CN101710925A - Device and method for lowering power consumption of complete machine - Google Patents
Device and method for lowering power consumption of complete machine Download PDFInfo
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- CN101710925A CN101710925A CN200910258124A CN200910258124A CN101710925A CN 101710925 A CN101710925 A CN 101710925A CN 200910258124 A CN200910258124 A CN 200910258124A CN 200910258124 A CN200910258124 A CN 200910258124A CN 101710925 A CN101710925 A CN 101710925A
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- dcdc converter
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
- H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
- H03F1/0211—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers with control of the supply voltage or current
- H03F1/0216—Continuous control
- H03F1/0222—Continuous control by using a signal derived from the input signal
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- 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
- H03F3/24—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages
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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
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0261—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/204—A hybrid coupler being used at the output of an amplifier circuit
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/02—Transmitters
- H04B1/04—Circuits
- H04B2001/0408—Circuits with power amplifiers
- H04B2001/0416—Circuits with power amplifiers having gain or transmission power control
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/02—Transmitters
- H04B1/04—Circuits
- H04B2001/0408—Circuits with power amplifiers
- H04B2001/045—Circuits with power amplifiers with means for improving efficiency
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The embodiment of the invention provides a device and a method for lowering the power consumption of a complete machine. The device comprises a baseband processor, a power amplifier PA, a battery and a DCDC converter, wherein the battery provides input voltage for the DCDC converter, and the output voltage of the DCDC converter provides a power supply for the PA; the baseband processor is used for regulating the gain of the PA; and when the baseband processor regulates the gain of the PA, a control signal is output to the control end of the DCDC converter and controls the DCDC converter to output voltage which is matched with the gain of the PA after being regulated. The direct power supply for the PA is realized by adding the DCDC converter; and the battery supplies power for the PA indirectly. Thus, the problem of efficiency lowering of the PA caused by the unconformity of the power supply voltage of the battery and the required voltage of the PA is avoided. In this way, the working efficiency of the PA can be enhanced, thereby lowering the power consumption of the PA and lowering the power consumption of the complete machine.
Description
Technical field
The present invention relates to the power consumption technology field, particularly a kind of device and method that reduces Overall Power Consumption.
Background technology
At present, all be to adopt powered battery during operating handset.Referring to Fig. 1, this figure is the structure chart of handset transmitter in the prior art.
As can be seen from Figure 1, battery provides power supply for power amplifier PA.
Usually the required voltage scope is 3.4-4.2V during the mobile phone operate as normal, and the shutdown threshold voltage of mobile phone is 3.4V, and the typical operating voltage of mobile phone is 3.8V.
For the PA of two-stage controllable gain, when PA is under the high gain mode, PA is based on and carries out the efficiency optimization design under the 3.4V voltage.Efficient can descend when the voltage of PA is higher than 3.4V.When battery for mobile phone voltage is powered to PA, there is the energy of quite a few battery to be dissipated on the PA.When PA is under the low gain mode, in one section very wide transmitter power output area (with CDMA or WCDMA,-50dBm～0dBm), PA also can keep the normal signal quality under far below the supply power voltage of cell voltage, if still continue to use cell voltage this moment is the PA power supply, has quite a few energy content of battery to be actually and is dissipated on the PA.
In sum, provide power supply with battery of mobile phone for PA in the mobile phone at present, have quite a few energy content of battery to consume on PA, therefore, cause the power consumption of mobile phone complete machine to increase, reduce operating efficiency.
Summary of the invention
The embodiment of the invention provides a kind of devices and methods therefor that reduces Overall Power Consumption, and the operating efficiency of battery of mobile phone can be provided, thereby reduces the power consumption of complete machine.
The embodiment of the invention provides a kind of device that reduces Overall Power Consumption, comprising: baseband processor, power amplifier PA and battery also comprise: dcdc converter; Described battery provides input voltage for described dcdc converter, and the output voltage of described dcdc converter provides power supply for described PA; Described baseband processor is used to regulate the gain of PA; When described baseband processor was regulated the gain of PA, the output control signal was given the control end of described dcdc converter, controlled described dcdc converter and exported the voltage that is complementary with the gain of regulating back PA.
The embodiment of the invention also provides a kind of device that reduces Overall Power Consumption, comprising: baseband processor, power amplifier PA and battery also comprise: dcdc converter, logical mappings module and D/A converter module; Described battery provides input voltage for described dcdc converter, and the output voltage of described dcdc converter provides power supply for described PA; Described baseband processor is used to regulate the gain of PA; Also be used for when the power output of described PA changes, the output control signal is given described logical mappings module; Described control signal is carried present output power and the gain of PA; Described logical mappings module is used for tabling look-up through logical mappings according to the present output power of described PA and gain and searches the output voltage controlling value of corresponding dcdc converter, and described output voltage controlling value is sent to described D/A converter module; Described D/A converter module, be used for described output voltage controlling value is converted to analog signal, described analog signal is sent to the control end of described dcdc converter, control the power output of described dcdc converter output and PA and regulate the voltage that the gain of back PA is complementary.
The embodiment of the invention also provides a kind of method that reduces Overall Power Consumption, comprising: when the gain of power amplifier PA changes, transmit control signal to dcdc converter, the voltage that the PA gain after output of control dcdc converter and the variation is complementary is the PA power supply; The input voltage of described dcdc converter is taken from battery.
The embodiment of the invention also provides a kind of method that reduces Overall Power Consumption, comprising: when the power output of power amplifier PA changes, transmit control signal, described control signal is carried present output power and the gain of PA; Table look-up through logical mappings according to the present output power of described PA and gain and to search the output voltage controlling value of corresponding dcdc converter; Described output voltage controlling value is converted to analog signal, described analog signal is sent to dcdc converter, the voltage that the gain after output of control dcdc converter and the variation is complementary is the PA power supply; The input voltage of described dcdc converter is taken from battery.
The device of the reduction Overall Power Consumption that above technical scheme, present embodiment provide comes for PA directly powers by increasing dcdc converter, and battery is the PA power supply indirectly.Like this, avoid powered battery voltage and PA required voltage inconsistent, the problem that the PA efficient that causes reduces.Because baseband processor is regulated the gain of PA, can be by baseband processor according to gain to dcdc converter output control signal corresponding, the voltage that dcdc converter output and gain are complementary is the PA power supply.Like this, can provide the operating efficiency of PA, thereby reduce the power consumption of PA, thereby reduce the power consumption of complete machine.
Description of drawings
Fig. 1 is the structure chart of handset transmitter in the prior art;
Fig. 2 is device embodiment one structure chart provided by the invention;
Fig. 3 is device embodiment two structure charts provided by the invention;
Fig. 4 is device embodiment three structure charts provided by the invention;
Fig. 5 is device embodiment four structure charts provided by the invention.
Embodiment
At present, the PA in the handset transmitter is that the battery by mobile phone provides power supply for it, but the gain of PA is not simultaneously, and the operating voltage that needs is different, therefore, powers for it with the voltage of battery, can reduce the operating efficiency of PA.Because the power consumption of PA accounts for the handset transmitter power consumption most, therefore, the power consumption of PA will directly influence the power consumption of handset transmitter, the invention provides a kind of device that reduces the mobile phone Overall Power Consumption, can supply with the voltage of PA according to the gain-adjusted of PA.
Device embodiment one:
Referring to Fig. 2, this figure is device embodiment one structure chart provided by the invention.
The device of the reduction Overall Power Consumption that present embodiment provides comprises: baseband processor 201, PA202 and battery 203 also comprise: dcdc converter 204.
Described battery 203 provides input voltage for described dcdc converter 204, and the output voltage of described dcdc converter 204 provides power supply for described PA202.
Described baseband processor 201 is used to regulate the gain of PA202; When described baseband processor 201 was regulated the gain of PA202, the output control signal was given the control end of described dcdc converter 204, the voltage that the gain after controlling described dcdc converter 204 outputs and regulating is complementary.
For example, when PA202 worked in high-gain, the operating voltage that PA202 needs was bigger, and at this moment, baseband processor 201 output control signal corresponding are given the control end of dcdc converter 204, and dcdc converter 204 will be exported higher voltage, be the PA202 power supply.When PA202 worked in low gain, the operating voltage that PA202 needs was bigger, and at this moment, baseband processor 201 output control signal corresponding are given the control end of dcdc converter 204, and dcdc converter 204 will be exported lower voltage, be the PA202 power supply.
For example, the control signal of baseband processor 201 outputs is 00 o'clock, and corresponding PA202 works in low gain, and when the control signal of output was 01, corresponding PA202 worked in high-gain.
Need to prove that PA202 is not limited to and works in two kinds of other gains of level, its gain can be multiple adjustable, and the change that control signal is carried out in corresponding baseband processor 201 corresponding its gains gets final product.
The device of the reduction Overall Power Consumption that present embodiment provides comes for PA202 directly powers by increasing dcdc converter 204, and battery 203 is the PA202 power supply indirectly.Like this, avoid battery 203 supply power voltages and PA202 required voltage inconsistent, the problem that the PA202 efficient that causes reduces.Because baseband processor 201 is regulated the gain of PA202, can be by baseband processor 201 according to gain to dcdc converter 204 output control signal corresponding, the voltage that dcdc converter 204 outputs and gain are complementary is the PA202 power supply.Like this, can provide the operating efficiency of PA202, thereby reduce the power consumption of PA202, thereby reduce the power consumption of complete machine.
Device embodiment two:
Referring to Fig. 3, this figure is device embodiment two structure charts provided by the invention.
The difference of present embodiment and embodiment one is to have increased: Postponement module 301.
The effect of Postponement module 301 is the change procedures when switching for smoothing processing PA high-gain and low gain, prevents that inner-loop power control from going wrong.
Described predetermined time interval can be set according to the concrete parameter of PA, does not do concrete restriction at this.
Need to prove that the control end of the dcdc converter 204 that device embodiment one and device embodiment two provide is receiving digital signals directly, therefore, described control signal can be digital signal.
Device embodiment three:
Referring to Fig. 4, this figure is device embodiment three structure charts provided by the invention.
The device of the reduction Overall Power Consumption that present embodiment provides comprises: baseband processor 401, PA402 and battery 403 also comprise: dcdc converter 404, logical mappings module 405 and D/A converter module 406.
Described battery 403 provides input voltage for described dcdc converter 404, and the output voltage of described dcdc converter 404 provides power supply for described PA202.
Described baseband processor 401 is used to regulate the gain of PA202; Also be used for when the power output of described PA402 changes, the output control signal is given described logical mappings module 405, and described control signal is carried present output power and the gain of PA.
Described logical mappings module is used for tabling look-up through logical mappings according to the present output power of described PA402 and gain and searches the output voltage controlling value of corresponding dcdc converter 404, and described output voltage controlling value is sent to described D/A converter module 405.
Described D/A converter module 406, be used for described output voltage controlling value is converted to analog signal, described analog signal is sent to the control end of described dcdc converter 404, control the power output of described dcdc converter output and PA and regulate the voltage that the gain of back PA is complementary.
Need to prove that present embodiment is that present embodiment is in conjunction with the power output of PA and the output voltage of two parametric joint control of gain dcdc converter with the difference of device embodiment one.Because the gain of PA is the grade numerical value that disperses, for example PA only has two stage gains, and one is high-gain, and one is low gain.But the power output of PA is the numerical value of a continuous transformation.Stored logic mapping table in advance in the logical mappings module 405 like this.When comprising the PA high-gain in the logical mappings table, the corresponding relation of the power output of PA and the operating voltage that needs, when also comprising the PA low gain, the corresponding relation of the power output of PA and the operating voltage that needs.Like this, when the power output of PA changes, the gain of possible PA is constant, therefore change the condition of output voltage by the continually varying power output as triggering dcdc converter, can control the output voltage of dcdc converter more accurately, thereby provide the voltage that is complementary with its need of work for PA more accurately.
The control end of the dcdc converter 404 that present embodiment provides is receiving digital signals directly, can only receive analog signal, so the device that present embodiment provides has increased the module that digital signal is converted to analog signal, comprise: control signal is tabled look-up by logic is mapped as corresponding output voltage controlling value, again the output voltage controlling value is converted to the control end that analog signal is defeated by dcdc converter 404.
The device of the reduction Overall Power Consumption that present embodiment provides comes for PA202 directly powers by increasing dcdc converter, and battery is the PA power supply indirectly.Like this, avoid powered battery voltage and PA required voltage inconsistent, the problem that the PA efficient that causes reduces.Because baseband processor is regulated the gain of PA, can be by baseband processor according to gain to dcdc converter output control signal corresponding, the voltage that dcdc converter output and gain are complementary is the PA power supply.Like this, can provide the operating efficiency of PA, thereby reduce the power consumption of PA, thereby reduce the power consumption of complete machine.
Device embodiment four:
Referring to Fig. 5, this figure is device embodiment four structure charts provided by the invention.
The difference of present embodiment and embodiment one is to have increased: Postponement module 501.
The effect of Postponement module 501 is the change procedures when switching for smoothing processing PA high-gain and low gain, prevents that inner-loop power control from going wrong.
Described predetermined time interval can be set according to the concrete parameter of PA, does not do concrete restriction at this.
The embodiment of the invention also provides a kind of method that reduces Overall Power Consumption.
Method embodiment one:
The method of the reduction Overall Power Consumption that present embodiment provides may further comprise the steps:
When the gain of power amplifier PA changed, baseband processor transmitted control signal to dcdc converter, and the voltage that the gain after output of control dcdc converter and the variation is complementary is the PA power supply; The input voltage of described dcdc converter is taken from battery.
The method that present embodiment provides, when the gain of PA changed, the voltage of dcdc converter output changed thereupon, and the voltage of PA and its gain are complementary, thereby improves the operating efficiency of PA, reduces its power consumption, and then reduced the power consumption of complete machine.
The method of the reduction power consumption that present embodiment provides can also can further include before transmitting control signal to dcdc converter: described control signal is carried out predetermined time interval postpone.
It is change procedure when switching for smoothing processing PA high-gain and low gain that described control signal is postponed, and prevents that inner-loop power control from going wrong.
Described predetermined time interval can be set according to the concrete parameter of PA, does not do concrete restriction at this.
Method embodiment two:
The method of the reduction Overall Power Consumption that present embodiment provides may further comprise the steps:
When the power output of PA changes, the output control signal, described control signal is carried present output power and the gain of PA; Table look-up through logical mappings according to the present output power of described PA and gain and to search the output voltage controlling value of corresponding dcdc converter;
Described output voltage controlling value is converted to analog signal, described analog signal is sent to dcdc converter, the voltage that the gain after output of control dcdc converter and the variation is complementary is the PA power supply; The input voltage of described dcdc converter is taken from battery.
Need to prove that the difference of present embodiment and method embodiment one is that present embodiment is in conjunction with the power output of PA and the output voltage of two parametric joint control of gain dcdc converter.Because the gain of PA is the grade numerical value that disperses, for example PA only has two stage gains, and one is high-gain, and one is low gain.But the power output of PA is the numerical value of a continuous transformation.Stored logic mapping table in advance in the logical mappings module 405 like this.When comprising the PA high-gain in the logical mappings table, the corresponding relation of the power output of PA and the operating voltage that needs, when also comprising the PA low gain, the corresponding relation of the power output of PA and the operating voltage that needs.Like this, when the power output of PA changes, the gain of possible PA is constant, therefore change the condition of output voltage by the continually varying power output as triggering dcdc converter, can control the output voltage of dcdc converter more accurately, thereby provide the voltage that is complementary with its need of work for PA more accurately.
The method that present embodiment provides, when the power output of PA changed, the voltage of dcdc converter output changed thereupon, voltage and its gain of PA are complementary, thereby improve the operating efficiency of PA, reduce its power consumption, and then reduce the power consumption of complete machine.
The method of the reduction Overall Power Consumption that present embodiment provides before described analog signal is sent to dcdc converter, can further include: described analog signal is carried out predetermined time interval postpone.
It is change procedure when switching for smoothing processing PA high-gain and low gain that described control signal is postponed, and prevents that inner-loop power control from going wrong.
Described predetermined time interval can be set according to the concrete parameter of PA, does not do concrete restriction at this.
One of ordinary skill in the art will appreciate that all or part of step that realizes in the said method execution mode is to instruct relevant hardware to finish by program, described program can be stored in the computer read/write memory medium, this program can comprise the content of aforesaid each execution mode of communication means when carrying out.Here the alleged storage medium that gets, as: ROM/RAM, magnetic disc, CD etc.
In sum, a kind of method that reduces Overall Power Consumption that the embodiment of the invention provided, when the gain of PA changes, the voltage of dcdc converter output changes thereupon, voltage and its gain of PA are complementary, thereby improve the operating efficiency of PA, reduce its power consumption, and then reduce the power consumption of complete machine.。
One of ordinary skill in the art will appreciate that all or part of step that realizes in the foregoing description method is to instruct relevant hardware to finish by program, described program can be stored in the computer read/write memory medium, this program is when carrying out, comprise the steps: when the gain of power amplifier PA changes, transmit control signal to dcdc converter, the voltage that the PA gain after output of control dcdc converter and the variation is complementary is the PA power supply; The input voltage of described dcdc converter is taken from battery.
Claims (8)
1. device that reduces Overall Power Consumption comprises: baseband processor, power amplifier PA and battery, it is characterized in that, and also comprise: dcdc converter;
Described battery provides input voltage for described dcdc converter, and the output voltage of described dcdc converter provides power supply for described PA;
Described baseband processor is used to regulate the gain of PA; When described baseband processor was regulated the gain of PA, the output control signal was given the control end of described dcdc converter, controlled described dcdc converter and exported the voltage that is complementary with the gain of regulating back PA.
2. the device of reduction Overall Power Consumption according to claim 1, it is characterized in that, also comprise: be connected in the Postponement module between described baseband processor and the described dcdc converter, be used for the control signal delay scheduled time of described baseband processor is sent to after at interval the control end of described dcdc converter.
3. device that reduces Overall Power Consumption comprises: baseband processor, power amplifier PA and battery, it is characterized in that, and also comprise: dcdc converter, logical mappings module and D/A converter module;
Described battery provides input voltage for described dcdc converter, and the output voltage of described dcdc converter provides power supply for described PA;
Described baseband processor is used to regulate the gain of PA; Also be used for when the power output of described PA changes, the output control signal is given described logical mappings module; Described control signal is carried present output power and the gain of PA;
Described logical mappings module is used for tabling look-up through logical mappings according to the present output power of described PA and gain and searches the output voltage controlling value of corresponding dcdc converter, and described output voltage controlling value is sent to described D/A converter module;
Described D/A converter module, be used for described output voltage controlling value is converted to analog signal, described analog signal is sent to the control end of described dcdc converter, control the power output of described dcdc converter output and PA and regulate the voltage that the gain of back PA is complementary.
4. the device of reduction Overall Power Consumption according to claim 3, it is characterized in that, also comprise: be connected in the Postponement module between described D/A converter module and the described dcdc converter, be used for and send to the control end of described dcdc converter behind the described delayed analog signal predetermined time interval.
5. a method that reduces Overall Power Consumption is characterized in that, may further comprise the steps:
When the gain of power amplifier PA changes, transmit control signal to dcdc converter, the voltage that the PA gain after output of control dcdc converter and the variation is complementary is the PA power supply; The input voltage of described dcdc converter is taken from battery.
6. the method for reduction Overall Power Consumption according to claim 5 is characterized in that, described transmitting control signal to before the dcdc converter also comprises: described control signal is carried out predetermined time interval postpone.
7. a method that reduces Overall Power Consumption is characterized in that, may further comprise the steps:
When the power output of power amplifier PA changes, transmit control signal, described control signal is carried present output power and the gain of PA;
Table look-up through logical mappings according to the present output power of described PA and gain and to search the output voltage controlling value of corresponding dcdc converter;
Described output voltage controlling value is converted to analog signal, described analog signal is sent to dcdc converter, the voltage that the gain after output of control dcdc converter and the variation is complementary is the PA power supply; The input voltage of described dcdc converter is taken from battery.
8. the method for reduction Overall Power Consumption according to claim 7 is characterized in that, described described analog signal is sent to before the dcdc converter, also comprises: described analog signal is carried out predetermined time interval postpone.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910258124A CN101710925A (en) | 2009-12-14 | 2009-12-14 | Device and method for lowering power consumption of complete machine |
| PCT/CN2010/079586 WO2011072585A1 (en) | 2009-12-14 | 2010-12-09 | Apparatus and method for reducing power consumption of complete machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910258124A CN101710925A (en) | 2009-12-14 | 2009-12-14 | Device and method for lowering power consumption of complete machine |
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| CN101710925A true CN101710925A (en) | 2010-05-19 |
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| CN200910258124A Pending CN101710925A (en) | 2009-12-14 | 2009-12-14 | Device and method for lowering power consumption of complete machine |
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| WO (1) | WO2011072585A1 (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011072585A1 (en) * | 2009-12-14 | 2011-06-23 | 华为终端有限公司 | Apparatus and method for reducing power consumption of complete machine |
| CN102346540A (en) * | 2011-09-19 | 2012-02-08 | 中兴通讯股份有限公司 | Device and method for reducing power consumption of electronic equipment |
| CN103376811A (en) * | 2012-04-12 | 2013-10-30 | 联发科技股份有限公司 | Power module |
| CN104580703A (en) * | 2014-12-19 | 2015-04-29 | 深圳职业技术学院 | Method and system for prolonging mobile phone working time |
| US9071200B2 (en) | 2012-04-12 | 2015-06-30 | Mediatek Inc. | Power module for envelope tracking |
| CN104812102A (en) * | 2014-01-25 | 2015-07-29 | 深圳富泰宏精密工业有限公司 | Radio communication apparatus |
| CN110196613A (en) * | 2019-05-28 | 2019-09-03 | 电子科技大学 | A kind of power supply device for DUT in integrated circuit test system |
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| US6639471B2 (en) * | 2001-04-16 | 2003-10-28 | Matsushita Electric Industrial Co., Ltd. | Power amplifier circuit, control method for power amplifier circuit, and portable terminal apparatus for mobile communication |
| KR20060029423A (en) * | 2004-10-01 | 2006-04-06 | 엘지전자 주식회사 | Mobile station having pam drive voltage changed function and method thereof |
| CN201398189Y (en) * | 2009-04-21 | 2010-02-03 | 上海闻泰电子科技有限公司 | Mobile phone transmission signal amplifying circuit |
| CN101710925A (en) * | 2009-12-14 | 2010-05-19 | 深圳华为通信技术有限公司 | Device and method for lowering power consumption of complete machine |
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2009
- 2009-12-14 CN CN200910258124A patent/CN101710925A/en active Pending
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2010
- 2010-12-09 WO PCT/CN2010/079586 patent/WO2011072585A1/en active Application Filing
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011072585A1 (en) * | 2009-12-14 | 2011-06-23 | 华为终端有限公司 | Apparatus and method for reducing power consumption of complete machine |
| CN102346540A (en) * | 2011-09-19 | 2012-02-08 | 中兴通讯股份有限公司 | Device and method for reducing power consumption of electronic equipment |
| CN102346540B (en) * | 2011-09-19 | 2016-06-22 | 中兴通讯股份有限公司 | A kind of device and method reducing powder consumption of electronic equipment |
| CN103376811A (en) * | 2012-04-12 | 2013-10-30 | 联发科技股份有限公司 | Power module |
| US9071200B2 (en) | 2012-04-12 | 2015-06-30 | Mediatek Inc. | Power module for envelope tracking |
| CN103376811B (en) * | 2012-04-12 | 2015-11-11 | 联发科技股份有限公司 | Power model |
| CN104812102A (en) * | 2014-01-25 | 2015-07-29 | 深圳富泰宏精密工业有限公司 | Radio communication apparatus |
| CN104580703A (en) * | 2014-12-19 | 2015-04-29 | 深圳职业技术学院 | Method and system for prolonging mobile phone working time |
| CN110196613A (en) * | 2019-05-28 | 2019-09-03 | 电子科技大学 | A kind of power supply device for DUT in integrated circuit test system |
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| Publication number | Publication date |
|---|---|
| WO2011072585A1 (en) | 2011-06-23 |
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Application publication date: 20100519 |