CN106788500B - A kind of terminal - Google Patents
A kind of terminal Download PDFInfo
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- CN106788500B CN106788500B CN201710017875.6A CN201710017875A CN106788500B CN 106788500 B CN106788500 B CN 106788500B CN 201710017875 A CN201710017875 A CN 201710017875A CN 106788500 B CN106788500 B CN 106788500B
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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
- H04B1/06—Receivers
- H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
- H04B1/1027—Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received signal
-
- 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
- H04B1/50—Circuits using different frequencies for the two directions of communication
- H04B1/52—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa
- H04B1/525—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa with means for reducing leakage of transmitter signal into the receiver
-
- 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
- H04B1/06—Receivers
- H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
- H04B1/1027—Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received signal
- H04B2001/1045—Adjacent-channel interference
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Transmitters (AREA)
- Amplifiers (AREA)
Abstract
The disclosure is directed to a kind of terminals, belong to field of communication technology.Terminal includes radio-frequency power amplifier, directional coupler, time delay value control assembly, wherein: the input port of directional coupler and the output port of radio-frequency power amplifier are electrically connected, coupled output ports and the input port electric connection of time delay value control assembly, the supply port electric connection of the output port of time delay value control assembly and radio-frequency power amplifier of directional coupler；Directional coupler obtains coupled signal for the output signal of coupled RF power amplifier；Time delay value control assembly obtains the corresponding adjacent channel leakage ratio of each default value for according to coupled signal, determining the adjacent channel leakage ratio of terminal in the case where setting different default values for time delay value；It determines the minimum target default value of corresponding adjacent channel leakage ratio, sets target default value for the time delay value of time delay value control assembly.Using the disclosure, the Adjacent Carrier Leakage of terminal can be made relatively low.
Description
Technical field
The disclosure is directed to fields of communication technology, especially with respect to a kind of terminal.
Background technique
In a communications system, the terminals such as mobile phone can all be corresponding with working frequency (such as fc), wherein working frequency can be with
It is mobile phone frequency corresponding with the working channel when transmission data of base station, however, the RF emission system in the terminals such as mobile phone exists
The frequency that frequency is adjacent channel is often generated in the course of work, and (when channel width is 5 megahertzs, the frequency of adjacent channel is
For the garbage signal of fc+5), which is that can generate interference to the terminal that working channel is adjacent channel, this can be showed
As referred to as Adjacent Carrier Leakage, the terminal can be measured by adjacent channel leakage ratio to the annoyance level of other terminals, wherein neighboring trace is let out
Leakage ratio is the ratio of the power for the garbage signal that the frequency that the terminal generates is the frequency of adjacent channel and the power of useful signal.
Often postpone one after the power of the output signal of radio-frequency power amplifier changes to improve terminal capabilities
Timing is long (duration can be known as time delay value), according to radio-frequency power amplifier output signal power to its supply voltage
It is adjusted, wherein the size of the time delay value can influence terminal capabilities.When terminal capabilities is optimal, the neighboring trace of terminal is let out
Leakage is minimum than can reach, and therefore, suitable time delay value, which is arranged, for terminal is particularly important.Currently, technical staff is often
One time delay value is set to each terminal according to experience.
In implementing the present disclosure, inventor discovery the prior art has at least the following problems:
The time delay value that technical staff is arranged according to experience, it is corresponding when not necessarily the terminal capabilities is optimal
When time delay value namely terminal are worked based on the time delay value, the performance of the terminal may not be able to be optimal, thus, cause
The Adjacent Carrier Leakage of terminal is higher.
Summary of the invention
Adjacent channel leakage ratio in order to overcome the problems, such as terminal present in the relevant technologies is higher, and present disclose provides a kind of ends
End.The technical solution is as follows:
A kind of terminal is provided, the terminal includes radio-frequency power amplifier, directional coupler, time delay value control assembly,
In:
The input port of the directional coupler and the output port of radio-frequency power amplifier are electrically connected, the orientation coupling
The input port of the coupled output ports of clutch and the time delay value control assembly is electrically connected, the time delay value control assembly
The supply port of output port and the radio-frequency power amplifier is electrically connected；
The directional coupler obtains coupled signal for coupling the output signal of the radio-frequency power amplifier；
The time delay value control assembly, in the case where setting different default values for time delay value, according to institute
The coupled signal for stating directional coupler output, determines the adjacent channel leakage ratio of the terminal, obtains the corresponding neighbour of each default value
Road leaks ratio；The minimum target default value of corresponding adjacent channel leakage ratio is determined, by the time delay value of the time delay value control assembly
It is set as the target default value, wherein the time delay value is the power hair of the output signal of the radio-frequency power amplifier
At the time of changing with according to it is described variation the supply voltage of the radio-frequency power amplifier is adjusted accordingly at the time of it
Between the time difference.
Optionally, the time delay value control assembly is used for every preset control period, is setting different for time delay value
Default value in the case where, according to the directional coupler export coupled signal, determine the adjacent channel leakage ratio of the terminal,
Obtain the corresponding adjacent channel leakage ratio of each default value；The minimum target default value of corresponding adjacent channel leakage ratio is determined, by institute
The time delay value for stating time delay value control assembly is set as the target default value.
In this way, time delay value when can prevent actual temperature change from leading to that terminal is made to reach best performance becomes
When change, the time delay value of terminal in actual work is constant, it is thus possible to guarantee that the adjacent channel leakage ratio of terminal remains minimum.
Optionally, the time delay value control assembly is also used to the case where the time delay value is the target default value
Under, according to the coupled signal that the directional coupler exports, determine the adjacent channel leakage ratio of the terminal；When detecting the terminal
Adjacent channel leakage ratio when meeting default control condition, in the case where setting different default values for time delay value, according to institute
The coupled signal for stating directional coupler output, determines the adjacent channel leakage ratio of the terminal, obtains the corresponding neighbour of each default value
Road leaks ratio, the minimum target default value of corresponding adjacent channel leakage ratio is determined, by the time delay value of the time delay value control assembly
It is set as the target default value.
In this way, time delay value when can prevent actual temperature change from leading to that terminal is made to reach best performance becomes
When change, the time delay value of terminal in actual work is constant, it is thus possible to guarantee that the adjacent channel leakage ratio of terminal remains minimum.
Optionally, the time delay value control assembly is also used to the case where the time delay value is the target default value
Under, according to the coupled signal that the directional coupler exports, determine the adjacent channel leakage ratio of the terminal；When detecting the terminal
Adjacent channel leakage ratio when reaching default leakage than threshold value, in the case where setting different default values for time delay value, according to
The coupled signal of the directional coupler output, determines the adjacent channel leakage ratio of the terminal, it is corresponding to obtain each default value
Adjacent channel leakage ratio determines the minimum target default value of corresponding adjacent channel leakage ratio, by the time delay of the time delay value control assembly
Value is set as the target default value.
Optionally, the time delay value control assembly is also used to the case where the time delay value is the target default value
Under, according to the coupled signal that the directional coupler exports, determine the adjacent channel leakage ratio of the terminal；When detecting the terminal
Adjacent channel leakage ratio increase when, in the case where setting different default values for time delay value, according to the directional coupler
The coupled signal of output determines the adjacent channel leakage ratio of the terminal, obtains the corresponding adjacent channel leakage ratio of each default value, determines
The time delay value of the time delay value control assembly is set the target by the minimum target default value of corresponding adjacent channel leakage ratio
Default value.
Optionally, the time delay value control assembly, in the case where setting different default values for time delay value,
According to the coupled signal that the directional coupler exports, determine that the working frequency of the terminal and preset adjacency channel frequency are corresponding
Adjacent channel leakage ratio, obtain the corresponding adjacent channel leakage ratio of each default value.
Optionally, the time delay value control assembly, in the case where setting different default values for time delay value,
Detect the power of the signal for the working frequency that the frequency in the coupled signal of the directional coupler output is respectively the terminal
The performance number of the signal of value and adjacency channel frequency；It is respectively the performance number and side channel of the signal of the working frequency according to frequency
The performance number of the signal of frequency determines the working frequency of the terminal and the corresponding adjacent channel leakage ratio of adjacency channel frequency, obtains every
The corresponding adjacent channel leakage ratio of a default value.
Optionally, the time delay value control assembly includes RF power sensing circuit and signal processor；
The input port of the output port of the RF power sensing circuit and the signal processor is electrically connected, described
The input port of the coupled output ports of directional coupler and the RF power sensing circuit is electrically connected, the signal processing
The supply port of the output port of device and the radio-frequency power amplifier is electrically connected；
The RF power sensing circuit, the frequency difference in coupled signal for detecting the directional coupler output
For the performance number of the signal of the performance number and adjacency channel frequency of the signal of the working frequency of the terminal；
The signal processor, for being penetrated according to described in the case where setting different default values for time delay value
The frequency of frequency power-sensing circuit output is respectively the performance number of the signal of the working frequency and the signal of adjacency channel frequency
Performance number determines the working frequency and the corresponding adjacent channel leakage ratio of the adjacency channel frequency, and it is corresponding to obtain each default value
Adjacent channel leakage ratio.
Optionally, the adjacency channel frequency is difference and/or the adjacency channel frequency of the working frequency and channel width
For the working frequency and channel width and, the adjacent channel leakage ratio be the signal that frequency is adjacency channel frequency performance number with
Frequency is the ratio of the performance number of the signal of the working frequency.
Optionally, the RF power sensing circuit is also used to detect in the coupled signal that the directional coupler exports
Frequency be preset secondary adjacency channel frequency signal performance number；
The signal processor, for being penetrated according to described in the case where setting different default values for time delay value
The frequency of frequency power-sensing circuit output be respectively the performance number of signal of the working frequency, adjacency channel frequency signal function
The performance number of the signal of rate value and time adjacency channel frequency determines the working frequency, the adjacency channel frequency and described adjacent letter
Frequency corresponding adjacent channel leakage ratio in road obtains the corresponding adjacent channel leakage ratio of each default value.
In this way, it can also be ensured that the frequency that terminal generates is less for the power of the signal of time adjacency channel frequency, it is thus possible to
So that terminal is smaller to the interference that working frequency is time adjacency channel frequency.
The technical scheme provided by this disclosed embodiment can include the following benefits:
In the embodiment of the present disclosure, terminal includes radio-frequency power amplifier, directional coupler, time delay value control assembly, in which:
The input port of directional coupler and the output port of radio-frequency power amplifier are electrically connected, the coupled output of directional coupler
The output port and radio-frequency power amplifier of mouth and the electric connection of the input port of time delay value control assembly, time delay value control assembly
Supply port be electrically connected；Directional coupler obtains coupled signal for the output signal of coupled RF power amplifier；
Time delay value control assembly, for being exported according to directional coupler in the case where setting different default values for time delay value
Coupled signal, determine the adjacent channel leakage ratio of terminal, obtain the corresponding adjacent channel leakage ratio of each default value；Determine corresponding neighbour
Road is leaked than minimum target default value, sets target default value for the time delay value of time delay value control assembly, wherein when
Prolong at the time of value changes for the power of the output signal of radio-frequency power amplifier and according to variation to radio-frequency power amplifier
Supply voltage at the time of adjust accordingly between the time difference.In this way, the time delay value being finally arranged is the Adjacent Carrier Leakage of terminal
Than minimum numerical value, it is thus possible to make the Adjacent Carrier Leakage of terminal relatively low.
It should be understood that above general description and following detailed description be only it is exemplary and explanatory, not
The disclosure can be limited.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the disclosure
Example, and together with specification for explaining the principles of this disclosure.In the accompanying drawings:
Fig. 1 is a kind of terminal structure schematic diagram shown according to an exemplary embodiment；
Fig. 2 is a kind of terminal structure schematic diagram shown according to an exemplary embodiment；
Fig. 3 is a kind of terminal structure schematic diagram shown according to an exemplary embodiment.
Through the above attached drawings, it has been shown that the specific embodiment of the disclosure will be hereinafter described in more detail.These attached drawings
It is not intended to limit the scope of this disclosure concept by any means with verbal description, but is by referring to specific embodiments
Those skilled in the art illustrate the concept of the disclosure.
Marginal data
1, radio-frequency power amplifier 2, directional coupler
3, time delay value control assembly 4, antenna
31, RF power sensing circuit 32, signal processor
Specific embodiment
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to
When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment
Described in embodiment do not represent all implementations consistent with this disclosure.On the contrary, they be only with it is such as appended
The consistent example of some aspects be described in detail in claims, the disclosure.
The embodiment of the present disclosure provides a kind of terminal, as shown in Figure 1, the terminal includes radio-frequency power amplifier 1, orientation coupling
Clutch 2, time delay value control assembly 3, in which: the input port of directional coupler 2 and the output port electricity of radio-frequency power amplifier 1
Property connection, the input port of the coupled output ports of directional coupler 2 and time delay value control assembly 3 is electrically connected, time delay value control
The output port of component 3 processed and the supply port of radio-frequency power amplifier 1 are electrically connected；Directional coupler 2 is used for coupled RF
The output signal of power amplifier, obtains coupled signal；Time delay value control assembly 3, for setting different for time delay value
In the case where default value, according to the coupled signal that directional coupler 2 exports, determines the adjacent channel leakage ratio of terminal, obtain each
The corresponding adjacent channel leakage ratio of default value；It determines the minimum target default value of corresponding adjacent channel leakage ratio, time delay value is controlled
The time delay value of component is set as target default value, wherein time delay value is the power hair of the output signal of radio-frequency power amplifier
Between at the time of being adjusted accordingly at the time of changing and according to supply voltage of the variation to radio-frequency power amplifier 1 when
Difference.
In an implementation, terminal may include radio-frequency power amplifier 1, directional coupler 2 and time delay value control assembly 3,
In, radio-frequency power amplifier 1 can be used for enhancing the power of input signal, so that the function for the radiofrequency signal that terminal is sent to base station
Rate is sufficiently large.The input port of directional coupler 2 can be electrically connected with the output port of radio-frequency power amplifier 1, orient coupling
The coupled output ports of clutch 2 can be electrically connected with the input port of time delay value control assembly 3, time delay value control assembly 3
Output port can be electrically connected with the supply port of radio-frequency power amplifier 1, wherein time delay value control assembly 3 can be used for
According to the variation delay certain time length of the output signal of radio-frequency power amplifier 1 to the supply voltage of radio-frequency power amplifier 1 into
The corresponding adjustment of row, the output port of time delay value control assembly 3 can pass through the power supply of power supply and radio-frequency power amplifier 1
Port is electrically connected.
Directional coupler 2 can be used for coupling the output signal of radio-frequency power amplifier 1, obtain coupled signal,
I.e. directional coupler 2 can couple the output signal of fraction radio-frequency power amplifier 1, and can be defeated by obtained coupled signal
Out to time delay value control assembly 3.
Time delay value control assembly 3 can be used for being adjusted the time delay value of time delay value control assembly 3, it can be used for
The numerical value of time delay value is set.That is, multiple and different default values can be previously stored in time delay value control assembly 3,
Wherein, multiple and different default values can be the numerical value within the scope of certain predetermined, the preset range can with technical staff according to
Empirical value setting, when the performance which can be terminal is optimal, the time delay value of time delay value control assembly 3 may
Range where corresponding numerical value.Time delay value control assembly 3 can set gradually time delay value as multiple and different default values.
When time delay value is each default value, the coupled signal that time delay value control assembly 3 can be exported according to directional coupler 2 is determined
The adjacent channel leakage ratio of terminal obtains the corresponding adjacent channel leakage ratio of each default value.Obtain the corresponding neighboring trace of each default value
After leakage ratio, time delay value control assembly 3 can determine that the minimum default value of corresponding adjacent channel leakage ratio (it is pre- to be properly termed as target
If numerical value), in turn, target default value can be set by the time delay value of time delay value control assembly, wherein adjacent channel leakage ratio can
For characterizing the terminal to working frequency as the influence size of the terminal of adjacency channel frequency.Target is set by time delay value to preset
After numerical value, terminal can be worked based on target default value.
Optionally, the control period can also be previously stored in time delay value control assembly 3, wherein control the size in period
It can be preset by technical staff.When every preset control period, time delay value control assembly 3 can successively be set time delay value
It is set to multiple and different default values, and can be when time delay value is each default value, according to the coupling of the output of directional coupler 2
Signal is closed, the adjacent channel leakage ratio of terminal is determined, obtains the corresponding adjacent channel leakage ratio of each default value.Obtain each default value
After corresponding adjacent channel leakage ratio, time delay value control assembly 3 can determine that the minimum default value of corresponding adjacent channel leakage ratio (can be with
Referred to as target default value), in turn, target default value can be set by the time delay value of time delay value control assembly.By time delay
After value is set as target default value, in current control period, terminal can be worked based on target default value.Also
It is to say, each control period, time delay value control assembly 3 can determine in current control period that corresponding adjacent channel leakage ratio is most
Low target default value, and set the time delay value of terminal works in current control period to the target present count determined
Value.
Optionally, control condition can also be previously provided in time delay value control assembly 3, wherein default control condition can
To be time delay value control assembly 3 according to adjacent channel leakage ratio, judge whether the condition for needing to adjust time delay value.It is pre- that terminal is based on target
If during numerical value is worked, i.e., in the case where time delay value is target default value, time delay value control assembly 3 can be with
The coupled signal constantly exported according to directional coupler, determines the adjacent channel leakage ratio of terminal, and constantly judge the neighboring trace determined
Whether leakage than meets default control condition, when the adjacent channel leakage ratio for detecting terminal meets default control condition, time delay value
Control assembly 3 can set gradually time delay value as multiple and different default values, and can be each present count in time delay value
When value, according to the coupled signal that directional coupler 2 exports, determines the adjacent channel leakage ratio of terminal, it is corresponding to obtain each default value
Adjacent channel leakage ratio.After obtaining the corresponding adjacent channel leakage ratio of each default value, time delay value control assembly 3 can determine corresponding
The minimum target default value of adjacent channel leakage ratio can set target for the time delay value of time delay value control assembly and preset in turn
Numerical value.After setting target default value for time delay value, terminal can be worked based on target default value.That is,
When time delay value control assembly 3 detects that the adjacent channel leakage ratio of terminal meets default control condition, that is, it can trigger time delay value control
Component 3 processed is based on the above process, redefines the numerical value of time delay value.
Optionally, it can be previously stored with leakage in time delay value control assembly 3 and compares threshold value.Meeting default control condition can be with
It is to reach default leakage to compare threshold value.Specifically, being in time delay value during terminal is worked based on target default value
In the case where target default value, the coupled signal that time delay value control assembly 3 can also be exported constantly according to directional coupler, really
Determine the adjacent channel leakage ratio of terminal, and constantly judge whether the adjacent channel leakage ratio determined has reached default leakage than threshold value, works as inspection
When measuring the adjacent channel leakage ratio of terminal and reaching default leakage than threshold value, time delay value control assembly 3 can be set gradually time delay value
For multiple and different default values, and can be when time delay value is each default value, the coupling that is exported according to directional coupler 2
Signal determines the adjacent channel leakage ratio of terminal, obtains the corresponding adjacent channel leakage ratio of each default value.Obtain each default value pair
After the adjacent channel leakage ratio answered, time delay value control assembly 3 can determine the minimum target default value of corresponding adjacent channel leakage ratio, into
And target default value can be set by the time delay value of time delay value control assembly.
Optionally, meeting default control condition can also be that adjacent channel leakage ratio starts to increase, specifically, terminal is based on target
During default value is worked, i.e., in the case where time delay value is target default value, time delay value control assembly 3 may be used also
With the coupled signal constantly exported according to directional coupler, the adjacent channel leakage ratio of terminal is determined, and constantly judge the neighbour determined
Road leak ratio size variation situation, when detect terminal adjacent channel leakage ratio increase when, time delay value control assembly 3 can by when
Prolong value to set gradually as multiple and different default values, and can be when time delay value is each default value, according to directional couple
The coupled signal that device 2 exports, determines the adjacent channel leakage ratio of terminal, obtains the corresponding adjacent channel leakage ratio of each default value.It obtains
After the corresponding adjacent channel leakage ratio of each default value, time delay value control assembly 3 can determine that corresponding adjacent channel leakage ratio is minimum
Target default value can set target default value for the time delay value of time delay value control assembly in turn.
Optionally, above-mentioned adjacent channel leakage ratio can also be working frequency and the corresponding neighbour of preset adjacency channel frequency of terminal
Road leaks ratio, correspondingly, time delay value control assembly 3, can be used for the case where setting different default values for time delay value
Under, according to the coupled signal that directional coupler 2 exports, determine working frequency and the corresponding neighbour of preset adjacency channel frequency of terminal
Road leaks ratio, obtains the corresponding adjacent channel leakage ratio of each default value.After obtaining the corresponding adjacent channel leakage ratio of each default value,
Time delay value control assembly 3 can determine the minimum default value of corresponding adjacent channel leakage ratio (being properly termed as target default value),
In turn, target default value can be set by the time delay value of time delay value control assembly.
Optionally, time delay value control assembly 3 can be also used for the signal that detection frequency is respectively the working frequency of terminal
The performance number of the signal of performance number and adjacency channel frequency, correspondingly, time delay value control assembly 3, can be used for setting by time delay value
In the case where being set to different default values, the frequency in coupled signal that detection directional coupler 2 exports is respectively terminal
The performance number of the signal of the performance number and adjacency channel frequency of the signal of working frequency.It, can be with after obtaining the performance number of above-mentioned signal
It is respectively the performance number of the performance number of the signal of working frequency and the signal of adjacency channel frequency according to frequency, determines the work of terminal
Frequency and the corresponding adjacent channel leakage ratio of adjacency channel frequency, obtain the corresponding adjacent channel leakage ratio of each default value.It obtains each pre-
If after the corresponding adjacent channel leakage ratio of numerical value, time delay value control assembly 3 can determine the minimum present count of corresponding adjacent channel leakage ratio
Value (is properly termed as target default value), in turn, can set target default value for the time delay value of time delay value control assembly.
Optionally, time delay value control assembly 3 can also include RF power sensing circuit 31 and signal processor 32, such as scheme
Shown in 2, wherein the output port of RF power sensing circuit 31 can be electrically connected with the input port of signal processor 32,
The coupled output ports of directional coupler 2 can be electrically connected with the input port of RF power sensing circuit 31, signal processing
The output port of device 32 can be electrically connected with the supply port of radio-frequency power amplifier 1.
RF power sensing circuit 31 can be used for detecting the frequency in the coupled signal of the output of directional coupler 2 for eventually
The performance number and frequency of the signal of the working frequency at end are the performance number of the signal of adjacency channel frequency.Signal processor 32, can
With the frequency for being exported according to RF power sensing circuit 31 in the case where setting different default values for time delay value
The respectively performance number of the signal of the performance number and adjacency channel frequency of the signal of working frequency determines working frequency and side channel frequency
The corresponding adjacent channel leakage ratio of rate obtains the corresponding adjacent channel leakage ratio of each default value.Wherein, adjacency channel frequency can be work
The difference and/or adjacency channel frequency of frequency and channel width be working frequency and channel width and.That is, working as side channel
Frequency be working frequency and channel width difference or adjacency channel frequency be working frequency and channel width and when, Adjacent Carrier Leakage
Than can be the difference that frequency is working frequency and channel width signal performance number and frequency be working frequency signal function
The ratio of rate value, alternatively, adjacent channel leakage ratio be frequency be working frequency and channel width and signal performance number and frequency
For the ratio of the performance number of the signal of working frequency.When the difference and side channel that adjacency channel frequency is working frequency and channel width
Frequency be working frequency and channel width and when, adjacent channel leakage ratio can be the difference that frequency is working frequency and channel width
The performance number and frequency of signal are the ratio of the performance number of the signal of working frequency, and, adjacent channel leakage ratio is that frequency is work frequency
Rate and channel width and signal performance number and frequency be working frequency signal performance number ratio, that is to say, that
In such cases, there are two adjacent channel leakage ratio for working frequency and adjacency channel frequency correspondence.In addition, when adjacency channel frequency is work frequency
The difference and adjacency channel frequency of rate and channel width be working frequency and channel width and when, adjacent channel leakage ratio can also be the
One performance number and the second performance number the sum of ratio with the performance number for the signal that frequency is working frequency, wherein the first power
Value can be the performance number of the signal for the difference that frequency is working frequency and channel width, and it is work that the second performance number, which can be frequency,
Frequency and channel width and signal performance number.
The case where there are two adjacent channel leakage ratio, signal processor 32 or time delay are corresponded to for working frequency and adjacency channel frequency
After value control assembly 3 determines the corresponding each adjacent channel leakage ratio of each default value, for each default value, this can be calculated
The sum of the corresponding each adjacent channel leakage ratio of default value can determine that corresponding adjacent channel leakage ratio and minimum target are default in turn
Numerical value, further, it is possible to set target default value for time delay value.In addition, corresponding for working frequency and adjacency channel frequency
The case where there are two adjacent channel leakage ratio, signal processor 32 or time delay value control assembly 3 determine that each default value is corresponding
After each adjacent channel leakage ratio, it is more pre- than threshold value can also to determine that corresponding each adjacent channel leakage ratio is respectively less than corresponding default leakage
If numerical value set.After determining default value set, each default value that can be calculated in default value set is corresponding each
The sum of adjacent channel leakage ratio can determine that corresponding adjacent channel leakage ratio and minimum target are default in turn in default value set
Numerical value, further, it is possible to set target default value for time delay value.
Optionally, RF power sensing circuit 31 can be also used in the coupled signal that detection directional coupler 2 exports
Frequency is the performance number of the signal of preset secondary adjacency channel frequency, wherein secondary adjacency channel frequency can be working frequency and twice
The difference of channel width and/or secondary adjacency channel frequency be working frequency with twice channel width and.
In such cases, signal processor 32 can be used for the case where setting different default values for time delay value
Under, it is respectively performance number, the adjacency channel frequency of the signal of working frequency according to the frequency that RF power sensing circuit 31 exports
The performance number of the signal of the performance number of signal and time adjacency channel frequency determines working frequency, adjacency channel frequency and secondary side channel frequency
The corresponding adjacent channel leakage ratio of rate obtains the corresponding adjacent channel leakage ratio of each default value.
When secondary adjacency channel frequency be working frequency with the difference of twice channel width and secondary adjacency channel frequency be working frequency and
Twice channel width and when, adjacent channel leakage ratio except it is above-mentioned tell about adjacency channel frequency it is corresponding with working frequency in addition to, can be with
Performance number and frequency for the signal for the difference that frequency is working frequency and twice of channel width are the power of the signal of working frequency
The ratio of value, and, adjacent channel leakage ratio be frequency be working frequency with twice channel width and signal performance number and frequency
For the ratio of the performance number of the signal of working frequency, that is to say, that in such cases, working frequency and time adjacency channel frequency are also right
It should be there are two adjacent channel leakage ratio.In addition, when time adjacency channel frequency is working frequency and the difference of twice channel width and secondary side channel
Frequency be working frequency with twice channel width and, and adjacency channel frequency is the difference of working frequency and channel width, and/or neighbour
Channel frequency be working frequency and channel width and when, adjacent channel leakage ratio can also be the first performance number and/or the second power
Value, third performance number and the 4th performance number the sum of ratio with the performance number for the signal that frequency is working frequency, wherein third
Performance number can be the performance number of the signal for the difference that frequency is working frequency and twice of channel width, and the 4th performance number can be frequency
Rate be working frequency with twice channel width and signal performance number.
For working frequency it is corresponding with time adjacency channel frequency there are two adjacent channel leakage ratio the case where, signal processor 32 or when
Prolong after value control assembly 3 determines the corresponding each adjacent channel leakage ratio of each default value, for each default value, can calculate
The sum of the corresponding each adjacent channel leakage ratio of the default value can determine that corresponding adjacent channel leakage ratio and minimum target are pre- in turn
If numerical value, further, it is possible to set target default value for time delay value.In addition, for working frequency and time adjacency channel frequency
Corresponding the case where there are two adjacent channel leakage ratio, signal processor 32 or time delay value control assembly 3 determine each default value pair
After each adjacent channel leakage ratio answered, it can also determine that corresponding each adjacent channel leakage ratio is respectively less than corresponding default leakage and compares threshold value
Default value set.After determining default value set, each default value that can be calculated in default value set is corresponding
The sum of each adjacent channel leakage ratio corresponding adjacent channel leakage ratio and minimum target can be determined in default value set in turn
Default value, further, it is possible to set target default value for time delay value.
In addition, as shown in figure 3, terminal further includes antenna 4, wherein the output port of directional coupler 2 can connect with antenna
It connects, so that antenna 4 can send base station for the output signal of radio-frequency power amplifier.
In the embodiment of the present disclosure, terminal includes radio-frequency power amplifier, directional coupler, time delay value control assembly, in which:
The input port of directional coupler and the output port of radio-frequency power amplifier are electrically connected, the coupled output of directional coupler
The output port and radio-frequency power amplifier of mouth and the electric connection of the input port of time delay value control assembly, time delay value control assembly
Supply port be electrically connected；Directional coupler obtains coupled signal for the output signal of coupled RF power amplifier；
Time delay value control assembly, for being exported according to directional coupler in the case where setting different default values for time delay value
Coupled signal, determine the adjacent channel leakage ratio of terminal, obtain the corresponding adjacent channel leakage ratio of each default value；Determine corresponding neighbour
Road is leaked than minimum target default value, sets target default value for the time delay value of time delay value control assembly, wherein when
Prolong at the time of value changes for the power of the output signal of radio-frequency power amplifier and according to variation to radio-frequency power amplifier
Supply voltage at the time of adjust accordingly between the time difference.In this way, the time delay value being finally arranged is the Adjacent Carrier Leakage of terminal
Than minimum numerical value, it is thus possible to make the Adjacent Carrier Leakage of terminal relatively low.
Those skilled in the art will readily occur to its of the disclosure after considering specification and practicing disclosure disclosed herein
Its embodiment.This application is intended to cover any variations, uses, or adaptations of the disclosure, these modifications, purposes or
Person's adaptive change follows the general principles of this disclosure and including the undocumented common knowledge in the art of the disclosure
Or conventional techniques.The description and examples are only to be considered as illustrative, and the true scope and spirit of the disclosure are by following
Claim is pointed out.
It should be understood that the present disclosure is not limited to the precise structures that have been described above and shown in the drawings, and
And various modifications and changes may be made without departing from the scope thereof.The scope of the present disclosure is only limited by the accompanying claims.
Claims (10)
1. a kind of terminal, which is characterized in that the terminal includes radio-frequency power amplifier, directional coupler, time delay value control group
Part, in which:
The input port of the directional coupler and the output port of radio-frequency power amplifier are electrically connected, the directional coupler
Coupled output ports and the time delay value control assembly input port be electrically connected, the output of the time delay value control assembly
The supply port of port and the radio-frequency power amplifier is electrically connected；
The directional coupler obtains coupled signal for coupling the output signal of the radio-frequency power amplifier；
The time delay value control assembly, in the case where setting different default values for time delay value, according to described fixed
The coupled signal exported to coupler, determines the adjacent channel leakage ratio of the terminal, obtains the corresponding neighboring trace of each default value and let out
Leakage ratio；It determines the minimum target default value of corresponding adjacent channel leakage ratio, the time delay value of the time delay value control assembly is arranged
For the target default value, wherein the time delay value is that the power of the output signal of the radio-frequency power amplifier becomes
Between at the time of being adjusted accordingly at the time of change and according to the variation to the supply voltage of the radio-frequency power amplifier
The time difference.
2. terminal according to claim 1, which is characterized in that the time delay value control assembly is used for every preset control
The time delay value is set different default values by period processed, according to the coupled signal that the directional coupler exports, determines
The adjacent channel leakage ratio of the terminal obtains the corresponding adjacent channel leakage ratio of each default value；Determine corresponding adjacent channel leakage ratio most
The time delay value of the time delay value control assembly is set the target default value by low target default value；
Alternatively, setting different default values, every preset control period, according to the orientation for the time delay value
The coupled signal of coupler output, determines the adjacent channel leakage ratio of the terminal, obtains the corresponding Adjacent Carrier Leakage of each default value
Than；It determines the minimum target default value of corresponding adjacent channel leakage ratio, sets the time delay value of the time delay value control assembly to
The target default value.
3. terminal according to claim 1, which is characterized in that the time delay value control assembly is also used in the time delay
In the case that value is the target default value, according to the coupled signal that the directional coupler exports, the terminal is determined
Adjacent channel leakage ratio；When the adjacent channel leakage ratio for detecting the terminal meets default control condition, it is set as not by time delay value
In the case where same default value, according to the coupled signal that the directional coupler exports, the Adjacent Carrier Leakage of the terminal is determined
Than, the corresponding adjacent channel leakage ratio of each default value is obtained, determines the minimum target default value of corresponding adjacent channel leakage ratio, it will
The time delay value of the time delay value control assembly is set as the target default value.
4. terminal according to claim 3, which is characterized in that the time delay value control assembly is also used in the time delay
In the case that value is the target default value, according to the coupled signal that the directional coupler exports, the terminal is determined
Adjacent channel leakage ratio；When the adjacent channel leakage ratio for detecting the terminal reaches default leakage than threshold value, it is set as by time delay value
In the case where different default values, according to the coupled signal that the directional coupler exports, determine that the neighboring trace of the terminal is let out
Ratio is leaked, the corresponding adjacent channel leakage ratio of each default value is obtained, determines the minimum target default value of corresponding adjacent channel leakage ratio,
The target default value is set by the time delay value of the time delay value control assembly.
5. terminal according to claim 3, which is characterized in that the time delay value control assembly is also used in the time delay
In the case that value is the target default value, according to the coupled signal that the directional coupler exports, the terminal is determined
Adjacent channel leakage ratio；When the adjacent channel leakage ratio for detecting the terminal increases, different default values is being set by time delay value
In the case where, according to the coupled signal that the directional coupler exports, determines the adjacent channel leakage ratio of the terminal, obtain each pre-
If the corresponding adjacent channel leakage ratio of numerical value, the minimum target default value of corresponding adjacent channel leakage ratio is determined, by the time delay value control
The time delay value of component processed is set as the target default value.
6. terminal according to claim 1, which is characterized in that the time delay value control assembly, for being set by time delay value
In the case where being set to different default values, according to the coupled signal that the directional coupler exports, the work of the terminal is determined
Working frequency and the corresponding adjacent channel leakage ratio of preset adjacency channel frequency, obtain the corresponding adjacent channel leakage ratio of each default value.
7. terminal according to claim 6, which is characterized in that the time delay value control assembly, for being set by time delay value
In the case where being set to different default values, the frequency detected in the coupled signal of the directional coupler output is respectively described
The performance number of the signal of the performance number and adjacency channel frequency of the signal of the working frequency of terminal；It is respectively the work according to frequency
The performance number of the signal of the performance number and adjacency channel frequency of the signal of frequency determines the working frequency and side channel frequency of the terminal
The corresponding adjacent channel leakage ratio of rate obtains the corresponding adjacent channel leakage ratio of each default value.
8. terminal according to claim 7, which is characterized in that the time delay value control assembly includes radio-frequency power detection electricity
Road and signal processor；
The input port of the output port of the RF power sensing circuit and the signal processor is electrically connected, the orientation
The input port of the coupled output ports of coupler and the RF power sensing circuit is electrically connected, the signal processor
The supply port of output port and the radio-frequency power amplifier is electrically connected；
The RF power sensing circuit, the frequency in coupled signal for detecting the directional coupler output is respectively institute
State the performance number of the performance number of the signal of the working frequency of terminal and the signal of adjacency channel frequency；
The signal processor, in the case where setting different default values for time delay value, according to the radio frequency function
The frequency of rate detection circuit output is respectively the power of the performance number of the signal of the working frequency and the signal of adjacency channel frequency
Value, determines the working frequency and the corresponding adjacent channel leakage ratio of the adjacency channel frequency, obtains the corresponding neighbour of each default value
Road leaks ratio.
9. terminal according to claim 7 or 8, which is characterized in that the adjacency channel frequency is the working frequency and letter
The difference of road bandwidth and/or the adjacency channel frequency be the working frequency and channel width and, the adjacent channel leakage ratio is frequently
Rate is the ratio of the performance number and the performance number for the signal that frequency is the working frequency of the signal of adjacency channel frequency.
10. terminal according to claim 8, which is characterized in that the RF power sensing circuit is also used to detect described
Frequency in the coupled signal of directional coupler output is the performance number of the signal of preset secondary adjacency channel frequency；
The signal processor, for being penetrated according to described in the case where setting different default values for the time delay value
The frequency of frequency power-sensing circuit output be respectively the performance number of signal of the working frequency, adjacency channel frequency signal function
The performance number of the signal of rate value and time adjacency channel frequency determines the working frequency, the adjacency channel frequency and described adjacent letter
Frequency corresponding adjacent channel leakage ratio in road obtains the corresponding adjacent channel leakage ratio of each default value；
Wherein, the secondary adjacency channel frequency is working frequency and the difference of twice channel width and the secondary adjacency channel frequency are institute
State working frequency and twice channel width and, the adjacency channel frequency for the working frequency and channel width difference and institute
State adjacency channel frequency be the working frequency and channel width and, the adjacent channel leakage ratio is the first performance number and/or second
Performance number, third performance number and the 4th performance number the sum of ratio with the performance number for the signal that frequency is the working frequency；
First performance number is the performance number of the signal for the difference that frequency is the working frequency and channel width, second function
Rate value be frequency be the working frequency and channel width and signal performance number, the third performance number is frequency for institute
The performance number of the signal of the difference of working frequency and twice of channel width is stated, the 4th performance number is that frequency is the working frequency
With twice channel width and signal performance number.
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