CN109075749A - A kind of voltage control method and terminal - Google Patents
A kind of voltage control method and terminal Download PDFInfo
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- CN109075749A CN109075749A CN201780026317.4A CN201780026317A CN109075749A CN 109075749 A CN109075749 A CN 109075749A CN 201780026317 A CN201780026317 A CN 201780026317A CN 109075749 A CN109075749 A CN 109075749A
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
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- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
Abstract
A kind of voltage control method and terminal, for changing the voltage levels of output voltage to meet different operating scene intermediate power amplifier to the different demands of the linearity and efficiency.This method comprises: terminal determines that the target parameter (201) of frame emission, Target Link are the link for sending frame emission according to the link-quality of Target Link, target parameter is the associated arguments for characterizing link-quality；When target parameter meets the first preset condition, terminal exports first voltage (203), so that power amplifier work is under high linearity mode；When target parameter meets the second preset condition, terminal exports second voltage (204), so that power amplifier work is under high efficiency mode.
Description
This application claims Patent Office of the People's Republic of China was submitted on February 13rd, 2017, application No. is 201710076888.0, the priority of the Chinese patent application of entitled " method and apparatus for changing PA operating mode in a kind of WiFi system according to operative scenario ", entire contents are hereby incorporated by reference in the application.
The invention relates to WiFi communication system more particularly to a kind of voltage control method and terminals.
In WLAN (wireless fidelity, WiFi) in communication system, it usually requires to be power amplifier (power amplifier, PA) supply voltage of the voltage of one in device specification allowed band (such as 3.3V-5V) as PA is provided, so that PA is in normal operating conditions, at this time, performance parameter (such as linearity of PA, efficiency) and external power supply voltage between relationship are as follows: one, when supply voltage is high voltage (close to the voltage of upper limit voltage such as 5V in above-mentioned specification allowed band), the linearity of PA is higher, the corresponding output power value of 1db compression point is higher, but the efficiency of PA is lower, the overall power of PA is larger；Two, when supply voltage is low-voltage (close to the voltage of lower voltage limit such as 3.5V in above-mentioned specification allowed band), the linearity of PA is lower, and the corresponding output power value of 1db compression point is lower, but the efficiency of PA is higher, and the overall power of PA is smaller.
In the prior art, supply voltage is provided according to the scheme that the priority of the linearity in WiFi system and efficiency is adopted as the fixed supply voltage of PA offer (such as fixed high voltage or the low-voltage of fixation) for PA, such as when linearity priority is greater than efficiency comes first grade, use the high voltage close to upper limit voltage in above-mentioned specification allowed band for PA power supply；When efficiency comes first grade is greater than linearity priority, use the low-voltage of lower voltage limit in above-mentioned specification allowed band for PA power supply.
In the prior art, when providing high voltage for PA, the linearity of PA is higher, meanwhile, cause the efficiency of PA to reduce, power consumption rises；When providing low-voltage for PA, the efficiency of PA is higher, power consumption decline, meanwhile, cause the linearity of PA to reduce.Therefore, under real work scene, the scheme of fixed supply voltage is provided for PA, it is not able to satisfy under different operating scene PA to the different demands of the linearity and efficiency, such as part operative scenario is higher than efficiency requirements to the linearity requirement of PA, another part operative scenario is higher than linearity requirement to the efficiency requirements of PA.
Summary of the invention
The embodiment of the present application provides a kind of voltage control method and terminal, for changing output voltage to meet in different operating scene PA to the different demands of the linearity and efficiency.
In a first aspect, the embodiment of the present application provides a kind of voltage control method, comprising:
Firstly, terminal determines the target parameter of frame emission according to the link-quality of Target Link, wherein Target Link is the link for sending frame emission, and target parameter is the associated arguments that can characterize the link-quality of Target Link；Secondly, if the corresponding target parameter of Target Link meets the first preset condition, terminal exports first voltage, so that power amplifier work is under high linearity mode；Again, if the corresponding target parameter of Target Link meets the second preset condition, terminal exports second voltage, so that power amplifier work is under high efficiency mode.
As can be seen from the above technical solutions, the embodiment of the present application has the advantage that terminal obtains the target parameter of the corresponding frame emission of Target Link；When above-mentioned target parameter meets preset condition, terminal determines that output voltage is the first voltage close to upper limit voltage in PA normal range of operation, it should be appreciated that first voltage is high voltage at this time；When above-mentioned target parameter is unsatisfactory for preset condition, terminal output voltage is the second voltage close to lower voltage limit within the scope of PA normal working voltage, it should be understood that, second voltage is low-voltage at this time, therefore, the embodiment of the present application can pass through the voltage levels of change output voltage, so that when being powered using above-mentioned output voltage for PA, PA be can satisfy in different operating scene to the different demands of the linearity and efficiency, such as in the case where being higher than the application scenarios of efficiency requirements to linearity, terminal can switch to high voltage as PA power supply, improve the linearity；Under the application scenarios that efficiency requirements are higher than linearity, terminal can switch to low-voltage as PA power supply, improve efficiency, while also reducing power consumption.
In a kind of possible design, in the first possible implementation of the first aspect, target parameter includes power, rate and coded modulation mechanism, it is to be understood that the target parameter of frame emission includes: frame emission power, transmitting frame rate or frame emission coded modulation mechanism.
In a kind of possible design, in the second possible implementation of the first aspect, when target parameter is power, the first preset condition are as follows: power is less than or equal to the first pre-determined threshold；At this time, when frame emission power is not more than the first pre-determined threshold, terminal output first voltage is powered for PA, wherein, first pre-determined threshold be according to practical application scene it needs to be determined that performance number, first voltage is in PA in the corresponding high voltage of above-mentioned practical application scene, and the first voltage is close to the upper limit voltage within the scope of PA normal working voltage；
Second preset condition are as follows: power is greater than the first pre-determined threshold；At this time, when frame emission power is greater than the first pre-determined threshold, terminal output second voltage is powered for PA, wherein, first pre-determined threshold be according to practical application scene it needs to be determined that frame emission performance number, second voltage is in PA in the corresponding low-voltage of above-mentioned practical application scene, and the second voltage is close to the lower voltage limit within the scope of PA normal working voltage.
Secondly, it is to be understood that the operating voltage range i.e. operating mode (high linearity mode or high efficiency mode) of PA is judged by frame emission power so that terminal selectively export first voltage or second voltage be PA power.
In a kind of possible design, in a third possible implementation of the first aspect, when target parameter is rate, first preset condition are as follows: rate is more than or equal to the second pre-determined threshold, at this time, when emitting frame rate not less than the second pre-determined threshold, terminal output first voltage is powered for PA, wherein, second pre-determined threshold is the transmitting frame rate value determined according to practical application scene, it is equivalent to corresponding first pre-determined threshold of frame emission power, first voltage is the voltage close to upper limit voltage within the scope of PA normal working voltage, it can be understood as high voltage；
Second preset condition are as follows: rate is less than the second pre-determined threshold, at this time, when emitting frame rate less than the second pre-determined threshold, terminal output second voltage is powered for PA, wherein, the second pre-determined threshold is the transmitting frame rate value determined according to practical application scene, is equivalent to corresponding first pre-determined threshold of frame emission power, second voltage is the voltage close to lower voltage limit within the scope of PA normal working voltage, it can be understood as low-voltage.
In a kind of possible design, in a fourth possible implementation of the first aspect, when target parameter is coded modulation mechanism, the first preset condition are as follows: coded modulation mechanism is more than or equal to third pre-determined threshold；At this time, when frame emission coded modulation mechanism is not less than third pre-determined threshold, terminal exports first voltage, wherein, it (is MCS5 as worked as third pre-determined threshold, if frame emission coded modulation mechanism is MCS6 that first voltage, which is the frame emission coded modulation mechanism determined according to practical application scene, MCS7, MCS8 etc., then terminal determines frame emission coded modulation mechanism not less than third pre-determined threshold), the third
Pre-determined threshold is equivalent to corresponding first pre-determined threshold of frame emission power, and corresponding second pre-determined threshold of transmitting frame rate, and first voltage is the voltage close to upper limit voltage within the scope of PA normal working voltage, it can be understood as high voltage；
Second preset condition are as follows: coded modulation mechanism is less than third pre-determined threshold, at this time, when frame emission coded modulation mechanism is less than third pre-determined threshold, terminal exports second voltage, wherein, second voltage is that the frame emission coded modulation mechanism determined according to practical application scene (is MCS5 as worked as third pre-determined threshold, if frame emission coded modulation mechanism is MCS4, MCS3, MCS2 etc., then terminal determines that frame emission coded modulation mechanism is less than third pre-determined threshold), the third pre-determined threshold is equivalent to corresponding first pre-determined threshold of frame emission power, the second pre-determined threshold corresponding with transmitting frame rate, second voltage is the voltage close to lower voltage limit within the scope of PA normal working voltage, it can be understood as low-voltage.
In a kind of possible design, in the fifth possible implementation of the first aspect, before terminal exports first voltage, further includes:
Terminal generates target control signal, wherein the target control signal includes two or more control signals.
In a kind of possible design, in the sixth possible implementation of the first aspect, when target control signal includes two control signals, i.e. first control signal or second control signal；Terminal exports first voltage, comprising:
Terminal generates first voltage according to above-mentioned first control signal as PA power supply, wherein first control signal can be high-level control signal, remaining associated description can be detailed in above-mentioned several possible implementations, and details are not described herein again；
In addition, terminal exports second voltage, comprising:
It is that PA powers that terminal, which generates the second pressure according to above-mentioned second control signal, wherein second control signal can be low level control signal, remaining associated description can be detailed in above-mentioned several possible implementations, and details are not described herein again.
In a kind of possible design, in a seventh possible implementation of the first aspect, when target control signal includes at least three control signal, terminal generates target control signal, comprising:
Terminal generates any of at least three control signals control signal, so that terminal control PA work is under the corresponding operating mode of target control signal, wherein a control signal corresponds to a kind of different operating mode.
Second aspect, the embodiment of the present application provide a kind of terminal, which has the function of realizing terminal behavior in above method embodiment.The function can also execute corresponding software realization by hardware realization by hardware.The hardware or software include one or more modules corresponding with above-mentioned function.
The third aspect, the embodiment of the present application provide a kind of terminal, comprising: control circuit, power supply circuit and PA；When the terminal operating, the control circuit, power supply circuit and PA execute the corresponding operation of first aspect any one, so that the terminal executes the voltage control method such as above-mentioned first aspect any one.
Fourth aspect, the embodiment of the present application provides a kind of computer readable storage medium, for being stored as computer software instructions used in above-mentioned terminal, when run on a computer, computer is allowed to execute the voltage control method of any one of above-mentioned first aspect.
5th aspect, the embodiment of the present application provide a kind of computer program product comprising instruction, when run on a computer, computer are allowed to execute the voltage control method of any one of above-mentioned first aspect.
In addition, second aspect technical effect brought by any design method into the 5th aspect can be found in technical effect brought by different designs mode in first aspect, details are not described herein again.
Fig. 1 is a kind of system framework schematic diagram provided by the embodiments of the present application；
Fig. 2 is a kind of schematic diagram of voltage control method provided by the embodiments of the present application；
Fig. 3 is a kind of schematic diagram of terminal provided by the embodiments of the present application；
Fig. 4 is the schematic diagram of another terminal provided by the embodiments of the present application；
Fig. 5 is the schematic diagram of another terminal provided by the embodiments of the present application.
The embodiment of the present application provides a kind of voltage control method and terminal, for changing the voltage levels of output voltage to meet in different operating scene PA to the different demands of the linearity and efficiency.
The description and claims of this application and the (if present)s such as term " first " in above-mentioned attached drawing, " second ", " third ", " the 4th " are to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that the data used in this way are interchangeable under appropriate circumstances, so that the embodiments described herein can be implemented with the sequence other than the content for illustrating or describing herein.Furthermore, term " includes " and " having " and their any deformation, it is intended to cover and non-exclusive includes, such as, the process, method, system, product or equipment for containing a series of steps or units those of are not necessarily limited to be clearly listed step or unit, but may include other step or units being not clearly listed or intrinsic for these process, methods, product or equipment.
As shown in Figure 1, terminal 10 is mainly used in WiFi communication system, such as terminal 10 can be placed in wireless router, mobile phone terminal or OTT (over the top, OTT) box etc. uses, terminal 10 includes control circuit 101, with power amplifier (power amplifier, PA) 102, with power supply circuit 103, wherein the control circuit 101 has arbitration functions, first, control circuit 101 is according to the different target parameter of frame emission (including power, rate or coded modulation mechanism etc.) corresponding control signal is issued to power supply circuit 103, so that power supply circuit provides different output voltages to power amplifier 102.
Wherein, there are in the application scenarios of two target control signals (first control signal and second control signal), control circuit 101 may determine that the target parameter (being illustrated by taking power as an example below) of frame emission, specific deterministic process may is that when the power of frame emission meets preset condition (power of such as frame emission is greater than pre-determined threshold performance number i.e. the first pre-determined threshold), control circuit 101 exports first control signal (such as high-level control signal) to power supply circuit 103, so that power supply circuit 103 exports first voltage (such as high voltage) as the power supply of power amplifier 102, so that the work of power amplifier 102 is under high linearity mode, improve the linearity；When the power of frame emission is unsatisfactory for preset condition (power of such as frame emission is less than pre-determined threshold performance number i.e. the first pre-determined threshold), control circuit 101 exports second control signal (such as low level control signal) to power supply circuit 103, so that power supply circuit 103 exports second voltage (such as low-voltage) as the power supply of power amplifier 102, so that the work of power amplifier 102 is under high efficiency mode, it improves efficiency, while reducing power consumption.
In addition, there are in the application scenarios of at least three target control signals, terminal 10 can not include power supply circuit 103, and in such application scenarios, terminal 10 includes control circuit 101 and power amplifier 102；At this time, control circuit 101 can export different control signals, it is worked under different operating modes to control power amplifier 102, be specifically as follows (wherein target parameter is illustrated by taking power as an example): firstly, according to the size of performance number by power divider be N number of different power bracket (such as range A, range B, range C, with range D etc.), N is not less than 2 positive integer, equally by PA's
Operating voltage range determines that N number of different control signal, control signal may include: control signal A according to above-mentioned N number of different power bracket, controls signal B, signal C, and control signal D etc. are controlled, wherein, it should be noted that control signal is the level being divided into according to voltage value difference；Secondly, the output of control circuit 101 control signal A is when the power of frame emission belongs to range A to control the work of power amplifier 102 in mode, similarly, when the power of frame emission belongs to range B, the output control signal B of control circuit 101, so that the work of power amplifier 102 is in modeb；When the power of frame emission belongs to range C, the output control signal C of control circuit 101, so that the work of power amplifier 102 is in mode c；When the power of frame emission belongs to range D, the output control signal D of control circuit 101, so that power amplifier 102 works at mode D, wherein it should be noted that Mode A, Mode B, mode C and mode D can carry out relevant definition according to different PA performances.
Furthermore, it should be noted that, there are in the application scenarios of at least three target control signals, terminal 10 also may include power supply circuit 103, at this point it is possible to which the normal working voltage range of PA is divided into first voltage and second voltage according to voltage swing in advance, such as the normal working voltage range of PA is 3.3V-5V, then power supply circuit 103 can provide first voltage (such as 4.2V-5V) or second voltage (such as 3.3V-4.2V)；When terminal 10 includes power supply circuit 103, it can be the normal working voltage range of PA be divided at least three voltage ranges in advance, wherein, the corresponding target control signal of one voltage range, for example, there are four target control signals, the normal working voltage range (such as 3.3V-5V) of PA is then divided into four voltage range (such as 3.3V-3.7V, 3.7V-4.2V, 4.2V-4.6V, 4.6V-5V).Any restrictions are not done to this application.
The embodiment of the present application in order to better understand, below from PA work in high efficiency mode or the angle of high linearity mode, successively to the application implement in voltage control method and terminal be illustrated, specifically can be as follows:
As shown in Fig. 2, in the embodiment of the present application voltage control method one embodiment, comprising:
201, terminal determines the target parameter of frame emission according to the link-quality of Target Link.
Terminal determines the target parameter of frame emission according to the link-quality of Target Link, wherein Target Link is the link for sending frame emission, and target parameter is the associated arguments for characterizing the link-quality of Target Link.
Secondly, above-mentioned target parameter can be power, rate or the coded modulation mechanism etc. of frame emission.
202, terminal judges that target parameter meets the first preset condition or the second preset condition, if target parameter meets the first preset condition, thens follow the steps 203；If target parameter meets the second preset condition, 204 are thened follow the steps.
When terminal knows above-mentioned target parameter, terminal judges that target parameter meets the first preset condition or the second preset condition, if target parameter meets the first preset condition, thens follow the steps 203；If target parameter meets the second preset condition, 204 are thened follow the steps.
Optionally, if target parameter is frame emission power, the first preset condition is that power is less than or equal to the first pre-determined threshold, and the second preset condition is that power is greater than the second pre-determined threshold, therefore, when frame emission power is less than or equal to the first pre-determined threshold, executes step 203；When frame emission power is greater than the first pre-determined threshold, step 204 is executed.Wherein, the first pre-determined threshold is previously according to different operative scenarios and the performance number for requiring to set, and concretely 23dBm does not do any restrictions to this application it is of course also possible to be other predetermined power values.
Optionally, if target parameter is transmitting frame rate, the first preset condition is that rate is more than or equal to the second pre-determined threshold, and the second preset condition is rate less than the second pre-determined threshold；Therefore, when emitting frame rate more than or equal to the second pre-determined threshold, step 203 is executed；When emitting frame rate less than the second pre-determined threshold, step 204 is executed.Wherein, the second pre-determined threshold is
Previously according to different operative scenarios and the rate value set is required, concretely 18Mbps does not do any restrictions to this application it is of course also possible to be other scheduled rate values.
Optionally, if target parameter is frame emission coded modulation mechanism, the first preset condition is that coded modulation mechanism is more than or equal to third pre-determined threshold, and the second preset condition is that coded modulation mechanism is less than third pre-determined threshold；Therefore, when frame emission coded modulation mechanism is greater than or equal to third pre-determined threshold, step 203 is executed；When frame emission coded modulation mechanism is less than third pre-determined threshold, step 204 is executed.Wherein, the second pre-determined threshold is previously according to different operative scenarios and the coded modulation mechanism such as MCS5 for requiring to set, when frame emission coded modulation mechanism is MCS1, MCS2, when any of MCS3, MCS4, terminal determines that frame emission coded modulation mechanism is less than third pre-determined threshold；Similarly, when frame emission coded modulation mechanism is MCS5, MCS6, MCS7, MCS8, MCS9, MCS10, MCS11, MCS12, when any of MCS13, MCS14, MCS15, terminal determines that frame emission coded modulation mechanism is greater than or equal to third pre-determined threshold, it is of course also possible to be other pre-arranged code modulation schemes, any restrictions are not done to this application.
203, terminal exports first voltage.
When terminal determines target parameter the first preset condition of satisfaction of frame emission, terminal exports first voltage.
Optionally, terminal exports first voltage directly as PA power supply, wherein, first voltage is the voltage of (such as 3.3V-5V) upper limit voltage (5V) close within the scope of PA normal working voltage, it can be regarded as high voltage, so that terminal works under high voltage mode, guarantee high linearity, to guarantee PA performance.Wherein, it should be noted that high voltage may be considered voltage of the voltage value within the scope of 4.2V-5V, below the description in relation to high voltage it is similar with this, will not be described in great detail below.
Optionally, firstly, terminal generates first control signal, then, terminal exports first voltage according to the first control signal, wherein first voltage is the voltage of (such as 3.3V-5V) upper limit voltage (5V) close within the scope of PA normal working voltage, it can be regarded as high voltage, in addition, first control signal can be a high-level control signal, so that terminal works are under high voltage mode, guarantee high linearity, to guarantee PA performance.
204, terminal exports second voltage.
When terminal determines target parameter the second preset condition of satisfaction of frame emission, terminal exports second voltage.
Optionally, terminal exports second voltage directly as PA power supply, wherein, second voltage is the voltage of (such as 3.3V-5V) lower voltage limit (3.3V) close within the scope of PA normal working voltage, it can be regarded as low-voltage, so that terminal works in a low-voltage mode, improve efficiency and reduce power consumption, to guarantee PA performance.Wherein, it should be noted that low-voltage may be considered voltage of the voltage value within the scope of 3.3V-4.2V, below the description in relation to low-voltage it is similar with this, will not be described in great detail below.
Optionally, firstly, terminal generates second control signal, then, terminal exports second voltage according to the second control signal, wherein second voltage is the voltage of (such as 3.3V-5V) lower voltage limit (3.3V) close within the scope of PA normal working voltage, it can be regarded as low-voltage, in addition, second control signal can be a low level control signal, so that terminal works are in a low-voltage mode, power consumption is improved efficiency and reduces, to guarantee PA performance.
In the present embodiment, terminal obtains the target parameter of the corresponding frame emission of Target Link；When above-mentioned target parameter meets the first preset condition, terminal determines that output voltage is the first voltage close to upper limit voltage in PA normal range of operation, so that PA work is under high linearity mode, it should be appreciated that first voltage is high voltage at this time；When above-mentioned target parameter meets the second preset condition, terminal output voltage is the second voltage close to lower voltage limit within the scope of PA normal working voltage, so that PA work is under high efficiency mode, it should be understood that, second voltage is low-voltage at this time, and therefore, the embodiment of the present application can pass through the voltage levels of change output voltage, so that can satisfy different operating field when being powered using above-mentioned output voltage for PA
Different demands of the PA to the linearity and efficiency in scape.
Voltage control method is described in detail in above-described embodiment a pair of the embodiment of the present application, will be illustrated below to terminal in the embodiment of the present application.
It should be noted that the device of the concrete models such as chip involved in following example, is not uniquely, to be also possible to other devices with the same function, do not do any restrictions to this application.
As shown in figure 3, one embodiment of the terminal in the embodiment of the present application, comprising:
Think Hi XXXX chip 301 and power supply circuit 302 in sea, wherein Hai Si Hi XXXX chip 301 is built-in with the judgment module 3011 of arbitration functions, and power supply circuit 302 includes resistance, chopper DC-DC and NPN triode Q；
The base stage of NPN triode Q is connected with judgment module 3011, and the collector of NPN triode Q is connected with one end of resistance R3, the emitter ground connection of NPN triode Q；
The other end of resistance R3 and one end of resistance R2 are connected to form first node, the other end ground connection of resistance R2；
Chopper DC-DC includes input terminal, feedback (feed back, FB) end and output end, wherein, input termination 12V DC voltage, the end FB is connected with the one end resistance Rt, the other end of resistance Rt is connected with resistance R1, and is connected to first node, and the other end of resistance R1 is connected with output end constitutes the input terminal of terminal.
It should be noted that the control function that judgment module 3011 built-in in Hi XXXX chip 301 executes response as control circuit is thought in sea, control circuit is also possible to the intelligent chip with said function, does not do any restrictions to this application.
Wherein, chopper DC-DC is by taking MP14995 as an example, it is available according to the inherent characteristic of MP14995, the output voltage Vo of output end: pass through reasonable parameter designing, when judgment module 3011 exports first control signal, that is, high level, NPN triode Q conducting, resistance R2 and resistance R3 are in parallel, and output end is according to expression formula one: Vo=0.807* (1+R1* (R2+R3)/(R2*R3)) output HIGH voltage；When judgment module 3011 exports second control signal, that is, low level, NPN triode Q is not turned on, R3=0, and resistance R2 and resistance R3 are equivalent to only R2, and output end exports low-voltage according to expression formula two: Vo=0.807* (1+R1/R2).
In a kind of design, the resistance value of resistance Rt is 33K；The resistance value of resistance R1 is 60.4K, and the resistance value of resistance R2 is 13.2K, and the resistance value of resistance R3 is 133K.
Furthermore, the judgment module 3011 that sea thinks built in Hi XXXX chip 301 can be used for judging that power, rate and the coded modulation mechanism of frame emission meet the first preset condition or meets the second preset condition, when meeting the first preset condition, judgment module 3011 exports first control signal, that is, high level to NPN triode Q, so that 302 output HIGH voltage of power supply module is PA power supply；When meeting the second preset condition, judgment module 3011 exports second control signal, that is, low level to NPN triode Q, so that power supply module 302 exports low-voltage as PA power supply, other associated descriptions see the associated description of method part in embodiment one, and details are not described herein again.
In the present embodiment, it should be noted that, in actual implementation, it can be by suitably changing circuit components so that when the target parameter of frame emission meets condition, directly output first voltage is PA power supply, without generating first control signal, first voltage can be understood as the voltage under high linearity mode so that PA works, similarly when the target parameter of frame emission is unsatisfactory for condition, without generation second control signal, just directly output second voltage is PA power supply, so that PA work is under high efficiency mode, the application does not do any restrictions to this.
Secondly, can also be by suitably changing circuit components so that when the target parameter of frame emission meets condition, terminal generates high and low level and realizes high linearity and efficient switching to directly control PA, for which kind of level control PA realization
Which kind of mode determines, the application does not do any restrictions according to PA demand.Therefore, specific implementation of the PA work under different mode (high linearity mode or high efficiency mode) is made for terminal, the application does not also do any restrictions.
The embodiment of the present application also provides a kind of terminal, comprising: determining module 401, the first output module 402 and the second output module 403；
Determining module 401 determines the target parameter of frame emission for the link-quality according to Target Link, which is the link for sending the frame emission, which is the associated arguments for characterizing the link-quality；
First output module 402, for exporting first voltage when the target parameter meets the first preset condition, so that power amplifier work is under high linearity mode；
Second output module 403, for exporting second voltage when the target parameter is unsatisfactory for the preset condition, so that power amplifier work is under high efficiency mode.
Optionally, in one possible implementation, target parameter includes power, rate or modulating-coding mechanism.
Optionally, in one possible implementation, when the target parameter is the power, first preset condition is that the power is less than or equal to the first pre-determined threshold, at this point it is possible to which what is understood is, first output module is specifically used for: when the power is less than or equal to the first pre-determined threshold, exporting the first voltage；
Second preset condition is that the power is greater than first pre-determined threshold, at this point it is possible to understand, the second output module is specifically used for: when the performance number is greater than second pre-determined threshold, exporting the second voltage.
Optionally, in one possible implementation, when the target parameter is the rate, first preset condition is that the rate is more than or equal to the second pre-determined threshold, at this point it is possible to which what is understood is, first output module is specifically used for: when the rate is not less than the second pre-determined threshold, exporting the first voltage；
Second preset condition is that the rate is less than second pre-determined threshold, at this point it is possible to understand, the second output module is specifically used for: when the rate is less than second pre-determined threshold, exporting the second voltage.
Optionally, in one possible implementation, when the target parameter is the modulating-coding mechanism, first preset condition is that the coded modulation mechanism is more than or equal to third pre-determined threshold, at this time, it is understood that the first output module is specifically used for: when the coded modulation mechanism is not less than third pre-determined threshold, exporting the first voltage；
Second preset condition is that the coded modulation mechanism is less than the third pre-determined threshold, at this point it is possible to understand, the second output module is specifically used for: when the coded modulation mechanism is less than third pre-determined threshold, exporting the second voltage.
As shown in figure 5, terminal further include: generation module 504, wherein generation module 504, for generating target control signal, wherein the target control signal includes at least two control signals.
Optionally, in one possible implementation, when target control signal includes two control signals, i.e. first control signal or second control signal, the first output module 502 and the second output module 503 perform the following operations respectively:
First output module 502 is specifically used for: exporting the first voltage according to the first control signal；
Second output module 503 is specifically used for: exporting the second voltage according to the second control signal.
Optionally, in one possible implementation, when target control signal includes at least three control signal, generation module 504 is specifically used for: any of at least three control signal control signal is generated, so that terminal control PA work is under the corresponding operating mode of target control signal.
In the present embodiment, the associated description of Fig. 4 and Fig. 5 can be understood refering to the associated description and effect of Fig. 2 method part, do not done and excessively repeated herein.
It is apparent to those skilled in the art that for convenience and simplicity of description, the specific work process of the system, apparatus, and unit of foregoing description can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In several embodiments provided herein, it should be understood that disclosed system, device and method may be implemented in other ways.Such as, the apparatus embodiments described above are merely exemplary, such as, the division of the unit, only a kind of logical function partition, there may be another division manner in actual implementation, such as multiple units or components can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, shown or discussed mutual coupling, direct-coupling or communication connection can be through some interfaces, the indirect coupling or communication connection of device or unit, can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, and component shown as a unit may or may not be physical unit, it can and it is in one place, or may be distributed over multiple network units.It can some or all of the units may be selected to achieve the purpose of the solution of this embodiment according to the actual needs.
In addition, each functional unit in each embodiment of the application can integrate in one processing unit, it is also possible to each unit and physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated unit both can take the form of hardware realization, can also realize in the form of software functional units.
If the integrated unit is realized in the form of SFU software functional unit and when sold or used as an independent product, can store in a computer readable storage medium.Based on this understanding, substantially all or part of the part that contributes to existing technology or the technical solution can be embodied in the form of software products the technical solution of the application in other words, the computer software product is stored in a storage medium, it uses including some instructions so that a computer equipment (can be personal computer, server or the network equipment etc.) execute each embodiment the method for the application all or part of the steps.And storage medium above-mentioned includes: USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), the various media that can store program code such as magnetic or disk.
The above, above embodiments are 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 should understand that: it is still possible to modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；And these are modified or replaceed, the range of each embodiment technical solution of the application that it does not separate the essence of the corresponding technical solution.
Claims (24)
- A kind of voltage control method characterized by comprisingTerminal determines that the target parameter of frame emission, the Target Link are the link for sending the frame emission according to the link-quality of Target Link, and the target parameter is the associated arguments for characterizing the link-quality；When the target parameter meets the first preset condition, the terminal exports first voltage, so that power amplifier work is under high linearity mode；When the target parameter meets the second preset condition, the terminal exports second voltage, so that power amplifier work is under high efficiency mode.
- Voltage control method according to claim 1, which is characterized in that the target parameter includes power, rate or modulating-coding mechanism.
- Voltage control method according to claim 2, which is characterized in that when the target parameter is the power,First preset condition are as follows: the power is less than or equal to the first pre-determined threshold；Second preset condition are as follows: the power is greater than first pre-determined threshold.
- Voltage control method according to claim 2, which is characterized in that when the target parameter is the rate,First preset condition are as follows: the rate is more than or equal to the second pre-determined threshold；Second preset condition are as follows: the rate is less than second pre-determined threshold.
- Voltage control method according to claim 2, which is characterized in that when the target parameter is the modulating-coding mechanism,First preset condition are as follows: the coded modulation mechanism is more than or equal to third pre-determined threshold；Second preset condition are as follows: the coded modulation mechanism is less than the third pre-determined threshold.
- Voltage control method according to any one of claims 1 to 5, which is characterized in that the terminal exports before the first voltage, further includes:The terminal generates target control signal, and the target control signal includes at least two control signals.
- Voltage control method according to claim 6, which is characterized in that when the target control signal includes two control signals, i.e. first control signal or second control signal；The terminal exports the first voltage, comprising:The terminal exports the first voltage according to the first control signal；The terminal exports the second voltage, comprising:The first terminal exports the second voltage according to the second control signal.
- Voltage control method according to claim 6, which is characterized in that when the target control signal includes at least three control signal, the terminal generates target control signal, comprising:The terminal generates any of described at least three target control signal control signal, so that the work of power amplifier described in the terminal control is under the corresponding operating mode of the target control signal.
- A kind of terminal characterized by comprisingDetermining module determines that the target parameter of frame emission, the Target Link are the link for sending the frame emission for the link-quality according to Target Link, and the target parameter is the associated arguments for characterizing the link-quality；First output module, for exporting first voltage when the target parameter meets the first preset condition, so that power amplifier work is under high linearity mode；Second output module, for exporting second voltage when the target parameter meets the second preset condition, so that power amplifier work is under high efficiency mode.
- Terminal according to claim 9, which is characterized in that the target parameter includes power, rate or modulating-coding mechanism.
- Terminal according to claim 10, which is characterized in that when the target parameter is the power,First preset condition are as follows: the power is less than or equal to the first pre-determined threshold；Second preset condition are as follows: the power is greater than first pre-determined threshold.
- Terminal according to claim 10, which is characterized in that when the target parameter is the rate,First preset condition are as follows: the rate is more than or equal to the second pre-determined threshold；Second preset condition are as follows: the rate is less than second pre-determined threshold.
- Terminal according to claim 10, which is characterized in that when the target parameter is the modulating-coding mechanism,First preset condition are as follows: the coded modulation mechanism is more than or equal to third pre-determined threshold；Second preset condition are as follows: the coded modulation mechanism is less than the third pre-determined threshold.
- The terminal according to any one of claim 9 to 13, which is characterized in that the terminal further include:Generation module, for generating target control signal, the target control signal includes at least two control signals.
- Terminal according to claim 14, which is characterized in that when the target control signal includes two control signals, i.e. first control signal or second control signal；First output module is specifically used for: exporting the first voltage according to the first control signal；Second output module is specifically used for: exporting the second voltage according to the second control signal.
- Terminal according to claim 14, which is characterized in that when the target control signal includes at least three control signal, the terminal generates target control signal, comprising:The terminal generates any of described at least three target control signal control signal, so that the work of PA described in the terminal control is under the corresponding operating mode of the target control signal.
- A kind of terminal characterized by comprisingControl circuit, power supply circuit and power amplifier；The control circuit determines that the target parameter of frame emission, the Target Link are the link for sending the frame emission according to the link-quality of Target Link, and the target parameter is the associated arguments for characterizing the link-quality；When the target parameter meets the first preset condition, the power supply circuit exports first voltage to the power amplifier, so that power amplifier work is under high linearity mode；When the target parameter meets the second preset condition, the power supply circuit exports second voltage to the power amplifier, so that power amplifier work is under high efficiency mode.
- Terminal according to claim 17, which is characterized in that the target parameter includes power, rate or modulating-coding mechanism.
- Terminal according to claim 18, which is characterized in that when the target parameter is the power,First preset condition are as follows: the power is less than or equal to the first pre-determined threshold；Second preset condition are as follows: the power is greater than first pre-determined threshold.
- Terminal according to claim 18, which is characterized in that when the target parameter is the rate,First preset condition are as follows: the rate is more than or equal to the second pre-determined threshold；Second preset condition are as follows: the rate is less than second pre-determined threshold.
- Terminal according to claim 18, which is characterized in that when the target parameter is the modulating-coding mechanism,First preset condition are as follows: the coded modulation mechanism is more than or equal to third pre-determined threshold；Second preset condition are as follows: the coded modulation mechanism is less than the third pre-determined threshold.
- According to claim 1, terminal described in any one of 7 to 21, which is characterized in that the control circuit is also used to: generating target control signal, and the target control signal includes at least two control signals.
- Terminal according to claim 22, which is characterized in that when the target control signal includes two control signals, i.e. first control signal or second control signal；The power supply circuit is specifically used for:When the target control signal is the first control signal, the power supply circuit exports the first voltage to the power amplifier according to the first control signal；When the target control signal is the second control signal, the power supply circuit exports the second voltage to the power amplifier according to the second control signal.
- Terminal according to claim 22, it is characterized in that, when the target control signal includes at least three control signal, the control circuit is specifically used for: any of described at least three target control signal control signal is generated, so that power amplifier work is under the corresponding operating mode of the target control signal.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2017100768880 | 2017-02-13 | ||
| CN201710076888 | 2017-02-13 | ||
| PCT/CN2017/084844 WO2018145368A1 (en) | 2017-02-13 | 2017-05-18 | Voltage control method and terminal |
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| Publication Number | Publication Date |
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| CN109075749A true CN109075749A (en) | 2018-12-21 |
| CN109075749B CN109075749B (en) | 2021-06-15 |
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| CN201780026317.4A Active CN109075749B (en) | 2017-02-13 | 2017-05-18 | Voltage control method and terminal |
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| Country | Link |
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| CN (1) | CN109075749B (en) |
| WO (1) | WO2018145368A1 (en) |
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| CN111726140A (en) * | 2020-06-19 | 2020-09-29 | 维沃移动通信有限公司 | Power amplifier control method and device, WIFI radio frequency circuit and electronic equipment |
| CN112650378A (en) * | 2020-12-28 | 2021-04-13 | Oppo（重庆）智能科技有限公司 | Electronic device, power consumption optimization method for electronic device, and storage medium |
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| CN1914810A (en) * | 2004-01-27 | 2007-02-14 | 松下电器产业株式会社 | Transmitter and wireless communication apparatus |
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| CN111726140A (en) * | 2020-06-19 | 2020-09-29 | 维沃移动通信有限公司 | Power amplifier control method and device, WIFI radio frequency circuit and electronic equipment |
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| CN112650378A (en) * | 2020-12-28 | 2021-04-13 | Oppo（重庆）智能科技有限公司 | Electronic device, power consumption optimization method for electronic device, and storage medium |
| CN112650378B (en) * | 2020-12-28 | 2023-04-25 | Oppo（重庆）智能科技有限公司 | Electronic device, power consumption optimization method for electronic device, and storage medium |
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| Publication number | Publication date |
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| WO2018145368A1 (en) | 2018-08-16 |
| CN109075749B (en) | 2021-06-15 |
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