CN108365867B - Antenna switching method and device, storage medium and electronic equipment - Google Patents
Antenna switching method and device, storage medium and electronic equipment Download PDFInfo
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- CN108365867B CN108365867B CN201810143261.7A CN201810143261A CN108365867B CN 108365867 B CN108365867 B CN 108365867B CN 201810143261 A CN201810143261 A CN 201810143261A CN 108365867 B CN108365867 B CN 108365867B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/401—Circuits for selecting or indicating operating mode
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72448—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions
- H04M1/72454—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions according to context-related or environment-related conditions
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Abstract
The embodiment of the application provides an antenna switching method, an antenna switching device, a storage medium and electronic equipment, wherein the antenna switching method comprises the following steps: if the interference to a functional module of the electronic equipment is detected when the first antenna transmits the signal at the first power, controlling the first antenna to transmit the signal at the second power; respectively acquiring a first intensity of a first antenna receiving signal and a second intensity of a second antenna receiving signal; judging whether the second intensity is greater than the first intensity; if the second intensity is greater than the first intensity, switching to the second antenna to transmit signals; if the second intensity is not greater than the first intensity, maintaining the first antenna to transmit signals at the second power. The antenna switching method can reduce the interference to the functional module when the electronic equipment receives and transmits signals, so as to improve the stability of the functional module and further improve the functional stability of the electronic equipment.
Description
Technical Field
The present disclosure relates to the field of communications technologies, and in particular, to an antenna switching method and apparatus, a storage medium, and an electronic device.
Background
With the development of network technology and the increase of the intelligence degree of electronic devices, users can implement more and more functions, such as voice call, video chat, playing network games, and the like, through electronic devices such as smart phones.
In the process of executing functions such as voice call, video chat and the like, the electronic device needs to perform data interaction with a base station or a server. During the data interaction process, the electronic device needs to transmit wireless signals through the antenna.
When the antenna transmits a signal, the antenna may cause interference to other functional modules (e.g., a proximity sensor, a universal serial bus interface, etc.), thereby affecting the normal functions of the functional modules and further affecting the functional stability of the electronic device.
Disclosure of Invention
The embodiment of the application provides an antenna switching method, an antenna switching device, a storage medium and an electronic device, which can improve the functional stability of the electronic device.
The embodiment of the application provides an antenna switching method, which is applied to electronic equipment, wherein the electronic equipment comprises a first antenna and a second antenna, and the antenna switching method comprises the following steps:
if the interference to a functional module of the electronic equipment is detected when the first antenna transmits signals at a first power, controlling the first antenna to transmit signals at a second power, wherein the second power is smaller than the first power;
respectively acquiring a first strength of the first antenna receiving signal and a second strength of the second antenna receiving signal;
judging whether the second intensity is greater than the first intensity;
if the second intensity is greater than the first intensity, switching to the second antenna to transmit signals;
if the second intensity is not greater than the first intensity, maintaining the first antenna to transmit signals at the second power.
The embodiment of the present application further provides an antenna switching apparatus, which is applied to an electronic device, where the electronic device includes a first antenna and a second antenna, and the antenna switching apparatus includes:
the control module is used for controlling the first antenna to transmit signals at a second power if the fact that the first antenna transmits the signals at the first power and causes interference to a functional module of the electronic equipment is detected, wherein the second power is smaller than the first power;
an obtaining module, configured to obtain a first strength of the first antenna receiving signal and a second strength of the second antenna receiving signal respectively;
the judging module is used for judging whether the second intensity is greater than the first intensity;
a switching module to:
if the second intensity is greater than the first intensity, switching to the second antenna to transmit signals;
if the second intensity is not greater than the first intensity, maintaining the first antenna to transmit signals at the second power.
An embodiment of the present application further provides a storage medium, where a computer program is stored in the storage medium, and when the computer program runs on a computer, the computer is caused to execute the above antenna switching method.
The embodiment of the present application further provides an electronic device, which includes a processor and a memory, where the memory stores a computer program, and the processor is configured to execute the antenna switching method by calling the computer program stored in the memory.
The antenna switching method provided by the embodiment of the application comprises the following steps: if the interference to a functional module of the electronic equipment is detected when the first antenna transmits a signal at a first power, controlling the first antenna to transmit the signal at a second power, wherein the second power is smaller than the first power; respectively acquiring a first intensity of a first antenna receiving signal and a second intensity of a second antenna receiving signal; judging whether the second intensity is greater than the first intensity; if the second intensity is greater than the first intensity, switching to the second antenna to transmit signals; if the second intensity is not greater than the first intensity, maintaining the first antenna to transmit signals at the second power. In the antenna switching method, when the first antenna interferes with the functional module of the electronic device, the first antenna can be switched to the second antenna to transmit signals, or the power of the first antenna to transmit signals is reduced, so that the interference caused by the electronic device to the functional module during signal receiving and transmitting can be reduced, the stability of the functional module is improved, and the functional stability of the electronic device is further improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings used in the description of the embodiments will be briefly introduced below. It is obvious that the drawings in the following description are only some embodiments of the application, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
Fig. 1 is a schematic structural diagram of an electronic device according to an embodiment of the present application.
Fig. 2 is another schematic structural diagram of an electronic device according to an embodiment of the present application.
Fig. 3 is a flowchart illustrating an antenna switching method according to an embodiment of the present application.
Fig. 4 is another flowchart of an antenna switching method according to an embodiment of the present application.
Fig. 5 is a schematic flowchart of an antenna switching method according to an embodiment of the present application.
Fig. 6 is a schematic flow chart of an antenna switching method according to an embodiment of the present application.
Fig. 7 is a schematic view of an application scenario of an antenna switching method according to an embodiment of the present application.
Fig. 8 is a schematic structural diagram of an antenna switching apparatus according to an embodiment of the present application.
Fig. 9 is another schematic structural diagram of an antenna switching apparatus according to an embodiment of the present application.
Fig. 10 is a schematic structural diagram of an antenna switching apparatus according to an embodiment of the present application.
Fig. 11 is a schematic structural diagram of an electronic device according to an embodiment of the present application.
Fig. 12 is a schematic structural diagram of an electronic device according to 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. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without inventive step, are within the scope of the present application.
The terms "first," "second," "third," and the like in the description and in the claims of the present application and in the above-described drawings, if any, 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 objects so described are interchangeable under appropriate circumstances. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, or apparatus, electronic device, system comprising a list of steps is not necessarily limited to those steps or modules or units explicitly listed, may include steps or modules or units not explicitly listed, and may include other steps or modules or units inherent to such process, method, apparatus, electronic device, or system.
The embodiment of the application provides electronic equipment. The electronic device can be a smart phone, a tablet computer and the like. In some embodiments, referring to fig. 1, the electronic device 100 includes a display screen 10, a middle frame 20, a circuit board 30, a battery 40, and a rear cover 50.
Wherein the display screen 10 is mounted on the rear cover 50 to form a display surface of the electronic device 100. The display screen 10 serves as a front housing of the electronic device 100, and forms an accommodating space with the rear cover 50 for accommodating other electronic components or functional modules of the electronic device 100. Meanwhile, the display screen 10 forms a display surface of the electronic apparatus 100 for displaying information such as images, texts, and the like. The Display screen 10 may be a Liquid Crystal Display (LCD) or an organic light-Emitting Diode (OLED) Display screen.
In some embodiments, a glass cover plate may be disposed over the display screen 10. Wherein, the glass cover plate can cover the display screen 10 to protect the display screen 10 and prevent the display screen 10 from being scratched or damaged by water.
In some embodiments, as shown in FIG. 1, the display screen 10 may include a display area 11 and a non-display area 12. The display area 11 performs a display function of the display screen 10 for displaying information such as images and texts. The non-display area 12 does not display information. The non-display area 12 may be used to set functional modules such as a camera, a receiver, a proximity sensor, and the like. In some embodiments, the non-display area 12 may include at least one area located at upper and lower portions of the display area 11.
In some embodiments, as shown in FIG. 2, the display screen 10 may be a full-face screen. At this time, the display screen 10 may display information in a full screen, so that the electronic apparatus 100 has a large screen occupation ratio. The display screen 10 comprises only the display area 11 and no non-display area. At this time, functional modules such as a camera and a proximity sensor in the electronic apparatus 100 may be hidden under the display screen 10, and the fingerprint identification module of the electronic apparatus 100 may be disposed on the back of the electronic apparatus 100.
The middle frame 20 may have a thin plate-like or sheet-like structure, or may have a hollow frame structure. The middle frame 20 can be accommodated in the accommodating space formed by the display screen 10 and the rear cover 50. The middle frame 20 is used for providing a supporting function for the electronic components or the functional modules in the electronic device 100, so as to mount the electronic components or the functional modules in the electronic device together. For example, functional modules such as a camera, a receiver, a circuit board, and a battery in the electronic apparatus may be mounted on the center frame 20 for fixing. In some embodiments, the material of the middle frame 20 may include metal or plastic.
The circuit board 30 is mounted inside the receiving space. For example, the circuit board 30 may be mounted on the middle frame 20 and received in the receiving space together with the middle frame 20. The circuit board 30 may be a motherboard of the electronic device 100. The circuit board 30 is provided with a grounding point to realize grounding of the circuit board 30. One or more of a motor, a microphone, a speaker, a receiver, an earphone interface, a universal serial bus interface (USB interface), a camera, a proximity sensor, an ambient light sensor, a gyroscope, and a processor may be integrated on the circuit board 30. Meanwhile, the display screen 10 may be electrically connected to the circuit board 30.
In some embodiments, display control circuitry is disposed on the circuit board 30. The display control circuit outputs an electrical signal to the display screen 10 to control the display screen 10 to display information.
The battery 40 is mounted inside the receiving space. For example, the battery 40 may be mounted on the middle frame 20 and be received in the receiving space together with the middle frame 20. The battery 40 may be electrically connected to the circuit board 30 to enable the battery 40 to power the electronic device 100. The circuit board 30 may be provided thereon with a power management circuit. The power management circuit is used to distribute the voltage provided by the battery 40 to the various electronic components in the electronic device 100.
The rear cover 50 is used to form an outer contour of the electronic device 100. The rear cover 50 may be integrally formed. In the forming process of the rear cover 50, a rear camera hole, a fingerprint identification module mounting hole and the like can be formed in the rear cover 50.
In the present embodiment, with continued reference to fig. 2, the electronic device 100 further includes a first antenna 61 and a second antenna 62. The first antenna 61 and the second antenna 62 are electrically connected to the circuit board 30 in the electronic device 100. The first antenna 61 and the second antenna 62 may be disposed on the middle frame 20 or on the rear cover 50. The first antenna 61 and the second antenna 62 are arranged at intervals. For example, the first antenna 61 may be disposed at the upper left corner of the electronic device 100, and the second antenna 62 may be disposed at the lower right corner of the electronic device 100.
Wherein the first antenna 61 and the second antenna 62 are used for transmitting and/or receiving signals. For example, the first antenna 61 and the second antenna 62 may be used for transmitting and/or receiving radio frequency signals. It should be noted that the first antenna 61 and the second antenna 62 can each perform transmission and reception of signals separately.
In the process of the electronic device 100 communicating with a base station or other electronic devices, one of the first antenna 61 and the second antenna 62 serves as a main set antenna, and the other serves as a diversity antenna. And, the main set antenna and the diversity antenna may be switched with each other. Wherein the main set antennas perform transmission and reception of signals simultaneously, and the diversity antennas receive only signals without transmitting signals.
The embodiment of the present application provides an antenna switching method, which may be applied to the electronic device 100. As shown in fig. 3, the antenna switching method may include the following steps:
s110, if it is detected that the first antenna transmits the signal at the first power and interferes with the functional module of the electronic device, controlling the first antenna to transmit the signal at the second power.
Wherein the electronic device comprises a first antenna and a second antenna. In an initial state, one of the first antenna and the second antenna is used as a main set antenna to transmit and receive signals; and the other as a diversity antenna, performing reception of the signal. For example, in the initial state, the first antenna serves as a main set antenna, and the second antenna serves as a diversity antenna.
In an initial state, the first antenna transmits a signal at a first power. Wherein the first power may be a power value set in advance. For example, the first power may be 80dBm (decibel-milliwatts).
When the first antenna transmits signals with first power, the electronic equipment detects whether the functional module is interfered by the signals transmitted by the first antenna. The functional modules may include functional modules such as a proximity sensor, a motor, a Universal Serial Bus (USB) interface, a microphone, and a speaker in the electronic device. The electronic device may obtain the operating parameters of the functional module, and compare the obtained operating parameters with the operating parameters of the functional module when the antenna is not transmitting signals, so as to determine whether the functional module is interfered. The operating parameters obtained by the electronic device may be different for different functional modules.
And when the electronic equipment detects that the functional module is interfered, the first antenna is controlled to transmit a signal at a second power. Wherein the second power is less than the first power. For example, the second power may be 75 dBm. The electronic device may control the transmit power of the first antenna to decrease to the second power by decreasing a voltage or current provided to the first antenna.
S120, respectively obtaining a first strength of the first antenna receiving signal and a second strength of the second antenna receiving signal.
And when the first antenna transmits signals at the second power, the first antenna and the second antenna simultaneously receive signals. At this time, the electronic device may acquire a first strength of the first antenna reception signal and a second strength of the second antenna reception signal, respectively. For example, the first intensity obtained is-60 dBm and the second intensity obtained is-70 dBm. Wherein, the greater the strength of the received signal, the better the quality of the received signal.
S130, judging whether the second intensity is greater than the first intensity.
After acquiring the first strength of the first antenna receiving signal and the second strength of the second antenna receiving signal, the electronic device may compare the second strength with the first strength to determine whether the second strength is greater than the first strength.
The greater the strength of the signal received by the antenna, the better the quality of the received signal. Therefore, comparing the magnitude relationship between the second strength and the first strength can determine which of the first antenna and the second antenna has better received signal quality. If the second strength is greater than the first strength, it indicates that the quality of the signal received by the second antenna is better; if the second strength is not greater than the first strength, that is, the second strength is less than or equal to the first strength, it indicates that the quality of the signal received by the first antenna is better, or the quality of the signal received by the first antenna is the same as that of the signal received by the second antenna.
S141, if the second strength is greater than the first strength, switching to the second antenna to transmit a signal;
s142, if the second strength is not greater than the first strength, maintaining the first antenna to transmit the signal at the second power.
After the electronic device determines the magnitude relationship between the second strength and the first strength, if the second strength is greater than the first strength, that is, the signal quality received by the second antenna is better, the electronic device switches to the second antenna to transmit a signal. That is, the second antenna is switched to a main set antenna, and the first antenna is switched to a diversity antenna. At this time, the second antenna transmits signals, and the first antenna and the second antenna still receive signals simultaneously. In some embodiments, when switching to transmit signals by the second antenna, the power of the signals transmitted by the second antenna may be smaller than the first power.
It can be understood that, because the first antenna and the second antenna are arranged at different positions on the electronic device, the interference situations of the first antenna and the second antenna on the functional module are different. After the second antenna is switched to transmit signals, the interference to the functional module caused by the signal receiving and transmitting of the electronic equipment can be reduced. Therefore, the stability of the functional module can be improved, and the functional stability of the electronic equipment can be further improved.
In some embodiments, referring to fig. 7, a processor in the electronic device may be coupled to the first antenna and the second antenna, respectively, by toggling a switch. When the second antenna needs to be switched to transmit signals, the processor can be switched to be connected with the second antenna through the switch, so that the second antenna is switched to be the main antenna.
If the second strength is not greater than the first strength, that is, the quality of the signal received by the first antenna is better, or the quality of the signal received by the first antenna and the quality of the signal received by the second antenna are the same, the first antenna is maintained to transmit the signal at the second power. Because the second power is less than the first power, when the first antenna transmits signals with the second power, the interference of the electronic equipment for transmitting and receiving signals to the functional module can be reduced. Therefore, the stability of the functional module can be improved, and the functional stability of the electronic equipment can be further improved.
In some embodiments, as shown in fig. 4, step S110, if it is detected that the first antenna transmits the signal at the first power and causes interference to a functional module of the electronic device, controlling the first antenna to transmit the signal at the second power includes the following steps:
s111, if it is detected that the first antenna transmits a signal at a first power and causes interference to a functional module of the electronic device, acquiring a power back-off value according to the functional module;
s112, calculating a second power according to the first power and the power back-off value;
s113, controlling the first antenna to transmit the signal with the second power.
Different power back-off values can be preset for different functional modules in the electronic equipment. The power back-off value represents a value of backing off the power of a signal transmitted by an antenna when the antenna of the electronic equipment causes interference to the functional module, namely a value of power reduction. For example, the power back-off values corresponding to different functional modules in the electronic device may be as shown in table 1:
TABLE 1
| Functional module | Power back off value |
| Proximity sensor | 5dBm |
| Motor with a stator having a stator core | 3dBm |
| Universal serial bus interface | 6dBm |
| …… | …… |
When the electronic equipment detects that the first antenna transmits signals at the first power, interference is caused on the functional module of the electronic equipment, and the functional module is determined. And then, acquiring a power back-off value according to the functional module. For example, if the functional module affected by the first antenna interference is a proximity sensor, the electronic device may acquire a power backoff value of 5 dBm.
Then, the electronic device calculates a second power according to the first power of the first antenna and the power back-off value, and controls the first antenna to transmit signals at the second power.
In some embodiments, as shown in fig. 5, the step S112 of calculating the second power according to the first power and the power back-off value includes the following steps:
s1121, calculating a difference between the first power and the power back-off value;
and S1122, determining the difference value as the second power.
After the electronic equipment acquires the power back-off value of the functional module, the difference value between the first power and the power back-off value is calculated. For example, if the first power of the transmission signal of the first antenna is 80dBm, and the obtained power backoff value is 5dBm, the calculated difference is 75 dBm. The electronic device then determines the calculated difference as a second power and controls the first antenna to transmit signals at the second power.
In some embodiments, as shown in fig. 6, after maintaining the first antenna to transmit signals at the second power if the second strength is not greater than the first strength in step S142, the method further includes the following steps:
s151, detecting whether the first antenna transmits the signal with the second power and causes interference to the functional module.
When the electronic device maintains the first antenna to transmit the signal at the second power, the electronic device may detect whether the first antenna still causes interference to the functional module. For example, the electronic device may obtain operating parameters of the functional module, and compare the obtained operating parameters with the operating parameters of the functional module when the antenna does not transmit a signal, so as to determine whether the functional module is interfered.
If the first antenna does not interfere with the functional module, the first antenna may be maintained to transmit signals at the second power. If the first antenna still causes interference to the functional module, the electronic device may further process the signal.
In some embodiments, as shown in fig. 6, after detecting whether the first antenna transmits the signal at the second power and causes interference to the functional module in step S151, the method further includes the following steps:
s152, if the first antenna transmits the signal at the second power and interferes with the functional module, controlling the first antenna to transmit the signal at a third power, where the third power is smaller than the second power;
s153, respectively obtaining a third strength of the first antenna receiving signal and a fourth strength of the second antenna receiving signal;
s154, judging whether the fourth intensity is greater than the third intensity;
s155, if the fourth intensity is greater than the third intensity, switching to the second antenna to transmit signals;
s156, if the fourth strength is not greater than the third strength, maintaining the first antenna to transmit the signal at the third power.
If the first antenna transmits the signal at the second power and causes interference to the functional module, the electronic device controls the first antenna to transmit the signal at a third power, wherein the third power is smaller than the second power. Then, the electronic device respectively obtains a third strength of the first antenna receiving signal and a fourth strength of the second antenna receiving signal, and judges whether the fourth strength is greater than the third strength. If the fourth intensity is greater than the third intensity, switching to the second antenna to transmit signals; if the fourth strength is not greater than the third strength, maintaining the first antenna to transmit signals at the third power.
It should be noted that, steps S110 to S142 may be referred to in steps S152 to S156, which are not described herein again.
It will be appreciated that the electronic device may perform a plurality of processes when the first antenna of the electronic device transmits a signal that interferes with the functional module. For example, while the electronic device continues to maintain the first antenna transmitting signals, a third detection, a fourth detection, and processing may continue, and so on.
In particular implementation, the present application is not limited by the execution sequence of the described steps, and some steps may be performed in other sequences or simultaneously without conflict.
As can be seen from the above, the antenna switching method provided in the embodiment of the present application includes: if the interference to a functional module of the electronic equipment is detected when the first antenna transmits a signal at a first power, controlling the first antenna to transmit the signal at a second power, wherein the second power is smaller than the first power; respectively acquiring a first intensity of a first antenna receiving signal and a second intensity of a second antenna receiving signal; judging whether the second intensity is greater than the first intensity; if the second intensity is greater than the first intensity, switching to the second antenna to transmit signals; if the second intensity is not greater than the first intensity, maintaining the first antenna to transmit signals at the second power. In the antenna switching method, when the first antenna interferes with the functional module of the electronic device, the first antenna can be switched to the second antenna to transmit signals, or the power of the first antenna to transmit signals is reduced, so that the interference caused by the electronic device to the functional module during signal receiving and transmitting can be reduced, the stability of the functional module is improved, and the functional stability of the electronic device is further improved.
The embodiment of the application further provides an antenna switching device, the antenna switching device can be integrated in electronic equipment, and the electronic equipment can be equipment such as a smart phone and a tablet computer.
As shown in fig. 8, the antenna switching apparatus 200 may include: the device comprises a control module 201, an acquisition module 202, a judgment module 203 and a switching module 204.
The control module 201 is configured to control the first antenna to transmit a signal at a second power if it is detected that the first antenna transmits the signal at the first power and interferes with a functional module of the electronic device.
Wherein the electronic device comprises a first antenna and a second antenna. In an initial state, one of the first antenna and the second antenna is used as a main set antenna to transmit and receive signals; and the other as a diversity antenna, performing reception of the signal. For example, in the initial state, the first antenna serves as a main set antenna, and the second antenna serves as a diversity antenna.
In an initial state, the first antenna transmits a signal at a first power. Wherein the first power may be a power value set in advance. For example, the first power may be 80dBm (decibel-milliwatts).
When the first antenna transmits signals with first power, the electronic equipment detects whether the functional module is interfered by the signals transmitted by the first antenna. The functional modules may include functional modules such as a proximity sensor, a motor, a Universal Serial Bus (USB) interface, a microphone, and a speaker in the electronic device. The electronic device may obtain the operating parameters of the functional module, and compare the obtained operating parameters with the operating parameters of the functional module when the antenna is not transmitting signals, so as to determine whether the functional module is interfered. The operating parameters obtained by the electronic device may be different for different functional modules.
When the electronic device detects that the functional module is interfered, the control module 201 controls the first antenna to transmit a signal at a second power. Wherein the second power is less than the first power. For example, the second power may be 75 dBm. The control module 201 may control the transmission power of the first antenna to be reduced to the second power by reducing the voltage or current supplied to the first antenna.
The obtaining module 202 is configured to obtain a first strength of a first antenna receiving signal and a second strength of a second antenna receiving signal respectively.
And when the first antenna transmits signals at the second power, the first antenna and the second antenna simultaneously receive signals. At this time, the obtaining module 202 may obtain a first strength of the first antenna receiving signal and a second strength of the second antenna receiving signal respectively. For example, the first intensity obtained is-60 dBm and the second intensity obtained is-70 dBm. Wherein, the greater the strength of the received signal, the better the quality of the received signal.
The determining module 203 is configured to determine whether the second intensity is greater than the first intensity.
After the obtaining module 202 obtains the first strength of the first antenna receiving signal and the second strength of the second antenna receiving signal, the determining module 203 may compare the second strength with the first strength to determine whether the second strength is greater than the first strength.
The greater the strength of the signal received by the antenna, the better the quality of the received signal. Therefore, comparing the magnitude relationship between the second strength and the first strength can determine which of the first antenna and the second antenna has better received signal quality. If the second strength is greater than the first strength, it indicates that the quality of the signal received by the second antenna is better; if the second strength is not greater than the first strength, that is, the second strength is less than or equal to the first strength, it indicates that the quality of the signal received by the first antenna is better, or the quality of the signal received by the first antenna is the same as that of the signal received by the second antenna.
A switching module 204, configured to:
if the second intensity is greater than the first intensity, switching to the second antenna to transmit signals;
if the second intensity is not greater than the first intensity, maintaining the first antenna to transmit signals at the second power.
After the determining module 203 determines the magnitude relationship between the second strength and the first strength, if the second strength is greater than the first strength, that is, the quality of the signal received by the second antenna is better, the switching module 204 switches to transmit the signal by the second antenna. That is, the second antenna is switched to a main set antenna, and the first antenna is switched to a diversity antenna. At this time, the second antenna transmits signals, and the first antenna and the second antenna still receive signals simultaneously. In some embodiments, when switching to transmit signals by the second antenna, the power of the signals transmitted by the second antenna may be smaller than the first power.
It can be understood that, because the first antenna and the second antenna are arranged at different positions on the electronic device, the interference situations of the first antenna and the second antenna on the functional module are different. After the second antenna is switched to transmit signals, the interference to the functional module caused by the signal receiving and transmitting of the electronic equipment can be reduced. Therefore, the stability of the functional module can be improved, and the functional stability of the electronic equipment can be further improved.
If the second strength is not greater than the first strength, that is, the quality of the signal received by the first antenna is better, or the qualities of the signals received by the first antenna and the second antenna are the same, the switching module 204 maintains the first antenna to transmit the signal at the second power, that is, does not perform antenna switching. Because the second power is less than the first power, when the first antenna transmits signals with the second power, the interference of the electronic equipment for transmitting and receiving signals to the functional module can be reduced. Therefore, the stability of the functional module can be improved, and the functional stability of the electronic equipment can be further improved.
In some embodiments, as shown in fig. 9, the control module 201 includes: an acquisition submodule 2011, a calculation submodule 2012 and a control submodule 2013.
The obtaining sub-module 2011 is configured to, if it is detected that the first antenna transmits a signal at a first power and interferes with a functional module of the electronic device, obtain a power backoff value according to the functional module;
a calculating submodule 2012, configured to calculate a second power according to the first power and the power backoff value;
a control submodule 2013, configured to control the first antenna to transmit a signal at the second power.
Different power back-off values can be preset for different functional modules in the electronic equipment. The power back-off value represents a value of backing off the power of a signal transmitted by an antenna when the antenna of the electronic equipment causes interference to the functional module, namely a value of power reduction. For example, the power back-off values corresponding to different functional modules in the electronic device may be as shown in table 2:
TABLE 2
| Functional module | Power back off value |
| Proximity sensor | 5dBm |
| Motor with a stator having a stator core | 3dBm |
| Universal serial bus interface | 6dBm |
| …… | …… |
When the electronic equipment detects that the first antenna transmits signals at the first power, interference is caused on the functional module of the electronic equipment, and the functional module is determined. Subsequently, the obtaining sub-module 2011 obtains the power backoff value according to the functional module. For example, if the functional module affected by the first antenna interference is a proximity sensor, the obtaining sub-module 2011 may obtain that the power back-off value is 5 dBm.
Then, the calculating submodule 2012 calculates a second power according to the first power of the first antenna and the power back-off value, and the control submodule 2013 controls the first antenna to transmit signals at the second power.
In some embodiments, the calculation sub-module 2012 is configured to perform the following steps:
calculating a difference between the first power and the power backoff value;
determining the difference as a second power.
After the obtaining sub-module 2011 obtains the power back-off value of the functional module, the calculating sub-module 2012 calculates a difference between the first power and the power back-off value. For example, if the first power of the transmission signal of the first antenna is 80dBm, and the obtained power backoff value is 5dBm, the calculated difference is 75 dBm. Subsequently, the calculating submodule 2012 determines the calculated difference as a second power, and the control submodule 2013 controls the first antenna to transmit signals at the second power.
In some embodiments, as shown in fig. 10, the antenna switching apparatus 200 further comprises a detection module 205.
A detecting module 205, configured to detect whether the first antenna transmits a signal at the second power and causes interference to the functional module.
When the first antenna transmits a signal at the second power, the detecting module 205 may detect whether the first antenna still causes interference to the functional module. For example, the detection module 205 may obtain an operating parameter of the functional module, and compare the obtained operating parameter with an operating parameter of the functional module when the antenna does not transmit a signal, so as to determine whether the functional module is interfered.
If the first antenna does not interfere with the functional module, the first antenna may be maintained to transmit signals at the second power. If the first antenna still causes interference to the functional module, further processing may be performed.
In some embodiments, the control module 201, the obtaining module 202, the determining module 203, and the switching module 204 may further perform the following steps:
a control module 201, configured to control the first antenna to transmit a signal at a third power if the first antenna transmits the signal at the second power and causes interference to the functional module, where the third power is smaller than the second power;
an obtaining module 202, configured to obtain a third strength of the first antenna receiving signal and a fourth strength of the second antenna receiving signal respectively;
a judging module 203, configured to judge whether the fourth intensity is greater than the third intensity;
a switching module 204, configured to:
if the fourth intensity is greater than the third intensity, switching to the second antenna to transmit signals;
if the fourth strength is not greater than the third strength, maintaining the first antenna to transmit signals at the third power.
If the first antenna transmits a signal at the second power and causes interference to the functional module, the control module 201 controls the first antenna to transmit a signal at a third power, where the third power is smaller than the second power. Subsequently, the obtaining module 202 obtains a third strength of the first antenna receiving signal and a fourth strength of the second antenna receiving signal, respectively, and the determining module 203 determines whether the fourth strength is greater than the third strength. If the fourth strength is greater than the third strength, the switching module 204 switches to transmit a signal for the second antenna; if the fourth strength is not greater than the third strength, the switching module 204 maintains the first antenna to transmit signals at the third power.
It will be appreciated that the electronic device may perform a plurality of processes when the first antenna of the electronic device transmits a signal that interferes with the functional module. For example, while the electronic device continues to maintain the first antenna transmitting signals, a third detection, a fourth detection, and processing may continue, and so on.
In specific implementation, the modules may be implemented as independent entities, or may be combined arbitrarily and implemented as one or several entities.
As can be seen from the above, in the antenna switching apparatus 200 provided in this embodiment of the present application, if the control module 201 detects that the first antenna transmits a signal at a first power and causes interference to a functional module of the electronic device, the first antenna is controlled to transmit a signal at a second power, where the second power is smaller than the first power; the obtaining module 202 obtains a first strength of a first antenna receiving signal and a second strength of a second antenna receiving signal respectively; the judging module 203 judges whether the second intensity is greater than the first intensity; if the second strength is greater than the first strength, the switching module 204 switches to transmit a signal for the second antenna; if the second strength is not greater than the first strength, the switching module 204 maintains the first antenna to transmit signals at the second power. In the antenna switching apparatus 200, when the first antenna interferes with the functional module of the electronic device, the first antenna may be switched to transmit a signal by the second antenna, or the power of the first antenna to transmit a signal is reduced, so that the interference caused by the functional module when the electronic device receives and transmits a signal may be reduced, and the stability of the functional module may be improved, thereby improving the functional stability of the electronic device.
The embodiment of the application also provides the electronic equipment. The electronic device can be a smart phone, a tablet computer and the like. As shown in fig. 11, the electronic device 300 includes a processor 301 and a memory 302. The processor 301 is electrically connected to the memory 302.
The processor 301 is a control center of the electronic device 300, connects various parts of the entire electronic device using various interfaces and lines, and performs various functions of the electronic device and processes data by running or calling a computer program stored in the memory 302 and calling data stored in the memory 302, thereby performing overall monitoring of the electronic device.
In this embodiment, the processor 301 in the electronic device 300 loads instructions corresponding to one or more processes of the computer program into the memory 302 according to the following steps, and the processor 301 runs the computer program stored in the memory 302, so as to implement various functions:
if the interference to a functional module of the electronic equipment is detected when the first antenna transmits a signal at a first power, controlling the first antenna to transmit the signal at a second power, wherein the second power is smaller than the first power;
respectively acquiring a first intensity of a first antenna receiving signal and a second intensity of a second antenna receiving signal;
judging whether the second intensity is greater than the first intensity;
if the second intensity is greater than the first intensity, switching to the second antenna to transmit signals;
if the second intensity is not greater than the first intensity, maintaining the first antenna to transmit signals at the second power.
In some embodiments, if it is detected that the first antenna transmits a signal at a first power and causes interference to a functional module of the electronic device, when the first antenna is controlled to transmit a signal at a second power, the processor 301 performs the following steps:
if the interference to a functional module of the electronic equipment is detected when the first antenna transmits a signal at a first power, acquiring a power back-off value according to the functional module;
calculating a second power according to the first power and the power back-off value;
controlling the first antenna to transmit signals at the second power.
In some embodiments, when calculating the second power according to the first power and the power back-off value, the processor 301 performs the following steps:
calculating a difference between the first power and the power backoff value;
determining the difference as a second power.
In some embodiments, processor 301, after maintaining the first antenna transmitting signals at the second power if the second strength is not greater than the first strength, further performs the following steps:
detecting whether the first antenna transmits a signal at the second power and causes interference to the functional module.
In some embodiments, after detecting whether the first antenna transmits the signal at the second power and causes interference to the functional module, the processor 301 further performs the following steps:
if the first antenna is interfered with the functional module when transmitting the signal at the second power, controlling the first antenna to transmit the signal at a third power, wherein the third power is smaller than the second power;
respectively acquiring a third intensity of the first antenna receiving signal and a fourth intensity of the second antenna receiving signal;
judging whether the fourth intensity is greater than the third intensity;
if the fourth intensity is greater than the third intensity, switching to the second antenna to transmit signals;
if the fourth strength is not greater than the third strength, maintaining the first antenna to transmit signals at the third power.
In some embodiments, as shown in fig. 12, the electronic device 300 further comprises: radio frequency circuit 303, display screen 304, control circuit 305, input unit 306, audio circuit 307, sensor 308, and power supply 309. The processor 301 is electrically connected to the rf circuit 303, the display 304, the control circuit 305, the input unit 306, the audio circuit 307, the sensor 308, and the power source 309, respectively.
The radio frequency circuit 303 is used for transceiving radio frequency signals to communicate with a network device or other electronic devices through wireless communication.
The display screen 304 may be used to display information entered by or provided to the user as well as various graphical user interfaces of the electronic device, which may be comprised of images, text, icons, video, and any combination thereof.
The control circuit 305 is electrically connected to the display screen 304, and is used for controlling the display screen 304 to display information.
The input unit 306 may be used to receive input numbers, character information, or user characteristic information (e.g., fingerprint), and to generate keyboard, mouse, joystick, optical, or trackball signal inputs related to user settings and function control. The input unit 306 may include a fingerprint recognition module.
The sensor 308 is used to collect external environmental information. The sensor 308 may include one or more of an ambient light sensor, an acceleration sensor, a gyroscope, and the like.
The power supply 309 is used to power the various components of the electronic device 300. In some embodiments, the power source 309 may be logically coupled to the processor 301 through a power management system, such that functions to manage charging, discharging, and power consumption management are performed through the power management system.
Although not shown in fig. 12, the electronic device 300 may further include a camera, a bluetooth module, and the like, which are not described in detail herein.
As can be seen from the above, an embodiment of the present application provides an electronic device, where the electronic device performs the following steps: if the interference to a functional module of the electronic equipment is detected when the first antenna transmits a signal at a first power, controlling the first antenna to transmit the signal at a second power, wherein the second power is smaller than the first power; respectively acquiring a first intensity of a first antenna receiving signal and a second intensity of a second antenna receiving signal; judging whether the second intensity is greater than the first intensity; if the second intensity is greater than the first intensity, switching to the second antenna to transmit signals; if the second intensity is not greater than the first intensity, maintaining the first antenna to transmit signals at the second power. When the first antenna interferes with the functional module of the electronic device, the electronic device can be switched to transmit a signal by the second antenna, or the power of the first antenna to transmit a signal is reduced, so that the interference caused by the functional module when the electronic device receives and transmits a signal can be reduced, the stability of the functional module is improved, and the functional stability of the electronic device is improved.
An embodiment of the present application further provides a storage medium, where a computer program is stored in the storage medium, and when the computer program runs on a computer, the computer executes the antenna switching method according to any of the above embodiments.
It should be noted that, all or part of the steps in the methods of the above embodiments may be implemented by hardware related to instructions of a computer program, which may be stored in a computer-readable storage medium, which may include, but is not limited to: read Only Memory (ROM), Random Access Memory (RAM), magnetic or optical disks, and the like.
The antenna switching method, the antenna switching device, the storage medium, and the electronic device provided in the embodiments of the present application are described in detail above. The principle and the implementation of the present application are explained herein by applying specific examples, and the above description of the embodiments is only used to help understand the method and the core idea of the present application; meanwhile, for those skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (9)
1. An antenna switching method is applied to electronic equipment, and is characterized in that the electronic equipment comprises a first antenna and a second antenna, and the antenna switching method comprises the following steps:
if the interference to a functional module of the electronic equipment is detected when the first antenna transmits a signal at a first power, acquiring a power back-off value according to the functional module; calculating second power according to the first power and the power back-off value, and controlling the transmission power of the first antenna to be reduced to the second power by reducing the voltage or current supplied to the first antenna, wherein working parameters of the functional module are obtained, and the obtained working parameters are compared with the working parameters of the functional module when the antenna does not transmit signals, so as to judge whether the functional module is interfered, and the second power is smaller than the first power;
respectively acquiring a first strength of a signal received by the first antenna and a second strength of a signal received by the second antenna, wherein the first antenna and the second antenna simultaneously receive signals;
judging whether the second intensity is greater than the first intensity;
if the second strength is greater than the first strength, switching to the second antenna to transmit signals so as to use the second antenna as a main set antenna, and controlling the second antenna to transmit signals with fourth power, wherein the fourth power is less than the first power;
if the second strength is not greater than the first strength, maintaining the first antenna to transmit signals at the second power to maintain the first antenna as a main set antenna.
2. The antenna switching method of claim 1, wherein calculating a second power according to the first power and the power back-off value comprises:
calculating a difference between the first power and the power backoff value;
determining the difference as a second power.
3. The method of any of claims 1-2, wherein after maintaining the first antenna transmitting signals at the second power if the second strength is not greater than the first strength, further comprising:
detecting whether the first antenna transmits a signal at the second power and causes interference to the functional module.
4. The antenna switching method according to claim 3, wherein after detecting whether the first antenna transmits the signal at the second power and causes interference to the functional module, the method further comprises:
if the first antenna is interfered with the functional module when transmitting the signal at the second power, controlling the first antenna to transmit the signal at a third power, wherein the third power is smaller than the second power;
respectively acquiring a third intensity of the first antenna receiving signal and a fourth intensity of the second antenna receiving signal;
judging whether the fourth intensity is greater than the third intensity;
if the fourth intensity is greater than the third intensity, switching to the second antenna to transmit signals;
if the fourth strength is not greater than the third strength, maintaining the first antenna to transmit signals at the third power.
5. An antenna switching device applied to an electronic device, wherein the electronic device comprises a first antenna and a second antenna, the antenna switching device comprising:
the control module is used for acquiring a power back-off value according to a functional module if the interference to the functional module of the electronic equipment is detected when the first antenna transmits a signal at a first power; calculating second power according to the first power and the power back-off value, and controlling the transmission power of the first antenna to be reduced to the second power by reducing the voltage or current supplied to the first antenna, wherein working parameters of the functional module are obtained, and the obtained working parameters are compared with the working parameters of the functional module when the antenna does not transmit signals, so as to judge whether the functional module is interfered, and the second power is smaller than the first power;
an obtaining module, configured to obtain a first strength of a signal received by the first antenna and a second strength of a signal received by the second antenna, respectively, where the first antenna and the second antenna receive signals simultaneously;
the judging module is used for judging whether the second intensity is greater than the first intensity;
a switching module to:
if the second strength is greater than the first strength, switching to the second antenna to transmit signals so as to use the second antenna as a main set antenna, and controlling the second antenna to transmit signals with fourth power, wherein the fourth power is less than the first power;
if the second strength is not greater than the first strength, maintaining the first antenna to transmit signals at the second power to maintain the first antenna as a main set antenna.
6. The antenna switching apparatus according to claim 5, wherein the computing sub-module is configured to:
calculating a difference between the first power and the power backoff value;
determining the difference as a second power.
7. The antenna switching apparatus according to any one of claims 5 to 6, further comprising:
a detecting module, configured to detect whether the functional module is interfered by the first antenna when the first antenna transmits the signal at the second power after the first antenna transmits the signal at the second power if the second strength is not greater than the first strength.
8. A storage medium having stored therein a computer program which, when run on a computer, causes the computer to execute the antenna switching method of any one of claims 1 to 4.
9. An electronic device, characterized in that the electronic device comprises a processor and a memory, wherein the memory stores a computer program, and the processor is configured to execute the antenna switching method according to any one of claims 1 to 4 by calling the computer program stored in the memory.
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| US8878602B1 (en) * | 2013-03-12 | 2014-11-04 | Amazon Technologies, Inc. | Reducing noise effects in an electronic computing device |
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