CN106911354A - The system of selection of the transmitting chain of radio circuit, radio circuit and mobile terminal - Google Patents
The system of selection of the transmitting chain of radio circuit, radio circuit and mobile terminal Download PDFInfo
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- CN106911354A CN106911354A CN201710111358.5A CN201710111358A CN106911354A CN 106911354 A CN106911354 A CN 106911354A CN 201710111358 A CN201710111358 A CN 201710111358A CN 106911354 A CN106911354 A CN 106911354A
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- Prior art keywords
- transmitting chain
- radio circuit
- mobile terminal
- radio frequency
- radio
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
-
- 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
Abstract
The present invention provides a kind of system of selection of the transmitting chain of radio circuit, radio circuit and mobile terminal, and the method includes：If the load of the antenna of mobile terminal draws the variable quantity for moving impedance to be more than preset value, the signal quality and the radio frequency loss current value of a plurality of transmitting chain of a plurality of transmitting chain of the radio circuit are obtained；The radio frequency loss current value of signal quality and a plurality of transmitting chain according to a plurality of transmitting chain, selects an objective emission link from a plurality of transmitting chain；The radio circuit is controlled to pass through the objective emission link transmissions electromagnetic wave；The embodiment of the present invention enables to the mobile terminal under different application scenarios (including free state and non-free state) to have relatively stable radiant power and minimum radio-frequency current is lost.
Description
Technical field
The present invention relates to communication technical field, a kind of system of selection, the radio frequency of the transmitting chain of radio circuit are particularly related to
Circuit and mobile terminal.
Background technology
The accounting of current portable communications electronic equipment radio frequency power consumption is very high, for example time division duplex (TDD) under peak power
Long Term Evolution (LTE) Mode Launch current drain 100mA, the emission current of FDD (FDD) then reach 300mA or so,
Partial carrier wave polymerization CA and frequency frequency range even more high high.Although can be done to particular space (such as coupling box) couple current
Management and control, but actually mobile phone major part is run under non-free space, when holding or other application scene, day
The situation of line can receive the load of considerable influence, antenna to draw shifting (load pull) to be more big changes, and the load conducted is drawn and moved then
It is always maintained at constant；Therefore radiant power TRP declines can be caused because the load drawing shifting of conduction and antenna load draw the mismatch moved
And emission current is seriously raised, and emission current maximum can increase 100mA or so, and then deviation is bigger for radiant power TRP.
The content of the invention
It is an object of the invention to provide a kind of system of selection of the transmitting chain of radio circuit, radio circuit and movement eventually
End, solves the problems, such as that the radiant power of terminal antenna under non-free state is changed greatly and radio frequency loss is very big.
In order to achieve the above object, on the one hand, the embodiment of the present invention provides a kind of selection of the transmitting chain of radio circuit
Method, is applied to mobile terminal, including：
If the load of the antenna of mobile terminal draws the variable quantity for moving impedance to be more than preset value, many of the radio circuit are obtained
The radio frequency loss current value of the signal quality of bar transmitting chain and a plurality of transmitting chain；
The radio frequency loss current value of signal quality and a plurality of transmitting chain according to a plurality of transmitting chain, from described
An objective emission link is selected in a plurality of transmitting chain；
The radio circuit is controlled to pass through the objective emission link transmissions electromagnetic wave.
On the other hand, the embodiment of the present invention also provides a kind of radio circuit, is applied to mobile terminal, including：
Processor, the processor is used to draw the variable quantity for moving impedance to be more than preset value when the load of the antenna of mobile terminal
When, obtain the signal quality and the radio frequency loss electric current of a plurality of transmitting chain of a plurality of transmitting chain of the radio circuit
Value；And signal quality and the radio frequency loss current value of a plurality of transmitting chain according to a plurality of transmitting chain, from described many
An objective emission link is selected in bar transmitting chain；
RF transceiver；
The power amplifier being connected with the transmitting terminal of the RF transceiver, the power amplifier is used to amplify described penetrating
The upward signal of frequency transceiver output；
Switching switch, the switching switch includes multiple output ends, and the input of the switching switch is put with the power
The output end connection of big device, multiple output ends of the switching switch are connected with the antenna of the mobile terminal, and the switching is opened
The control end of pass is connected with the processor；
The processor controls the radio circuit to cut by gating output end corresponding with the objective emission link
The objective emission link is shifted to, and by the objective emission link transmissions electromagnetic wave.
On the other hand, the embodiment of the present invention also provides a kind of mobile terminal, including radio circuit as described above.
Above-mentioned technical proposal of the invention at least has the advantages that：
In the system of selection of the transmitting chain of the radio circuit of the embodiment of the present invention, radio circuit and mobile terminal, pass through
Calculate the signal quality of a plurality of transmitting chain and the radio frequency loss current value of a plurality of transmitting chain, and selection signal quality
Preferably and radio frequency loss current value minimum transmitting chain launches electromagnetic wave, so that mobile terminal is in different applied fields
(including free state and non-free state) has relatively stable radiant power and minimum radio-frequency current is lost under scape.
Brief description of the drawings
Technical scheme in order to illustrate more clearly the embodiments of the present invention, below by institute in the description to the embodiment of the present invention
The accompanying drawing for needing to use is briefly described, it should be apparent that, drawings in the following description are only some implementations of the invention
Example, for those of ordinary skill in the art, without having to pay creative labor, can also be according to these accompanying drawings
Obtain other accompanying drawings.
The step of Fig. 1 represents the system of selection of the transmitting chain of the radio circuit that the first embodiment of the present invention is provided flow
Figure；
The step of Fig. 2 represents the system of selection of the transmitting chain of the radio circuit that the second embodiment of the present invention is provided flow
Figure；
Fig. 3 represents the circuit theory diagrams of the radio circuit that the third embodiment of the present invention is provided；
Fig. 4 represents the Smith chart of the radio circuit that the third embodiment of the present invention is provided；
Fig. 5 represents the circuit theory diagrams of the radio circuit of the FDD that the third embodiment of the present invention is provided；
Fig. 6 represents the circuit theory diagrams of the radio circuit of the time division duplex that the third embodiment of the present invention is provided；
Fig. 7 represents the structural representation of the mobile terminal that the fifth embodiment of the present invention is provided；
Fig. 8 represents the structural representation of the mobile terminal that the sixth embodiment of the present invention is provided.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is a part of embodiment of the invention, rather than whole embodiments.Based on this hair
Embodiment in bright, the every other implementation that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example, belongs to the scope of protection of the invention.
First embodiment
As shown in figure 1, the first embodiment of the present invention provides a kind of system of selection of the transmitting chain of radio circuit, application
In mobile terminal, including：
Step 101, if the load of the antenna of mobile terminal draws the variable quantity for moving impedance to be more than preset value, obtains the radio frequency
The radio frequency loss current value of the signal quality of a plurality of transmitting chain of circuit and a plurality of transmitting chain.
In this step, when mobile terminal is in free state, the antenna load of mobile terminal draws shifting impedance to keep constant；
And work as mobile terminal and be in non-free state, for example to hold or during other application scene, the antenna load of mobile terminal draws and moves resistance
Anti- generation deviation.In the embodiment of the present invention, in order to avoid the transmitting chain of frequent switching radio circuit is so as to increase mobile terminal
Electric quantity consumption, increase unnecessary burden to mobile terminal；The embodiment of the present invention pre-sets a preset value, so as to work as antenna
Load draw move impedance variable quantity be more than preset value when, just execution step 101；And the change for moving impedance is drawn in the load for working as antenna
When amount is less than or equal to preset value, mobile terminal launches electromagnetic wave using the transmitting chain of acquiescence.
Step 102, the radio frequency loss electric current of signal quality and a plurality of transmitting chain according to a plurality of transmitting chain
Value, selects an objective emission link from a plurality of transmitting chain.
In this step, mobile terminal has been pre-configured with a plurality of transmitting chain, and every transmitting chain is satisfied by specifically penetrating
Frequency index.Mobile terminal is calculated by the use of software and a transmitting chain as objective emission link is selected from a plurality of transmitting chain.
Step 103, controls the radio circuit to pass through the objective emission link transmissions electromagnetic wave.
Specifically, the objective emission link based on step 102 selection, radio circuit is using objective emission link transmissions electricity
Magnetic wave.The objective emission link ensure that mobile terminal (including free state and non-free shape under different application scenarios
State) there is relatively stable radiant power and minimum radio-frequency current is lost.
To sum up, in the system of selection of the transmitting chain of the offer radio circuit that the first embodiment of the present invention is provided, pass through
Calculate the signal quality of a plurality of transmitting chain and the radio frequency loss current value of a plurality of transmitting chain such that it is able to realize dynamic
State selects the purpose of transmitting chain, and causes mobile terminal (including free state and non-free shape under different application scenarios
State) there is relatively stable radiant power and minimum radio-frequency current is lost, improve the stability of mobile terminal.
Second embodiment
As shown in Fig. 2 the second embodiment of the present invention provides a kind of system of selection of the transmitting chain of radio circuit, application
In mobile terminal, including：
Step 201, if the load of the antenna of mobile terminal draws the variable quantity for moving impedance to be more than preset value, obtains the radio frequency
The radio frequency loss current value of the signal quality of a plurality of transmitting chain of circuit and a plurality of transmitting chain.
In this step, when mobile terminal is in free state, the antenna load of mobile terminal draws shifting impedance to keep constant；
And work as mobile terminal and be in non-free state, for example to hold or during other application scene, the antenna load of mobile terminal draws and moves resistance
Anti- generation deviation.In the embodiment of the present invention, in order to avoid the transmitting chain of frequent switching radio circuit is so as to increase mobile terminal
Electric quantity consumption, increase unnecessary burden to mobile terminal；The embodiment of the present invention pre-sets a preset value, so as to work as antenna
Load draw move impedance variable quantity be more than preset value when, just execution step 201；And the change for moving impedance is drawn in the load for working as antenna
When amount is less than or equal to preset value, mobile terminal launches electromagnetic wave using the transmitting chain of acquiescence.
Step 202, the radio frequency loss electric current of signal quality and a plurality of transmitting chain according to a plurality of transmitting chain
Value, the selection signal quality most minimum transmitting chain of strong and radio frequency loss current value is used as target from a plurality of transmitting chain
Transmitting chain.
In this step, mobile terminal has been pre-configured with a plurality of transmitting chain, and every transmitting chain is satisfied by specifically penetrating
Frequency index.Mobile terminal is calculated by the use of software and a transmitting chain as objective emission link is selected from a plurality of transmitting chain.
Specifically, the objective emission link is the selection signal quality most minimum hair of strong and radio frequency loss current value in a plurality of transmitting chain
Penetrate link.
Step 203, controls the radio circuit to pass through the objective emission link transmissions electromagnetic wave.
Specifically, the objective emission link based on step 202 selection, radio circuit is using objective emission link transmissions electricity
Magnetic wave.The objective emission link ensure that mobile terminal (including free state and non-free shape under different application scenarios
State) there is relatively stable radiant power and minimum radio-frequency current is lost.
Further, in the second embodiment of the present invention, before step 201, methods described also includes：
Step 204, selects one to give tacit consent to transmitting chain from a plurality of transmitting chain of the radio circuit；
Step 205, if the load of the antenna of mobile terminal draws the variable quantity for moving impedance to be less than or equal to the preset value,
Control the radio circuit to pass through the acquiescence transmitting chain and launch electromagnetic wave.
It should be noted that the acquiescence transmitting chain is any one in above-mentioned a plurality of transmitting chain；Specifically, selection
Can be selected according to a certain rule during acquiescence transmitting chain, specific rules are not limited thereto.Drawn when the load of antenna and move impedance
When variable quantity is smaller, radio circuit launches electromagnetic wave using transmitting chain is given tacit consent to.
To sum up, in the system of selection of the transmitting chain of the offer radio circuit that the second embodiment of the present invention is provided, pass through
Calculate the signal quality of a plurality of transmitting chain and the radio frequency loss current value of a plurality of transmitting chain, and selection signal quality
Preferably and radio frequency loss current value minimum transmitting chain launches electromagnetic wave；So as to realize dynamic select transmitting chain
Purpose, and cause that mobile terminal under different application scenarios (including free state and non-free state) has relatively stable spoke
Penetrate power and minimum radio-frequency current is lost, improve the stability of mobile terminal.
3rd embodiment
As shown in figure 3, the third embodiment of the present invention provides a kind of radio circuit, mobile terminal is applied to, including：
Processor 301, the processor 301 is used to draw the variable quantity for moving impedance to be more than when the load of the antenna of mobile terminal
During preset value, the radio frequency of the signal quality and a plurality of transmitting chain that obtain a plurality of transmitting chain of the radio circuit is damaged
Power consumption flow valuve；And signal quality and the radio frequency loss current value of a plurality of transmitting chain according to a plurality of transmitting chain, from
An objective emission link is selected in a plurality of transmitting chain；
RF transceiver 302；
The power amplifier 303 being connected with the transmitting terminal of the RF transceiver 302, the power amplifier 303 is used for
Amplify the upward signal of the output of the RF transceiver 302；
Switching switch 304, the switching switch 304 includes multiple output ends, the input of the switching switch 304 and institute
State the output end connection of power amplifier 303, multiple output ends of the switching switch 304 and the antenna of the mobile terminal
305 connections, the control end of the switching switch 304 is connected with the processor 301；
The processor 301 controls the radio circuit by gating output end corresponding with the objective emission link
The objective emission link is switched to, and by the objective emission link transmissions electromagnetic wave.
Objective emission link is calculated in the above embodiment of the present invention using processor 301, then is switched by switching
304 control radio circuit to switch to objective emission link, so as to realizing the link switching of hardware.Specifically, the switching is opened
304 multiple output ends are closed to be corresponded with a plurality of transmitting chain of the radio circuit.
Further, the processor is additionally operable to signal quality and a plurality of transmitting chain according to a plurality of transmitting chain
The radio frequency loss current value on road, the selection signal quality most strong and radio frequency loss current value minimum from a plurality of transmitting chain
Transmitting chain is used as objective emission link.
And the processor is additionally operable to the selection one from a plurality of transmitting chain of the radio circuit and gives tacit consent to transmitting chain；And
When the load of the antenna of mobile terminal draws the variable quantity for moving impedance to be less than or equal to the preset value, the radio frequency electrical is controlled
Road electromagnetic wave is launched by the acquiescence transmitting chain.
In the concrete application of the radio circuit that the second embodiment of the present invention is provided, when the load of the antenna of mobile terminal is drawn
When the variable quantity for moving impedance is more than preset value, be generally the deviation on four quadrants, its Smith chart as shown in figure 4,
Load that can be by adjusting radio circuit draws shifting impedance to carry out reversely retracting matching.Accordingly, in the embodiment of the present invention
Four quadrants correspond to four transmitting chains respectively, and four transmitting chains correspond to four output ends that switching switchs 304 respectively.Cut
Changing switch 304 can throw (SP4T) switch to realize using hilted broadsword 4.
It should be noted that the deviation of aforementioned four quadrant is only a poor embodiment, if in the presence of 8 deviations of quadrant,
Then need to set 8 transmitting chains, and realized using the switch that hilted broadsword 8 is thrown；Or the quadrant of other quantity is applied equally to
The application, does not enumerate one by one herein.
For example for the radio circuit of FDD, as shown in figure 5, the radio circuit of the FDD also includes：
Duplexer 306；
The first end of the duplexer 306 is connected with the receiving terminal of the RF transceiver 302, the duplexer 306
Second end is connected with multiple output ends of the switching switch 304；And,
With the first radio frequency main switch 307 of the three-terminal link of the duplexer 306；Wherein,
The first radio frequency main switch 307 is connected with the antenna 305.
In the third embodiment of the present invention, a switching switch 304, switching switch 304 are increased in the radio circuit of FDD
It is connected with power amplifier 303 and duplexer 306 respectively, the 304 wherein a certain bar transmitting chains of gating is switched by the switching, from
And pass through the transmitting chain and electromagnetic radiation is gone out by antenna.
Again for example for the radio circuit of TDD, as shown in fig. 6, the radio circuit of the TDD also includes：
The first wave filter 308 being connected with the receiving terminal of the RF transceiver 302；
The second wave filter 309 being connected with multiple output ends of the switching switch 304；And,
The second radio frequency main switch 310 being connected with first wave filter 308 and second wave filter 309 respectively；Its
In,
The second radio frequency main switch 310 is connected with the antenna 305.
In the third embodiment of the present invention, a switching switch 304, switching switch 304 are increased in the radio circuit of TDD
It is connected with the wave filter 309 of power amplifier 303 and second respectively, the 304 wherein a certain bar transmitting chains of gating is switched by the switching
Road, so as to electromagnetic radiation be gone out by the transmitting chain and by antenna.
It should be noted that mistake may be caused because of the presence of other taps in the handoff procedure of switching switch 304
With phenomenon, so the layout of each transmitting chain should be as far as possible short, then being capable of influence that only maximum possible avoids in handoff procedure.
To sum up, in the radio circuit that the third embodiment of the present invention is provided, a plurality of transmitting chain is calculated by processor
The radio frequency loss current value of signal quality and a plurality of transmitting chain, and it is best in quality come selection signal using switching switch
And radio frequency loss current value minimum transmitting chain launches electromagnetic wave；So as to realize the mesh of dynamic select transmitting chain
, and cause that mobile terminal under different application scenarios (including free state and non-free state) has relatively stable radiation
Power is simultaneously lost minimum radio-frequency current, improves the stability of mobile terminal.
Fourth embodiment
In order to preferably realize above-mentioned purpose, the fourth embodiment of the present invention also provides a kind of mobile terminal, including
Radio circuit as described above.
The mobile terminal calculates the signal quality and a plurality of transmitting chain of a plurality of transmitting chain by processor
Radio frequency loss current value, and using the transmitting chain of switching switch best in quality and radio frequency loss current value minimum come selection signal
To launch electromagnetic wave；So as to realize the purpose of dynamic select transmitting chain, and cause mobile terminal in different applied fields
(including free state and non-free state) has relatively stable radiant power and minimum radio-frequency current is lost under scape, improves and moves
The stability of dynamic terminal.
It should be noted that the mobile terminal that the fourth embodiment of the present invention is provided is the movement comprising above-mentioned radio circuit
Terminal, then all embodiments of above-mentioned radio circuit are applied to the mobile terminal, and can reach same or analogous beneficial
Effect.
5th embodiment
Fig. 7 is the block diagram of the mobile terminal of another embodiment of the present invention.Mobile terminal 700 shown in Fig. 7 includes：At least
One processor 701, memory 702, at least one network interface 704 and other users interface 703.In mobile terminal 700
Each component is coupled by bus system 705.It is understood that bus system 705 is used to realize the company between these components
Connect letter.Bus system 705 in addition to including data/address bus, also including power bus, controlling bus and status signal bus in addition.But
Be for clear explanation for the sake of, various buses are all designated as bus system 705 in the figure 7.
Wherein, user interface 703 can include display, keyboard or pointing device (for example, mouse, trace ball
(trackball), touch-sensitive plate or touch-screen etc..
It is appreciated that the memory 702 in the embodiment of the present invention can be volatile memory or nonvolatile memory,
Or may include both volatibility and nonvolatile memory.Wherein, nonvolatile memory can be read-only storage (Read-
Only Memory, ROM), programmable read only memory (Programmable ROM, PROM), the read-only storage of erasable programmable
Device (Erasable PROM, EPROM), Electrically Erasable Read Only Memory (Electrically EPROM, EEPROM) or
Flash memory.Volatile memory can be random access memory (Random Access Memory, RAM), and it is used as outside height
Speed caching.By exemplary but be not restricted explanation, the RAM of many forms can use, such as static RAM
(Static RAM, SRAM), dynamic random access memory (Dynamic RAM, DRAM), Synchronous Dynamic Random Access Memory
(Synchronous DRAM, SDRAM), double data speed synchronous dynamic RAM (Double Data Rate
SDRAM, DDRSDRAM), enhanced Synchronous Dynamic Random Access Memory (Enhanced SDRAM, ESDRAM), synchronized links
Dynamic random access memory (Synch link DRAM, SLDRAM) and direct rambus random access memory (Direct
Ram bus RAM, DRRAM).The memory 702 of system and method described herein be intended to including but not limited to these and it is any
The memory of other suitable types.
In some embodiments, memory 702 stores following element, can perform module or data structure, or
Person their subset, or their superset：Operating system 7021 and application program 7022.
Wherein, operating system 7021, comprising various system programs, such as ccf layer, core library layer, driving layer etc. are used for
Realize various basic businesses and process hardware based task.Application program 7022, comprising various application programs, such as media
Player (Media Player), browser (Browser) etc., for realizing various applied business.Realize the embodiment of the present invention
The program of method may be embodied in application program 7022.
In embodiments of the present invention, by the program for calling memory 702 to store or instruction, specifically, can be application
The program stored in program 7022 or instruction, if the load of the antenna of mobile terminal draws the variable quantity for moving impedance to be more than preset value,
The radio frequency of signal quality and a plurality of transmitting chain that processor 701 obtains a plurality of transmitting chain of the radio circuit is damaged
Power consumption flow valuve；The radio frequency loss current value of signal quality and a plurality of transmitting chain according to a plurality of transmitting chain, from institute
State and select an objective emission link in a plurality of transmitting chain；The radio circuit is controlled to pass through objective emission link transmissions electricity
Magnetic wave.
The method that the embodiments of the present invention are disclosed can apply in processor 701, or be realized by processor 701.
Processor 701 is probably a kind of IC chip, the disposal ability with signal.In implementation process, the above method it is each
Step can be completed by the instruction of the integrated logic circuit of the hardware in processor 701 or software form.Above-mentioned treatment
Device 701 can be general processor, digital signal processor (Digital Signal Processor, DSP), special integrated electricity
Road (Application Specific Integrated Circuit, ASIC), ready-made programmable gate array (Field
Programmable Gate Array, FPGA) or other PLDs, discrete gate or transistor logic,
Discrete hardware components.Can realize or perform disclosed each method in the embodiment of the present invention, step and logic diagram.It is general
Processor can be microprocessor or the processor can also be any conventional processor etc..With reference to embodiment of the present invention institute
The step of disclosed method, can be embodied directly in hardware decoding processor and perform completion, or with the hardware in decoding processor
And software module combination performs completion.Software module may be located at random access memory, and flash memory, read-only storage may be programmed read-only
In the ripe storage medium in this area such as memory or electrically erasable programmable memory, register.The storage medium is located at
Memory 702, processor 701 reads the information in memory 702, with reference to the step of its hardware completion above method.
It is understood that embodiments described herein can with hardware, software, firmware, middleware, microcode or its
Combine to realize.Realized for hardware, processing unit can be realized in one or more application specific integrated circuits (Application
Specific Integrated Circuits, ASIC), digital signal processor (Digital Signal Processing,
DSP), digital signal processing appts (DSP Device, DSPD), programmable logic device (Programmable Logic
Device, PLD), field programmable gate array (Field-Programmable Gate Array, FPGA), general processor,
In controller, microcontroller, microprocessor, other electronic units for performing herein described function or its combination.
Realized for software, can be realized by performing the module (such as process, function etc.) of function described herein herein
Described technology.Software code is storable in memory and by computing device.Memory can within a processor or
Realize processor outside.
Alternatively, in another embodiment of the present invention, processor 701 is additionally operable to：According to the letter of a plurality of transmitting chain
The radio frequency loss current value of number quality and a plurality of transmitting chain, from a plurality of transmitting chain selection signal quality it is most strong and
The minimum transmitting chain of radio frequency loss current value is used as objective emission link.
Alternatively, in another embodiment of the present invention, processor 701 is additionally operable to a plurality of transmitting chain from the radio circuit
Transmitting chain is given tacit consent in selection one in road；If the load of the antenna of mobile terminal draws the variable quantity for moving impedance less than or equal to described
Preset value, controls the radio circuit to launch electromagnetic wave by the acquiescence transmitting chain.
Mobile terminal 700 can realize each process of mobile terminal realization in previous embodiment, to avoid repeating, here
Repeat no more.
To sum up, the mobile terminal that the fifth embodiment of the present invention is provided calculates the signal of a plurality of transmitting chain by processor
The radio frequency loss current value of quality and a plurality of transmitting chain, and switch best in quality come selection signal using switching and penetrate
Frequency loss current value minimum transmitting chain launches electromagnetic wave；So as to realize the purpose of dynamic select transmitting chain, and
So that mobile terminal under different application scenarios (including free state and non-free state) has relatively stable radiant power
And minimum radio-frequency current is lost, improve the stability of mobile terminal.
It should be noted that the mobile terminal that the fifth embodiment of the present invention is provided is the movement comprising above-mentioned radio circuit
Terminal, then all embodiments of above-mentioned radio circuit are applied to the mobile terminal, and can reach same or analogous beneficial
Effect.
Sixth embodiment
Fig. 8 is the structural representation of the mobile terminal of another embodiment of the present invention.Specifically, the mobile terminal in Fig. 8
800 can be mobile phone, panel computer, personal digital assistant (Personal Digital Assistant, PDA) or vehicle mounted electric
Brain etc..
Mobile terminal 800 in Fig. 8 includes radio frequency (Radio Frequency, RF) circuit 810, memory 820, input
Unit 830, display unit 840, processor 860, voicefrequency circuit 870, Wi Fi (Wireless Fidelity) modules 880 and electricity
Source 890.
Wherein, input block 830 can be used to receive the numeral or character information of user input, and produce and mobile terminal
800 user is set and the relevant signal input of function control.Specifically, in the embodiment of the present invention, the input block 830 can
With including contact panel 831.Contact panel 831, also referred to as touch-screen, can collect user thereon or neighbouring touch operation
(such as user uses the operations of any suitable object or annex on contact panel 831 such as finger, stylus), and according to advance
The formula of setting drives corresponding attachment means.Optionally, contact panel 831 may include touch detecting apparatus and touch controller
Two parts.Wherein, touch detecting apparatus detect the touch orientation of user, and detect the signal that touch operation brings, by signal
Send touch controller to；Touch controller receives touch information from touch detecting apparatus, and is converted into contact coordinate,
Give the processor 860 again, and the order sent of receiving processor 860 and can be performed.Furthermore, it is possible to using resistance-type,
The polytypes such as condenser type, infrared ray and surface acoustic wave realize contact panel 831.Except contact panel 831, input block
830 can also include other input equipments 832, and other input equipments 832 can include but is not limited to physical keyboard, function key
One or more in (such as volume control button, switch key etc.), trace ball, mouse, action bars etc..
Wherein, display unit 840 can be used for display by the information of user input or be supplied to information and the movement of user
The various menu interfaces of terminal 800.Display unit 840 may include display panel 841, optionally, can use LCD or organic hairs
The forms such as optical diode (Organic Light-Emitting Diode, OLED) configure display panel 841.
It should be noted that contact panel 831 can cover display panel 841, touch display screen is formed, when touch display screen inspection
Measure thereon or after neighbouring touch operation, processor 860 is sent to determine the type of touch event, with preprocessor
860 provide corresponding visual output according to the type of touch event in touch display screen.
Touch display screen includes Application Program Interface viewing area and conventional control viewing area.The Application Program Interface viewing area
And the arrangement mode of the conventional control viewing area is not limited, can be arranged above and below, left-right situs etc. can distinguish two and show
Show the arrangement mode in area.The Application Program Interface viewing area is displayed for the interface of application program.Each interface can be with
The interface element such as the icon comprising at least one application program and/or widget desktop controls.The Application Program Interface viewing area
It can also be the empty interface not comprising any content.The conventional control viewing area be used for show utilization rate control higher, for example,
Application icons such as settings button, interface numbering, scroll bar, phone directory icon etc..
Wherein processor 860 is the control centre of mobile terminal 800, using various interfaces and connection whole mobile phone
Various pieces, by running or performing software program and/or module of the storage in first memory 821, and call storage
Data in second memory 822, perform the various functions and processing data of mobile terminal 800, so as to mobile terminal 800
Carry out integral monitoring.Optionally, processor 860 may include one or more processing units.
In embodiments of the present invention, by call store the first memory 821 in software program and/or module and/
Or the data in the second memory 822, if the load of the antenna of mobile terminal draws the variable quantity for moving impedance to be more than preset value, place
Reason device 860 is used for the signal quality and the radio frequency of a plurality of transmitting chain of a plurality of transmitting chain for obtaining the radio circuit
Loss current value；The radio frequency loss current value of signal quality and a plurality of transmitting chain according to a plurality of transmitting chain, from
An objective emission link is selected in a plurality of transmitting chain；The radio circuit is controlled to pass through the objective emission link transmissions
Electromagnetic wave.
Alternatively, in another embodiment of the present invention, processor 860 is additionally operable to the signal according to a plurality of transmitting chain
The radio frequency loss current value of quality and a plurality of transmitting chain, selection signal quality is most strong from a plurality of transmitting chain and penetrates
The minimum transmitting chain of frequency loss current value is used as objective emission link.
Alternatively, in another embodiment of the present invention, processor 860 is additionally operable to a plurality of transmitting chain from the radio circuit
Transmitting chain is given tacit consent in selection one in road；If the load of the antenna of mobile terminal draws the variable quantity for moving impedance less than or equal to described
Preset value, controls the radio circuit to launch electromagnetic wave by the acquiescence transmitting chain.
To sum up, the mobile terminal that the sixth embodiment of the present invention is provided calculates the signal of a plurality of transmitting chain by processor
The radio frequency loss current value of quality and a plurality of transmitting chain, and switch best in quality come selection signal using switching and penetrate
Frequency loss current value minimum transmitting chain launches electromagnetic wave；So as to realize the purpose of dynamic select transmitting chain, and
So that mobile terminal under different application scenarios (including free state and non-free state) has relatively stable radiant power
And minimum radio-frequency current is lost, improve the stability of mobile terminal.
It should be noted that the mobile terminal that the sixth embodiment of the present invention is provided is the movement comprising above-mentioned radio circuit
Terminal, then all embodiments of above-mentioned radio circuit are applied to the mobile terminal, and can reach same or analogous beneficial
Effect.
Those of ordinary skill in the art are it is to be appreciated that the list of each example described with reference to the embodiments described herein
Unit and algorithm steps, can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually
Performed with hardware or software mode, depending on the application-specific and design constraint of technical scheme.Professional and technical personnel
Described function, but this realization can be realized it is not considered that exceeding using distinct methods to each specific application
The scope of the present invention.
It is apparent to those skilled in the art that, for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, may be referred to the corresponding process in preceding method embodiment, will not be repeated here.
In embodiment provided herein, it should be understood that disclosed apparatus and method, can be by other
Mode is realized.For example, device embodiment described above is only schematical, for example, the division of the unit, is only
A kind of division of logic function, can there is other dividing mode when actually realizing, such as multiple units or component can combine or
Person is desirably integrated into another system, or some features can be ignored, or does not perform.Another, shown or discussed is mutual
Between coupling or direct-coupling or communication connection can be the INDIRECT COUPLING or communication link of device or unit by some interfaces
Connect, can be electrical, mechanical or other forms.
The unit that is illustrated as separating component can be or may not be it is physically separate, it is aobvious as unit
The part for showing can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple
On NE.Some or all of unit therein can be according to the actual needs selected to realize the mesh of this embodiment scheme
's.
In addition, during each functional unit in each embodiment of the invention can be integrated in a processing unit, it is also possible to
It is that unit is individually physically present, it is also possible to which two or more units are integrated in a unit.
If the function is to realize in the form of SFU software functional unit and as independent production marketing or when using, can be with
Storage is in a computer read/write memory medium.Based on such understanding, technical scheme is substantially in other words
The part contributed to prior art or the part of the technical scheme can be embodied in the form of software product, the meter
Calculation machine software product is stored in a storage medium, including some instructions are used to so that a computer equipment (can be individual
People's computer, server, or network equipment etc.) perform all or part of step of each embodiment methods described of the invention.
And foregoing storage medium includes：USB flash disk, mobile hard disk, ROM, RAM, magnetic disc or CD etc. are various can be with store program codes
Medium.
The above, specific embodiment only of the invention, but protection scope of the present invention is not limited thereto, and it is any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all contain
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be defined by scope of the claims.
Claims (10)
1. a kind of system of selection of the transmitting chain of radio circuit, is applied to mobile terminal, it is characterised in that including：
If the load of the antenna of mobile terminal draws the variable quantity for moving impedance to be more than preset value, a plurality of hair of the radio circuit is obtained
Penetrate the signal quality of link and the radio frequency loss current value of a plurality of transmitting chain；
The radio frequency loss current value of signal quality and a plurality of transmitting chain according to a plurality of transmitting chain, from described a plurality of
An objective emission link is selected in transmitting chain；
The radio circuit is controlled to pass through the objective emission link transmissions electromagnetic wave.
2. method according to claim 1, it is characterised in that the signal quality according to a plurality of transmitting chain with
And the radio frequency loss current value of a plurality of transmitting chain, the step of select an objective emission link from a plurality of transmitting chain,
Including：
The radio frequency loss current value of signal quality and a plurality of transmitting chain according to a plurality of transmitting chain, from described a plurality of
The selection signal quality most minimum transmitting chain of strong and radio frequency loss current value is used as objective emission link in transmitting chain.
3. method according to claim 1, it is characterised in that if the load of the antenna of the mobile terminal is drawn is moved impedance
Variable quantity is more than preset value, obtains the signal quality and a plurality of transmitting chain of a plurality of transmitting chain of the radio circuit
Radio frequency loss current value before, methods described also includes：
Transmitting chain is given tacit consent in selection one from a plurality of transmitting chain of the radio circuit；
If the load of the antenna of mobile terminal draws the variable quantity for moving impedance to be less than or equal to the preset value, the radio frequency is controlled
Circuit launches electromagnetic wave by the acquiescence transmitting chain.
4. a kind of radio circuit, is applied to mobile terminal, it is characterised in that including：
Processor, the processor is used for when the load of the antenna of mobile terminal draws the variable quantity for moving impedance to be more than preset value,
Obtain the signal quality of a plurality of transmitting chain of the radio circuit and the radio frequency loss current value of a plurality of transmitting chain；
And signal quality and the radio frequency loss current value of a plurality of transmitting chain according to a plurality of transmitting chain, from a plurality of hair
Penetrate in link and select an objective emission link；
RF transceiver；
The power amplifier being connected with the transmitting terminal of the RF transceiver, the power amplifier is used to amplify the radio frequency receipts
The upward signal of hair device output；
Switching switch, the switching switch includes multiple output ends, the input and the power amplifier of the switching switch
Output end connection, it is described switching switch multiple output ends be connected with the antenna of the mobile terminal, it is described switching switch
Control end is connected with the processor；
The processor controls the radio circuit to switch to by gating output end corresponding with the objective emission link
The objective emission link, and by the objective emission link transmissions electromagnetic wave.
5. radio circuit according to claim 4, it is characterised in that the processor is additionally operable to according to a plurality of transmitting
The radio frequency loss current value of the signal quality of link and a plurality of transmitting chain, the selection signal matter from a plurality of transmitting chain
The amount most minimum transmitting chain of strong and radio frequency loss current value is used as objective emission link.
6. radio circuit according to claim 4, it is characterised in that the processor is additionally operable to from the radio circuit
Transmitting chain is given tacit consent in selection one in a plurality of transmitting chain；And when the load of the antenna of mobile terminal draws the variable quantity for moving impedance to be less than
Or during equal to the preset value, control the radio circuit to launch electromagnetic wave by the acquiescence transmitting chain.
7. radio circuit according to claim 4, it is characterised in that the radio circuit also includes：
Duplexer；
The first end of the duplexer is connected with the receiving terminal of the RF transceiver, and the second end of the duplexer is cut with described
Change multiple output ends connection of switch；And,
With the first radio frequency main switch of the three-terminal link of the duplexer；Wherein,
The first radio frequency main switch is connected with the antenna.
8. radio circuit according to claim 4, it is characterised in that the radio circuit also includes：
The first wave filter being connected with the receiving terminal of the RF transceiver；
The second wave filter being connected with multiple output ends of the switching switch；And,
The second radio frequency main switch being connected with first wave filter and second wave filter respectively；Wherein,
The second radio frequency main switch is connected with the antenna.
9. radio circuit according to claim 4, it is characterised in that multiple output ends of the switching switch are penetrated with described
The a plurality of transmitting chain of frequency circuit is corresponded.
10. a kind of mobile terminal, it is characterised in that including the radio circuit as described in any one of claim 4 to 9.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710111358.5A CN106911354B (en) | 2017-02-28 | 2017-02-28 | Selection method, radio circuit and the mobile terminal of the transmitting link of radio circuit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710111358.5A CN106911354B (en) | 2017-02-28 | 2017-02-28 | Selection method, radio circuit and the mobile terminal of the transmitting link of radio circuit |
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| CN106911354B CN106911354B (en) | 2019-03-01 |
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| CN107949021A (en) * | 2017-11-15 | 2018-04-20 | 维沃移动通信有限公司 | Switch the method and terminal device of receives link in terminal device |
| CN109150326A (en) * | 2018-11-05 | 2019-01-04 | Oppo（重庆）智能科技有限公司 | Antenna impedance adjustment method, electronic device and computer readable storage medium |
| CN110336622A (en) * | 2019-06-27 | 2019-10-15 | 维沃移动通信有限公司 | Emit link protection method and mobile terminal |
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| Publication number | Publication date |
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| CN106911354B (en) | 2019-03-01 |
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