CN107231682A - Reduce terminal SAR processing method, device and terminal - Google Patents
Reduce terminal SAR processing method, device and terminal Download PDFInfo
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- CN107231682A CN107231682A CN201710379337.1A CN201710379337A CN107231682A CN 107231682 A CN107231682 A CN 107231682A CN 201710379337 A CN201710379337 A CN 201710379337A CN 107231682 A CN107231682 A CN 107231682A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/18—TPC being performed according to specific parameters
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/18—TPC being performed according to specific parameters
- H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
- H04W52/241—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account channel quality metrics, e.g. SIR, SNR, CIR, Eb/lo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/18—TPC being performed according to specific parameters
- H04W52/26—TPC being performed according to specific parameters using transmission rate or quality of service QoS [Quality of Service]
- H04W52/265—TPC being performed according to specific parameters using transmission rate or quality of service QoS [Quality of Service] taking into account the quality of service QoS
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/18—TPC being performed according to specific parameters
- H04W52/26—TPC being performed according to specific parameters using transmission rate or quality of service QoS [Quality of Service]
- H04W52/267—TPC being performed according to specific parameters using transmission rate or quality of service QoS [Quality of Service] taking into account the information rate
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Abstract
Terminal SAR processing method, device and terminal is reduced the disclosure is directed to a kind of, wherein, this method includes：Detect the distance between present terminal and user's head, it is determined that with apart from corresponding maximum transmission power；It is determined that send signal when up needs transmission power；According to the transmission power of up needs and with apart from corresponding maximum transmission power, determining the transmission signal power of transmission signal, to carry out the transmission of signal according to transmission signal power.So as to dynamically have adjusted the value of the SAR produced by terminal, while the radiation to human body is reduced, ensure the speech quality of the signal of terminal, the transmission power avoided when sending signal due to terminal in the prior art is relatively low, caused by terminal poor signal, signal to noise ratio it is low, networking speed is slow, noise is big when converse at a distance and the problems such as many conversation noises, improves experience during user's using terminal.
Description
Technical field
This disclosure relates to field of terminal technology, more particularly to reduce terminal SAR processing method, device and terminal.
Background technology
With the development of terminal technology, terminal has become the important tool in people's live and work.Terminal is being sent
When signal, electromagnetic wave absorption rate (Specific Absorption Rate, abbreviation SAR) can be produced.When SAR is unit
The electromagnetic radiation energy of the material absorbing of interior unit mass.For example, by taking the radiation of mobile phone as an example, the SAR produced by mobile phone refers to
Be radiation by the ratio of the soft tissue absorbed on the head of people, SAR value is lower, radiate by people brain absorb amount it is fewer.
The value all to the SAR produced by terminal is provided with a higher limit in the world.Terminal, such as mobile phone when manufacturing and dispatching from the factory,
The produced SAR of terminal value is needed to be less than the higher limit.In general, transmission power of the terminal when sending signal is got over
Low, produced SAR value is lower, and then fewer to the radiation of human body.
In correlation technique, because transmission power of the terminal when sending signal is lower, produced SAR value is lower, is
The reduction terminal SAR produced when sending signal value, can reduce transmission power when terminal sends signal.
But in correlation technique, transmission power when sending signal by reducing terminal goes to reduce SAR value, due to terminal
Transmission power when sending signal is relatively low, so as to can cause that the poor signal of terminal, signal to noise ratio be low, networking speed is slow, carries out far
Noise is big, conversation noise is more during distance call, and then experience when can influence user's using terminal.
The content of the invention
To overcome problem present in correlation technique, the disclosure provide a kind of processing method for reducing terminal SAR, device and
Terminal, transmission power during for solving to send signal by reducing terminal in the prior art goes to reduce SAR value, due to terminal
Transmission power when sending signal is relatively low, so as to can cause that the poor signal of terminal, signal to noise ratio be low, networking speed is slow, carries out far
Noise is big, conversation noise is more during distance call, and then the problem of experience when can influence user's using terminal.
According to the first aspect of the embodiment of the present disclosure there is provided a kind of reduction terminal SAR processing method, including：
The distance between present terminal and user's head are detected, it is determined that with described apart from corresponding maximum transmission power；
It is determined that send signal when up needs transmission power；
According to the transmission power of the up needs and with described apart from corresponding maximum transmission power, it is determined that transmitting
The transmission signal power of signal, to carry out the transmission of signal according to transmission signal power.
Further, it is described according to the transmission power of the up needs and with described apart from corresponding emission maximum
Power, determines the transmission signal power of transmission signal, to carry out the transmission of signal according to transmission signal power, including：
Judge the transmission power of the up needs, if more than or equal to described apart from corresponding maximum transmission power；
If being more than or equal to, it is determined that with it is described apart from corresponding maximum transmission power be transmission signal power, with according to hair
Penetrate the transmission that signal power carries out signal；
If being less than, it is determined that the transmission power of up needs is transmission signal power, to be carried out according to transmission signal power
The transmission of signal.
Further, the transmission power for judging the up needs, if more than or equal to described apart from corresponding
Maximum transmission power；If being more than or equal to, it is determined that with it is described apart from corresponding maximum transmission power be transmission signal power, with root
The transmission of signal is carried out according to transmission signal power；If being less than, it is determined that the transmission power of up needs is transmission signal power, with
The transmission of signal is carried out according to transmission signal power, including：
According to the transmission power of the up needs, with it is described apart from corresponding maximum transmission power and it is default work as
The transmission power scope of preceding terminal, determine the up needs transmission power whether be more than or equal to it is described apart from it is corresponding most
Big transmission power and the maximum for being less than transmission power scope；
If the transmission power of the up needs is more than or equal to described apart from corresponding maximum transmission power and less than hair
Penetrate the maximum of power bracket, it is determined that with it is described apart from corresponding maximum transmission power be transmission signal power, with according to hair
Penetrate the transmission that signal power carries out signal；
If the transmission power of the up needs be less than it is described with apart from corresponding maximum transmission power and more than or equal to sending out
Penetrate the minimum value of power bracket, it is determined that the transmission power of up needs is transmission signal power, with according to transmission signal power
Carry out the transmission of signal.
Further, the distance between described detection present terminal and user's head, it is determined that with it is described apart from it is corresponding most
Big transmission power, including：
Pass through the distance-sensor on present terminal, the distance between detection present terminal and user's head；
According to corresponding relation between default distance and maximum transmission power, it is determined that with described apart from corresponding emission maximum
Power.
Further, the corresponding relation is corresponding relation between default distance, terminal models and maximum transmission power；
It is described according to corresponding relation between default distance and maximum transmission power, it is determined that with described apart from corresponding maximum
Transmission power, including：
According to corresponding relation between default distance, terminal models and maximum transmission power, determine present terminal with institute
State apart from corresponding maximum transmission power.
Further, the transmission power for determining up needs during transmission signal, including：
According to downstream signal, the transmission power of up needs when sending signal is calculated.
The technical scheme provided by this disclosed embodiment can include the following benefits：By detecting present terminal and use
The distance between account portion, it is determined that with apart from corresponding maximum transmission power；It is determined that send signal when up needs transmitting work(
Rate；According to the transmission power of up needs and with apart from corresponding maximum transmission power, determining the transmission signal of transmission signal
Power, to carry out the transmission of signal according to transmission signal power.So as to according between present terminal and user's head away from
From, go to determine with apart from corresponding maximum transmission power, so as to according to the distance between present terminal and user's head
The performance number of dynamic adjustment transmission signal, in the transmission process of signal, present terminal and the distance between user's head are nearer,
The performance number of maximum transmission power is smaller, and present terminal and the distance between user's head are more remote, the power of maximum transmission power
Value is bigger；Then just can according to the transmission powers of up needs and with apart from corresponding maximum transmission power, calculating is set out
The transmission signal power of signal is penetrated, and then according to the transmission of transmission signal power progress signal.In present terminal and user's head
The distance between it is larger when, larger with apart from corresponding maximum transmission power, the value of the SAR produced by terminal is larger, but
It is smaller with apart from corresponding maximum transmission power when present terminal and smaller the distance between user's head, produced by terminal
SAR value is smaller, so that the value of the SAR produced by dynamically have adjusted terminal, while the radiation to human body is reduced, it is ensured that eventually
The speech quality of the signal at end, it is to avoid transmission power when sending signal due to terminal in the prior art is relatively low, caused by
Poor signal, the signal to noise ratio of terminal are low, networking speed is slow, noise is big when converse at a distance and the problems such as many conversation noises,
Improve experience during user's using terminal.
According to the second aspect of the embodiment of the present disclosure there is provided a kind of reduction terminal SAR processing unit, including：
Detection module, is configured as the distance between detection present terminal and user's head, it is determined that corresponding with the distance
Maximum transmission power；
Determining module, is configured to determine that the transmission power of up needs when sending signal；
Adjusting module, is configured as according to the transmission power of the up needs and with described apart from corresponding maximum
Transmission power, determines the transmission signal power of transmission signal, to carry out the transmission of signal according to transmission signal power.
Further, the adjusting module, is specifically configured to：
Judge the transmission power of the up needs, if more than or equal to described apart from corresponding maximum transmission power；
If being more than or equal to, it is determined that with it is described apart from corresponding maximum transmission power be transmission signal power, with according to hair
Penetrate the transmission that signal power carries out signal；
If being less than, it is determined that the transmission power of up needs is transmission signal power, to be carried out according to transmission signal power
The transmission of signal.
Further, the adjusting module, is specifically configured to：
According to the transmission power of the up needs, with it is described apart from corresponding maximum transmission power and it is default work as
The transmission power scope of preceding terminal, determine the up needs transmission power whether be more than or equal to it is described apart from it is corresponding most
Big transmission power and the maximum for being less than transmission power scope；
If the transmission power of the up needs is more than or equal to described apart from corresponding maximum transmission power and less than hair
Penetrate the maximum of power bracket, it is determined that with it is described apart from corresponding maximum transmission power be transmission signal power, with according to hair
Penetrate the transmission that signal power carries out signal；
If the transmission power of the up needs be less than it is described with apart from corresponding maximum transmission power and more than or equal to sending out
Penetrate the minimum value of power bracket, it is determined that the transmission power of up needs is transmission signal power, with according to transmission signal power
Carry out the transmission of signal.
Further, the detection module, including：
Detection sub-module, is configured as by the distance-sensor on present terminal, detection present terminal and user's head
The distance between；
Determination sub-module, is configured as according to corresponding relation between default distance and maximum transmission power, it is determined that and institute
State apart from corresponding maximum transmission power.
Further, the corresponding relation is corresponding relation between default distance, terminal models and maximum transmission power；
The determination sub-module, is specifically configured to：
According to corresponding relation between default distance, terminal models and maximum transmission power, determine present terminal with institute
State apart from corresponding maximum transmission power.
Further, the determining module, is specifically configured to：
According to downstream signal, the transmission power of up needs when sending signal is calculated.
The technical scheme provided by this disclosed embodiment can include the following benefits：By detecting present terminal and use
The distance between account portion, it is determined that with apart from corresponding maximum transmission power；It is determined that send signal when up needs transmitting work(
Rate；According to the transmission power of up needs and with apart from corresponding maximum transmission power, determining the transmission signal of transmission signal
Power, to carry out the transmission of signal according to transmission signal power.So as to according between present terminal and user's head away from
From, go to determine with apart from corresponding maximum transmission power, so as to according to the distance between present terminal and user's head
The performance number of dynamic adjustment transmission signal, in the transmission process of signal, present terminal and the distance between user's head are nearer,
The performance number of maximum transmission power is smaller, and present terminal and the distance between user's head are more remote, the power of maximum transmission power
Value is bigger；Then just can according to the transmission powers of up needs and with apart from corresponding maximum transmission power, calculating is set out
The transmission signal power of signal is penetrated, and then according to the transmission of transmission signal power progress signal.In present terminal and user's head
The distance between it is larger when, larger with apart from corresponding maximum transmission power, the value of the SAR produced by terminal is larger, but
It is smaller with apart from corresponding maximum transmission power when present terminal and smaller the distance between user's head, produced by terminal
SAR value is smaller, so that the value of the SAR produced by dynamically have adjusted terminal, while the radiation to human body is reduced, it is ensured that eventually
The speech quality of the signal at end, it is to avoid transmission power when sending signal due to terminal in the prior art is relatively low, caused by
Poor signal, the signal to noise ratio of terminal are low, networking speed is slow, noise is big when converse at a distance and the problems such as many conversation noises,
Improve experience during user's using terminal.
According to the third aspect of the embodiment of the present disclosure there is provided a kind of terminal, including：
Processor, and for storing the memory of processor-executable instruction；
Wherein, the processor is configured as：Detect the distance between present terminal and user's head, it is determined that with it is described away from
From corresponding maximum transmission power；It is determined that send signal when up needs transmission power；According to the transmitting of the up needs
Power and the transmission signal power of transmission signal is determined apart from corresponding maximum transmission power with described, to believe according to transmitting
Number power carries out the transmission of signal.
The technical scheme provided by this disclosed embodiment can include the following benefits：By detecting present terminal and use
The distance between account portion, it is determined that with apart from corresponding maximum transmission power；It is determined that send signal when up needs transmitting work(
Rate；According to the transmission power of up needs and with apart from corresponding maximum transmission power, determining the transmission signal of transmission signal
Power, to carry out the transmission of signal according to transmission signal power.So as to according between present terminal and user's head away from
From, go to determine with apart from corresponding maximum transmission power, so as to according to the distance between present terminal and user's head
The performance number of dynamic adjustment transmission signal, in the transmission process of signal, present terminal and the distance between user's head are nearer,
The performance number of maximum transmission power is smaller, and present terminal and the distance between user's head are more remote, the power of maximum transmission power
Value is bigger；Then just can according to the transmission powers of up needs and with apart from corresponding maximum transmission power, calculating is set out
The transmission signal power of signal is penetrated, and then according to the transmission of transmission signal power progress signal.In present terminal and user's head
The distance between it is larger when, larger with apart from corresponding maximum transmission power, the value of the SAR produced by terminal is larger, but
It is smaller with apart from corresponding maximum transmission power when present terminal and smaller the distance between user's head, produced by terminal
SAR value is smaller, so that the value of the SAR produced by dynamically have adjusted terminal, while the radiation to human body is reduced, it is ensured that eventually
The speech quality of the signal at end, it is to avoid transmission power when sending signal due to terminal in the prior art is relatively low, caused by
Poor signal, the signal to noise ratio of terminal are low, networking speed is slow, noise is big when converse at a distance and the problems such as many conversation noises,
Improve experience during user's using terminal.
It should be appreciated that the general description of the above and detailed description hereinafter are only exemplary and explanatory, not
The disclosure can be limited.
Brief description of the drawings
Accompanying drawing herein is merged in specification and constitutes the part of this specification, shows the implementation for meeting the present invention
Example, and for explaining principle of the invention together with specification.
Fig. 1 is a kind of flow of the processing method embodiment one of reduction terminal SAR according to an exemplary embodiment
Figure；
Fig. 2 is a kind of flow of the processing method embodiment two of reduction terminal SAR according to an exemplary embodiment
Figure；
Fig. 3 is the hair in the processing method embodiment two of reduction terminal SAR according to an exemplary embodiment a kind of
Penetrate the schematic diagram of power bracket；
Fig. 4 is a kind of block diagram of the processing unit embodiment three of reduction terminal SAR according to an exemplary embodiment；
Fig. 5 is a kind of block diagram of the processing unit example IV of reduction terminal SAR according to an exemplary embodiment；
Fig. 6 is a kind of block diagram of the entity of terminal according to an exemplary embodiment；
Fig. 7 is a kind of block diagram of terminal device 800 according to an exemplary embodiment.
Embodiment
Here exemplary embodiment will be illustrated in detail, its example is illustrated in the accompanying drawings.Following description is related to
During accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawings represent same or analogous key element.Following exemplary embodiment
Described in embodiment do not represent and the consistent all embodiments of the present invention.On the contrary, they be only with it is such as appended
The example of the consistent apparatus and method of some aspects be described in detail in claims, the present invention.
Fig. 1 is a kind of flow of the processing method embodiment one of reduction terminal SAR according to an exemplary embodiment
Figure, as shown in figure 1, reduction terminal SAR processing method is used in terminal, terminal includes personal terminal, mobile terminal, for example
Smart mobile phone etc., reduction terminal SAR processing method comprises the following steps.
In step s 11, the distance between detection present terminal and user's head, it is determined that with described apart from corresponding maximum
Transmission power.
In this step, terminal detects the distance between present terminal and user's head, and then terminal is determined with being somebody's turn to do
Apart from the maximum transmission power of corresponding terminal.Present terminal and the distance between user's head are nearer, maximum transmission power
Performance number is smaller, and present terminal and the distance between user's head are more remote, and the performance number of maximum transmission power is bigger.
In step s 12, it is determined that send signal when up needs transmission power.
Wherein, step S12 specific implementation is：
According to downstream signal, the transmission power of up needs when sending signal is calculated.
In this step, terminal calculates the transmission power of up needs when sending signal, and specifically, terminal can be sent out
Acquisition downstream signal during signal is penetrated, the transmission power of up needs when sending signal is then calculated according to downstream signal.
In step s 13, according to the transmission power of the up needs and with described apart from corresponding emission maximum work(
Rate, determines the transmission signal power of transmission signal, to carry out the transmission of signal according to transmission signal power.
In this step, then, terminal just can according to the transmission powers of up needs and with apart from corresponding maximum
Transmission power, is compared after judgement, determines the transmission signal power of transmission signal, and then terminal just can be according to transmitting
Signal power carries out the transmission of signal.
The present embodiment by detecting the distance between present terminal and user's head, it is determined that with apart from corresponding emission maximum
Power；It is determined that send signal when up needs transmission power；According to the transmission power of up needs and with apart from corresponding
Maximum transmission power, determines the transmission signal power of transmission signal, to carry out the transmission of signal according to transmission signal power.So as to
Can according to the distance between present terminal and user's head, go to determine with apart from corresponding maximum transmission power, so as to
To adjust the performance number of transmission signal according to the distance between present terminal and user's head dynamic, in the transmission process of signal
In, present terminal and the distance between user's head are nearer, and the performance number of maximum transmission power is smaller, and present terminal is with using account
The distance between portion is more remote, and the performance number of maximum transmission power is bigger；Then just can according to the transmission powers of up needs, with
And with apart from corresponding maximum transmission power, calculating the transmission signal power of transmission signal, and then according to transmission signal power
Carry out the transmission of signal.When distance between present terminal and user's head is larger, and apart from corresponding maximum transmission power
Larger, the value of the SAR produced by terminal is larger, but the distance between present terminal and user's head it is smaller when, with distance
Corresponding maximum transmission power is smaller, and the value of the SAR produced by terminal is smaller, so that dynamic have adjusted the SAR produced by terminal
Value, while reducing to the radiation of human body, it is ensured that the speech quality of the signal of terminal, it is to avoid in the prior art due to end
End send signal when transmission power it is relatively low, caused by terminal poor signal, signal to noise ratio it is low, networking speed is slow, carry out is remote
The problems such as noise is greatly during distance call and conversation noise is more, improves experience during user's using terminal.
On the basis of the embodiment shown in above-mentioned Fig. 1, Fig. 2 is that a kind of reduction according to an exemplary embodiment is whole
The flow chart of SAR processing method embodiment two is held, as shown in Fig. 2 step S11, is specifically included：
In step S111, by the distance-sensor on present terminal, between detection present terminal and user's head
Distance.
In this step, distance-sensor is provided with terminal, it is necessary to open the distance-sensor, present terminal can be with
Go above detecting distance inductor whether to block by distance-sensor, and the distance blocked, so as to judge current end
The distance between end and user's head.
In step S112, according to corresponding relation between default distance and maximum transmission power, it is determined that with the distance
Corresponding maximum transmission power.
It is preferred that, the corresponding relation is corresponding relation between default distance, terminal models and maximum transmission power；
Then, step S112 specific implementation is：
According to corresponding relation between default distance, terminal models and maximum transmission power, determine present terminal with institute
State apart from corresponding maximum transmission power.
In this step, be stored with corresponding relation between distance and maximum transmission power in terminal, so that terminal can root
According to the distance between present terminal and user's head judged in step S111, according to the distance and maximum transmission power of storage
Between corresponding relation, find out with apart from corresponding maximum transmission power.
Specifically, the corresponding relation is corresponding relation between default distance, terminal models and maximum transmission power, from
And set up the corresponding relation of different distances, different terminal models and different maximum transmission power.Terminal can basis
The distance between present terminal for judging in step S111 and user's head, and present terminal terminal models, find out
Present terminal with apart from corresponding maximum transmission power.
For example, the distance between distance-sensor detection terminal and user's head of terminal L1, then distance
Value L1 is sent to the central processing unit (Central Processing Unit, abbreviation CPU) of terminal, during the CPU of terminal is searched
The look-up table of the corresponding relation of storage in read-only storage (Read-Only Memory, abbreviation ROM), terminal can be according to step
The distance between the present terminal judged in S111 and user's head L1, and present terminal terminal models X1, find out
Present terminal with apart from corresponding maximum transmission power C1, then can just to generate power control word i.e. power non-volatile for terminal
Property memory (Non-volatile memory, abbreviation NV), and then realize dynamic adjustment modem (Modem, referred to as
Modem) transmission power signal.Or, the distance between the distance-sensor of terminal detection terminal and user's head L2, then
The value L2 of distance is sent to the look-up table of the corresponding relation stored in the CPU of terminal, the ROM in terminal volume CPU lookups, and terminal can
With the terminal models according to the distance between the present terminal and user's head judged in step S111 L2, and present terminal
X2, find out present terminal with apart from corresponding maximum transmission power C2, then terminal just can generate power control word i.e.
Power NV, and then realize dynamic adjustment Modem transmission power signals.
Step S13, is specifically included：
Judge the transmission power of the up needs, if more than or equal to described apart from corresponding maximum transmission power；
If being more than or equal to, it is determined that with it is described apart from corresponding maximum transmission power be transmission signal power, with according to hair
Penetrate the transmission that signal power carries out signal；
If being less than, it is determined that the transmission power of up needs is transmission signal power, to be carried out according to transmission signal power
The transmission of signal.
It is preferred that, step S13 specific implementation is：
According to the transmission power of the up needs, with it is described apart from corresponding maximum transmission power and it is default work as
The transmission power scope of preceding terminal, determine the up needs transmission power whether be more than or equal to it is described apart from it is corresponding most
Big transmission power and the maximum for being less than transmission power scope；
If the transmission power of the up needs is more than or equal to described apart from corresponding maximum transmission power and less than hair
Penetrate the maximum of power bracket, it is determined that with it is described apart from corresponding maximum transmission power be transmission signal power, with according to hair
Penetrate the transmission that signal power carries out signal；
If the transmission power of the up needs be less than it is described with apart from corresponding maximum transmission power and more than or equal to sending out
Penetrate the minimum value of power bracket, it is determined that the transmission power of up needs is transmission signal power, with according to transmission signal power
Carry out the transmission of signal.
In this step, terminal judges the transmission power of up needs, if sent out more than or equal to apart from corresponding maximum
Penetrate power.If the transmission power of up needs be more than or equal to apart from corresponding maximum transmission power, terminal can determine this
With apart from corresponding maximum transmission power be transmission signal power, and then terminal can according to the transmission signal power carry out signal
Transmission；If the transmission power of up needs be less than with apart from corresponding maximum transmission power, terminal can determine up need
The transmission power wanted is transmission signal power, and then terminal can carry out the transmission of signal according to the transmission signal power.
Specifically, terminal is the intensity of the downstream signal received according to downlink, to determine on during transmission signal
The transmission power that row needs.Fig. 3 is the processing method embodiment of reduction terminal SAR according to an exemplary embodiment a kind of
The schematic diagram of transmission power scope in two, as shown in figure 3, terminal has a transmission power scope [A, B], the transmission power
Scope covers the minimum value of the transmission power of permission, the minimum value of transmission power；Wherein, A is the minimum value of transmission power scope,
B is the maximum of transmission power scope.Terminal according to the transmission powers of up needs, present terminal with apart from corresponding maximum
Transmission power C and default present terminal transmission power scope [A, B], in communication process, terminal determines up needs
Transmission power whether be more than or equal to apart from corresponding maximum transmission power C and less than transmission power scope minimum value B.
If the transmission power of up needs be more than or equal to apart from corresponding maximum transmission power C and less than transmission power scope most
Small value B, it is known that the transmission power of up needs is determined that with launching apart from corresponding maximum transmission power C between C and B
Signal power, with according to transmission signal power carry out signal transmission, that is, determine up needs transmission power meter exceed with away from
From corresponding maximum transmission power C, then C values are chosen, transmission signal power is used as equivalent to C values.If the transmitting work(of up needs
Rate be less than with apart from corresponding maximum transmission power C and more than or equal to transmission power scope minimum value A, it is known that up needs
Transmission power between A and C, determine that up needs transmission power be transmission signal power, with according to transmission signal work(
Rate carry out signal transmission, that is, determine up needs transmission power meter be not above with apart from corresponding maximum transmission power C,
The transmission of signal is then still carried out with the transmission power of up needs.
So as to when user's using terminal is conversed, according to the distance between terminal and user's head, what terminal allowed
Transmission signal power dynamics.
Understand, with being close to transmitting work(when user's head is used for terminal in call apart from corresponding maximum transmission power C
Rate maximum.Maximum transmission power C wherein corresponding with different distance, can be tested by laboratory SAR and determined, in test
In, the distance between terminal and user's head are determined, the value of maximum transmission power is manually adjusted, is sequentially reduced from maximum, when subtracting
It is small to when meeting the SAR value upper limit, the value as, terminal corresponding with current distance close to user's head when the maximum that allows of terminal
Transmission power C.
The present embodiment by detecting the distance between present terminal and user's head, it is determined that with apart from corresponding emission maximum
Power；It is determined that send signal when up needs transmission power；Judge the transmission power of up needs, if more than or equal to away from
From corresponding maximum transmission power；If being more than or equal to, it is determined that with apart from corresponding maximum transmission power be transmission signal power,
To carry out the transmission of signal according to transmission signal power；If being less than, it is determined that the transmission power of up needs is transmission signal work(
Rate, to carry out the transmission of signal according to transmission signal power.So as to according to the distance between present terminal and user's head,
Go to determine with apart from corresponding maximum transmission power, so as to according to the distance between present terminal and user's head dynamic
The performance number of transmission signal is adjusted, in the transmission process of signal, present terminal and the distance between user's head are nearer, it is maximum
The performance number of transmission power is smaller, and present terminal and the distance between user's head are more remote, and the performance number of maximum transmission power is got over
Greatly；Then up needs transmission power be more than or equal to apart from corresponding maximum transmission power when, with apart from corresponding
Maximum transmission power goes to send signal, when the transmission power of up needs is less than with apart from corresponding maximum transmission power, with
The transmission power of up needs is gone to send signal, it is possible to achieve transmission signal power is dynamically adjusted.In present terminal with using account
When the distance between portion is larger, larger with apart from corresponding maximum transmission power, the value of the SAR produced by terminal is larger, still
It is smaller with apart from corresponding maximum transmission power when distance between present terminal and user's head is smaller, produced by terminal
SAR value it is smaller so that dynamic have adjusted the value of the SAR produced by terminal, while the radiation to human body is reduced, it is ensured that
The speech quality of the signal of terminal, it is to avoid transmission power when sending signal due to terminal in the prior art is relatively low, and causes
Terminal poor signal, signal to noise ratio it is low, networking speed is slow, noise is big and conversation noise is more when converse at a distance etc. asks
Topic, improves experience during user's using terminal.
Fig. 4 is a kind of block diagram of the processing unit embodiment three of reduction terminal SAR according to an exemplary embodiment.
Reference picture 4, the device includes：
Detection module 31, is configured as the distance between detection present terminal and user's head, it is determined that with described apart from right
The maximum transmission power answered；
Determining module 32, is configured to determine that the transmission power of up needs when sending signal；
Adjusting module 33, be configured as according to the transmission powers of the up needs and with it is described apart from it is corresponding most
Big transmission power, determines the transmission signal power of transmission signal, to carry out the transmission of signal according to transmission signal power.
The determining module 32, is specifically configured to：
According to downstream signal, the transmission power of up needs when sending signal is calculated.
On the device in above-described embodiment, wherein modules perform the concrete mode of operation in relevant this method
Embodiment one in be described in detail, explanation will be not set forth in detail herein.
The present embodiment by detecting the distance between present terminal and user's head, it is determined that with apart from corresponding emission maximum
Power；It is determined that send signal when up needs transmission power；According to the transmission power of up needs and with apart from corresponding
Maximum transmission power, determines the transmission signal power of transmission signal, to carry out the transmission of signal according to transmission signal power.So as to
Can according to the distance between present terminal and user's head, go to determine with apart from corresponding maximum transmission power, so as to
To adjust the performance number of transmission signal according to the distance between present terminal and user's head dynamic, in the transmission process of signal
In, present terminal and the distance between user's head are nearer, and the performance number of maximum transmission power is smaller, and present terminal is with using account
The distance between portion is more remote, and the performance number of maximum transmission power is bigger；Then just can according to the transmission powers of up needs, with
And with apart from corresponding maximum transmission power, calculating the transmission signal power of transmission signal, and then according to transmission signal power
Carry out the transmission of signal.When distance between present terminal and user's head is larger, and apart from corresponding maximum transmission power
Larger, the value of the SAR produced by terminal is larger, but the distance between present terminal and user's head it is smaller when, with distance
Corresponding maximum transmission power is smaller, and the value of the SAR produced by terminal is smaller, so that dynamic have adjusted the SAR produced by terminal
Value, while reducing to the radiation of human body, it is ensured that the speech quality of the signal of terminal, it is to avoid in the prior art due to end
End send signal when transmission power it is relatively low, caused by terminal poor signal, signal to noise ratio it is low, networking speed is slow, carry out is remote
The problems such as noise is greatly during distance call and conversation noise is more, improves experience during user's using terminal.
On the basis of the embodiment shown in above-mentioned Fig. 4, Fig. 5 is that a kind of reduction according to an exemplary embodiment is whole
Hold the block diagram of SAR processing unit example IV.Reference picture 5, the adjusting module 33, is specifically configured to：
Judge the transmission power of the up needs, if more than or equal to described apart from corresponding maximum transmission power；
If being more than or equal to, it is determined that with it is described apart from corresponding maximum transmission power be transmission signal power, with according to hair
Penetrate the transmission that signal power carries out signal；
If being less than, it is determined that the transmission power of up needs is transmission signal power, to be carried out according to transmission signal power
The transmission of signal.
The adjusting module 33, is specifically configured to：
According to the transmission power of the up needs, with it is described apart from corresponding maximum transmission power and it is default work as
The transmission power scope of preceding terminal, determine the up needs transmission power whether be more than or equal to it is described apart from it is corresponding most
Big transmission power and the maximum for being less than transmission power scope；
If the transmission power of the up needs is more than or equal to described apart from corresponding maximum transmission power and less than hair
Penetrate the maximum of power bracket, it is determined that with it is described apart from corresponding maximum transmission power be transmission signal power, with according to hair
Penetrate the transmission that signal power carries out signal；
If the transmission power of the up needs be less than it is described with apart from corresponding maximum transmission power and more than or equal to sending out
Penetrate the minimum value of power bracket, it is determined that the transmission power of up needs is transmission signal power, with according to transmission signal power
Carry out the transmission of signal.
The detection module 31, including：
Detection sub-module 311, is configured as by the distance-sensor on present terminal, detection present terminal is with using account
The distance between portion；
Determination sub-module 312, is configured as according to corresponding relation between default distance and maximum transmission power, it is determined that with
It is described apart from corresponding maximum transmission power.
The corresponding relation is corresponding relation between default distance, terminal models and maximum transmission power；It is described to determine
Submodule 312, is specifically configured to：
According to corresponding relation between default distance, terminal models and maximum transmission power, determine present terminal with institute
State apart from corresponding maximum transmission power.
On the device in above-described embodiment, wherein modules perform the concrete mode of operation in relevant this method
Embodiment two in be described in detail, explanation will be not set forth in detail herein.
The present embodiment by detecting the distance between present terminal and user's head, it is determined that with apart from corresponding emission maximum
Power；It is determined that send signal when up needs transmission power；Judge the transmission power of up needs, if more than or equal to away from
From corresponding maximum transmission power；If being more than or equal to, it is determined that with apart from corresponding maximum transmission power be transmission signal power,
To carry out the transmission of signal according to transmission signal power；If being less than, it is determined that the transmission power of up needs is transmission signal work(
Rate, to carry out the transmission of signal according to transmission signal power.So as to according to the distance between present terminal and user's head,
Go to determine with apart from corresponding maximum transmission power, so as to according to the distance between present terminal and user's head dynamic
The performance number of transmission signal is adjusted, in the transmission process of signal, present terminal and the distance between user's head are nearer, it is maximum
The performance number of transmission power is smaller, and present terminal and the distance between user's head are more remote, and the performance number of maximum transmission power is got over
Greatly；Then up needs transmission power be more than or equal to apart from corresponding maximum transmission power when, with apart from corresponding
Maximum transmission power goes to send signal, when the transmission power of up needs is less than with apart from corresponding maximum transmission power, with
The transmission power of up needs is gone to send signal, it is possible to achieve transmission signal power is dynamically adjusted.In present terminal with using account
When the distance between portion is larger, larger with apart from corresponding maximum transmission power, the value of the SAR produced by terminal is larger, still
It is smaller with apart from corresponding maximum transmission power when distance between present terminal and user's head is smaller, produced by terminal
SAR value it is smaller so that dynamic have adjusted the value of the SAR produced by terminal, while the radiation to human body is reduced, it is ensured that
The speech quality of the signal of terminal, it is to avoid transmission power when sending signal due to terminal in the prior art is relatively low, and causes
Terminal poor signal, signal to noise ratio it is low, networking speed is slow, noise is big and conversation noise is more when converse at a distance etc. asks
Topic, improves experience during user's using terminal.
Fig. 6 is a kind of block diagram of the entity of terminal according to an exemplary embodiment.Reference picture 6, the terminal can be with
It is implemented as：Processor 51, and it is configured as storing the memory 52 of processor-executable instruction；
Wherein, the processor 51 is configured as：Detect the distance between present terminal and user's head, it is determined that with it is described
Apart from corresponding maximum transmission power；It is determined that send signal when up needs transmission power；According to the hair of the up needs
Penetrate power and with described apart from corresponding maximum transmission power, the transmission signal power of transmission signal is determined, with according to transmitting
Signal power carries out the transmission of signal.
In the above-described embodiments, it should be appreciated that the processor can be CPU (English：Central
Processing Unit, referred to as：CPU), it can also be other general processors, digital signal processor (English：Digital
Signal Processor, referred to as：DSP), application specific integrated circuit (English：Application Specific Integrated
Circuit, referred to as：ASIC) etc..General processor can be microprocessor or the processor can also be any conventional place
Device etc. is managed, and foregoing memory can be read-only storage (English：Read-only memory, abbreviation：ROM), deposit at random
Access to memory (English：Random access memory, referred to as：RAM), flash memory, hard disk or solid state hard disc.SIM
Card is also referred to as subscriber identification card, smart card, and digital mobile telephone must load onto this card and can use.I.e. in computer chip
On store the information of digital mobile phone client, the content such as the key of encryption and the telephone directory of user.With reference to of the invention real
The step of applying the method disclosed in example can be embodied directly in hardware processor and perform completion, or with the hardware in processor and
Software module combination performs completion.
On the terminal in above-described embodiment, wherein modules perform the concrete mode of operation in relevant this method
It is described in detail with the embodiment of device, explanation will be not set forth in detail herein.
The present embodiment by detecting the distance between present terminal and user's head, it is determined that with apart from corresponding emission maximum
Power；It is determined that send signal when up needs transmission power；According to the transmission power of up needs and with apart from corresponding
Maximum transmission power, determines the transmission signal power of transmission signal, to carry out the transmission of signal according to transmission signal power.So as to
Can according to the distance between present terminal and user's head, go to determine with apart from corresponding maximum transmission power, so as to
To adjust the performance number of transmission signal according to the distance between present terminal and user's head dynamic, in the transmission process of signal
In, present terminal and the distance between user's head are nearer, and the performance number of maximum transmission power is smaller, and present terminal is with using account
The distance between portion is more remote, and the performance number of maximum transmission power is bigger；Then just can according to the transmission powers of up needs, with
And with apart from corresponding maximum transmission power, calculating the transmission signal power of transmission signal, and then according to transmission signal power
Carry out the transmission of signal.When distance between present terminal and user's head is larger, and apart from corresponding maximum transmission power
Larger, the value of the SAR produced by terminal is larger, but the distance between present terminal and user's head it is smaller when, with distance
Corresponding maximum transmission power is smaller, and the value of the SAR produced by terminal is smaller, so that dynamic have adjusted the SAR produced by terminal
Value, while reducing to the radiation of human body, it is ensured that the speech quality of the signal of terminal, it is to avoid in the prior art due to end
End send signal when transmission power it is relatively low, caused by terminal poor signal, signal to noise ratio it is low, networking speed is slow, carry out is remote
The problems such as noise is greatly during distance call and conversation noise is more, improves experience during user's using terminal.
Fig. 7 is a kind of block diagram of terminal device 800 according to an exemplary embodiment.For example, terminal device 800 can
To be mobile phone, computer, digital broadcast terminal, messaging devices, game console, tablet device, Medical Devices are good for
Body equipment, personal digital assistant etc..
Reference picture 7, terminal device 800 can include following one or more assemblies：Processing assembly 802, memory 804,
Power supply module 806, multimedia groupware 808, audio-frequency assembly 810, the interface 812 of input/output (I/O), sensor cluster 814,
And communication component 816.
The integrated operation of the usual control terminal equipment 800 of processing assembly 802, such as with display, call, data are led to
Letter, the camera operation operation associated with record operation.Processing assembly 802 can include one or more processors 820 to hold
Row instruction, to complete all or part of step of above-mentioned method.In addition, processing assembly 802 can include one or more moulds
Block, is easy to the interaction between processing assembly 802 and other assemblies.For example, processing assembly 802 can include multi-media module, with
Facilitate the interaction between multimedia groupware 808 and processing assembly 802.
Memory 804 is configured as storing various types of data supporting the operation in terminal device 800.These data
Example include the instruction of any application program or method for being used to operate on terminal device 800, contact data, telephone directory
Data, message, picture, video etc..Memory 804 can by any kind of volatibility or non-volatile memory device or it
Combination realize that such as static RAM (SRAM), Electrically Erasable Read Only Memory (EEPROM) is erasable
Except programmable read only memory (EPROM), programmable read only memory (PROM), read-only storage (ROM), magnetic memory, soon
Flash memory, disk or CD.
Power supply module 806 provides electric power for the various assemblies of terminal device 800.Power supply module 806 can include power supply pipe
Reason system, one or more power supplys, and other components associated with generating, managing and distributing electric power for terminal device 800.
Multimedia groupware 808 is included in the screen of one output interface of offer between the terminal device 800 and user.
In certain embodiments, screen can include liquid crystal display (LCD) and touch panel (TP).If screen includes touch surface
Plate, screen may be implemented as touch-screen, to receive the input signal from user.Touch panel includes one or more touch
Sensor is with the gesture on sensing touch, slip and touch panel.The touch sensor can not only sensing touch or slip
The border of action, but also the detection duration related to the touch or slide and pressure.In certain embodiments,
Multimedia groupware 808 includes a front camera and/or rear camera.When terminal device 800 is in operator scheme, such as clap
When taking the photograph pattern or video mode, front camera and/or rear camera can receive the multi-medium data of outside.It is each preposition
Camera and rear camera can be a fixed optical lens systems or with focusing and optical zoom capabilities.
Audio-frequency assembly 810 is configured as output and/or input audio signal.For example, audio-frequency assembly 810 includes a Mike
Wind (MIC), when terminal device 800 is in operator scheme, when such as call model, logging mode and speech recognition mode, microphone
It is configured as receiving external audio signal.The audio signal received can be further stored in memory 804 or via logical
Letter component 816 is sent.In certain embodiments, audio-frequency assembly 810 also includes a loudspeaker, for exports audio signal.
I/O interfaces 812 is provide interface between processing assembly 802 and peripheral interface module, above-mentioned peripheral interface module can
To be keyboard, click wheel, button etc..These buttons may include but be not limited to：Home button, volume button, start button and lock
Determine button.
Sensor cluster 814 includes one or more sensors, the state for providing various aspects for terminal device 800
Assess.For example, sensor cluster 814 can detect opening/closed mode of terminal device 800, the relative positioning of component, example
As described component be terminal device 800 display and keypad, sensor cluster 814 can also detect terminal device 800 or
The position of 800 1 components of terminal device changes, the existence or non-existence that user contacts with terminal device 800, terminal device 800
The temperature change of orientation or acceleration/deceleration and terminal device 800.Sensor cluster 814 can include proximity transducer, be configured
For the presence of object near being detected in not any physical contact.Sensor cluster 814 can also include optical sensor,
Such as CMOS or ccd image sensor, for being used in imaging applications.In certain embodiments, the sensor cluster 814 may be used also
With including acceleration transducer, gyro sensor, Magnetic Sensor, pressure sensor or temperature sensor.
Communication component 816 is configured to facilitate the communication of wired or wireless way between terminal device 800 and other equipment.
Terminal device 800 can access the wireless network based on communication standard, such as WiFi, 2G or 3G, or combinations thereof.Show at one
In example property embodiment, communication component 816 receives broadcast singal or broadcast from external broadcasting management system via broadcast channel
Relevant information.In one exemplary embodiment, the communication component 816 also includes near-field communication (NFC) module, short to promote
Cheng Tongxin.For example, radio frequency identification (RFID) technology, Infrared Data Association (IrDA) technology, ultra wide band can be based in NFC module
(UWB) technology, bluetooth (BT) technology and other technologies are realized.
In the exemplary embodiment, terminal device 800 can be by one or more application specific integrated circuits (ASIC), number
Word signal processor (DSP), digital signal processing appts (DSPD), PLD (PLD), field programmable gate array
(FPGA), controller, microcontroller, microprocessor or other electronic components are realized, for performing the above method.
In the exemplary embodiment, a kind of non-transitorycomputer readable storage medium including instructing, example are additionally provided
Such as include the memory 804 of instruction, above-mentioned instruction can be performed to complete the above method by the processor 820 of terminal device 800.Example
Such as, the non-transitorycomputer readable storage medium can be ROM, it is random access memory (RAM), CD-ROM, tape, soft
Disk and optical data storage devices etc..
A kind of non-transitorycomputer readable storage medium, when the instruction in the storage medium is by the processing of mobile terminal
When device is performed so that mobile terminal is able to carry out a kind of reduction terminal SAR processing method, methods described includes：
The distance between present terminal and user's head are detected, it is determined that with described apart from corresponding maximum transmission power；
It is determined that send signal when up needs transmission power；
According to the transmission power of the up needs and with described apart from corresponding maximum transmission power, it is determined that transmitting
The transmission signal power of signal, to carry out the transmission of signal according to transmission signal power.
Those skilled in the art will readily occur to its of the present invention after considering specification and putting into practice invention disclosed herein
Its embodiment.The application be intended to the present invention any modification, purposes or adaptations, these modifications, purposes or
Person's adaptations follow the general principle of the present invention and including the undocumented common knowledge in the art of the disclosure
Or conventional techniques.Description and embodiments are considered only as exemplary, and true scope and spirit of the invention are by following
Claim is pointed out.
It should be appreciated that the invention is not limited in the precision architecture for being described above and being shown in the drawings, and
And various modifications and changes can be being carried out without departing from the scope.The scope of the present invention is only limited by appended claim.
Claims (13)
1. a kind of reduce terminal SAR processing method, it is characterised in that including：
The distance between present terminal and user's head are detected, it is determined that with described apart from corresponding maximum transmission power；
It is determined that send signal when up needs transmission power；
According to the transmission power of the up needs and with described apart from corresponding maximum transmission power, transmission signal is determined
Transmission signal power, with according to transmission signal power carry out signal transmission.
2. according to the method described in claim 1, it is characterised in that the transmission power according to the up needs and
The transmission signal power of transmission signal is determined apart from corresponding maximum transmission power with described, to enter according to transmission signal power
The transmission of row signal, including：
Judge the transmission power of the up needs, if more than or equal to described apart from corresponding maximum transmission power；
If being more than or equal to, it is determined that with it is described apart from corresponding maximum transmission power be transmission signal power, with according to transmitting believe
Number power carries out the transmission of signal；
If being less than, it is determined that the transmission power of up needs is transmission signal power, to carry out signal according to transmission signal power
Transmission.
3. method according to claim 2, it is characterised in that the transmission power of the judgement up needs, if
More than or equal to described apart from corresponding maximum transmission power；If being more than or equal to, it is determined that with described apart from corresponding maximum hair
Power is penetrated for transmission signal power, to carry out the transmission of signal according to transmission signal power；If being less than, it is determined that up needs
Transmission power is transmission signal power, to carry out the transmission of signal according to transmission signal power, including：
According to the transmission power of the up needs, with described apart from corresponding maximum transmission power and default current end
The transmission power scope at end, determines whether the transmission power of the up needs is more than or equal to described apart from corresponding maximum hair
Penetrate power and less than the maximum of transmission power scope；
If the transmission power of the up needs is more than or equal to described apart from corresponding maximum transmission power and less than transmitting work(
The maximum of rate scope, it is determined that with it is described apart from corresponding maximum transmission power be transmission signal power, with according to transmitting believe
Number power carries out the transmission of signal；
If the transmission power of the up needs be less than it is described with apart from corresponding maximum transmission power and more than or equal to launching work(
The minimum value of rate scope, it is determined that the transmission power of up needs is transmission signal power, to be carried out according to transmission signal power
The transmission of signal.
4. according to the method described in claim 1, it is characterised in that between the detection present terminal and user's head away from
From, it is determined that with described apart from corresponding maximum transmission power, including：
Pass through the distance-sensor on present terminal, the distance between detection present terminal and user's head；
According to corresponding relation between default distance and maximum transmission power, it is determined that with described apart from corresponding emission maximum work(
Rate.
5. method according to claim 4, it is characterised in that the corresponding relation be default distance, terminal models with
Corresponding relation between maximum transmission power；
It is described according to corresponding relation between default distance and maximum transmission power, it is determined that with described apart from corresponding emission maximum
Power, including：
According to corresponding relation between default distance, terminal models and maximum transmission power, determine present terminal with it is described away from
From corresponding maximum transmission power.
6. the method according to claim any one of 1-5, it is characterised in that up needs when the determination sends signal
Transmission power, including：
According to downstream signal, the transmission power of up needs when sending signal is calculated.
7. a kind of reduce terminal SAR processing unit, it is characterised in that including：
Detection module, is configured as the distance between detection present terminal and user's head, it is determined that with it is described apart from it is corresponding most
Big transmission power；
Determining module, is configured to determine that the transmission power of up needs when sending signal；
Adjusting module, is configured as according to the transmission power of the up needs and with described apart from corresponding emission maximum
Power, determines the transmission signal power of transmission signal, to carry out the transmission of signal according to transmission signal power.
8. device according to claim 7, it is characterised in that the adjusting module, is specifically configured to：
Judge the transmission power of the up needs, if more than or equal to described apart from corresponding maximum transmission power；
If being more than or equal to, it is determined that with it is described apart from corresponding maximum transmission power be transmission signal power, with according to transmitting believe
Number power carries out the transmission of signal；
If being less than, it is determined that the transmission power of up needs is transmission signal power, to carry out signal according to transmission signal power
Transmission.
9. device according to claim 8, it is characterised in that the adjusting module, is specifically configured to：
According to the transmission power of the up needs, with described apart from corresponding maximum transmission power and default current end
The transmission power scope at end, determines whether the transmission power of the up needs is more than or equal to described apart from corresponding maximum hair
Penetrate power and less than the maximum of transmission power scope；
If the transmission power of the up needs is more than or equal to described apart from corresponding maximum transmission power and less than transmitting work(
The maximum of rate scope, it is determined that with it is described apart from corresponding maximum transmission power be transmission signal power, with according to transmitting believe
Number power carries out the transmission of signal；
If the transmission power of the up needs be less than it is described with apart from corresponding maximum transmission power and more than or equal to launching work(
The minimum value of rate scope, it is determined that the transmission power of up needs is transmission signal power, to be carried out according to transmission signal power
The transmission of signal.
10. device according to claim 7, it is characterised in that the detection module, including：
Detection sub-module, is configured as by the distance-sensor on present terminal, between detection present terminal and user's head
Distance；
Determination sub-module, is configured as according to corresponding relation between default distance and maximum transmission power, it is determined that with it is described away from
From corresponding maximum transmission power.
11. device according to claim 10, it is characterised in that the corresponding relation is default distance, terminal models
The corresponding relation between maximum transmission power；
The determination sub-module, is specifically configured to：
According to corresponding relation between default distance, terminal models and maximum transmission power, determine present terminal with it is described away from
From corresponding maximum transmission power.
12. the device according to claim any one of 7-11, it is characterised in that the determining module, is specifically configured to：
According to downstream signal, the transmission power of up needs when sending signal is calculated.
13. a kind of terminal, it is characterised in that including：
Processor, and for storing the memory of processor-executable instruction；
Wherein, the processor is configured as：The distance between present terminal and user's head are detected, it is determined that with described apart from right
The maximum transmission power answered；It is determined that send signal when up needs transmission power；According to the transmission power of the up needs,
And the transmission signal power of transmission signal is determined, apart from corresponding maximum transmission power with according to transmission signal work(with described
Rate carries out the transmission of signal.
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| CN201710379337.1A CN107231682A (en) | 2017-05-25 | 2017-05-25 | Reduce terminal SAR processing method, device and terminal |
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|---|---|---|---|
| CN201710379337.1A CN107231682A (en) | 2017-05-25 | 2017-05-25 | Reduce terminal SAR processing method, device and terminal |
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