CN105337631B - A kind of aerial matching method, device, system and mobile terminal - Google Patents
A kind of aerial matching method, device, system and mobile terminal Download PDFInfo
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- CN105337631B CN105337631B CN201510613358.6A CN201510613358A CN105337631B CN 105337631 B CN105337631 B CN 105337631B CN 201510613358 A CN201510613358 A CN 201510613358A CN 105337631 B CN105337631 B CN 105337631B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
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Abstract
An embodiment of the present invention provides a kind of aerial matching method, device, system and mobile terminals, are related to wireless communication technology field, to realize the optimization matching of the antenna under different frequency range, improve antenna performance.The aerial matching method includes whether detection transmission power is less than or equal to predetermined power；If detecting, transmission power is less than or equal to predetermined power, and the Circuit Matching parameter of adjustable match circuit is obtained according to scene information and present operating frequency；If detecting, transmission power is more than predetermined power, and the Circuit Matching parameter of the adjustable match circuit is obtained according to the present operating frequency.The present invention is applied in mobile terminal.
Description
Technical field
The present invention relates to wireless communication technology field more particularly to a kind of aerial matching method, device, system and movements eventually
End.
Background technology
Antenna-matching circuit is a kind of by carrying out impedance matching to antenna, to ensure that the energy that antenna receives can be most
The circuit for being transferred to rear stage and being handled of limits.If the bad i.e. mismatch of the matching effect of antenna-matching circuit and antenna,
So in transmitting terminal, transmitter will be reflected back toward by sending the signal of antenna to, in receiving terminal, as mismatch causes signal
It receives bad, weakens the receptivity of antenna, therefore, in the terminal, antenna-matching circuit plays vital work
With.
And as the development of mobile radio network technology, mobile phone need the network frequency range supported more and more, it is needed from the past
2~3 network frequency ranges are supported to need 4~5 network frequency ranges of support till now.But the antenna in prior art
It is fixed with circuit, then the Circuit Matching parameter of the antenna-matching circuit is fixed, therefore, can only be carried out to certain frequency ranges
The matching of optimization will compromise for the matching performance of other frequency ranges, reduce antenna performance.
Invention content
A kind of aerial matching method of the embodiment of the present invention offer, device, system and mobile terminal, to realize in difference
The optimization matching of antenna under frequency range improves antenna performance.
In order to achieve the above objectives, the embodiment of the present invention adopts the following technical scheme that：
In a first aspect, an embodiment of the present invention provides a kind of aerial matching methods, including：
Detect whether transmission power is less than or equal to predetermined power；
If detecting, transmission power is less than or equal to predetermined power, can according to scene information and present operating frequency acquisition
Adjust the Circuit Matching parameter of match circuit；
If detecting, transmission power is more than predetermined power, and the adjustable matching electricity is obtained according to the present operating frequency
The Circuit Matching parameter on road.
Second aspect, an embodiment of the present invention provides a kind of antenna matching units, which is characterized in that including：
Detection unit, for detecting whether transmission power is less than or equal to predetermined power；
Acquiring unit, if detecting that transmission power is less than or equal to predetermined power for the detection unit, according to field
Scape information and present operating frequency obtain the Circuit Matching parameter of adjustable match circuit；
The acquiring unit, if being additionally operable to the detection unit detects that transmission power is more than predetermined power, according to institute
State the Circuit Matching parameter that present operating frequency obtains the adjustable match circuit.
The third aspect, an embodiment of the present invention provides a kind of antenna matching systems, which is characterized in that including：Adjustable matching
Antenna matching unit described in circuit, sensor and second aspect；
The antenna matching unit is connect with the sensor, the adjustable match circuit respectively, the antenna match dress
It sets for executing the aerial matching method described in first aspect, the adjustable match circuit is for receiving the antenna matching unit
The Circuit Matching parameter of transmission, and matching tuning is carried out according to the Circuit Matching parameter.
Fourth aspect, an embodiment of the present invention provides a kind of mobile terminal, the mobile terminal includes described in the third aspect
Antenna matching system.
An embodiment of the present invention provides a kind of aerial matching method, device, system and mobile terminals, emit work(by determining
Whether rate is less than or equal to predetermined power, when determining that transmission power is less than or equal to predetermined power, according to scene information and works as
Preceding working frequency obtains the Circuit Matching parameter of adjustable match circuit；When determining that transmission power is more than predetermined power, according to working as
Preceding working frequency obtains the Circuit Matching parameter of adjustable match circuit.Specifically, when equipment is in running order, it can basis
Which kind of state is the size judgement equipment of transmission power be operated under, when transmission power is less than or equal to predetermined power, it is meant that
The signal that equipment receives is stronger, at this point, sensor can get current scene information, and then can be according to scene information
The Circuit Matching parameter of adjustable match circuit is obtained with present operating frequency；When the signal that equipment receives weakens, equipment meeting
The transmission power of itself is actively increased, therefore transmission power can be more than predetermined power, and the signal that equipment receives at this time weakens
Also imply that equipment is operated in Feeble field, i.e. sensor can not sense scene information, therefore, can not incude in sensor and show up
When scape information, the Circuit Matching parameter of adjustable match circuit can be obtained according to present operating frequency.That is, based on above-mentioned
Scheme is searched under different scenes using different matching by the judgement to transmission power, to meet in different conditions and
Optimum Matching under frequency range, this way it is possible to realize the Optimum Matching under different scenes, therefore, use is provided by the present invention
Technical solution can improve the matching performance of antenna.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is a kind of schematic diagram one of aerial matching method provided in an embodiment of the present invention；
Fig. 2 is corresponding between a kind of working frequency range provided in an embodiment of the present invention, operative scenario and Circuit Matching parameter
The schematic diagram of relationship；
Fig. 3 is a kind of schematic diagram two of aerial matching method provided in an embodiment of the present invention；
Fig. 4 is a kind of schematic diagram three of aerial matching method provided in an embodiment of the present invention；
Fig. 5 is a kind of schematic diagram one of antenna matching unit provided in an embodiment of the present invention；
Fig. 6 is a kind of schematic diagram two of antenna matching unit provided in an embodiment of the present invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
First, before the concrete scheme for introducing the present invention, technical term related to the present invention is simply illustrated.
Antenna is a kind of equipment emitted or receive electromagnetic wave.In receiving terminal, electromagnetic wave is changed into height by reception antenna
Frequency electric current or guided wave are transmitted to receiver through feed equipment (such as adjustable match circuit)；In the high frequency that transmitting terminal, transmitter generate
Oscillating current is input to antenna through feed equipment, and high frequency oscillating current is transformed into electromagnetism wave direction surrounding space and radiated by antenna.
Wherein, impedance matching is to weigh one of the parameter of antenna performance.If impedance mismatch, the high frequency of transmitter output
Energy cannot all be launched by antenna, and the energy that this part is not launched can reflect generation standing wave, for hair
The reflection power of raw reflection and the ratio of transmission power are reflectance factor, and standing-wave ratio then calculates to obtain according to reflectance factor, when in
When Bobbi is equal to 1, then it represents that the high-frequency energy that transmitter is transferred to antenna does not have any reflection, all launches；If standing wave
Than being more than 1, then it represents that a part of electric wave is reflected back.Therefore, the impedance matching of antenna need to be realized.
In the following, introducing the specific implementation of the present invention.
Embodiment one
The embodiment of the present invention provides a kind of aerial matching method, as shown in Figure 1, including：
Whether step 101, detection transmission power are less than or equal to predetermined power.
Wherein, transmission power is the transmission power under current power frequency.If detecting, transmission power is less than or equal to
Predetermined power thens follow the steps 102；If detecting, transmission power is more than predetermined power, thens follow the steps 103.
If step 102 detects that transmission power is less than or equal to predetermined power, according to scene information and work at present frequency
Rate obtains the Circuit Matching parameter of adjustable match circuit.
In a preferred embodiment of the invention, as shown in figure 4, according to scene information and current work in step 102
The Circuit Matching parameter that working frequency obtains adjustable match circuit includes：
102a, it detects whether to receive the scene information of sensor transmission.
Wherein, sensor is for being identified the scene of surrounding, to obtain scene information.Common sensor includes：
Acceleration sensor, ambient light sensor, pressure sensor, magnetometric sensor, gyroscope, closely senses temperature sensor
Device etc., to perceive and the scene information residing for identification equipment.
If detection receives the scene information of sensor transmission, 102b-102e is thened follow the steps；If detection does not receive biography
The scene information that sensor is sent, thens follow the steps 102f.
If step 102b, receiving the scene information of sensor transmission, the first residing work is determined according to scene information
Make scene.
Wherein, the scene residing for equipment can add right hand mould for free space mode formula, right-handed mode, left-handed mode, the number of people
Formula, the number of people add any one in the scenes such as left-handed mode.For step 102b, due to the field under different operative scenarios
Scape information is different, therefore, according to the scene information that sensor identifies, determines which kind of operative scenario be specifically in.
Step 102c, the first working frequency range residing for present operating frequency is determined.
In embodiments of the present invention, by system working frequency range be divided into Band1, Band2 ..., BandN, N >=1,
In, the frequency range of Band1 is f1~f2, and the frequency range of Band2 is f2~f3, and so on.If present operating frequency fx
Meet f1<fx<F2, it is determined that the working frequency range residing for present operating frequency fx is Band1.
It should be noted that for first determining the first operative scenario, then determine the first working frequency range, still first determine first
Working frequency range, in the sequence for determining the first operative scenario, the present invention to this without limitation.In the present embodiment, first to determine the
Illustratively illustrated for one operative scenario, then determining first working frequency range.
Step 102d, according to the first working frequency range, the first operative scenario and pre-set working frequency range, yard
Correspondence between scape and Circuit Matching parameter obtains the first circuit corresponding with the first working frequency range and the first operative scenario
Match parameter.
It is illustrated in figure 2 the correspondence between pre-set working frequency range, operative scenario and Circuit Matching parameter
Schematic diagram, wherein the different operative scenario of the first behavior, respectively with scene 1, scene 2, scene 3 ..., scene M carry out table
Show, scene 1, scene 2 ..., scene M can be step 104 shown in different operative scenarios in one, first is classified as
The different working frequency range divided, respectively with Band1, Band2 ..., BandN is indicated.It is exemplary, with M=in Fig. 2
4, it is illustrated for N=4, if the first working frequency range residing for current frequency is Band1, and the first operative scenario is scene 1
When corresponding first Circuit Matching parameter be a11, if the first working frequency range residing for current frequency is Band4, and the first work
Corresponding first Circuit Matching parameter is a42 when scene is scene 2, and so on.Illustrative explanation according to fig. 2, Ke Yigen
According to the correspondence between pre-set working frequency range, operative scenario and Circuit Matching parameter, obtain and the first working frequency range
The first Circuit Matching parameter corresponding with the first operative scenario, in this way, can quickly be obtained according to pre-set correspondence
The first required Circuit Matching parameter is got, more efficiently.
Step 102e, first Circuit Matching parameter is determined as to the Circuit Matching parameter of adjustable match circuit.
Under normal circumstances, switch, variable capacitance or variable inductance are included in adjustable match circuit.It is exemplary, if current frequency
The first working frequency range residing for rate is Band1, and when the first operative scenario is scene 1 corresponding first Circuit Matching parameter is
A11, then, which is the opening or closing of switch, variable capacitance or variable inductance value, so as to adjustable
Match circuit carries out matching adjusting according to the Circuit Matching parameter, to realize optimization matching.The present invention is to adjustable match circuit
Concrete form without limitation, as long as can realize that the adjustable match circuit of optimization matching belongs to the embodiment of the present invention to be protected
The range of shield.
If step 102f, not receiving the scene information of sensor transmission, second circuit match parameter is determined as tune
Circuit Matching parameter with circuit.
Wherein, second circuit match parameter is the Circuit Matching corresponding with free space scene under the first working frequency range
Parameter.That is, when detecting that transmission power is less than or equal to predetermined power value, and sensor can not determine residing work
When making scene, corresponding Circuit Matching parameter under acquiescence scene, that is, free space scene can be determined as adjustable match circuit
Circuit Matching parameter.
If step 103 detects that transmission power is more than predetermined power, adjustable matching electricity is obtained according to present operating frequency
The Circuit Matching parameter on road.
In a preferred embodiment of the invention, shown in Fig. 4, step 103 specifically includes：
103a, the first working frequency range residing for present operating frequency is determined.
In embodiments of the present invention, by system working frequency range be divided into Band1, Band2 ..., BandN, N >=1,
In, the frequency range of Band1 is f1~f2, and the frequency range of Band2 is f2~f3, and so on.If present operating frequency fx
Meet f1<fx<F2, it is determined that the working frequency range residing for present operating frequency fx is Band1.
103b, according to the first working frequency range and pre-set working frequency range, operative scenario and Circuit Matching parameter it
Between correspondence, obtain corresponding with the first working frequency range at least one Circuit Matching parameter.
Specifically, according to the first working frequency range and pre-set working frequency range, operative scenario and circuit shown in Fig. 2
With the correspondence between parameter, at least one Circuit Matching parameter corresponding with the first working frequency range is obtained.It is exemplary, if figure
Comprising 4 different operative scenarios (scene 1, scene 2, scene 3 and scene 4) if the first working frequency range is Band1 in 2, with
Circuit Matching parameter a11, a12, a13 and a14 under the corresponding all scenes of first working frequency range Band1.
103c, first pass is executed.
Wherein, first pass includes：
103c1, tertiary circuit match parameter is sent to adjustable match circuit.
Wherein, tertiary circuit match parameter is to be not issued to any one of adjustable match circuit at least one match parameter
A Circuit Matching parameter.
103c2, the reflection power corresponding with tertiary circuit match parameter that adjustable match circuit is sent is received.
103c3, acquisition reflectance factor corresponding with tertiary circuit match parameter.
Wherein, and the corresponding reflectance factor of tertiary circuit match parameter is reflection work(corresponding with tertiary circuit match parameter
The ratio of rate and transmission power.As shown in following formula：Γ=Pr/Pin, wherein Γ indicates reflectance factor, PrIndicate reflection work(
Rate, PinIndicate transmission power.
Whether 103c4, detection reflectance factor corresponding with tertiary circuit match parameter are less than or equal to preset anti-
Penetrate coefficient.
It is exemplary, shown in step 103b, if four Circuit Matchings corresponding with the first working frequency range Band1
Parameter a11, a12, a13, a14 are not issued to adjustable match circuit, then are sent to the a11 in this four Circuit Matching parameters
Adjustable match circuit, adjustable match circuit carry out matching tuning according to Circuit Matching parameter a11, and then will be with Circuit Matching parameter
The corresponding reflection powers of a11 are sent to main controller, main controller receive that adjustable match circuit sends with a11 pairs of Circuit Matching parameter
The reflection power answered obtains the reflectance factor of corresponding with Circuit Matching parameter a11 reflection power and transmission power, and detect and
Whether the corresponding reflectance factors of Circuit Matching parameter a11 are less than preset reflectance factor.Join with Circuit Matching if detecting
The corresponding reflectance factors of number a11 are less than preset reflectance factor, then follow the steps 103d.
If it is preset step 103d, to detect that reflectance factor corresponding with tertiary circuit match parameter is less than or equal to
Tertiary circuit match parameter is then determined as the Circuit Matching parameter of adjustable match circuit by reflectance factor.
Specifically, when detecting reflectance factor corresponding with tertiary circuit match parameter less than preset reflectance factor
When, then mean that the tertiary circuit match parameter is met the requirements, and then tertiary circuit match parameter is determined as adjustable matching electricity
The Circuit Matching parameter on road.
Described in before, reflectance factor is the ratio of reflection power and transmission power, is to weigh antenna performance
One of major parameter.When emission ratio is bigger, i.e. the ratio of reflection power and transmission power is bigger, then means not by day
Line launches that energy is more, and the energy that this part is not launched can reflect generation standing wave, and therefore, it is necessary to will be more
Energy transmitting is gone out, then reflection power will reduce, and emission ratio also reduces accordingly.It therefore, will be anti-for in step 103d
Penetrate the Circuit Matching parameter that coefficient is determined as adjustable match circuit less than or equal to preset reflectance factor.
Further, in the 103c4 that step 103c executes first pass, if detecting and tertiary circuit match parameter pair
The reflectance factor answered is more than preset reflectance factor, as shown in figure 4, this method further includes：
If step 103e, detecting, reflectance factor corresponding with tertiary circuit match parameter is more than preset reflection
Number, then execute first pass, until all Circuit Matching parameters at least one Circuit Matching parameter are sent to adjustable
With circuit.
It is exemplary, shown in step 103b and step 103c, when reflection corresponding with Circuit Matching parameter a11 is
When number is greater than or equal to preset reflectance factor, then adjustable matching electricity will be not issued in (a11, a12, a13, a14)
One Circuit Matching parameter on road sends adjustable match circuit, i.e., sends out a Circuit Matching parameter in (a12, a13, a14)
Adjustable match circuit is sent, step 108 is executed,.If Circuit Matching parameter a12 is sent to adjustable match circuit, step is being executed
When rapid 108, detect reflectance factor corresponding with Circuit Matching parameter a12 still greater than or be equal to preset reflectance factor
When, then a Circuit Matching parameter in (a13, a14) is sent to adjustable match circuit, continues to execute step 108.If with
The reflectance factor of currents match parameter under the corresponding all scenes of one working frequency range is all higher than or is equal to preset reflection
When coefficient, step 103f is executed.
Step 103f, the minimum of the reflectance factor of all Circuit Matching parameters at least one Circuit Matching parameter is obtained
Value.
Step 103g, the 4th Circuit Matching parameter corresponding with the minimum value of reflectance factor is determined as adjustable match circuit
Circuit Matching parameter.
When all Circuit Matching parameters are sent to adjustable match circuit, and the reflection system of each Circuit Matching parameter
When number is all higher than preset reflectance factor, then minimum value in the reflectance factor of all Circuit Matching parameters is obtained, will be with reflection
The corresponding 4th Circuit Matching parameter of several minimum values is determined as the Circuit Matching parameter of adjustable match circuit.For 103e-
In the case of described in 103g, the 4th Circuit Matching parameter corresponding with the minimum value of reflectance factor is determined as adjustable match circuit
Circuit Matching parameter, in this way, the energy that antenna is not launched is less, i.e., antenna can launch more energy, tool
Body can refer to the description in step 103d.
It is exemplary, if will all Circuit Matching parameters corresponding with the first working frequency range (a11, a12, a13, a14) is equal
It is sent to adjustable match circuit, and reflectance factor Γ corresponding with Circuit Matching parameter a11a11And a12 pairs of Circuit Matching parameter
The reflectance factor Γ answereda12, reflectance factor Γ corresponding with Circuit Matching parameter a13a13, it is corresponding with Circuit Matching parameter a14
Reflectance factor Γa14It is all higher than preset reflectance factor, then obtains (Γa11、Γa12、Γa13、Γa14) in minimum value, if minimum
Value is Γa13, then will be with Γa13Corresponding Circuit Matching parameter is sent to adjustable match circuit.
For step 103, if detecting, transmission power is more than predetermined power, can according to present operating frequency acquisition
Adjust the Circuit Matching parameter of match circuit that can start from function of search, to having set that is, in the scene that sensor can not incude
Matching value scan for, until meet needed for matching condition until.
Further, by the first Circuit Matching parameter or second circuit match parameter or tertiary circuit match parameter or
Four Circuit Matching circuits are determined as after the Circuit Matching parameter of adjustable match circuit, as shown in figure 3, this method further includes：
Step 104 detects whether to have reset present operating frequency.
If step 105 detects and do not reset present operating frequency, the Circuit Matching parameter of acquisition is sent to can
Adjust match circuit.
Wherein, the Circuit Matching parameter of acquisition is the first Circuit Matching parameter, second circuit match parameter, tertiary circuit
With one in parameter, the 4th Circuit Matching parameter.
In this way, in the case that ensureing that current working frequency is unchanged, the Circuit Matching parameter determined is sent to
Adjustable match circuit, so that adjustable match circuit carries out matching tuning according to corresponding Circuit Matching parameter.
Aerial matching method based on the embodiment of the present invention, first, it is pre- whether detection transmission power is less than or equal to
If performance number, for the convenience of description, the state that transmission power is hereinafter less than or equal to predetermined power value is referred to as state 1,
The state that transmission power is more than to predetermined power value is referred to as state 2.
If detecting the transmission power in present operating frequency is less than or equal to predetermined power value, i.e., in state 1, according to
Scene information and present operating frequency obtain the Circuit Matching parameter of adjustable match circuit.If specifically, receiving sensor hair
The scene information sent, the then scene information sent according to sensor determine the first operative scenario, determine residing for present operating frequency
The first working frequency range, and then according to the first working frequency range, the first operative scenario and pre-set working frequency range, operative scenario
With the correspondence between Circuit Matching parameter, the first circuit corresponding with the first working frequency range and the first operative scenario is obtained
With parameter, the first Circuit Matching parameter is determined as to the Circuit Matching parameter of adjustable match circuit；If not receiving sensor hair
Circuit Matching parameter corresponding with free space pattern is then determined as the Circuit Matching of adjustable match circuit by the scene information sent
Parameter.
If detecting the transmission power in present operating frequency is more than predetermined power value, i.e., in state 2, according to current work
Working frequency obtains the Circuit Matching parameter of adjustable match circuit, specifically, determining the first work frequency residing for present operating frequency
Section, according to the corresponding pass between the first working frequency range and pre-set working frequency range, operative scenario and Circuit Matching parameter
System obtains the Circuit Matching parameter under all working scene corresponding with the first working frequency range；By the electricity under all working scene
One (i.e. tertiary circuit match parameter) in the match parameter of road is sent to adjustable match circuit, and detection matches ginseng with tertiary circuit
Whether the corresponding reflectance factor of number is less than or equal to preset reflectance factor, if satisfied, then by tertiary circuit match parameter
It is determined as the Circuit Matching parameter of adjustable match circuit.
Further, if detecting, reflectance factor corresponding with tertiary circuit match parameter is more than preset reflection
Any one the Circuit Matching parameter for being not issued to adjustable match circuit is then sent to adjustable match circuit by number, is judged therewith
Whether corresponding reflectance factor meets condition, if being unsatisfactory for condition, obtains the minimum value of the reflectance factor under all scenes,
The 4th Circuit Matching parameter corresponding with the minimum value of reflectance factor is determined as to the Circuit Matching parameter of adjustable match circuit.
An embodiment of the present invention provides a kind of aerial matching methods, by determining it is default whether transmission power is less than or equal to
Power obtains adjustable when determining that transmission power is less than or equal to predetermined power according to scene information and present operating frequency
Circuit Matching parameter with circuit；When determining that transmission power is more than predetermined power, adjustable is obtained according to present operating frequency
Circuit Matching parameter with circuit.Specifically, when equipment is in running order, can judge to set according to the size of transmission power
It is standby to be operated under which kind of state, when transmission power is less than or equal to predetermined power, it is meant that the signal that equipment receives is stronger,
At this point, sensor can get current scene information, and then can be obtained according to scene information and present operating frequency can
Adjust the Circuit Matching parameter of match circuit；When the signal that equipment receives weakens, equipment can actively increase the transmitting work(of itself
Rate, therefore transmission power can be more than predetermined power, and to also imply that equipment is operated in weak for equipment receives at this time signal decrease
Place, i.e. sensor can not sense scene information, therefore, can be according to working as when sensor can not sense scene information
Preceding power-frequency obtains the Circuit Matching parameter of adjustable match circuit.That is, said program is based on, by transmission power
Judgement, searched for using different matching under different scenes, to meet the Optimum Matching under different conditions and frequency range, this
Sample, so that it may to realize therefore the Optimum Matching under different scenes can improve day using technical solution provided by the present invention
The matching performance of line.
Embodiment two
The embodiment of the present invention additionally provides a kind of antenna matching unit, each functional unit in the antenna matching unit with
Method and step in above-mentioned aerial matching method is corresponding, specifically refers to described in above-mentioned aerial matching method, herein no longer
It repeats.As shown in figure 5, the device 50 includes：
Detection unit 501, for detecting whether transmission power is less than or equal to predetermined power；
Acquiring unit 502, if detecting that transmission power is less than or equal to predetermined power, basis for detection unit 501
Scene information and present operating frequency obtain the Circuit Matching parameter of adjustable match circuit；
Acquiring unit 502, if being additionally operable to detection unit 501 detects that transmission power is more than predetermined power, according to current
Working frequency obtains the Circuit Matching parameter of adjustable match circuit.
Optionally, as shown in fig. 6, the device 50 further includes：Determination unit 503；
Detection unit 501 is additionally operable to, when detecting that transmission power is less than or equal to predetermined power, detect whether to receive
The scene information that sensor is sent；
Determination unit 503, if being additionally operable to detection unit 501 detects the scene information for receiving sensor transmission, basis
Scene information determines the first residing operative scenario, and determines the first operative scenario residing for present operating frequency；
Acquiring unit 502, be specifically used for the first working frequency range determined according to determination unit 503, the first operative scenario, with
And the correspondence between pre-set working frequency range, operative scenario and Circuit Matching parameter, it obtains and the first working frequency range
The first Circuit Matching parameter corresponding with the first operative scenario；
Determination unit 503 is additionally operable to the first Circuit Matching parameter that acquiring unit 502 obtains being determined as adjustable matching electricity
The Circuit Matching parameter on road.
Optionally, determination unit 503, if being additionally operable to detection unit 501 detects the scene for not receiving sensor transmission
Second circuit match parameter, is determined as the Circuit Matching parameter of adjustable match circuit by information, second circuit match parameter be
Under first working frequency range, Circuit Matching parameter corresponding with free space scene.
Optionally, as shown in fig. 6, the device further includes：Processing unit 504；
Determination unit 503 is additionally operable to, when detection unit 501 detects that transmission power is more than predetermined power, determine current
The first operative scenario residing for working frequency；
Acquiring unit 502, be additionally operable to according to the first working frequency range and pre-set working frequency range, operative scenario with
Correspondence between Circuit Matching parameter obtains at least one Circuit Matching parameter corresponding with the first working frequency range；
Processing unit 504, for executing first pass, first pass includes：Tertiary circuit match parameter is sent to can
Adjust match circuit；Receive the reflection power corresponding with tertiary circuit match parameter that adjustable match circuit is sent；Acquisition and third
The corresponding reflectance factor of Circuit Matching parameter；Whether detection reflectance factor corresponding with tertiary circuit match parameter is less than or equal to
Preset reflectance factor；
Determination unit 503, if detecting that reflectance factor corresponding with tertiary circuit match parameter is small for processing unit 504
In or equal to preset reflectance factor, then tertiary circuit match parameter is determined as to the Circuit Matching ginseng of adjustable match circuit
Number；
Wherein, tertiary circuit match parameter is to be not issued to any one of adjustable match circuit at least one match parameter
A Circuit Matching parameter；And the corresponding reflectance factor of tertiary circuit match parameter is reflection corresponding with tertiary circuit match parameter
The ratio of power and transmission power.
Optionally, processing unit 504, if being additionally operable to detect that reflectance factor corresponding with tertiary circuit match parameter is more than
When preset reflectance factor, first pass is executed, until all Circuit Matchings at least one Circuit Matching parameter are joined
Number is sent to adjustable match circuit；
Acquiring unit 502 is additionally operable to obtain the reflection system of all Circuit Matching parameters at least one Circuit Matching parameter
Several minimum values；
Determination unit 503 is additionally operable to the 4th circuit corresponding with reflectance factor minimum value that is obtaining acquiring unit 502
Match parameter is determined as the Circuit Matching parameter of adjustable match circuit.
Optionally, detection unit 501 are additionally operable to obtain the Circuit Matching parameter of adjustable match circuit in acquiring unit 502
Later, it detects whether to have reset present operating frequency；
Processing unit 504 does not reset present operating frequency, by acquisition if being detected for detection unit 501
Circuit Matching parameter is sent to adjustable match circuit, and the Circuit Matching parameter of acquisition is the first Circuit Matching parameter, second circuit
One in the electric match parameter of match parameter, tertiary circuit match parameter and the 4th.
An embodiment of the present invention provides a kind of antenna matching units, by determining it is default whether transmission power is less than or equal to
Power obtains adjustable when determining that transmission power is less than or equal to predetermined power according to scene information and present operating frequency
Circuit Matching parameter with circuit；When determining that transmission power is more than predetermined power, adjustable is obtained according to present operating frequency
Circuit Matching parameter with circuit.Specifically, when equipment is in running order, can judge to set according to the size of transmission power
It is standby to be operated under which kind of state, when transmission power is less than or equal to predetermined power, it is meant that the signal that equipment receives is stronger,
At this point, sensor can get current scene information, and then can be obtained according to scene information and present operating frequency can
Adjust the Circuit Matching parameter of match circuit；When the signal that equipment receives weakens, equipment can actively increase the transmitting work(of itself
Rate, therefore transmission power can be more than predetermined power, and to also imply that equipment is operated in weak for equipment receives at this time signal decrease
Place, i.e. sensor can not sense scene information, therefore, can be according to working as when sensor can not sense scene information
Preceding power-frequency obtains the Circuit Matching parameter of adjustable match circuit.That is, said program is based on, by transmission power
Judgement, searched for using different matching under different scenes, to meet the Optimum Matching under different conditions and frequency range, this
Sample, so that it may to realize therefore the Optimum Matching under different scenes can improve day using technical solution provided by the present invention
The matching performance of line.
In addition, the embodiment of the present invention additionally provides a kind of antenna matching system, including adjustable match circuit, sensor and on
State the antenna matching unit 50 described in embodiment；Wherein, antenna matching unit 50 connects with sensor, adjustable match circuit respectively
It connects, antenna matching unit is for executing aerial matching method described above, and adjustable match circuit is for reception antenna matching dress
The Circuit Matching parameter of 50 transmissions is set, and matching tuning is carried out according to Circuit Matching parameter.
The embodiment of the present invention additionally provides a kind of mobile terminal, which includes antenna match system described above
System.
One of ordinary skill in the art will appreciate that：Realize that all or part of step of above method embodiment can pass through
The relevant hardware of program instruction is completed, and program above-mentioned can be stored in a computer read/write memory medium, the program
When being executed, step including the steps of the foregoing method embodiments is executed；And storage medium above-mentioned includes：ROM, RAM, magnetic disc or light
The various media that can store program code such as disk.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (9)
1. a kind of aerial matching method, which is characterized in that including：
Detect whether transmission power is less than or equal to predetermined power；
If detecting, transmission power is less than or equal to predetermined power, and adjustable is obtained according to scene information and present operating frequency
Circuit Matching parameter with circuit；
If detecting, transmission power is more than predetermined power, and the adjustable match circuit is obtained according to the present operating frequency
Circuit Matching parameter.
2. according to the method described in claim 1, it is characterized in that, described can according to scene information and present operating frequency acquisition
Adjust match circuit Circuit Matching parameter include：
It detects whether to receive the scene information that sensor is sent；
If receiving the scene information that the sensor is sent, the first residing yard is determined according to the scene information
Scape, and determine the first working frequency range residing for present operating frequency；
According to first working frequency range, first operative scenario and pre-set working frequency range, operative scenario and electricity
Correspondence between the match parameter of road obtains the first electricity corresponding with first working frequency range and first operative scenario
Road match parameter；
The first Circuit Matching parameter is determined as to the Circuit Matching parameter of adjustable match circuit.
3. according to the method described in claim 2, it is characterized in that, described can according to scene information and present operating frequency acquisition
Adjust match circuit Circuit Matching parameter further include：
The scene information that the sensor is sent is not received, and second circuit match parameter is determined as the adjustable match circuit
Circuit Matching parameter, the second circuit match parameter be under first working frequency range, it is corresponding with free space scene
Circuit Matching parameter.
4. according to the method described in claim 1, it is characterized in that, described described adjustable according to present operating frequency acquisition
The Circuit Matching parameter of match circuit includes：
Determine the first working frequency range residing for present operating frequency；
According between first working frequency range and pre-set working frequency range, operative scenario and Circuit Matching parameter
Correspondence obtains at least one Circuit Matching parameter corresponding with first working frequency range；
First pass is executed, the first pass includes：Tertiary circuit match parameter is sent to the adjustable match circuit；It connects
Receive the reflection power corresponding with the tertiary circuit match parameter that the adjustable match circuit is sent；It obtains and third electricity
The corresponding reflectance factor of road match parameter；Whether detection reflectance factor corresponding with the tertiary circuit match parameter is less than or waits
In preset reflectance factor；
If detecting, reflectance factor corresponding with the tertiary circuit match parameter is less than or equal to the preset reflection
The tertiary circuit match parameter is then determined as the Circuit Matching parameter of the adjustable match circuit by coefficient；
Wherein, the tertiary circuit match parameter is to be not issued to the adjustable match circuit at least one match parameter
Any one Circuit Matching parameter；The reflectance factor corresponding with the tertiary circuit match parameter is and the third is electric
The ratio of road match parameter corresponding reflection power and the transmission power.
5. according to the method described in claim 4, it is characterized in that, the method further includes：
If detecting, reflectance factor corresponding with the tertiary circuit match parameter is more than the preset reflectance factor,
The first pass is executed, until all Circuit Matching parameters at least one Circuit Matching parameter are sent to described
Adjustable match circuit；
Obtain the minimum value of the reflectance factor of all Circuit Matching parameters at least one Circuit Matching parameter；
The 4th Circuit Matching parameter corresponding with the minimum value of reflectance factor is determined as to the circuit of the adjustable match circuit
With parameter.
6. method according to any one of claims 1-5, which is characterized in that in the electricity for obtaining the adjustable match circuit
After the match parameter of road, the method further includes：
It detects whether to have reset the present operating frequency；
The present operating frequency is not reset if detecting, the Circuit Matching parameter of acquisition is sent to described adjustable
With circuit.
7. a kind of antenna matching unit, which is characterized in that including：
Detection unit, for detecting whether transmission power is less than or equal to predetermined power；
Acquiring unit is believed if detecting that transmission power is less than or equal to predetermined power for the detection unit according to scene
Breath and present operating frequency obtain the Circuit Matching parameter of adjustable match circuit；
The acquiring unit is worked as if being additionally operable to the detection unit detects that transmission power is more than predetermined power according to
Preceding working frequency obtains the Circuit Matching parameter of the adjustable match circuit.
8. a kind of antenna matching system, which is characterized in that including：Described in adjustable match circuit, sensor and claim 7
Antenna matching unit；
The antenna matching unit is connect with the sensor, the adjustable match circuit respectively, and the antenna matching unit is used
1-6 any one of them aerial matching methods are required in perform claim, the adjustable match circuit is for receiving the antenna
With the Circuit Matching parameter that device is sent, and matching tuning is carried out according to the Circuit Matching parameter.
9. a kind of mobile terminal, which is characterized in that the mobile terminal includes antenna matching system according to any one of claims 8.
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| CN105896086B (en) * | 2016-04-26 | 2019-02-05 | Oppo广东移动通信有限公司 | The matching process and device of impedance |
| CN107437968B (en) * | 2016-05-26 | 2021-03-23 | 中兴通讯股份有限公司 | Radio frequency transmitting circuit and circuit matching method |
| CN110392983B (en) * | 2017-04-01 | 2021-08-20 | 华为技术有限公司 | Antenna resource scheduling method and device |
| CN107682022B (en) * | 2017-09-18 | 2020-02-18 | 珠海市魅族科技有限公司 | Mobile terminal and adjusting method of antenna matching network |
| CN108712178A (en) * | 2018-04-25 | 2018-10-26 | 深圳市万普拉斯科技有限公司 | The method, apparatus and mobile terminal of intelligent tuning antenna |
| CN108808245B (en) * | 2018-06-06 | 2020-12-22 | Oppo（重庆）智能科技有限公司 | Tuning switch processing method and device, storage medium and electronic equipment |
| CN118174016A (en) * | 2022-12-08 | 2024-06-11 | 中兴通讯股份有限公司 | Vehicle-mounted connection device, vehicle-mounted antenna connection method and vehicle-mounted equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1774837A (en) * | 2003-04-03 | 2006-05-17 | 基奥赛拉无线公司 | System and method for regulating antenna electrical length |
| CN102404015A (en) * | 2010-09-10 | 2012-04-04 | 索尼爱立信移动通讯有限公司 | Antenna matching structure, antenna matching method and wireless communication terminal |
| CN103546178A (en) * | 2012-07-09 | 2014-01-29 | 宏达国际电子股份有限公司 | Mobile communication device and impedance matching method thereof |
| CN104348501A (en) * | 2013-07-26 | 2015-02-11 | 株式会社东芝 | Antenna device and wireless communication apparatus |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101211009B1 (en) * | 2006-04-28 | 2012-12-11 | 엘지전자 주식회사 | Mobile communication device capable of performing an adaptive antenna matching and control method thereof |
-
2015
- 2015-09-23 CN CN201510613358.6A patent/CN105337631B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1774837A (en) * | 2003-04-03 | 2006-05-17 | 基奥赛拉无线公司 | System and method for regulating antenna electrical length |
| CN102404015A (en) * | 2010-09-10 | 2012-04-04 | 索尼爱立信移动通讯有限公司 | Antenna matching structure, antenna matching method and wireless communication terminal |
| CN103546178A (en) * | 2012-07-09 | 2014-01-29 | 宏达国际电子股份有限公司 | Mobile communication device and impedance matching method thereof |
| CN104348501A (en) * | 2013-07-26 | 2015-02-11 | 株式会社东芝 | Antenna device and wireless communication apparatus |
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