CN109167187A - Antenna tuning matrix unit, radiation dispersion control device, method and mobile terminal - Google Patents
Antenna tuning matrix unit, radiation dispersion control device, method and mobile terminal Download PDFInfo
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- CN109167187A CN109167187A CN201810898227.0A CN201810898227A CN109167187A CN 109167187 A CN109167187 A CN 109167187A CN 201810898227 A CN201810898227 A CN 201810898227A CN 109167187 A CN109167187 A CN 109167187A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q23/00—Antennas with active circuits or circuit elements integrated within them or attached to them
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/2258—Supports; Mounting means by structural association with other equipment or articles used with computer equipment
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
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- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- General Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Telephone Function (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The embodiment of the invention provides a kind of antenna tuning matrix unit, radiation dispersion control device, method and mobile terminals, the antenna tuning matrix unit is connect with antenna radiation unit, resonance circuit is provided in the antenna tuning matrix unit, the resonance frequency of the resonance circuit and the working frequency of the antenna radiation unit meet preset relation.The embodiment of the present invention is provided with resonance circuit in antenna tuning matrix unit, the resonance frequency corresponding resonance wave can be reflected when resonance, the radiation efficiency generated when antenna radiation unit work is reduced, so that resonance wave can not be radiate, to achieve the effect that reduce radiation dispersion.
Description
Technical field
The present invention relates to technical field of mobile terminals, more particularly to antenna tuning matrix unit, radiation dispersion control dress
It sets, method and mobile terminal.
Background technique
The mobile terminal of all-metal center and rear cover at present mostly uses greatly the center of mobile terminal as antenna, passes through day
Line emits signal.
However, due to the ghost effect etc. of device distribution parameter each in mobile terminal, so that mobile terminal is sent out by antenna
There may be radiation dispersions (Radiated Spurious Emission, RSE) to be unsatisfactory for RSE standard authentication requirement when penetrating signal
The problem of.
Summary of the invention
The embodiment of the present invention provides antenna tuning matrix unit, radiation dispersion control device, method and mobile terminal, with solution
Certainly radiation dispersion exceeded problem when mobile terminal transmitting signal.
In order to solve the above-mentioned technical problem, the embodiment of the invention provides a kind of antenna tuning matrix units, comprising:
The antenna tuning matrix unit is connect with antenna radiation unit, is provided in the antenna tuning matrix unit humorous
Shake circuit, and the working frequency range of the resonance band of the resonance circuit and the antenna radiation unit meets preset relation.
In a first aspect, the embodiment of the invention also provides a kind of radiation dispersion control device, described device includes on any
The antenna tuning matrix unit stated, described device further include:
Determining module, for determining the present operating frequency of the antenna radiation unit；
Control module, if meeting the default pass for the resonance frequency of the resonance circuit and the present operating frequency
System, controls the resonance circuit and is in channel status.
Second aspect, the embodiment of the invention also provides a kind of radiation dispersion control methods, applied to any above-mentioned spoke
Penetrate spuious control device, which comprises
Determine the present operating frequency of the antenna radiation unit；
If the resonance frequency of the resonance circuit and the present operating frequency meet the preset relation, control described humorous
Vibration circuit is in channel status.
The third aspect, the embodiment of the present invention still further provide a kind of mobile terminal, including any above-mentioned radiation dispersion
Control device.
Fourth aspect, the embodiment of the present invention still further provide a kind of mobile terminal, including processor, memory and storage
On the memory and the computer program that can run on the processor, the computer program are held by the processor
The step of radiation dispersion control method above-mentioned is realized when row.
5th aspect, the embodiment of the present invention still further provide a kind of computer readable storage medium, and the computer can
It reads to store computer program on storage medium, the computer program realizes radiation dispersion control above-mentioned when being executed by processor
The step of method.
In the embodiment of the present invention, resonance circuit is provided in antenna tuning matrix unit, and, the resonance frequency of resonance circuit
Rate and the working frequency of antenna radiation unit meet preset relation, and the resonance frequency pair can be reflected when due to resonance
The resonance wave answered reduces the radiation efficiency generated when antenna radiation unit work, so that resonance wave can not be radiate, to reach
To the effect for reducing radiation dispersion.Therefore, it in the embodiment of the present invention, is provided in antenna tuning matrix unit and aerial radiation
After the working frequency of unit meets the resonance circuit of preset relation, when resonance circuit work can reduce the exceeded working frequency
The radiation dispersion of mobile terminal.
Detailed description of the invention
Fig. 1 is a kind of structural block diagram of antenna tuning matrix unit of the embodiment of the present invention one；
Fig. 2 is that a kind of mobile terminal of the embodiment of the present invention does not enter the return loss schematic diagram of resonance circuit；
Fig. 3 is a kind of return loss schematic diagram of mobile terminal access resonance circuit of the embodiment of the present invention；
Fig. 4 is a kind of structural block diagram of radiation dispersion control device of the embodiment of the present invention two；
Fig. 5 is a kind of step flow chart of radiation dispersion control method of mobile terminal embodiment three of the present invention；
Fig. 6 is a kind of structural block diagram of mobile terminal of the embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Based on this hair
Embodiment in bright, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
[embodiment one]
Referring to Fig.1, the structural block diagram of one of embodiment of the present invention antenna tuning matrix unit 20 is shown.
In the embodiment of the present invention, the antenna tuning matrix unit 20 is connect with antenna radiation unit 30, the antenna tune
Resonance circuit, the working frequency of the resonance frequency of the resonance circuit and the antenna radiation unit are provided in humorous matrix unit
Meet preset relation.
The antenna tuning matrix unit 20 and antenna radiation unit 30 of the embodiment of the present invention can be applied to mobile terminal, move
Dynamic terminal specifically can be mobile phone, computer, electronic reader etc., and the present invention is not especially limit this.
In the embodiment of the present invention, inventor passes through a large amount of experiment and research, and discovery causes mobile terminal to be sent out by antenna
There are the exceeded reasons of radiation dispersion when penetrating signal is: 1/4 wavelength mono-pole sub-antenna, this type are generallyd use in mobile terminal
Antenna combination mobile terminal in each capacitive device setting so that if mobile terminal work fundamental resonant frequency be f0
When, it will usually spurious resonance is generated near 3f0 frequency, tertiary parasitism resonance can be become, this tertiary parasitism resonance goes out
It is existing, so that, there is the aerial radiation effect of double frequency in the Antenna Design of single-frequency.As shown in Fig. 2, showing a kind of low-frequency antenna
Return loss, abscissa are frequency, and ordinate is return loss gain.Specifically, GSM (global system for
Mobile communications, global system for mobile communications) 900 antenna, frequency 915MHz (at m4) is worked in, three
There are higher radiation efficiencies, about 6.327db (at m5) at frequency multiplication 2.745GHz.If the property such as terminal part of mobile terminal
Can be poor, the conduction triple-frequency harmonics allowance of mobile terminal plate grade is insufficient, then after taking this load of antenna, GSM900's is humorous three times
A possibility that wave radiation is spuious exceeded will greatly increase, and often occur the exceeded situation of radiation dispersion so as to cause mobile terminal.
Based on above-mentioned discovery, in the embodiment of the present invention, can according to the working frequency of antenna radiation unit, adaptation in day
Resonance circuit is set in line tuning matrix module, the resonance frequency of the resonance circuit and the working frequency of antenna radiation unit meet
Preset relation.
In concrete application, the resonance frequency of resonance circuit can be the multiple proportion of the working frequency of antenna radiation unit；
The resonance frequency of resonance circuit is also possible to other compatible relationships of working frequency of antenna radiation unit, so that resonance circuit
The resonance wave that the antenna radiation unit works in the generation of the working frequency can be reflected when resonance, to reduce aerial radiation list
Member works in the radiation efficiency when working frequency, so that resonance wave can not be radiate, so that reaching reduces radiation dispersion
Effect.
As a kind of preferred embodiment of the embodiment of the present invention, the resonance frequency of the resonance circuit and the aerial radiation list
The exceeded working frequency adaptation of member, wherein when the exceeded working frequency is that the antenna radiation unit works, radiation dispersion is super
The working frequency of preset threshold out.
In the embodiment of the present invention, can according in advance to mobile terminal work in each frequency radiation dispersion situation survey
Examination, when antenna radiation unit 30 is worked, radiation dispersion is determined as exceeded working frequency beyond the working frequency of preset threshold, and
Setting adapts to the resonance circuit of exceeded working frequency in antenna tuning matrix unit 20, can be by movement by resonance circuit
Radiation efficiency of the antenna radiation unit 30 of terminal at the exceeded frequency of radiation dispersion is reflected, so that when antenna works in work
When working frequency (such as fundamental wave), other than having radiation efficiency at working frequency (such as fundamental wave), at other harmonic waves (as being three times in fundamental wave
At triple-frequency harmonics) substantially without radiation efficiency, even if being then fed into the signal of antenna, there are third-harmonic components, also substantially without
Method is radiate, to achieve the purpose that improve complete machine radiation dispersion performance.
It may include at least one in antenna tuning matrix unit 20 as a kind of preferred embodiment of the embodiment of the present invention
Band matching circuit, as shown in Figure 1, may include the first band matching circuit 22, the second band matching circuit 23, third frequency range
Match circuit 23；Resonance circuit 21 in antenna tuning matrix unit 20 may include inductance and capacitor, the inductance and described
Capacitor is connected in series, one end connection of one end of resonance circuit 21 frequency band match unit corresponding with the resonance circuit 21；Resonance
The other end of circuit 21 connects earthing switch 25.
In concrete application, resonance circuit can be correspondingly arranged with band matching circuit, and each band matching circuit correspondence is set
Matched resonance circuit is set, earthing switch 25 can be double-point double-throw switch, and one end of resonance circuit and the resonance circuit 21 are right
The one end for the band matching circuit answered connects；The other end of resonance circuit connects earthing switch, frequency corresponding with the resonance circuit
The other end of section match circuit also connects earthing switch.When to work in wherein some band matching circuit corresponding for mobile terminal
When working frequency, the resonance electricity that is correspondingly arranged by earthing switch 25 by the band matching circuit and with the band matching circuit
Road ground connection, allows resonance circuit to effectively reduce radiation dispersion when mobile terminal works in the band matching circuit.
It is appreciated that when mobile terminal work, it is other in addition to the band matching circuit used when mobile terminal work
Band matching circuit, and resonance circuit corresponding with the others band matching circuit can be set as by earthing switch
Open-circuit condition, to avoid interference when working normally to mobile terminal, those skilled in the art can be according to practical application scene
Adaptive settings, the present invention is not especially limit this.
In the embodiment of the present invention, by the way that L (electricity corresponding with exceeded working frequency is added in antenna tuning matrix unit
Sense) C (capacitor) resonance circuit to be effectively improved the radiation dispersion performance of antenna is a kind of small, the effective scheme of change.
As a kind of preferred embodiment of the embodiment of the present invention, resonance circuit may include inductance L and capacitor C, according to movement
The resonance circuit of resonance frequency adaptation can be arranged in the difference of the exceeded working frequency of terminal accordingly.Specifically, containing electricity
In the alternating current circuit of sense and capacitor, circuit both end voltage and its electric current are usually out of phase, if adjusting circuit parameter or power supply
Frequency makes electric current and the same phase of supply voltage, and circuit is in resistive, and at this moment the working condition of circuit is referred to as resonance.In inductance and capacitor
In composed series circuit, when capacitive reactance XC is equal with inductive reactance xl, i.e. XC=XL, the phase of voltage U and electric current I in circuit
Identical, circuit is presented purely, and this phenomenon is series resonance.When circuit occur series resonance when circuit in total impedance most
Small, electric current is up to maximum value.When series resonance, resonance frequency f are as follows:
It is appreciated that when resonance circuit is set in antenna tuning matrix unit 200, it can be exceeded by each radiation dispersion
Working frequency be correspondingly arranged a resonance circuit, to reduce radiation dispersion to greatest extent；It can also be exceeded in radiation dispersion
Multiple working frequencies in, setting one partial radiation that can be reduced the exceeded multiple working frequencies of the radiation dispersion it is spuious
Resonance circuit, to reduce the complexity of circuit in antenna tuning matrix unit；Those skilled in the art can be according to practical application
Scene is set, and the present invention is not especially limit this.
As a kind of preferred embodiment of the embodiment of the present invention, the resonance frequency of the resonance circuit is the aerial radiation
The presupposition multiple of the exceeded working frequency of unit.
In the embodiment of the present invention, when presupposition multiple can work according to the antenna radiation unit to mobile terminal, radiate miscellaneous
It dissipates exceeded detection case to determine, for example, by detection, when antenna radiation unit works in working frequency F1, in 2 times of F1
Frequency at, the radiation dispersion of mobile terminal is exceeded, then working frequency F1 can be determined as exceeded working frequency, will preset
Multiple is set as 2, and resonance is in 2 times of F1 frequencies.It is appreciated that those skilled in the art can be according to practical application field
Scape, sets corresponding presupposition multiple, and the embodiment of the present invention is not specifically limited presupposition multiple.
As a kind of preferred embodiment of the embodiment of the present invention, the resonance frequency of the resonance circuit is the aerial radiation
3 times of the exceeded working frequency of unit.
In the embodiment of the present invention, found according to a large amount of experiment and research of inventor, because of tertiary parasitism in mobile terminal
The probability that the generation of resonance causes radiation dispersion exceeded is larger, can be in advance in antenna tuning as a kind of preferred embodiment
Setting works in the resonance circuit of the exceeded working frequency of three times in matrix unit, generally reaches preferable improvement mobile terminal spoke
The effect for penetrating spuious index, the specific works frequency without determining resonance circuit after being tested one by one mobile terminal again
Rate, can the significantly less difficulty that resonance circuit is arranged.
In concrete application, as shown in figure 3, occurring that radiation dispersion is exceeded to be when the GSM900 with the Antenna Operation of mobile terminal
Example, is provided with resonance in the resonance circuit of the frequency tripling of GSM900 in the antenna tuning matrix unit of mobile terminal in advance, when
For the Antenna Operation of mobile terminal when GSM900, resonance circuit is conducting to ground, so that the return loss variation of antenna is Fig. 3 middle line
Shown in item 2, the return loss of antenna when shown in lines 1 being not set resonance circuit in mobile terminal in Fig. 3, it can be seen that
Antenna is substantially without radiation efficiency (about 0.059db) at GSM900 frequency tripling, and antenna does not have radiation efficiency, even if being fed into
There are third-harmonic components in the signal of antenna, can not also radiate substantially, so that reaching improves complete machine radiation dispersion performance
Purpose.In Fig. 3, M1 point refers to return loss of the antenna at fundamental wave, and M2 compares M3, and return loss is obviously much smaller, namely
Antenna is substantially totally reflected at the frequency tripling of fundamental wave, and no energy can be radiated, to reach the angle from antenna
To improve the purpose of the spuious index of mobile terminal radiating.
In the embodiment of the present invention, resonance circuit is provided in antenna tuning matrix unit, and, the resonance frequency of resonance circuit
Rate and the working frequency of antenna radiation unit meet preset relation, and the resonance frequency pair can be reflected when due to resonance
The resonance wave answered reduces the radiation efficiency generated when antenna radiation unit work, so that resonance wave can not be radiate, to reach
To the effect for reducing radiation dispersion.Therefore, it in the embodiment of the present invention, is provided in antenna tuning matrix unit and aerial radiation
After the working frequency of unit meets the resonance circuit of preset relation, when resonance circuit work can reduce the exceeded working frequency
The radiation dispersion of mobile terminal.
[embodiment two]
Referring to Fig. 4, the structural block diagram of one of embodiment of the present invention radiation dispersion control device 100 is shown.
In the embodiment of the present invention, radiation dispersion control device includes any antenna tuning matrix list as described in embodiment one
Member.
In concrete application, radiation dispersion control device can be mobile terminal, be also possible to the control chip of mobile terminal,
The embodiment of the present invention is not specifically limited in this embodiment.
The radiation dispersion control device further include:
Determining module 110, for determining the present operating frequency of the antenna radiation unit；
Control module 120, if the resonance frequency for the resonance circuit meet with the present operating frequency it is described pre-
If relationship, controls the resonance circuit and be in channel status.
The working principle of determining module 110 and control module 120 is specific as follows in the radiation dispersion control device:
Determining module 110, for determining the present operating frequency of the antenna radiation unit.
In the embodiment of the present invention, mobile terminal can be led to by the base station that the operators such as movement, connection, telecommunications provide
Letter, each operator are corresponding with different communication frequencys, and therefore, the service of the operator according to used in mobile terminal determines
Module 110 can determine the present operating frequency of antenna radiation unit.
It is appreciated that those skilled in the art can also fill according to practical application scene, in the terminal setting test
It sets, to test working frequency when mobile terminal communication with the outside world, so that it is determined that the present operating frequency of antenna radiation unit, this
Inventive embodiments to determining module 110 determine antenna radiation unit present operating frequency concrete scheme without limitation.
Control module 120, if the resonance frequency for the resonance circuit meet with the present operating frequency it is described pre-
If relationship, controls the resonance circuit and be in channel status.
It, can be in the resonance of resonance circuit if antenna radiation unit works in present operating frequency in the embodiment of the present invention
Frequency generates radiation dispersion and can control humorous it may be considered that preceding working frequency is adapted to the resonance frequency of the resonance circuit
Vibration circuit is in channel status, to reduce the radiation dispersion generated when antenna radiation unit works in present operating frequency.
As a kind of preferred embodiment of the embodiment of the present invention, the resonance frequency of resonance circuit can be with antenna radiation unit
Exceeded working frequency adaptation, when exceeded working frequency is that antenna radiation unit works, radiation dispersion exceeds the work of preset threshold
Frequency.In this case, if present operating frequency is adapted to the exceeded working frequency, for example, present operating frequency with
Exceeded working frequency is same or similar, it can be said that it is bright, when the antenna of mobile terminal working frequency transmitting signal in this prior,
It will appear the exceeded phenomenon of radiation dispersion, and be directed to the phenomenon, be provided in antenna tuning matrix unit and work frequency
Therefore the resonance circuit of rate adaptation can control resonance circuit by control module 120 and be in channel status, then the resonance circuit
The radiation efficiencies such as triple-frequency harmonics that mobile terminal antenna is generated in the working frequency can be substantially eliminated, improve mobile terminal
Radiation dispersion index.It is appreciated that when mobile terminal antenna transmitting signal, it is also possible to humorous there are occurring at other frequencys multiplication of fundamental wave
Vibration causes the spuious exceeded phenomenon of mobile terminal radiating to occur, then can set to correspond in antenna tuning matrix unit and be somebody's turn to do
The resonance circuit of other frequencys multiplication, improves the radiation dispersion index at other frequencys multiplication, and the embodiment of the present invention does not limit this specifically
It is fixed.
In concrete application, multiple resonance circuits can also be set in the terminal, only by resonance frequency and mobile terminal
The resonance circuit of working frequency adaptation is set as channel status, opens passing through with the current unmatched resonance circuit of working frequency
Close etc. be set on line state, to avoid the unmatched resonance circuit to mobile terminal bring power consumption or other can
The interference of energy, the present invention is not especially limit this.
As a kind of preferred embodiment of the embodiment of the present invention, the control module 120 includes: the first control submodule, is used
If meeting the preset relation in the resonance frequency of the resonance circuit and the present operating frequency, the resonance circuit is controlled
Corresponding earthing switch closure, so that the resonance circuit is in channel status.
In the embodiment of the present invention, the enabled pin of earthing switch can be linked into the first control submodule of mobile terminal
Block controls the enabled pin of earthing switch by the first control submodule, so that earthing switch is in closing or opening state.Tool
In body application, when earthing switch is in an off state, resonance circuit may be at open-circuit condition, not to other frequencies of mobile terminal
Normal work interfere；When earthing switch is in channel status, resonance circuit is worked in and mobile terminal work at present frequency
The corresponding resonance frequency of rate can improve the radiation dispersion that mobile terminal is generated in the resonance frequency.
In concrete application, mobile terminal as shown in Figure 3 works in GSM900, and the exceeded working frequency of the working frequency is
For 915MHz, after introducing LC resonance circuit, while improving radiation dispersion index of the antenna to GSM900 triple-frequency harmonics, no
It will affect the working frequency and Antenna Operation bandwidth of fundamental wave.It is a kind of relatively effective side of improvement mobile terminal complete machine radiation dispersion
Case.
As a kind of preferred embodiment of the embodiment of the present invention, the radiation dispersion control device can also include signal feedback
Enter unit, the signal feed-in unit connects the input terminal of the antenna tuning matrix unit；Transmitting module, for when transmitting letter
Number when, by the signal feed-in unit by emit signal be transmitted to the antenna tuning matrix unit.
In the embodiment of the present invention, the resonance circuit being adapted to mobile terminal present operating frequency is in channel status, then when
When transmitting module emits signal, antenna tuning matrix unit 20, day can be transmitted to for signal is emitted by signal feed-in unit
Line tunes the resonance circuit in matrix unit 20 and can generate at the exceeded frequency of radiation dispersion in mobile terminal, by the frequency
Resonance signal is shorted to ground, so that the radiation efficiency of resonance signal is almost all reflected, is then emitted by aerial radiation module
No longer there is the exceeded phenomenon of radiation dispersion in transmitting signal out.
In the embodiment of the present invention, resonance circuit is provided in antenna tuning matrix unit, and, the resonance frequency of resonance circuit
Rate and the working frequency of antenna radiation unit meet preset relation, and the resonance frequency pair can be reflected when due to resonance
The resonance wave answered reduces the radiation efficiency generated when antenna radiation unit work, so that resonance wave can not be radiate, to reach
To the effect for reducing radiation dispersion.Therefore, it in the embodiment of the present invention, is provided in antenna tuning matrix unit and aerial radiation
After the working frequency of unit meets the resonance circuit of preset relation, when resonance circuit work can reduce the exceeded working frequency
The radiation dispersion of mobile terminal.
[embodiment three]
Referring to Fig. 5, the flow chart of one of embodiment of the present invention radiation dispersion control method is shown.This method application
In above-mentioned radiation dispersion control device, which comprises
Step 301: determining the present operating frequency of the antenna radiation unit；
Step 302: if the resonance frequency of the resonance circuit and the present operating frequency meet the preset relation, controlling
It makes the resonance circuit and is in channel status.
In the embodiment of the present invention, resonance circuit is provided in antenna tuning matrix unit, and, the resonance frequency of resonance circuit
Rate and the working frequency of antenna radiation unit meet preset relation, and the resonance frequency pair can be reflected when due to resonance
The resonance wave answered reduces the radiation efficiency generated when antenna radiation unit work, so that resonance wave can not be radiate, to reach
To the effect for reducing radiation dispersion.Therefore, it in the embodiment of the present invention, is provided in antenna tuning matrix unit and aerial radiation
After the working frequency of unit meets the resonance circuit of preset relation, when resonance circuit work can reduce the exceeded working frequency
The radiation dispersion of mobile terminal.It should be noted that for the aforementioned method embodiment, for simple description, therefore by its all table
It states as a series of action combinations, but those skilled in the art should understand that, the present invention is not by described sequence of movement
Limitation because according to the present invention, some steps may be performed in other sequences or simultaneously.Secondly, those skilled in the art
Member also should be aware of, and the embodiments described in the specification are all preferred embodiments, and related movement is not necessarily originally
Necessary to invention.
Above-mentioned radiation dispersion control method can be realized each mistake that each module is realized in the Installation practice of Fig. 1 to Fig. 4
Journey, to avoid repeating, which is not described herein again.
A kind of hardware structural diagram of Fig. 6 mobile terminal of each embodiment to realize the present invention.
The mobile terminal 500 includes but is not limited to: radio frequency unit 501, network module 502, audio output unit 503, defeated
Enter unit 504, sensor 505, display unit 506, user input unit 507, interface unit 508, memory 509, processor
The components such as 510 and power supply 511.It will be understood by those skilled in the art that mobile terminal structure shown in Fig. 6 is not constituted
Restriction to mobile terminal, mobile terminal may include than illustrating more or fewer components, perhaps combine certain components or
Different component layouts.In embodiments of the present invention, mobile terminal include but is not limited to mobile phone, tablet computer, laptop,
Palm PC, car-mounted terminal, wearable device and pedometer etc..
Wherein, processor 510, for determining the present operating frequency of the antenna radiation unit；If the resonance circuit
Resonance frequency and the present operating frequency meet the preset relation, control the resonance circuit and be in channel status.
In the embodiment of the present invention, resonance circuit is provided in antenna tuning matrix unit, and, the resonance frequency of resonance circuit
Rate and the working frequency of antenna radiation unit meet preset relation, and the resonance frequency pair can be reflected when due to resonance
The resonance wave answered reduces the radiation efficiency generated when antenna radiation unit work, so that resonance wave can not be radiate, to reach
To the effect for reducing radiation dispersion.Therefore, it in the embodiment of the present invention, is provided in antenna tuning matrix unit and aerial radiation
After the working frequency of unit meets the resonance circuit of preset relation, when resonance circuit work can reduce the exceeded working frequency
The radiation dispersion of mobile terminal.
It should be understood that the embodiment of the present invention in, radio frequency unit 501 can be used for receiving and sending messages or communication process in, signal
Send and receive, specifically, by from base station downlink data receive after, to processor 510 handle；In addition, by uplink
Data are sent to base station.In general, radio frequency unit 501 includes but is not limited to antenna, at least one amplifier, transceiver, coupling
Device, low-noise amplifier, duplexer etc..In addition, radio frequency unit 501 can also by wireless communication system and network and other set
Standby communication.
Mobile terminal provides wireless broadband internet by network module 502 for user and accesses, and such as user is helped to receive
It sends e-mails, browse webpage and access streaming video etc..
Audio output unit 503 can be received by radio frequency unit 501 or network module 502 or in memory 509
The audio data of storage is converted into audio signal and exports to be sound.Moreover, audio output unit 503 can also be provided and be moved
The relevant audio output of specific function that dynamic terminal 500 executes is (for example, call signal receives sound, message sink sound etc.
Deng).Audio output unit 503 includes loudspeaker, buzzer and receiver etc..
Input unit 504 is for receiving audio or video signal.Input unit 504 may include graphics processor
(Graphics Processing Unit, GPU) 5041 and microphone 5042, graphics processor 5041 is in video acquisition mode
In image capture mode by image capture mobile terminal (such as camera) obtain static images or video image data into
Row processing.Treated, and picture frame may be displayed on display unit 506.Through graphics processor 5041, treated that picture frame can
To be stored in memory 509 (or other storage mediums) or be sent via radio frequency unit 501 or network module 502.
Microphone 5042 can receive sound, and can be audio data by such acoustic processing.Treated, and audio data can
To be converted to the format output that can be sent to mobile communication base station via radio frequency unit 501 in the case where telephone calling model.
Mobile terminal 500 further includes at least one sensor 505, such as optical sensor, motion sensor and other biographies
Sensor.Specifically, optical sensor includes ambient light sensor and proximity sensor, wherein ambient light sensor can be according to environment
The light and shade of light adjusts the brightness of display panel 5061, and proximity sensor can close when mobile terminal 500 is moved in one's ear
Display panel 5061 and/or backlight.As a kind of motion sensor, accelerometer sensor can detect in all directions (general
For three axis) size of acceleration, it can detect that size and the direction of gravity when static, can be used to identify mobile terminal posture (ratio
Such as horizontal/vertical screen switching, dependent game, magnetometer pose calibrating), Vibration identification correlation function (such as pedometer, tap)；It passes
Sensor 505 can also include fingerprint sensor, pressure sensor, iris sensor, molecule sensor, gyroscope, barometer, wet
Meter, thermometer, infrared sensor etc. are spent, details are not described herein.
Display unit 506 is for showing information input by user or being supplied to the information of user.Display unit 506 can wrap
Display panel 5061 is included, liquid crystal display (Liquid Crystal Display, LCD), Organic Light Emitting Diode can be used
Forms such as (Organic Light-Emitting Diode, OLED) configure display panel 5061.
User input unit 507 can be used for receiving the number or character information of input, and generate the use with mobile terminal
Family setting and the related key signals input of function control.Specifically, user input unit 507 include touch panel 5071 and
Other input equipments 5072.Touch panel 5071, also referred to as touch screen collect the touch operation of user on it or nearby
(for example user uses any suitable objects or attachment such as finger, stylus on touch panel 5071 or in touch panel 5071
Neighbouring operation).Touch panel 5071 may include two parts of touch detection mobile terminal and touch controller.Wherein, it touches
The touch orientation of mobile terminal detection user is detected, and detects touch operation bring signal, transmits a signal to touch control
Device；Touch controller receives touch information from touch detection mobile terminal, and is converted into contact coordinate, then gives processing
Device 510 receives the order that processor 510 is sent and is executed.Furthermore, it is possible to using resistance-type, condenser type, infrared ray and
The multiple types such as surface acoustic wave realize touch panel 5071.In addition to touch panel 5071, user input unit 507 can also include
Other input equipments 5072.Specifically, other input equipments 5072 can include but is not limited to physical keyboard, function key (such as
Volume control button, switch key etc.), trace ball, mouse, operating stick, details are not described herein.
Further, touch panel 5071 can be covered on display panel 5061, when touch panel 5071 is detected at it
On or near touch operation after, send processor 510 to determine the type of touch event, be followed by subsequent processing device 510 according to touching
The type for touching event provides corresponding visual output on display panel 5061.Although in Fig. 6, touch panel 5071 and display
Panel 5061 is the function that outputs and inputs of realizing mobile terminal as two independent components, but in some embodiments
In, can be integrated by touch panel 5071 and display panel 5061 and realize the function that outputs and inputs of mobile terminal, it is specific this
Place is without limitation.
Interface unit 508 is the interface that external mobile terminal is connect with mobile terminal 500.For example, external mobile terminal can
With include wired or wireless head-band earphone port, external power supply (or battery charger) port, wired or wireless data port,
Memory card port, port, the port audio input/output (I/O), video I/ for connecting the mobile terminal with identification module
O port, ear port etc..Interface unit 508 can be used for receiving the input from external mobile terminal (for example, data are believed
Breath, electric power etc.) and by one or more elements that the input received is transferred in mobile terminal 500 or can be used for
Data are transmitted between mobile terminal 500 and external mobile terminal.
Memory 509 can be used for storing software program and various data.Memory 509 can mainly include storing program area
The storage data area and, wherein storing program area can (such as the sound of application program needed for storage program area, at least one function
Sound playing function, image player function etc.) etc.；Storage data area can store according to mobile phone use created data (such as
Audio data, phone directory etc.) etc..In addition, memory 509 may include high-speed random access memory, it can also include non-easy
The property lost memory, a for example, at least disk memory, flush memory device or other volatile solid-state parts.
Processor 510 is the control centre of mobile terminal, utilizes each of various interfaces and the entire mobile terminal of connection
A part by running or execute the software program and/or module that are stored in memory 509, and calls and is stored in storage
Data in device 509 execute the various functions and processing data of mobile terminal, to carry out integral monitoring to mobile terminal.Place
Managing device 510 may include one or more processing units；Preferably, processor 510 can integrate application processor and modulatedemodulate is mediated
Manage device, wherein the main processing operation system of application processor, user interface and application program etc., modem processor is main
Processing wireless communication.It is understood that above-mentioned modem processor can not also be integrated into processor 510.
Mobile terminal 500 can also include the power supply 511 (such as battery) powered to all parts, it is preferred that power supply 511
Can be logically contiguous by power-supply management system and processor 510, to realize management charging by power-supply management system, put
The functions such as electricity and power managed.
In addition, mobile terminal 500 includes some unshowned functional modules, details are not described herein.
Preferably, the embodiment of the present invention also provides a kind of mobile terminal, including processor 510, and memory 509 is stored in
On memory 509 and the computer program that can run on the processor 510, the computer program are executed by processor 510
Each process of the above-mentioned radiation dispersion control method embodiment of Shi Shixian, and identical technical effect can be reached, to avoid repeating,
Which is not described herein again.
The embodiment of the present invention also provides a kind of computer readable storage medium, and meter is stored on computer readable storage medium
Calculation machine program, the computer program realize each process of above-mentioned radiation dispersion control method embodiment when being executed by processor,
And identical technical effect can be reached, to avoid repeating, which is not described herein again.Wherein, the computer readable storage medium,
Such as read-only memory (Read-Only Memory, abbreviation ROM), random access memory (Random Access Memory, letter
Claim RAM), magnetic or disk etc..
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that including that process, method, article or the mobile terminal of a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or movement
The intrinsic element of terminal.In the absence of more restrictions, the element limited by sentence "including a ...", is not arranged
Except there is also other identical elements in process, method, article or the mobile terminal for including the element.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can be realized by means of software and necessary general hardware platform, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.Based on this understanding, technical solution of the present invention substantially in other words does the prior art
The part contributed out can be embodied in the form of software products, which is stored in a storage medium
In (such as ROM/RAM, magnetic disk, CD), including some instructions are used so that a terminal (can be mobile phone, computer, service
Device, air conditioner or network equipment etc.) execute method described in each embodiment of the present invention.
The embodiment of the present invention is described with above attached drawing, but the invention is not limited to above-mentioned specific
Embodiment, the above mentioned embodiment is only schematical, rather than restrictive, those skilled in the art
Under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, it can also make very much
Form belongs within protection of the invention.
Claims (11)
1. a kind of antenna tuning matrix unit, which is characterized in that the antenna tuning matrix unit is connect with antenna radiation unit,
Resonance circuit, the resonance frequency of the resonance circuit and the antenna radiation unit are provided in the antenna tuning matrix unit
Working frequency meet preset relation.
2. antenna tuning matrix unit according to claim 1, the resonance frequency of the resonance circuit and the antenna spoke
The working frequency for penetrating unit meets preset relation and includes:
The resonance frequency of the resonance circuit is adapted to the exceeded working frequency of the antenna radiation unit, wherein described exceeded
When working frequency is that the antenna radiation unit works, radiation dispersion exceeds the working frequency of preset threshold.
3. antenna tuning matrix unit according to claim 2, which is characterized in that the resonance frequency of the resonance circuit,
For the presupposition multiple of the exceeded working frequency of the antenna radiation unit.
4. antenna tuning matrix unit according to claim 2, which is characterized in that the resonance frequency of the resonance circuit,
It is 3 times of the exceeded working frequency of the antenna radiation unit.
5. antenna tuning matrix unit according to any one of claims 1 to 4, which is characterized in that the resonance circuit includes:
Inductance and capacitor, the inductance and the capacitor are connected in series.
6. antenna tuning matrix unit according to claim 5, which is characterized in that further include:
At least one band matching circuit；
One end of one end of resonance circuit band matching circuit corresponding with the resonance circuit connects；
The other end of the resonance circuit connects earthing switch.
7. a kind of radiation dispersion control device, which is characterized in that including any antenna tuning matrix of claim 1 to 6
Unit, described device further include:
Determining module, for determining the present operating frequency of the antenna radiation unit；
Control module, if meeting the preset relation for the resonance frequency of the resonance circuit and the present operating frequency,
It controls the resonance circuit and is in channel status.
8. device according to claim 7, which is characterized in that
The control module includes:
First control submodule, if meeting for the resonance frequency of the resonance circuit and the present operating frequency described default
Relationship controls the corresponding earthing switch closure of the resonance circuit, so that the resonance circuit is in channel status.
9. device according to claim 7, which is characterized in that described device further include:
Signal feed-in unit, the signal feed-in unit connect the input terminal of the antenna tuning matrix unit；
Transmitting module, for when transmitting a signal, being transmitted to the antenna tune for signal is emitted by the signal feed-in unit
Humorous matrix unit.
10. a kind of radiation dispersion control method, which is characterized in that applied to any radiation dispersion control of claim 7 to 9
Device processed, which comprises
Determine the present operating frequency of the antenna radiation unit；
If the resonance frequency of the resonance circuit and the present operating frequency meet the preset relation, the resonance electricity is controlled
Road is in channel status.
11. a kind of mobile terminal, which is characterized in that including any antenna tuning matrix unit of claim 1 to 6.
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| CN201810898227.0A CN109167187B (en) | 2018-08-08 | 2018-08-08 | Antenna tuning matrix unit, radiation stray control device and method and mobile terminal |
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| CN201810898227.0A CN109167187B (en) | 2018-08-08 | 2018-08-08 | Antenna tuning matrix unit, radiation stray control device and method and mobile terminal |
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| CN109167187B (en) | 2021-07-27 |
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