CN109861712A - A kind of method, terminal and computer storage medium reducing electromagnetic absorption ratio SAR - Google Patents
A kind of method, terminal and computer storage medium reducing electromagnetic absorption ratio SAR Download PDFInfo
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- CN109861712A CN109861712A CN201910150117.0A CN201910150117A CN109861712A CN 109861712 A CN109861712 A CN 109861712A CN 201910150117 A CN201910150117 A CN 201910150117A CN 109861712 A CN109861712 A CN 109861712A
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Abstract
The embodiment of the present application discloses a kind of method for reducing SAR, this method comprises: obtaining the working frequency range of terminal, when the working frequency range of terminal is 5GNR frequency range and default frequency range, it generates control instruction and the upper limit value of the transmission power of the corresponding 5G antenna of 5GNR frequency range is reduced to by the first preset threshold according to control instruction, and/or, according to control instruction, the upper limit value of the transmission power of the corresponding antenna of default frequency range is reduced to the second preset threshold, to reduce the SAR of terminal.The embodiment of the present application also provides a kind of terminal and computer storage medium simultaneously.
Description
Technical field
This application involves the reductions of electromagnetic absorption ratio in 5GNR terminal (SAR, Specific Absorption Rate)
Technology more particularly to a kind of method, terminal and computer storage medium for reducing SAR.
Background technique
With popularizing for terminal, the time of using terminal is increasingly longer per capita, however, the electromagnetic wave that terminal radiation goes out is to people
The influence of body, also has been to be concerned by more and more people.
Currently, 5GNR is based on orthogonal frequency division multiplexing (OFDM, Orthogonal Frequency Division
Multiplexing the whole world the 5th third-generation mobile communication technology (5G, 5th-Generation) standard of design of completely newly eating dishes without rice or wine), needle
For 5GNR terminal, when 5GNR terminal not only only operates in 5GNR frequency range, also work at the same time when other frequency ranges, then this
When, mobile phone has multiple communication systems that can work at the same time, then should be fully open by the communication system worked at the same time, and calculate
The superimposed maximum SAR value of its radiation field intensity, that is, joint SAR.
However, the radiation field that respective antenna generates can be overlapped mutually since multiple communication systems work at the same time, so as to cause
Joint SAR value can be higher than SAR value when any standard works independently, and cause the problem that SAR value is exceeded；It is possible thereby to see
Out, the terminal that existing multiple communication systems the work at the same time technical problem exceeded there are SAR value.
Summary of the invention
The embodiment of the present application is intended to provide a kind of method, terminal and computer storage medium for reducing SAR, can reduce more
The SAR value for the terminal that a communication system works at the same time.
The technical solution of the application is achieved in that
The embodiment of the present application provides a kind of method for reducing SAR, which comprises
The working frequency range for obtaining terminal generates control when the working frequency range of the terminal is 5GNR frequency range and default frequency range
The upper limit value of the transmission power of the corresponding 5G antenna of the 5GNR frequency range is reduced to the according to the control instruction by system instruction
One preset threshold, and/or, according to the control instruction, by the upper limit value of the transmission power of the corresponding antenna of the default frequency range
It is reduced to the second preset threshold, to reduce the SAR of the terminal.
In the above-mentioned methods, described when the working frequency range of the terminal is 5GNR frequency range and default frequency range, generate control
Instruction, comprising:
When the working frequency range of the terminal is the 5GNR frequency range and the default frequency range, pair of the 5G antenna is obtained
The external radiant power of external radiation power and the corresponding antenna of the default frequency range, when the 5G antenna external radiant power and
When the external radiant power of the corresponding antenna of the default frequency range is respectively less than third predetermined threshold value, the control instruction is generated.
In the above-mentioned methods, the default frequency range includes:
The frequency range of network formats and/or the frequency range of Wireless Fidelity WIFI.
In the above-mentioned methods, according to the control instruction, by the transmission power of the corresponding 5G antenna of the 5GNR frequency range
Upper limit value be reduced to the first preset threshold, and/or, according to the control instruction, by the corresponding antenna of the default frequency range
The upper limit value of transmission power is reduced to the second preset threshold, after the SAR to reduce the terminal, the method also includes:
It when the working frequency range of the terminal is the 5GNR frequency range, generates and restores instruction, instructed according to the recovery, it will
The upper limit value of the transmission power of the 5G antenna restores the initial upper limit value of the transmission power to the 5G antenna.
In the above-mentioned methods, according to the control instruction, by the transmission power of the corresponding 5G antenna of the 5GNR frequency range
Upper limit value be reduced to the first preset threshold, and/or, according to the control instruction, by the corresponding antenna of the default frequency range
The upper limit value of transmission power is reduced to the second preset threshold, after the SAR to reduce the terminal, the method also includes:
It when the working frequency range of the terminal is the default frequency range, generates and restores instruction, instructed according to the recovery, it will
The upper limit value of the transmission power of the corresponding antenna of the default frequency range is restored to the transmitting function of the corresponding antenna of the default frequency range
The initial upper limit value of rate.
In the above-mentioned methods, corresponding when the default frequency range is the frequency range of network formats, refer to according to the control
It enables, the upper limit value of the transmission power of the corresponding 5G antenna of the 5GNR frequency range is reduced to the first preset threshold, and/or, according to
The upper limit value of the transmission power of the corresponding antenna of the default frequency range is reduced to the second preset threshold by the control instruction, with
After the SAR for reducing the terminal, the method also includes:
The external radiant power for obtaining the external radiant power of the 5G antenna and the antenna of the network formats, according to institute
The external radiant power for stating the external radiant power of 5G antenna and the antenna of the network formats closes the 5G antenna or institute
State the antenna of network formats.
In the above-mentioned methods, pair of the antenna of the external radiant power and network formats according to the 5G antenna
External radiation power closes the antenna of the 5G antenna or the network formats, comprising:
When the 5G antenna external radiant power be greater than the network formats the corresponding antenna of frequency range to external radiation
When power, the 5G antenna is closed, when the external radiant power of the 5G antenna is less than or equal to the frequency range pair of the network formats
When the external radiant power for the antenna answered, the antenna of the network formats is closed.
The embodiment of the present application provides a kind of warehouse control system, and the terminal includes:
First acquisition unit, for obtaining the working frequency range of terminal；
Generation unit, for generating control instruction when the working frequency range of the terminal is 5GNR frequency range and default frequency range；
Unit is reduced, for according to the control instruction, the transmission power of the corresponding 5G antenna of the 5GNR frequency range to be dropped
Down to the first preset threshold, and/or, according to the control instruction, the transmission power of the corresponding antenna of the default frequency range is dropped
Down to the second preset threshold, to reduce the SAR of the terminal.
In above-mentioned terminal, the generation unit is specifically used for:
When the working frequency range of the terminal is the 5GNR frequency range and the default frequency range, pair of the 5G antenna is obtained
The external radiant power of external radiation power and the corresponding antenna of the default frequency range, when the 5G antenna external radiant power and
When the external radiant power of the corresponding antenna of the default frequency range is respectively less than third predetermined threshold value, the control instruction is generated.
In above-mentioned terminal, the default frequency range includes:
The frequency range of network formats and/or the frequency range of Wireless Fidelity WIFI.
In above-mentioned terminal, the terminal, further includes:
First recovery unit, for according to the control instruction, by the transmitting of the corresponding 5G antenna of the 5GNR frequency range
The upper limit value of power is reduced to the first preset threshold, and/or, according to the control instruction, by the corresponding day of the default frequency range
The upper limit value of the transmission power of line is reduced to the second preset threshold, after the SAR to reduce the terminal, when the work of the terminal
Make frequency range be the 5GNR frequency range when, generate restore instruction, according to recoverys instruction, by the transmission power of the 5G antenna
Upper limit value restores the initial upper limit value of the transmission power to the 5G antenna.
In above-mentioned terminal, the terminal, further includes:
Second recovery unit, for according to the control instruction, by the transmitting of the corresponding 5G antenna of the 5GNR frequency range
The upper limit value of power is reduced to the first preset threshold, and/or, according to the control instruction, by the corresponding day of the default frequency range
The upper limit value of the transmission power of line is reduced to the second preset threshold, after the SAR to reduce the terminal, when the work of the terminal
When to make frequency range be the default frequency range, generate and restore instruction, according to recoverys instruction, by the corresponding antenna of the default frequency range
The upper limit value of transmission power restore the initial upper limit value of the transmission power to the corresponding antenna of the default frequency range.
In above-mentioned terminal, when the default frequency range is the frequency range of network formats, the terminal, further includes:
Second acquisition unit, for according to the control instruction, by the transmitting of the corresponding 5G antenna of the 5GNR frequency range
The upper limit value of power is reduced to the first preset threshold, and/or, according to the control instruction, by the corresponding day of the default frequency range
The upper limit value of the transmission power of line is reduced to the second preset threshold, after the SAR to reduce the terminal, obtains the 5G antenna
External radiant power and the network formats antenna external radiant power；
Closing unit, for the external spoke according to the antenna of the external radiant power and network formats of the 5G antenna
Power is penetrated, the antenna of the 5G antenna or the network formats is closed.
In above-mentioned terminal, the closing unit is specifically used for:
When the 5G antenna external radiant power be greater than the network formats the corresponding antenna of frequency range to external radiation
When power, the 5G antenna is closed, when the external radiant power of the 5G antenna is less than or equal to the frequency range pair of the network formats
When the external radiant power for the antenna answered, the antenna of the network formats is closed.
The embodiment of the present application also provides a kind of terminal, the terminal includes: processor and is stored with the processor
The storage medium of executable instruction, the storage medium relies on the processor by communication bus and executes operation, when the finger
When enabling by processor execution, the method that SAR is reduced described in said one or multiple embodiments is executed.
The embodiment of the present application provides a kind of computer storage medium, is stored with executable instruction, when the executable finger
When order is executed by one or more processors, the processor, which executes, reduces SAR described in said one or multiple embodiments
Method.
The embodiment of the present application provides a kind of method, terminal and computer storage medium for reducing SAR, this method comprises:
Firstly, obtaining the working frequency range of terminal, when the working frequency range of terminal is 5GNR frequency range and default frequency range, control instruction is generated,
According to control instruction, the upper limit value of the transmission power of the corresponding 5G antenna of 5GNR frequency range is reduced to the first preset threshold, and/
Or, the upper limit value of the transmission power of the corresponding antenna of default frequency range is reduced to the second preset threshold according to control instruction, with drop
The SAR of low terminal；That is, in the embodiment of the present application, by the working frequency range of the terminal got, to judge that terminal is
No to work at the same time in 5GNR frequency range and default frequency range, when terminal works at the same time when 5GNR frequency range and default frequency range, generation is controlled
Instruction reduces the upper limit value of the transmission power of 5G antenna with control instruction to the first preset threshold, and/or, referred to according to control
It enables, reduces the upper limit value of the transmission power of the default corresponding antenna of frequency range to the second preset threshold, in this way, when terminal works at the same time
When 5GNR frequency range and default frequency range, in order to reduce 5GNR frequency range and the superimposed SAR of default frequency range, by reducing 5G antenna
And/or the upper limit value of the transmission power of the corresponding antenna of default frequency range reduces SAR, in this way, it is same to solve multiple communication systems
When the terminal that works present in the exceeded technical problem of SAR value, to reduce the SAR of terminal, and then reduce terminal pair
The radiation of human body.
Detailed description of the invention
Fig. 1 is a kind of flow diagram of optional method for reducing SAR provided by the embodiments of the present application；
Fig. 2 is the flow diagram of another optional method for reducing SAR provided by the embodiments of the present application；
Fig. 3 is in the first optional 5GNR terminal provided by the embodiments of the present application for reducing each component of SAR value
Structural schematic diagram；
Fig. 4 is in second provided by the embodiments of the present application optional 5GNR terminal for reducing each component of SAR value
Structural schematic diagram；
Fig. 5 is in the third optional 5GNR terminal provided by the embodiments of the present application for reducing each component of SAR value
Structural schematic diagram；
Fig. 6 is in 4th kind provided by the embodiments of the present application optional 5GNR terminal for reducing each component of SAR value
Structural schematic diagram；
Fig. 7 is in 5th kind provided by the embodiments of the present application optional 5GNR terminal for reducing each component of SAR value
Structural schematic diagram；
Fig. 8 is in 6th kind provided by the embodiments of the present application optional 5GNR terminal for reducing each component of SAR value
Structural schematic diagram；
Fig. 9 is in 7th kind provided by the embodiments of the present application optional 5GNR terminal for reducing each component of SAR value
Structural schematic diagram；
Figure 10 is in 8th kind provided by the embodiments of the present application optional 5GNR terminal for reducing each component of SAR value
Structural schematic diagram；
Figure 11 is in 9th kind provided by the embodiments of the present application optional 5GNR terminal for reducing each component of SAR value
Structural schematic diagram；
Figure 12 is in the provided by the embodiments of the present application ten kind of optional 5GNR terminal for reducing each component of SAR value
Structural schematic diagram；
Figure 13 is each component in a kind of the provided by the embodiments of the present application tenth optional 5GNR terminal for reducing SAR value
Structural schematic diagram；
Figure 14 is each component in 12nd kind provided by the embodiments of the present application optional 5GNR terminal for reducing SAR value
Structural schematic diagram；
Figure 15 is a kind of structural schematic diagram one of terminal provided by the embodiments of the present application；
Figure 16 is a kind of structural schematic diagram two of terminal provided by the embodiments of the present application.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation description.
Embodiment one
The embodiment of the present application provides a kind of method for reducing SAR, and this method is applied in a terminal, and Fig. 1 is the application
The flow diagram of the optional method for reducing SAR of one kind that embodiment provides, refering to what is shown in Fig. 1, the method for reduction SAR can
To include:
S101: the working frequency range of terminal is obtained；
Wherein, SAR indicate tissue unit mass, the unit time absorb electromagnetic radiation energy, using terminal into
In row long-time communication process, since terminal is close apart from human body, particularly evident, needle is endangered caused by human body radiation energy at this time
For 5GNR terminal, if 5GNR terminal can be same with the base station 5G and the base station long term evolution (LTE, Long Term Evolution)
When the case where connecting appearance, that is, E-UTRA-NR dual link, then, when 5GNR terminal is worked at the same time in 5GNR frequency range and LTE frequency
Duan Shi, SAR value are the superimposed value of radiation field intensity of the radiation field intensity and LTE antenna of 5G antenna, that is, joint SAR value, however,
Joint SAR value can be higher than SAR value when any standard works independently, and cause SAR value exceeded.
SAR value is exceeded in order to prevent, firstly, the working frequency range of terminal is obtained, specifically, using working frequency range as network system
For for the frequency range of formula, modem (Modem) module of 5GNR terminal monitors the radio frequency chip of 5GNR, obtains 5GNR end
The working frequency points and channel at end.
For by taking working frequency range is the frequency range of network formats as an example, application processor (AP) module monitors radio frequency chip and nothing
Line fidelity (WIFI, WIreless-Fidelity) chip, obtains the working frequency points and channel of 5GNR terminal.
In this way, the working frequency range of 5GNR can be obtained according to the working frequency range and channel of the 5GNR listened to.
S102: when the working frequency range of terminal is 5GNR frequency range and default frequency range, control instruction is generated；
After the working frequency range for getting terminal by S101, judge whether terminal works at the same time in 5GNR frequency range and preset
Frequency range, wherein default frequency range may include: the frequency range of network formats and/or the frequency range of Wireless Fidelity WIFI.
Above-mentioned network formats may include: CDMA (CDMA, Code Division Multiple Access), entirely
Ball mobile communication system (GSM, Global System For Mobile Communications), 3G (Third Generation) Moblie skill
Art (3G, 3rd-Generation) and LTE；Here, the embodiment of the present application is not especially limited.
In S102, when the working frequency range of terminal works at the same time when 5GNR frequency range and default frequency range, that is to say, that terminal
It works at the same time at least two frequency ranges, then the hidden danger exceeded there are SAR value, SAR value is exceeded in order to prevent, generates control and refers to
It enables, which is used for controlling terminal, to achieve the purpose that reduce SAR value.
In order to further determine the terminal problem exceeded with the presence or absence of SAR value, in an alternative embodiment, S102
May include:
When the working frequency range of terminal is 5GNR frequency range and default frequency range, obtains the external radiant power of 5G antenna and preset
The external radiant power of the corresponding antenna of frequency range；
When to be respectively less than third pre- for the external radiant power of 5G antenna and the external radiant power of the corresponding antenna of default frequency range
If when threshold value, generating control instruction.
Specifically, when the working frequency range for determining terminal is 5GNR frequency range and default frequency range, that is to say, that terminal is simultaneously
When working at least two frequency ranges, at this point, obtain 5G antenna external radiant power and the corresponding antenna of default frequency range it is external
Radiant power, the external radiant power of the external radiant power of 5G antenna and the corresponding antenna of default frequency range is pre- with third respectively
If threshold value is compared, if the external radiant power of 5G antenna and the external radiant power of the corresponding antenna of default frequency range are respectively less than
Third predetermined threshold value illustrates the user of 5G antenna at this time and the corresponding antenna of default frequency range relatively terminal, and SAR value is higher,
So in the external radiant power of the external radiant power and the corresponding antenna of default frequency range that determine 5G antenna, to be respectively less than third pre-
If control instruction is just generated when threshold value, in this way, by judging that the external radiant power of antenna further determines that whether SAR value surpasses
Mark.
In addition, if any one in the external radiant power of 5G antenna and the external radiant power of the corresponding antenna of default frequency range
It is a be less than third predetermined threshold value, it is believed that SAR value there are it is exceeded a possibility that it is lower.
Here, by judging the external radiant power of antenna and the relationship of third predetermined threshold value, further determine that SAR value is
It is no exceeded, it can be avoided to the erroneous judgement redundant instruction generated that SAR value is exceeded, alleviate the processing task of terminal.
S103: according to control instruction, the upper limit value of the transmission power of the corresponding 5G antenna of 5GNR frequency range is reduced to first
Preset threshold, and/or, according to control instruction, the upper limit value of the transmission power of the corresponding antenna of default frequency range is reduced to second
Preset threshold, to reduce the SAR of terminal.
After obtaining control instruction, the upper limit of the transmission power of the corresponding 5G antenna of 5GNR frequency range is limited according to control instruction
Value, and/or, the upper limit value of the transmission power of the default corresponding antenna of frequency range is limited according to control instruction, specifically, by 5G antenna
The upper limit value of transmission power be reduced to the first preset threshold, and/or, by the upper of the transmission power of the corresponding antenna of default frequency range
Limit value is reduced to the second preset threshold, and here, the first preset threshold may be the same or different with the second preset threshold, this
Application embodiment is not especially limited.
In practical applications, above-mentioned first preset threshold and the second preset threshold can be 20dbm, transmission power it is initial
Upper limit value can be 23dbm.
In this way, the upper limit value of the transmission power by limitation 5G antenna, and/or, limit the default corresponding antenna of frequency range
The upper limit value of transmission power weakens the energy of the radiation field of 5G antenna and the corresponding antenna of default frequency range, so that SAR value meets
It is required that.
It after S103, can wrap in an alternative embodiment to restore the energy of the radiation field of antenna in time
It includes:
When the working frequency range of terminal is 5GNR frequency range, generates and restore instruction；
According to restore instruct, by the upper limit value of the transmission power of 5G antenna restore to the transmission power of 5G antenna it is initial on
Limit value.
Specifically, by 5G antenna, and/or, the upper limit value of the transmission power of the default corresponding antenna of frequency range is reduced to
After first preset threshold and the second preset threshold, when the working frequency range for detecting terminal is 5GNR frequency range, that is, terminal at this time
Working frequency range only only operate in a kind of frequency range, only 5G Antenna Operation, at this time, it is believed that SAR value be not present exceeded hidden danger, institute
With, it generates and restores instruction, the upper limit value of the transmission power of 5G antenna is restored to the initial upper limit value of the transmission power of 5G antenna,
In this way, guaranteeing that the radiation field of 5G antenna works normally.
It after S103, can wrap in an alternative embodiment to restore the energy of the radiation field of antenna in time
It includes:
When the working frequency range of terminal is default frequency range, generates and restore instruction；
According to restoring to instruct, the upper limit value of the transmission power of the corresponding antenna of default frequency range is restored corresponding to default frequency range
Antenna transmission power initial upper limit value.
Specifically, by 5G antenna, and/or, the upper limit value of the transmission power of the default corresponding antenna of frequency range is reduced to
After first preset threshold and the second preset threshold, when the working frequency range for detecting terminal is default frequency range, that is, terminal at this time
Working frequency range only only operate in a kind of frequency range, the only default corresponding Antenna Operation of frequency range, at this time, it is believed that SAR value is not present
Exceeded hidden danger, so, it generates and restores instruction, the upper limit value of the transmission power of the corresponding antenna of default frequency range is restored to default
The initial upper limit value of the transmission power of the corresponding antenna of frequency range, in this way, guaranteeing that the radiation field of the default corresponding antenna of frequency range is normal
Work.
In order to further reduce SAR value, in an alternative embodiment, Fig. 2 is provided by the embodiments of the present application another
A kind of flow diagram of the optional method for reducing SAR, as shown in Fig. 2, when default frequency range is the frequency range of network formats, it is right
It answers, after S103, may include:
S201: the external radiant power of the external radiant power of 5G antenna and the antenna of network formats is obtained；
S202: it according to the external radiant power of the external radiant power of 5G antenna and the antenna of network formats, closes 5G days
The antenna of line or network formats.
That is, by 5G antenna, and/or, the upper limit value of the transmission power of the default corresponding antenna of frequency range is reduced to
After first preset threshold and the second preset threshold, external radiant power and network formats that detection gets 5G antenna are first passed through
Antenna external radiant power, wherein the value of the external radiant power of antenna can be used for judging SAR value, when passing through judgement
When determining that SAR value is still very high, the mode of another antenna can be closed by using a kind of antenna to reduce SAR value.
In order to further reduce SAR value, in an alternative embodiment, S202 may include:
When the external radiant power of 5G antenna is greater than the external radiant power of the corresponding antenna of frequency range of network formats, close
Close 5G antenna；
When the external radiant power of 5G antenna is less than or equal to the external radiant power of the corresponding antenna of frequency range of network formats
When, close the antenna of network formats.
That is, when 5G antenna external radiant power be greater than network formats the corresponding antenna of frequency range to external radiation
When power, illustrates 5G antenna antenna corresponding compared to the frequency range of network formats, the user of terminal is more nearly, in order to reduce 5G
Radiation of the antenna to the user of terminal, close 5G antenna, in this way, reducing SAR value, is also reduced using the antenna of network formats
Radiation of the terminal to user.
When the external radiant power of 5G antenna is less than or equal to the external radiant power of the corresponding antenna of frequency range of network formats
When, illustrate that the corresponding antenna of the frequency range of network formats compared to 5G antenna, is more nearly the user of terminal, in order to reduce network system
The corresponding antenna of frequency range of network formats is closed in radiation of the corresponding antenna of the frequency range of formula to the user of terminal, using 5G antenna,
In this way, reducing SAR value, radiation of the terminal to user is also reduced.
It is given an actual example below to be illustrated to the method for the reduction SAR in said one or multiple embodiments.
By taking default frequency range is LTE frequency range as an example, Fig. 3 is in the first optional 5GNR terminal provided by the embodiments of the present application
For reducing the structural schematic diagram of each component of SAR value, as shown in figure 3,5GNR terminal includes: for reducing the component of SAR value
Modem module, radio frequency chip, LTE antenna and 5G antenna；Wherein, when 5GNR terminal is worked at the same time in LTE frequency range and 5GNR frequency
Section, as shown in figure 3, the radiation field that radiation field and 5G antenna that LTE antenna generates generate will form superimposed field.
In order to reduce the SAR value of 5GNR terminal, Fig. 4 is in second provided by the embodiments of the present application optional 5GNR terminal
For reducing the structural schematic diagram of each component of SAR value；Wherein, Modem module connection master chip and SIM (Subscriber
Identification Module) card module, the Modem module in 5GNR terminal monitor working frequency points in radio frequency chip and
Channel, according to the working frequency points and channel in the radio frequency chip listened to, determine 5GNR terminal work at the same time in LTE frequency range and
5GNR frequency range, Modem module reduces the upper limit value of the transmission power of LTE antenna by radio frequency chip, so that the radiation of LTE antenna
Field becomes smaller, so that superimposed field becomes smaller, as shown in Figure 4.
In order to reduce the SAR value of 5GNR terminal, Fig. 5 is in the third optional 5GNR terminal provided by the embodiments of the present application
For reducing the structural schematic diagram of each component of SAR value；Modem module in 5GNR terminal monitors the work frequency in radio frequency chip
Point and channel according to the working frequency points and channel in the radio frequency chip listened to determine that 5GNR terminal is worked at the same time in LTE frequency range
With 5GNR frequency range, Modem module reduces the upper limit value of the transmission power of 5G antenna by radio frequency chip, so that the radiation of 5G antenna
Field becomes smaller, so that superimposed field becomes smaller, as shown in Figure 5.
In order to reduce the SAR value of 5GNR terminal, Fig. 6 is in 4th kind provided by the embodiments of the present application optional 5GNR terminal
For reducing the structural schematic diagram of each component of SAR value；Modem module in 5GNR terminal monitors the work frequency in radio frequency chip
Point and channel according to the working frequency points and channel in the radio frequency chip listened to determine that 5GNR terminal is worked at the same time in LTE frequency range
With 5GNR frequency range, Modem module reduces the upper limit value of the transmission power of 5G antenna by radio frequency chip, and reduces LTE antenna
Transmission power upper limit value so that the radiation field of 5G antenna and the radiation field of LTE antenna all become smaller, so that superimposed field becomes
It is small, as shown in Figure 6.
In addition, the upper limit value and/or LTE antenna for reducing the transmission power of 5G antenna transmission power upper limit value it
Afterwards, when in 5GNR terminal LTE frequency range and 5G frequency range do not work at the same time when, for example, when only only have LTE antenna work when, 5G
Antenna does not work, radiationless field, and also without superimposed field, Fig. 7 is in 5th kind provided by the embodiments of the present application optional 5GNR terminal
For reducing the structural schematic diagram of each component of SAR value；As shown in fig. 7, by the upper limit of 5G antenna and the transmission power of LTE antenna
Value is restored to initial upper limit value, so that working condition restores normal.
When in 5GNR terminal LTE frequency range and 5G frequency range do not work at the same time when, for example, ought only only have 5G Antenna Operation
When, LTE antenna does not work, radiationless field, and also without superimposed field, Fig. 8 is the 6th kind of optional 5GNR provided by the embodiments of the present application
For reducing the structural schematic diagram of each component of SAR value in terminal；As shown in figure 8, by the transmission power of 5G antenna and LTE antenna
Upper limit value restore to initial upper limit value so that working condition restores normal.
As it can be seen that examples detailed above is started with from the transmission power of antenna, the space radiation of LTE frequency range or 5GNR frequency range is reduced
Field intensity and range both avoid radiation field from being overlapped mutually rear intensity excessive, achieve the purpose that reduced radiation superimposed field, to drop
Low joint SAR value.
In practical applications, it can also identify that LTE frequency range and 5GNR frequency range work at the same time by software scenario, then switch
Work antenna, and 5G antenna and LTE antenna space length are separated, to achieve the purpose that reduce superposition field intensity, but this scheme
Needing to arrange in pairs or groups reduces the synchronous use of power scheme.
In addition, Fig. 9 is the 7th kind of optional 5GNR provided by the embodiments of the present application so that default frequency range is WIFI frequency range as an example
For reducing the structural schematic diagram of each component of SAR value in terminal, as shown in figure 9, component of the 5GNR terminal for reducing SAR value
It include: AP module, radio frequency chip, WIFI chip, WIFI antenna and 5G antenna；Wherein, when 5GNR terminal is worked at the same time in LTE frequency
Section and 5GNR frequency range, as shown in figure 3, the radiation field that radiation field and 5G antenna that WIFI antenna generates generate will form superimposed field.
In order to reduce the SAR value of 5GNR terminal, Figure 10 is 8th kind provided by the embodiments of the present application optional 5GNR terminal
In for reducing SAR value each component structural schematic diagram；AP module connects radio frequency chip and WIFI chip, in 5GNR terminal
AP module monitors working frequency points and channel in radio frequency chip, and monitors working frequency points and channel in WIFI chip, according to prison
The working frequency points in radio frequency chip and channel heard and working frequency points and channel in WIFI chip, determine 5GNR terminal
It works at the same time in WIFI frequency range and 5GNR frequency range, AP module reduces the upper limit of the transmission power of WIFI antenna by WIFI chip
Value, so that the radiation field of WIFI antenna becomes smaller, so that superimposed field becomes smaller, as shown in Figure 10.
In order to reduce the SAR value of 5GNR terminal, Figure 11 is 9th kind provided by the embodiments of the present application optional 5GNR terminal
In for reducing SAR value each component structural schematic diagram；AP module in 5GNR terminal monitors the work frequency in radio frequency chip
Point and channel, and monitor working frequency points and channel in WIFI chip, according in the radio frequency chip listened to working frequency points and
Channel and working frequency points and channel in WIFI chip determine that 5GNR terminal is worked at the same time in WIFI frequency range and 5GNR frequency range,
AP module reduces the upper limit value of the transmission power of 5G antenna by radio frequency chip, so that the radiation field of 5G antenna becomes smaller, and then makes
It obtains superimposed field to become smaller, as shown in figure 11.
In order to reduce the SAR value of 5GNR terminal, Figure 12 is the provided by the embodiments of the present application ten kind of optional 5GNR terminal
In for reducing SAR value each component structural schematic diagram；AP module in 5GNR terminal monitors the work frequency in radio frequency chip
Point and channel, and monitor working frequency points and channel in WIFI chip, according in the radio frequency chip listened to working frequency points and
Channel and working frequency points and channel in WIFI chip determine that 5GNR terminal is worked at the same time in WIFI frequency range and 5GNR frequency range,
AP module reduces the upper limit value of the transmission power of 5G antenna by radio frequency chip, and reduces WIFI antenna by WIFI chip
The upper limit value of transmission power, so that the radiation field of 5G antenna and the radiation field of WIFI antenna all become smaller, so that superimposed field becomes
It is small, as shown in Figure 5.
In addition, when in 5GNR terminal WIFI frequency range and 5G frequency range do not work at the same time when, for example, ought only only have WIFI days
When line works, 5G antenna does not work, radiationless field, and also without superimposed field, Figure 13 is that the tenth one kind provided by the embodiments of the present application can
For reducing the structural schematic diagram of each component of SAR value in the 5GNR terminal of choosing；As shown in figure 13, by 5G antenna and WIFI antenna
The upper limit value of transmission power restore to initial upper limit value so that working condition restores normal.
When in 5GNR terminal WIFI frequency range and 5G frequency range do not work at the same time when, for example, ought only only have 5G Antenna Operation
When, WIFI antenna does not work, radiationless field, and also without superimposed field, Figure 14 is 12nd kind provided by the embodiments of the present application optional
For reducing the structural schematic diagram of each component of SAR value in 5GNR terminal；As shown in figure 14, by the hair of 5G antenna and WIFI antenna
The upper limit value for penetrating power is restored to initial upper limit value, so that working condition restores normal.
As it can be seen that starting with from transmission power by examples detailed above, the space radiation of WIFI frequency range or 5GNR frequency range is reduced
Field intensity and range both avoid radiation field from being overlapped mutually rear intensity excessive, achieve the purpose that reduced radiation superimposed field, to drop
Low joint SAR value.
Furthermore it is also possible to identify that WIFI frequency range and 5GNR frequency range work at the same time by software scenario, then switch operating day
Line separates 5G antenna and WIFI antenna space length, and to achieve the purpose that reduce superposition field intensity, but this scheme needs are taken
With reducing, power scheme is synchronous to be used.
The embodiment of the present application provides a kind of method for reducing SAR, this method comprises: firstly, obtaining the work frequency of terminal
Section generates control instruction when the working frequency range of terminal is 5GNR frequency range and default frequency range, according to control instruction, by 5GNR frequency
The upper limit value of the transmission power of the corresponding 5G antenna of section is reduced to the first preset threshold, and/or, according to control instruction, will preset
The upper limit value of the transmission power of the corresponding antenna of frequency range is reduced to the second preset threshold, to reduce the SAR of terminal；That is,
In the embodiment of the present application, by the working frequency range of the terminal got, to judge whether terminal works at the same time in 5GNR frequency range
With default frequency range, when terminal works at the same time when 5GNR frequency range and default frequency range, generation control instruction is reduced with control instruction
The upper limit value of the transmission power of 5G antenna to the first preset threshold, and/or, according to control instruction, it is corresponding to reduce default frequency range
The upper limit value of the transmission power of antenna is to the second preset threshold, in this way, when terminal is worked at the same time in 5GNR frequency range and default frequency range
When, in order to reduce 5GNR frequency range and the superimposed SAR of default frequency range, by reducing 5G antenna and/or the corresponding day of default frequency range
The upper limit value of the transmission power of line reduces SAR, in this way, solve present in the terminal that multiple communication systems work at the same time
The exceeded technical problem of SAR value to reduce the SAR of terminal, and then reduces radiation of the terminal to human body.
Embodiment two
Figure 15 is a kind of structural schematic diagram one of terminal provided by the embodiments of the present application, and as shown in figure 15, the application is implemented
Example provides a kind of terminal, which may include:
First acquisition unit 151, for obtaining the working frequency range of terminal；
Generation unit 152, for generating control instruction when the working frequency range of terminal is 5GNR frequency range and default frequency range；
Unit 153 is reduced, for according to control instruction, the transmission power of the corresponding 5G antenna of 5GNR frequency range is reduced to the
One preset threshold, and/or, according to control instruction, the transmission power of the corresponding antenna of default frequency range is reduced to the second default threshold
Value, to reduce the SAR of terminal.
Optionally, above-mentioned generation unit 152, is specifically used for:
When the working frequency range of terminal is 5GNR frequency range and default frequency range, obtains the external radiant power of 5G antenna and preset
The external radiant power of the corresponding antenna of frequency range, when 5G antenna external radiant power and the corresponding antenna of default frequency range it is external
When radiant power is respectively less than third predetermined threshold value, control instruction is generated.
Optionally, default frequency range includes: the frequency range of network formats and/or the frequency range of WIFI.
Optionally, above-mentioned terminal, further includes:
First recovery unit, for according to control instruction, by the upper of the transmission power of the corresponding 5G antenna of 5GNR frequency range
Limit value is reduced to the first preset threshold, and/or, according to control instruction, by the upper of the transmission power of the corresponding antenna of default frequency range
Limit value is reduced to the second preset threshold, after the SAR to reduce terminal, when the working frequency range of terminal is 5GNR frequency range, generates
Restore instruction, according to restoring to instruct, the upper limit value of the transmission power of 5G antenna is restored initial to the transmission power of 5G antenna
Upper limit value.
Optionally, above-mentioned terminal, further includes:
Second recovery unit, for according to control instruction, by the upper of the transmission power of the corresponding 5G antenna of 5GNR frequency range
Limit value is reduced to the first preset threshold, and/or, according to control instruction, by the upper of the transmission power of the corresponding antenna of default frequency range
Limit value is reduced to the second preset threshold, after the SAR to reduce terminal, when the working frequency range of terminal is default frequency range, generates
Restore instruction, according to restoring to instruct, the upper limit value of the transmission power of the corresponding antenna of default frequency range is restored to default frequency range pair
The initial upper limit value of the transmission power for the antenna answered.
Optionally, when default frequency range is the frequency range of network formats, above-mentioned terminal, further includes:
Second acquisition unit, for according to control instruction, by the upper of the transmission power of the corresponding 5G antenna of 5GNR frequency range
Limit value is reduced to the first preset threshold, and/or, according to control instruction, by the upper of the transmission power of the corresponding antenna of default frequency range
Limit value is reduced to the second preset threshold, after the SAR to reduce terminal, obtains the external radiant power and network formats of 5G antenna
Antenna external radiant power；
Closing unit, for the external radiant power according to the antenna of the external radiant power and network formats of 5G antenna,
Close the antenna of 5G antenna or network formats.
Optionally, above-mentioned closing unit, is specifically used for:
When the external radiant power of 5G antenna is greater than the external radiant power of the corresponding antenna of frequency range of network formats, close
5G antenna is closed, when the external radiant power of 5G antenna is less than or equal to the external radiant power of the corresponding antenna of frequency range of network formats
When, close the antenna of network formats.
In practical applications, above-mentioned first acquisition unit 151, generation unit 152, reduction unit 153, first restore single
Member, the second recovery unit, second acquisition unit and closing unit can be by the processor realizations in terminal, specially centre
Manage device (CPU, Central Processing Unit), microprocessor (MPU, Microprocessor Unit), digital signal
Processor (DSP, Digital Signal Processing) or field programmable gate array (FPGA, Field
Programmable Gate Array) etc. realize.
Figure 16 is a kind of structural schematic diagram two of terminal provided by the embodiments of the present application, and as shown in figure 16, the application is implemented
Example provides a kind of terminal 1600, comprising:
Processor 161 and the storage medium 162 for being stored with 161 executable instruction of processor, the storage medium
162, which rely on the processor 161 by communication bus 163, executes operation, when described instruction is executed by the processor 161,
Execute the method that SAR is reduced described in above-described embodiment one.
It should be noted that the various components in terminal are coupled by communication bus 163 when practical application.It can
Understand, communication bus 163 is for realizing the connection communication between these components.Communication bus 163 except include data/address bus in addition to,
It further include power bus, control bus and status signal bus in addition.But for the sake of clear explanation, by various buses in Figure 16
All it is designated as communication bus 163.
The embodiment of the present application provides a kind of computer storage medium, is stored with executable instruction, when the executable finger
When order is executed by one or more processors, the processor executes the method that SAR is reduced described in embodiment one.
Wherein, computer readable storage medium can be magnetic RAM (ferromagnetic random
Access memory, FRAM), read-only memory (Read Only Memory, ROM), programmable read only memory
(Programmable Read-Only Memory, PROM), Erasable Programmable Read Only Memory EPROM (Erasable
Programmable Read-Only Memory, EPROM), electrically erasable programmable read-only memory (Electrically
Erasable Programmable Read-Only Memory, EEPROM), flash memory (Flash Memory), magnetic table
The memories such as face memory, CD or CD-ROM (Compact Disc Read-Only Memory, CD-ROM).
It should be understood by those skilled in the art that, embodiments herein can provide as method, system or computer program
Product.Therefore, the shape of hardware embodiment, software implementation or embodiment combining software and hardware aspects can be used in the application
Formula.Moreover, the application, which can be used, can use storage in the computer that one or more wherein includes computer usable program code
The form for the computer program product implemented on medium (including but not limited to magnetic disk storage and optical memory etc.).
The application is referring to method, the process of equipment (system) and computer program product according to the embodiment of the present application
Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions
The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs
Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real
The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
The above, the only preferred embodiment of the application, are not intended to limit the protection scope of the application.
Claims (10)
1. a kind of method for reducing electromagnetic absorption ratio SAR, which is characterized in that the described method includes:
Obtain the working frequency range of terminal；
When the working frequency range of the terminal is 5GNR frequency range and default frequency range, control instruction is generated；
According to the control instruction, the upper limit value of the transmission power of the corresponding 5G antenna of the 5GNR frequency range is reduced to first pre-
If threshold value, and/or, according to the control instruction, the upper limit value of the transmission power of the corresponding antenna of the default frequency range is reduced
To the second preset threshold, to reduce the SAR of the terminal.
2. the method according to claim 1, wherein the working frequency range when the terminal be 5GNR frequency range and
When default frequency range, control instruction is generated, comprising:
When the working frequency range of the terminal is the 5GNR frequency range and the default frequency range, the external spoke of the 5G antenna is obtained
Penetrate the external radiant power of power and the corresponding antenna of the default frequency range；
When the external radiant power of the 5G antenna and the external radiant power of the corresponding antenna of the default frequency range are respectively less than
When three preset thresholds, the control instruction is generated.
3. the method according to claim 1, wherein the default frequency range includes:
The frequency range of network formats and/or the frequency range of Wireless Fidelity WIFI.
4. the method according to claim 1, wherein according to the control instruction, by the 5GNR frequency range pair
The upper limit value of the transmission power for the 5G antenna answered is reduced to the first preset threshold, and/or, it, will be described according to the control instruction
The upper limit value of the transmission power of the default corresponding antenna of frequency range is reduced to the second preset threshold, with reduce the terminal SAR it
Afterwards, the method also includes:
When the working frequency range of the terminal is the 5GNR frequency range, generates and restore instruction；
It is instructed according to the recovery, the upper limit value of the transmission power of the 5G antenna is restored to the transmission power of the 5G antenna
Initial upper limit value.
5. the method according to claim 1, wherein according to the control instruction, by the 5GNR frequency range pair
The upper limit value of the transmission power for the 5G antenna answered is reduced to the first preset threshold, and/or, it, will be described according to the control instruction
The upper limit value of the transmission power of the default corresponding antenna of frequency range is reduced to the second preset threshold, with reduce the terminal SAR it
Afterwards, the method also includes:
When the working frequency range of the terminal is the default frequency range, generates and restore instruction；
It is instructed according to the recovery, the upper limit value of the transmission power of the corresponding antenna of the default frequency range is restored to described default
The initial upper limit value of the transmission power of the corresponding antenna of frequency range.
6. according to the method described in claim 3, it is characterized in that, when the default frequency range be network formats frequency range when,
It is corresponding, according to the control instruction, the upper limit value of the transmission power of the corresponding 5G antenna of the 5GNR frequency range is dropped
Down to the first preset threshold, and/or, according to the control instruction, by the transmission power of the corresponding antenna of the default frequency range
Upper limit value is reduced to the second preset threshold, after the SAR to reduce the terminal, the method also includes:
Obtain the external radiant power of the external radiant power of the 5G antenna and the antenna of the network formats；
According to the external radiant power of the external radiant power of the 5G antenna and the antenna of the network formats, the 5G is closed
The antenna of antenna or the network formats.
7. according to the method described in claim 6, it is characterized in that, the external radiant power and institute according to the 5G antenna
The external radiant power for stating the antenna of network formats closes the antenna of the 5G antenna or the network formats, comprising:
When the external radiant power of the 5G antenna is greater than the external radiant power of the corresponding antenna of frequency range of the network formats
When, close the 5G antenna；
When the 5G antenna external radiant power be less than or equal to the network formats the corresponding antenna of frequency range to external radiation
When power, the antenna of the network formats is closed.
8. a kind of terminal, which is characterized in that the terminal includes:
First acquisition unit, for obtaining the working frequency range of terminal；
Generation unit, for generating control instruction when the working frequency range of the terminal is 5GNR frequency range and default frequency range；
Unit is reduced, for according to the control instruction, the transmission power of the corresponding 5G antenna of the 5GNR frequency range to be reduced to
First preset threshold, and/or, according to the control instruction, the transmission power of the corresponding antenna of the default frequency range is reduced to
Second preset threshold, to reduce the SAR of the terminal.
9. a kind of terminal, which is characterized in that the terminal includes:
Processor and the storage medium for being stored with the processor-executable instruction, the storage medium by communication bus according to
Rely the processor to execute operation, when described instruction is executed by the processor, it is any to execute above-mentioned claim 1 to 7
The method of reduction electromagnetic absorption ratio SAR described in.
10. a kind of computer storage medium, which is characterized in that executable instruction is stored with, when the executable instruction is by one
Or multiple processors, when execute, the processor executes described in any item the reductions electromagnetism suctions of the claim 1 to 7
The method for receiving ratio SAR.
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