CN108736148B - Antenna device and electronic equipment - Google Patents

Antenna device and electronic equipment Download PDF

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Publication number
CN108736148B
CN108736148B CN201710249436.8A CN201710249436A CN108736148B CN 108736148 B CN108736148 B CN 108736148B CN 201710249436 A CN201710249436 A CN 201710249436A CN 108736148 B CN108736148 B CN 108736148B
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antenna
radiator
feed port
ground plane
electronic device
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CN108736148A (en
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施学良
温怀林
王俊
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/36Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • H01Q1/38Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/12Supports; Mounting means
    • H01Q1/22Supports; Mounting means by structural association with other equipment or articles
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/50Structural association of antennas with earthing switches, lead-in devices or lightning protectors
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/52Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
    • H01Q1/521Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/20Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements characterised by the operating wavebands
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/50Feeding or matching arrangements for broad-band or multi-band operation

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Abstract

The application provides an antenna device and an electronic device, the antenna device comprises a antenna radiator, a antenna side radiator and a antenna bottom radiator, wherein the antenna side radiator is located on the side of the electronic device and the antenna bottom radiator is located on the metal ground plane of the electronic device, the antenna side radiator comprises a feed port, the antenna bottom radiator comprises a second feed port, the two feed ports have different working frequencies, the second antenna radiator comprises a second antenna side radiator located on the second side of the electronic device and a second antenna bottom radiator located on the metal ground plane, the second antenna side radiator comprises a third feed port, the second antenna bottom radiator comprises a fourth feed port, the two feed ports have different working frequencies, and the two side radiators are connected at the junction of the side and the second side through a metal wire and are separated from and perpendicular to each other, so that the compact layout of the antenna can be realized and the isolation between the antennas can be ensured.

Description

Antenna device and electronic equipment
Technical Field
The present application relates to the field of antennas, and more particularly, to antenna devices and electronic devices.
Background
The Multiple-Input Multiple-Output (MIMO) antenna technology is which is a main core technology of the MIMO wireless communication technology, and a traditional Single-Input Single-Output (SISO) antenna system has insurmountable bottlenecks in channel capacity, namely limitation of shannon capacity.
However, as the size of wireless communication devices becomes smaller and smaller, for example, the current development trend of smart devices such as mobile phones is light and thin, large screen or narrow frame, the size of the antenna is strictly limited, and the concentration of antennas in multiple frequency bands in a small space will cause great mutual coupling, and the performance of the antenna will also decrease.
Although such design concept can achieve good isolation to a certain extent of , the resulting MIMO antenna structure is complex and occupies a large space, and the introduction of decoupling means often degrades the performance of the antenna itself to a certain extent of .
Therefore, under the situation of high integration of terminal devices such as mobile phones, how to design multi-frequency MIMO antennas is difficult to design, so that the antennas should maintain high isolation and ensure compact layout.
Disclosure of Invention
The present application provides kinds of antenna devices and electronic apparatuses, which can realize a compact layout of antennas and ensure isolation between the antennas.
The antenna device of the electronic device according to the fourth aspect of the present invention includes a metal ground plane and a side frame surrounding the metal ground plane, the side frame being perpendicular to the metal ground plane, the side frame including a side edge and a second side edge perpendicular to each other, the antenna device including a antenna radiator including a antenna side radiator and a antenna bottom radiator, a antenna radiator side edge being disposed in a partial region of the side edge, a antenna bottom radiator being disposed in a second partial region of the metal ground plane, wherein a antenna bottom radiator portion is a region on the side edge near the second side edge, the second partial region is a region on the metal ground plane near the second side edge, a antenna side edge being disposed with a feed port, a antenna bottom edge being disposed with a second feed port, the port being different from the second feed port, the working frequency of the second feed port being different from that of the fourth feed port, the feed port being disposed on the antenna bottom radiator portion of the metal radiator, and the feed port being disposed on the fourth feed port, wherein the feed port is disposed on the metal radiator portion of the antenna antenna side edge, the feed port being disposed on the metal radiator portion, and the feed port being adjacent to the fourth feed port, the feed port, and the feed port being disposed on the feed port being different from that the feed port, the feed port being disposed on the feed port, where the feed port being disposed on the feed port, the feed port being disposed on the feed portion of the feed antenna 468 feed antenna, where the feed antenna, the feed portion, the feed port, the feed portion, where the feed portion, the feed port being different frequencies of the feed port being different frequencies.
Specifically, the th feed port, the second feed port, the third feed port, and the fourth feed port may each support at least operating frequencies.
It should be appreciated that the th antenna bottom edge radiator 212 and the second antenna bottom edge radiator 222 are spaced apart and perpendicular to each other on the metal ground plane 110.
The application provides an antenna device sets up in electronic equipment's frame apex angle, reduces the occupation to electronic equipment space to a great extent, satisfies electronic equipment ultra-thin design demand, simultaneously, antenna device is multifrequency MIMO antenna, and has better ground isolation between the different feed ports, can guarantee the antenna performance. Therefore, the antenna device provided by the application not only ensures the compact layout of the antenna, but also has high isolation, and ensures the performance of the MIMO antenna.
With reference to the , in possible implementation manners of the , the th antenna radiator and the second antenna radiator have the same structure and are symmetrically distributed.
Specifically, the structure of the th antenna side radiator is the same as the structure of the second antenna side radiator, and the two radiators are symmetrically distributed on the th side and the second side, the structure of the th antenna bottom radiator is the same as the structure of the second antenna bottom radiator, and the two radiators are symmetrically distributed on the metal ground plane.
Therefore, according to the scheme provided by the application, the multi-frequency MIMO antenna can be arranged in the compact space provided by the electronic equipment in the aspect of , and in addition, in the aspect of , the coupling among different antenna units can be effectively eliminated, and the isolation among different antenna units is realized, so that the development trend of ultra-light and ultra-thin design of the electronic equipment is met.
With reference to the , in a possible implementation manner of the , the th feeding port is directly connected to the th antenna side radiator or connected through a lumped element, and the third feeding port is directly connected to the second antenna side radiator or connected through a lumped element.
With reference to , in possible implementations of , the feed port, the second feed port, the third feed port, and the fourth feed port all support multiple operating frequencies.
With reference to , in possible implementations of , the feeding port and the third feeding port support the same operating frequency, and the second feeding port and the fourth feeding port support the same operating frequency.
With reference to the , in possible implementations of the , the feeding port and the third feeding port support an operating frequency that includes 3.6 GHz.
With reference to , in possible implementations of , the second feed port and the fourth feed port support operating frequencies including any or more of 2.4GHz, 3.35GHz, or 4.25 GHz.
Optionally, as implementation manners, the operation frequencies supported by the feeding port, the second feeding port, the third feeding port and the fourth feeding port further include frequencies in a future 5G communication system or a communication system after 5G.
In a second aspect, electronic devices are provided, where the electronic devices include at least antenna apparatuses as set forth in or any possible implementation manners of the aspect, and antenna apparatuses are disposed at corners of the electronic devices.
In the scheme that this application provided, antenna device sets up in electronic equipment's apex angle, reduces the occupation to electronic equipment space to a great extent, satisfies electronic equipment ultra-thin design demand, and simultaneously, this antenna device is multifrequency MIMO antenna, and has better ground isolation between the different feed ports, guarantees the antenna performance. Therefore, the electronic equipment provided by the application can realize good performance of the multi-frequency MIMO antenna and can realize an ultra-light and thin design.
With reference to the second aspect, in possible implementation manners of the second aspect, the electronic device includes four antenna devices, and the four antenna devices are respectively disposed at four corners of the electronic device.
With reference to the second aspect, in possible implementation manners of the second aspect, the operating frequencies of the antenna devices disposed at different vertex angles are different.
With reference to the second aspect, in possible implementation manners of the second aspect, the operating frequencies of at least two groups of the four antenna devices are the same.
To sum up, the antenna device that this application provided sets up in electronic equipment's frame apex angle, reduces the occupation to electronic equipment space to a great extent, satisfies electronic equipment ultra-thin design demand, simultaneously, antenna device is multifrequency MIMO antenna, and has better ground isolation between the different feed ports, can guarantee the antenna performance. Therefore, the antenna device provided by the application not only ensures the compact layout of the antenna, but also has high isolation, and ensures the performance of the MIMO antenna.
Drawings
Fig. 1 is a schematic diagram of an antenna device in an electronic device according to an embodiment of the present invention.
Fig. 2 is another schematic diagram of an antenna device in an electronic device according to an embodiment of the invention.
Fig. 3 is a schematic diagram of a simulation result in the embodiment of the present invention.
FIG. 4 is another diagram illustrating simulation results according to an embodiment of the present invention.
Fig. 5 is a schematic diagram of an electronic device according to an embodiment of the present invention.
Detailed Description
The technical solution in the present application will be described below with reference to the accompanying drawings.
Embodiments of the present invention relate to electronic devices. The electronic device indicates an intelligent electronic device having a wireless communication function. For example, the electronic device is a smartphone, a tablet computer or other mobile user terminal device.
Fig. 1 is a schematic diagram of an antenna device 200 in an electronic apparatus 100 according to an embodiment of the present invention, the electronic apparatus 100 includes a metal ground plane 110 and a side frame 120 surrounding the metal ground plane 110, the side frame 120 is perpendicular to the metal ground plane 110, the side frame 120 includes a th side 121 and a second side 122 that are perpendicular to each other, as shown in fig. 1, the antenna device 200 includes:
an th antenna radiator 210 including a th antenna side radiator 211 and a 0 th antenna bottom radiator 212, wherein the 1 th antenna side radiator 211 is disposed in a 3 th partial region of the 2 th side 121, and the th antenna bottom radiator 212 is disposed in a second partial region of the metal ground plane 110, wherein the th partial region is a region on the th side 121 close to the second side 122, the second partial region is a region on the metal ground plane 110 close to the th partial region, the th antenna side radiator 211 is provided with a feeding port 213, the th antenna bottom radiator 212 is provided with a second feeding port 214, and the operating frequencies of the feeding port 213 and the second feeding port 214 are different;
a second antenna radiator 220, which includes a second antenna side radiator 221 and a second antenna bottom radiator 222, where the second antenna side radiator 221 is disposed in a third partial region of the second side 122, and the second antenna bottom radiator 222 is disposed in a fourth partial region of the metal ground plane 110, where the third partial region is a region on the second side 122 near the th side 121, the fourth partial region is a region on the metal ground plane 110 near the third partial region, the second antenna side radiator 221 is provided with a third feeding port 223, the second antenna bottom radiator 222 is provided with a fourth feeding port 224, and operating frequencies of the third feeding port 223 and the fourth feeding port 224 are different;
the th antenna side radiator 211 and the second antenna side radiator 221 are connected by a metal line 230 at the boundary between the th side 121 and the second side 122, and the th antenna bottom radiator 212 and the second antenna bottom radiator 222 are spaced apart from each other and perpendicular to each other.
It should be understood that the metal line 230 does not cover the entire boundary between the th side 121 and the second side 122, as shown in fig. 1 or fig. 2.
It should be appreciated that the th antenna bottom edge radiator 212 and the second antenna bottom edge radiator 222 are spaced apart and perpendicular to each other on the metal ground plane 110.
It should be further understood that the th antenna side radiator 211 and the th antenna bottom radiator 212 form the entire th antenna radiator 210, and the th antenna radiator 210 has two feeding ports, namely, the th feeding port 213 and the second feeding port 214, in other words, the th antenna radiator 210 may correspond to antennas, and the antenna includes two feeding ports with different operating frequencies, namely, the antenna corresponding to the th antenna radiator 210 is a multi-frequency antenna (e.g., a dual-frequency antenna), the second antenna side radiator 221 and the second antenna bottom radiator 222 form the entire second antenna radiator 220, and the second antenna radiator 220 has two feeding ports, namely, the third feeding port 223 and the fourth feeding port 224, in other words, the second antenna radiator 220 may correspond to antennas, and the antenna includes two feeding ports with different operating frequencies, namely, the antenna corresponding to the second antenna radiator 220 is also a multi-frequency antenna (e.g., a dual-frequency antenna), in other words, the antenna apparatus 200 provided by the present invention is a MIMO antenna, for example, a dual-frequency antenna, and here, a multi-frequency antenna is a multi-frequency antenna.
For convenience of description, the th antenna side radiator 211 and the th feed port 213 are hereinafter referred to as the th antenna element, the th antenna bottom radiator 212 and the second feed port 214 are hereinafter referred to as the second antenna element, the second antenna side radiator 221 and the third feed port 223 are hereinafter referred to as the third antenna element, and the second antenna bottom radiator 222 and the fourth feed port 224 are hereinafter referred to as the fourth antenna element, and correspondingly, the th antenna radiator 210 corresponds to an antenna including the th antenna element and the second antenna element, and the second antenna radiator 220 corresponds to an antenna including the third antenna element and the fourth antenna element.
As can be seen from fig. 1, the antenna apparatus 200 according to the embodiment of the present invention is located at a top corner of the electronic device 100, the th antenna side radiator 211 and the second antenna side radiator 221 are connected by the metal wire 230 at an intersection of two sides (121 and 122) perpendicular to each other, it is understood that the th antenna element and the third antenna element can be decoupled by the metal wire 230 in a neutral line manner, so that the th antenna element and the third antenna element are isolated, and the th antenna bottom radiator 212 and the second antenna bottom radiator 222 are spaced apart and perpendicular to each other, it is understood that the second antenna element and the fourth antenna element can be decoupled in a polarization diversity manner, i.e., by orthogonal polarization caused by the perpendicular layout of the second antenna element and the fourth antenna element, so that the second antenna element and the fourth antenna element are isolated.
Therefore, the antenna device provided by the embodiment of the invention decouples different ports and frequencies in different modes, can well realize multi-frequency decoupling, and ensures high isolation of the MIMO antenna in multi-frequency band operation. Meanwhile, the two antennas in the antenna device provided by the embodiment of the invention are close to each other and are arranged at the frame vertex angle of the electronic equipment, so that the compact arrangement of the antennas is ensured. Therefore, the antenna device provided by the embodiment of the invention not only ensures the compact layout of the antenna, but also has high isolation, and ensures the performance of the MIMO antenna.
Specifically, the antenna radiator in the embodiment of the present invention may be made of beryllium copper, phosphor copper, or a stainless steel sheet, the antenna radiator may be attached to an electronic device (a side edge or a metal ground plane), and the fixing manner may be a hot-melt structure, or may be a back adhesive manner.
Optionally, the Antenna radiator in the embodiments of the present invention may have an Antenna configuration including, but not limited to, an Inverted-F Antenna (IFA), a Planar Inverted-F Antenna (PIFA), or a monopole Antenna.
In particular, the feeding port in the embodiment of the present invention may also be referred to as a feeding point. The feed point is welded on the corresponding antenna radiator. Specifically, the pad of the feeding point should be not less than 2 × 3mm, and the feeding point should be close to the edge of a Printed Circuit Board (PCB).
Specifically, the metal line 230 connecting the th antenna side radiator 211 and the second antenna side radiator 221 may be a microstrip line, it is understood that the microstrip line is a microwave transmission line formed by a single conductor strip supported on a dielectric substrate, and the other side of the dielectric substrate is fabricated with a grounded metal plate, which is a metal ground plane 110 in this embodiment.
Specifically, the sub-area refers to a sub-area of the side 121 close to the second side 122, and the 0 sub-area is smaller than the area of the 1 side 121. for example, the sub-area is smaller than or equal to half of the total area of the side 121. the second sub-area refers to a sub-area of the metal ground plane 110 close to the sub-area. in other words, the antenna radiator 210 is distributed over the side 121 and a sub-area of the metal ground plane 110 close to a top corner of the electronic device. the third sub-area refers to a sub-area of the second side 122 close to the side 121, and the third sub-area is smaller than the area of the second side 122. for example, the second sub-area is smaller than or equal to half of the total area of the second side 122. the fourth sub-area refers to a sub-area of the metal ground plane 110 close to a top corner of the electronic device 100. in other words, the electronic radiator device 100 is not easily accessible to a user.
Optionally, in the embodiment of the present invention, the th antenna radiator 210 and the second antenna radiator 220 have the same structure and are symmetrically distributed.
Specifically, as shown in fig. 2, the th antenna radiator 210 and the second antenna radiator 220 have the same structure and are symmetrically disposed, specifically, the th antenna side radiator 211 has the same structure as the second antenna side radiator 221, and the two radiators are symmetrically disposed on the th side 121 and the second side 122, the th antenna bottom radiator 212 has the same structure as the second antenna bottom radiator 222, and the two radiators are symmetrically disposed on the metal ground plane 110.
In the embodiment of the present invention, the antenna apparatus 200 is symmetrically distributed on the top corners of the electronic device, and specifically, two identical radiators (210 and 220) in the antenna apparatus 200 are connected by the metal wire 230 and symmetrically distributed on two vertical side frames (121 and 122) and a partial area of the metal ground plane 110 corresponding to the two side frames, the antenna apparatus 200 includes four feeding ports, each of which corresponds to radiators (feeding ports 213 and 214 correspond to antenna radiators 210, and feeding ports 223 and 224 correspond to antenna radiators 220), and the operating frequencies corresponding to the two feeding ports on the same antenna radiators are different.
Therefore, according to the scheme provided by the embodiment of the invention, the multi-frequency MIMO antenna can be arranged in the compact space provided by the electronic equipment in the aspect of , and the coupling among different antenna units can be effectively eliminated in the aspect of , so that the isolation among different antenna units is realized, and the development trend of ultra-light and ultra-thin design of the electronic equipment is met.
Optionally, in some embodiments, the th feed port 213 is capacitively coupled to the th antenna side radiator 211, and the third feed port 223 is capacitively coupled to the second antenna side radiator 221.
Specifically, as shown in fig. 2, the th feed port 213 is connected to the th antenna side radiator 211 directly or through the lumped element 240, and the third feed port 223 is connected to the second antenna side radiator 221 directly or through the lumped element 240.
Specifically, the lumped element 240 may be a lumped parameter element such as a capacitor or an inductor.
Optionally, in the embodiment of the present invention, each of the feeding ports in the antenna device 200 supports at least operating frequencies.
Optionally, each feed port in the antenna device 200 supports operating frequencies.
Alternatively, the th feed port 213 is at the same operating frequency as the third feed port 223 and the second feed port 214 is at the same operating frequency as the fourth feed port 224.
It should be understood that to implement MIMO antennas, different antennas use the same operating frequency.
For example, the th feeding port 213 and the third feeding port 223 both operate at 3.6GHz, the second feeding port 214 and the fourth feeding port 224 both operate at 2.4GHz, or the second feeding port 214 and the fourth feeding port 224 both operate at 3.35GHz, or the second feeding port 214 and the fourth feeding port 224 both operate at 4.25 GHz.
Optionally, each feed port in the antenna device 200 supports multiple operating frequencies.
For example, the th feed port 213 and the third feed port 223 may each operate at 3.6GHz the second feed port 214 and the fourth feed port 224 may each operate at three frequencies, 2.4GHz, 3.35GHz, and 4.25 GHz.
When the th feed port 213 and the third feed port 223 both operate in the 3.6GHz band, decoupling between the th antenna unit (corresponding to the th antenna side radiator 211 and the th feed port 213) and the third antenna unit (corresponding to the second antenna side radiator 221 and the third feed port 223) may be achieved by using a neutral line, which may achieve decoupling close to 15 dbB.
Specifically, as shown in fig. 3, the abscissa is frequency in GHz, and the ordinate is return loss in dB, it is understood that return loss is a measure of electromagnetic wave emission at the antenna port, and isolation is a measure of coupling of electromagnetic waves between different antenna ports, it can be seen from fig. 3 that the isolation between the th antenna element 1 and the third antenna element 3 is less than 15dB, which well embodies the effect of neutral line decoupling.
Specifically, when the second feed port 214 and the fourth feed port 224 both operate in the 2.4Ghz and/or 3.35Ghz band, the antenna bottom radiator 212 and the second antenna bottom radiator 222 are decoupled by polarization diversity, which can achieve a decoupling of 10dB or more.
Specifically, when the second feed port 214 and the fourth feed port 224 both operate in the 4.25GHz band, the spatial diversity between the antenna bottom radiator 212 and the second antenna bottom radiator 222 is sufficient to ensure the isolation therebetween due to the higher frequency.
Specifically, as shown in fig. 4, the second antenna unit operates at the following three frequencies: 2.4GHz, 3.35GHz and 4.25GHz, the isolation of three frequency ranges is all more than 10 dB.
It should be noted that the feeding port, the second feeding port, the third feeding port and the fourth feeding port support operating frequencies including, but not limited to, the above-mentioned exemplified frequencies, and may also include frequencies in a future 5G communication system or a communication system after 5G.
As shown in fig. 5, the present invention further provides electronic devices 300, where the electronic device 300 includes at least antenna devices 310, and antenna devices 310 are disposed at corners of the electronic device 300, where the antenna devices 310 correspond to the antenna devices in any embodiments, such as the antenna devices shown in fig. 1 or fig. 2.
It should be understood that, as shown in fig. 2 or fig. 3, the positions of the antenna device 200, that is, the th sub-region of the th side edge, the third sub-region of the second side edge, the second sub-region of the metal ground plane, and the fourth sub-region, may be referred to as top corners of the electronic device.
In the embodiment of the invention, the antenna device is arranged at the top corner of the electronic equipment, so that the occupation of the space of the electronic equipment is reduced to a greater extent, and the ultra-light and thin design requirement of the electronic equipment is met. Therefore, the electronic device provided by the embodiment of the invention can realize good performance of the multi-frequency MIMO antenna and can realize an ultra-light and thin design.
Specifically, as an alternative embodiment , the electronic device 300 includes two antenna devices 310, and the two antenna devices 310 are respectively disposed at two corners of the electronic device.
Specifically, as another alternative embodiments, the electronic device 300 includes three antenna devices 310, and the three antenna devices 310 are respectively disposed at three corners of the electronic device.
Specifically, as another alternative embodiments, the electronic device 300 includes four antenna devices 310, and the four antenna devices 310 are respectively disposed at four corners of the electronic device.
For example, four antenna devices 310 are respectively disposed at four corners of the electronic apparatus 300 shown in fig. 5.
Optionally, in this embodiment, the operating frequencies of the antenna devices disposed at different vertex angles are different.
Assuming that the antenna device 310 is a dual-band MIMO antenna, four antenna devices 310 are respectively disposed at four corners, and the antenna devices 310 at different corners have different operating frequencies, thereby implementing an eight-band MIMO antenna, where the MIMO antenna represents a two-in two-out antenna.
Optionally, in this embodiment, the operating frequencies of at least two groups of antenna devices among the four antenna devices disposed at different vertex angles are the same.
Specifically, the operating frequencies of the four antenna devices disposed at different vertex angles are the same, and assuming that the antenna device 310 is a dual-frequency MIMO antenna, the electronic device can implement a dual-frequency MIMO antenna, where the MIMO antenna represents an eight-in eight-out antenna.
It should be understood that reference herein to , the second and various numerical designations are merely for convenience of description and are not intended to limit the scope of the application.
It should be understood that the term "and/or" herein, which is only, describes the association relationship of the associated objects, means that there may be three relationships, for example, a and/or B, and may mean that there are three cases of a alone, a and B together, and B alone.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims (11)

  1. An antenna device in an electronic device of kinds, the electronic device includes a metal ground plane and a side frame surrounding the metal ground plane, the side frame is perpendicular to the metal ground plane, the side frame includes a th side edge and a second side edge that are perpendicular to each other, the antenna device includes:
    a th antenna radiator including a th antenna side radiator and a 0 th antenna bottom radiator, wherein the 1 th antenna side radiator is disposed in a 3 th partial region on the 2 th side, and the 4 th antenna bottom radiator is disposed in a second partial region on the metal ground plane, wherein the th partial region is a region on the th side near a boundary line between the th side and the second side, the second partial region is a region on the metal ground plane near a boundary line between the th side and the metal ground plane, the th antenna side radiator is provided with a th feed port, the th antenna bottom radiator is provided with a second feed port, and the th feed port and the second feed port have different operating frequencies;
    a second antenna radiator, including a second antenna side radiator and a second antenna bottom radiator, where the second antenna side radiator is disposed in a third partial region of the second side, and the second antenna bottom radiator is disposed in a fourth partial region of the metal ground plane, where the third partial region is a region on the second side near an intersection line between the second side and the th side, the fourth partial region is a region on the metal ground plane near an intersection line between the second side and the metal ground plane, the second antenna side radiator is provided with a third feed port, the second antenna bottom radiator is provided with a fourth feed port, and the third feed port and the fourth feed port have different operating frequencies;
    the th antenna side radiator and the second antenna side radiator are connected by a metal wire at the junction of the th side and the second side, and the th antenna bottom radiator and the second antenna bottom radiator are separated from each other and perpendicular to the metal ground plane;
    the feed port is decoupled from the third feed port by a neutral line and the second feed port is decoupled from the fourth feed port by polarization diversity.
  2. 2. The antenna device of claim 1, wherein the th antenna radiator and the second antenna radiator are identical in structure and are symmetrically distributed.
  3. 3. The antenna device according to claim 1 or 2, characterized in that the th feed port is connected to the th antenna side radiator directly or via a lumped element, and the third feed port is connected to the second antenna side radiator directly or via a lumped element.
  4. 4. The antenna device according to claim 1 or 2, characterized in that said feed port, said second feed port, said third feed port and said fourth feed port each support multiple operating frequencies.
  5. 5. The antenna device according to claim 1 or 2, characterized in that said th feed port is the same operating frequency as supported by said third feed port, and said second feed port is the same operating frequency as supported by said fourth feed port.
  6. 6. The antenna device according to claim 1 or 2, wherein the th feed port and the third feed port support operating frequencies including 3.6 GHz.
  7. 7. The antenna device according to claim 1 or 2, wherein the operating frequencies supported by the second feed port and the fourth feed port comprise any or more of 2.4GHz, 3.35GHz or 4.25 GHz.
  8. An electronic device of , comprising at least antenna devices of any of of claims 1-7, wherein the antenna devices are disposed at a top corner of the electronic device.
  9. 9. The electronic device according to claim 8, wherein the electronic device comprises four antenna devices, and the four antenna devices are respectively disposed at four corners of the electronic device.
  10. 10. The electronic device of claim 9, wherein the operating frequencies of the antenna devices disposed at different vertex angles are different.
  11. 11. The electronic device of claim 9, wherein at least two of the four antenna devices operate at the same frequency.
CN201710249436.8A 2017-04-17 2017-04-17 Antenna device and electronic equipment Active CN108736148B (en)

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