CN106936515A - Radio frequency interference processing method, storage medium and terminal - Google Patents
Radio frequency interference processing method, storage medium and terminal Download PDFInfo
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- CN106936515A CN106936515A CN201710322559.XA CN201710322559A CN106936515A CN 106936515 A CN106936515 A CN 106936515A CN 201710322559 A CN201710322559 A CN 201710322559A CN 106936515 A CN106936515 A CN 106936515A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B15/00—Suppression or limitation of noise or interference
- H04B15/02—Reducing interference from electric apparatus by means located at or near the interfering apparatus
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Abstract
The invention discloses a kind of Radio frequency interference processing method, storage medium and terminal.The Radio frequency interference processing method includes：Radio-frequency information during terminal communication is obtained, wherein the radio-frequency information includes present channel and present channel signal intensity；When the interference channel of mobile Industry Processor Interface MIPI basic frequencies in judging the present channel for interference channel information record sheet, determine whether the difference of present channel signal intensity annoyance level corresponding with the interference channel whether less than threshold value；When the difference of present channel signal intensity annoyance level corresponding with the interference channel is less than threshold value, the working frequency of MIPI is adjusted to MIPI reserve frequencies.The working frequency of MIPI is switched to MIPI reserve frequencies by the embodiment of the present invention when MIPI basic frequencies are interfered to radiofrequency signal, to reduce interference of the MIPI frequencies to radiofrequency signal, improves speech quality.
Description
Technical field
The present invention relates to communication technical field, more particularly to electromagnetic interference field, and in particular to a kind of Radio frequency interference treatment
Method, storage medium and terminal.
Background technology
MIPI (mobile Industry Processor Interface, Mobile Industry Processor Interface) is MIPI connection
What alliance initiated is the open standard and a specification of the formulation of Mobile solution processor, the interface inside mobile terminal, is such as shown
Screen, camera, radio frequency interface etc. are standardized.By taking mobile phone as an example, at present majority mobile phone display screens, image the first-class interface that uses and be
MIPI interfaces, MIPI interfaces can support the message transmission rate of hundreds of MHz (megahertz), such as by taking display screen as an example, display
The MIPI interfaces of screen are connected to AP by FPC (flexible PCB, Flexible Printed Circuit), and (accessing wirelessly is accessed
Point, Wireless Access Point), generally the MIPI interface connections in FPC and display screen have the frequency dividing and again of MIPI
Again and again spectrum is leaked, and forms a series of single tone jammings, so as to be interfered to radio communication, influences the positive normal open of mobile terminal
Letter, reduces speech quality.Therefore, need to further improve.
The content of the invention
The embodiment of the present invention provides a kind of Radio frequency interference processing method, storage medium and terminal, can reduce MIPI frequencies
Interference to radiofrequency signal.
The embodiment of the present invention provides a kind of Radio frequency interference processing method, and methods described includes：
Radio-frequency information during terminal communication is obtained, wherein the radio-frequency information includes frequency range, standard, present channel and works as
Preceding channel signal strength；
Judge whether the present channel is mobile Industry Processor Interface MIPI dominant frequency in interference channel information record sheet
The interference channel of rate；
If so, then judge present channel signal intensity annoyance level corresponding with the interference channel difference whether
Less than threshold value；
When the difference of present channel signal intensity annoyance level corresponding with the interference channel is less than threshold value, will
The working frequency of MIPI is adjusted to MIPI reserve frequencies.
The embodiment of the present invention also provides a kind of storage medium, and it stores the computer journey for carrying out Radio frequency interference treatment
Sequence, the computer program causes that computer performs method as described above.
The embodiment of the present invention also provides a kind of terminal, including display screen, MIPI interfaces, radio circuit, mainboard, memory,
And processor, the display screen is connected by the MIPI interfaces with the mainboard, and the radio circuit is used to obtaining terminal and leads to
Radio-frequency information during letter, wherein the radio-frequency information includes frequency range, standard, present channel and present channel signal intensity；It is described
Processor calls the computer program stored in the memory, for judging that the present channel is interference channel information note
In record table during the interference channel of MIPI basic frequencies, present channel signal intensity interference corresponding with the interference channel is judged
Whether the difference of degree is less than threshold value；When the difference of present channel signal intensity annoyance level corresponding with the interference channel
When value is less than threshold value, the working frequency of MIPI is adjusted to MIPI reserve frequencies by the processor.
The embodiment of the present invention is by obtaining radio-frequency information during terminal communication, wherein the radio-frequency information includes current letter
Road and present channel signal intensity, MIPI basic frequencies is dry in judging the present channel for interference channel information record sheet
When disturbing channel, whether present channel signal intensity difference corresponding with the annoyance level of the interference channel is determined whether
Less than threshold value, when the difference of present channel signal intensity annoyance level corresponding with the interference channel is less than threshold value,
The working frequency of MIPI is adjusted to MIPI reserve frequencies.The embodiment of the present invention is interfered in MIPI basic frequencies to radiofrequency signal
When, the working frequency of MIPI is switched to MIPI reserve frequencies, to reduce interference of the MIPI frequencies to radiofrequency signal, improve call
Quality.
Brief description of the drawings
Below in conjunction with the accompanying drawings, described in detail by specific embodiment of the invention, technical scheme will be made
And other beneficial effects are apparent.
Fig. 1 is a kind of schematic flow sheet of Radio frequency interference processing method provided in an embodiment of the present invention.
Fig. 2 is a kind of application scenarios schematic diagram of Radio frequency interference processing method provided in an embodiment of the present invention.
Fig. 3 is a kind of another schematic flow sheet of Radio frequency interference processing method provided in an embodiment of the present invention.
Fig. 4 is a kind of structural representation of Radio frequency interference processing unit provided in an embodiment of the present invention.
Fig. 5 is a kind of structural representation of terminal provided in an embodiment of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described.It is understood that specific embodiment described herein is only used for explaining the present invention, rather than to limit of the invention
It is fixed.It also should be noted that, for the ease of description, illustrate only part related to the present invention in accompanying drawing and not all knot
Structure.Based on the embodiment in the present invention, what those of ordinary skill in the art were obtained under the premise of creative work is not made
Every other embodiment, belongs to the scope of protection of the invention.
Term " first ", " second " and " the 3rd " in the present invention etc. is for distinguishing different objects, rather than for retouching
State particular order.Additionally, term " comprising " and " having " and their any deformations, it is intended that covering is non-exclusive to be included.
For example contain series of steps or module process, method, system, product or equipment be not limited to the step of having listed or
Module, but alternatively also include the step of not listing or module, or alternatively also include for these processes, method, product
Product or equipment intrinsic other steps or module.
Referenced herein " embodiment " is it is meant that the special characteristic, structure or the characteristic that describe can be wrapped in conjunction with the embodiments
Containing at least one embodiment of the present invention.Each position in the description occur the phrase might not each mean it is identical
Embodiment, nor the independent or alternative embodiment with other embodiments mutual exclusion.Those skilled in the art explicitly and
Implicitly understand, embodiment described herein can be combined with other embodiments.
A kind of executive agent of Radio frequency interference processing method provided in an embodiment of the present invention, can carry for the embodiment of the present invention
A kind of Radio frequency interference processing unit for supplying, or it is integrated with terminal (for example notebook, the palm of the Radio frequency interference processing unit
Computer, panel computer, smart mobile phone, vehicle intelligent equipment etc.), the Radio frequency interference processing unit can use hardware or soft
The mode of part is realized.
Fig. 1 to Fig. 2 is referred to, Fig. 1 is that a kind of flow of Radio frequency interference processing method provided in an embodiment of the present invention is illustrated
Figure, Fig. 2 is a kind of application scenarios schematic diagram of Radio frequency interference processing method provided in an embodiment of the present invention.Methods described includes：
Step S101, obtains the radio-frequency information of terminal, wherein the radio-frequency information includes that present channel and present channel are believed
Number intensity.
It is understood that the radio-frequency information can also include the corresponding frequency range of the present channel and standard.
It is understood that the terminal can be by by the wired, wireless of frame or packet transmission data or based on defending
The communication system of star is run.The control interface that the communication system is used can include UMTS
(Universal Mobile Telecommunications System, UMTS), CDMA (Code Division
Multiple Access, CDMA), frequency division multiple access (Frequency Division Multiple Access, FDMA), the whole world
GSM (Global System for Mobile Communication, GSM), digital nest honeybee system (Digital
Cellular System, DCS) etc..
By taking gsm communication system as an example, the gsm communication system can include multiple mobile terminals, multiple base stations, base station control
Device processed and mobile switching centre.Each base station can service multiple regions, and each base station is provided with multiple multidirectional antennas or refers to
To the antenna in characteristic direction, the signal launched on antenna can be with the corresponding coverage of coverage base station, and each coverage can be with
Covered by one or more than one antenna.Each base station can support that multiple frequencies are distributed, and wherein each frequency distribution has spy
Fixed frequency range.
Base station receives the signal of communication sent from mobile terminal, and the communication signal transmissions that base station will receive to base station are controlled
Device processed, then communication signal transmissions to mobile switching centre are carried out into signal exchange by base station controller, it is current mobile whole to realize
Communication connection between end subscriber and other network users.
As shown in Fig. 2 when terminal A and terminal B sets up communication connection, terminal A can receive terminal B by base station a
Content of Communication, terminal A can also receive the Content of Communication of terminal B by base station c.Base station a or base station c are defeated by terminal A
The signal of communication for entering is sent to base station controller 1, and base station controller 1 is again by the communication signal transmissions of terminal A to mobile switch
The signal of communication of terminal A is passed through the control base station b of base station controller 2 by the communication signal transmissions of terminal A by the heart, mobile switching centre
To terminal B；Conversely, the signal that mobile switching centre exchanges terminal B is transmitted by the control base station a of base station controller 1 or base station c
To terminal A.Such as terminal a is received in the communication of the terminal B that base station a is transmitted by standard GSM, frequency range B8, channel 37
Hold, the signal intensity for receiving is -90dBm.
It is understood that conversed in terminal, received and sent messages etc. communication behavior when, and when the display screen of terminal is in
In bright screen or camera just operationally, wireless access accessing points AP to modem inquiry present terminal residing for system
Formula, frequency range, present channel and present channel signal intensity.For example when current talking standard is GSM, obtain currently used frequency range
It is B8, currently used channel is CH37, and the signal intensity of present channel is -90dBm.
Step S102, judge the present channel whether be MIPI basic frequencies in interference channel information record sheet interference letter
Road；If so, then performing step S103；If it is not, then performing step S105.
It is understood that when the present channel is the interference channel of MIPI basic frequencies in interference channel information record sheet
When, illustrate that the frequency energy of current MIPI basic frequencies falls on the channel used in the current frequency range of terminal, current MIPI dominant frequency
Rate may produce influence to radiofrequency signal, then perform step S103.When the present channel is not interference channel information record
In table during the interference channel of MIPI basic frequencies, illustrate that the frequency energy of current MIPI basic frequencies does not fall within the current frequency range of terminal and made
On channel, current MIPI basic frequencies will not produce influence to radiofrequency signal, then perform step S105.
Step S103, judging the difference of present channel signal intensity annoyance level corresponding with the interference channel is
It is no less than threshold value；If so, then performing step S104；If it is not, then performing step S105.
It is understood that the threshold value can carry out setting value according to experimental data, such as described threshold value is 12dB.
When the difference of present channel signal intensity annoyance level corresponding with the interference channel is less than threshold value, present channel signal is illustrated
Intensity is influenceed by MIPI basic frequencies, then perform step S104；Present channel signal intensity is corresponding with the interference channel
When the difference of annoyance level reaches threshold value, illustrate that present channel signal intensity will not be influenceed by MIPI basic frequencies, then perform
Step S105.
Step S104, MIPI reserve frequencies are adjusted to by the working frequency of MIPI.
The current frequency range for such as getting is B8, and present channel is CH95, present channel signal intensity -98dBm, terminal
MIPI basic frequencies are 424MHz, and the interference channel that contrast interference channel information record sheet obtains 424MHz is CH95, annoyance level
It is -109dBm, the difference 11dB of present channel signal intensity -98dBm annoyance level -109dBms corresponding with the interference channel
Less than threshold value 12dB, then the working frequency of MIPI is adjusted to MIPI reserve frequencies, such as is adjusted to 427MHz.
Step S105, MIPI basic frequencies are adjusted to by the working frequency of MIPI.
The current frequency range for such as getting is B8, and present channel is CH95, and present channel signal intensity is -92dBm, terminal
MIPI basic frequencies be 424MHz, contrast interference channel information record sheet obtains the interference channel of 424MHz for CH95, disturbs journey
It is -109dBm to spend, the difference of present channel signal intensity -92dBm annoyance level -109dBms corresponding with the interference channel
17dB is more than threshold value 12dB, then the working frequency of MIPI is adjusted into current MIPI basic frequencies 424MHz.
For another example, the current frequency range for getting is B8, and present channel is CH95, and present channel signal intensity is -92dBm, eventually
The MIPI basic frequencies at end are 423MHz, contrast interference channel information record sheet obtain the interference channel of 423MHz for CH980 with
CH84, therefore, it is determined that the present channel CH95 is not that MIPI basic frequencies are the interference of 423MHz in interference channel information record sheet
Channel, then make the working frequency of MIPI be maintained the MIPI basic frequencies 423MHz of terminal.
In some implementation methods, before the radio-frequency information of the acquisition terminal, also include：
The interference channel information record sheet on terminal MIPI disturbed conditions is set up, wherein the interference channel information is recorded
Table includes MIPI basic frequencies and the corresponding interference channel of the MIPI basic frequencies and annoyance level；
According to the interference channel information record sheet, the MIPI reserve frequency corresponding with the MIPI basic frequencies is set,
The channel of wherein described MIPI reserve frequencies is not overlap with the interference channel of the MIPI basic frequencies.
In some implementation methods, the radio-frequency information during acquisition terminal communication, including：
Within a preset time interval, radio-frequency information during terminal communication is obtained by multiple repairing weld, to determine the radio frequency
The minimum value of present channel signal intensity in information.
It is described to judge RF signal strength annoyance level corresponding with the interference channel in some implementation methods
Whether difference is less than threshold value, including：
Judge whether the difference of the minimum value annoyance level corresponding with the interference channel of present channel signal intensity is small
In threshold value.
In some implementation methods, when the difference of present channel signal intensity annoyance level corresponding with the interference channel
When value reaches threshold value, the working frequency of MIPI is adjusted to MIPI basic frequencies.
Above-mentioned all optional technical schemes, can form alternative embodiment of the invention, herein no longer using any combination
Repeat one by one.
Fig. 3 is referred to, Fig. 3 is that a kind of another flow of Radio frequency interference processing method provided in an embodiment of the present invention is illustrated
Figure.Methods described includes：
Step S201, sets up the interference channel information record sheet on terminal MIPI disturbed conditions, wherein the interference letter
Road information record table includes MIPI basic frequencies and the corresponding interference channel of the MIPI basic frequencies and annoyance level.
It is understood that the interference channel information record sheet can also include the corresponding frequency range of the interference channel and
Standard.
It is understood that by taking display screen as an example, the MIPI interfaces of terminal display screen are connected to accessing wirelessly and connect by FPC
Access point AP, the frequency dividing and frequency multiplication frequency spectrum for generally having MIPI with the MIPI interface connections of display screen in flexible PCB FPC is let out
Expose, now antenna may receive the frequency spectrum that the MIPI interfaces overflow when radiofrequency signal is received, so as to cause have
Use radiofrequency signal signal-to-noise ratio degradation.Therefore, it can during terminal development, the display screen MIPI disturbed conditions for terminal enter
Row DCO, preferentially can eliminate display screen interference or frame mode shields cut-off display screen and does using hardware and frame mode
Disturb；Optimizing hardware and after structure, multiple different MIPI frequencies are set within MIPI frequency-tuning ranges used as MIPI
Basic frequency is tested, and disturbed test, final display screen MIPI are carried out by the frequency dividing and frequency multiplication that adjust different MIPI basic frequencies
Disturbed condition is recorded according to features such as MIPI basic frequencies, frequency range, standard, interference channel and annoyance levels, with set up on
The interference channel information record sheet of terminal display screen MIPI disturbed conditions, and by interference channel information record sheet storage to eventually
In end.Wherein, the annoyance level is the limiting snesibility after MIPI interfaces are disturbed radiofrequency signal.The MIPI frequencies are
The relating to parameters of the clock rate of MIPI, the MIPI frequency-tuning ranges and display screen, the MIPI frequencies can be by such as
Under type is calculated：
MIPI clock frequencies (CLKN, CLKP) are equal to (screen resolution width+hsync+hfp+hbp wide) x (screens point
Resolution height+ frame synchronizing signal vsync+vfp+vbp high) x (RGB display datas width) x frame per second/(number of active lanes lane_
num)/2；Wherein, hsync is line synchronising signal, and hfp is the crop of line synchronising signal, and hbp is the back porch of line synchronising signal,
Vsync is frame synchronizing signal, and vfp is the crop of frame synchronizing signal, and vbp is the back porch of frame synchronizing signal.
For example, the interference channel information record sheet of the MIPI disturbed conditions on terminal display screen is set up, as shown in table 1：
Table 1：
For example, frequency range is the upper behavior 880MHz~915MHz, lower behavior 925MHz~960MHz of B8；Mobile occupied bandwidth
Upper behavior 890MHz~909MHz, lower behavior 935MHz~954MHz, respective channels are CH1-CH95；UNICOM's occupied bandwidth
Upper behavior 909MHz~915MHz, lower behavior 954MHz~960MHz, respective channels are CH95-CH124.
For example, when MIPI basic frequencies are 424MHz, 25 frequency multiplication interference calculations of one of 12 frequency dividings of MIPI basic frequencies are such as
Under：424/12*25=883.33, GSM900 channel CH991 centre frequencies are 883.4MHz, 1/12nd frequency dividing of 424MHz
25 frequencys multiplication interfere with CH991；27 frequency multiplication interference calculations of one of 12 frequency dividings of MIPI basic frequencies are as follows：424/12*
27=954, GSM900 channel CH95 centre frequencies are 954MHz, and 27 frequencys multiplication of 1/12nd frequency dividing of 424MHZ are interfered with
To CH95.When MIPI frequencies are 427MHz, 25 frequency multiplication interference calculations of one of 12 frequency dividings of MIPI basic frequencies are as follows：427/
12*25=889.58, GSM900 channel CH1022 centre frequencies are 889.6MHz, 25 times of 1/12nd frequency dividing of 427MHz
Frequency interferes with CH1022；26 frequency multiplication interference calculations of one of 12 frequency dividings of MIPI basic frequencies are as follows：427/12*26=
925.16, GSM900 channel CH975 centre frequencies are 925.2MHz, and 26 frequencys multiplication of 1/12nd frequency dividing of 427MHz will be done
Disturb CH975.Therefore when MIPI frequencies are 424MHz, there is interference to CH991 and CH95, but CH1022 and CH975 are not done
Disturb；Otherwise MIPI frequencies have interference to CH1022 and CH975 when being 427MHz, but CH991 and CH95 are not interfered with.
In some implementation methods, the camera of terminal can also use MIPI interfaces, then can also set up on terminal shooting
The interference channel information record sheet of the MIPI disturbed conditions of head, wherein the interference channel information record sheet includes MIPI dominant frequency
Rate and the corresponding interference channel of the MIPI basic frequencies and annoyance level.Above-mentioned interference source (for example display screen, camera)
Citing it is not as a limitation of the invention, any use MIPI interfaces and to radio frequency produce interference interference source, can be used as quilt
Eliminate the object of interference.
Step S202, according to the interference channel information record sheet, sets the MIPI corresponding with the MIPI basic frequencies
Reserve frequency, wherein the channel of the MIPI reserve frequencies is not overlap with the interference channel of the MIPI basic frequencies.
It is understood that the interference of the MIPI basic frequencies can be avoided according to the interference channel information record sheet
Channel, is MIPI reserve frequencies by the MIPI set of frequency corresponding to other channels in the absence of interference.
Such as, by the interference channel information record sheet it was determined that when MIPI basic frequencies be 424MHz when, it is right
CH991 and CH95 have interference, but CH1022 and CH975 are not interfered with；When MIPI basic frequencies are 427MHz, to CH1022 and
CH975 has interference, but CH991 and CH95 are not interfered with；It is 427MHz's that then 424MHz can be set into MIPI basic frequencies
The MIPI reserve frequencies of MIPI interfaces；427MHz can also be set to the MIPI of the MIPI interfaces that MIPI basic frequencies are 424MHz
Reserve frequency.
Step S203, within a preset time interval, radio-frequency information during terminal communication is obtained by multiple repairing weld, to determine
The minimum value of present channel signal intensity in the radio-frequency information.Wherein described radio-frequency information includes present channel and current letter
Road signal intensity.
It is understood that the radio-frequency information can also include the corresponding frequency range of the present channel and standard.
It is understood that made a phone call in terminal, the communication activity such as photos and sending messages when, and when the display screen of terminal is in
In bright screen or camera just operationally, wireless access accessing points AP to modem inquiry present terminal residing for system
Formula, frequency range, present channel and present channel signal intensity.For example when current talking standard is GSM, obtain currently used frequency range
It is B8, currently used channel is CH37, and the signal intensity of present channel is -90dBm.It should be understood that due to wireless channel ring
Border is more complicated, such as user's carried terminal on the road of high speed benz, the situation such as pass through tunnel, it is understood that there may be signal is strong
Spend the situation of saltus step, it is also possible within a preset time interval, the radio-frequency information of terminal is obtained by multiple repairing weld, finally determine institute
State the minimum value of present channel signal intensity in radio-frequency information.Such as described prefixed time interval is 30 seconds, and 6 were carried out in 30 seconds
Secondary sampling, such as the minimum value that present channel signal intensity is determined from 6 sampled values is -94dBm.
Step S204, judge the present channel whether be MIPI basic frequencies in interference channel information record sheet interference letter
Road；If so, then performing step S205；If it is not, then performing step S207.
It is understood that when the present channel is the interference channel of MIPI basic frequencies in interference channel information record sheet
When, illustrate that the frequency energy of current MIPI basic frequencies falls on the channel used in the current frequency range of terminal, current MIPI dominant frequency
Rate may produce influence to radiofrequency signal, then perform step S205.When the present channel is not interference channel information record
In table during the interference channel of MIPI basic frequencies, illustrate that the frequency energy of current MIPI basic frequencies does not fall within the current frequency range of terminal and made
On channel, current MIPI basic frequencies will not produce influence to radiofrequency signal, then perform step S207.
Step S205, judges the difference of the minimum value annoyance level corresponding with the interference channel of present channel signal intensity
Whether value is less than threshold value；If so, then performing step S206；If it is not, then performing step S207.
It is understood that the threshold value can carry out setting value according to experimental data, such as described threshold value is 12dB.
When the difference of the minimum value of present channel signal intensity annoyance level corresponding with the interference channel is less than threshold value, illustrate current
Channel signal strength is influenceed by MIPI basic frequencies, then perform step S206；The minimum value of present channel signal intensity and institute
When the difference for stating the annoyance level of interference channel reaches threshold value, illustrate that present channel signal intensity will not be subject to MIPI basic frequencies
Influence, then perform step S207.
Step S206, MIPI reserve frequencies are adjusted to by the working frequency of MIPI.
The current frequency range for such as getting is B8, and present channel is CH95, the minimum value of present channel signal intensity for-
98dBm, the MIPI basic frequencies of terminal are 424MHz, and the interference channel that contrast interference channel information record sheet obtains 424MHz is
CH95, annoyance level is -109dBm, the interference journey of the minimum value -98dBm of present channel signal intensity and the interference channel
The difference 11dB for spending -109dBm is less than threshold value 12dB, then the working frequency of MIPI is adjusted into MIPI reserve frequencies, such as adjust
It is 427MHz.
Step S207, MIPI basic frequencies are adjusted to by the working frequency of MIPI.
The current frequency range for such as getting is B8, and present channel is CH95, the minimum value of present channel signal intensity for-
92dBm, the MIPI basic frequencies of terminal are 424MHz, and the interference channel that contrast interference channel information record sheet obtains 424MHz is
CH95, annoyance level is -109dBm, the minimum value -92dBm of present channel signal intensity interference corresponding with the interference channel
The difference 17dB of degree -109dBm is more than threshold value 12dB, then the working frequency of MIPI is adjusted into current MIPI basic frequencies
424MHz。
For another example, the current frequency range for getting is B8, and present channel is CH95, the minimum value of present channel signal intensity for-
92dBm, the MIPI basic frequencies of terminal are 423MHz, and the interference channel that contrast interference channel information record sheet obtains 423MHz is
CH980 and CH84, therefore, it is determined that the present channel CH95 is not that MIPI basic frequencies are in interference channel information record sheet
The interference channel of 423MHz, then make the working frequency of MIPI be maintained the MIPI basic frequencies 423MHz of terminal.
The embodiment of the present invention is by obtaining radio-frequency information during terminal communication, wherein the radio-frequency information includes current letter
Road and present channel signal intensity, MIPI basic frequencies is dry in judging the present channel for interference channel information record sheet
When disturbing channel, determine whether present channel signal intensity annoyance level corresponding with the interference channel difference whether
Less than threshold value, when the difference of present channel signal intensity annoyance level corresponding with the interference channel is less than threshold value,
The working frequency of MIPI is adjusted to MIPI reserve frequencies.The embodiment of the present invention is interfered in MIPI basic frequencies to radiofrequency signal
When, the working frequency of MIPI is switched to MIPI reserve frequencies, to reduce interference of the display screen MIPI frequencies to radiofrequency signal, carry
Speech quality high.
The embodiment of the present invention also provides a kind of Radio frequency interference processing unit, as shown in figure 4, Fig. 4 is carried for the embodiment of the present invention
A kind of structural representation of the Radio frequency interference processing unit for supplying.The Radio frequency interference processing unit 30 includes setting up module 31, if
Put module 32, acquisition module 33, the first judge module 34, the second judge module 35, and adjusting module 36.
Wherein, it is described to set up module 31, for setting up the interference channel information on terminal display screen MIPI disturbed conditions
Record sheet, wherein the interference channel information record sheet includes MIPI basic frequencies and the corresponding interference of the MIPI basic frequencies
Channel and annoyance level.
It is understood that the interference channel information record sheet can also include the corresponding frequency range of the interference channel and
Standard.
It is understood that by taking display screen as an example, the MIPI interfaces of terminal display screen are connected to accessing wirelessly and connect by FPC
Access point AP, the frequency dividing and frequency multiplication frequency spectrum for generally having MIPI with the MIPI interface connections of display screen in flexible PCB FPC is let out
Expose, now antenna may receive the frequency spectrum that the MIPI interfaces overflow when radiofrequency signal is received, so as to cause have
Use radiofrequency signal signal-to-noise ratio degradation.Therefore, it can during terminal development, the display screen MIPI disturbed conditions for terminal enter
Row DCO, preferentially can eliminate display screen interference or frame mode shields cut-off display screen and does using hardware and frame mode
Disturb；Optimizing hardware and after structure, multiple different MIPI frequencies are set within MIPI frequency-tuning ranges used as MIPI
Basic frequency is tested, and disturbed test, final display screen MIPI are carried out by the frequency dividing and frequency multiplication that adjust different MIPI basic frequencies
Disturbed condition is recorded according to features such as MIPI basic frequencies, frequency range, standard, interference channel, interference type and annoyance levels, with
The module 31 of setting up is set to set up the interference channel information record sheet on terminal display screen MIPI disturbed conditions, and will be described dry
Channel information record sheet is disturbed to store in terminal.Wherein, the annoyance level is the pole after MIPI interfaces are disturbed radiofrequency signal
Limit sensitivity.The MIPI frequencies are the relating to parameters of the clock rate of MIPI, the MIPI frequency-tuning ranges and display screen,
The MIPI frequencies can be calculated in the following way：
MIPI clock frequencies (CLKN, CLKP) are equal to (screen resolution width+hsync+hfp+hbp wide) x (screens point
Resolution height+ frame synchronizing signal vsync+vfp+vbp high) x (RGB display datas width) x frame per second/(number of active lanes lane_
num)/2；Wherein, hsync is line synchronising signal, and hfp is the crop of line synchronising signal, and hbp is the back porch of line synchronising signal,
Vsync is frame synchronizing signal, and vfp is the crop of frame synchronizing signal, and vbp is the back porch of frame synchronizing signal.
The setup module 32, for according to the interference channel information record sheet, setting and the MIPI basic frequencies phase
Corresponding MIPI reserve frequencies, wherein the channel of the MIPI reserve frequencies is not weighed with the interference channel of the MIPI basic frequencies
It is folded.
It is understood that the setup module 32 can avoid described according to the interference channel information record sheet
The interference channel of MIPI basic frequencies, is the standby frequencies of MIPI by the MIPI set of frequency corresponding to other channels in the absence of interference
Rate.
Such as, by the interference channel information record sheet it was determined that when MIPI basic frequencies be 424MHz when, it is right
CH991 and CH95 have interference, but CH1022 and CH975 are not interfered with；When MIPI basic frequencies are 427MHz to CH1022 and
CH975 has interference, but CH991 and CH95 are not interfered with；Then 424MHz can be set to MIPI master by the setup module 32
Frequency is the MIPI reserve frequencies of the MIPI interfaces of 427MHz；427MHz can also be set to MIPI master by the setup module 32
Frequency is the MIPI reserve frequencies of the MIPI interfaces of 424MHz.
The acquisition module 33, for obtaining radio-frequency information during terminal communication, wherein the radio-frequency information is included currently
Channel and present channel signal intensity.
Preferably, the acquisition module 33, is additionally operable within a preset time interval, terminal communication be obtained by multiple repairing weld
When radio-frequency information, to determine the minimum value of present channel signal intensity in the radio-frequency information.Wherein described radio-frequency information is also
Frequency range, standard, present channel and present channel signal intensity can be included.
It is understood that by taking display screen as an example, when the display screen of terminal is in bright screen, wireless access accessing points AP
To the standard residing for modem inquiry present terminal, frequency range, present channel and present channel signal intensity.For example it is current
When call standard is GSM, the acquisition module 33 obtains currently used frequency range for B8, and currently used channel is CH37, current letter
The signal intensity in road is -90dBm.It should be understood that because wireless channel environment is more complicated, such as user's carried terminal is in height
On the road of speed benz, the situation such as pass through tunnel, it is understood that there may be the situation of signal intensity saltus step, the acquisition module 33 also may be used
Within a preset time interval, radio-frequency information during terminal communication is obtained by multiple repairing weld, the radio-frequency information is finally determined
The minimum value of middle present channel signal intensity.Such as described prefixed time interval is 30 seconds, and 6 samplings were carried out in 30 seconds, than
The minimum value that present channel signal intensity is determined such as from 6 sampled values is -94dBm.
First judge module 34, for judging whether the present channel is MIPI in interference channel information record sheet
The interference channel of basic frequency.
It is understood that when first judge module 34 judges that the present channel is interference channel information record sheet
During the interference channel of middle MIPI basic frequencies, illustrate that the frequency energy of current MIPI basic frequencies falls what is used in the current frequency range of terminal
On channel, current MIPI basic frequencies may produce influence to radiofrequency signal.When first judge module 34 judges described
When present channel is not the interference channel of MIPI basic frequencies in interference channel information record sheet, the frequency of current MIPI basic frequencies is illustrated
Rate energy is not fallen within the channel that the current frequency range of terminal is used, and current MIPI basic frequencies will not produce shadow to radiofrequency signal
Ring.
Second judge module 35, for being MIPI basic frequencies in interference channel information record sheet when the present channel
Interference channel when, judge whether the difference of present channel signal intensity annoyance level corresponding with the interference channel small
In threshold value.
Preferably, second judge module 35, is additionally operable to judge that the minimum value of present channel signal intensity is dry with described
Whether the difference of the corresponding annoyance level of channel is disturbed less than threshold value.
It is understood that the threshold value can carry out setting value according to experimental data, such as described threshold value is 12dB.
When second judge module 35 judges the minimum value of preceding channel signal strength annoyance level corresponding with the interference channel
When difference is less than threshold value, illustrate that present channel signal intensity is influenceed by MIPI basic frequencies；When second judge module 35
When the difference of the minimum value annoyance level corresponding with the interference channel of channel signal strength reaches threshold value before judging, illustrate to work as
Preceding channel signal strength will not be influenceed by MIPI basic frequencies.
The adjusting module 36, for when present channel signal intensity annoyance level corresponding with the interference channel
Difference be less than threshold value when, the working frequency of MIPI is adjusted to MIPI reserve frequencies.
The current frequency range for such as getting is B8, and present channel is CH95, and present channel signal intensity is -98dBm, terminal
MIPI basic frequencies be 424MHz, contrast interference channel information record sheet obtains the interference channel of 424MHz for CH95, disturbs journey
It is -109dBm to spend, and present channel signal intensity -98dBm is small with the difference 11dB of the annoyance level -109dBm of the interference channel
In threshold value 12dB, then the working frequency of MIPI is adjusted to MIPI reserve frequencies, such as is adjusted to 427MHz.
The adjusting module 36, is additionally operable to when present channel signal intensity interference journey corresponding with the interference channel
When the difference of degree reaches threshold value, the working frequency of MIPI is adjusted to MIPI basic frequencies.
The current frequency range that such as described acquisition module 33 gets is B8, and present channel is CH95, and present channel signal is strong
It is -92dBm to spend, and the MIPI basic frequencies of terminal are 424MHz, and contrast interference channel information record sheet obtains the interference letter of 424MHz
Road is CH95, and annoyance level is -109dBm, second judge module 35 judge present channel signal intensity -92dBm with it is described
The difference 17dB of the annoyance level -109dBm of interference channel is more than threshold value 12dB, then the adjusting module 36 is by the work of MIPI
Frequency is adjusted to current MIPI basic frequencies 424MHz.
For another example, the current frequency range that the acquisition module 33 gets is B8, and present channel is CH95, and present channel signal is strong
It is -92dBm to spend, and the MIPI basic frequencies of terminal are 423MHz, and contrast interference channel information record sheet obtains the interference letter of 423MHz
Road is CH980 and CH84, therefore first judge module 34 judges that the present channel CH95 is not interference channel information note
MIPI basic frequencies are the interference channel of 423MHz in record table, then the working frequency of MIPI is maintained terminal by the adjusting module
MIPI basic frequencies 423MHz.
The embodiment of the present invention also provides a kind of terminal, as shown in figure 5, Fig. 5 is a kind of terminal provided in an embodiment of the present invention
Structural representation.The terminal 400 can include radio frequency (RF, Radio Frequency) circuit 401, include one or one
The memory 402 of individual above computer-readable recording medium, input block 403, display screen 404, MIPI interfaces 405, audio-frequency electric
Road 406, Wireless Fidelity (WiFi, Wireless Fidelity) module 407, include one or more than one processing core
Processor 408 and the part such as power supply 409.It will be understood by those skilled in the art that the terminal structure shown in Fig. 5 is not
The restriction of structure paired terminal, can include part more more or less than diagram, or combine some parts, or different portions
Part is arranged.
Radio circuit 401 can be used to receive and send messages, or in communication process signal of communication reception and transmission.
In embodiments of the present invention, radio circuit 401 is used to obtain radio-frequency information when terminal 400 communicates, wherein described
Radio-frequency information includes present channel and present channel signal intensity.
Memory 402 can be used to store application program and data.Include calculating in the application program of the storage of memory 402
Machine program.
Input block 403 can be used to receive numeral, character information or the user's characteristic information (such as fingerprint) of input, and
Produce the keyboard relevant with user's setting and function control, mouse, action bars, optics or trace ball signal input.
Display screen 404 can be used for display by the information of user input or be supplied to the information of user and the various figures of terminal
Shape user interface, these graphical user interface can be made up of figure, text, icon, video and its any combination.
In embodiments of the present invention, the display screen 404 is mutual by MIPI interfaces 405 and circuit board in terminal 400
Connection, when 404 bright screen of display screen, terminal transmits data by MIPI interfaces 405 to display screen 404.
Voicefrequency circuit 406 can provide the COBBAIF between user and terminal by loudspeaker, microphone.
Wireless Fidelity (WiFi) module 407 can be used for short range wireless transmission, user can be helped to send and receive e-mail, clear
Look at and website and access streaming video etc., it has provided the user wireless broadband internet and has accessed.
Processor 408 is the control centre of terminal, and the various pieces of whole terminal are linked using various interfaces and circuit, is led to
Cross operation or perform application program of the storage in memory 402, and call data of the storage in memory 402, perform
The various functions and processing data of terminal, so as to carry out integral monitoring to terminal.
In embodiments of the present invention, processor 408 calls the computer program stored in memory 402, for judging
When the present channel is the interference channel of MIPI basic frequencies in interference channel information record sheet, the present channel signal is judged
Whether the difference of intensity annoyance level corresponding with the interference channel is less than threshold value；When the present channel signal intensity and institute
When the difference for stating the corresponding annoyance level of interference channel is less than threshold value, the work that the MIPI interfaces will be exported to the display screen
Frequency is adjusted to MIPI reserve frequencies.
In embodiments of the present invention, before the radio-frequency information that radio circuit 401 obtains terminal, processor 408 is additionally operable to：
The interference channel information record sheet on terminal display screen MIPI disturbed conditions is set up, wherein the interference channel is believed
Breath record sheet includes MIPI basic frequencies, frequency range, standard, interference channel and annoyance level；
According to the interference channel information record sheet, the MIPI reserve frequency corresponding with the MIPI basic frequencies is set,
The channel of wherein described MIPI reserve frequencies is not overlap with the channel of the MIPI basic frequencies.
Terminal 400 also includes the power supply 409 (such as battery) powered to all parts.
Although not shown in Fig. 5, terminal 400 can also will not be repeated here including camera, bluetooth module etc..
In the above-described embodiments, the description to each embodiment all emphasizes particularly on different fields, and does not have the portion described in detail in certain embodiment
Point, may refer to the associated description of other embodiment.
In the embodiment of the present invention, a kind of Radio frequency interference treatment side in the Radio frequency interference processing unit and foregoing embodiments
It is owned by France in same design, can be run in the Radio frequency interference processing unit carry in the Radio frequency interference processing method embodiment
The either method of confession, it implements process and refers to the Radio frequency interference processing method embodiment, and here is omitted.
It should be noted that for Radio frequency interference processing method of the present invention, this area common test personnel can be with
All or part of flow of Radio frequency interference processing method described in the embodiment of the present invention is realized in understanding, can be by computer program
Completed to control the hardware of correlation, the computer program can be stored in a computer read/write memory medium, such as stored
In the memory of terminal, and by least one computing device in the terminal, may include to penetrate as described in the process of implementation
The flow of the embodiment of frequency interference processing method.Wherein, described storage medium can for magnetic disc, CD, read-only storage (ROM,
Read Only Memory), random access memory (RAM, Random Access Memory) etc..
For the Radio frequency interference processing unit of the embodiment of the present invention, its each functional module can be integrated at one
Reason chip in, or modules be individually physically present, it is also possible to two or more modules are integrated in a module
In.Above-mentioned integrated module can both be realized in the form of hardware, it would however also be possible to employ the form of software function module is realized.Institute
If stating integrated module to realize in the form of software function module and as independent production marketing or when using, it is also possible to deposit
In a computer read/write memory medium, the storage medium is for example read-only storage, disk or CD etc. for storage.
A kind of Radio frequency interference processing method, storage medium and the terminal for being provided the embodiment of the present invention above have been carried out in detail
Thin to introduce, specific case used herein is set forth to principle of the invention and implementation method, and above example is said
It is bright to be only intended to help and understand technical scheme and its core concept；It will be understood by those within the art that：
It can still modify to the technical scheme described in foregoing embodiments, or which part technical characteristic is carried out etc.
With replacement；And these modifications or replacement, do not make the technical side of the essence disengaging various embodiments of the present invention of appropriate technical solution
The scope of case.
Claims (10)
1. a kind of Radio frequency interference processing method, it is characterised in that methods described includes：
Radio-frequency information during terminal communication is obtained, wherein the radio-frequency information includes present channel and present channel signal intensity；
Judge whether the present channel is mobile Industry Processor Interface MIPI basic frequencies in interference channel information record sheet
Interference channel；
If so, then judging whether the difference of present channel signal intensity annoyance level corresponding with the interference channel is less than
Threshold value；
When the difference of present channel signal intensity annoyance level corresponding with the interference channel is less than threshold value, by MIPI
Working frequency be adjusted to MIPI reserve frequencies.
2. Radio frequency interference processing method according to claim 1, it is characterised in that penetrating in the acquisition terminal communication
Before frequency information, also include：
The interference channel information record sheet on terminal MIPI disturbed conditions is set up, wherein the interference channel information record sheet bag
Include MIPI basic frequencies and the corresponding interference channel of the MIPI basic frequencies and annoyance level；
According to the interference channel information record sheet, the MIPI reserve frequency corresponding with the MIPI basic frequencies is set, wherein
The channel of the MIPI reserve frequencies is not overlap with the interference channel of the MIPI basic frequencies.
3. Radio frequency interference processing method according to claim 1, it is characterised in that the radio frequency during acquisition terminal communication
Information, including：
Within a preset time interval, radio-frequency information during terminal communication is obtained by multiple repairing weld, to determine the radio-frequency information
The minimum value of middle present channel signal intensity.
4. Radio frequency interference processing method according to claim 3, it is characterised in that the judgement RF signal strength
Whether the difference of annoyance level corresponding with the interference channel is less than threshold value, including：
Judge the difference of minimum value annoyance level corresponding with the interference channel of present channel signal intensity whether less than threshold
Value.
5. Radio frequency interference processing method according to claim 4, it is characterised in that described when the present channel signal is strong
When the difference of degree annoyance level corresponding with the interference channel is less than threshold value, the working frequency of MIPI is adjusted to MIPI standby
Frequency, including：
When the difference of the minimum value of present channel signal intensity annoyance level corresponding with the interference channel is less than threshold value
When, the working frequency of MIPI is adjusted to MIPI reserve frequencies.
6. Radio frequency interference processing method according to claim 2, it is characterised in that the foundation is disturbed on terminal MIPI
The interference channel information record sheet of situation, including：
The interference channel information record sheet of the MIPI disturbed conditions on terminal display screen is set up, wherein the interference channel information
Record sheet includes the MIPI basic frequencies and the corresponding interference channel of the MIPI basic frequencies of display screen MIPI interfaces and interference journey
Degree.
7. the Radio frequency interference processing method according to claim any one of 1-6, it is characterised in that methods described also includes：
When the difference of present channel signal intensity annoyance level corresponding with the interference channel reaches threshold value, by MIPI
Working frequency be adjusted to MIPI basic frequencies.
8. a kind of storage medium, it is characterised in that it stores the computer program for carrying out Radio frequency interference treatment, the calculating
Machine program causes that computer performs the method as described in claim any one of 1-7.
9. a kind of terminal, including display screen, MIPI interfaces, radio circuit, memory, and processor, it is characterised in that described to penetrate
Frequency circuit is used to obtain radio-frequency information during terminal communication, wherein the radio-frequency information includes that present channel and present channel are believed
Number intensity；The processor calls the computer program stored in the memory, for judging the present channel as dry
When disturbing the interference channel of MIPI basic frequencies in channel information record sheet, judge the present channel signal intensity with the interference letter
Whether the difference of the corresponding annoyance level in road is less than threshold value；When the present channel signal intensity is corresponding with the interference channel
When the difference of annoyance level is less than threshold value, it is standby that the working frequency exported to the display screen is adjusted to MIPI by the MIPI interfaces
Use frequency.
10. terminal according to claim 9, it is characterised in that the radio circuit obtain terminal radio-frequency information it
Before, the processor is additionally operable to：
The interference channel information record sheet on terminal display screen MIPI disturbed conditions is set up, wherein the interference channel information is remembered
Record table includes MIPI basic frequencies and the corresponding interference channel of the MIPI basic frequencies and annoyance level；
According to the interference channel information record sheet, the MIPI reserve frequency corresponding with the MIPI basic frequencies is set, wherein
The channel of the MIPI reserve frequencies is not overlap with the interference channel of the MIPI basic frequencies.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710322559.XA CN106936515A (en) | 2017-05-09 | 2017-05-09 | Radio frequency interference processing method, storage medium and terminal |
| PCT/CN2018/084270 WO2018205829A1 (en) | 2017-05-09 | 2018-04-24 | Radio frequency interference processing method and apparatus, storage medium, and electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710322559.XA CN106936515A (en) | 2017-05-09 | 2017-05-09 | Radio frequency interference processing method, storage medium and terminal |
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