

[0028] Figure 1 is a schematic diagram of the structure of an antenna assembly;

[0029] Figure 2 is a schematic diagram of the structure of another antenna assembly;

[0030] Figure 3 is a structural schematic diagram of an antenna assembly provided by an exemplary embodiment of the present disclosure;

[0031] Figure 4 is a structural schematic diagram of an antenna assembly provided by another exemplary embodiment of the present disclosure;

[0032] Figure 5 is a front view of an antenna assembly provided by an exemplary embodiment of the present disclosure;

[0033] Figure 6 is a rear view of an antenna assembly provided by an exemplary embodiment of the present disclosure;

[0034] Figure 7 is a schematic diagram of scattering parameters of an antenna assembly provided by an exemplary embodiment of the present disclosure;

[0035] Figure 8 It is a system block diagram of a terminal device provided by an exemplary embodiment of the present disclosure.

[0036] In the figure:

[0037] A1-first columnar antenna; A2-second columnar antenna; A3-first columnar structure; A4-second columnar structure; A5-third columnar structure; MN-matching network; 1-columnar medium; 2-antenna; 21-first antenna; 22-second antenna; 23-radiation patch; 24-strip conductive patch; 25-floor patch; 251-first floor patch unit; 252-second floor patch unit; 400-electronic device; 402-processing component; 404-memory; 406-power component; 408-multimedia component; 410-audio component; 412-input and output interface; 414-sensor component; 416-communication component; 420-processor; port1-first port; port2-second port; B1-first gap; B2-second gap; B3-third gap; l1-first curve; l2-second curve. DETAILED DESCRIPTION

[0038] Exemplary embodiments will be described in detail herein, examples of which are shown in the accompanying drawings. When the following description refers to the drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Instead, they are merely examples of devices and methods consistent with some aspects of the present invention as detailed in the appended claims. It should also be understood that the term "and / or" as used herein refers to and includes any or all possible combinations of one or more associated listed items.

[0039] At present, with the development of wireless communication technology, more and more terminal devices adopt the fifth generation mobile communication technology. In order to increase the frequency band of communication and improve the quality of communication, it is necessary to load a matching network in the antenna and / or increase the number of antennas. Due to the complex design of the matching network and the interference between multiple antennas, the antenna assembly has the problem of complex design.

[0040] In the related art, an antenna assembly is disclosed, such as Figure 1 As shown, it includes a first columnar antenna A1 and a second columnar antenna A2. Parallel coupled resistance and reactance are arranged on the first columnar antenna A1 and the second columnar antenna A2 to balance the bandwidth and efficiency of the antenna assembly. A matching network MN is arranged at the bottom of the first columnar antenna A1 and the second columnar antenna A2. The matching network MN is composed of a transformer and a reactance, and is used to improve the bandwidth of the antenna assembly. At the same time, in order to balance the bandwidth and gain of the antenna assembly, a specific algorithm is introduced to optimize the parameters of the matching network MN. The antenna assembly can operate in a frequency band of 3 to 30 MHz, and the standing wave ratio is less than 3. However, this type of antenna assembly requires two columnar antennas to be realized, and the number of columnar antennas required is large. In addition, the need to load the matching network MN and introduce a specific algorithm makes the design of the antenna assembly complicated.

[0041] In the related art, an antenna assembly is also disclosed, such as Figure 2 As shown, it includes a first columnar structure A3, a second columnar structure A4 and a third columnar structure A5. The radius of the first columnar structure A3 is 15 mm. The radius of the second columnar structure A4 is 20 mm. The radius of the third columnar structure A5 is 25 mm. The length of the antenna assembly is 192 mm. The antenna assembly can ensure impedance and radiation characteristics under the premise of reducing the high-frequency or very high-frequency radar scattering cross-sectional area, and work in the frequency band of 8 to 12 GHz. However, this antenna assembly can only work in one frequency band, and columnar structures of different radii make the design of the antenna assembly complicated.

[0042] Based on this, the present disclosure provides an antenna assembly, which can operate in at least two frequency bands by arranging at least two antennas on the surface of the same columnar medium, thereby reducing the number of columnar media. In addition, since there is a certain degree of isolation between the antennas, mutual interference between different antennas can be prevented, thereby reducing the complexity of the antenna assembly design.

[0043] An exemplary embodiment of the present disclosure provides an antenna assembly, such as Figure 3 As shown, it includes a columnar medium 1 and at least two antennas 2. Each antenna 2 is arranged on the surface of the columnar medium 1 and is arranged at intervals along the axial direction of the columnar medium 1. The inventor of the present application found that the working frequency band of the antenna 2 is related to its radial size and axial size. Based on this, in this embodiment, the axial size and / or radial size of at least two antennas 2 are different, so that at least two antennas 2 have different working frequency bands. When the radial size is the same, the smaller the axial size, the higher the working frequency band of the antenna 2.

[0044] It can be understood that the radial dimension mentioned here refers to the dimension of the antenna 2 in the radial direction of the cylindrical medium 1. Since the antenna 2 is usually arranged on the surface of the cylindrical medium 1 in the form of a patch, the radial dimension of the cylindrical medium 1 where the antenna 2 is located can be considered as the radial dimension of the antenna 2. For example, the radial dimension of the antenna 2 is the diameter of the cylindrical medium 1 where it is located. The axial dimension mentioned here refers to the dimension of the antenna 2 in the axial direction of the cylindrical medium 1, that is, the dimension between the two end points of the antenna 2 in the axial direction of the cylindrical medium 1.

[0045] In this embodiment, the antenna assembly includes a columnar medium and at least two antennas arranged on the columnar medium. Since the axial size and radial size of the antenna affect the operating frequency band of the antenna assembly, the axial size and / or radial size of at least two antennas are different, so that the antenna assembly can have multiple operating frequency bands. Since at least two antennas are arranged axially at intervals on the surface of the columnar medium, there is a certain degree of isolation between the antennas to prevent mutual interference between different antennas. By setting multiple antennas at intervals in the same medium, the antenna assembly can operate in multiple frequency bands and the structure of the antenna assembly is simple, which reduces the complexity of the antenna assembly design.

[0046] It is understandable that the embodiment of the present disclosure does not limit the number of antennas 2. Figure 3 The columnar medium 1 can be cylindrical or of variable diameter structure, for example, it can be truncated cone.

[0047] Exemplarily, the columnar medium 1 is a flexible medium, and the columnar medium 1 can be made of polyimide, for example, with a relative dielectric constant of 3.3. The use of polyimide enables the antenna assembly to withstand high temperatures and reduces the weight of the antenna assembly. The columnar medium 1 can be a solid structure, or its interior can be set to a hollow structure. The thickness of the columnar medium 1 is set to 0.2 mm. The hollow structure and the thickness of 0.2 mm can further reduce the weight of the antenna assembly, and the columnar medium 1 can be conformal with the components in the terminal device to reduce the space occupied by the antenna assembly.

[0048] In one embodiment, if Figure 4 As shown, the columnar medium 1 is cylindrical. At least two antennas 2 include a first antenna 21 and a second antenna 22. The first antenna 21 includes a first port, and the second antenna 2 includes a second port. The axial dimension h1 of the first antenna 21 and the radial dimension of the columnar medium 1 affect the working frequency band of the first antenna 21. The axial dimension h2 of the second antenna 22 and the radial dimension of the columnar medium 1 affect the working frequency band of the second antenna 22. Since the radial dimension of the columnar medium 1 does not change with the axial direction, when the axial dimension h1 of the first antenna 21 is greater than the axial dimension h2 of the second antenna 22, the working frequency band of the first antenna 21 is lower than the working frequency band of the second antenna 22. The first antenna 21 is located at the lower end of the columnar medium 1, and the second antenna 22 is located at the upper end of the columnar medium 1. The distance between the first antenna 21 and the second antenna 22 is h3.

[0049] In this embodiment, the cylindrical shape is used as the shape of the columnar medium, which can reduce the complexity of manufacturing the columnar medium. Since the radial dimension of the cylindrical columnar medium does not change with the axial direction, only the axial dimension of the antenna needs to be set when determining the working frequency band of the antenna, thereby reducing the complexity of the antenna assembly design. When the axial dimension of the first antenna is greater than the axial dimension of the second antenna, the working frequency band of the first antenna is lower than the working frequency band of the second antenna, and the first antenna and the second antenna have different working frequency bands. By setting the first antenna with a low working frequency band at the lower end of the columnar medium and setting the second antenna with a high working frequency band at the upper end of the columnar medium, the gain of the antenna assembly is improved.

[0050] Exemplarily, in order to conform to the components in the terminal device, the columnar medium 1 may also be in a truncated cone shape. When adjusting the working frequency bands of different antennas 2, the axial size and radial size of the antenna 2 need to be combined.

[0051] In one embodiment, if Figure 5 and Figure 6 As shown, the antenna 2 includes a radiation patch 23 and a strip conductive patch 24. One end of the strip conductive patch 24 is the feeding point of the antenna 2, and the other end is connected to the radiation patch 23. The antenna 2 radiates through the radiation patch 23 and is fed by the strip conductive patch 24. The width of the strip conductive patch 24 gradually decreases from the feeding point of the antenna 2 to the radiation patch 23. That is, the width w1 of the end of the strip conductive patch 24 as the feeding point is greater than the width w2 of the end connected to the radiation patch 23.

[0052] In this embodiment, since the impedance of the radiation patch is large, the impedance of the feeding structure connected to the feeding point is small. The strip-shaped conductive patch with gradually changing width can make the impedance of the radiation patch and the feeding structure smoothly transition to achieve impedance matching. Since the strip-shaped conductive patch can achieve the impedance matching function, there is no need to design an additional impedance matching network, thereby reducing the complexity of the antenna component design and the cost of the antenna component.

[0053] In one embodiment, when at least two antennas 2 include a first antenna 21 and a second antenna 22, the width of one end of the strip conductive patch 24 of the first antenna 21 connected to the radiation patch 23 and the width of one end of the strip conductive patch 24 of the second antenna 22 connected to the radiation patch 23 may be different, and the width of one end of the strip conductive patch 24 of the first antenna 21 as a feeding point and the width of one end of the strip conductive patch 24 of the second antenna 22 as a feeding point may be the same. Among them, the end of the strip conductive patch 24 of the first antenna 21 as a feeding point is the first port port1 of the first antenna 21, and the end of the strip conductive patch 24 of the second antenna 22 as a feeding point is the second port port2 of the second antenna 22.

[0054] In this embodiment, since the width of the ends of the strip-shaped conductive patches of the first antenna and the second antenna that serve as the feeding points are the same, the complexity of the antenna assembly design is reduced. Since the widths of the ends of the strip-shaped conductive patches of the first antenna and the second antenna that are connected to the radiation patch are different, the impedance matching effect of the first antenna and the second antenna can be improved, thereby improving the performance of the antenna assembly.

[0055] In one embodiment, a side line of the radiation patch 23 connected to the strip conductive patch 24 is a first curve l1. The first curve l1 gradually inclines away from the strip conductive patch 24 from the connection position A to the strip conductive patch 24.

[0056] In this embodiment, since the radiation area of ​​the antenna is different at different frequencies, the antenna bandwidth requirement can be met by setting the shape of the radiation patch so that the first curve gradually moves away from the strip conductive patch in both directions. The smooth and gradual radiation patch can avoid sudden changes in the physical structure of the antenna at different operating frequencies, thereby improving the reliability of the antenna assembly. At the same time, connecting the strip conductive patch with the radiation patch at the protrusion of the first curve can make the strip conductive patch more smoothly transition the impedance, thereby improving the impedance matching effect.

[0057] It is understandable that the first curve l1 may be a continuous gradient from the connection position A with the strip-shaped conductive patch 24, or a portion of the line segments may be gradiently inclined and a portion of the line segments may not be gradiently inclined. Figure 5 In the illustrated embodiment, the first curve l1 includes a first straight line segment close to the strip-shaped conductive patch 24 and a first curved line segment connected to the first straight line segment.

[0058] In one embodiment, a first notch B1 penetrating along the axial direction of the columnar medium 1 is provided on the radiation patch 23 at the opposite side of the position where the radiation patch 23 is connected to the strip-shaped conductive patch 24 .

[0059] In this embodiment, the antenna can be unfolded into a two-dimensional plane for processing. By providing a first notch on the side opposite to the connection position of the strip-shaped conductive patch, the processing of the radiation patch can be facilitated, thereby saving the processing cost of the radiation patch.

[0060] In one embodiment, the antenna 2 further includes a floor patch 25. The floor patch 25 and the radiation patch 23 are spaced apart along the axial direction of the columnar medium 1, and a second notch B2 is provided on the floor patch 25 and passes through the axial direction of the columnar medium 1. The radiation patch 23 may be located at the upper end of the floor patch 25. The strip conductive patch 24 is located at the second notch B2, and a grounding point of the antenna 2 is provided on the floor patch 25. The strip conductive patch 24 and the floor patch 25 are not connected, and the strip conductive patch 24 and the floor patch 25 form a coplanar waveguide structure.

[0061] In this embodiment, the antenna grounding point is set on the floor patch, so that the antenna can be well grounded. The second notch is set along the axial direction of the columnar medium, so that the strip conductive patch and the floor patch form a coplanar waveguide structure, which can improve the radiation performance of the antenna.

[0062] In one embodiment, a third notch B3 is provided on the floor patch 25 on the opposite side of the second notch B2 and passes through the columnar medium 1 along the axial direction. The second notch B2 and the third notch B3 divide the floor patch 25 into a first floor patch unit 251 and a second floor patch unit 252. The first floor patch unit 251 and the second floor patch unit 252 are located in two mutually insulated areas.

[0063] In this embodiment, since the antenna can be unfolded into a two-dimensional plane for processing, the third notch is provided on the opposite side of the second notch, which can facilitate the processing of the floor patch and save the cost of processing the floor patch.

[0064] Exemplarily, the width of the first gap B1 is the same as the width of the third gap B3.

[0065] In one embodiment, a side edge of the floor patch 25 close to the radiation patch 23 is a second curve l2 , and the second curve l2 gradually inclines from the second notch B2 to both sides, away from the radiation patch 23 .

[0066] In this embodiment, since the radiation area of ​​the antenna is different at different frequencies, the antenna bandwidth requirement can be met by setting the shape of the floor patch to a second curve that gradually moves away from the radiation patch in both directions. The smooth and gradual floor patch can avoid sudden changes in the physical structure of the antenna at different operating frequencies, thereby improving the reliability of the antenna assembly.

[0067] It is understandable that the second curve l2 may be a continuous gradient, or a portion of the line segments may be gradient and a portion of the line segments may not be gradient. For example, Figure 5 In the illustrated embodiment, the second curve l2 includes a second straight line segment close to the strip-shaped conductive patch 24 and a second curved line segment connected to the second straight line segment.

[0068] In one embodiment, there is a first axial spacing between the floor patch 25 and the radiation patch 23, and there is a second axial spacing between adjacent antennas 2 (i.e., a distance h3 between the first antenna 21 and the second antenna 22), and the second axial spacing is greater than the first axial spacing. The first axial spacing can be the minimum distance d between the radiation patch 23 and the floor patch 25, or the maximum distance between the radiation patch 23 and the floor patch 25.

[0069] In this embodiment, the second axial spacing is set to be larger than the first axial spacing, which can ensure good isolation between the antennas to prevent mutual interference, thereby reducing the complexity of the antenna component design.

[0070] Exemplarily, the minimum distance d between the radiation patch 23 and the floor patch 25 is the feed gap. The length of the minimum distance d is equivalent to the clearance of the antenna assembly, which can affect the radiation efficiency of the antenna assembly.

[0071] Exemplarily, the radiation patch 23 is a symmetrical structure, the strip-shaped conductive patch 24 is a symmetrical structure, and the first floor patch unit 251 and the second floor patch unit 252 are symmetrical to each other. Since the radiation patch 23, the strip-shaped conductive patch 24, and the first floor patch unit 251 and the second floor patch unit 252 are symmetrical structures, the complexity of the antenna component design is reduced.

[0072] In one embodiment, when the operating frequency band of the first antenna 21 is lower than the operating frequency band of the second antenna 22 , the radiation patch 23 of the first antenna 21 and the floor patch 25 of the second antenna 22 are disposed adjacent to each other.

[0073] In this embodiment, since the operating frequency band of the first antenna is lower than that of the second antenna, the radiation patch of the first antenna is arranged adjacent to the floor patch of the second antenna, so that the first antenna is located below the second antenna. By arranging the first antenna with a low operating frequency band at the lower end of the columnar medium and arranging the second antenna with a high operating frequency band at the upper end of the columnar medium, the gain of the antenna assembly is improved.

[0074] In one embodiment, the curvature of the first curve l1 of the first antenna 21 is smaller than the curvature of the first curve l1 of the second antenna 22 .

[0075] In this embodiment, the curvature of the first curve of the first antenna is set to be smaller, so that the operating frequency band of the first antenna is lower. The curvature of the first curve of the second antenna is set to be smaller, so that the operating frequency band of the second antenna is higher. By setting the curvature of the first curve of the first antenna and the curvature of the first curve of the second antenna, the operating frequency band of the first antenna is lower than the operating frequency band of the second antenna, thereby reducing the complexity of the antenna component design.

[0076] In one embodiment, the antenna assembly further includes a coaxial line corresponding to each antenna 2. The coaxial line includes an outer core and an inner core, one of the outer core and the inner core is connected to the feeding point of the corresponding antenna 2, and the other of the outer core and the inner core is connected to the grounding point of the corresponding antenna 2. For example, the inner core of the coaxial line is connected to one end of the strip-shaped conductive patch 24 as a feeding point, and the outer core is connected to the grounding point of the floor patch 25. Alternatively, the outer core of the coaxial line is connected to one end of the strip-shaped conductive patch 24 as a feeding point, and the inner core is connected to the grounding point of the floor patch 25.

[0077] In this embodiment, the coaxial line is connected to the feeding point and the grounding point of the antenna assembly, and the connection method of the feeding point and the grounding point is simple, which reduces the complexity of the antenna assembly design. At the same time, the coaxial line is connected to the feeding point and the grounding point of the antenna assembly, which can improve the performance of the antenna assembly.

[0078] Exemplarily, the impedance of the coaxial line may be 50Ω.

[0079] In one embodiment, the coaxial line is connected to the feeding point and the grounding point of the antenna 2 from the outside of the cylindrical medium 1 .

[0080] In this embodiment, the external coaxial line is connected to the feeding point and the grounding point of the antenna, which can reduce the complexity of antenna processing, facilitate conformity with components in the terminal device, and facilitate debugging of the antenna.

[0081] In one embodiment, when the columnar medium 1 is a hollow structure, the coaxial line is located in the hollow structure and passes through the columnar medium 1 to be connected to the feeding point and the grounding point of the antenna 2 .

[0082] In this embodiment, the internally connected coaxial line is connected to the feeding point and the grounding point of the antenna, so that the space occupied by the coaxial line can be reduced, thereby reducing the volume of the antenna assembly.

[0083] Figure 7 : is a scattering parameter diagram of an antenna assembly according to an exemplary embodiment, where the antenna 2 includes a first antenna 21 and a second antenna 22. Under the impedance matching condition that the parameter |S11| of the first antenna 21 and the second antenna 22 is less than -10dB, the operating frequency band of the first antenna 21 is 22-29GHz, and the operating frequency band of the second antenna 22 is 37.6-43.7GHz. The operating frequency bands of the first antenna 21 and the second antenna 22 can cover the two most important frequency bands of 24.25-27.5GHz and 37-43.5GHz in the millimeter wave of the fifth generation mobile communication technology, and the isolation between the first antenna 21 and the second antenna 22 is lower than -23dB. Among them, S1 is the scattering parameter curve of the first antenna 21, S2 is the scattering parameter curve of the second antenna 22, and S3 is the isolation curve of the first antenna 21 and the second antenna 22. The ordinate of the scattering parameter diagram is gain, in dB, and the abscissa is frequency, in GHz.

[0084] In an exemplary embodiment, a terminal device is provided, and the terminal device is, for example, a vehicle-mounted terminal, a ship-mounted terminal, etc. The terminal device includes the antenna assembly as described above.

[0085] refer to Figure 8As shown, the terminal device 400 may include one or more of the following components: a processing component 402, a memory 404, a power component 406, a multimedia component 408, an audio component 410, an input / output (I / O) interface 412, a sensor component 414, and a communication component 416.

[0086] The processing component 402 generally controls the overall operation of the terminal device 400, such as operations associated with display, phone calls, data communications, camera operations, and recording operations. The processing component 402 may include one or more processors 420 to execute instructions to complete all or part of the steps of the above-mentioned method. In addition, the processing component 402 may include one or more modules to facilitate the interaction between the processing component 402 and other components. For example, the processing component 402 may include a multimedia module to facilitate the interaction between the multimedia component 408 and the processing component 402.

[0087] The memory 404 is configured to store various types of data to support operations on the terminal device 400. Examples of such data include instructions for any application or method operating on the terminal device 400, contact data, phone book data, messages, pictures, videos, etc. The memory 404 can be implemented by any type of volatile or non-volatile storage terminal or a combination thereof, such as static random access memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic disk or optical disk.

[0088] The power supply component 406 provides power to various components of the terminal device 400. The power supply component 406 may include a power management system, one or more power supplies, and other components associated with generating, managing, and distributing power to the terminal device 400.

[0089] The multimedia component 408 includes a screen that provides an output interface between the terminal device 400 and the user. In some embodiments, the screen may include a liquid crystal display (LCD) and a touch panel (TP). If the screen includes a touch panel, the screen may be implemented as a touch screen to receive input signals from the user. The touch panel includes one or more touch sensors to sense touch, slide, and gestures on the touch panel. The touch sensor may not only sense the boundaries of the touch or slide action, but also detect the duration and pressure associated with the touch or slide operation. In some embodiments, the multimedia component 408 includes a front camera module and / or a rear camera module. When the terminal device 400 is in an operating mode, such as a shooting mode or a video mode, the front camera module and / or the rear camera module may receive external multimedia data. Each front camera module and the rear camera module may be a fixed optical lens system or have a focal length and optical zoom capability.

[0090] The audio component 410 is configured to output and / or input audio signals. For example, the audio component 410 includes a microphone (MIC), and when the terminal device 400 is in an operation mode, such as a call mode, a recording mode, and a speech recognition mode, the microphone is configured to receive an external audio signal. The received audio signal can be further stored in the memory 404 or sent via the communication component 416. In some embodiments, the audio component 410 also includes a speaker for outputting audio signals.

[0091] I / O interface 412 provides an interface between processing component 402 and peripheral interface modules, such as keyboards, click wheels, buttons, etc. These buttons may include but are not limited to: a home button, a volume button, a start button, and a lock button.

[0092] The sensor assembly 414 includes one or more sensors for providing various aspects of status assessment for the terminal device 400. For example, the sensor assembly 414 can detect the open / closed state of the terminal device 400, the relative positioning of the components, such as the display and keypad of the terminal device 400, and the sensor assembly 414 can also detect the position change of the terminal device 400 or a component of the terminal device 400, the presence or absence of contact between the user and the terminal device 400, the orientation or acceleration / deceleration of the terminal device 400, and the temperature change of the terminal device 400. The sensor assembly 414 may include a proximity sensor configured to detect the presence of nearby objects without any physical contact. The sensor assembly 414 may also include an optical sensor, such as a CMOS or CCD image sensor, for use in imaging applications. In some embodiments, the sensor assembly 414 may also include an acceleration sensor, a gyroscope sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.

[0093] The communication component 416 is configured to facilitate wired or wireless communication between the terminal device 400 and other terminals. The terminal device 400 can access a wireless network based on a communication standard, such as WiFi, 2G, 3G, 4G, 5G or a combination thereof. In an exemplary embodiment, the communication component 416 receives a broadcast signal or broadcast-related information from an external broadcast management system via a broadcast channel. In an exemplary embodiment, the communication component 416 also includes a near field communication (NFC) module to facilitate short-range communication. For example, the NFC module can be implemented based on radio frequency identification (RFID) technology, infrared data association (IrDA) technology, ultra-wideband (UWB) technology, Bluetooth (BT) technology and other technologies.

[0094] In an exemplary embodiment, the terminal device 400 can be implemented by one or more application-specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing terminals (DSPDs), programmable logic devices (PLDs), field programmable gate arrays (FPGAs), controllers, microcontrollers, microprocessors or other electronic components to perform the above-mentioned method.

[0095] In one exemplary embodiment, a vehicle is provided, the vehicle comprising the antenna assembly as described above.

[0096] In an exemplary embodiment, a non-transitory computer-readable storage medium including instructions is also provided, such as a memory 404 including instructions, and the instructions can be executed by a processor 420 of a terminal device 400 to complete the above method. For example, the non-transitory computer-readable storage medium can be a ROM, a random access memory (RAM), a CD-ROM, a tape, a floppy disk, and an optical data storage terminal, etc. When the instructions in the storage medium are executed by the processor of the terminal, the terminal is enabled to execute the method shown in the above embodiment.

[0097] Those skilled in the art will readily appreciate other embodiments of the present disclosure after considering the specification and practicing the invention disclosed herein. The present disclosure is intended to cover any variations, uses or adaptations of the present disclosure that follow the general principles of the present disclosure and include common knowledge or customary techniques in the art that are not disclosed in the present disclosure. The description and examples are to be considered exemplary only, and the true scope and spirit of the present disclosure are indicated by the claims.

[0098] Those skilled in the art will readily appreciate other embodiments of the present disclosure after considering the specification and practicing the invention disclosed herein. The present disclosure is intended to cover any variations, uses, or adaptations of the present disclosure that follow the general principles of the present disclosure and include common knowledge or customary techniques in the art that are not disclosed in the present disclosure. The description and examples are to be considered exemplary only, and the true scope and spirit of the present disclosure are indicated by the following claims.

[0099] It should be understood that the present disclosure is not limited to the exact structures that have been described above and shown in the drawings, and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims

1. An antenna assembly, characterized in that: The antenna assembly comprises: Columnar media; At least two antennas, each of which is disposed on the surface of the columnar medium and arranged at intervals along the axial direction of the columnar medium; Wherein, the axial dimensions and / or radial dimensions of at least two of the antennas are different, so that the at least two antennas have different operating frequency bands.

2. The antenna assembly according to claim 1, characterized in that: The antenna comprises: Radiation patch; A strip-shaped conductive patch, one end of which is the feeding point of the antenna, and the other end of which is connected to the radiation patch. The width of the strip-shaped conductive patch gradually decreases along the direction from the feeding point of the antenna to the radiation patch.

3. The antenna assembly according to claim 2, characterized in that: A side edge line of the radiation patch connected to the strip conductive patch is a first curve, and the first curve gradually inclines from the connection position with the strip conductive patch to both sides, away from the strip conductive patch.

4. The antenna assembly according to claim 2, characterized in that: The radiation patch is provided with a first notch penetrating along the axial direction of the columnar medium on the side opposite to the position connected to the strip-shaped conductive patch.

5. The antenna assembly according to claim 2, characterized in that: The antenna also includes: A floor patch, wherein the floor patch and the radiation patch are spaced apart along the axial direction of the columnar medium, the floor patch is provided with a second notch penetrating along the axial direction of the columnar medium, the strip-shaped conductive patch is located in the second notch, and the grounding point of the antenna is provided on the floor patch.

6. The antenna assembly according to claim 5, characterized in that: A third notch is provided on the floor tile on the opposite side of the second notch and penetrates along the axial direction of the columnar medium. The second notch and the third notch divide the floor tile into a first floor tile unit and a second floor tile unit.

7. The antenna assembly according to claim 5, characterized in that: A side edge line of the floor patch close to the radiation patch is a second curve, and the second curve gradually inclines from the second notch to both sides and away from the radiation patch.

8. The antenna assembly according to claim 5, characterized in that: There is a first axial distance between the floor patch and the radiation patch, and there is a second axial distance between adjacent antennas, and the second axial distance is greater than the first axial distance.

9. The antenna assembly according to any one of claims 1 to 8, characterized in that: The columnar medium is cylindrical, the at least two antennas include a first antenna and a second antenna, the axial dimension of the first antenna is larger than the axial dimension of the second antenna, and the working frequency band of the first antenna is lower than the working frequency band of the second antenna.

10. The antenna assembly according to claim 9, characterized in that: The radiation patch of the first antenna is disposed adjacent to the floor patch of the second antenna.

11. The antenna assembly according to claim 9, characterized in that: The curvature of the first curve of the first antenna is smaller than the curvature of the first curve of the second antenna.

12. The antenna assembly according to any one of claims 1 to 8, characterized in that: The antenna assembly also includes a coaxial line corresponding to each of the antennas, the coaxial line includes an outer core and an inner core, one of the outer core and the inner core is connected to the feeding point of the corresponding antenna, and the other of the outer core and the inner core is connected to the grounding point of the corresponding antenna.

13. The antenna assembly according to claim 12, characterized in that: The coaxial line is connected to the feeding point and the grounding point of the antenna through the outer side of the cylindrical medium; or, The columnar medium is a hollow structure, the coaxial line is located in the hollow structure, and passes through the columnar medium to be connected with the feeding point and the grounding point of the antenna.

14. A terminal device, characterized in that: The terminal device comprises the antenna assembly according to any one of claims 1 to 13.

15. A vehicle, characterized in that: The vehicle comprises the antenna assembly according to any one of claims 1 to 13.

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