CN106849878A - The adjusting method of power amplifier system and power cost of power amplifier - Google Patents
The adjusting method of power amplifier system and power cost of power amplifier Download PDFInfo
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- CN106849878A CN106849878A CN201610939693.XA CN201610939693A CN106849878A CN 106849878 A CN106849878 A CN 106849878A CN 201610939693 A CN201610939693 A CN 201610939693A CN 106849878 A CN106849878 A CN 106849878A
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- 238000000034 method Methods 0.000 title claims abstract description 40
- 230000033228 biological regulation Effects 0.000 claims abstract description 23
- 238000001514 detection method Methods 0.000 claims abstract description 19
- 230000005611 electricity Effects 0.000 claims description 18
- 238000004891 communication Methods 0.000 abstract description 27
- 238000010438 heat treatment Methods 0.000 abstract description 11
- 238000011897 real-time detection Methods 0.000 abstract description 5
- 230000015654 memory Effects 0.000 description 14
- 238000010295 mobile communication Methods 0.000 description 8
- 230000006870 function Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 230000005236 sound signal Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000007726 management method Methods 0.000 description 3
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Classifications
-
- 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
-
- 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
- H03F1/30—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters
-
- 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
- H03F1/56—Modifications of input or output impedances, not otherwise provided for
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/189—High-frequency amplifiers, e.g. radio frequency amplifiers
- H03F3/19—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only
-
- 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
- H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Telephone Function (AREA)
Abstract
The invention discloses a kind of power amplifier system and the adjusting method of power cost of power amplifier, the system includes：Adjustment module, total capacitance value and/or total inductance value in the case where the power amplifier of radio-frequency front-end is in running order, adjusting the impedance matching circuit of the radio-frequency front-end；Current detection module, for during regulation, while detecting the power supply current value of the power amplifier；Setup module, for determining minimum power supply current value from the power supply current value for detecting, and it is total capacitance value and total inductance value of the impedance matching circuit in current operating state by the corresponding total capacitance value of the minimum power supply current value and total inductance value respective settings.Present system and method by real-time detection PA electric currents, and Intelligent adjustment impedance matching circuit total capacitance value and/or total inductance value so that PA minimum power consumption states are obtained in the case of different communication, so as to effectively reduce the power consumption of PA, heating is reduced.
Description
Technical field
The present invention relates to field terminal applies technical field, more particularly to a kind of power amplifier system and power amplifier
The adjusting method of power consumption.
Background technology
Power consumption is an important performance indexes of mobile terminal with heating.In mobile terminal in addition to display screen, power consumption with
Heating rich and influential family is exactly the power amplifier (Power Amplifier, PA) in radio-frequency front-end, also referred to as radio-frequency power amplifier (RF
PA, Radio Frequency Power Amplifier).Wherein radio-frequency front-end is specially mobile terminal near radio-frequency antenna
Part, including transmitting path and receiving path.
At present, PA heatings are reduced temporarily without good scheme reduction PA power consumptions in the prior art.
The content of the invention
A kind of adjusting method it is a primary object of the present invention to propose power amplifier system and power cost of power amplifier,
Aim to solve the problem that the power cost of power amplifier of radio-frequency front-end in the prior art problem high.
To achieve the above object, a kind of power amplifier system that the present invention is provided, the system includes：
Adjustment module, in the case where the power amplifier of radio-frequency front-end is in running order, adjusting the radio-frequency front-end
The total capacitance value and/or total inductance value of impedance matching circuit；
Current detection module, for during regulation, while detecting the power supply current value of the power amplifier；
Setup module, for determining minimum power supply current value from the power supply current value for detecting, and by the minimum
The corresponding total capacitance value of power supply current value and total inductance value respective settings are the impedance matching circuit in current operating state
Total capacitance value and total inductance value.
Further, the adjustment module, specifically in the case where the power amplifier of radio-frequency front-end is in running order, keeping
The total capacitance value of the impedance matching circuit is constant, adjusts the total inductance value of the impedance matching circuit；Or, keep the resistance
The total inductance value of anti-match circuit is constant, adjusts the total capacitance value of the impedance matching circuit；Or, while adjusting the impedance
The total capacitance value and total inductance value of match circuit.
Further, the system also includes capacity regulator and multiple controlling switches；The impedance matching circuit is π type nets
Network, including at least 2 electric capacity and at least 2 inductance；
The adjustment module when the total capacitance value of impedance matching circuit of the radio-frequency front-end is adjusted, specifically for passing through
The capacity regulator adjusts the capacitance of each electric capacity, so as to realize adjusting the total of the impedance matching circuit of the radio-frequency front-end
Capacitance；
The adjustment module when the total inductance value of impedance matching circuit of the radio-frequency front-end is adjusted, specifically for passing through
The multiple controlling switch adjusts the inductance value of each inductance, so as to realize adjusting the impedance matching circuit of the radio-frequency front-end
Total inductance value.
Specifically, the capacity regulator, under the control of the adjustment module, to each electric capacity input voltage,
Adjust the capacitance of each electric capacity；
Each controlling switch of the multiple controlling switch, for being opened or closed under the control of the adjustment module,
So that inductance corresponding with the controlling switch is in connected state or short circuit state in the pin network.Wherein, a control
System switch correspondence and an inductance in parallel.
Further, the current detection module includes：
Voltage acquisition unit, the electricity for detecting the micro- resistance being preset on the supply current path of the power amplifier
Pressure value；
Electric current determining module, for the resistance based on the magnitude of voltage and preset micro- resistance, determines that the power is put
The power supply current value of big device.
Additionally, to achieve the above object, the present invention also proposes a kind of adjusting method of power cost of power amplifier, methods described
Including step：
In the case where the power amplifier of radio-frequency front-end is in running order, the impedance matching circuit of the radio-frequency front-end is adjusted
Total capacitance value and/or total inductance value；
During regulation, while detecting the power supply current value of the power amplifier；
Minimum power supply current value is determined from the power supply current value for detecting, and the minimum power supply current value is corresponding
Total capacitance value and total inductance value respective settings be the impedance matching circuit current operating state total capacitance value and total electricity
Inductance value.
Further, the step of capacitance and/or inductance value of the impedance matching circuit of the regulation radio-frequency front-end, bag
Include：
Keep the total capacitance value of the impedance matching circuit constant, adjust the total inductance value of the impedance matching circuit；Or
Person,
Keep the total inductance value of the impedance matching circuit constant, adjust the total capacitance value of the impedance matching circuit；Or
Person,
The total capacitance value and total inductance value of the impedance matching circuit are adjusted simultaneously.
Further, the impedance matching circuit is pin network, including at least 2 electric capacity and at least 2 inductance；The tune
The step of total capacitance value of the impedance matching circuit for saving the radio-frequency front-end, including：
The capacitance of each electric capacity is adjusted respectively by preset capacity regulator, so as to realize adjusting the radio-frequency front-end
Impedance matching circuit total capacitance value；
The step of total inductance value of the impedance matching circuit of the regulation radio-frequency front-end, including：
The inductance value of corresponding inductance is adjusted respectively by preset multiple controlling switches, so that before realizing adjusting the radio frequency
The total inductance value of the impedance matching circuit at end.
Specifically, it is described adjust each electric capacity respectively by preset capacity regulator capacitance the step of, including：
By the preset capacity regulator to each electric capacity input voltage, the capacitance of each electric capacity is adjusted；
Wherein, a controlling switch correspondence and an inductance in parallel；It is described to be adjusted respectively by preset multiple controlling switches
The step of saving the inductance value of corresponding inductance, including：
For each controlling switch, by controlling being opened or closed for the controlling switch so that with the controlling switch
Corresponding inductance in the pin network in connected state or short circuit state.
Further, the step of power supply current value of the detection power amplifier, including：
Detection is preset at the magnitude of voltage of the micro- resistance on the supply current path of the power amplifier；
Resistance based on the magnitude of voltage and preset micro- resistance, determines the power supply current value of the power amplifier.
The adjusting method of power amplifier system proposed by the present invention and power cost of power amplifier, by real-time detection PA electricity
Stream, and Intelligent adjustment impedance matching circuit total capacitance value and/or total inductance value so that PA is obtained in the case of different communication minimum
Power consumption state, so as to effectively reduce the power consumption of PA, reduces heating, further effectively reduces the power consumption of whole system, reduces heating,
Improve Consumer's Experience effect.
Brief description of the drawings
Fig. 1 is the hardware architecture diagram for realizing each optional mobile terminal of embodiment one of the invention；
Fig. 2 is the wireless communication system schematic diagram of mobile terminal as shown in Figure 1；
Fig. 3 is a kind of hardware architecture diagram of power amplifier system in the embodiment of the present invention；
Fig. 4 is a kind of circuit theory diagrams of impedance matching circuit in the embodiment of the present invention；
Fig. 5 is a kind of circuit theory diagrams of specific power amplifier system in the embodiment of the present invention；
Fig. 6 is total inductance Principles of Regulation schematic diagram in the embodiment of the present invention；
Fig. 7 is a kind of flow chart of the adjusting method of power cost of power amplifier in the embodiment of the present invention.
The realization of the object of the invention, functional characteristics and advantage will be described further referring to the drawings in conjunction with the embodiments.
Specific embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
The mobile terminal of each embodiment of the invention is realized referring now to Description of Drawings.In follow-up description, use
For represent element such as " module ", " part " or " unit " suffix only for being conducive to explanation of the invention, itself
Not specific meaning.Therefore, " module " can be used mixedly with " part ".
Mobile terminal can be implemented in a variety of manners.For example, the terminal described in the present invention can include such as moving
Phone, smart phone, notebook computer, digit broadcasting receiver, PDA (personal digital assistant), PAD (panel computer), PMP
The mobile terminal of (portable media player), guider etc. and such as numeral TV, desktop computer etc. are consolidated
Determine terminal.Hereinafter it is assumed that terminal is mobile terminal.However, it will be understood by those skilled in the art that, except being used in particular for movement
Outside the element of purpose, construction according to the embodiment of the present invention can also apply to the terminal of fixed type.
Fig. 1 is that the hardware configuration of the mobile terminal for realizing each embodiment of the invention is illustrated.
Mobile terminal 1 00 can include wireless communication unit 110, A/V (audio/video) input block 120, user input
Unit 130, sensing unit 140, output unit 150, memory 160, interface unit 170, controller 180 and power subsystem 190
Etc..Fig. 1 shows the mobile terminal with various assemblies, it should be understood that being not required for implementing all groups for showing
Part.More or less component can alternatively be implemented.The element of mobile terminal will be discussed in more detail below.
Wireless communication unit 110 generally includes one or more assemblies, and it allows mobile terminal 1 00 and wireless communication system
Or the radio communication between network.For example, wireless communication unit can include broadcasting reception module 111, mobile communication module
112nd, at least one of wireless Internet module 113, short range communication module 114 and location information module 115.
Broadcasting reception module 111 receives broadcast singal and/or broadcast via broadcast channel from external broadcast management server
Relevant information.Broadcast channel can include satellite channel and/or terrestrial channel.Broadcast management server can be generated and sent
The broadcast singal and/or broadcast related information generated before the server or reception of broadcast singal and/or broadcast related information
And send it to the server of terminal.Broadcast singal can include TV broadcast singals, radio signals, data broadcasting
Signal etc..And, broadcast singal may further include the broadcast singal combined with TV or radio signals.Broadcast phase
Pass information can also be provided via mobile communications network, and in this case, broadcast related information can be by mobile communication mould
Block 112 is received.Broadcast singal can exist in a variety of manners, for example, it can be with the electronics of DMB (DMB)
The form of program guide (EPG), the electronic service guidebooks (ESG) of digital video broadcast-handheld (DVB-H) etc. and exist.Broadcast
Receiver module 111 can receive signal and broadcast by using various types of broadcast systems.Especially, broadcasting reception module 111
Can be wide by using such as multimedia broadcasting-ground (DMB-T), DMB-satellite (DMB-S), digital video
Broadcast-hand-held (DVB-H), forward link media (MediaFLO@) Radio Data System, received terrestrial digital broadcasting integrated service
Etc. (ISDB-T) digit broadcasting system receives digital broadcasting.Broadcasting reception module 111 may be constructed such that and be adapted to provide for extensively
Broadcast the various broadcast systems and above-mentioned digit broadcasting system of signal.Via broadcasting reception module 111 receive broadcast singal and/
Or broadcast related information can be stored in memory 160 (or other types of storage medium).
Mobile communication module 112 sends radio signals to base station (for example, access point, node B etc.), exterior terminal
And at least one of server and/or receive from it radio signal.Such radio signal can be logical including voice
Words signal, video calling signal or the various types of data for sending and/or receiving according to text and/or Multimedia Message.
Wireless Internet module 113 supports the Wi-Fi (Wireless Internet Access) of mobile terminal.The module can be internally or externally
It is couple to terminal.Wi-Fi (Wireless Internet Access) technology involved by the module can include WLAN (WLAN) (Wi-Fi), Wibro
(WiMAX), Wimax (worldwide interoperability for microwave accesses), HSDPA (high-speed downlink packet access) etc..
Short range communication module 114 is the module for supporting junction service.Some examples of short-range communication technology include indigo plant
ToothTM, radio frequency identification (RFID), Infrared Data Association (IrDA), ultra wide band (UWB), purple honeybeeTMEtc..
Location information module 115 is the module for checking or obtaining the positional information of mobile terminal.Location information module
Typical case be GPS (global positioning system).According to current technology, GPS module 115 is calculated and comes from three or more satellites
Range information and correct time information and the Information application triangulation for calculating, so as to according to longitude, latitude
Highly accurately calculate three-dimensional current location information.Currently, defended using three for calculating the method for position and temporal information
Star and the position that is calculated by using other satellite correction and the error of temporal information.Additionally, GPS module 115
Can be by Continuous plus current location information in real time come calculating speed information.
A/V input blocks 120 are used to receive audio or video signal.A/V input blocks 120 can include the He of camera 121
Microphone 122, the static images that 121 pairs, camera is obtained in Video Capture pattern or image capture mode by image capture apparatus
Or the view data of video is processed.Picture frame after treatment may be displayed on display unit 151.Processed through camera 121
Picture frame afterwards can be stored in memory 160 (or other storage mediums) or sent out via wireless communication unit 110
Send, two or more cameras 121 can be provided according to the construction of mobile terminal.Microphone 122 can be in telephone calling model, note
Sound (voice data) is received via microphone in record pattern, speech recognition mode etc. operational mode, and can be by so
Acoustic processing be voice data.Audio (voice) data after treatment can be converted in the case of telephone calling model can
The form for being sent to mobile communication base station via mobile communication module 112 is exported.Microphone 122 can implement various types of making an uproar
Sound eliminates (or suppression) algorithm to eliminate the noise or dry that (or suppression) produces during reception and transmission audio signal
Disturb.
User input unit 130 can generate key input data to control each of mobile terminal according to the order of user input
Plant operation.User input unit 130 allows the various types of information of user input, and can include keyboard, metal dome, touch
Plate (for example, detection due to being touched caused by resistance, pressure, electric capacity etc. change sensitive component), roller, rocking bar etc.
Deng.Especially, when touch pad is superimposed upon on display unit 151 in the form of layer, touch-screen can be formed.
Sensing unit 140 detects the current state of mobile terminal 1 00, (for example, mobile terminal 1 00 opens or closes shape
State), the presence or absence of the contact (that is, touch input) of the position of mobile terminal 1 00, user for mobile terminal 1 00, mobile terminal
The acceleration or deceleration movement of 100 orientation, mobile terminal 1 00 and direction etc., and generate for controlling mobile terminal 1 00
The order of operation or signal.For example, when mobile terminal 1 00 is embodied as sliding-type mobile phone, sensing unit 140 can be sensed
The sliding-type phone is opened or closed.In addition, sensing unit 140 can detect power subsystem 190 whether provide electric power or
Whether person's interface unit 170 couples with external device (ED).
Interface unit 170 is connected the interface that can pass through with mobile terminal 1 00 as at least one external device (ED).For example,
External device (ED) can include wired or wireless head-band earphone port, external power source (or battery charger) port, wired or nothing
Line FPDP, memory card port, the port for connecting the device with identification module, audio input/output (I/O) end
Mouth, video i/o port, ear port etc..Identification module can be that storage uses each of mobile terminal 1 00 for verifying user
Kind of information and subscriber identification module (UIM), client identification module (SIM), Universal Subscriber identification module (USIM) can be included
Etc..In addition, the device (hereinafter referred to as " identifying device ") with identification module can take the form of smart card, therefore, know
Other device can be connected via port or other attachment means with mobile terminal 1 00.Interface unit 170 can be used for reception and come from
The input (for example, data message, electric power etc.) of the external device (ED) and input that will be received is transferred in mobile terminal 1 00
One or more elements can be used for transmitting data between mobile terminal and external device (ED).
In addition, when mobile terminal 1 00 is connected with external base, interface unit 170 can serve as allowing by it by electricity
Power provides to the path of mobile terminal 1 00 from base or can serve as allowing the various command signals being input into from base to pass through it
It is transferred to the path of mobile terminal.Be can serve as recognizing that mobile terminal is from the various command signals or electric power of base input
The no signal being accurately fitted within base.Output unit 150 is configured to provide defeated with vision, audio and/or tactile manner
Go out signal (for example, audio signal, vision signal, alarm signal, vibration signal etc.).Output unit 150 can include display
Unit 151, dio Output Modules 152, alarm unit 153 etc..
Display unit 151 may be displayed on the information processed in mobile terminal 1 00.For example, when mobile terminal 1 00 is in electricity
During words call mode, display unit 151 can show and converse or other communicate (for example, text messaging, multimedia file
Download etc.) related user interface (UI) or graphic user interface (GUI).When mobile terminal 1 00 is in video calling pattern
Or during image capture mode, display unit 151 can show the image of capture and/or the image of reception, show video or figure
UI or GUI of picture and correlation function etc..
Meanwhile, when display unit 151 and touch pad in the form of layer it is superposed on one another to form touch-screen when, display unit
151 can serve as input unit and output device.Display unit 151 can include liquid crystal display (LCD), thin film transistor (TFT)
In LCD (TFT-LCD), Organic Light Emitting Diode (OLED) display, flexible display, three-dimensional (3D) display etc. at least
It is a kind of.Some in these displays may be constructed such that transparence to allow user to be watched from outside, and this is properly termed as transparent
Display, typical transparent display can be, for example, TOLED (transparent organic light emitting diode) display etc..According to specific
Desired implementation method, mobile terminal 1 00 can include two or more display units (or other display devices), for example, moving
Dynamic terminal can include outernal display unit (not shown) and inner display unit (not shown).Touch-screen can be used to detect touch
Input pressure and touch input position and touch input area.
Dio Output Modules 152 can mobile terminal be in call signal reception pattern, call mode, logging mode,
It is that wireless communication unit 110 is received or in memory 160 when under the isotypes such as speech recognition mode, broadcast reception mode
The voice data transducing audio signal of middle storage and it is output as sound.And, dio Output Modules 152 can be provided and movement
The audio output (for example, call signal receives sound, message sink sound etc.) of the specific function correlation that terminal 100 is performed.
Dio Output Modules 152 can include loudspeaker, buzzer etc..
Alarm unit 153 can provide output and be notified to mobile terminal 1 00 with by event.Typical event can be with
Including calling reception, message sink, key signals input, touch input etc..In addition to audio or video is exported, alarm unit
153 can in a different manner provide output with the generation of notification event.For example, alarm unit 153 can be in the form of vibrating
Output is provided, when calling, message or some other entrance communication (incomingcommunication) are received, alarm list
Unit 153 can provide tactile output (that is, vibrating) to notify to user.Exported by providing such tactile, even if
When in pocket of the mobile phone of user in user, user also can recognize that the generation of various events.Alarm unit 153
The output of the generation of notification event can be provided via display unit 151 or dio Output Modules 152.
Memory 160 can store software program for the treatment and control operation performed by controller 180 etc., Huo Zheke
Temporarily to store oneself data (for example, telephone directory, message, still image, video etc.) through exporting or will export.And
And, memory 160 can store the vibration of various modes on being exported when touching and being applied to touch-screen and audio signal
Data.
Memory 160 can include the storage medium of at least one type, and the storage medium includes flash memory, hard disk, many
Media card, card-type memory (for example, SD or DX memories etc.), random access storage device (RAM), static random-access storage
Device (SRAM), read-only storage (ROM), Electrically Erasable Read Only Memory (EEPROM), programmable read only memory
(PROM), magnetic storage, disk, CD etc..And, mobile terminal 1 00 can perform memory with by network connection
The network storage device cooperation of 160 store function.
The overall operation of the generally control mobile terminal of controller 180.For example, controller 180 is performed and voice call, data
Communication, video calling etc. related control and treatment.In addition, controller 180 can be included for reproducing (or playback) many matchmakers
The multi-media module 181 of volume data, multi-media module 181 can be constructed in controller 180, or can be structured as and control
Device 180 is separated.Controller 180 can be with execution pattern identifying processing, the handwriting input that will be performed on the touchscreen or picture
Draw input and be identified as character or image.
Power subsystem 190 receives external power or internal power under the control of controller 180 and provides operation each unit
Appropriate electric power needed for part and component.
The total capacitance value and/or total inductance value of the impedance matching circuit of the regulation radio-frequency front-end of adjustment module 200；Current detecting
Module 210 detects the power supply current value of the power amplifier simultaneously during regulation；Setup module 220 sets impedance matching
Total capacitance value and total inductance value of the circuit in current operating state.
Various implementation methods described herein can be with use such as computer software, hardware or its any combination of calculating
Machine computer-readable recording medium is implemented.Implement for hardware, implementation method described herein can be by using application-specific IC
(ASIC), digital signal processor (DSP), digital signal processing device (DSPD), programmable logic device (PLD), scene can
Programming gate array (FPGA), processor, controller, microcontroller, microprocessor, it is designed to perform function described herein
At least one in electronic unit is implemented, and in some cases, such implementation method can be implemented in controller 180.
For software implementation, the implementation method of such as process or function can with allow to perform the single of at least one function or operation
Software module is implemented.Software code can be come by the software application (or program) write with any appropriate programming language
Implement, software code can be stored in memory 160 and performed by controller 180.
So far, oneself according to its function through describing mobile terminal.Below, for the sake of brevity, will description such as folded form,
Slide type mobile terminal in various types of mobile terminals of board-type, oscillating-type, slide type mobile terminal etc. is used as showing
Example.Therefore, the present invention can be applied to any kind of mobile terminal, and be not limited to slide type mobile terminal.
Mobile terminal 1 00 as shown in Figure 1 may be constructed such that using via frame or packet transmission data it is all if any
Line and wireless communication system and satellite-based communication system are operated.
The communication system that mobile terminal wherein of the invention can be operated is described referring now to Fig. 2.
Such communication system can use different air interface and/or physical layer.For example, used by communication system
Air interface includes such as frequency division multiple access (FDMA), time division multiple acess (TDMA), CDMA (CDMA) and universal mobile communications system
System (UMTS) (especially, Long Term Evolution (LTE)), global system for mobile communications (GSM) etc..As non-limiting example, under
The description in face is related to cdma communication system, but such teaching is equally applicable to other types of system.
With reference to Fig. 2, cdma wireless communication system can include multiple mobile terminal 1s 00, multiple base station (BS) 270, base station
Controller (BSC) 275 and mobile switching centre (MSC) 280.MSC280 is configured to and Public Switched Telephony Network (PSTN)
290 form interface.MSC280 is also structured to form interface with the BSC275 that can be couple to base station 270 via back haul link.
If any one in the interface that back haul link can be known according to Ganji is constructed, the interface includes such as E1/T1, ATM, IP,
PPP, frame relay, HDSL, ADSL or xDSL.It will be appreciated that system can include multiple BSC275 as shown in Figure 2.
Each BS270 can service one or more subregions (or region), by multidirectional antenna or the day of sensing specific direction
Each subregion of line covering is radially away from BS270.Or, each subregion can be by two or more for diversity reception
Antenna is covered.Each BS270 may be constructed such that the multiple frequency distribution of support, and the distribution of each frequency has specific frequency spectrum
(for example, 1.25MHz, 5MHz etc.).
What subregion and frequency were distributed intersects can be referred to as CDMA Channel.BS270 can also be referred to as base station transceiver
System (BTS) or other equivalent terms.In this case, term " base station " can be used for broadly representing single
BSC275 and at least one BS270.Base station can also be referred to as " cellular station ".Or, each subregion of specific BS270 can be claimed
It is multiple cellular stations.
As shown in Figure 2, broadcast singal is sent to broadcsting transmitter (BT) 295 mobile terminal operated in system
100.Broadcasting reception module 111 as shown in Figure 1 is arranged at mobile terminal 1 00 to receive the broadcast sent by BT295
Signal.In fig. 2 it is shown that several global positioning system (GPS) satellites 300.Satellite 300 helps position multiple mobile terminals
At least one of 100.
In fig. 2, multiple satellites 300 are depicted, it is understood that be, it is possible to use any number of satellite obtains useful
Location information.GPS module 115 as shown in Figure 1 is generally configured to coordinate with satellite 300 to be believed with obtaining desired positioning
Breath.Substitute GPS tracking techniques or outside GPS tracking techniques, it is possible to use other of the position of mobile terminal can be tracked
Technology.In addition, at least one gps satellite 300 can optionally or additionally process satellite dmb transmission.
Used as a typical operation of wireless communication system, BS270 receives the reverse link from various mobile terminal 1s 00
Signal.Mobile terminal 1 00 generally participates in call, information receiving and transmitting and other types of communication.Each of the reception of certain base station 270 is anti-
Processed in specific BS270 to link signal.The data of acquisition are forwarded to the BSC275 of correlation.BSC provides call
Resource allocation and the mobile management function of the coordination including the soft switching process between BS270.The number that BSC275 will also be received
According to MSC280 is routed to, it provides the extra route service for forming interface with PSTN290.Similarly, PSTN290 with
MSC280 forms interface, and MSC and BSC275 form interface, and BSC275 correspondingly controls BS270 with by forward link signals
It is sent to mobile terminal 1 00.
Based on above-mentioned mobile terminal hardware configuration and communication system, each embodiment of the invention is proposed.
As shown in figure 3, first embodiment of the invention proposes a kind of power amplifier system, including：
Adjustment module 200, in the case where the power amplifier of radio-frequency front-end is in running order, adjusting the radio-frequency front-end
Impedance matching circuit total capacitance value and/or total inductance value；
Current detection module 210, for during regulation, while detecting the power supply current value of the power amplifier；
Setup module 220, for determining minimum power supply current value from the power supply current value for detecting, and by described in most
The corresponding total capacitance value of small power supply current value and total inductance value respective settings are the impedance matching circuit in current operating state
Total capacitance value and total inductance value.
Embodiment of the present invention intermediate power amplifier system, by real-time detection PA electric currents, and Intelligent adjustment impedance matching electricity
The total capacitance value and/or total inductance value on road so that PA minimum power consumption states are obtained in the case of different communication, so as to effectively reduce PA
Power consumption, reduce heating, further effectively reduce whole system power consumption, reduce heating, improve Consumer's Experience effect.
Wherein, impedance matching circuit can be pin network as shown in Figure 4, and inductance (L is total) is the electricity of multiple series windings in figure
Sense, such as 3.
That is, in embodiments of the present invention, on the premise of impedance matching is ensured, total capacitance in regulation pin network
Value or total inductance value, while detecting the current value of PA, when the current value of PA reaches minimum, stop to total electricity in section pin network
The regulation of capacitance or total inductance value；And the corresponding total capacitance value of minimum current value and total inductance value are set as impedance matching circuit
In the total capacitance value and total inductance value of current operating state.
Specifically, as shown in figure 5, radio-frequency front-end include PA, pin network impedance matching circuit, wave filter, RF switch,
Antenna, adjustment module, current detection module and setup module.
Adjustment module 200 can be combined and realized by capacity regulator and multiple controlling switches.
When capacity regulator DA (digital-to-analogue conversion, Digital to Analog) changes the output voltage to each electric capacity, can
Control the size of each electric capacity.
Multiple controlling switches can realize the regulation to total inductance value.For example, as shown in fig. 6, total inductance include L1, L2,
L3, multiple controlling switches are respectively S1, S2, S3；One controlling switch S1 of closure, it is possible to the corresponding electricity of the short circuit controlling switch
Sense L1, is equivalent to reduce total inductance value, otherwise when switch is disconnected equivalent to the induction reactance in increasing circuit.
Current detection module 210 can be detected by high-precision current and realized.For example, the supply current of PA is by micro- resistance
R1 forms voltage, is gathered for AD (Analog Digital, analog-to-digital conversion) after amplifying by precision amplifier, the electricity for collecting
Pressure and PA electric current direct proportionalities.PA total currents can be calculated by processor.
Sketch the workflow of embodiment of the present invention system.
For example：
Step 1, in the case where PA is in running order, current current value A1 is detected using high-precision current detection amplifier.
Step 2, the capacitance of capacity regulator, current value A2 of the detection in the case where electric capacity state of value is changed are controlled by DA.
Step 3, contrasts the size of A1, A2 and changes capacity regulator capacitance detection PA electric currents A3 again.
Step 4, chooses minimum value, and by the corresponding capacitance of minimum current value, be set as working as electric capacity in current value
Preceding total capacitance value.
And for example：
Step 1, in the case where PA is in running order, adjusts the inductance value of inductance.
Step 2, and detect the current value of the corresponding PA in each inductance value.
Step 3, chooses minimum value, and by the corresponding total inductance value of minimum current value, be set as inductance in current value
Current total inductance value.
For another example：
Step 1, on the premise of impedance matching is ensured, the capacitance of regulation regulation electric capacity.
Step 2, while the inductance value of inductance is adjusted,.
Step 3, and detect the current value of the corresponding PA when each capacitance is with inductance value.
Step 4, chooses minimum value in current value, and the corresponding capacitance of minimum current value is set as total electricity of electric capacity
Capacitance, by the corresponding inductance value of minimum current value, is set as the total inductance value of inductance.
The embodiment of the present invention realizes real-time detection PA electric currents by above workflow, and Intelligent adjustment is matched so that no
With obtaining minimum power consumption state under signal intelligence；The power consumption of whole system can preferably be reduced, heating is reduced, Consumer's Experience is improved
Effect.
On the basis of first embodiment, it is further proposed that the variant embodiment of first embodiment, needs explanation herein
It is, in order that description is brief, the difference with first embodiment only to be described in each variant embodiment.
In one embodiment of the invention, the adjustment module, specifically at the power amplifier of radio-frequency front-end
In under working condition, keeping the total capacitance value of the impedance matching circuit constant, the total inductance of the impedance matching circuit is adjusted
Value；Or, keep the total inductance value of the impedance matching circuit constant, adjust the total capacitance value of the impedance matching circuit；Or
Person, while adjusting the total capacitance value and total inductance value of the impedance matching circuit.
In another embodiment of the present invention, the system also includes capacity regulator and multiple controlling switches；It is described
Impedance matching circuit is pin network, including at least 2 electric capacity and at least 2 inductance；
The adjustment module when the total capacitance value of impedance matching circuit of the radio-frequency front-end is adjusted, specifically for passing through
The capacity regulator adjusts the capacitance of each electric capacity, so as to realize adjusting the total of the impedance matching circuit of the radio-frequency front-end
Capacitance；
The adjustment module when the total inductance value of impedance matching circuit of the radio-frequency front-end is adjusted, specifically for passing through
The multiple controlling switch adjusts the inductance value of each inductance, so as to realize adjusting the impedance matching circuit of the radio-frequency front-end
Total inductance value.
Furtherly, the capacity regulator, under the control of the adjustment module, electricity being input into each electric capacity
Pressure, adjusts the capacitance of each electric capacity；
Each controlling switch of the multiple controlling switch, for being opened or closed under the control of the adjustment module,
So that inductance corresponding with the controlling switch is in connected state or short circuit state in the pin network.Wherein, a control
System switch correspondence and an inductance in parallel.That is, as shown in fig. 6, one controlling switch S1 of closure, it is possible to the short circuit control
The corresponding inductance L1 of system switch, is exactly that inductance L2 is in short circuit state, is equivalent to reduce total inductance value, otherwise controlled when disconnecting
System switch S1, so that it may so that the corresponding inductance L1 of the controlling switch is in connected state, equivalent to the induction reactance increased in circuit.
In yet another embodiment of the present invention, the current detection module includes：
Voltage acquisition unit, the electricity for detecting the micro- resistance being preset on the supply current path of the power amplifier
Pressure value；
Electric current determining module, for the resistance based on the magnitude of voltage and preset micro- resistance, determines that the power is put
The power supply current value of big device.
The present invention further provides a kind of adjusting method of power cost of power amplifier.
As shown in fig. 7, a kind of adjusting method of power cost of power amplifier of the present embodiment, it is characterised in that methods described bag
Include step：
S701, in the case where the power amplifier of radio-frequency front-end is in running order, adjusts the impedance matching of the radio-frequency front-end
The total capacitance value and/or total inductance value of circuit；
S702, during regulation, while detecting the power supply current value of the power amplifier；
S703, determines minimum power supply current value from the power supply current value for detecting, and by the minimum supply current
It is total capacitance value of the impedance matching circuit in current operating state to be worth corresponding total capacitance value and total inductance value respective settings
With total inductance value.
The adjusting method of embodiment of the present invention intermediate power amplifier power consumption, by real-time detection PA electric currents, and Intelligent adjustment
The total capacitance value and/or total inductance value of impedance matching circuit so that PA minimum power consumption states are obtained in the case of different communication, so that
The power consumption of PA is effectively reduced, heating is reduced, the power consumption of whole system is further effectively reduced, is reduced heating, improve Consumer's Experience
Effect.
Wherein, the step of capacitance and/or inductance value of the impedance matching circuit of the regulation radio-frequency front-end, bag
Include：
Keep the total capacitance value of the impedance matching circuit constant, adjust the total inductance value of the impedance matching circuit；Or
Person,
Keep the total inductance value of the impedance matching circuit constant, adjust the total capacitance value of the impedance matching circuit；Or
Person,
The total capacitance value and total inductance value of the impedance matching circuit are adjusted simultaneously.
Wherein, the impedance matching circuit is pin network, including at least 2 electric capacity and at least 2 inductance；The regulation
The step of total capacitance value of the impedance matching circuit of the radio-frequency front-end, including：
The capacitance of each electric capacity is adjusted respectively by preset capacity regulator, so as to realize adjusting the radio-frequency front-end
Impedance matching circuit total capacitance value；
The step of total inductance value of the impedance matching circuit of the regulation radio-frequency front-end, including：
The inductance value of corresponding inductance is adjusted respectively by preset multiple controlling switches, so that before realizing adjusting the radio frequency
The total inductance value of the impedance matching circuit at end.
Furtherly, it is described adjust each electric capacity respectively by preset capacity regulator capacitance the step of, including：
By the preset capacity regulator respectively to each electric capacity input voltage, the capacitance of each electric capacity is adjusted；
Wherein, a controlling switch correspondence and an inductance in parallel；It is described to be adjusted respectively by preset multiple controlling switches
The step of saving the inductance value of corresponding inductance, including：
For each controlling switch, by controlling being opened or closed for the controlling switch, so as to control to be opened with the control
Close connection or short circuit of the correspondence inductance in parallel in the pin network.
Specifically, the step of power supply current value of the detection power amplifier, including：
Detection is preset at the magnitude of voltage of the micro- resistance on the supply current path of the power amplifier；
Resistance based on the magnitude of voltage and preset micro- resistance, determines the power supply current value of the power amplifier.
It should be noted that herein, term " including ", "comprising" or its any other variant be intended to non-row
His property is included, so that process, method, article or device including a series of key elements not only include those key elements, and
And also include other key elements being not expressly set out, or also include for this process, method, article or device institute are intrinsic
Key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that including this
Also there is other identical element in the process of key element, method, article or device.
The embodiments of the present invention are for illustration only, and the quality of embodiment is not represented.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can add the mode of required general hardware platform to realize by software, naturally it is also possible to by hardware, but in many cases
The former is more preferably implementation method.Based on such understanding, technical scheme is substantially done to prior art in other words
The part for going out contribution can be embodied in the form of software product, and the computer software product is stored in a storage medium
In (such as ROM/RAM, magnetic disc, CD), including some instructions are used to so that a station terminal equipment (can be mobile phone, computer, clothes
Business device, air-conditioner, or network equipment etc.) perform method described in each embodiment of the invention.
The preferred embodiments of the present invention are these are only, the scope of the claims of the invention is not thereby limited, it is every to utilize this hair
Equivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of power amplifier system, it is characterised in that the system includes：
Adjustment module, in the case where the power amplifier of radio-frequency front-end is in running order, adjusting the impedance of the radio-frequency front-end
The total capacitance value and/or total inductance value of match circuit；
Current detection module, for during regulation, while detecting the power supply current value of the power amplifier；
Setup module, for determining minimum power supply current value from the power supply current value for detecting, and the minimum is powered
The corresponding total capacitance value of current value and total inductance value respective settings are total electricity of the impedance matching circuit in current operating state
Capacitance and total inductance value.
2. the system as claimed in claim 1, it is characterised in that the adjustment module, specifically for the power in radio-frequency front-end
Under amplifier is in running order, keep the total capacitance value of the impedance matching circuit constant, adjust the impedance matching circuit
Total inductance value；Or, keep the total inductance value of the impedance matching circuit constant, adjust total electricity of the impedance matching circuit
Capacitance；Or, while adjusting the total capacitance value and total inductance value of the impedance matching circuit.
3. system as claimed in claim 1 or 2, it is characterised in that the system also includes capacity regulator and multiple controls
Switch；The impedance matching circuit is pin network, including at least 2 electric capacity and at least 2 inductance；
The adjustment module when the total capacitance value of impedance matching circuit of the radio-frequency front-end is adjusted, specifically for by described
Capacity regulator adjusts the capacitance of each electric capacity, so that the total capacitance of the impedance matching circuit for realizing adjusting the radio-frequency front-end
Value；
The adjustment module when the total inductance value of impedance matching circuit of the radio-frequency front-end is adjusted, specifically for by described
Multiple controlling switches adjust the inductance value of each inductance, so as to realize adjusting total electricity of the impedance matching circuit of the radio-frequency front-end
Inductance value.
4. system as claimed in claim 3, it is characterised in that the capacity regulator, for the control in the adjustment module
Under system, to each electric capacity input voltage, the capacitance of each electric capacity is adjusted；
Each controlling switch of the multiple controlling switch, for being opened or closed under the control of the adjustment module, so that
Make inductance corresponding with the controlling switch that connected state or short circuit state are in the pin network.Wherein, a control is opened
Close correspondence and an inductance in parallel.
5. system as claimed in claim 1 or 2, it is characterised in that the current detection module includes：
Voltage acquisition unit, the voltage for detecting the micro- resistance being preset on the supply current path of the power amplifier
Value；
Electric current determining module, for the resistance based on the magnitude of voltage and preset micro- resistance, determines the power amplifier
Power supply current value.
6. a kind of adjusting method of power cost of power amplifier, it is characterised in that methods described includes step：
In the case where the power amplifier of radio-frequency front-end is in running order, total electricity of the impedance matching circuit of the radio-frequency front-end is adjusted
Capacitance and/or total inductance value；
During regulation, while detecting the power supply current value of the power amplifier；
Minimum power supply current value is determined from the power supply current value for detecting, and the minimum power supply current value is corresponding total
Capacitance and total inductance value respective settings are total capacitance value and total inductance value of the impedance matching circuit in current operating state.
7. method as claimed in claim 6, it is characterised in that the electricity of the impedance matching circuit of the regulation radio-frequency front-end
The step of capacitance and/or inductance value, including：
Keep the total capacitance value of the impedance matching circuit constant, adjust the total inductance value of the impedance matching circuit；Or,
Keep the total inductance value of the impedance matching circuit constant, adjust the total capacitance value of the impedance matching circuit；Or,
The total capacitance value and total inductance value of the impedance matching circuit are adjusted simultaneously.
8. method as claimed in claims 6 or 7, it is characterised in that the impedance matching circuit is pin network, including at least 2
Individual electric capacity and at least 2 inductance；The step of total capacitance value of the impedance matching circuit of the regulation radio-frequency front-end, including：
The capacitance of each electric capacity is adjusted by preset capacity regulator, so as to realize adjusting the impedance of the radio-frequency front-end
Total capacitance value with circuit；
The step of total inductance value of the impedance matching circuit of the regulation radio-frequency front-end, including：
The inductance value of corresponding inductance is adjusted respectively by preset multiple controlling switches, so as to realize adjusting the radio-frequency front-end
The total inductance value of impedance matching circuit.
9. method as claimed in claim 8, it is characterised in that described that each electric capacity is adjusted by preset capacity regulator
The step of capacitance, including：
By the preset capacity regulator respectively to each electric capacity input voltage, the capacitance of each electric capacity is adjusted；
Wherein, a controlling switch correspondence and an inductance in parallel；It is described to adjust phase respectively by preset multiple controlling switches
The step of answering the inductance value of inductance, including：
For each controlling switch, by controlling being opened or closed for the controlling switch, so that corresponding with the controlling switch
Inductance in the pin network in connected state or short circuit state.
10. method as claimed in claims 6 or 7, it is characterised in that the power supply current value of the detection power amplifier
The step of, including：
Detection is preset at the magnitude of voltage of the micro- resistance on the supply current path of the power amplifier；
Resistance based on the magnitude of voltage and preset micro- resistance, determines the power supply current value of the power amplifier.
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| CN201610939693.XA CN106849878A (en) | 2016-11-01 | 2016-11-01 | The adjusting method of power amplifier system and power cost of power amplifier |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610939693.XA CN106849878A (en) | 2016-11-01 | 2016-11-01 | The adjusting method of power amplifier system and power cost of power amplifier |
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Application publication date: 20170613 |