CN106899320A - A kind of method for reducing SAR value, system, mobile terminal and storage device - Google Patents
A kind of method for reducing SAR value, system, mobile terminal and storage device Download PDFInfo
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- CN106899320A CN106899320A CN201710262778.3A CN201710262778A CN106899320A CN 106899320 A CN106899320 A CN 106899320A CN 201710262778 A CN201710262778 A CN 201710262778A CN 106899320 A CN106899320 A CN 106899320A
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- mobile terminal
- radio frequency
- sar value
- head
- reduction
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/3827—Portable transceivers
- H04B1/3833—Hand-held transceivers
- H04B1/3838—Arrangements for reducing RF exposure to the user, e.g. by changing the shape of the transceiver while in use
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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
- H04W52/28—TPC being performed according to specific parameters using user profile, e.g. mobile speed, priority or network state, e.g. standby, idle or non transmission
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Telephone Function (AREA)
Abstract
The invention discloses a kind of method for reducing SAR value, system, mobile terminal and storage device, by whether detecting mobile terminal near user's head, if it has, then keeping normal Conducted Radio Frequency power；If it has not, then by the reduction of Conducted Radio Frequency power；Body SAR application scenarios and head part S AR application scenarios are distinguish between, the mobile terminal is allowed voluntarily to carry out Conducted Radio Frequency power dynamic control for different application scene, so as to reach the purpose of drop SAR, reduce the electromagnetic radiation to user's body, so that mobile terminal meets SAR standards, bring great convenience.
Description
Technical field
The present invention relates to field of mobile terminals, more particularly to a kind of method for reducing SAR value, system, mobile terminal and deposit
Storage device.
Background technology
Mobile terminal, including for example electronic equipment such as mobile phone, panel computer.In daily life, what people commonly used is to move
Dynamic terminal, you can with the computer equipment used in movement, its mobility is mainly reflected in mobile communication ability and portability
Volume.Include that mobile phone, notebook, POS even include vehicle-mounted computer in a broad sense.
For mobile terminal, for example product such as mobile phone, panel computer, because people are high in time using the frequency of these products
Between it is long, it is often desirable to radiation injury is the smaller the better, that is, require that SAR value is low.Wish that mobile terminal has again simultaneously good
Radiance, i.e. signal are good.Especially SAR in recent years（Specific Absorption Rate, mean electromagnetic wave absorption rate
Or specific absorption rate.It is the specific absorption rate value of mobile phone or wireless product, it is defined as：In the presence of external electromagnetic field,
Induction field will be produced in human body）Certification regulation updates, and it is tightened up that SAR tests become, by taking mobile phone as an example, in mobile phone productses
In, Body SAR face unsuccessfully dangerous in usual CE certifications, and Head SAR can typically meet requirement, that is, there is mobile phone
To user's body SAR is exceeded and situation that head part S AR is not exceeded, so body to user brings exceeded electromagnetic radiation
Influence, product does not meet SAR standards yet, brings greatly inconvenience.
Thus prior art could be improved and improve.
The content of the invention
In view of above-mentioned the deficiencies in the prior art part, it is an object of the invention to provide a kind of mobile terminal reduction SAR value
Method, system, mobile terminal and storage device, it is intended to the body SAR for solving existing mobile terminal is exceeded and head part S AR does not surpass
Target problem.
In order to achieve the above object, this invention takes following technical scheme：
A kind of method of mobile terminal reduction SAR value, wherein, including：
Whether A, detection mobile terminal are close to user's head, if it has, then keeping normal Conducted Radio Frequency power；If it has not, then
By the reduction of Conducted Radio Frequency power.
The method of described mobile terminal reduction SAR value, wherein, before the step A, also include：
Whether A11, detection mobile terminal are in talking state, if it has, then performing step A；If it has not, then by Conducted Radio Frequency work(
Rate reduction.
The method of described mobile terminal reduction SAR value, wherein, also included before the step A11：
A10, the use state for determining mobile terminal, the use state include talking state and copper.
The method of described mobile terminal reduction SAR value, wherein, whether the detection mobile terminal is close to user's head,
Specifically include：Detect mobile terminal whether near user's head by the touch-screen of mobile terminal.
The method of described mobile terminal reduction SAR value, wherein, the Conducted Radio Frequency power reduction is specifically included：
Conducted Radio Frequency performance number is reduced to than the normal low 2 ~ 4dBm of Conducted Radio Frequency performance number, and maintains low power state.
A kind of system of mobile terminal reduction SAR value, wherein, including：
Near detection module, for detecting mobile terminal whether near user's head；
Power conditioning module, for when mobile terminal is detected near user's head, keeping normal Conducted Radio Frequency power；Work as inspection
When surveying mobile terminal not close to user's head, by the reduction of Conducted Radio Frequency power.
The system of described mobile terminal reduction SAR value, wherein, also include：
Call detection module, for whether detecting mobile terminal in talking state, if it has, then performing near detection module；
The power conditioning module, is additionally operable to when mobile terminal is not at talking state, by the reduction of Conducted Radio Frequency power.
The system of described mobile terminal reduction SAR value, wherein, also include：
State determining module, the use state for determining mobile terminal, the use state includes that talking state and data are logical
Letter state.
A kind of mobile terminal, wherein, including：Processor and the memory of processor communication connection, the memory storage
There is calculation procedure, the calculation procedure is used to realize method as described above when being performed；The processor is described for calling
Calculation procedure in memory, to realize method as described above.
A kind of storage device, wherein, the storage device is stored with calculation procedure, the calculation procedure can be performed with
Realize method as described above.
Compared to prior art, the mobile terminal of present invention offer reduces the method for SAR value, system, mobile terminal and deposits
Storage device, by whether detecting mobile terminal near user's head, if it has, then keeping normal Conducted Radio Frequency power；If
It is no, then by the reduction of Conducted Radio Frequency power；Face unsuccessfully dangerous using the Body SAR in the CE certifications of mobile terminal product, and
Head SAR can typically meet requirement, for this feature, body SAR application scenarios and head part S AR application scenarios are subject to
Distinguish, allow mobile terminal voluntarily to carry out Conducted Radio Frequency power dynamic control for different application scene, so as to reach drop SAR's
Purpose, reduces the electromagnetic radiation to user's body so that mobile terminal meets SAR standards, brings great convenience.
Brief description of the drawings
The method flow diagram of the method for the mobile terminal reduction SAR value that Fig. 1 is provided for the present invention.
The structured flowchart of the system of the mobile terminal reduction SAR value that Fig. 2 is provided for the present invention.
The mobile terminal processing unit structured flowchart that Fig. 3 is provided for the present invention.
Specific embodiment
The present invention provides a kind of method of mobile terminal reduction SAR value, system, mobile terminal and storage device.To make this
The purpose of invention, technical scheme and effect are clearer, clear and definite, the embodiment that develops simultaneously referring to the drawings to it is of the invention further in detail
Describe in detail bright.It should be appreciated that specific embodiment described herein is only used to explain the present invention, it is not intended to limit the present invention.
The present invention provides a kind of method of mobile terminal reduction SAR value, refers to Fig. 1, the mobile terminal reduction SAR value
Method, comprise the following steps：
Whether S100, detection mobile terminal are close to user's head, if it has, then keeping normal Conducted Radio Frequency power；If it has not,
Then by the reduction of Conducted Radio Frequency power.
Above-mentioned steps are described in detail with reference to specific embodiment.
In the step S100, whether detection mobile terminal is close to user's head, if it has, then keeping normal radio frequency
Conducted power；If it has not, then by the reduction of Conducted Radio Frequency power.Mobile terminal of the invention can be mobile phone, panel computer etc..Detection
Whether mobile terminal has various implementations near user's head, can be detected by touch-screen, for example touch-screen whether by with
Whether family touches, it is also possible to detect user's head near mobile terminal by Proximity Sensor.When detecting mobile terminal
During near user's head（For example user picks up mobile phone and is placed on when carrying out voice call in one's ear）, keep normal Conducted Radio Frequency work(
Rate；When mobile terminal is detected not close to user's head（For example user carries out bluetooth earphone call, wired earphone call or number
During according to communication）, then by the reduction of Conducted Radio Frequency power, just can so ensure that Body SAR are not exceeded, and do not influence Consumer's Experience.
This be due to using existing certification SAR standards the mobile terminals such as mobile phone are detected when, its head part S AR be it is standard compliant,
Namely not exceeded, often its body SAR is non-compliant, that is, body SAR are often exceeded.For such case,
The present invention is distinguished the application scenarios of mobile terminal, as long as mobile phone is not near user's head, then just pass radio frequency
Power reduction is led, radio frequency is passed into power is reduced to body SAR and meet standard, that is, it is not exceeded, then just can realize ensureing
Body SAR are not exceeded, and do not influence Consumer's Experience.On specific Conducted Radio Frequency power decreasing value, in practical application,
Can be the performance number of the normal low 2 ~ 4dBm of Conducted Radio Frequency performance number, preferably 2 or 3dBm.And normal Conducted Radio Frequency performance number
Generally 23dBm.It should be noted that the technical solution adopted by the present invention be this area ordinary person without creative work without
What method was obtained, the present invention faces unsuccessfully dangerous for Body SAR in existing certification, and Head SAR can typically meet requirement
This phenomenon conduct in-depth analysis, Normal practice is all to adjust product overall power again to reduce SAR value, so that mobile
Terminal meets the requirements.And the present invention dexterously analyses in depth the different application scene of body SAR and head part S AR, should for difference
Conducted Radio Frequency power is adjusted again with scene, both ensure that Body SAR are not exceeded, and do not influence Consumer's Experience, brought significantly
Convenience.
Please continue to refer to Fig. 1, it is preferable that before the step S100, also include：
Whether S112, detection mobile terminal are in talking state, if it has, then performing step A；If it has not, then by Conducted Radio Frequency
Power reduction.
Specifically, whether present invention detection mobile terminal is in talking state, if it is, performing step S100；Such as
Fruit is not that can then reduce RF conducted powers, it is ensured that Body SAR are not exceeded, and do not influence Consumer's Experience.
Further, also included before the step S112：
S111, the use state for determining mobile terminal, the use state include talking state and copper.
Specifically, the use state of mobile terminal includes talking state and copper.In practical application scene
In, Body SAR application scenarios are such as user and carry out data communication, or put pocket with wired/bluetooth earphone mobile phone of making a phone call
Scene.Head SAR application scenarios are that be placed on for mobile phone beat in one's ear voice call scene by user.
In practical application, whether the detection mobile terminal specifically includes near user's head：By mobile terminal
Whether touch-screen detection mobile terminal is near user's head.Certainly can also be detected using other modes, for example infrared sensor, near
Range sensor etc..
In practical application, the Conducted Radio Frequency power reduction is specifically included：
Conducted Radio Frequency performance number is reduced to than the normal low 2 ~ 4dBm of Conducted Radio Frequency performance number, and maintains low power state.Tool
For body, normal Conducted Radio Frequency performance number is generally 23 dBm, and 2 ~ 4dBm is reduced on this basis, just may be such that body SAR
Meet Valuation Standard.Preferably reduce by 2 or 3dBm.That is, performance number when maintaining low power state is 19 ~ 21 dBm.
In Application Example, present invention application TP touch-screen detections, whether user's a certain moment is that mobile phone is placed on into ear
Voice call is played on side.If it is, keeping normal RF conducted powers, voice call performance and Head SAR are ensured so as to reach
It is not exceeded.If it is not, then RF conducted powers can be reduced, it is ensured that Body SAR are not exceeded, and do not influence Consumer's Experience.
Whether specific practice is first to detect mobile phone in voice call, if it is not, then maintaining low power state.If it is, logical
Cross TP and detected whether that human body is close to, if it has, then becoming high power（Namely normal power）.If it is not, continuing to tie up
Hold low power state.Drop SAR mechanism of the invention, solves the problems, such as SAR and antenna On Index.
The method of the mobile terminal reduction SAR value provided based on above-described embodiment, the present invention also provides a kind of mobile terminal
The system for reducing SAR value.Fig. 2 is referred to, the system of the mobile terminal reduction SAR value includes：
Near detection module 10, for detecting mobile terminal whether near user's head；
Power conditioning module 20, for when mobile terminal is detected near user's head, keeping normal Conducted Radio Frequency power；When
When detection mobile terminal is not close to user's head, by the reduction of Conducted Radio Frequency power.
Please continue to refer to Fig. 2, further, the system that described mobile terminal reduces SAR value also includes：
Call detection module 30, for whether detecting mobile terminal in talking state, if it has, then performing near detection mould
Block；
The power conditioning module 20, is additionally operable to when mobile terminal is not at talking state, by the reduction of Conducted Radio Frequency power.
Further, the system of described mobile terminal reduction SAR value, also includes：
State determining module 40, the use state for determining mobile terminal, the use state includes talking state and data
Communications status.
Further, the close detection module 10, is additionally operable to detect that mobile terminal is by the touch-screen of mobile terminal
No close user's head.
Further, the power conditioning module 20, is additionally operable to be reduced to Conducted Radio Frequency performance number than normal radio frequency
Low 2 ~ the 4dBm of conducted power value, and maintain low power state.
Because the concrete principle and detail technical features of the system of mobile terminal reduction SAR value are in above-mentioned mobile terminal
Elaborated in the embodiment of the method for reducing SAR value, will not be repeated here.
The division of above-mentioned functions module is only used to for example, in actual applications, can as needed by above-mentioned functions
Distribution is completed by different functional modules, that is, be divided into different functional modules to complete all or part of foregoing description
Function.
The method of the mobile terminal reduction SAR value provided based on above-described embodiment, the present invention also provides a kind of mobile terminal,
Fig. 3 is referred to, the mobile terminal includes：Processor and the memory of processor communication connection, the memory storage have meter
Calculation program, the calculation procedure is used to realize method as described above when being performed, that is, described mobile terminal reduction SAR
The method of value；The processor is used to call the calculation procedure in the memory, to realize method as described above, that is,
The method of described mobile terminal reduction SAR value.
Specifically, the mobile terminal structure block diagram of the embodiment of the present invention, as shown in figure 3, described device includes：Processor
(processor) 801, memory (memory) 802, communication interface (Communications Interface) 803 and bus
804；Wherein,
The processor 801, memory 802, communication interface 803 complete mutual communication by the bus 804；
The information transfer that the communication interface 803 is used between the communication equipment of the device；
The processor 801 is used to call the calculation procedure in the memory 802, is carried with performing above-mentioned each method embodiment
The method of confession, that is, the method that described mobile terminal reduces SAR value.
The method of the mobile terminal reduction SAR value provided based on above-described embodiment, the embodiment of the present invention is also disclosed a kind of meter
Calculation machine program product, the computer program product includes computer journey of the storage on non-transient computer readable storage medium storing program for executing
Sequence, the computer program includes programmed instruction, and when described program instruction is computer-executed, computer is able to carry out above-mentioned
The method that each method embodiment is provided, that is, the method that described mobile terminal reduces SAR value.
The method of the mobile terminal reduction SAR value provided based on above-described embodiment, the present invention also provides a kind of storage device,
Wherein, the storage device is stored with calculation procedure, and the calculation procedure can be performed to realize method as described above,
It is exactly the method for described mobile terminal reduction SAR value.The storage device can be non-transient computer readable storage medium storing program for executing, institute
Non-transient computer readable storage medium storing program for executing storage computer instruction is stated, it is above-mentioned each that the computer instruction performs the computer
The method that embodiment of the method is provided, that is, the method that described mobile terminal reduces SAR value.
One of ordinary skill in the art will appreciate that all or part of flow in above-described embodiment method, can be by
Computer（Or mobile terminal）Program is completed come the hardware for instructing correlation, described computer（Or mobile terminal）Program can be stored
In a computer（Or mobile terminal）In read/write memory medium, program is upon execution, it may include the embodiment of above-mentioned each method
Flow.Storage medium therein can be magnetic disc, CD, read-only memory（ROM）Or random access memory（RAM）
Deng.
In sum, a kind of mobile terminal that the present invention is provided reduces method, system, mobile terminal and the storage of SAR value
Device, by whether detecting mobile terminal near user's head, if it has, then keeping normal Conducted Radio Frequency power；If it has not,
Then by the reduction of Conducted Radio Frequency power；Face unsuccessfully dangerous using the Body SAR in the CE certifications of mobile terminal product, and Head
SAR can typically meet requirement, for this feature, Body SAR application scenarios and Head SAR application scenarios are subject into area
Point, allow mobile terminal voluntarily to carry out Conducted Radio Frequency power dynamic control for different application scene, so as to reach the mesh of drop SAR
, reduce the electromagnetic radiation to user's body so that product meets SAR standards, brings great convenience.
It is understood that for those of ordinary skills, can be with technology according to the present invention scheme and its hair
Bright design is subject to equivalent or change, and all these changes or replacement should all belong to the guarantor of appended claims of the invention
Shield scope.
Claims (10)
1. a kind of method that mobile terminal reduces SAR value, it is characterised in that including：
Whether A, detection mobile terminal are close to user's head, if it has, then keeping normal Conducted Radio Frequency power；If it has not, then
By the reduction of Conducted Radio Frequency power.
2. the method that mobile terminal according to claim 1 reduces SAR value, it is characterised in that before the step A,
Also include：
Whether A11, detection mobile terminal are in talking state, if it has, then performing step A；If it has not, then by Conducted Radio Frequency work(
Rate reduction.
3. the method that mobile terminal according to claim 2 reduces SAR value, it is characterised in that before the step A11
Also include：
A10, the use state for determining mobile terminal, the use state include talking state and copper.
4. the method that mobile terminal according to claim 1 reduces SAR value, it is characterised in that the detection mobile terminal
Whether near user's head, specifically include：Detect mobile terminal whether near user's head by the touch-screen of mobile terminal.
5. the method that the mobile terminal according to claim 1 ~ 4 any one reduces SAR value, it is characterised in that described to penetrate
The reduction of frequency conducted power is specifically included：
Conducted Radio Frequency performance number is reduced to than the normal low 2 ~ 4dBm of Conducted Radio Frequency performance number, and maintains low power state.
6. the system that a kind of mobile terminal reduces SAR value, it is characterised in that including：
Near detection module, for detecting mobile terminal whether near user's head；
Power conditioning module, for when mobile terminal is detected near user's head, keeping normal Conducted Radio Frequency power；Work as inspection
When surveying mobile terminal not close to user's head, by the reduction of Conducted Radio Frequency power.
7. the system that mobile terminal according to claim 6 reduces SAR value, it is characterised in that also include：
Call detection module, for whether detecting mobile terminal in talking state, if it has, then performing near detection module；
The power conditioning module, is additionally operable to when mobile terminal is not at talking state, by the reduction of Conducted Radio Frequency power.
8. the system that mobile terminal according to claim 7 reduces SAR value, it is characterised in that also include：
State determining module, the use state for determining mobile terminal, the use state includes that talking state and data are logical
Letter state.
9. a kind of mobile terminal, it is characterised in that including：Processor and the memory of processor communication connection, the memory
Be stored with calculation procedure, and the method as described in any one of claim 1 ~ 5 is realized when the calculation procedure is used to be performed；It is described
Processor is used to call the calculation procedure in the memory, to realize the method as described in any one of claim 1 ~ 5.
10. a kind of storage device, it is characterised in that the storage device is stored with calculation procedure, the calculation procedure can be by
Perform to realize the method as described in claim any one of 1-5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710262778.3A CN106899320B (en) | 2017-04-20 | 2017-04-20 | A kind of method, system, mobile terminal and storage device reducing SAR value |
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| CN201710262778.3A CN106899320B (en) | 2017-04-20 | 2017-04-20 | A kind of method, system, mobile terminal and storage device reducing SAR value |
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| CN106899320B CN106899320B (en) | 2019-10-29 |
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Cited By (7)
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| CN110995305A (en) * | 2019-12-26 | 2020-04-10 | 上海闻泰电子科技有限公司 | Method, device, equipment and storage medium for adjusting specific absorption rate of electromagnetic wave |
| CN111190500A (en) * | 2019-11-12 | 2020-05-22 | 华为终端有限公司 | Method for reducing SAR of terminal equipment and terminal equipment |
| CN111654905A (en) * | 2020-05-22 | 2020-09-11 | RealMe重庆移动通信有限公司 | Antenna transmission parameter adjusting method and device, storage medium and electronic equipment |
| WO2020237444A1 (en) * | 2019-05-24 | 2020-12-03 | 华为技术有限公司 | Control method for maximum transmission power of mobile terminal, and mobile terminal |
| CN114025415A (en) * | 2021-10-14 | 2022-02-08 | 青岛海信移动通信技术股份有限公司 | Method for reducing SAR and terminal equipment |
| CN114125142A (en) * | 2020-08-28 | 2022-03-01 | 荣耀终端有限公司 | Control method of mobile terminal and mobile terminal |
| CN114980291A (en) * | 2021-02-20 | 2022-08-30 | 深圳市万普拉斯科技有限公司 | Specific absorption rate adjusting method, device, mobile terminal and storage medium |
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| CN114025415B (en) * | 2021-10-14 | 2024-06-04 | 青岛海信移动通信技术有限公司 | SAR reduction method and terminal equipment |
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| Publication number | Publication date |
|---|---|
| CN106899320B (en) | 2019-10-29 |
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