CN106788500A - A kind of terminal - Google Patents
A kind of terminal Download PDFInfo
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- CN106788500A CN106788500A CN201710017875.6A CN201710017875A CN106788500A CN 106788500 A CN106788500 A CN 106788500A CN 201710017875 A CN201710017875 A CN 201710017875A CN 106788500 A CN106788500 A CN 106788500A
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- time delay
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- delay value
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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 terminal, belong to communication technical field.Terminal includes radio-frequency power amplifier, directional coupler, time delay value control assembly, wherein：The input port of directional coupler is electrically connected with the output port of radio-frequency power amplifier, and the coupled output ports of directional coupler are electrically connected with the supply port of the input port electric connection, the output port of time delay value control assembly and radio-frequency power amplifier of time delay value control assembly；Directional coupler, for the output signal of coupled RF power amplifier, obtains coupled signal；Time delay value control assembly, in the case where time delay value is set into different default values, according to coupled signal, determining the ACLR of terminal, obtains the corresponding ACLR of each default value；Determine the minimum target default value of corresponding ACLR, the time delay value of time delay value control assembly is set to target default value.Using the disclosure, can cause that the ACLR of terminal is relatively low.
Description
Technical field
The disclosure is directed to communication technical field, especially with respect to a kind of terminal.
Background technology
In a communications system, the terminal such as mobile phone all can to that should have working frequency (being such as fc), wherein, working frequency can be with
The corresponding frequency of working channel during data that to be mobile phone transmit with base station, however, the RF emission system in the terminal such as mobile phone exists
The frequency that frequency is adjacent channel is often produced in the course of work, and (when channel width is 5 megahertzs, the frequency of adjacent channel is
Be fc+5) garbage signal, the garbage signal i.e. can to working channel for adjacent channel terminal produce interference, this can be showed
As being referred to as Adjacent Carrier Leakage, the annoyance level of the terminal-pair other-end can be weighed by ACLR, wherein, neighboring trace is let out
Leakage is the power of the garbage signal of the frequency of adjacent channel and the ratio of the power of useful signal than the frequency produced for the terminal.
To improve terminal capabilities, after the power of the output signal of radio-frequency power amplifier changes, often postpone one
Timing is long (duration can be referred to as into 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, therefore, it is that the terminal suitable time delay value of setting is particularly important.At present, technical staff is often
One time delay value is set to each terminal according to experience.
During the disclosure is realized, inventor has found at least there is problems with：
The time delay value that technical staff is set according to experience, it is corresponding when not necessarily the terminal capabilities is optimal
Time delay value, namely terminal, when being operated based on the time delay value, the performance of the terminal may not be optimal, so that, cause
The Adjacent Carrier Leakage of terminal is higher.
The content of the invention
For the problem for overcoming the Adjacent Carrier Leakage of terminal present in correlation technique higher, present disclose provides a kind of whole
End.The technical scheme is as follows：
A kind of terminal is provided, the terminal includes radio-frequency power amplifier, directional coupler, time delay value control assembly, its
In：
The input port of the directional coupler is electrically connected with the output port of radio-frequency power amplifier, the orientation coupling
The input port of the coupled output ports of clutch and the time delay value control assembly is electrically connected with, the time delay value control assembly
Output port is electrically connected with the supply port of the radio-frequency power amplifier；
The directional coupler, the output signal for coupling the radio-frequency power amplifier, obtains coupled signal；
The time delay value control assembly, in the case where time delay value is set into different default values, according to institute
The coupled signal of directional coupler output is stated, the ACLR of the terminal is determined, the corresponding neighbour of each default value is obtained
Road leakage ratio；The minimum target default value of corresponding ACLR is determined, by the time delay value of the time delay value control assembly
The target default value is set to, wherein, the time delay value is the power hair of the output signal of the radio-frequency power amplifier
The moment of changing and the moment adjusted accordingly to the supply voltage of the radio-frequency power amplifier according to the change it
Between the time difference.
Optionally, the time delay value control assembly, for every default controlling cycle, difference is being set to by time delay value
Default value in the case of, according to the directional coupler export coupled signal, determine the ACLR of the terminal,
Obtain the corresponding ACLR of each default value；The minimum target default value of corresponding ACLR is determined, by institute
The time delay value for stating time delay value control assembly is set to the target default value.
So, the time delay value that can prevent actual temperature change when causing to make terminal reach best performance becomes
During change, time delay value during terminal real work is constant, it is thus possible to ensure that the ACLR of terminal remains minimum.
Optionally, the time delay value control assembly, is additionally operable in the situation that the time delay value is the target default value
Under, according to the coupled signal that the directional coupler is exported, determine the ACLR of the terminal；When detecting the terminal
ACLR when meeting default control condition, in the case where time delay value is set into different default values, according to institute
The coupled signal of directional coupler output is stated, the ACLR of the terminal is determined, the corresponding neighbour of each default value is obtained
Road leakage ratio, determines the minimum target default value of corresponding ACLR, by the time delay value of the time delay value control assembly
It is set to the target default value.
So, the time delay value that can prevent actual temperature change when causing to make terminal reach best performance becomes
During change, time delay value during terminal real work is constant, it is thus possible to ensure that the ACLR of terminal remains minimum.
Optionally, the time delay value control assembly, is additionally operable in the situation that the time delay value is the target default value
Under, according to the coupled signal that the directional coupler is exported, determine the ACLR of the terminal；When detecting the terminal
ACLR when reaching default leakage than threshold value, in the case where time delay value is set into different default values, according to
The coupled signal of the directional coupler output, determines the ACLR of the terminal, obtains each default value corresponding
ACLR, determines the minimum target default value of corresponding ACLR, by the time delay of the time delay value control assembly
Value is set to the target default value.
Optionally, the time delay value control assembly, is additionally operable in the situation that the time delay value is the target default value
Under, according to the coupled signal that the directional coupler is exported, determine the ACLR of the terminal；When detecting the terminal
ACLR increase when, in the case where time delay value is set into different default values, according to the directional coupler
The coupled signal of output, determines the ACLR of the terminal, obtains the corresponding ACLR of each default value, it is determined that
The minimum target default value of corresponding ACLR, the target is set to by the time delay value of the time delay value control assembly
Default value.
Optionally, the time delay value control assembly, in the case where time delay value is set into different default values,
According to the coupled signal that the directional coupler is exported, determine that the working frequency of the terminal is corresponding with default adjacency channel frequency
ACLR, obtain the corresponding ACLR of each default value.
Optionally, the time delay value control assembly, in the case where time delay value is set into different default values,
Detect that the frequency in the coupled signal of the directional coupler output is respectively the power of the signal of the working frequency of the terminal
The performance number of the signal of value and adjacency channel frequency；The performance number and side channel of the signal of the working frequency are respectively according to frequency
The performance number of the signal of frequency, determines the corresponding ACLR of working frequency and adjacency channel frequency of the terminal, obtains every
The corresponding ACLR of individual default value.
Optionally, the time delay value control assembly includes RF power sensing circuit and signal processor；
The output port of the RF power sensing circuit is electrically connected with the input port of the signal processor, described
The coupled output ports of directional coupler are electrically connected with the input port of the RF power sensing circuit, the signal transacting
The output port of device is electrically connected with the supply port of the radio-frequency power amplifier；
The RF power sensing circuit, for the frequency difference in the coupled signal for detecting the directional coupler output
It is 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, in the case where time delay value is set into different default values, being penetrated according to described
The frequency of frequency power-sensing circuit output is respectively the performance number and the signal of adjacency channel frequency of the signal of the working frequency
Performance number, determines the working frequency and the corresponding ACLR of the adjacency channel frequency, obtains each default value correspondence
ACLR.
Optionally, the adjacency channel frequency is the difference of the working frequency and channel width, and/or the adjacency channel frequency
For the working frequency and channel width and, the ACLR be frequency for the performance number of the signal of adjacency channel frequency and
Frequency is the ratio of the performance number of the signal of the working frequency.
Optionally, the RF power sensing circuit, is additionally operable in the coupled signal for detect the directional coupler output
Frequency be the default performance number of the signal of adjacency channel frequency；
The signal processor, in the case where time delay value is set into different default values, being penetrated according to described
The frequency of frequency power-sensing circuit output is respectively performance number, the work(of the signal of adjacency channel frequency of the signal of the working frequency
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
The corresponding ACLR of road frequency, obtains the corresponding ACLR of each default value.
So, it can also be ensured that the frequency that terminal is produced is that the power of the signal of time adjacency channel frequency is less, it is thus possible to
So that terminal-pair working frequency be time adjacency channel frequency interference it is smaller.
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, wherein：
The input port of directional coupler is electrically connected with the output port of radio-frequency power amplifier, the coupled output of directional coupler
Mouth is electrically connected with the input port of time delay value control assembly, the output port and radio-frequency power amplifier of time delay value control assembly
Supply port be electrically connected with；Directional coupler, for the output signal of coupled RF power amplifier, obtains coupled signal；
Time delay value control assembly, in the case where time delay value is set into different default values, being exported according to directional coupler
Coupled signal, determine the ACLR of terminal, obtain the corresponding ACLR of each default value；Determine corresponding neighbour
Road is leaked than minimum target default value, and the time delay value of time delay value control assembly is set into target default value, wherein, when
Prolong moment for changing of power of the output signal that value is radio-frequency power amplifier with according to change to radio-frequency power amplifier
Moment for adjusting accordingly of supply voltage between the time difference.So, the time delay value of final setting is the Adjacent Carrier Leakage of terminal
Than minimum numerical value, it is thus possible to so that the ACLR of terminal is relatively low.
It should be appreciated that the general description of the above and detailed description hereinafter are only exemplary and explanatory, not
The disclosure can be limited.
Brief description of the drawings
Accompanying drawing herein is merged in specification and constitutes the part of this specification, shows the implementation for meeting the disclosure
Example, and it is used to explain the principle of the disclosure together with specification.In the accompanying drawings：
Fig. 1 is a kind of terminal structure schematic diagram according to an exemplary embodiment；
Fig. 2 is a kind of terminal structure schematic diagram according to an exemplary embodiment；
Fig. 3 is a kind of terminal structure schematic diagram according to an exemplary embodiment.
By above-mentioned accompanying drawing, it has been shown that the clear and definite embodiment of the disclosure, will hereinafter be described in more detail.These accompanying drawings
It is not intended to limit the scope that the disclosure is conceived by any mode with word description, but is by reference to specific embodiment
Those skilled in the art illustrate the concept of the disclosure.
Marginal data
1st, radio-frequency power amplifier 2, directional coupler
3rd, time delay value control assembly 4, antenna
31st, RF power sensing circuit 32, signal processor
Specific embodiment
Here exemplary embodiment will be illustrated in detail, its example is illustrated in the accompanying drawings.Following description is related to
During accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawings represent same or analogous key element.Following exemplary embodiment
Described in implementation method do not represent all implementation methods consistent with the disclosure.Conversely, they be only with it is such as appended
The consistent example of some aspects 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, wherein：The input port of directional coupler 2 is electric with the output port of radio-frequency power amplifier 1
Property connection, the coupled output ports of directional coupler 2 are electrically connected with the input port of time delay value control assembly 3, time delay value control
The output port of component processed 3 is electrically connected with the supply port of radio-frequency power amplifier 1；Directional coupler 2, for coupled RF
The output signal of power amplifier, obtains coupled signal；Time delay value control assembly 3, for time delay value is set to it is different
In the case of default value, according to the coupled signal that directional coupler 2 is exported, the ACLR of terminal is determined, obtain each
The corresponding ACLR of default value；The minimum target default value of corresponding ACLR is determined, by time delay value control
The time delay value of component is set to target default value, wherein, time delay value is the power hair of the output signal of radio-frequency power amplifier
Between the moment of changing and the moment adjusted accordingly to the supply voltage of radio-frequency power amplifier 1 according to the change when
Difference.
In force, terminal can include radio-frequency power amplifier 1, directional coupler 2 and time delay value control assembly 3, its
In, radio-frequency power amplifier 1 can be used for strengthening the power of input signal so that the work(of the radiofrequency signal that terminal sends 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
The change time delay certain time length of the output signal according to radio-frequency power amplifier 1 is entered to the supply voltage of radio-frequency power amplifier 1
The corresponding adjustment of row, the output port of time delay value control assembly 3 can be by the power supply of power supply and radio-frequency power amplifier 1
Port is electrically connected with.
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, it is possible to which the coupled signal that will be obtained is defeated
Go 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, you can for
The numerical value of time delay value is set.That is, multiple different default values can be previously stored with time delay value control assembly 3,
Wherein, multiple different default values can be the numerical value in the range of certain predetermined, the preset range can with technical staff according to
What empirical value was set, when the preset range can be that the performance of terminal is optimal, the time delay value of time delay value control assembly 3 may
Scope where corresponding numerical value.It is multiple different default values that time delay value control assembly 3 can set gradually time delay value.
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, it is determined that
The ACLR of terminal, obtains the corresponding ACLR 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 ACLR (is properly termed as target pre-
If numerical value), and then, the time delay value of time delay value control assembly can be set to target default value, wherein, ACLR can
For characterizing the influence size of the terminal that the terminal-pair working frequency is adjacency channel frequency.Time delay value is set into target to preset
After numerical value, terminal can be operated based on target default value.
Optionally, controlling cycle can also be previously stored with time delay value control assembly 3, wherein, the size of controlling cycle
Can be pre-set by technical staff.During every default controlling cycle, time delay value control assembly 3 can successively set time delay value
Multiple different default values are set to, it is possible to when time delay value is each default value, according to the coupling that directional coupler 2 is exported
Signal is closed, the ACLR of terminal is determined, the corresponding ACLR of each default value is obtained.Obtain each default value
After corresponding ACLR, time delay value control assembly 3 can determine that the minimum default value of corresponding ACLR (can be with
Referred to as target default value), and then, the time delay value of time delay value control assembly can be set to target default value.By time delay
After value is set to target default value, in current control period, terminal can be operated based on target default value.Also
It is to say, each controlling cycle, time delay value control assembly 3 can be determined in current control period, corresponding ACLR is most
Low target default value, and the target present count that the time delay value of terminal works in current control period is set to determine
Value.
Optionally, control condition can also be previously provided with time delay value control assembly 3, wherein, default control condition can
To be time delay value control assembly 3 according to ACLR, 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 operated, 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 for constantly being exported according to directional coupler, determines the ACLR of terminal, and constantly judge the neighboring trace determined
Whether leakage than meets default control condition, when the ACLR for detecting terminal meets default control condition, time delay value
It is multiple different default values that control assembly 3 can set gradually time delay value, it is possible in time delay value be each present count
During value, according to the coupled signal that directional coupler 2 is exported, the ACLR of terminal is determined, obtain each default value correspondence
ACLR.After obtaining the corresponding ACLR of each default value, time delay value control assembly 3 can determine corresponding
The minimum target default value of ACLR, and then, the time delay value of time delay value control assembly can be set to target and preset
Numerical value.After time delay value is set into target default value, terminal can be operated based on target default value.That is,
When the ACLR that time delay value control assembly 3 detects terminal meets default control condition, you can triggering time delay value control
Component processed 3 is based on said process, redefines the numerical value of time delay value.
Optionally, leakage can be previously stored with 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, during terminal is operated based on target default value, i.e., being in time delay value
In the case of target default value, time delay value control assembly 3 can also be without the coupled signal exported according to directional coupler of being completely cured, really
Determine the ACLR of terminal, and constantly judge whether the ACLR determined has reached default leakage than threshold value, work as inspection
When the ACLR for measuring terminal reaches default leakage than threshold value, time delay value control assembly 3 can set gradually time delay value
It is multiple different default values, it is possible to when time delay value is each default value, according to the coupling that directional coupler 2 is exported
Signal, determines the ACLR of terminal, obtains the corresponding ACLR of each default value.Obtain each default value pair
After the ACLR answered, time delay value control assembly 3 can determine the minimum target default value of corresponding ACLR, enter
And, the time delay value of time delay value control assembly can be set to target default value.
Optionally, meet default control condition and can also be that ACLR starts increase, specifically, terminal is based on target
During default value is operated, 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 for constantly being exported according to directional coupler, the ACLR of terminal is determined, and constantly judge the neighbour for determining
Road leak ratio size variation situation, when detect terminal ACLR increase when, time delay value control assembly 3 can by when
Prolong value to set gradually is multiple different default values, it is possible to when time delay value is each default value, according to directional couple
The coupled signal of the output of device 2, determines the ACLR of terminal, obtains the corresponding ACLR of each default value.Obtain
After the corresponding ACLR of each default value, time delay value control assembly 3 can determine that corresponding ACLR is minimum
Target default value, and then, the time delay value of time delay value control assembly can be set to target default value.
Optionally, above-mentioned ACLR can also be working frequency and the corresponding neighbour of default adjacency channel frequency of terminal
Road leakage ratio, accordingly, time delay value control assembly 3 can be used for time delay value is being set to the situation of different default values
Under, according to the coupled signal that directional coupler 2 is exported, determine working frequency and the corresponding neighbour of default adjacency channel frequency of terminal
Road leakage ratio, obtains the corresponding ACLR of each default value.After obtaining the corresponding ACLR of each default value,
Time delay value control assembly 3 can determine the minimum default value of corresponding ACLR (being properly termed as target default value),
And then, the time delay value of time delay value control assembly can be set to target default value.
Optionally, time delay value control assembly 3 can be also used for detecting the frequency respectively signal of the working frequency of terminal
The performance number of the signal of performance number and adjacency channel frequency, accordingly, time delay value control assembly 3 can be used for being set by time delay value
In the case of being set to different default values, the frequency in the coupled signal of the detection output of directional coupler 2 is respectively terminal
The performance number of the performance number of the signal of working frequency and the signal of adjacency channel frequency.After obtaining the performance number of above-mentioned signal, can be with
The performance number of the performance number of the signal of working frequency and the signal of adjacency channel frequency is respectively according to frequency, the work of terminal is determined
Frequency and the corresponding ACLR of adjacency channel frequency, obtain the corresponding ACLR of each default value.Obtain each pre-
If after the corresponding ACLR of numerical value, time delay value control assembly 3 can determine the minimum present count of corresponding ACLR
Value (is properly termed as target default value), and then, the time delay value of time delay value control assembly can be set to target default value.
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 transacting
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 of the signal of the working frequency at end, and frequency is the performance number of the signal of adjacency channel frequency.Signal processor 32, can
For in the case where time delay value is set into different default values, according to the frequency that RF power sensing circuit 31 is exported
Respectively the performance number of the signal of the performance number of the signal of working frequency and adjacency channel frequency, determines working frequency and side channel frequently
The corresponding ACLR of rate, obtains the corresponding ACLR of each default value.Wherein, adjacency channel frequency can be work
The difference of frequency and channel width, and/or adjacency channel frequency be working frequency with channel width and.That is, working as side channel
Frequency is the difference of working frequency and channel width, or adjacency channel frequency be working frequency with channel width and when, Adjacent Carrier Leakage
Than that can be that frequency is working frequency and the performance number of the signal of the difference of channel width and the work(of the signal that frequency is working frequency
The ratio of rate value, or, ACLR be frequency be working frequency and channel width and signal performance number and frequency
It is the ratio of the performance number of the signal of working frequency.When the difference that adjacency channel frequency is working frequency and channel width, and side channel
Frequency be working frequency and channel width and when, ACLR can be that frequency is working frequency and the difference of channel width
The performance number of signal is the ratio of the performance number of the signal of working frequency with frequency, and, ACLR be frequency be work frequently
Rate and channel width and signal performance number and frequency be the ratio of the performance number of the signal of working frequency, that is to say, that
In such cases, working frequency and adjacency channel frequency are to that should have two ACLRs.In addition, when adjacency channel frequency be work frequently
The difference of rate and channel width, and adjacency channel frequency be working frequency with channel width and when, ACLR can also be the
The sum of one performance number and the second performance number is the ratio of the performance number of the signal of working frequency with frequency, wherein, the first power
Value can be that frequency is working frequency and the performance number of the signal of the difference of channel width, and the second performance number can be that frequency is work
Frequency and channel width and signal performance number.
For working frequency and adjacency channel frequency to that should have two situations of ACLR, signal processor 32 or time delay
After value control assembly 3 determines the corresponding each ACLR of each default value, for each default value, this can be calculated
The sum of the corresponding each ACLR of default value, and then, it may be determined that corresponding ACLR and minimum target are default
Numerical value, further, it is possible to time delay value is set into target default value.In addition, corresponding with adjacency channel frequency for working frequency
There are two situations of ACLR, signal processor 32 or time delay value control assembly 3 determine that each default value is corresponding
After each ACLR, can also determine that corresponding each ACLR is respectively less than corresponding default leakage more pre- than threshold value
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 ACLR, and then, can determine that corresponding ACLR and minimum target are default in default value set
Numerical value, further, it is possible to time delay value is set into target default value.
Optionally, RF power sensing circuit 31, can be also used for detect directional coupler 2 output coupled signal in
Frequency is the default performance number of the signal of 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 and twice channel width and.
In such cases, signal processor 32, can be used for time delay value is being set to the situation of different default values
Under, the frequency exported according to RF power sensing circuit 31 is respectively the performance number of signal of working frequency, adjacency channel frequency
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 frequently
The corresponding ACLR of rate, obtains the corresponding ACLR of each default value.
When the difference that secondary adjacency channel frequency is working frequency and twice channel width, and secondary adjacency channel frequency be working frequency with
Twice channel width and when, ACLR except it is above-mentioned tell about adjacency channel frequency it is corresponding with working frequency in addition to, can be with
For frequency is working frequency and the performance number of the signal of the difference of twice channel width and the power of the signal that frequency is working frequency
The ratio of value, and, ACLR be frequency be working frequency and twice channel width and signal performance number and frequency
It is 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
There should be two ACLRs.In addition, when the difference that time adjacency channel frequency is working frequency and twice channel width, and secondary side channel
Frequency be working frequency and 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, ACLR can also be the first performance number and/or the second power
The sum and frequency of value, the 3rd performance number and the 4th performance number are the ratio of the performance number of the signal of working frequency, wherein, the 3rd
Performance number can be that frequency is working frequency and the performance number of the signal of the difference of twice channel width, and the 4th performance number can be frequency
Rate be working frequency and twice channel width and signal performance number.
For working frequency and time adjacency channel frequency to that should have two situations of ACLR, signal processor 32 or when
Prolong after value control assembly 3 determines the corresponding each ACLR of each default value, for each default value, can calculate
The sum of the corresponding each ACLR of the default value, and then, it may be determined that corresponding ACLR and minimum target are pre-
If numerical value, further, it is possible to time delay value is set into target default value.In addition, for working frequency and time adjacency channel frequency
To that should have two situations of ACLR, signal processor 32 or time delay value control assembly 3 determine each default value pair
After each ACLR answered, can also determine that corresponding each ACLR is respectively less than corresponding default leakage and compares threshold value
Default value set.After determining default value set, each default value correspondence in default value set can be calculated
Each ACLR sum, and then, corresponding ACLR and minimum target can be determined in default value set
Default value, further, it is possible to time delay value is set into target default value.
In addition, as shown in figure 3, terminal also include antenna 4, wherein, the output port of directional coupler 2 can connect with antenna
Connect, so that the output signal of radio-frequency power amplifier can be sent to base station by antenna 4.
In the embodiment of the present disclosure, terminal includes radio-frequency power amplifier, directional coupler, time delay value control assembly, wherein：
The input port of directional coupler is electrically connected with the output port of radio-frequency power amplifier, the coupled output of directional coupler
Mouth is electrically connected with the input port of time delay value control assembly, the output port and radio-frequency power amplifier of time delay value control assembly
Supply port be electrically connected with；Directional coupler, for the output signal of coupled RF power amplifier, obtains coupled signal；
Time delay value control assembly, in the case where time delay value is set into different default values, being exported according to directional coupler
Coupled signal, determine the ACLR of terminal, obtain the corresponding ACLR of each default value；Determine corresponding neighbour
Road is leaked than minimum target default value, and the time delay value of time delay value control assembly is set into target default value, wherein, when
Prolong moment for changing of power of the output signal that value is radio-frequency power amplifier with according to change to radio-frequency power amplifier
Moment for adjusting accordingly of supply voltage between the time difference.So, the time delay value of final setting is the Adjacent Carrier Leakage of terminal
Than minimum numerical value, it is thus possible to so that the ACLR of terminal is relatively low.
Those skilled in the art will readily occur to its of the disclosure after considering specification and putting into practice disclosure disclosed herein
Its embodiment.The application is intended to any modification, purposes or the adaptations of the disclosure, these modifications, purposes or
Person's adaptations follow the general principle of the disclosure and including the undocumented common knowledge in the art of the disclosure
Or conventional techniques.Description and embodiments are considered only as exemplary, and the true scope of the disclosure and spirit are by following
Claim is pointed out.
It should be appreciated that the disclosure is not limited to the precision architecture for being described above and being shown in the drawings, and
And can without departing from the scope carry out various modifications and changes.The scope of the present disclosure is only limited by appended claim.
Claims (10)
1. a kind of terminal, it is characterised in that the terminal includes radio-frequency power amplifier, directional coupler, time delay value control group
Part, wherein：
The input port of the directional coupler is electrically connected with the output port of radio-frequency power amplifier, the directional coupler
The input port of coupled output ports and the time delay value control assembly be electrically connected with, the output of the time delay value control assembly
Port is electrically connected with the supply port of the radio-frequency power amplifier；
The directional coupler, the output signal for coupling the radio-frequency power amplifier, obtains coupled signal；
The time delay value control assembly, in the case where time delay value is set into different default values, according to described fixed
To the coupled signal that coupler is exported, the ACLR of the terminal is determined, obtain the corresponding neighboring trace of each default value and let out
Leakage ratio；Determine the minimum target default value of corresponding ACLR, the time delay value of the time delay value control assembly is set
It is 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 the moment of change and the moment adjusted accordingly to the supply voltage of the radio-frequency power amplifier according to the change
The time difference.
2. terminal according to claim 1, it is characterised in that the time delay value control assembly, for every default control
Cycle processed, in the case where time delay value is set into different default values, according to the coupling letter that the directional coupler is exported
Number, determine the ACLR of the terminal, obtain the corresponding ACLR of each default value；Determine that corresponding neighboring trace is let out
The time delay value of the time delay value control assembly is set to the target default value by leakage than minimum target default value.
3. terminal according to claim 1, it is characterised in that the time delay value control assembly, is additionally operable in the time delay
In the case of being worth for the target default value, according to the coupled signal that the directional coupler is exported, the terminal is determined
ACLR；When the ACLR for detecting the terminal meets default control condition, it is set to not by time delay value
In the case of same default value, according to the coupled signal that the directional coupler is exported, the Adjacent Carrier Leakage of the terminal is determined
Than, the corresponding ACLR of each default value is obtained, determine the minimum target default value of corresponding ACLR, will
The time delay value of the time delay value control assembly is set to the target default value.
4. terminal according to claim 3, it is characterised in that the time delay value control assembly, is additionally operable in the time delay
In the case of being worth for the target default value, according to the coupled signal that the directional coupler is exported, the terminal is determined
ACLR；When the ACLR for detecting the terminal reaches default leakage than threshold value, it is set to by time delay value
In the case of different default values, according to the coupled signal that the directional coupler is exported, determine that the neighboring trace of the terminal is let out
Leakage ratio, obtains the corresponding ACLR of each default value, determines the minimum target default value of corresponding ACLR,
The time delay value of the time delay value control assembly is set to the target default value.
5. terminal according to claim 3, it is characterised in that the time delay value control assembly, is additionally operable in the time delay
In the case of being worth for the target default value, according to the coupled signal that the directional coupler is exported, the terminal is determined
ACLR；When the ACLR for detecting the terminal increases, time delay value is being set to different default values
In the case of, according to the coupled signal that the directional coupler is exported, determine the ACLR of the terminal, obtain each pre-
If the corresponding ACLR of numerical value, the minimum target default value of corresponding ACLR is determined, by the time delay value control
The time delay value of component processed is set to the target default value.
6. terminal according to claim 1, it is characterised in that the time delay value control assembly, for being set by time delay value
In the case of being set to different default values, according to the coupled signal that the directional coupler is exported, the work of the terminal is determined
Working frequency and the corresponding ACLR of default adjacency channel frequency, obtain the corresponding ACLR of each default value.
7. terminal according to claim 6, it is characterised in that the time delay value control assembly, for being set by time delay value
In the case of being set to different default values, detect that the frequency in the coupled signal of the directional coupler output is respectively described
The performance number of the performance number of the signal of the working frequency of terminal and the signal of adjacency channel frequency；The work is respectively according to frequency
The performance number of the performance number of the signal of frequency and the signal of adjacency channel frequency, determines the working frequency and side channel of the terminal frequently
The corresponding ACLR of rate, obtains the corresponding ACLR of each default value.
8. terminal according to claim 7, it is characterised in that the time delay value control assembly includes that radio-frequency power detects electricity
Road and signal processor；
The output port of the RF power sensing circuit is electrically connected with the input port of the signal processor, the orientation
The coupled output ports of coupler are electrically connected with the input port of the RF power sensing circuit, the signal processor
Output port is electrically connected with the supply port of the radio-frequency power amplifier；
The RF power sensing circuit, for the frequency respectively institute in the coupled signal for detecting the directional coupler output
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 time delay value is set into different default values, according to the radio frequency work(
The frequency of rate detection circuit output is respectively the power of the signal of the performance number and adjacency channel frequency of the signal of the working frequency
Value, determines the working frequency and the corresponding ACLR of the adjacency channel frequency, obtains the corresponding neighbour of each default value
Road leakage ratio.
9. the terminal according to claim 7 or 8, it is characterised 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 with channel width and, the ACLR is for frequently
Rate is the performance number of the signal of adjacency channel frequency and the ratio of the performance number of the signal that frequency is the working frequency.
10. terminal according to claim 8, it is characterised in that the RF power sensing circuit, is additionally operable to detection described
Frequency in the coupled signal of directional coupler output is the default performance number of the signal of adjacency channel frequency；
The signal processor, in the case where time delay value is set into different default values, according to the radio frequency work(
The frequency of rate detection circuit output is respectively performance number, the performance number of the signal of adjacency channel frequency of the signal of the working frequency
With the performance number of the signal of secondary adjacency channel frequency, the working frequency, the adjacency channel frequency and described side channel are determined frequently
The corresponding ACLR of rate, obtains the corresponding ACLR of each default value.
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| CN201710017875.6A CN106788500B (en) | 2017-01-11 | 2017-01-11 | A kind of terminal |
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| CN201710017875.6A CN106788500B (en) | 2017-01-11 | 2017-01-11 | A kind of terminal |
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| CN106788500B CN106788500B (en) | 2019-04-12 |
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Cited By (1)
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| CN111490833A (en) * | 2020-04-23 | 2020-08-04 | 北京字节跳动网络技术有限公司 | Method, device, system and medium for adjusting transmitting signal of antenna |
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| CN106788500B (en) | 2019-04-12 |
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