CN113382572B - Electronic device and antenna adjustment method - Google Patents
Electronic device and antenna adjustment method Download PDFInfo
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- CN113382572B CN113382572B CN202110368539.2A CN202110368539A CN113382572B CN 113382572 B CN113382572 B CN 113382572B CN 202110368539 A CN202110368539 A CN 202110368539A CN 113382572 B CN113382572 B CN 113382572B
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
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- 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
- H01Q3/02—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
- H04B17/318—Received signal strength
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0247—Electrical details of casings, e.g. terminals, passages for cables or wiring
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Abstract
The application discloses electronic equipment includes: the system comprises a plurality of antennas and a plurality of holders; the antenna is arranged on the holder, the holder is rotatable, under the condition that the holder rotates, the direction of an electric field of the antenna is changed, wherein at least two antennas are arranged on different holders in the plurality of antennas.
Description
Technical Field
The application belongs to the technical field of communication, and particularly relates to an electronic device and an antenna adjusting method.
Background
Currently, there are two methods for increasing the gain of the 5G terminal antenna, one is spatial multiplexing gain, and the other is diversity gain. The spatial multiplexing gain refers to increasing the number of antennas and increasing the irrelevance between the antennas to increase the limit capacity of signals and improve the peak rate of the signals, which requires higher coverage rate of the base station, but the coverage rate of the base station is lower at present, and the user experience is poorer. The diversity gain is to utilize the multipath effect to receive the same signal from different paths, reduce the fluctuation of the signal-to-noise ratio of the receiving end of the antenna, improve the gain of the system and further increase the transmission distance.
However, the current 5G terminal antenna design mainly considers spatial multiplexing gain, that is, the antenna communicates with the base station through the irrelevance between the antennas, and the overall antenna gain cannot be improved by using the correlation characteristics between the antennas, and the signal transmission distance in this method is often limited to a single antenna, and the communication distance is short.
Disclosure of Invention
An object of the embodiments of the present application is to provide an electronic device and an antenna adjusting method, which enable antennas of the electronic device to achieve spatial multiplexing gain by using a non-correlation between antennas and achieve diversity gain by using a correlation between antennas.
In order to solve the technical problem, the following technical scheme is adopted in the application:
in a first aspect, an embodiment of the present application discloses an electronic device, including: the system comprises a plurality of antennas and a plurality of holders; the antenna is arranged on the holder, the holder is rotatable, under the condition that the holder rotates, the direction of an electric field of the antenna is changed, wherein at least two antennas are arranged on different holders in the plurality of antennas.
In a second aspect, an embodiment of the present application discloses an antenna adjustment method, including: detecting the signal intensity; under the condition that signal intensity is less than the preset threshold value, one or more cloud platforms in the multiple cloud platforms are controlled to rotate, the electric field directions of the multiple antennas are enabled to be parallel to each other, when the signal intensity is not less than the preset threshold value, one or more cloud platforms in the multiple cloud platforms are controlled to rotate, the electric field directions of the multiple antennas are enabled to be multiple, a preset included angle is formed, and the preset included angle is larger than 0.
In a third aspect, an embodiment of the present application provides a terminal device, which includes a processor, a memory, and a program or instructions stored on the memory and executable on the processor, and when executed by the processor, the program or instructions implement the steps of the method according to the second aspect.
In a fourth aspect, the present application provides a computer-readable storage medium, on which a program or instructions are stored, which when executed by a processor implement the steps of the method according to the second aspect.
In a fifth aspect, the present application provides a chip, where the chip includes a processor and a communication interface, where the communication interface is coupled to the processor, and the processor is configured to execute a program or instructions to implement the method according to the second aspect.
The technical scheme adopted by the application can achieve the following beneficial effects:
an electronic device disclosed in an embodiment of the present application includes: the system comprises a plurality of antennas and a plurality of holders; the antenna is arranged on the holder, the holder is rotatable, under the condition that the holder is rotated, the direction of an electric field of the antenna is changed, wherein the antenna is multiple, at least two antennas are arranged on different holders in the antenna, and the direction of the electric field of the antenna is changed by rotating the holder, so that the electronic equipment can realize spatial multiplexing gain by utilizing the irrelevance between the antennas and diversity gain by utilizing the relativity between the antennas, and the transmission distance of communication signals is farther.
Drawings
Fig. 1 is a schematic structural diagram of an electronic device disclosed in an embodiment of the present application;
FIG. 2a is a schematic diagram of an antenna state of the electronic device shown in FIG. 1 in a weak signal mode;
FIG. 2b is a schematic diagram of another antenna state of the electronic device shown in FIG. 1 in a weak signal mode;
FIG. 3 is a schematic diagram of an antenna state of an electronic device in a strong signal mode according to an embodiment of the disclosure;
FIG. 4a is a schematic diagram of an antenna state of the electronic device shown in FIG. 3 in a weak signal mode;
FIG. 4b is a schematic diagram of another antenna state of the electronic device shown in FIG. 3 in a weak signal mode;
fig. 5a and 5b are a top view and a front view of an electronic device disclosed in an embodiment of the present application, respectively;
FIG. 6a is a schematic diagram of a handset;
fig. 6b is a schematic view of an antenna of the electronic device disclosed in the embodiment of the present application, which is disposed on a pan-tilt head of a mobile phone camera;
fig. 7 is a schematic diagram of another antenna state of the electronic device in the strong signal mode according to an embodiment of the disclosure;
FIG. 8a is a schematic diagram of an antenna state of the electronic device of FIG. 7 in a weak signal mode;
FIG. 8b is a schematic diagram of another antenna state of the electronic device shown in FIG. 7 in a weak signal mode;
fig. 9 is a flowchart of an antenna adjustment method disclosed in an embodiment of the present application;
fig. 10 is a schematic structural diagram of a terminal device disclosed in an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application are capable of operation in sequences other than those illustrated or described herein. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.
An electronic device provided by the embodiment of the present application is described in detail below with reference to the accompanying drawings through specific embodiments and application scenarios thereof.
Fig. 1 is a schematic structural diagram of an electronic device provided in an embodiment of the present application, and as shown in fig. 1, the electronic device includes a plurality of antennas 200 and a plurality of holders 100; the antenna 200 is disposed on the cradle head 100, the cradle head 100 is rotatable, and the direction of the electric field of the antenna 200 is changed when the cradle head 100 is rotated, wherein at least two antennas 200 of the plurality of antennas 200 are disposed on different cradle heads 100.
In a specific application, the rotation of each cradle head 100 can be independently controlled by a software algorithm, so that the electric field direction of the antenna 200 can be controlled to form a preset included angle.
In the embodiment of the present application, the antennas 200 are disposed on the pan/tilt head 100, and when the antennas 200 are in the weak signal mode, the pan/tilt head 100 is rotated to make the electric field directions of the multiple antennas 200 in the same direction, so as to implement diversity gain by using the correlation between the antennas 200, and make the transmission distance of the communication signal longer; when the antennas 200 are in the strong signal mode, the pan/tilt head 100 is rotated to form a preset included angle in the electric field directions of the antennas 200, so that spatial multiplexing gain is realized by utilizing the irrelevance between the antennas 200, and the overall throughput rate is improved.
As shown in fig. 1, taking an example that the plurality of holders 100 includes two holders 100, one antenna 200 is respectively disposed on the holders 100, and an arrow represents an electric field direction of the antenna 200, so that the electric field direction of the antenna 200 is changed by controlling the rotation of the holder 100.
In the above application embodiment, when the directions of the electric fields of the two antennas 200 are 90 degrees with the rotation of the pan/tilt head 100, as shown in fig. 1, the electric fields are orthogonal, the two antennas 200 are substantially uncorrelated and independent from each other, and each antenna 200 can be used as an independent channel to receive or transmit signals, so as to increase the throughput of the electronic device as a whole. In this case, the electronic device can be used in a scenario where the signal quality is good and the signal is transmitted at a high rate through multiple channels, that is, in a strong signal mode, the electronic device can be used for transmitting communication information.
When the directions of the electric fields of the two antennas 200 rotate to be parallel to each other along with the pan/tilt head 100 and the directions are the same, as shown in fig. 2a or 2b, when the electric fields of the two antennas 200 satisfy a coherence condition, an antenna array may be formed, and the field strengths of the two antennas 200 in the space are superimposed by using the principle of superimposing electromagnetic waves in the space, so that the antenna gain of the antenna array in the direction of the spatial part is enhanced, each antenna 200 receives the same signal and transmits the same signal to a conducting terminal, such as a combiner, etc., and the conducting terminal may control and process the received signal, so as to change the spatial position of the gain enhanced region, such as by beam scanning, to achieve more comprehensive coverage of the signal. Specifically, the same conducted power may be input to the antenna array, so that the distance of the signals received or transmitted by the antenna array is longer. This is mainly used to maintain the communication connection when the electronic device is in the weak signal mode.
In a specific application, a plurality of antennas 200 may exist simultaneously, and when a plurality of antennas 200 exist simultaneously, the correlation between the antennas 200 cannot be reduced by forming an included angle of 90 ° in the electric field direction, and the correlation may be reduced by other angles (e.g., 45 ° or the like) or other manners (selecting a strong-directivity antenna, such as a yagi antenna).
For example, as shown in fig. 3, the plurality of holders 100 may also include four holders 100, four antennas 200 are disposed on the corresponding four holders 100, and the four holders 100 are arranged in a 2 × 2 array. Fig. 3 is a schematic diagram of states of the four antennas 200 in the strong signal mode, and fig. 4a and 4b are schematic diagrams of states of the four antennas 200 in the weak signal mode.
In this optional scheme, when the electronic device is in the strong signal mode, the cradle head 100 rotates to make the electric field directions of the four antennas 200 form a preset included angle (45 °), at this time, the correlation between the antennas 200 is small, and a single antenna 200 can be used as an independent channel to transmit signals at a high rate; when the electronic device is in the weak signal mode, the cradle head 100 rotates to make the directions of the electric fields of the four antennas 200 the same, so as to form an antenna array, and the electric fields of the antenna array are overlapped to improve the gain in part of the directions, thereby improving the capability of receiving or transmitting signals and the quality of communication signals.
In the above possible implementation manner, the relative angle between the electric field directions of the multiple antennas 200 is changed through the rotatable characteristic of the pan/tilt head 100, and then the correlation between the antennas 200 is adjusted, so as to achieve the purpose of increasing the transmission distance of the terminal on the basis of maintaining the transmission capacity of the original system.
In one possible implementation, as shown in fig. 5a and 5b, the pan/tilt head 100 is provided with a camera 300, and a camera bezel 310 is provided above the camera 300.
In this possible implementation, the feed point 210 of the antenna 200 is arranged on the corresponding pan/tilt head 100, and the antenna body is arranged on the camera bezel 310. As shown in fig. 5a and 5b, fig. 5a is a top view of the antenna 200 with its feed point 210 set on the head 100 and the antenna body set on the camera bezel 310, and fig. 6b is a front view of the antenna 200 with its feed point 210 set on the head 100 and the antenna body set on the camera bezel 310. By rotating the holder 100 of the camera 300, the included angle between the feeding point 210 and the antenna body is changed, so that the electric field direction of the antenna 200 is changed, and the corresponding function is realized.
In a further technical solution, as shown in fig. 5b, the feeding point 210 of the antenna 200 is coupled with the antenna body, and the feeding point 210 excites the antenna body through coupling feeding, and when the pan/tilt head 100 of the camera 300 rotates, the electric field direction of the antenna 200 changes accordingly.
With the development of scientific technology, the space of the current terminal device is more and more compact, for example, the area of the mobile phone holder 100 is more and more miniaturized, the design difficulty of placing the whole antenna 200 on a single holder 100 is very large, and the antenna area on the holder 100 is also difficult to meet the requirement of the 5G corresponding frequency band. Therefore, as shown in fig. 6a and 6b, by adopting the manner that the feeding point 210 of the antenna 200 is arranged on the holder 100 of the mobile phone camera 300 and the antenna body of the antenna 20 is arranged on the camera decorative ring 310, not only is the design difficulty of the antenna reduced, but also the antenna area can meet the requirement of the 5G corresponding frequency band. In this embodiment, the size of the antenna body is related to the material of the camera bezel 310 and the operating frequency of the antenna 200, and therefore can be designed according to specific situations.
In a specific application, the camera bezel 310 is generally annular, and thus, in one possible implementation, the antenna body may be adaptively shaped as an annulus.
Taking a mobile phone carrying a 2 × 2 pan-tilt camera array as an example, the feeding point 210 is disposed on the pan-tilt 100, and the antenna body is disposed on the camera decorative ring 310. Fig. 7 is a schematic diagram of states of the multiple antennas 200 when the electronic device is in a strong signal mode, and fig. 8a and 8b are schematic diagrams of states of the multiple antennas when the electronic device is in a weak signal mode. When the feeding points 210 of the multiple antennas 200 and the connecting line (dotted line in the figure) of the center of the pan/tilt head 100 form a preset included angle, that is, when the electric field directions of the multiple antennas 200 form a preset included angle, as shown in fig. 7, the correlation between the antennas 200 is small and independent, and the antennas 200 can be used for 5G multi-channel, high-speed signal transmission; when the connection lines between the feeding points 210 of the antennas 200 and the center of the pan/tilt head 100 are parallel to each other, that is, the electric fields of the antennas 200 are in the same direction, as shown in fig. 8a and 8b, the four antennas 200 form an antenna array, and the gain of the antenna array in a part of directions is enhanced, which can be used to improve the signal receiving or transmitting capability of the mobile phone antenna and improve the signal quality.
In the above possible implementation manners, the type of the antenna 200 may also be selected according to a specific scenario, and may be a single/dipole antenna, a Patch (Patch) antenna, or other multiple antenna types. For example, when the antenna 200 is a Patch antenna, the Patch antenna is placed on the camera head decorative ring 310, and because of the requirements of photographing and appearance, the middle of the antenna body of the Patch antenna is hollowed out to avoid the lens, and meanwhile, the feeding point 210 of the antenna 200 is placed on the pan/tilt head 100, and the Patch antenna body is excited by coupling feeding. When the pan/tilt head 100 of the camera 300 rotates, the antenna body is fixed, but the feeding point 210 of the antenna 200 rotates with the pan/tilt head 100, and the electric field direction of the antenna 200 changes accordingly.
In one possible implementation, the antenna body of the antenna 200 and the feed point 210 are both disposed on the head 100. Compare in above-mentioned with the antenna body setting on camera dress circle 310, set up the scheme on the cloud platform 100 of camera 300 with feed point 210, this scheme is applicable to the space great, and cloud platform area is great, can hold down the terminal equipment of antenna body.
In a specific application, in order to ensure the isolation between the antennas 200 and the gain of the antennas 200, in one possible implementation, the center-to-center distance between the holders 100 is between 0.5 and 0.75 of the operating wavelengths of the antennas 200.
In the above application embodiment, the number of the holders 100 and the number of the antennas 200 are optional, and therefore, in practical applications, a plurality of holders 100 may be arranged in an array manner, and the specific arrangement manner thereof may be determined according to an actual scene.
It should be noted that, in the present application, in addition to installing the antenna body on the camera bezel 310, the antenna body may also be installed on other objects directly above the pan/tilt/zoom array, for example, on a battery cover or on a main board bracket. The specific examples of the present application are not limited.
In addition, the electronic device can be applied to peripheral devices of the terminal, such as glasses, wearable devices and the like, besides the mobile phone. The specific examples of the present application are not limited.
Fig. 9 is a flowchart of an antenna adjustment method according to an embodiment of the present application, and as shown in fig. 9, the antenna adjustment method mainly includes the following steps.
S910, detecting the signal intensity.
In a specific application, step S910 may be executed by a processor of the terminal, and the processor detects the signal strength of the electronic device.
S920, under the condition that the signal intensity is smaller than the preset threshold value, one or more holders of the holders are controlled to rotate, so that the electric field directions of the antennas are parallel to each other, and when the signal intensity is not smaller than the preset threshold value, one or more holders of the holders are controlled to rotate, so that the electric field directions of the antennas are multiple, and the preset included angle is larger than 0.
In a specific application, when the processor detects that the signal strength is smaller than the preset threshold, in step S920, the processor controls one or more holders of the plurality of holders to rotate, so that the electric field directions of the plurality of antennas are parallel to each other, thereby implementing diversity gain by using correlation between the antennas and increasing the transmission distance of the signal. When the processor detects that the signal intensity is not less than the preset threshold value, the processor controls one or more holders of the plurality of holders to rotate, so that the electric field directions of the plurality of antennas form a preset included angle, the correlation among the antennas is reduced, the spatial multiplexing gain is realized, and the transmission rate of signals is improved.
Optionally, an embodiment of the present application further provides a terminal device, as shown in fig. 10, the terminal device may include a processor 1010, a memory 1020, and a program or an instruction stored in the memory 1020 and executable on the processor 1010, where the program or the instruction is executed by the processor 1010 to implement each process of the above-mentioned antenna adjustment method embodiment, and may achieve the same technical effect, and in order to avoid repetition, details are not repeated here.
The embodiments of the present application further provide a readable storage medium, where a program or an instruction is stored on the readable storage medium, and when the program or the instruction is executed by a processor, the program or the instruction implements each process of the above-mentioned antenna adjustment method embodiment, and can achieve the same technical effect, and in order to avoid repetition, details are not repeated here.
The processor is the processor in the terminal device described in the above embodiment. The readable storage medium includes a computer readable storage medium, such as a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and so on.
The embodiment of the present application further provides a chip, where the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is configured to execute a program or an instruction to implement each process of the above-mentioned antenna adjustment method embodiment, and can achieve the same technical effect, and is not described here again to avoid repetition.
It should be understood that the chips mentioned in the embodiments of the present application may also be referred to as system-on-chip, system-on-chip or system-on-chip, etc.
While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (9)
1. An electronic device, comprising: the system comprises a plurality of antennas and a plurality of holders;
the antenna is arranged on the holder, the holder can rotate, and the direction of an electric field of the antenna is changed under the condition that the holder rotates, wherein at least two antennas in the plurality of antennas are arranged on different holders;
the cloud deck is provided with a camera, and a camera decorative ring is arranged above the camera;
the feed point of antenna set up in on the cloud platform, the antenna body setting of antenna is in camera decoration circle.
2. The electronic device of claim 1, wherein the feed point is coupled to the antenna body.
3. The electronic device of claim 1, wherein the antenna body of the antenna is annular in shape.
4. The electronic device of claim 1, wherein an antenna body and a feed point of the antenna are both disposed on the pan/tilt head.
5. The electronic device of claim 1, wherein the plurality of holders are spaced apart by a distance between 0.5 and 0.75 of the operating wavelengths of the antenna.
6. The electronic device of claim 1, wherein the plurality of holders are arranged in an array.
7. An antenna adjustment method applied to the electronic device of any one of claims 1 to 6, the method comprising:
detecting the signal intensity;
under the condition that signal intensity is less than preset threshold value, one or more cloud platforms in a plurality of cloud platforms are controlled to rotate, make the electric field direction syntropy of a plurality of antennas when signal intensity is not less than preset threshold value, one or more cloud platforms in a plurality of cloud platforms are controlled to rotate, make a plurality of the electric field direction of antenna becomes and presets the contained angle, wherein, predetermine the contained angle and be greater than 0.
8. A terminal device comprising a processor, a memory and a program or instructions stored on the memory and executable on the processor, the program or instructions when executed by the processor implementing the steps of the antenna adjustment method as claimed in claim 7.
9. A readable storage medium, on which a program or instructions are stored, which when executed by a processor, carry out the steps of the antenna adjustment method according to claim 7.
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CN202110368539.2A CN113382572B (en) | 2021-04-06 | 2021-04-06 | Electronic device and antenna adjustment method |
PCT/CN2022/085130 WO2022213940A1 (en) | 2021-04-06 | 2022-04-02 | Electronic device and antenna adjustment method |
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CN202110368539.2A CN113382572B (en) | 2021-04-06 | 2021-04-06 | Electronic device and antenna adjustment method |
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