CN108093134B - Anti-interference method of electronic equipment and related product - Google Patents

Anti-interference method of electronic equipment and related product Download PDF

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Publication number
CN108093134B
CN108093134B CN201711346931.7A CN201711346931A CN108093134B CN 108093134 B CN108093134 B CN 108093134B CN 201711346931 A CN201711346931 A CN 201711346931A CN 108093134 B CN108093134 B CN 108093134B
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mclk
frequency
radio frequency
frequency band
interference
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CN108093134A (en
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张会勇
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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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
    • 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
    • H04B1/06—Receivers
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Environmental & Geological Engineering (AREA)
  • Human Computer Interaction (AREA)
  • Telephone Function (AREA)
  • Studio Devices (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The application provides an anti-interference method of electronic equipment and a related product, wherein the method comprises the following steps: when a camera of the electronic equipment works at a first MCLK frequency, acquiring a radio frequency band of a registration channel; when an intersection exists between the radio frequency band and a first preset interference scrambling point set corresponding to the first MCLK frequency, switching the first MCLK frequency to a second MCLK frequency, wherein the intersection does not exist between a second preset interference scrambling point set corresponding to the second MCLK frequency and the radio frequency band; maintaining the first MCLK frequency when there is no intersection between the radio frequency band and the first set of predetermined interference frequency points. By adopting the embodiment of the application, the interference between the camera and the RF can be reduced, the communication quality of a user is improved, and the method and the device have the advantage of high user experience.

Description

Anti-interference method of electronic equipment and related product
Technical Field
The present application relates to the field of communications technologies, and in particular, to an anti-interference method for an electronic device and a related product.
Background
With the development of electronic devices (e.g., mobile phones, tablet computers, etc.), especially smart phones, smart phones have become essential for people's life, for example, taking pictures or taking pictures with smart phones also become essential life style for people's daily life, especially self-shooting and video call functions, and are more commonly used. However, during photographing and video call, the (MCLK) interface signal of the mobile industry processor of the front camera interferes with the reception of the RF signal, which affects the RF reception performance, and therefore, how to solve the interference between the MCLK and the RF channel of the camera is a critical solution.
Disclosure of Invention
The embodiment of the application provides an anti-interference method of electronic equipment and a related product, and can solve the problem of interference between a camera MCLK and an RF channel.
A first aspect of an embodiment of the present application provides an anti-interference method for an electronic device, including:
when a camera of the electronic equipment works at a first MCLK frequency, acquiring a radio frequency band of a registration channel;
when an intersection exists between the radio frequency band and a first preset interference scrambling point set corresponding to the first MCLK frequency, switching the first MCLK frequency to a second MCLK frequency, wherein the intersection does not exist between a second preset interference scrambling point set corresponding to the second MCLK frequency and the radio frequency band;
maintaining the first MCLK frequency when there is no intersection between the radio frequency band and the first set of predetermined interference frequency points.
A second aspect of the embodiments of the present application provides an anti-interference apparatus, including:
the first acquisition unit is used for acquiring the radio frequency band of the registration channel when a camera of the electronic equipment works at a first MCLK frequency;
the switching unit is used for switching the first MCLK frequency to a second MCLK frequency when an intersection exists between the radio frequency band and a first preset interference point set corresponding to the first MCLK frequency, and an intersection does not exist between a second preset interference point set corresponding to the second MCLK frequency and the radio frequency band;
a holding unit, configured to hold the first MCLK frequency when there is no intersection between the radio frequency band and the first preset interference frequency point set.
In a third aspect, an embodiment of the present application provides an electronic device, including: an application processor AP and a memory; and one or more programs stored in the memory and configured to be executed by the AP, the programs including instructions for some or all of the steps as described in the first aspect.
In a fourth aspect, the present application provides a computer-readable storage medium, where the computer-readable storage medium is used to store a computer program, where the computer program is used to make a computer execute some or all of the steps described in the first aspect of the present application.
In a fifth aspect, embodiments of the present application provide a computer program product, where the computer program product comprises a non-transitory computer-readable storage medium storing a computer program, the computer program being operable to cause a computer to perform some or all of the steps as described in the first aspect of embodiments of the present application. The computer program product may be a software installation package.
The embodiment of the application has the following beneficial effects:
it can be seen that, according to the embodiment of the present application, when a camera of an electronic device works at a first MCLK frequency, a radio frequency band of a registration channel is obtained, when an intersection exists between the radio frequency band and a first preset interference point set corresponding to the first MCLK frequency, the first MCLK frequency is switched to a second MCLK frequency, when no intersection exists between the second preset interference point set corresponding to the second MCLK frequency and the radio frequency band, and when no intersection exists between the radio frequency band and the first preset interference point set, the first MCLK frequency is maintained.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic flowchart of an anti-interference method for an electronic device according to an embodiment of the present disclosure.
Fig. 2 is a schematic flowchart of an anti-interference method for an electronic device according to an embodiment of the present disclosure.
Fig. 3 is a schematic structural diagram of an electronic device disclosed in an embodiment of the present application.
Fig. 4A is a schematic structural diagram of an anti-interference apparatus according to an embodiment of the present application.
Fig. 4B is a schematic structural diagram of a switching unit of the interference rejection apparatus described in fig. 4A according to an embodiment of the present application.
Fig. 4C is a schematic diagram of another structure of the interference rejection apparatus described in fig. 4A according to an embodiment of the present application.
Fig. 4D is a schematic diagram of another structure of the tamper-resistant apparatus described in fig. 4A according to an embodiment of the present application.
Fig. 5 is another schematic structural diagram of an electronic 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," "third," and "fourth," etc. in the description and claims of this application and in the accompanying drawings are used for distinguishing between different objects and not for describing a particular order. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
The electronic device in the embodiment of the present application may include a smart Phone (e.g., an Android Phone, an iOS Phone, a Windows Phone, etc.), a tablet computer, a palm computer, a notebook computer, a Mobile Internet Device (MID), a wearable device, and the like, where the electronic device is merely an example, and is not exhaustive, and includes but is not limited to the electronic device, and for convenience of description, the electronic device is referred to as a User Equipment (UE) in the following embodiment. Of course, in practical applications, the user equipment is not limited to the above presentation form, and may also include: intelligent vehicle-mounted terminal, computer equipment and the like.
Optionally, the radio frequency band in this embodiment of the present application mainly refers to a frequency band of a radio frequency signal used by a communication device in performing wireless communication. The radio frequency band is determined by the base station device of the serving cell where the communication device is currently located, and therefore, when the communication device is located in a different serving cell, the radio frequency band of the device may change. In addition, when the communication device is in multiple communication modes, for example, a global system for mobile communications (GSM)/Code Division Multiple Access (CDMA)/Wideband Code Division Multiple Access (WCDMA)/time division-synchronous code division multiple access (TDSCDMA)/Long Term Evolution (LTE), different radio frequency bands may be used in different communication modes, but may interfere with an MCLK operating frequency of the camera. The registration channel in this application is a radio frequency channel.
Optionally, in this embodiment of the application, the camera may be a front camera, a rear camera, or a side camera of the electronic device. The camera can also be one of the following: infrared cameras, visible light cameras, ultraviolet cameras, and the like. The camera can also be a single camera or a double camera. The photographing mode in the embodiment of the present application may include, but is not limited to: panorama mode, night mode, snow mode, professional mode, and the like.
The MCLK of the camera in the embodiment of the present application may be understood as a master clock of the camera, and is provided to the camera by the system. Pixel Clocks (PCLK) of different frequencies can be generated by a Phase Locked Loop (PLL) circuit inside the sensor, and PCLK is a pixel synchronization signal.
Electronic equipment has become a necessary article for people to live, and for example, mobile phones are used for shooting, photographing and video chatting, and the mobile phones also become indispensable life styles of people in daily life. However, during photographing, the MCLK signal of the front camera interferes with the reception of the WIFI signal during photographing or video chat, which affects the radio frequency reception performance of the WIFI, causes the problems of reduced network speed, disconnection and the like of the WIFI, and reduces the user experience of the user. The traditional method is solved through measures such as a series-common mode filter, a series inductor, a parallel capacitor, conductive cloth wrapping, grounding and the like, but the solving effect is poor. Therefore, the present application provides an anti-interference method for an electronic device, including the following steps:
when a camera of the electronic equipment works at a first MCLK frequency, acquiring a radio frequency band of a registration channel;
when an intersection exists between the radio frequency band and a first preset interference scrambling point set corresponding to the first MCLK frequency, switching the first MCLK frequency to a second MCLK frequency, wherein the intersection does not exist between a second preset interference scrambling point set corresponding to the second MCLK frequency and the radio frequency band;
maintaining the first MCLK frequency when there is no intersection between the radio frequency band and the first set of predetermined interference frequency points.
It can be seen that, according to the embodiment of the present application, when a camera of an electronic device works at a first MCLK frequency, a radio frequency band of a registration channel is obtained, when an intersection exists between the radio frequency band and a first preset interference point set corresponding to the first MCLK frequency, the first MCLK frequency is switched to a second MCLK frequency, when no intersection exists between the second preset interference point set corresponding to the second MCLK frequency and the radio frequency band, and when no intersection exists between the radio frequency band and the first preset interference point set, the first MCLK frequency is maintained.
In accordance with the foregoing, please refer to fig. 1, which is a flowchart illustrating an embodiment of an anti-jamming method for an electronic device according to an embodiment of the present application. The anti-interference method described in this embodiment may include the following steps:
101. when a camera of the electronic equipment works at a first MCLK frequency, a radio frequency band of a registration channel is obtained.
Wherein the registration channel interference may be from at least one of the following situations: a GSM reception band, a wireless fidelity (WIFI) band, a Global Positioning System (GPS) band, a Long Term Evolution (LTE) band (e.g., Time Division Duplexing (TDD), Frequency Division Duplexing (FDD)), and so on. The first MCLK frequency may be preset by a supplier of the camera or a manufacturer of the electronic device, and a plurality of MCLK frequencies may be preset for the camera in the electronic device, and the first MCLK frequency is one of the plurality of MCLK frequencies of the camera. After the first MCLK frequency is determined, a plurality of interference frequency points corresponding to the first MCLK frequency can be obtained through a calculation mode, and the plurality of interference frequency points form a preset interference frequency point set.
Optionally, in step 101, the obtaining of the radio frequency band of the registration channel may be implemented as follows:
and when the electronic equipment performs GSM registration, acquiring a GSM receiving frequency band as the radio frequency band through a MODEM MODEM of the electronic equipment.
When the electronic device performs GSM registration, a GSM receiving frequency band of the electronic device may be determined by a MODEM of the electronic device, and the GSM receiving frequency band is used as a radio frequency band.
Optionally, in step 101, the obtaining of the radio frequency band of the registration channel may be implemented as follows:
and when the electronic equipment starts the WIFI function, acquiring a WIFI frequency band as the radio frequency band through a MODEM (MODEM) of the electronic equipment.
When the electronic equipment starts a WIFI function, a WIFI frequency band of the electronic equipment is obtained through a MODEM MODEM of the electronic equipment, the WIFI frequency band possibly interferes with the first MCLK frequency, and the WIFI frequency band can be used as a radio frequency band.
Optionally, in step 101, the obtaining of the radio frequency band of the registration channel may be implemented as follows:
and when the electronic equipment starts the GPS function, acquiring a GPS frequency band as the radio frequency band through a MODEM MODEM of the electronic equipment.
When the electronic device starts the GPS function, the GPS frequency band of the electronic device may be determined by a MODEM of the electronic device, and the GPS frequency band may possibly interfere with the first MCLK frequency and may be used as a radio frequency band.
Optionally, in step 101, the obtaining of the radio frequency band of the registration channel may be implemented as follows:
and when the electronic equipment carries out LTE scanning, an LTE frequency band is obtained as the radio frequency band through a MODEM MODEM of the electronic equipment.
That is, in the step 101, the acquiring of the radio frequency band of the registration channel may be implemented as follows:
when the electronic equipment starts a designated function, acquiring the radio frequency of a registration channel corresponding to the designated function, wherein the designated function is one of the following functions: GSM, WIFI, GPS and LTE.
When the electronic device performs LTE registration, an LTE frequency band (e.g., a TDD-LTE frequency band or an FDD-LTE frequency band) of the electronic device may be determined by a MODEM of the electronic device, where the LTE frequency band may possibly cause interference to the first MCLK frequency, and the LTE frequency band may be used as a radio frequency band.
Optionally, before the step 101, the following steps may be further included:
a1, determining a target photographing mode;
a2, determining the first MCLK frequency corresponding to the target photographing mode according to the mapping relation between the preset photographing mode and the MCLK frequency.
The electronic device can pre-store the mapping relation between the photographing mode and the MCLK frequency, namely, different photographing modes correspond to different MCLK frequencies, so that different PCLK frequencies can be realized, and imaging in different photographing modes can be realized. The target photographing mode may be a current photographing mode.
Further optionally, the step a1 of determining the target photographing mode may include the following steps:
a11, obtaining ambient light parameters;
a12, determining shooting parameters corresponding to the ambient light parameters;
a13, determining a plurality of photographing modes corresponding to the photographing parameters;
a14, selecting one photographing mode from the plurality of photographing modes as the target photographing mode.
The above ambient light parameters may include ambient brightness or ambient color temperature, and the shooting parameters may include, but are not limited to: exposure duration, aperture size, sensitivity ISO, blurring region, focus region, focal length, object distance, etc. The electronic device may pre-store a mapping relationship between the ambient light parameter and the shooting parameter, and then, after the ambient light parameter is obtained, the shooting parameter corresponding to the ambient light parameter may be determined according to the mapping relationship. Of course, one shooting parameter may correspond to a plurality of shooting modes, and further, one shooting mode may be selected as the target shooting mode.
102. When intersection exists between the radio frequency band and a first preset interference scrambling point set corresponding to the first MCLK frequency, the first MCLK frequency is switched to a second MCLK frequency, and intersection does not exist between a second preset interference scrambling point set corresponding to the second MCLK frequency and the radio frequency band.
The second MCLK frequency may be preset by a supplier of the camera or a manufacturer of the electronic device, and a plurality of MCLK frequencies may be preset for the camera in the electronic device, and the second MCLK frequency is one of the plurality of MCLK frequencies. The second MCLK frequency may correspond to a plurality of interference frequency points, and after the second MCLK frequency is determined, the plurality of interference frequency points may be obtained through a calculation method, and the plurality of interference frequency points constitute a second preset interference frequency point set, and there is no intersection between the second preset interference frequency point set corresponding to the second MCLK frequency and the radio frequency band.
Optionally, N MCLK frequencies are pre-stored in the electronic device, where N is a positive integer greater than 1; in the step 102, switching the first MCLK frequency to the second MCLK frequency may include the following steps:
21. determining an interfering radio frequency channel, wherein the radio frequency band comprises the interfering radio frequency channel;
22. screening MCLK frequencies with interference degrees smaller than a preset interference threshold value from the N MCLK frequencies according to the interference radio frequency channel to obtain M MCLK frequencies, wherein M is a positive integer smaller than or equal to N;
23. one of the M MCLK frequencies is used as the second MCLK frequency, and the first MCLK frequency is switched to the second MCLK frequency.
The interference rf channel may be an rf channel corresponding to an interference signal, and the preset interference threshold may be set by a user or default. N MCLK frequencies can be stored in the electronic equipment in advance, wherein N is an integer larger than 1, the N MCLK frequencies can correspond to an interference degree with an interference radio frequency channel, furthermore, the MCLK frequencies with the interference degree smaller than a preset interference threshold value can be screened from the N MCLK frequencies, M MCLK frequencies are obtained, M is a positive integer not larger than N, furthermore, one MCLK frequency can be selected from the M MCLK frequencies to serve as a second MCLK frequency, and then the first MCLK frequency is switched to the second MCLK frequency. Alternatively, the second MCLK frequency may be one of the M MCLK frequencies that is closest to the first MCLK frequency.
Further optionally, before switching the first MCLK frequency to the second MCLK frequency in step 102, the following steps may be further included:
and determining working power corresponding to the interference radio frequency channel, and executing the step of switching the first MCLK frequency to the second MCLK frequency when the working power is larger than a preset working power threshold value.
The strength of the interference corresponding to the interference radio frequency channel is determined by the working power of the hardware corresponding to the interference radio frequency channel, and then the working power is large, which indicates that the interference is large, and the working power is small, which indicates that the interference is small, and further, a preset working power threshold value can be preset, when the working power is greater than the preset working power threshold value, the step of switching the first MCLK frequency to the second MCLK frequency is executed, and when the working power is less than or equal to the preset working power threshold value, the step of switching the first MCLK frequency to the second MCLK frequency is not executed.
103. Maintaining the first MCLK frequency when there is no intersection between the radio frequency band and the first set of predetermined interference frequency points.
If there is no intersection between the radio frequency band and the first predetermined interference frequency point set, it indicates that there is no interference between the first MCLK frequency and the RF frequency, and the first MCLK frequency can be maintained.
For example, an anti-interference method is proposed based on the above application, that is, MCLK frequencies of two groups of cameras, namely, a first MCLK frequency a and a second MCLK frequency B, are preset in an electronic device, and according to the frequencies a and B, an RF frequency band and a corresponding channel that may be interfered are calculated, for example, 6 existing cellular mobile systems may be included: GSM, WCDMA, TDSCDMA, TDD-LTE, FDD-LTE, CDMA, and as switching conditions preset in the electronic equipment, if, frequency A interferes RF frequency band 1, does not interfere other frequency bands of RF, frequency B interferes RF frequency band 2, does not interfere other frequency bands of RF, when the registration channel that adjustment demodulator MODEM of electronic equipment reported is frequency A's interference channel, when the camera worked with frequency A, RF work is at frequency band 1, with frequency A to frequency B, when RF work is at frequency band 1, MCLK frequency keeps frequency A, so, can save cost and improve user experience.
Optionally, in step 102, switching the first MCLK frequency to the second MCLK frequency may further include the following steps:
acquiring a first working power corresponding to the first MCLK frequency; acquiring a second working power corresponding to the radio frequency band; and when the first working power is greater than a first preset threshold and the second working power is greater than a second preset threshold, executing the step of switching the first MCLK frequency to the second MCLK frequency.
The first preset threshold and the second preset threshold may be set by the user, or the system is default, and certainly, when the first working power is greater than the first preset threshold, it indicates that the MCLK signal is stronger, and when the second working power is greater than the second preset threshold, it indicates that the signal corresponding to the radio frequency band is stronger, and further, certain interference may be caused between the MCLK signal and the RF signal of the camera.
It can be seen that, according to the embodiment of the present application, when a camera of an electronic device works at a first MCLK frequency, a radio frequency band of a registration channel is obtained, when an intersection exists between the radio frequency band and a first preset interference point set corresponding to the first MCLK frequency, the first MCLK frequency is switched to a second MCLK frequency, when no intersection exists between the second preset interference point set corresponding to the second MCLK frequency and the radio frequency band, and when no intersection exists between the radio frequency band and the first preset interference point set, the first MCLK frequency is maintained.
In accordance with the foregoing, please refer to fig. 2, which is a flowchart illustrating an embodiment of an anti-jamming method for an electronic device according to an embodiment of the present application. The anti-interference method described in this embodiment may include the following steps:
201. when a camera of the electronic equipment works at a first MCLK frequency, a radio frequency band of a registration channel is obtained.
202. When intersection exists between the radio frequency band and a first preset interference scrambling point set corresponding to the first MCLK frequency, the first MCLK frequency is switched to a second MCLK frequency, and intersection does not exist between a second preset interference scrambling point set corresponding to the second MCLK frequency and the radio frequency band.
203. Maintaining the first MCLK frequency when there is no intersection between the radio frequency band and the first set of predetermined interference frequency points.
For the detailed description of steps 201 to 203, the anti-interference method of the electronic device described in fig. 1 may be referred to, and is not described herein again.
204. And when the interference signal corresponding to the radio frequency band does not exist, switching the second MCLK frequency to the first MCLK frequency.
If the interference signal corresponding to the radio frequency band does not exist, it indicates that the original interference disappears, and no interference is caused to communication, and further, the second MCLK frequency can be switched to the first MCLK frequency.
It can be seen that, with the embodiment of the present application, when the camera of the electronic device operates at the first MCLK frequency, the radio frequency band of the registration channel is obtained, when there is an intersection between the radio frequency band and the first predetermined interference frequency point set corresponding to the first MCLK frequency, the first MCLK frequency is switched to a second MCLK frequency, there is no intersection between a second preset interference frequency point set corresponding to the second MCLK frequency and the radio frequency band, maintaining the first MCLK frequency when there is no intersection between the RF band and the first set of predetermined interference frequency points, when the interference signal corresponding to the radio frequency band does not exist, the second MCLK frequency is switched to the first MCLK frequency, so that, when MCLK of a camera of the electronic equipment works and is interfered by RF, the MCLK frequency of the camera can be switched, the interference between the MCLK of the camera and the RF can be reduced, the communication quality of a user is improved, and the method has the advantage of high user experience.
Referring to fig. 3, fig. 3 is an electronic device according to an embodiment of the present disclosure, including: an application processor AP and a memory; and one or more programs stored in the memory and configured for execution by the AP, the programs including instructions for performing the steps of:
when a camera of the electronic equipment works at a first MCLK frequency, acquiring a radio frequency band of a registration channel;
when an intersection exists between the radio frequency band and a first preset interference scrambling point set corresponding to the first MCLK frequency, switching the first MCLK frequency to a second MCLK frequency, wherein the intersection does not exist between a second preset interference scrambling point set corresponding to the second MCLK frequency and the radio frequency band;
maintaining the first MCLK frequency when there is no intersection between the radio frequency band and the first set of predetermined interference frequency points.
In one possible example, in terms of the acquiring the radio frequency band of the registration channel, the program includes instructions for performing the following steps:
and when the electronic equipment performs GSM registration, acquiring a GSM receiving frequency band as the radio frequency band through a MODEM MODEM of the electronic equipment.
In one possible example, in terms of the acquiring the radio frequency band of the registration channel, the program includes instructions for performing the following steps:
and when the electronic equipment starts the WIFI function, acquiring a WIFI frequency band as the radio frequency band through a MODEM (MODEM) of the electronic equipment.
In one possible example, in terms of the acquiring the radio frequency band of the registration channel, the program includes instructions for performing the following steps:
and when the electronic equipment starts the GPS function, acquiring a GPS frequency band as the radio frequency band through a MODEM MODEM of the electronic equipment.
In one possible example, in terms of the acquiring the radio frequency band of the registration channel, the program includes instructions for performing the following steps:
and when the electronic equipment carries out LTE scanning, an LTE frequency band is obtained as the radio frequency band through a MODEM MODEM of the electronic equipment.
In one possible example, the program further comprises instructions for performing the steps of:
determining a target photographing mode;
and determining the first MCLK frequency corresponding to the target photographing mode according to a preset mapping relation between the photographing mode and the MCLK frequency.
In one possible example, in the determining the target photographing mode, the program includes instructions for performing the steps of:
acquiring an ambient light parameter;
determining shooting parameters corresponding to the ambient light parameters;
determining a plurality of photographing modes corresponding to the photographing parameters;
and selecting one photographing mode from the plurality of photographing modes as the target photographing mode.
In one possible example, N MCLK frequencies are pre-stored in the electronic device, where N is a positive integer greater than 1; at the switching the first MCLK frequency to a second MCLK frequency, the program includes instructions for:
determining an interfering radio frequency channel, wherein the radio frequency band comprises the interfering radio frequency channel;
screening MCLK frequencies with interference degrees smaller than a preset interference threshold value from the N MCLK frequencies according to the interference radio frequency channel to obtain M MCLK frequencies, wherein M is a positive integer smaller than or equal to N;
one of the M MCLK frequencies is used as the second MCLK frequency, and the first MCLK frequency is switched to the second MCLK frequency.
In one possible example, the program further comprises instructions for performing the steps of:
acquiring a first working power corresponding to the first MCLK frequency;
acquiring a second working power corresponding to the radio frequency band;
and when the first working power is greater than a first preset threshold and the second working power is greater than a second preset threshold, executing the step of switching the first MCLK frequency to the second MCLK frequency.
Referring to fig. 4A, fig. 4A is a schematic structural diagram of an anti-interference apparatus provided in this embodiment. The interference rejection apparatus is applied to an electronic device, which may include a first obtaining unit 401, a switching unit 402, and a holding unit 403, wherein,
a first obtaining unit 401, configured to obtain a radio frequency band of a registration channel when a camera of an electronic device operates at a first MCLK frequency;
a switching unit 402, configured to switch the first MCLK frequency to a second MCLK frequency when there is an intersection between the radio frequency band and a first preset interference frequency point set corresponding to the first MCLK frequency, where there is no intersection between a second preset interference frequency point set corresponding to the second MCLK frequency and the radio frequency band;
a holding unit 403, configured to hold the first MCLK frequency when there is no intersection between the radio frequency band and the first preset interference frequency point set.
Optionally, in the aspect of acquiring the radio frequency band of the registration channel, the first acquiring unit 401 is specifically configured to:
and when the electronic equipment performs GSM registration, acquiring a GSM receiving frequency band as the radio frequency band through a MODEM MODEM of the electronic equipment.
Optionally, in the aspect of acquiring the radio frequency band of the registration channel, the first acquiring unit 401 is specifically configured to:
and when the electronic equipment starts the WIFI function, acquiring a WIFI frequency band as the radio frequency band through a MODEM (MODEM) of the electronic equipment.
Optionally, in the aspect of acquiring the radio frequency band of the registration channel, the first acquiring unit 401 is specifically configured to:
and when the electronic equipment starts the GPS function, acquiring a GPS frequency band as the radio frequency band through a MODEM MODEM of the electronic equipment.
Optionally, in the aspect of acquiring the radio frequency band of the registration channel, the first acquiring unit 401 is specifically configured to:
and when the electronic equipment carries out LTE scanning, an LTE frequency band is obtained as the radio frequency band through a MODEM MODEM of the electronic equipment.
Alternatively, as shown in fig. 4B, fig. 4B is a detailed structure of the switching unit 402 of the interference rejection apparatus depicted in fig. 4A, where N MCLK frequencies are stored in the electronic device in advance, where N is a positive integer greater than 1, and the switching unit 402 may include: the determining module 4021, the screening module 4022, and the switching module 4023 are as follows:
a determining module 4021, configured to determine an interfering radio frequency channel, where the radio frequency band includes the interfering radio frequency channel;
a screening module 4022, configured to screen, according to the interfering radio frequency channel, an MCLK frequency with an interference degree smaller than a preset interference threshold from the N MCLK frequencies to obtain M MCLK frequencies, where M is a positive integer smaller than or equal to N;
a switching module 4023, configured to use one MCLK frequency of the M MCLK frequencies as the second MCLK frequency, and switch the first MCLK frequency to the second MCLK frequency.
Alternatively, as shown in fig. 4C, fig. 4C is a modified structure of the tamper resistant apparatus depicted in fig. 4A, which may further include, compared with fig. 4A: the second obtaining unit 404 is specifically as follows:
a determining unit 404, configured to obtain a first working power corresponding to the first MCLK frequency; acquiring a second working power corresponding to the radio frequency band; the step of switching the first MCLK frequency to the second MCLK frequency is performed by the switching unit 402 when the first operating power is greater than a first preset threshold and the second operating power is greater than a second preset threshold.
Alternatively, as shown in fig. 4D, fig. 4D is a modified structure of the tamper-resistant apparatus depicted in fig. 4A, which may further include, compared with fig. 4A: the determining unit 405 specifically includes:
the determining unit 405 is configured to determine a target photographing mode; and determining the first MCLK frequency corresponding to the target photographing mode according to a mapping relation between a preset photographing mode and the MCLK frequency.
Further optionally, in terms of determining the target photographing mode, the determining unit 405 is specifically configured to:
acquiring an ambient light parameter;
determining shooting parameters corresponding to the ambient light parameters;
determining a plurality of photographing modes corresponding to the photographing parameters;
and selecting one photographing mode from the plurality of photographing modes as the target photographing mode.
It can be seen that, with the anti-jamming device described in this embodiment of the present application, when a camera of an electronic device operates at a first MCLK frequency, a radio frequency band of a registration channel is obtained, when an intersection exists between the radio frequency band and a first preset interference scrambling point set corresponding to the first MCLK frequency, the first MCLK frequency is switched to a second MCLK frequency, when an intersection does not exist between a second preset interference scrambling point set corresponding to the second MCLK frequency and the radio frequency band, and when an intersection does not exist between the radio frequency band and the first preset interference scrambling point set, the first MCLK frequency is maintained, so that, when the MCLK of the camera of the electronic device operates, if the MCLK of the camera is interfered by RF, the MCLK frequency of the camera can be switched, which can reduce interference between the MCLK of the camera and the RF, improve communication quality of a user, and has an advantage of high user experience.
As shown in fig. 5, for convenience of description, only the portions related to the embodiments of the present application are shown, and details of the specific technology are not disclosed, please refer to the method portion of the embodiments of the present application. The electronic device may be any terminal device including a mobile phone, a tablet computer, a Personal Digital Assistant (PDA), a point of sale (POS), a vehicle-mounted computer, and the like, taking the electronic device as the mobile phone as an example:
fig. 5 is a block diagram illustrating a partial structure of a mobile phone related to an electronic device provided in an embodiment of the present application. Referring to fig. 5, the handset includes: radio Frequency (RF) circuitry 910, memory 920, input unit 930, sensor 950, audio circuitry 960, wireless fidelity (WiFi) module 970, application processor AP980, and power supply 990. Those skilled in the art will appreciate that the handset configuration shown in fig. 5 is not intended to be limiting and may include more or fewer components than those shown, or some components may be combined, or a different arrangement of components.
The following describes each component of the mobile phone in detail with reference to fig. 5:
the input unit 930 may be used to receive input numeric or character information and generate key signal inputs related to user settings and function control of the cellular phone. Specifically, the input unit 930 may include a touch display screen 933, a biometric recognition device 931 (e.g., a fingerprint recognition device, a voiceprint recognition device, a face recognition device, an iris recognition device, a brain wave recognition device, etc.), and other input devices 932. The biometric device 931 may refer to the above structure, and the specific structural composition may refer to the above description, which is not described herein in detail. The input unit 930 may also include other input devices 932. In particular, other input devices 932 may include, but are not limited to, one or more of physical keys, function keys (e.g., volume control keys, switch keys, etc.), a trackball, a mouse, a joystick, and the like.
Wherein, the AP980 is configured to perform the following steps:
when a camera of the electronic equipment works at a first MCLK frequency, acquiring a radio frequency band of a registration channel;
when an intersection exists between the radio frequency band and a first preset interference scrambling point set corresponding to the first MCLK frequency, switching the first MCLK frequency to a second MCLK frequency, wherein the intersection does not exist between a second preset interference scrambling point set corresponding to the second MCLK frequency and the radio frequency band;
maintaining the first MCLK frequency when there is no intersection between the radio frequency band and the first set of predetermined interference frequency points.
The AP980 is a control center of the mobile phone, connects various parts of the entire mobile phone by using various interfaces and lines, and performs various functions and processes of the mobile phone by operating or executing software programs and/or modules stored in the memory 920 and calling data stored in the memory 920, thereby integrally monitoring the mobile phone. Optionally, the AP980 may include one or more processing units, which may be artificial intelligence chips, quantum chips; preferably, the AP980 may integrate an application processor, which mainly handles operating systems, user interfaces, applications, etc., and a modem processor, which mainly handles wireless communications. It will be appreciated that the modem processor described above may not be integrated into the AP 980.
Further, the memory 920 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device.
RF circuitry 910 may be used for the reception and transmission of information. In general, the RF circuit 910 includes, but is not limited to, an antenna, at least one Amplifier, a transceiver, a coupler, a Low Noise Amplifier (LNA), a duplexer, and the like. In addition, the RF circuit 910 may also communicate with networks and other devices via wireless communication. The wireless communication may use any communication standard or protocol, including but not limited to Global System for mobile communications (GSM), General Packet Radio Service (GPRS), Code Division Multiple Access (CDMA), Wideband Code Division Multiple Access (WCDMA), Long Term Evolution (LTE), email, Short Messaging Service (SMS), and the like.
The handset may also include at least one sensor 950, such as a light sensor, motion sensor, and other sensors. Specifically, the light sensor may include an environment sensor and a proximity sensor, wherein the environment sensor may adjust brightness of the touch display screen according to brightness of ambient light, and the proximity sensor may turn off the touch display screen and/or the backlight when the mobile phone moves to the ear. As one of the motion sensors, the accelerometer sensor can detect the magnitude of acceleration in each direction (generally, three axes), can detect the magnitude and direction of gravity when stationary, and can be used for applications of recognizing the posture of a mobile phone (such as horizontal and vertical screen switching, related games, magnetometer posture calibration), vibration recognition related functions (such as pedometer and tapping), and the like; as for other sensors such as a gyroscope, a barometer, a hygrometer, a thermometer, and an infrared sensor, which can be configured on the mobile phone, further description is omitted here.
Audio circuitry 960, speaker 961, microphone 962 may provide an audio interface between a user and a cell phone. The audio circuit 960 may transmit the electrical signal converted from the received audio data to the speaker 961, and the audio signal is converted by the speaker 961 to be played; on the other hand, the microphone 962 converts the collected sound signal into an electrical signal, and the electrical signal is received by the audio circuit 960 and converted into audio data, and the audio data is processed by the audio playing AP980, and then sent to another mobile phone via the RF circuit 910, or played to the memory 920 for further processing.
WiFi belongs to short-distance wireless transmission technology, and the mobile phone can help a user to receive and send e-mails, browse webpages, access streaming media and the like through the WiFi module 970, and provides wireless broadband Internet access for the user. Although fig. 5 shows the WiFi module 970, it is understood that it does not belong to the essential constitution of the handset, and can be omitted entirely as needed within the scope not changing the essence of the invention.
The handset also includes a power supply 990 (e.g., a battery) for supplying power to the various components, and preferably, the power supply may be logically connected to the AP980 via a power management system, so that functions such as managing charging, discharging, and power consumption may be performed via the power management system.
Although not shown, the mobile phone may further include a camera, a bluetooth module, etc., which are not described herein.
In the foregoing embodiments shown in fig. 1 or fig. 2, the method flows of the steps may be implemented based on the structure of the mobile phone.
In the embodiments shown in fig. 3, 4A, 4B, 4C or 4D, the functions of the units may be implemented based on the structure of the mobile phone.
Embodiments of the present application also provide a computer storage medium, where the computer storage medium stores a computer program for electronic data exchange, and the computer program enables a computer to execute some or all of the steps of the interference rejection method of any electronic device as described in the above method embodiments.
Embodiments of the present application also provide a computer program product, which includes a non-transitory computer-readable storage medium storing a computer program, and the computer program is operable to cause a computer to execute some or all of the steps of the interference rejection method of any electronic device as described in the above method embodiments.
It should be noted that, for simplicity of description, the above-mentioned method embodiments are described as a series of acts or combination of acts, but those skilled in the art will recognize that the present application is not limited by the order of acts described, as some steps may occur in other orders or concurrently depending on the application. Further, those skilled in the art should also appreciate that the embodiments described in the specification are preferred embodiments and that the acts and modules referred to are not necessarily required in this application.
In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus may be implemented in other manners. For example, the above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units is only one type of division of logical functions, and there may be other divisions when actually implementing, for example, a plurality of units or components may be combined or may be integrated into another system, or some features may be omitted, or not implemented. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection of some interfaces, devices or units, and may be an electric or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit may be implemented in the form of hardware, or may be implemented in the form of a software program module.
The integrated units, if implemented in the form of software program modules and sold or used as stand-alone products, may be stored in a computer readable memory. Based on such understanding, the technical solution of the present application may be substantially implemented or a part of or all or part of the technical solution contributing to the prior art may be embodied in the form of a software product stored in a memory, and including several instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method described in the embodiments of the present application. And the aforementioned memory comprises: various media capable of storing program codes, such as a usb disk, a read-only memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic or optical disk, and the like.
Those skilled in the art will appreciate that all or part of the steps in the methods of the above embodiments may be implemented by associated hardware instructed by a program, which may be stored in a computer-readable memory, which may include: flash disk, ROM, RAM, magnetic or optical disk, and the like.
The foregoing detailed description of the embodiments of the present application has been presented to illustrate the principles and implementations of the present application, and the above description of the embodiments is only provided to help understand the method and the core concept of the present application; meanwhile, for a person 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 (8)

1. An anti-jamming method for an electronic device, comprising:
acquiring an ambient light parameter;
determining shooting parameters corresponding to the ambient light parameters;
determining a plurality of photographing modes corresponding to the photographing parameters;
selecting one photographing mode from the plurality of photographing modes as a target photographing mode;
determining a first MCLK frequency corresponding to the target photographing mode according to a mapping relation between a preset photographing mode and the MCLK frequency; wherein, different shooting modes correspond to different MCLK frequencies;
when a camera of the electronic equipment works at the first MCLK frequency, acquiring a radio frequency band of a registration channel;
when an intersection exists between the radio frequency band and a first preset interference scrambling point set corresponding to the first MCLK frequency, switching the first MCLK frequency to a second MCLK frequency, wherein the intersection does not exist between a second preset interference scrambling point set corresponding to the second MCLK frequency and the radio frequency band;
maintaining the first MCLK frequency when there is no intersection between the radio frequency band and the first set of predetermined interference frequency points.
2. The method of claim 1, wherein the obtaining the radio frequency band of the registration channel comprises:
when the electronic equipment starts a designated function, acquiring the radio frequency of a registration channel corresponding to the designated function, wherein the designated function is one of the following functions: GSM, WIFI, GPS and LTE.
3. The method according to any one of claims 1 to 2, wherein N MCLK frequencies are pre-stored in the electronic device, wherein N is a positive integer greater than 1;
the switching the first MCLK frequency to a second MCLK frequency includes:
determining an interfering radio frequency channel, wherein the radio frequency band comprises the interfering radio frequency channel;
screening MCLK frequencies with interference degrees smaller than a preset interference threshold value from the N MCLK frequencies according to the interference radio frequency channel to obtain M MCLK frequencies, wherein M is a positive integer smaller than or equal to N;
one of the M MCLK frequencies is used as the second MCLK frequency, and the first MCLK frequency is switched to the second MCLK frequency.
4. The method according to any one of claims 1 to 2, further comprising:
acquiring a first working power corresponding to the first MCLK frequency;
acquiring a second working power corresponding to the radio frequency band;
and when the first working power is greater than a first preset threshold and the second working power is greater than a second preset threshold, executing the step of switching the first MCLK frequency to the second MCLK frequency.
5. An interference rejection device, comprising:
the device comprises a determining unit, a processing unit and a processing unit, wherein the determining unit is used for acquiring an environment light parameter, determining a shooting parameter corresponding to the environment light parameter, determining a plurality of shooting modes corresponding to the shooting parameter, and selecting one shooting mode from the plurality of shooting modes as a target shooting mode;
the determining unit is further configured to determine a first MCLK frequency corresponding to the target photographing mode according to a mapping relationship between a preset photographing mode and MCLK frequencies, and different photographing modes correspond to different MCLK frequencies;
the first acquisition unit is used for acquiring the radio frequency band of the registration channel when a camera of the electronic equipment works at a first MCLK frequency;
the switching unit is used for switching the first MCLK frequency to a second MCLK frequency when an intersection exists between the radio frequency band and a first preset interference point set corresponding to the first MCLK frequency, and an intersection does not exist between a second preset interference point set corresponding to the second MCLK frequency and the radio frequency band;
a holding unit, configured to hold the first MCLK frequency when there is no intersection between the radio frequency band and the first preset interference frequency point set.
6. The anti-jamming device according to claim 5, wherein the first obtaining unit is specifically configured to:
when the electronic equipment starts a designated function, acquiring the radio frequency of a registration channel corresponding to the designated function, wherein the designated function is one of the following functions: GSM, WIFI, GPS and LTE.
7. An electronic device, comprising: an application processor AP and a memory; and one or more programs stored in the memory and configured to be executed by the AP, the programs comprising instructions for the method of any of claims 1-4.
8. A computer-readable storage medium for storing a computer program, wherein the computer program causes a computer to perform the method according to any one of claims 1-4.
CN201711346931.7A 2017-12-15 2017-12-15 Anti-interference method of electronic equipment and related product Expired - Fee Related CN108093134B (en)

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