CN108770055A - Transmission power adjustment method, device and electronic device - Google Patents
Transmission power adjustment method, device and electronic device Download PDFInfo
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- CN108770055A CN108770055A CN201810603687.6A CN201810603687A CN108770055A CN 108770055 A CN108770055 A CN 108770055A CN 201810603687 A CN201810603687 A CN 201810603687A CN 108770055 A CN108770055 A CN 108770055A
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- electronic device
- transmission
- determination
- power
- transmission rate
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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
- H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
-
- 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
-
- 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
- H04W52/30—TPC using constraints in the total amount of available transmission power
- H04W52/36—TPC using constraints in the total amount of available transmission power with a discrete range or set of values, e.g. step size, ramping or offsets
- H04W52/362—Aspects of the step size
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
- H04W28/18—Negotiating wireless communication parameters
- H04W28/22—Negotiating communication rate
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Quality & Reliability (AREA)
- Mobile Radio Communication Systems (AREA)
- Telephone Function (AREA)
Abstract
The embodiment of the present application discloses a kind of transmission power adjustment method, device and electronic device, is related to field of terminal technology.Wherein, the electronic device includes WiFi module, the method includes：WiFi module is connect with wireless access point with target transmission speed and objective emission power；The method of determination of the target transmission speed is obtained, the method for determination includes actively being selected to determine by electronic device and passively debugging determination according to transmission status；If the method for determination is that actively selection determines by electronic device, the objective emission power is reduced, to reduce power consumption as far as possible.
Description
Technical field
This application involves field of terminal technology, are filled more particularly, to a kind of transmission power adjustment method, device and electronics
It sets.
Background technology
Existing electronic device usually can carry out network number by WiFi (Wireless Fidelity, Wireless Fidelity)
According to transmission.But electronic device may be excessively high by the emission rate that WiFi network is transmitted, and increases the work(of electronic device
Consumption.
Invention content
In view of the above problems, present applicant proposes a kind of transmission power adjustment method, device and electronic devices, according to transmission
The method of determination of rate reduces transmission power, reduces electronic device power consumption.
In a first aspect, the embodiment of the present application provides a kind of transmission power adjustment method, it is applied to electronic device, the electricity
Sub-device includes WiFi module, the method includes：WiFi module is sent out with wireless access point with target transmission speed and target
Penetrate power connection；The method of determination of the target transmission speed is obtained, the method for determination includes actively being selected by electronic device
It determines and determination is passively debugged according to transmission status；If the method for determination is that actively selection determines by electronic device,
Reduce the objective emission power.
Second aspect, the embodiment of the present application provide a kind of transmit power adjustment means, are applied to electronic device, the electricity
Sub-device includes WiFi module, and described device includes：Link block is passed with wireless access point with target for the WiFi module
Defeated rate and the connection of objective emission power；Mode determining module, the method for determination for obtaining the target transmission speed, institute
It includes actively being selected to determine by electronic device and passively debugging determination according to transmission status to state method of determination；Power adjustment
Module reduces the objective emission power if being that actively selection determines by electronic device for the method for determination.
The third aspect, the embodiment of the present application provide a kind of electronic device, including WiFi module, memory and processor,
The WiFi module and the memory are couple to the processor, the memory store instruction, when described instruction is by described
The processor executes above-mentioned method when processor execution.
Fourth aspect, the embodiment of the present application provide it is a kind of with processor can perform program code it is computer-readable
Storage medium, said program code make the processor execute above-mentioned method.
Transmission power adjustment method, device and electronic device provided by the present application are electricity in the transmission rate of WiFi module
In the case that sub-device actively selects, the transmission power of WiFi module is reduced, power consumption can be reduced as far as possible.
These aspects or other aspects of the application can more straightforward in the following description.
Description of the drawings
In order to more clearly explain the technical solutions in the embodiments of the present application, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the present application, for
For those skilled in the art, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 shows a flow chart of the transmission power adjustment method that the embodiment of the present application proposes；
Fig. 2 shows another flow charts for the transmission power adjustment method that the embodiment of the present application proposes；
Fig. 3 shows the functional block diagram for the transmit power adjustment means that the embodiment of the present application proposes；
Fig. 4 shows the structure diagram for the electronic device that the embodiment of the present application proposes；
Fig. 5 shows a kind of structural schematic diagram for the electronic device that the embodiment of the present application proposes；
Fig. 6 shows the electricity for executing the transmission power adjustment method according to the embodiment of the present application of the embodiment of the present application
The block diagram of sub-device.
Specific implementation mode
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of embodiments of the present application, instead of all the embodiments.It is based on
Embodiment in the application, those of ordinary skill in the art are obtained every other without creative efforts
Embodiment shall fall in the protection scope of this application.
The electronic devices such as mobile phone, tablet computer usually carry out network connection by WiFi network.Electronic device is carrying out
After WiFi connections, it will usually be transmitted speed adjust, determine the transmission rate of suitable present data transmission.
When electronic device adjusts WiFi transmission rates, typically according to protocol requirement, carried out from high to low according to rate
Adjustment, if fine in wireless environment, when transmission rate can reach the maximum transmission rate of protocol requirement, may pass through drop
Low transmitting power reduces electronic device power consumption；When WiFi transmission rates are not agreement flank speeds, then transmitting work(will not be reduced
Rate.
The rate selection of electronic device is passive to carry out selection according to environment under normal circumstances, that is to say, that general
In the case of, wireless environment is all poor, and electronic device can select to meet the biography that can stablize effective transmission data under current radio environment
Defeated rate.For example, a table according to different WiFi signal intensity using different transmission rates is customized in test in advance, when
When WiFi is in some environment, first compares one transmission rate of table lookup and start to transmit.If wireless environment is poor, find
When being transmitted with current transmission rate, often transmission failure, if retransmission rate reaches some value, the bit error rate reaches some value, will drop
Low transmission rate.It, can be to have been look for the transmission rate that can be reduced to, continuous gradient reduces, until looking for during reduction
It is transmitted to suitable transmission rate, a transmission power is corresponded under each transmission rate.Therefore, in this case, electronic device
Selection low transmission rate is transmitted typically because being unable to reach the requirement of current radio environment.
Wherein, wireless environment is WiFi connections correlation, on the influential environment of WiFi connections, such as electronic device ambient enviroment
In access point number, electronic device connection the used channel of access point in access point number, the access point institute connected
In the congestion index of channel, the signal-to-noise ratio of channel where the access point connected, the transmission power size of access point, access point
Signal strength etc. is one or more, does not limit in the embodiment of the present application.
But inventor has found, low transmission rate transmission, Er Feiyin are actively switched to if transmission rate is electronic device
For wireless environment complexity, the transmission of stablizing to meet data is forced to be adjusted to low transmission rate transmission, can also reduce by one
Fixed transmission power meets reducing power consumption demand, and still may meet the needs of data stabilization transmission.Therefore, the application proposes
A kind of transmission power adjustment method, device and electronic device, determine whether to carry out power according to the method for determination of transmission rate
Adjustment.If the method for determination of transmission rate, which is electronic device, is actively switched to low transmission rate transmission, transmission power can be carried out
Adjustment reduces power consumption.
Below in conjunction with attached drawing and by specific embodiment to transmission power adjustment method provided by the embodiments of the present application,
Device and electronic device illustrate.
First embodiment
Referring to Fig. 1, the application first embodiment provides a kind of transmission power adjustment method, this method is applied to electronics
Device, the electronic device can be a kind of wireless device, including WiFi module, can connect wireless access by WiFi module
Point, to access network.Wherein, which can be mobile phone, tablet computer, laptop, multimedia equipment, intelligence
The equipment that Wearable, reader etc. can carry out WiFi connections, does not limit in the embodiment of the present application.
In the method, the adjustment of progress transmission power can be determined whether according to current transmission rate method of determination.
If current transmission rate is that actively selection determines electronic device, transmission power is reduced, to reduce power consumption.Specifically implementing
In example, the transmission power adjustment method is applied to transmit power adjustment means as shown in Figure 3 and is corresponding with transmission power
The electronic device 400 (Fig. 4, Fig. 5) of adjusting apparatus 300.Above-mentioned transmission power adjustment method can specifically include following steps：
Step S110：WiFi module is connect with wireless access point with target transmission speed and objective emission power.
Electronic device can be built by being connected between WiFi module and wireless access point in electronic device and wireless access point
In connection procedure after vertical connection, it can all be carried out data transmission with certain transmission rate and transmission power.
It should be understood that target transmission speed and objective emission power are described for convenience respectively and the transmission named
Rate and transmission power are respectively actually, when needs determine whether to adjust according to the transmission rate method of determination of WiFi module
When transmission power, the actual transmission rate of WiFi module, the actual transmission power of WiFi module.
Step S120：The method of determination of the target transmission speed is obtained, the method for determination includes by electronic device master
Dynamic selection determines and passively debugs determination according to transmission status.
Electronic device obtains the method for determination of current goal transmission rate.Wherein it is determined that mode may be electronic device master
It is dynamic to determine, that is to say, that lead to that data transmission is unstable or laser propagation effect is undesirable and has to not due to wireless environment
Transmission rate is turned down to the target transmission speed；Method of determination can also be passively to debug determination according to transmission status
, that is, since wireless environment leads to that data transmission is unstable or laser propagation effect is undesirable, electronic device has to that speed will be transmitted
Rate is turned down to current target transmission speed.
Specifically, electronic device actively selects to determine the method for determination of target transmission speed, may include：According to the electricity
The performance indicator of sub-device, the selection target transmission rate from default mapping table, the mapping table include that performance refers to
The correspondence of mark and transmission rate.That is, test obtains in wireless environments in advance, the various performances of electronic device refer to
The possible corresponding transmission rate of mark forms mapping table, such as manufacture test.Electronic device in actual use, can be with
The performance indicator for obtaining the electronic device is determined further according to the corresponding transmission rate of different performance index in the mapping table
For the transmission rate of WiFi module.
Wherein, performance indicator includes the equipment performance or environmental parameter of electronic device.For example, performance indicator can be letter
Number intensity.It is strong in identical signal for different electronic devices due to having different between different electronic devices
Under degree, corresponding optimal transmission rate may be different；It is right under different signal strengths for identical electronic device
The optimal transmission rate answered may be different.Therefore, it for each electronic device, can in advance test under unlike signal intensity
Transmission rate is to determine a preferable transmission rate, test before such as dispatching from the factory.That is, receiving varying strength in electronic device
In the case of signal, by different transmission rates to carrying out data transmission testing under each signal strength, determine that data transmission is imitated
Rate and the relatively better transmission rate of stability form the correspondence of signal strength and transmission rate, can be closed with corresponding
It is form storage and the electronic device of table.Wherein, the transmission rate of each signal strength selection is corresponded to when specific test in this Shen
It please not be limited in embodiment, in correspondence, can be that a signal strength section is corresponding with transmission rate, can also be
One concrete signal intensity is corresponding with transmission rate；Corresponding transmission rate can also be occurrence or interval value.
Certainly, performance indicator can also be other, such as EVM values, the quantity of surrounding access points, the channel being connect with access point
The signal-to-noise ratio etc. of the quantity of interior access point, the channel being connect with access point.Wherein, EVM is error vector, including amplitude and phase
Vector, be that can weigh tune comprehensively in the vector difference of given time ideal error free reference signal and actual transmission signal
The range error and phase error of signal processed.
Furthermore it is possible to test corresponding transmission rate under various performance indicators in advance, mapping table is formed.It can also root
According to the relevance of performance indicator and transmission rate, the functional relation between forming properties index and transmission rate.It is actually using
When, according to current performance indicator and the functional relation, obtain corresponding transmission rate.
Electronic device passively debugs determining transmission rate according to transmission status, Ke Yishi, electronic device with nothing
After the connection of line access point, it is provided with transmission rate, but under the transmission rate, data transmission effect is undesirable, signal quality
Poor, data transmission is unstable.In order to ensure the stability of data transmission, it has to transmission rate is turned down, what this was turned down
Transmission rate is that determining transmission rate is passively debugged according to transmission status.
Specifically, the passive debugging process may include：After electronic device is connect with the wireless access point, setting is initial
Transmission rate, the initial transmission rate can be a default initial values；The initial transmission rate can also be aforementioned active choosing
Select identified transmission rate.
When judging to transmit with the initial transmission rate again, whether the signal quality between WiFi module and wireless access point
Meet the second preset standard.Wherein, which may include retransmission rate, the bit error rate in data transmission procedure, can also
Include the index of other measurement transmission status, it is numerous to list herein.And judge the retransmission rate or mistake of data transmission
Whether the measurement data of the signal qualities such as code check meet the second preset standard of default setting, which can go out
It is arranged before factory and is stored in electronic device, specific setting value does not limit in the embodiment of the present application.
If it is determined that signal quality is unsatisfactory for the second preset standard, shows that the initial transmission rate may be excessively high, lead to signal
It is second-rate, therefore the initial transmission rate can be reduced.It, can be according to first after reduction after initial transmission rate is lowered
Beginning transmission rate executes the judgement when being transmitted with the initial transmission rate, the WiFi module and wireless access point again
Between signal quality the step of whether meeting the second preset standard.The initial transmission judged when that is, executing again
Rate, for the initial transmission rate after reduction.WiFi module is passed with the transmission rate after being lowered initial transmission rate
During defeated, it can judge whether the signal quality between WiFi module and wireless access point meets the second preset standard again,
If not satisfied, current transmission rate is reduced again, until judgement signal quality meets the second preset standard.Wherein, it transmits
The reduction of rate can be reduced with preset gradient；Can also be that pre-set signal quality corresponding with transmission rate
Table, signal quality is poorer, and if retransmission rate is higher, the bit error rate is higher, corresponding transmission rate is lower, and drop is determined from the correspondence table
Transmission rate after low.
If it is determined that signal quality meets the second preset standard, using current transmission rate as target transmission speed.If that is,
When obtaining the method for determination of the target transmission speed, the transmission rate of WiFi module is to be dropped according to signal quality judgement
Transmission rate after low, using the transmission rate as passively debugging determining target transmission speed according to transmission status.
Optionally, in the embodiment of the present application, if when obtaining the method for determination of the target transmission speed, WiFi module
Transmission rate between wireless access point, for after connect with wireless access point determination for the first time, not because signal quality is unsatisfactory for
Second preset standard and the initial transmission rate reduced then can be determined that the method for determination of the target transmission speed is to be filled by electronics
Actively selection is set to determine.
Step S130：If the method for determination is that actively selection determines by electronic device, the objective emission power is reduced.
For electronic device after determining transmission rate, transmission power is arranged in the corresponding transmission rate.The specific of transmission power sets
It sets and can be determined with the corresponding table of power according to pre-set rate, in corresponding table of the rate with power, including transmission speed
The correspondence of rate and transmission power.
If target transmission speed be electronic device actively select, may under the transmission rate transmission data reliability compared with
It is high, it is possible to consider to reduce transmission power level to reduce power consumption, using the transmission power after reduction as WiFi module newly
Transmission power.
If target transmission speed is passively to debug determination according to transmission status, possible wireless environment is complex,
Need to ensure the stability of its data transmission, then its transmission power can not reduce, with the hair being arranged according to the transmission rate
Penetrate the power transmission power current as WiFi module.
In the embodiment of the present application, determined whether to adjust transmission power according to the method for determination of transmission rate.If transmission rate
By electronic device, actively selection determines, then reduces transmission power corresponding with transmission rate, save power consumption；If transmission rate root
Determination is passively debugged according to transmission status, then can keep the constant of transmission power, to both meet number to the full extent
According to the stability of transmission, and power consumption can be reduced as far as possible.
In the embodiment of the present application, it can also include to transmission power specific reduction mode.This method includes：
Step S210：WiFi module is connect with wireless access point with target transmission speed and objective emission power.
Step S220：The method of determination of the target transmission speed is obtained, the method for determination includes by electronic device master
Dynamic selection determines and passively debugs determination according to transmission status.
When electronic device establishes connection by WiFi module and wireless access point, pass through certain transmission rate and transmitting
Power is wirelessly connected.During wireless transmission upon connection, which may be adjusted, it is also possible to when with establishing connection
Transmission rate it is consistent.In the embodiment of the present application, when method of determination to obtain the target transmission speed, WiFi module with
Corresponding transmission rate is this target transmission speed between wireless access point, corresponding between WiFi module and wireless access point
Transmission power be this objective emission power.
Wherein, determine whether the opportunity for adjusting transmission power in this Shen according to the method for determination of the transmission rate of WiFi module
It please not be limited in embodiment, Ke Yishi, connection has just been established between WiFi module and wireless access point and has determined whether to adjust；
Can also be after establishing the preset duration after connection between WiFi module and wireless access point, to be made whether adjustment transmitting work(
The determination of rate.Alternatively, it is also possible to determine whether to adjust transmission power with preset period of time, that is to say, that every preset time
Whether period, determination once adjust transmission power.Determine whether to adjust according to the method for determination of the transmission rate of WiFi module every time
Whole transmission power, then currently to connect corresponding transmission rate as target transmission speed, currently to connect corresponding transmission power
For objective emission power, to judge whether to reduce the objective emission power according to the method for determination of target transmission speed.
Step S230：If the method for determination is that actively selection determines by electronic device, the objective emission power is reduced.
The concrete mode reduced to objective emission power does not limit in the embodiment of the present application.For example, can be right
Objective emission power carries out gradient reduction, such as reduces 0.5dBm every time, often reduces whether one-time authentication meets online index, if full
Foot, can continue to reduce, if not satisfied, then using the transmission power before this reduction as the transmission power of WiFi module.Specifically
, as shown in Fig. 2, the process can be：
Step S231：The objective emission power is reduced according to predetermined power gradient.
Step S232：Judge after reducing objective emission power, the signal matter between the WiFi module and wireless access point
Whether amount meets the first preset standard.If satisfied, executing step S231；If not satisfied, executing step S233.
Wherein, when executing the step for reducing the objective emission power according to predetermined power gradient again, to upper one
Objective emission power after secondary reduction reduces again.
Step S233：Using the objective emission power before this reduction as the transmission power of the WiFi module.
Reduce objective emission power with predetermined power gradient, after being reduced by objective emission power the transmission power that obtains with
Wireless access point connects, and judges whether the signal quality in the connection procedure between wireless access point meets the first pre- bidding
Standard, to determine whether meeting online index.It is marked in advance if the signal quality between WiFi module and wireless access point meets first
Standard, then it is contemplated that reduce transmission power again, in the connection procedure of the transmission power reduced again, WiFi module with it is wireless
Whether the signal quality between access point meets the first preset standard.So constantly gradient reduces, until the WiFi moulds being reduced to
Signal quality between block and wireless access point is unsatisfactory for the transmission power of the first preset standard, before being reduced with the transmission power
Transmission power, as the final transmission power for reducing determining WiFi module and being connect with wireless access point.
For example, when judgement method of determination is that actively selection determines by electronic device, objective emission power is 15dBm at this time,
Predetermined power gradient is 0.5dBm.When transmission power being then reduced to 14.5dBm, judge between WiFi module and wireless access point
Signal quality whether meet the first preset standard；If satisfied, 14.5dBm reductions 0.5dBm is obtained 14dBm again, WiFi moulds are judged
When block between the transmission power and wireless access point of 14dBm to connect, whether signal quality meets the first preset standard；If
The corresponding signal qualities of 14dBm meet the first preset standard, then 14dBm reductions 0.5dBm is obtained 13.5dBm, judge WiFi module
When being connected between the transmission power and wireless access point of 13.5dBm, whether signal quality meets the first preset standard, if
The corresponding signal qualities of 14dBm are unsatisfactory for the first preset standard, it is determined that with 14.5dBm between WiFi module and wireless access point
Transmission power connection.
Optionally, in the embodiment of the present application, it is not constant to may not be a fixation for the reduction gradient of transmission power
Value.
For example, it may be the value reduced successively can be preceding primary or preceding several times with maximum when reducing transmission power
Predetermined power gradient reduces gradient using smaller power successively if continuing to reduce transmission power.As predetermined power gradient drops
Low is respectively 0.5dBm, 0.4dBm, 0.3dBm, 0.2dBm, and objective emission power is 15dBm, after can reducing 0.5dBm first
Judge whether signal quality meets the first preset standard；If satisfied, continuing 14.5dBm to reduce 0.4dBm again, signal matter is judged
Whether amount meets the first preset standard, until judgement signal quality is unsatisfactory for the first preset standard.
In another example predetermined power gradient can be the value reduced successively.During reduction, work(is being preset with maximum
After rate gradient reduces transmission power, if the signal quality between WiFi module and wireless access point meets the first preset standard,
Then continue to reduce transmission power with maximum predetermined power gradient.If with maximum predetermined power gradient by transmission power
After reduction, signal quality is unsatisfactory for the first preset standard, and transmission power is reduced secondary big predetermined power gradient again, is sentenced again
Whether break signal quality meets the first preset standard, if satisfied, then using transmission power after the reduction as finally obtaining
The transmission power of WiFi module；If not satisfied, the transmission power is reduced again again with smaller predetermined power gradient, until obtaining
Signal quality meets the corresponding transmission power of the first preset standard, or until reducing transmitting work(with minimum predetermined power gradient
After rate, signal quality meets the first preset standard, then transmission power no longer reduces.
Such as, it is respectively 0.5dBm, 0.4dBm, 0.3dBm, 0.2dBm that predetermined power gradient, which reduces, and objective emission power is
15.5dBm reductions 0.5dBm can be obtained 15dBm by 15.5dBm first.Signal quality is when judging transmission power for 15dBm
The first preset standard of no satisfaction；If satisfied, 15dBm, which is continued reduction 0.5dBm, again obtains 14.5dBm.
Whether signal quality meets the first preset standard when judging transmission power for 14.5dBm；If satisfied, again will
14.5dBm continues to reduce 0.5dBm, if not satisfied, 15dBm reductions 0.4dBm is obtained 14.6dBm, judges that transmission power is
Whether signal quality meets the first preset standard when 14.6dBm.If it is pre- to meet first for signal quality when transmission power is 14.6dBm
Bidding is accurate, then using 14.6dBm as the transmission power of finally determining WiFi module；Signal when if transmission power is 14.6dBm
Quality is unsatisfactory for the first preset standard, then 15dBm reduces 0.3dBm and obtains 14.7dBm, believes when judging transmission power for 14.7dBm
Whether number quality meets the first preset standard.If signal quality meets the first preset standard when transmission power is 14.7dBm, with
Transmission powers of the 14.7dBm as finally determining WiFi module；If signal quality is unsatisfactory for the when transmission power is 14.7dBm
One preset standard, then 15dBm reduce 0.2dBm obtain 14.8dBm, when judging transmission power for 14.8dBm signal quality whether expire
The first preset standard of foot.If transmission power be 14.8dBm when signal quality meet the first preset standard, using 14.8dBm as
The finally transmission power of determining WiFi module；If signal quality is unsatisfactory for the first preset standard when transmission power is 14.8dBm,
Then still using 15dBm as the transmission power of finally determining WiFi module.To be only capable of quickly reducing transmission power, and can keep away
Exempt from because predetermined power gradient is excessive without as far as possible reducing transmission power.
Certainly, the occurrence of predetermined power gradient does not limit in the embodiment of the present application, and preceding description is only distance, tool
The value for meeting WIFI agreement specifications can be arranged when being arranged in body according to actual conditions.
Optionally, in the embodiment of the present application, the reduction of transmission power can also other forms, can such as pre-set not
It is right that its is searched according to current transmission power when reducing with the corresponding reduction gradient of transmission power or transmission power section
The reduction gradient answered judges whether signal quality meets the first preset standard after reducing transmission power with the gradient.
Wherein, signal quality can be retransmission rate, the bit error rate etc. in data transmission procedure.The tool of first preset standard
Body standard value does not limit in the embodiment of the present application.
Optionally, if the method for determination of target transmission speed is that actively selection determines by electronic device, one can be arranged
A shorter preset period of time.If the method for determination of transmission rate is that actively selection determines by electronic device, execute above-mentioned
After step, above-mentioned steps are executed again according to preset period of time, judge whether to drop by the method for determination of target transmission speed
Low transmitting power.If the method for determination of target transmission speed is passively to debug determination according to transmission status, can also be no longer
Period executes above-mentioned steps, i.e., no longer determines whether to reduce power by the method for determination of transmission rate.
In the embodiment of the present application, in the case where target transmission speed is that electronic device actively selects to determine, work(will be emitted
Rate gradient reduces, and obtains the lower transmission power of energy consumption.If target transmission speed passively debugs determination according to transmission status,
Then transmission power no longer adjusts, and to ensure the stability of the data transmission in complex wireless environments as far as possible, obtains good biography
Defeated effect.
As shown in figure 3, the embodiment of the present application also provides a kind of transmit power adjustment means 300, it is applied to electronic device,
Electronic device includes WiFi module.Described device 300 includes：Link block 310 is used for the WiFi module and wireless access point
It is connected with target transmission speed and objective emission power.Mode determining module 320, for obtaining the target transmission speed
Method of determination, the method for determination include actively being selected to determine and passively debugged according to transmission status really by electronic device
It is fixed.Power regulation module 330 reduces the target hair if being that actively selection determines by electronic device for the method for determination
Penetrate power.
Referring to Fig. 4, based on above-mentioned transmission power adjustment method and device, the embodiment of the present application also provides one kind
Electronic device 400.As shown in figure 4, the electronic device 400 includes WiFi module 401, memory 104 and processor 102, it is described
WiFi module 401 and the memory 104 are couple to the processor 102, and the WiFi module 401 is for passing through network transmission
Data, 104 store instruction of the memory, when described instruction is executed by the processor 102 in the execution of processor 102
The method stated.
Specifically, as shown in figure 5, being illustrated using mobile phone as electronic device.The electronic device 400 may include electronics
Body part 10, the electronic body portion 10 include shell 12 and the display screen 120 being arranged on the shell 12.The shell 12
Metal can be used, such as steel, aluminium alloy are made.In the present embodiment, the display screen 120 generally includes display panel 111, also may be used
Include for responding the circuit etc. for carrying out touch control operation to the display panel 111.The display panel 111 can be a liquid
LCD panel (Liquid Crystal Display, LCD), in some embodiments, the display panel 111 are one simultaneously
A touch screen 109.
Please refer to Fig. 6, in actual application scenarios, the electronic device 400 can be used as intelligent mobile phone terminal into
It exercises and uses, the electronic body portion 10 also typically includes one or more (only showing one in figure) processors in this case
102, memory 104, RF (Radio Frequency, radio frequency) module 106, voicefrequency circuit 110, sensor 114, input module
118, power module 122, WiFi module 401 etc..It will appreciated by the skilled person that structure shown in fig. 6 is only to show
Meaning, does not cause to limit to the structure in the electronic body portion 10.For example, the electronic body portion 10, which may also include, compares Fig. 6
Shown in more either less components or with the correspondence different from shown in Fig. 6.
It will appreciated by the skilled person that for the processor 102, every other component belongs to
It is coupled by multiple Peripheral Interfaces 124 between peripheral hardware, the processor 102 and these peripheral hardwares.The Peripheral Interface 124 can
Based on following standard implementation：Universal Asynchronous Receive/sending device (Universal Asynchronous Receiver/
Transmitter, UART), universal input/output (General Purpose Input Output, GPIO), serial peripheral connect
Mouthful (Serial Peripheral Interface, SPI), internal integrated circuit (Inter-Integrated Circuit,
I2C), but it is not limited to above-mentioned standard.In some instances, the Peripheral Interface 124 can only include bus；In other examples
In, the Peripheral Interface 124 may also include other elements, such as one or more controller, such as connecting the display
The display controller of panel 111 or storage control for connecting memory.In addition, these controllers can also be from described
Detached in Peripheral Interface 124, and be integrated in the processor 102 or corresponding peripheral hardware in.
The memory 104 can be used for storing software program and module, and the processor 102 is stored in institute by operation
The software program and module in memory 104 are stated, to perform various functions application and data processing.The memory
104 may include high speed random access memory, may also include nonvolatile memory, and such as one or more magnetic storage device dodges
It deposits or other non-volatile solid state memories.In some instances, the memory 104 can further comprise relative to institute
The remotely located memory of processor 102 is stated, these remote memories can pass through network connection to the electronic body portion 10
Or the display screen 120.The example of above-mentioned network includes but not limited to internet, intranet, LAN, mobile radio communication
And combinations thereof.
The RF modules 106 are used to receive and transmit electromagnetic wave, realize the mutual conversion of electromagnetic wave and electric signal, to
It is communicated with communication network or other equipment.The RF modules 106 may include various existing for executing these functions
Circuit element, for example, antenna, RF transceiver, digital signal processor, encryption/deciphering chip, subscriber identity module
(SIM) card, memory etc..The RF modules 106 can be carried out with various networks such as internet, intranet, wireless network
Communication is communicated by wireless network and other equipment.Above-mentioned wireless network may include cellular telephone networks, wireless
LAN or Metropolitan Area Network (MAN).Above-mentioned wireless network can use various communication standards, agreement and technology, including but not limited to
Global system for mobile communications (Global System for Mobile Communication, GSM), enhanced mobile communication skill
Art (Enhanced Data GSMEnvironment, EDGE), Wideband CDMA Technology (wideband code division
Multiple access, W-CDMA), Code Division Multiple Access (Code division access, CDMA), time division multiple access technology
(time division multiple access, TDMA), adopting wireless fidelity technology (Wireless, Fidelity, WiFi) is (such as
American Institute of Electrical and Electronics Engineers standard IEEE 802.10A, IEEE802.11b, IEEE802.11g and/or IEEE
802.11n), the networking telephone (Voice over internet protocal, VoIP), worldwide interoperability for microwave accesses
(Worldwide Interoperability for Microwave Access, Wi-Max), other for mail, Instant Messenger
The agreement and any other suitable communications protocol of news and short message, or even may include that those are not developed currently yet
Agreement.
Voicefrequency circuit 110, loud speaker 101, microphone 103, microphone 105 provide user and the electronic body portion jointly
Audio interface between 10 or described display screens 120.
The setting of the sensor 114 is in the electronic body portion 10 or in the display screen 120, the sensor 114
Example include but is not limited to：Acceleration transducer 114F, gyroscope 114G, magnetometer 114H and other sensors.
In the present embodiment, the input module 118 may include being arranged the touch screen 109 on the display screen 120,
The touch screen 109 collect user on it or neighbouring touch operation (for example user is suitble to using finger, stylus etc. are any
Object or attachment operation on the touch screen 109 or near the touch screen 109), it is hereby achieved that user
Touch gestures, and corresponding attachment device is driven according to a pre-set procedure, therefore, user can pass through touching in display screen
Control operation selected target region.Optionally, the touch screen 109 may include touch detecting apparatus and touch controller.Wherein, institute
The touch orientation of touch detecting apparatus detection user is stated, and detects the signal that touch operation is brought, transmits a signal to described touch
Touch controller；The touch controller receives touch information from the touch detecting apparatus, and the touch information is converted into
Contact coordinate, then give the processor 102, and order that the processor 102 is sent can be received and executed.In addition,
The touch detection that the multiple types such as resistance-type, condenser type, infrared ray and surface acoustic wave realize the touch screen 109 may be used
Function.In addition to the touch screen 109, in other change embodiments, the input module 118 can also include other inputs
Equipment, such as button 107.The button 107 for example may include the character keys for inputting character, and for triggering control work(
The control button of energy.The example of the control button includes " returning to main screen " button, on/off button etc..
The information and the electronics sheet that the display screen 120 is used to show information input by user, is supplied to user
The various graphical user interface in body portion 10, these graphical user interface can be by figure, text, icon, number, video and Qi Ren
Meaning combines to constitute.In an example, the touch screen 109 may be disposed on the display panel 111 to be shown with described
Show that panel 111 constitutes an entirety.
The power module 122 is used to provide supply of electric power to the processor 102 and other each components.Specifically,
The power module 122 may include power-supply management system, one or more power supply (such as battery or alternating current), charging circuit,
Power-fail detection circuit, inverter, indicator of the power supply status and any other and electronic body portion 10 are described aobvious
The generation, management of electric power and the relevant component of distribution in display screen 120.
The electronic device 400 further includes locator 119, and the locator 119 is for determining 400 institute of the electronic device
The physical location at place.In the present embodiment, the locator 119 realizes the positioning of the electronic device 400 using positioning service,
The positioning service, it should be understood that the location information of the electronic device 400 is obtained by specific location technology (as passed through
Latitude coordinate), it is marked on the electronic map by the technology of the position of positioning object or service.
It should be understood that above-mentioned electronic device 400 is not limited to intelligent mobile phone terminal, should refer to can move
The computer equipment used in dynamic.Specifically, electronic device 400, refers to the mobile computer for being equipped with intelligent operating system
Equipment, electronic device 400 include but not limited to smart mobile phone, smartwatch, tablet computer, etc..
It should be noted that each embodiment in this specification is described in a progressive manner, each embodiment weight
Point explanation is all difference from other examples, and the same or similar parts between the embodiments can be referred to each other.
For device class embodiment, since it is basically similar to the method embodiment, so fairly simple, the related place ginseng of description
See the part explanation of embodiment of the method.For arbitrary processing mode described in embodiment of the method, in device reality
It applies in example and no longer can be one by one repeated in device embodiment by corresponding processing modules implement.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the application.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiments or example.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present application, the meaning of " plurality " is at least two, such as two, three
It is a etc., unless otherwise specifically defined.
Any process described otherwise above or method description are construed as in flow chart or herein, and expression includes
It is one or more for realizing specific logical function or process the step of executable instruction code module, segment or portion
Point, and the range of the preferred embodiment of the application includes other realization, wherein can not press shown or discuss suitable
Sequence, include according to involved function by it is basic simultaneously in the way of or in the opposite order, to execute function, this should be by the application
Embodiment person of ordinary skill in the field understood.
Expression or logic and/or step described otherwise above herein in flow charts, for example, being considered use
In the order list for the executable instruction for realizing logic function, may be embodied in any computer-readable medium, for
Instruction execution system, device or equipment (system of such as computer based system including processor or other can be held from instruction
The instruction fetch of row system, device or equipment and the system executed instruction) it uses, or combine these instruction execution systems, device or set
It is standby and use.For the purpose of this specification, " computer-readable medium " can any can be included, store, communicating, propagating or passing
Defeated program is for instruction execution system, device or equipment or the dress used in conjunction with these instruction execution systems, device or equipment
It sets.The more specific example (non-exhaustive list) of computer-readable medium includes following：Electricity with one or more wiring
Interconnecting piece (electronic device), portable computer diskette box (magnetic device), random access memory (RAM), read-only memory
(ROM), erasable edit read-only storage (EPROM or flash memory), fiber device and portable optic disk is read-only deposits
Reservoir (CDROM).In addition, computer-readable medium can even is that the paper that can print described program on it or other are suitable
Medium, because can be for example by carrying out optical scanner to paper or other media, then into edlin, interpretation or when necessary with it
His suitable method is handled electronically to obtain described program, is then stored in computer storage.
It should be appreciated that each section of the application can be realized with hardware, software, firmware or combination thereof.Above-mentioned
In embodiment, software that multiple steps or method can in memory and by suitable instruction execution system be executed with storage
Or firmware is realized.It, and in another embodiment, can be under well known in the art for example, if realized with hardware
Any one of row technology or their combination are realized：With the logic gates for realizing logic function to data-signal
Discrete logic, with suitable combinational logic gate circuit application-specific integrated circuit, programmable gate array (PGA), scene
Programmable gate array (FPGA) etc..
Those skilled in the art are appreciated that realize all or part of step that above-described embodiment method carries
Suddenly it is that relevant hardware can be instructed to complete by program, the program can be stored in a kind of computer-readable storage medium
In matter, which includes the steps that one or a combination set of embodiment of the method when being executed.In addition, in each embodiment of the application
In each functional unit can be integrated in a processing module, can also be that each unit physically exists alone, can also two
A or more than two units are integrated in a module.The form that hardware had both may be used in above-mentioned integrated module is realized, also may be used
It is realized in the form of using software function module.If the integrated module realized in the form of software function module and as
Independent product sale in use, can also be stored in a computer read/write memory medium.
Storage medium mentioned above can be read-only memory, disk or CD etc..Although having been shown and retouching above
Embodiments herein is stated, it is to be understood that above-described embodiment is exemplary, and should not be understood as the limit to the application
System, those skilled in the art can be changed above-described embodiment, change, replace and become within the scope of application
Type.
Finally it should be noted that：Above example is only to illustrate the technical solution of the application, rather than its limitations；Although
The application is described in detail with reference to the foregoing embodiments, those skilled in the art are when understanding：It still can be with
Technical scheme described in the above embodiments is modified or equivalent replacement of some of the technical features；And
These modifications or replacements, do not drive corresponding technical solution essence be detached from each embodiment technical solution of the application spirit and
Range.
Claims (10)
1. a kind of transmission power adjustment method, which is characterized in that be applied to electronic device, the electronic device includes WiFi moulds
Block, the method includes：
WiFi module is connect with wireless access point with target transmission speed and objective emission power；
Obtain the method for determination of the target transmission speed, the method for determination include actively selected to determine by electronic device and
Determination is passively debugged according to transmission status；
If the method for determination is that actively selection determines by electronic device, the objective emission power is reduced.
2. according to the method described in claim 1, it is characterized in that, the electronic device actively selects to determine target transmission speed
Method of determination include：
According to the performance indicator of the electronic device, the selection target transmission rate from default mapping table, the corresponding pass
It is the correspondence that table includes performance indicator and transmission rate.
3. according to the method described in claim 2, the performance indicator includes signal strength, the mapping table includes signal
The correspondence of intensity and transmission rate, the performance indicator according to the electronic device are selected from default mapping table
Target transmission speed is selected, including：
Determine the signal strength that electronic device receives；
The corresponding transmission rate of the signal strength is searched from the mapping table.
4. according to the method described in claim 1, it is characterized in that, described reduce the objective emission power, including：
The objective emission power is reduced according to predetermined power gradient；
Judge after reducing objective emission power, whether the signal quality between the WiFi module and wireless access point meets first
Preset standard；
If satisfied, the described the step of objective emission power is reduced according to predetermined power gradient is executed again,
If not satisfied, using the objective emission power before this reduction as the transmission power of the WiFi module.
5. according to the method described in claim 4, it is characterized in that, the signal quality include data transmission retransmission rate and/
Or the bit error rate of data transmission.
6. according to the method described in claim 1, it is characterized in that, the electronic device is passively debugged according to transmission status
Determine the method for determination of target transmission speed, including：
After being connect with the wireless access point, initial transmission rate is set；
When judging to transmit with the initial transmission rate, whether the signal quality between the WiFi module and wireless access point is full
The second preset standard of foot；
If not satisfied, reducing the initial transmission rate, and according to the initial transmission rate after reduction, the judgement is executed again
When being transmitted with the initial transmission rate, it is pre- whether the signal quality between the WiFi module and wireless access point meets second
It is marked with accurate step；
If satisfied, using current transmission rate as target transmission speed.
7. according to the method described in claim 1, it is characterized in that, the method further includes：If the method for determination is by electricity
Actively selection determines sub-device, executes the method for determination for obtaining the target transmission speed again according to preset period of time
The step of.
8. a kind of transmit power adjustment means, which is characterized in that be applied to electronic device, the electronic device includes WiFi moulds
Block, described device include：
Link block is connect with wireless access point with target transmission speed and objective emission power for the WiFi module；
Mode determining module, the method for determination for obtaining the target transmission speed, the method for determination include being filled by electronics
It sets and actively selects to determine and determination is passively debugged according to transmission status；
Power regulation module reduces the objective emission if being that actively selection determines by electronic device for the method for determination
Power.
9. a kind of electronic device, which is characterized in that including WiFi module, memory and processor, the WiFi module and described
Memory is couple to the processor, the memory store instruction, when executed by the processor the place
It manages device perform claim and requires 1 to 7 any one of them method.
10. a kind of computer readable storage medium for the program code that can perform with processor, which is characterized in that described program
Code makes the processor perform claim require 1 to 7 any one of them method.
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| CN201810603687.6A CN108770055B (en) | 2018-06-12 | 2018-06-12 | Transmission power adjusting method and device and electronic device |
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|---|---|---|---|
| CN201810603687.6A CN108770055B (en) | 2018-06-12 | 2018-06-12 | Transmission power adjusting method and device and electronic device |
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| CN108770055B (en) | 2021-10-19 |
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