CN109347508A - A kind of mobile terminal and power detecting method - Google Patents
A kind of mobile terminal and power detecting method Download PDFInfo
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- CN109347508A CN109347508A CN201811288202.5A CN201811288202A CN109347508A CN 109347508 A CN109347508 A CN 109347508A CN 201811288202 A CN201811288202 A CN 201811288202A CN 109347508 A CN109347508 A CN 109347508A
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- power
- carrier signal
- radio frequency
- mobile terminal
- antenna
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Classifications
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- 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
- H03F3/211—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only using a combination of several amplifiers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
-
- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
Abstract
It includes RF transceiver, at least two power amplifiers, directional coupler, at least two antennas, power-sensing circuit and processor that the present invention, which provides a kind of mobile terminal and power detecting method, the mobile terminal,；The RF transceiver is connect with each power amplifier and the power-sensing circuit respectively；The directional coupler is connect with one of antenna in the power-sensing circuit and at least two antenna respectively；The processor is connected for controlling the corresponding target radio frequency access of target carrier signal with the antenna that the directional coupler is connected.The present invention can make the power of at least two radio frequency paths realize real-time detection respectively, and the complexity of circuit design is reduced in terms of hardware design, save manufacturing cost.
Description
Technical field
The present embodiments relate to field of communication technology more particularly to a kind of mobile terminals and power detecting method.
Background technique
With the continuous development of the communication technology, smart phone is also developed rapidly.In order to improve downstream transmission speed
Rate, the scheme that mobile terminal mostly uses dual carrier to polymerize at present.The polymerization of uplink dual carrier can largely be promoted mobile whole
Hold the performance of uplink signal.And the accuracy of power, affect the normal use of user.
At present when two up-link carrier polymerizations of interband, two-way radio frequency path circuit is worked at the same time, and needs two orientation couplings
Clutch 1 and 2 carries out power detection to two-way radio frequency path respectively, as shown in Figure 1.And when three up-link carriers polymerize, then again
A directional coupler need to be increased, respectively to three road radio frequency paths carry out power detection, complex circuit designs, and increase at
This.
Summary of the invention
The embodiment of the present invention provides a kind of mobile terminal and power detecting method, is realizing band to solve existing mobile terminal
Between up-link carrier polymerize when, need multiple directional couplers, lead to complex circuit designs and problem at high cost.
In order to solve the above-mentioned technical problem, the present invention is implemented as follows:
In a first aspect, the embodiment provides a kind of mobile terminals, comprising: RF transceiver, at least two function
Rate amplifier, directional coupler, at least two antennas, power-sensing circuit and processor；
The RF transceiver is connect with each power amplifier and the power-sensing circuit respectively；
The directional coupler respectively with one of them in the power-sensing circuit and at least two antenna
Antenna connection；
The processor, for controlling the corresponding target radio frequency access of target carrier signal and company of the directional coupler institute
The antenna conducting connect.
Second aspect, the embodiments of the present invention also provide a kind of power detecting methods, are applied to described in above-described embodiment
Mobile terminal, comprising:
Determine target carrier signal；
The corresponding target radio frequency access of control target carrier signal is connected with the antenna that directional coupler is connected.
The third aspect the embodiment of the invention also provides a kind of mobile terminal, including processor, memory and is stored in institute
The computer program that can be run on memory and on the processor is stated, when the computer program is executed by the processor
The step of realizing power detecting method as described above.
Fourth aspect, it is described computer-readable to deposit the embodiment of the invention also provides a kind of computer readable storage medium
Computer program is stored on storage media, the computer program realizes power detection side as described above when being executed by processor
The step of method.
In embodiments of the present invention, connected respectively with each power amplifier and power-sensing circuit by RF transceiver
It connecing, directional coupler is connect with one of antenna in power-sensing circuit and at least two antennas respectively, so that
Mobile terminal only utilizes a directional coupler, polymerize in interband up-link carrier, when multiple radio frequency paths need power detection, leads to
The corresponding target radio frequency access of processor control target carrier signal is crossed to be connected with the antenna that the directional coupler is connected, thus
The detection to the power of multiple carrier signals is realized, in such manner, it is possible to realize the power of at least two radio frequency paths respectively in real time
Detection reduces the complexity of circuit design in terms of hardware design, saves manufacturing cost.
Detailed description of the invention
Fig. 1 is the electrical block diagram of existing mobile terminal；
Fig. 2 is the electrical block diagram for the mobile terminal that inventive embodiments provide；
Fig. 3 is the flow diagram of the power detecting method of the embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Based on this hair
Embodiment in bright, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
As shown in Fig. 2, the electrical block diagram of the mobile terminal provided for inventive embodiments.The mobile terminal includes:
RF transceiver 101, at least two power amplifiers, directional coupler 102, at least two antennas, power-sensing circuit 103 with
And processor (not shown).
The RF transceiver 101 is connect with each power amplifier and power-sensing circuit 103 respectively.
Wherein, the RF transceiver 101, for sending different carrier signals to different function by different radio frequency paths
Rate amplifier, radio frequency path, carrier signal and power amplifier correspond.
Directional coupler 102 connects with one of antenna in power-sensing circuit 103 and at least two antennas respectively
It connects.
Processor is connect for controlling the corresponding target radio frequency access of target carrier signal with directional coupler 102
Antenna conducting.
Here, radio frequency path includes but is not limited to: RF transceiver 101, power amplifier, directional coupler 102.Radio frequency
Access may also include that main collection switch 104, selection switch 105, duplexer, impedance matching network, feedback network etc..
It should be noted that the access including a power amplifier is a radio frequency path.
It should be noted that power-sensing circuit 103 can be set in the outside of RF transceiver 101, also can be set
In the inside of RF transceiver 101.Under normal circumstances, power-sensing circuit 103 is set to the inside of RF transceiver 101.
Here, the output end of directional coupler 102 is connect with one of antenna at least two antennas, directional couple
The coupled end of device 102 is connect with power-sensing circuit 103.
It should be noted that the corresponding target radio frequency access of processor control target carrier signal and directional coupler 102
The antenna conducting, in particular to the corresponding target radio frequency access of control target carrier signal that are connected and 102 electricity of directional coupler
Property connection.Specifically, the corresponding target radio frequency access of control target carrier signal and the input terminal of directional coupler 102 electrically connect
It connects.
In addition, processor connects in addition to the corresponding target radio frequency access of control target carrier signal and directional coupler 102
The antenna conducting connect, the also corresponding target radio frequency access of control target carrier signal and power-sensing circuit 103 are connected.
It is understood that the corresponding target radio frequency access of processor control target carrier signal and directional coupler 102
While the antenna conducting connected, the corresponding target radio frequency access of target carrier signal and power-sensing circuit 103 are connected.This
Sample just realizes mobile terminal to the power detection of radio frequency path.
In the embodiment of the present invention, connected respectively with each power amplifier and power-sensing circuit by RF transceiver
It connecing, directional coupler is connect with one of antenna in power-sensing circuit and at least two antennas respectively, so that
Mobile terminal only utilizes a directional coupler, polymerize in interband up-link carrier, when multiple radio frequency paths need power detection, leads to
The corresponding target radio frequency access of processor control target carrier signal is crossed to be connected with the antenna that the directional coupler is connected, thus
The detection to the power of multiple carrier signals is realized, in such manner, it is possible to realize the power of at least two radio frequency paths respectively in real time
Detection reduces the complexity of circuit design in terms of hardware design, saves manufacturing cost.
Optionally, processor is specifically used in the polymerization of interband up-link carrier, target carrier signal needed for receiving base station
Objective emission power；According to objective emission power, the corresponding target radio frequency access of target carrier signal and power detection electricity are controlled
Road 103 is connected.
Here, mobile terminal supports carrier wave polymerization, can access at least two carrier waves simultaneously, and carries simultaneously at least two
The transmission of uplink and downlink data is carried out on wave, greatly improves message transmission rate.
At least two up-link carriers of different frequency bands are polymerize in addition, the polymerization of interband up-link carrier refers to, make a user
Transmitting uplink data is carried out at least two up-link carriers of different frequency bands.
It should be noted that mobile terminal is to target radio frequency after target radio frequency access and power-sensing circuit 103 are connected
Access carries out power detection.
Here, the power detection of mobile terminal is usually that the signal magnitude on radio circuit is passed through directional coupler 102
It is coupled in RF transceiver 101, different capacity is converted into different ADC values, and later, power and the corresponding relationship of ADC value are write
Enter to mobile terminal, to realize the calling of different capacity grade.
It is the power grade and hair of power detection value, RF transceiver 101 by the corresponding relationship that above-mentioned processing obtains
Penetrate the default corresponding relationship between power.
Further explanation is additionally needed, in the transmission power and objective emission power difference of target carrier signal,
It is required to enable the transmission power of target carrier signal to reach base station, it usually needs to the power etc. of RF transceiver 101
Grade is adjusted.It can specifically include following steps:
The power detection value for obtaining target carrier signal is examined according to the power detection value, objective emission power and power
Measured value, RF transceiver 101 power grade and transmission power between default corresponding relationship, adjustment RF transceiver 101
Power grade makes the transmission power objective emission power of target carrier signal.
Here, processor obtains the power detection value of target carrier signal, is the value demodulated according to power detection.
In a preferred embodiment of the invention, mobile terminal further include: main collection switch 104 and selection switch 105, such as
Shown in Fig. 2.
Wherein, main collection switch 104 is connect with each power amplifier and selection switch 105 respectively；Select switch 105 and
Directional coupler 102 connects, and connect respectively with other antennas at least two antennas.
It should be noted that other antennas be at least two antennas in addition to the antenna being connect with directional coupler 102
Antenna.
Further, processor is connect with selection switch 105, is specifically used for according to objective emission power, control selections are opened
It closes 105 the corresponding target radio frequency access of target carrier signal is connected with power-sensing circuit 103.
Here, processor control selections switch 105 is by the corresponding target radio frequency access of target carrier signal and power detection
The conducting of circuit 103, in particular to control selections switch 105 are by the corresponding target radio frequency access of target carrier signal and directional couple
Device 102 is electrically connected, specifically, control selections switch 105 is by the corresponding target radio frequency access of target carrier signal and orients coupling
The input terminal of clutch 102 is electrically connected.
It should be noted that processor passes through the connection status of switch control logic control selections switch 105.
It in the embodiment of the present invention, is switched by using a selection, selection switch switchs with main collection respectively, is connected with one
Other antennas connection in the antenna of a directional coupler and at least two antennas in addition to the antenna, so that mobile
Terminal only utilizes a directional coupler, polymerize in interband up-link carrier, when multiple radio frequency paths need power detection, by dividing
The conducting of each radio frequency path and power-sensing circuit is not controlled, to realize the inspection to the power of multiple band carrier signals
It surveys, in such manner, it is possible to which the power of at least two radio frequency paths is made to realize real-time detection respectively, circuit is reduced in terms of hardware design and is set
The complexity of meter saves manufacturing cost.
Based on embodiment shown in Fig. 2, in another preferred embodiment of the present invention, at least two power amplifier packets
Include: the first power amplifier 106 and the second power amplifier 107, at least two antennas include: first antenna 108 and second day
Line 109；RF transceiver 101 is connect with the first power amplifier 106 and the second power amplifier 107 respectively, is specifically used for logical
It crosses the first radio frequency path and sends first carrier signal to the first power amplifier 106, send second by the second radio frequency path and carry
Wave signal gives the second power amplifier 107；Directional coupler 102 is connect with first antenna 108；Second antenna 109 is opened with selection
Close 105 connections.
Here, mobile terminal includes two radio frequency paths in the present embodiment.Based on this, processor is specifically used in interband
When up-link carrier polymerize, the first object tranmitting frequency of first carrier signal needed for receiving base station；Emit frequency according to first object
First radio frequency path and power-sensing circuit 103 are connected for rate, control selections switch 105.
It should be noted that in the polymerization of interband up-link carrier, the first object of first carrier signal needed for receiving base station
Tranmitting frequency illustrates that base station will be adjusted including first carrier in first carrier signal and the polymerization of the up-link carrier of the second carrier signal
The power of signal.In addition, according to first object tranmitting frequency, control selections switch 105 is by the first radio frequency path and power detection
Circuit 103 is connected, and its purpose is to carry out power detection to first carrier signal.
Here, the first radio frequency path and power-sensing circuit 103 are connected processor control selections switch 105, specifically
Refer to that the first radio frequency path and directional coupler 102 are electrically connected by control selections switch 105, specifically, control selections switch 105
The input terminal of first radio frequency path and directional coupler 102 is electrically connected.
If the transmission power of first carrier signal is unable to reach base station and wants after carrying out power detection to first carrier signal
It asks, and is required to reach base station, further, processor can also be specifically used for obtaining the first power of first carrier signal
Detected value；According to the power of the first power detection value, first object tranmitting frequency and power detection value, RF transceiver 101
The first default corresponding relationship between grade and transmission power adjusts the power grade of RF transceiver 101, carries the first frequency range
The transmission power of wave signal is first object transmission power.Here, for example, for the first radio frequency path, power detection value,
The first default corresponding relationship between the power grade and transmission power of RF transceiver, can be as shown in table 1 below.
| Channel | RGI | Power (dBm) | Power detection value |
| 18300 | 71 | 28 | 48013 |
| 18300 | 70 | 27.8 | 46011 |
| 18300 | 69 | 27.5 | 43994 |
| 18300 | 68 | 27 | 42044 |
| 18300 | 67 | 26.4 | 39150 |
| 18300 | 66 | 25.6 | 35175 |
| 18300 | 65 | 24.7 | 31203 |
| 18300 | 64 | 23.8 | 27322 |
| 18300 | 63 | 23 | 23235 |
| 18300 | 62 | 22 | 19442 |
| 18300 | 61 | 21 | 15256 |
Table 1
It should be noted that every a line of data in above table corresponds.
Wherein, RGI (RF Gain index, rf gain index) is used to indicate the power grade of RF transceiver.
Power detection value is the watt level that current power feeds back to RF transceiver, is changed into corresponding ADC value.
For example, when the value fed back by power detection for the first radio frequency path is between 23235, then according to above-mentioned first
Default corresponding relationship, it is known that mobile terminal current transmission power is 23dBm, and the power grade RGI of RF transceiver is 63, this mistake
Journey is power detection process.
Specifically, by the first power detection value and the first default corresponding relationship, it is known that the current function of RF transceiver
Rate grade, and known first object transmission power and the first default corresponding relationship, it is known that the first object of RF transceiver
Power grade, in this way, can be adjusted according to first object power grade to current power level, by the power of RF transceiver
Grade is adjusted by current power level to first object power grade.
Here, processor can also be specifically used for the second carrier signal needed for receiving base station in the polymerization of interband up-link carrier
The second objective emission frequency；According to the second objective emission frequency, control selections switch 105 examines the second radio frequency path and power
Slowdown monitoring circuit 103 is connected.
It should be noted that in the polymerization of interband up-link carrier, the second target of the second carrier signal needed for receiving base station
Transmission power illustrates that base station will be adjusted including the second carrier wave in first carrier signal and the polymerization of the up-link carrier of the second carrier signal
The power of signal.
In addition, according to the second objective emission power, control selections switch 105 is by the second radio frequency path and power-sensing circuit
103 conductings, its purpose is to carry out power detection to the second radio frequency path.
Here, the second radio frequency path and power-sensing circuit 103 are connected processor control selections switch 105, specifically
Refer to that the second radio frequency path and directional coupler 102 are electrically connected by control selections switch 105, specifically, control selections switch 105
The input terminal of second radio frequency path and directional coupler 102 is electrically connected.
If the transmission power of the second carrier signal is unable to reach base station and wants after carrying out power detection to the second carrier signal
It asks, and is required to reach base station, further, processor can also be specifically used for obtaining the second power of the second carrier signal
Detected value；According to the power of the second power detection value, the second objective emission frequency and power detection value, RF transceiver 101
The second default corresponding relationship between grade and transmission power adjusts the power grade of RF transceiver 101, believes the second carrier wave
Number transmission power be the second objective emission power.
Here, for example, for the second radio frequency path, power detection value, the power grade of RF transceiver and transmitting
The second default corresponding relationship between power, can be as shown in table 2 below.
| Channel | RGI | Power (dBm) | Power detection value |
| 19575 | 71 | 27.8 | 47253 |
| 19575 | 70 | 27.6 | 45011 |
| 19575 | 69 | 27.3 | 42994 |
| 19575 | 68 | 26.8 | 40944 |
| 19575 | 67 | 26.2 | 38316 |
| 19575 | 66 | 25.4 | 34307 |
| 19575 | 65 | 24.6 | 30238 |
| 19575 | 64 | 23.6 | 26332 |
| 19575 | 63 | 22.7 | 22315 |
| 19575 | 62 | 21.8 | 18310 |
| 19575 | 61 | 20.7 | 14216 |
Table 2
It should be noted that every a line of data in above table corresponds.
Wherein, RGI (RF Gain index, rf gain index) is used to indicate the power grade of RF transceiver.
Power detection value is the watt level that current power feeds back to RF transceiver, is changed into corresponding ADC value.
Specifically, by the second power detection value and the second default corresponding relationship, it is known that the current function of RF transceiver
Rate grade, and known second objective emission power and the second default corresponding relationship, it is known that the second target of RF transceiver
Power grade, in this way, can be adjusted according to the second target power grade to current power level, by the power of RF transceiver
Grade is adjusted by current power level to the second target power grade.
In this way, each power in the polymerization of mobile terminal interband up-link carrier is all located by the adjustment of above-mentioned power grade
In stable state.When base station requires some carrier signal of mobile terminal to adjust power, mobile terminal again believes the carrier wave
Number corresponding radio frequency path is by selecting switch to connect with directional coupler, so that power adjustment is carried out, to be finally reached base station
Requirement for power.
Preferably, select switch 105 for double-point double-throw switch.The double-point double-throw switch for be connected the first radio frequency path with
Power-sensing circuit 103 or the second radio frequency path of conducting and power-sensing circuit 103.
In the present embodiment, when first carrier signal needs power detection, control double-point double-throw switch leads to the first radio frequency
Road is switched to the first antenna 108 with directional coupler 102, i.e., connect the first radio frequency path with directional coupler 102, uses
In the first radio frequency path of conducting and power-sensing circuit 103；After power adjustment to the target power of first carrier signal, first
Antenna 108 and the second antenna 109 are in free switching state.
When the second carrier signal needs power detection, the second radio frequency path is switched to by control double-point double-throw switch to be had
Second radio frequency path is connect by the first antenna 108 of directional coupler 102 with directional coupler 102, penetrate for being connected second
Frequency access and power-sensing circuit 103；After power adjustment to the target power of the second carrier signal, first antenna 108 and
Two antennas 109 are in free switching state.The present embodiment can be complicated in user's usage scenario, if circuit is by temperature, humidity
Etc. in the case where the influence of factors, carry out power detection in real time.
As shown in figure 3, being the flow diagram of power detecting method provided in an embodiment of the present invention, it is applied to above-mentioned implementation
Mobile terminal described in example.This method may comprise steps of:
Step 201, target carrier signal is determined；
In this step, target carrier signal can be determined as the case may be by mobile terminal device itself, can also be passed through
Base station determines.
Step 202, the antenna that the corresponding target radio frequency access of control target carrier signal is connect with directional coupler is led
It is logical.
It should be noted that processor is in addition to the corresponding target radio frequency access of control target carrier signal and directional coupler
The antenna conducting connected, the also corresponding target radio frequency access of control target carrier signal are connected with power-sensing circuit.
It is understood that the corresponding target radio frequency access of processor control target carrier signal and company of directional coupler institute
While the antenna conducting connect, the corresponding target radio frequency access of target carrier signal is connected with power-sensing circuit.In this way, just real
Mobile terminal is showed to the power detection of radio frequency path.
In the embodiment of the present invention, by determining target carrier signal, the corresponding target radio frequency of control target carrier signal is logical
Road is connected with the antenna that directional coupler is connected, so that the detection to the power of multiple carrier signals is realized, in such manner, it is possible to make
The power of at least two radio frequency paths realizes real-time detection respectively, and the complexity of circuit design, section are reduced in terms of hardware design
Save manufacturing cost.
Based on embodiment shown in Fig. 3, as a preferred implementation, the method be can comprise the further steps of:
In the polymerization of interband up-link carrier, the objective emission power of target carrier signal needed for receiving base station.
In this step, the polymerization of interband up-link carrier, which refers to, polymerize at least two up-link carriers of different frequency bands, makes one
User carries out transmitting uplink data at least two up-link carriers of different frequency bands.
Here, the objective emission power of target carrier signal needed for receiving base station illustrates that base station will adjust target frequency bands load
The power of wave signal.
According to the objective emission power, the corresponding target radio frequency access of the target carrier signal and power detection are controlled
Circuit conducting.
In this step, according to objective emission power, the corresponding target radio frequency access of target carrier signal and the function are controlled
The conducting of rate detection circuit, its purpose is to carry out power detection to target carrier signal.
Here, it should be further noted that when the transmission power and objective emission power for detecting target carrier signal
When different, required to enable the transmission power of target carrier signal to reach base station, it usually needs to the function of RF transceiver
Rate grade is adjusted.It can specifically include following steps:
Obtain the power detection value of target carrier signal.
In this step, after the corresponding target radio frequency access of target carrier signal is connected with power-sensing circuit, Ke Yitong
The power detection value of over-power detection circuit acquisition target carrier signal.
According to power detection value, objective emission power and power detection value, the power grade of RF transceiver and transmitting
Default corresponding relationship between power, adjusts the power grade of RF transceiver, makes the transmission power mesh of target carrier signal
Mark transmission power.
In this step, by power detection value and the default corresponding relationship, it is known that the current power level of RF transceiver,
Known target transmission power and the default corresponding relationship again, it is known that the target power grade of RF transceiver, in this way, can basis
Target power grade is adjusted current power level, by the power grade of RF transceiver by current power level adjust to
Target power grade.
In this way, the power of at least two radio frequency paths can not only be made to realize real-time detection, and its power adjustment respectively
Base station requirement can be reached.
Based on above-mentioned preferred implementation, with reference to electrical block diagram shown in Fig. 2, optionally, step: in interband
Up-link carrier polymerize when, receive base station needed for target carrier signal objective emission power, can with specifically includes the following steps:
In the polymerization of interband up-link carrier, the first object tranmitting frequency of first carrier signal needed for receiving base station；
In this step, in the polymerization of interband up-link carrier, the first object transmitting of first carrier signal needed for receiving base station
Frequency illustrates that base station will be adjusted including first carrier signal in first carrier signal and the polymerization of the up-link carrier of the second carrier signal
Power.
Wherein, according to the objective emission power, the corresponding target radio frequency access of the target carrier signal and function are controlled
The step of rate detection circuit is connected, comprising:
According to the first object tranmitting frequency, control selections switch leads the first radio frequency path with power-sensing circuit
It is logical.
In this step, according to first object tranmitting frequency, control selections switch is electric by the first radio frequency path and power detection
Road conducting, its purpose is to carry out power detection to first carrier signal.
Here, it should be further noted that when the transmission power and first object that detect first carrier signal emit
When power difference, required to enable the transmission power of first carrier signal to reach base station, it usually needs to RF transceiver
Power grade be adjusted.It can specifically include following steps:
Obtain the first power detection value of first carrier signal；
In this step, the first power detection value of first carrier signal can be obtained by power-sensing circuit.
According to the first power detection value, first object tranmitting frequency and power detection value, the power of RF transceiver etc.
The first default corresponding relationship between grade and transmission power, adjusts the power grade of RF transceiver, makes first carrier signal
Transmission power is first object transmission power.
In this step, by the first power detection value and the first default corresponding relationship, it is known that RF transceiver it is current
Power grade, and known first object transmission power and the first default corresponding relationship, it is known that the first mesh of RF transceiver
Power grade is marked, in this way, can be adjusted according to first object power grade to current power level, by the function of RF transceiver
Rate grade is adjusted by current power level to first object power grade.
Based on above-mentioned preferred implementation, with reference to electrical block diagram shown in Fig. 2, optionally, step: in interband
Up-link carrier polymerize when, receive base station needed for target carrier signal objective emission power the step of, can specifically include following
Step:
In the polymerization of interband up-link carrier, the second objective emission frequency of the second carrier signal needed for receiving base station；
In this step, in the polymerization of interband up-link carrier, the second objective emission of the second carrier signal needed for receiving base station
Power illustrates that base station will be adjusted including the second carrier signal in first carrier signal and the polymerization of the up-link carrier of the second carrier signal
Power.
Wherein, according to the objective emission power, control by the corresponding target radio frequency access of the target carrier signal with
The step of power-sensing circuit is connected, comprising:
According to the second objective emission frequency, control selections switch leads the second radio frequency path with power-sensing circuit
It is logical.
In this step, according to the second objective emission power, control selections switch is electric by the second radio frequency path and power detection
Road conducting, its purpose is to carry out power detection to the second radio frequency path.
Here, it should be further noted that when the transmission power and the second objective emission for detecting the second carrier signal
When power difference, required to enable the transmission power of the second carrier signal to reach base station, it usually needs to RF transceiver
Power grade be adjusted.It can specifically include following steps:
Obtain the second power detection value of the second carrier signal；
In this step, the second power detection value of the second carrier signal can be obtained by power-sensing circuit.
According to the second power detection value, the second objective emission frequency and power detection value, the power of RF transceiver etc.
The second default corresponding relationship between grade and transmission power, adjusts the power grade of RF transceiver, makes the second carrier signal
Transmission power is the second objective emission power.
In this step, by the second power detection value and the second default corresponding relationship, it is known that RF transceiver it is current
Power grade, and known second objective emission power and the second default corresponding relationship, it is known that the second mesh of RF transceiver
Power grade is marked, in this way, can be adjusted according to the second target power grade to current power level, by the function of RF transceiver
Rate grade is adjusted by current power level to the second target power grade.
It should be noted that above-mentioned two optional embodiment based on above-mentioned preferred implementation can be in different implementations
Implement in example, can also be placed in the same embodiment and successively implement respectively.
In the embodiment of the present invention, by determining target carrier signal, the corresponding target radio frequency of control target carrier signal is logical
Road is connected with the antenna that directional coupler is connected, so that the detection to the power of multiple carrier signals is realized, in such manner, it is possible to make
The power of at least two radio frequency paths realizes real-time detection respectively, and the complexity of circuit design, section are reduced in terms of hardware design
Save manufacturing cost.
In embodiments of the present invention, mobile terminal includes but is not limited to mobile phone, tablet computer, laptop, palm electricity
Brain, car-mounted terminal, wearable device and pedometer etc..
Preferably, the embodiment of the present invention also provides a kind of mobile terminal, including processor, and memory is stored in memory
Computer program that is upper and can running on a processor, the computer program realize above-mentioned power detection side when being executed by processor
Each process of method embodiment, and identical technical effect can be reached, to avoid repeating, which is not described herein again.
The embodiment of the present invention also provides a kind of computer readable storage medium, and meter is stored on computer readable storage medium
Calculation machine program, the computer program realize each process of above-mentioned power detecting method embodiment, and energy when being executed by processor
Reach identical technical effect, to avoid repeating, which is not described herein again.Wherein, the computer readable storage medium, such as only
Read memory (Read-Only Memory, abbreviation ROM), random access memory (Random Access Memory, abbreviation
RAM), magnetic or disk etc..
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or the device that include a series of elements not only include those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or device institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including being somebody's turn to do
There is also other identical elements in the process, method of element, article or device.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can be realized by means of software and necessary general hardware platform, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.Based on this understanding, technical solution of the present invention substantially in other words does the prior art
The part contributed out can be embodied in the form of software products, which is stored in a storage medium
In (such as ROM/RAM, magnetic disk, CD), including some instructions are used so that a terminal (can be mobile phone, computer, service
Device, air conditioner or network equipment etc.) execute method described in each embodiment of the present invention.
The embodiment of the present invention is described with above attached drawing, but the invention is not limited to above-mentioned specific
Embodiment, the above mentioned embodiment is only schematical, rather than restrictive, those skilled in the art
Under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, it can also make very much
Form belongs within protection of the invention.
Claims (15)
1. a kind of mobile terminal characterized by comprising RF transceiver, at least two power amplifiers, directional coupler,
At least two antennas, power-sensing circuit and processor；
The RF transceiver is connect with each power amplifier and the power-sensing circuit respectively；
The directional coupler respectively with one of antenna in the power-sensing circuit and at least two antenna
Connection；
The processor is connect for controlling the corresponding target radio frequency access of target carrier signal with the directional coupler
Antenna conducting.
2. mobile terminal according to claim 1, which is characterized in that the processor is specifically used for carrying in interband uplink
When wave polymerize, the objective emission power of target carrier signal needed for receiving base station；According to the objective emission power, described in control
The corresponding target radio frequency access of target carrier signal is connected with the power-sensing circuit.
3. mobile terminal according to claim 1, which is characterized in that the RF transceiver, for being penetrated by different
Frequency access sends different carrier signals and gives different capacity amplifier, and radio frequency path, carrier signal and power amplifier correspond.
4. mobile terminal according to claim 2, which is characterized in that further include: main collection switch and selection switch；
Wherein, the main collection switch is connected with each power amplifier and selection switch respectively；
The selection switch is connect with the directional coupler, and is connected respectively with other antennas at least two antenna
It connects.
5. mobile terminal according to claim 4, which is characterized in that the processor and selection switch connect, tool
Body is used to control the selection switch according to the objective emission power and lead to the corresponding target radio frequency of the target carrier signal
Road is connected with the power-sensing circuit.
6. mobile terminal according to claim 4, which is characterized in that at least two power amplifier includes: first
Power amplifier and the second power amplifier, at least two antenna include: first antenna and the second antenna；
The RF transceiver is connect with first power amplifier and second power amplifier respectively, is specifically used for logical
It crosses the first radio frequency path and sends first carrier signal to first power amplifier, send second by the second radio frequency path and carry
Wave signal gives second power amplifier；
The directional coupler is connect with the first antenna；
Second antenna and selection switch connect.
7. mobile terminal according to claim 6, which is characterized in that the processor is specifically used for carrying in interband uplink
When wave polymerize, the first object tranmitting frequency of the first carrier signal needed for receiving base station；Emitted according to the first object
Frequency controls the selection switch and first radio frequency path is connected with the power-sensing circuit.
8. mobile terminal according to claim 6, which is characterized in that the processor, also particularly useful in interband uplink
When carrier wave polymerize, the second objective emission frequency of second carrier signal needed for receiving base station；It is sent out according to second target
Radio frequency rate controls the selection switch and second radio frequency path is connected with the power-sensing circuit.
9. mobile terminal according to claim 6, which is characterized in that described to select switch for double-point double-throw switch.
10. a kind of power detecting method is applied to mobile terminal as described in any one of claims 1 to 9, which is characterized in that
Include:
Determine target carrier signal；
The corresponding target radio frequency access of control target carrier signal is connected with the antenna that directional coupler is connected.
11. power detecting method according to claim 10, which is characterized in that further include:
In the polymerization of interband up-link carrier, the objective emission power of target carrier signal needed for receiving base station；
According to the objective emission power, the corresponding target radio frequency access of the target carrier signal and power-sensing circuit are controlled
Conducting.
12. power detecting method according to claim 11, which is characterized in that it is described in the polymerization of interband up-link carrier,
The step of objective emission power of target carrier signal needed for receiving base station, comprising:
In the polymerization of interband up-link carrier, the first object tranmitting frequency of first carrier signal needed for receiving base station；
Wherein, it according to the objective emission power, controls the corresponding target radio frequency access of the target carrier signal and power is examined
The step of slowdown monitoring circuit is connected, comprising:
According to the first object tranmitting frequency, the first radio frequency path is connected control selections switch with power-sensing circuit.
13. power detecting method according to claim 11, which is characterized in that it is described in the polymerization of interband up-link carrier,
The step of objective emission power of target carrier signal needed for receiving base station, comprising:
In the polymerization of interband up-link carrier, the second objective emission frequency of the second carrier signal needed for receiving base station；
Wherein, it according to the objective emission power, controls the corresponding target radio frequency access of the target carrier signal and power
The step of detection circuit is connected, comprising:
According to the second objective emission frequency, the second radio frequency path is connected control selections switch with power-sensing circuit.
14. a kind of mobile terminal, which is characterized in that including processor, memory and be stored on the memory and can be in institute
State the computer program run on processor, when the computer program is executed by the processor realize as claim 10 to
The step of power detecting method described in any one of 13.
15. a kind of computer readable storage medium, which is characterized in that be stored with computer on the computer readable storage medium
Program realizes the power detection side as described in any one of claim 10 to 13 when the computer program is executed by processor
The step of method.
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| CN201811288202.5A CN109347508B (en) | 2018-10-31 | 2018-10-31 | Mobile terminal and power detection method |
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| CN201811288202.5A CN109347508B (en) | 2018-10-31 | 2018-10-31 | Mobile terminal and power detection method |
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| CN109347508B CN109347508B (en) | 2020-06-23 |
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| CN110166146A (en) * | 2019-04-25 | 2019-08-23 | 维沃移动通信有限公司 | A kind of power-sensing circuit and terminal |
| CN110190916A (en) * | 2019-04-25 | 2019-08-30 | 维沃移动通信有限公司 | A kind of power-sensing circuit and terminal |
| CN110336623A (en) * | 2019-07-22 | 2019-10-15 | 维沃移动通信有限公司 | Power detecting method, device and mobile terminal |
| 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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| CN109347508B (en) | 2020-06-23 |
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