CN105633555B - Antenna switching component, switching method, switching system, antenna and mobile terminal - Google Patents
Antenna switching component, switching method, switching system, antenna and mobile terminal Download PDFInfo
- Publication number
- CN105633555B CN105633555B CN201610046317.8A CN201610046317A CN105633555B CN 105633555 B CN105633555 B CN 105633555B CN 201610046317 A CN201610046317 A CN 201610046317A CN 105633555 B CN105633555 B CN 105633555B
- Authority
- CN
- China
- Prior art keywords
- antenna
- feed point
- switching
- switch
- phase
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
Landscapes
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Transceivers (AREA)
Abstract
The present invention provides a kind of antenna switching component, switching method, switching system, antenna and mobile terminals, wherein antenna switching component includes：Three-phase switching switch；Fixing end and selection end, first terminal and Second terminal in fixing end are grounded, third terminal in fixing end is connected to radio frequency processing module, selection end is connected to the first feed point, the second feed point and third feed point of antenna body, and any feed point in any terminal and the first feed point, the second feed point and third feed point in first end, second end and third end switches switch connection by three-phase.Technical solution through the invention realizes fixing end and selects the multiple combinations connection type at end, and then obtains multiple groups resonant state, meets the bandwidth demand that single resonance can not cover.
Description
Technical field
The present invention relates to technical field of mobile terminals, in particular to a kind of antenna switching component, a kind of switching side
Method, a kind of switching system, a kind of antenna and and a kind of mobile terminal.
Background technique
In the related art, radio-frequency antenna is widely used in the mobile terminals such as mobile phone, for existing changeable or frequency modulation
Antenna, the main parameter by changing the match circuit of antenna, obtains different resonance frequencies.
But since antenna body is there is no variation, when the parameter of match circuit changes, resonant bandwidth subtracts
Small, the resonance efficiency of acquisition changes also with tuning offset, and remoter with the deviation of former resonance, efficiency is lower.
Therefore, the resonance obtained by switching or frequency modulation match circuit, variation range is small, is difficult to meet bandwidth requirement,
Seriously affect the communication experiences of the user of mobile terminal.
In conclusion how to design a kind of antenna switching scheme to realize that the communication requirement of multiband becomes urgently to be resolved
Technical problem.
Summary of the invention
The present invention is based at least one above-mentioned technical problem, proposes a kind of new antenna switching scheme, by
Multiple feed points that three-phase switches switch, multiple terminals of fixing end and selection end are set in antenna switching component, realize fixation
The multiple combinations connection type at end and selection end, and then multiple groups resonant state is obtained, meet the band that single resonance can not cover
Wide demand.
In view of this, the invention proposes a kind of antenna switching components, including：Three-phase switching switch；Fixing end and selection
It holds, the first terminal and Second terminal in fixing end are grounded, and the third terminal in fixing end is connected to radio frequency processing module, choosing
Select the first feed point, the second feed point and third feed point that end is connected to antenna body, any in first end, second end and third end
Any feed point in terminal and the first feed point, the second feed point and third feed point switches switch connection by three-phase.
In the technical scheme, the multiple terminals for switching switch, fixing end by the way that three-phase is arranged in antenna switching component
It with multiple feed points at selection end, realizes fixing end and selects the multiple combinations connection type at end, and then obtain multiple groups resonance
State meets the bandwidth demand that single resonance can not cover.
Specifically, each antenna has center operating frequency, when deviateing center operating frequency, certain electrical properties of antenna
It will decline, electrical property drops to the frequency range of feasible value, is exactly the bandwidth of antenna.One section of line is walked beside primary antenna, it is high
Frequent section part, which forms a standing wave and merges with primary antenna high frequency standing wave, makes bandwidth broaden, and grounding point is drilled from dipole antenna
Become, uses limited ground level as other quarter-wave, the dipole antenna on constitution theory, so-called feed point
Optimum position is the position for being easiest to electromagnetic wave energy to radiate in the form of electric wave.If feed point is placed on edge, mainboard electricity
The hot spot of stream will be easier to concentrate on board edges, and the electric power between mainboard and antenna is easier to link together, main feed point
(radiofrequency signal input point) and ground feed point (ground signalling input point) cover needed for the relative distance and antenna in antenna cabling
Multiple frequency ranges it is corresponding.
In the above-mentioned technical solutions, it is preferable that further include：Impedance matching module, be connected to selection end and antenna body it
Between, impedance matching module includes the first impedance matching unit, the second impedance matching unit and third impedance matching unit, wherein
First impedance matching unit is connected between the first feed point and antenna body, the second impedance matching unit be connected to the second feed point and
Between antenna body, third impedance matching unit is connected between third feed point and antenna body.
In the technical scheme, by the way that impedance matching module is arranged, the effect for obtaining maximum power transmission is realized, is hindered
The effect of anti-matching module is power consumption to be reduced by the impedance matching of electromagnetic transmission route, and then guarantee that receiving antenna receives
To energy can be transferred to greatest extent rear stage and handled.If the matching effect of antenna-matching circuit and antenna is not
Well it is mismatch, back wave is generated in feeder line, back wave arrival transmitter is eventually converted into heat consumption and falls, in receiving end
Signal can be caused to receive because of mismatch bad, i.e., antenna performance is weakened.In addition, standing-wave ratio is table in antenna transmission parameter
The Common Parameters of matching performance are levied, standing wave ratio is lower, and expression matching performance is better, and the higher expression matching performance of standing wave ratio is more
Difference.
Specifically, when high-frequency signal is transmitted to terminal from beginning along feeder line, the current or voltage of each point will be by height on line
The beat of frequency concussion and change, such case is like to evoke a kind of invisible wave on the line, if impedance and feeder line are special
Property mismatch, then cannot by the high-frequency signal power transmitted all absorb.
According to the second aspect of the invention, it is also proposed that a kind of switching method, including：It is true according to radiofrequency signal to be transmitted
Determine the connection status of the three-phase switching switch of antenna switching component.
In the technical scheme, by determining the connection status of three-phase switching switch according to radiofrequency signal, fixation is realized
The multiple combinations connection type at end and selection end, and then multiple groups resonant state is obtained, meet the band that single resonance can not cover
Wide demand.
Specifically, each antenna has center operating frequency, when deviateing center operating frequency, certain electrical properties of antenna
It will decline, electrical property drops to the frequency range of feasible value, is exactly the bandwidth of antenna.One section of line is walked beside primary antenna, it is high
Frequent section part, which forms a standing wave and merges with primary antenna high frequency standing wave, makes bandwidth broaden, and grounding point is drilled from dipole antenna
Become, uses limited ground level as other quarter-wave, the dipole antenna on constitution theory.So-called feed point
Optimum position is the position for being easiest to electromagnetic wave energy to radiate in the form of electric wave.If feed point is placed on edge, mainboard electricity
The hot spot of stream will be easier to concentrate on board edges, and the electric power between mainboard and antenna is easier to link together, main feed point
(radiofrequency signal input point) and ground feed point (ground signalling input point) cover needed for the relative distance and antenna in antenna cabling
Multiple frequency ranges it is corresponding.
In the above-mentioned technical solutions, it is preferable that the three tangent of antenna switching component is determined according to radiofrequency signal to be transmitted
The connection status for changing switch specifically includes following state：Parse the working frequency range of radiofrequency signal；It determines humorous belonging to working frequency range
Vibration frequency range；According to the corresponding relationship of resonance band and default connection type, the connection type of three-phase switching switch is determined, with control
Three-phase switching switch is to preset fixing end and the selection end that connection type connects antenna switching component.
In the technical scheme, by being presented according to the main feed point and ground of the radiofrequency signal control access antenna circuit received
The position of point keeps the main feed point for accessing antenna circuit and ground feed point in running order, believes generate antenna circuit with control
Number corresponding resonance, meets the demand of different frequency range, enables the antenna to preferably to receive and transmitting radiofrequency signal.
In the above-mentioned technical solutions, it is preferable that in the three-phase for determining antenna switching component according to radiofrequency signal to be transmitted
Before the connection status for switching switch, further include：Determine that three in fixing end terminals connect one by one with three feed points in end are selected
The six kinds of default connection types connect；It calculates under six kinds of default connection types, six resonance bands of antenna switching component；Storage six
The one-to-one relationship of a resonance band and six kinds of default connection types.
In the technical scheme, by determining the corresponding resonance band of six kinds of default connection types, it can quickly determine and penetrate
Resonance band belonging to frequency signal improves radio signal transmission to meet the bandwidth requirement that single resonance can not cover
Efficiency.
According to the third aspect of the invention we, it is also proposed that a kind of switching system, including：Switch unit, for according to be passed
Defeated radiofrequency signal determines the connection status of the three-phase switching switch of antenna switching component.
In the technical scheme, by determining the connection status of three-phase switching switch according to radiofrequency signal, fixation is realized
The multiple combinations connection type at end and selection end, and then multiple groups resonant state is obtained, meet the band that single resonance can not cover
Wide demand.
Specifically, each antenna has center operating frequency, when deviateing center operating frequency, certain electrical properties of antenna
It will decline, electrical property drops to the frequency range of feasible value, is exactly the bandwidth of antenna.One section of line is walked beside primary antenna, it is high
Frequent section part, which forms a standing wave and merges with primary antenna high frequency standing wave, makes bandwidth broaden, and grounding point is drilled from dipole antenna
Become, uses limited ground level as other quarter-wave, the dipole antenna on constitution theory.So-called feed point
Optimum position is the position for being easiest to electromagnetic wave energy to radiate in the form of electric wave.If feed point is placed on edge, mainboard electricity
The hot spot of stream will be easier to concentrate on board edges, and the electric power between mainboard and antenna is easier to link together, main feed point
(radiofrequency signal input point) and ground feed point (ground signalling input point) cover needed for the relative distance and antenna in antenna cabling
Multiple frequency ranges it is corresponding.
In the above-mentioned technical solutions, it is preferable that switch unit further includes：Resolution unit, for parsing the work of radiofrequency signal
Make frequency range；Determination unit, for determining resonance band belonging to working frequency range；Determination unit is also used to：According to resonance band and
The corresponding relationship of default connection type determines the connection type of three-phase switching switch, is connected with controlling three-phase switching switch with default
The mode of connecing connects fixing end and the selection end of antenna switching component.
In the technical scheme, by being presented according to the main feed point and ground of the radiofrequency signal control access antenna circuit received
The position of point keeps the main feed point for accessing antenna circuit and ground feed point in running order, believes generate antenna circuit with control
Number corresponding resonance, meets the demand of different frequency range, enables the antenna to preferably to receive and transmitting radiofrequency signal.
In the above-mentioned technical solutions, it is preferable that determination unit is also used to：Determine three terminals in fixing end and selection end
In six kinds of default connection types connecting one by one of three feed points；Switching system further includes：Computing unit, it is pre- for calculating six kinds
If under connection type, six resonance bands of antenna switching component；Storage unit, it is pre- for storing six resonance bands and six kinds
If the one-to-one relationship of connection type.
In the technical scheme, by determining the corresponding resonance band of six kinds of default connection types, it can quickly determine and penetrate
Resonance band belonging to frequency signal improves radio signal transmission to meet the bandwidth requirement that single resonance can not cover
Efficiency.
According to the fourth aspect of the invention, it is also proposed that a kind of antenna, including, such as the antenna switch groups of any of the above-described
The switching system of part and/or any of the above-described.Therefore, which has and the switching of the antenna of any one of above-mentioned technical proposal
Component and the identical technical effect of switching system, details are not described herein.
According to the fifth aspect of the invention, it is also proposed that a kind of mobile terminal, including, such as above-mentioned antenna.Therefore, the end
End has technical effect identical with the antenna of above-mentioned technical proposal, and details are not described herein.
By above technical scheme, by multiple ends that three-phase switching switch, fixing end are arranged in antenna switching component
Multiple feed points of son and selection end realize fixing end and select the multiple combinations connection type at end, and then it is humorous to obtain multiple groups
Vibration state meets the bandwidth demand that single resonance can not cover.
Detailed description of the invention
Fig. 1 shows the schematic diagram of antenna switching component according to an embodiment of the invention；
Fig. 2 shows the schematic flow diagrams of the switching method of embodiment according to the present invention；
Fig. 3 shows the schematic block diagram of the switching system of embodiment according to the present invention；
Fig. 4 shows the schematic block diagram of the antenna of embodiment according to the present invention；
Fig. 5 shows the schematic block diagram of the mobile terminal of embodiment according to the present invention；
Fig. 6 shows the first connection status diagram of the antenna feed point access of embodiment according to the present invention；
Fig. 7 shows the second connection status diagram of the antenna feed point access of embodiment according to the present invention；
Fig. 8 shows the third connection status diagram of the antenna feed point access of embodiment according to the present invention；
Fig. 9 shows the test waveform figure of the resonance frequency of embodiment according to the present invention；
Figure 10 shows the schematic diagram of antenna switching component according to an embodiment of the invention.
Specific embodiment
To better understand the objects, features and advantages of the present invention, with reference to the accompanying drawing and specific real
Applying mode, the present invention is further described in detail.It should be noted that in the absence of conflict, the implementation of the application
Feature in example and embodiment can be combined with each other.
In the following description, numerous specific details are set forth in order to facilitate a full understanding of the present invention, still, the present invention may be used also
To be different from implementing in a manner of third party described herein using third party, therefore, protection scope of the present invention is not by following
The limitation of disclosed specific embodiment.
Fig. 1 shows the schematic diagram of the antenna switching component of embodiment according to the present invention.
As shown in Figure 1, the antenna switching component 100 of embodiment according to the present invention, including：Three-phase switches switch 102；Gu
Fixed end and selection end, first terminal 1022 and Second terminal 1024 in fixing end are grounded, the third terminal in fixing end
1026 are connected to radio frequency processing module 108, and end 1024 is selected to be connected to the first feed point 1042 of antenna body, the second feed point 1044
With third feed point 1046, any terminal and the first feed point 1042, in first end 1022, second end 1024 and third end 1026
Any feed point in two feed points 1044 and third feed point 1046 switches switch 102 by three-phase and connects.
In the technical scheme, the multiple terminals for switching switch, fixing end by the way that three-phase is arranged in antenna switching component
It with multiple feed points at selection end, realizes fixing end and selects the multiple combinations connection type at end, and then obtain multiple groups resonance
State meets the bandwidth demand that single resonance can not cover.
Specifically, each antenna has center operating frequency, when deviateing center operating frequency, certain electrical properties of antenna
It will decline, electrical property drops to the frequency range of feasible value, is exactly the bandwidth of antenna.One section of line is walked beside primary antenna, it is high
Frequent section part, which forms a standing wave and merges with primary antenna high frequency standing wave, makes bandwidth broaden, and grounding point is drilled from dipole antenna
Become, uses limited ground level as other quarter-wave, the dipole antenna on constitution theory, so-called feed point
Optimum position is the position for being easiest to electromagnetic wave energy to radiate in the form of electric wave.If feed point is placed on edge, mainboard electricity
The hot spot of stream will be easier to concentrate on board edges, and the electric power between mainboard and antenna is easier to link together, main feed point
(radiofrequency signal input point) and ground feed point (ground signalling input point) cover needed for the relative distance and antenna in antenna cabling
Multiple frequency ranges it is corresponding.
In the above-mentioned technical solutions, it is preferable that further include：Impedance matching module is connected to selection end and antenna body 104
Between, impedance matching module includes the first impedance matching unit 1062, the second impedance matching unit 1064 and third impedance matching
Unit 1064, wherein the first impedance matching unit 1062 is connected between the first feed point 1042 and antenna body 104, the second resistance
Anti- matching unit 1064 is connected between the second feed point 1044 and antenna body 104, and 1066 yuan of third impedance matching list is connected to
Between third feed point 1046 and antenna body 104.
In the technical scheme, by the way that impedance matching module is arranged, the effect for obtaining maximum power transmission is realized, is hindered
The effect of anti-matching module is power consumption to be reduced by the impedance matching of electromagnetic transmission route, and then guarantee that receiving antenna receives
To energy can be transferred to greatest extent rear stage and handled.If the matching effect of antenna-matching circuit and antenna is not
Well it is mismatch, back wave is generated in feeder line, back wave arrival transmitter is eventually converted into heat consumption and falls, in receiving end
Signal can be caused to receive because of mismatch bad, i.e., antenna performance is weakened.In addition, standing-wave ratio is table in antenna transmission parameter
The Common Parameters of matching performance are levied, standing wave ratio is lower, and expression matching performance is better, and the higher expression matching performance of standing wave ratio is more
Difference.
Specifically, when high-frequency signal is transmitted to terminal from beginning along feeder line, the current or voltage of each point will be by height on line
The beat of frequency concussion and change, such case is like to evoke a kind of invisible wave on the line, if impedance and feeder line are special
Property mismatch, then cannot by the high-frequency signal power transmitted all absorb.
Fig. 2 shows the schematic flow diagrams of the switching method of embodiment according to the present invention.
As shown in Fig. 2, the switching method of embodiment according to the present invention, including：Step 202, according to radio frequency to be transmitted
Signal determines the connection status of the three-phase switching switch of antenna switching component.
In the technical scheme, by determining the connection status of three-phase switching switch according to radiofrequency signal, fixation is realized
The multiple combinations connection type at end and selection end, and then multiple groups resonant state is obtained, meet the band that single resonance can not cover
Wide demand.
Specifically, each antenna has center operating frequency, when deviateing center operating frequency, certain electrical properties of antenna
It will decline, electrical property drops to the frequency range of feasible value, is exactly the bandwidth of antenna.One section of line is walked beside primary antenna, it is high
Frequent section part, which forms a standing wave and merges with primary antenna high frequency standing wave, makes bandwidth broaden, and grounding point is drilled from dipole antenna
Become, uses limited ground level as other quarter-wave, the dipole antenna on constitution theory.So-called feed point
Optimum position is the position for being easiest to electromagnetic wave energy to radiate in the form of electric wave.If feed point is placed on edge, mainboard electricity
The hot spot of stream will be easier to concentrate on board edges, and the electric power between mainboard and antenna is easier to link together, main feed point
(radiofrequency signal input point) and ground feed point (ground signalling input point) cover needed for the relative distance and antenna in antenna cabling
Multiple frequency ranges it is corresponding.
In the above-mentioned technical solutions, it is preferable that the three tangent of antenna switching component is determined according to radiofrequency signal to be transmitted
The connection status for changing switch specifically includes following state：Parse the working frequency range of radiofrequency signal；It determines humorous belonging to working frequency range
Vibration frequency range；According to the corresponding relationship of resonance band and default connection type, the connection type of three-phase switching switch is determined, with control
Three-phase switching switch is to preset fixing end and the selection end that connection type connects antenna switching component.
In the technical scheme, by being presented according to the main feed point and ground of the radiofrequency signal control access antenna circuit received
The position of point keeps the main feed point for accessing antenna circuit and ground feed point in running order, believes generate antenna circuit with control
Number corresponding resonance, meets the demand of different frequency range, enables the antenna to preferably to receive and transmitting radiofrequency signal.
In the above-mentioned technical solutions, it is preferable that in the three-phase for determining antenna switching component according to radiofrequency signal to be transmitted
Before the connection status for switching switch, further include：Determine that three in fixing end terminals connect one by one with three feed points in end are selected
The six kinds of default connection types connect；It calculates under six kinds of default connection types, six resonance bands of antenna switching component；Storage six
The one-to-one relationship of a resonance band and six kinds of default connection types.
In the technical scheme, by determining the corresponding resonance band of six kinds of default connection types, it can quickly determine and penetrate
Resonance band belonging to frequency signal improves radio signal transmission to meet the bandwidth requirement that single resonance can not cover
Efficiency.
Fig. 3 shows the schematic block diagram of the switching system of embodiment according to the present invention.
As shown in figure 3, the switching system 300 of embodiment according to the present invention, including：Switch unit 302, for according to
The radiofrequency signal of transmission determines the connection status of the three-phase switching switch of antenna switching component.
In the technical scheme, by determining the connection status of three-phase switching switch according to radiofrequency signal, fixation is realized
The multiple combinations connection type at end and selection end, and then multiple groups resonant state is obtained, meet the band that single resonance can not cover
Wide demand.
Specifically, each antenna has center operating frequency, when deviateing center operating frequency, certain electrical properties of antenna
It will decline, electrical property drops to the frequency range of feasible value, is exactly the bandwidth of antenna.One section of line is walked beside primary antenna, it is high
Frequent section part, which forms a standing wave and merges with primary antenna high frequency standing wave, makes bandwidth broaden, and grounding point is drilled from dipole antenna
Become, uses limited ground level as other quarter-wave, the dipole antenna on constitution theory.So-called feed point
Optimum position is the position for being easiest to electromagnetic wave energy to radiate in the form of electric wave.If feed point is placed on edge, mainboard electricity
The hot spot of stream will be easier to concentrate on board edges, and the electric power between mainboard and antenna is easier to link together, main feed point
(radiofrequency signal input point) and ground feed point (ground signalling input point) cover needed for the relative distance and antenna in antenna cabling
Multiple frequency ranges it is corresponding.
In the above-mentioned technical solutions, it is preferable that switch unit 302 further includes：Resolution unit 3022, for parsing radio frequency letter
Number working frequency range；Determination unit 3024, for determining resonance band belonging to working frequency range；Determination unit 3024 is also used to：
According to the corresponding relationship of resonance band and default connection type, the connection type of three-phase switching switch is determined, it is tangent with control three
Switch is changed to preset the fixing end of connection type connection antenna switching component and selection end.
In the technical scheme, by being presented according to the main feed point and ground of the radiofrequency signal control access antenna circuit received
The position of point keeps the main feed point for accessing antenna circuit and ground feed point in running order, believes generate antenna circuit with control
Number corresponding resonance, meets the demand of different frequency range, enables the antenna to preferably to receive and transmitting radiofrequency signal.
In the above-mentioned technical solutions, it is preferable that determination unit 3024 is also used to：Determine three terminals in fixing end and choosing
Select six kinds of default connection types that three feed points in end connect one by one；Switching system further includes：Computing unit 304, based on
It calculates under six kinds of default connection types, six resonance bands of antenna switching component；Storage unit 306, for storing six resonance
The one-to-one relationship of frequency range and six kinds of default connection types.
In the technical scheme, by determining the corresponding resonance band of six kinds of default connection types, it can quickly determine and penetrate
Resonance band belonging to frequency signal improves radio signal transmission to meet the bandwidth requirement that single resonance can not cover
Efficiency.
Fig. 4 shows the schematic block diagram of the antenna of embodiment according to the present invention.
As shown in figure 4, the antenna 400 of embodiment according to the present invention, including, such as the antenna switching component of any of the above-described
100 and/or any of the above-described switching system 300, therefore, which has and the antenna of any one of above-mentioned technical proposal
Changeover module 100 and the identical technical effect of switching system 300, details are not described herein.
Fig. 5 shows the schematic block diagram of the mobile terminal of embodiment according to the present invention.
As shown in figure 5, the mobile terminal 500 of embodiment according to the present invention, including, such as above-mentioned antenna 400, therefore,
The technical effect that the mobile terminal has and the antenna 400 of above-mentioned technical proposal is same, details are not described herein.
Below with reference to Fig. 6 to Fig. 9, antenna switching scheme according to the present invention is further described.
Fig. 6 shows the first connection status diagram of the antenna feed point access of embodiment according to the present invention.
As shown in fig. 6, antenna body is equipped with the first feed point, the second feed point and third feed point, wherein the first ground signalling
Switch switch the first feed point of access by three-phase, the second ground signalling switches switch the first feed point third of access by three-phase and presents
Point, formed two ground feed points, radiofrequency signal by three-phase switching switch access the second feed point, formed main feed point, antenna body and
The first impedance matching unit, the second impedance matching unit and third impedance matching unit, the wave of generation are equipped between switching switch
Shape figure is as shown in the first connection status of Fig. 9.
Fig. 7 shows the second connection status diagram of the antenna feed point access of embodiment according to the present invention.
As shown in fig. 7, antenna body is equipped with the first feed point, the second feed point and third feed point, wherein the first ground signalling
Switch switch the second feed point of access by three-phase, the second ground signalling switches switch access third feed point by three-phase, forms two
A ground feed point, radiofrequency signal switch switch the first feed point of access by three-phase, form main feed point, antenna body and switching switch
Between be equipped with the first impedance matching unit, the second impedance matching unit and third impedance matching unit, the waveform of generation such as Fig. 9 second
Shown in connection status.
Fig. 8 shows the third connection status diagram of the antenna feed point access of embodiment according to the present invention.
As shown in figure 8, antenna body is equipped with the first feed point, the second feed point and third feed point, wherein the first ground signalling
Switch switch the first feed point of access by three-phase, the second ground signalling switches switch the second feed point of access by three-phase, forms two
A ground feed point, radiofrequency signal switch switch access third feed point by three-phase, form main feed point, antenna body and switching switch
Between be equipped with the first impedance matching unit, the second impedance matching unit and third impedance matching unit, the waveform diagram of generation such as Fig. 9 the
Shown in shown in three connection status.
Fig. 9 shows the test waveform figure of the resonance frequency of embodiment according to the present invention.
As shown in figure 9, being the harmonic wave figure of Fig. 6 three kinds of resonant states into Fig. 8, wherein the input signal of X-axis is humorous
Vibration frequency, unit：The output signal of MHz, Y-axis are standing-wave ratio (SWR, Voltage Standing Wave Ratio), are referred to
Standing wave antinode voltage only compares with peak voltage amplitude, when standing-wave ratio is equal to 1, identifies the impedance exact matching of feeder line and antenna, this
When high-frequency energy all gone out by aerial radiation, the not no reflection loss of energy.
In addition, being worth it is emphasized that antenna can also be arranged and cut in order to further widen the working frequency range of antenna
Change component include multiple radio frequency processing modules (for example M, M are more than or equal to 2 integer) and multiple ground terminals (it is for example N number of,
N is the integer more than or equal to 1), correspondingly, the number for switching switch is equal to M+N, and specific connection is as shown in Figure 10, antenna switching
Component includes：First feed point, the second feed point and third feed point and the first radiofrequency signal, the second radiofrequency signal and ground signalling,
And switch connection is switched by three-phase, specifically, the first feed point is connected to the first radiofrequency signal, and the second feed point is connected to second and penetrates
Frequency signal and third feed point are connected to ground signalling, wherein connection type can equally be switched to six kinds.
In conjunction with Fig. 6 to 10 it is found that antenna can be made to generate not by control three-phase switching switch in different connection status
With the resonance of frequency range, by the way that wider frequency can be covered after combination.
The technical scheme of the present invention has been explained in detail above with reference to the attached drawings, it is contemplated that how to design a kind of day in the related technology
The technical issues of communication requirement of the line handover scheme to realize multiband, the invention proposes a kind of new antenna switching scheme,
The multiple feed points for switching switch, multiple terminals of fixing end and selection end by the way that three-phase is arranged in antenna switching component, are realized
The multiple combinations connection type of fixing end and selection end, and then multiple groups resonant state is obtained, to meet single resonance can not cover
The bandwidth demand of lid.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of antenna switching component, the side of the antenna switching component is connected to the antenna sheet for being used for transmission radiofrequency signal
The other side of body, the antenna switching component is connected to radio frequency processing module, which is characterized in that the antenna switching component packet
It includes：
Three-phase switching switch；
Fixing end and selection end, first terminal and Second terminal in the fixing end are grounded, the third in the fixing end
Terminal is connected to the radio frequency processing module, the selection end be connected to the first feed point of the antenna body, the second feed point and
Third feed point, the first end, the second end and any terminal and first feed point, described second in the third end
Any feed point in feed point and the third feed point passes through three-phase switching switch connection.
2. antenna switching component according to claim 1, which is characterized in that further include：
Impedance matching module is connected between the selection end and the antenna body, and the impedance matching module includes first
Impedance matching unit, the second impedance matching unit and third impedance matching unit,
Wherein, first impedance matching unit is connected between first feed point and the antenna body, second resistance
Anti- matching unit is connected between second feed point and the antenna body, and the third impedance matching unit is connected to described
Between third feed point and the antenna body.
3. a kind of switching method is suitable for antenna switching component as claimed in claim 1 or 2, which is characterized in that the switching
Method includes：
The connection status of the three-phase switching switch of the antenna switching component is determined according to radiofrequency signal to be transmitted.
4. switching method according to claim 3, which is characterized in that determine the antenna according to radiofrequency signal to be transmitted
The connection status of the three-phase switching switch of changeover module, specifically includes following state：
Parse the working frequency range of the radiofrequency signal；
Determine resonance band belonging to the working frequency range；
According to the corresponding relationship of the resonance band and default connection type, the connection type of the three-phase switching switch is determined,
Fixing end and the selection end of the antenna switching component are connected to control the three-phase switching switch with the default connection type.
5. switching method according to claim 4, which is characterized in that determining the day according to radiofrequency signal to be transmitted
Before the connection status of the three-phase switching switch of line changeover module, further include：
Determine six kinds of default connections that three in the fixing end terminals are connect one by one with three feed points in the selection end
Mode；
It calculates under six kinds of default connection types, six resonance bands of the antenna switching component；
Store the one-to-one relationship of six resonance bands Yu six kinds of default connection types.
6. a kind of switching system is suitable for antenna switching component as claimed in claim 1 or 2, which is characterized in that the switching
System includes：
Switch unit, for determining that the three-phase of the antenna switching component switches the connection of switch according to radiofrequency signal to be transmitted
State.
7. switching system according to claim 6, which is characterized in that the switch unit further includes：
Resolution unit, for parsing the working frequency range of the radiofrequency signal；
Determination unit, for determining resonance band belonging to the working frequency range；
The determination unit is also used to：According to the corresponding relationship of the resonance band and default connection type, the three-phase is determined
Switch the connection type of switch, connects the antenna switch groups to control the three-phase switching switch with the default connection type
The fixing end of part and selection end.
8. switching system according to claim 7, which is characterized in that
The determination unit is also used to：Determine three terminals in the fixing end with three feed points in the selection end one by one
Six kinds of default connection types of connection；
The switching system further includes：
Computing unit, for calculating under six kinds of default connection types, six resonance bands of the antenna switching component；
Storage unit, for storing the one-to-one relationship of six resonance bands Yu six kinds of default connection types.
9. a kind of antenna, which is characterized in that including, antenna switching component as claimed in claim 1 or 2, and/or as right is wanted
Switching system described in asking any one of 6 to 8.
10. a kind of mobile terminal, which is characterized in that including：Antenna as claimed in claim 9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610046317.8A CN105633555B (en) | 2016-01-25 | 2016-01-25 | Antenna switching component, switching method, switching system, antenna and mobile terminal |
| PCT/CN2016/074841 WO2017128480A1 (en) | 2016-01-25 | 2016-02-29 | Antenna switching assembly, switching method, switching system, antenna, and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610046317.8A CN105633555B (en) | 2016-01-25 | 2016-01-25 | Antenna switching component, switching method, switching system, antenna and mobile terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105633555A CN105633555A (en) | 2016-06-01 |
| CN105633555B true CN105633555B (en) | 2018-11-30 |
Family
ID=56048249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610046317.8A Active CN105633555B (en) | 2016-01-25 | 2016-01-25 | Antenna switching component, switching method, switching system, antenna and mobile terminal |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105633555B (en) |
| WO (1) | WO2017128480A1 (en) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107959120B (en) * | 2016-10-17 | 2020-07-10 | 比亚迪股份有限公司 | Reconfigurable antenna and mobile terminal |
| CN106789875B (en) * | 2016-11-15 | 2019-07-02 | 深圳市新国都支付技术有限公司 | A kind of block chain service unit, block chain service system and its communication means |
| CN108063307B (en) * | 2017-12-14 | 2020-04-21 | Oppo广东移动通信有限公司 | Antenna tuning circuit and mobile terminal |
| CN108110423B (en) * | 2017-12-14 | 2020-03-10 | Oppo广东移动通信有限公司 | Antenna tuning circuit, antenna device and mobile terminal |
| CN108183331B (en) * | 2017-12-14 | 2020-12-01 | Oppo广东移动通信有限公司 | Antenna tuning circuit, antenna device and mobile terminal |
| CN108134202B (en) * | 2017-12-14 | 2020-03-10 | Oppo广东移动通信有限公司 | Antenna tuning circuit and mobile terminal |
| TWI680611B (en) * | 2018-06-01 | 2019-12-21 | 詠業科技股份有限公司 | Multi-frequency antenna device |
| CN108879116B (en) * | 2018-06-25 | 2021-06-18 | 维沃移动通信有限公司 | Antenna system and terminal |
| CN109149134B (en) * | 2018-08-20 | 2020-11-24 | 深圳市万普拉斯科技有限公司 | Mobile terminal and switching method of antenna system |
| CN110875763A (en) * | 2018-08-31 | 2020-03-10 | 华为技术有限公司 | Communication feed point determining method and communication equipment |
| CN108958013A (en) * | 2018-09-13 | 2018-12-07 | 广东小天才科技有限公司 | A kind of smartwatch and control method with double-antenna structure |
| KR102597392B1 (en) * | 2019-02-28 | 2023-11-03 | 삼성전자주식회사 | Antenna module supporting dual bands and electronic device including the same |
| CN111092295B (en) * | 2019-12-16 | 2023-04-07 | 闻泰通讯股份有限公司 | Antenna, antenna adjusting method, terminal and storage medium |
| CN113098150B (en) * | 2019-12-23 | 2022-09-27 | 苏州能讯高能半导体有限公司 | Energy conversion system and method |
| CN112103623A (en) * | 2020-09-10 | 2020-12-18 | 惠州Tcl移动通信有限公司 | Multi-feed-point antenna and mobile terminal thereof |
| CN113690577B (en) * | 2021-08-31 | 2023-07-07 | 维沃移动通信（杭州）有限公司 | Wearing equipment and control method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1894835A (en) * | 2003-11-07 | 2007-01-10 | Abb技术股份公司 | Medium voltage switchgear |
| CN201878337U (en) * | 2010-09-16 | 2011-06-22 | 东莞宇龙通信科技有限公司 | Dual mode mobile terminal |
| CN203491382U (en) * | 2013-06-25 | 2014-03-19 | 中兴通讯股份有限公司 | Antenna, antenna device and terminal |
| WO2014210348A1 (en) * | 2013-06-26 | 2014-12-31 | Cavendish Kinetics, Inc | Antenna efficiency enhancement by active detuning of diversity antenna |
| CN104425892A (en) * | 2013-08-22 | 2015-03-18 | 深圳富泰宏精密工业有限公司 | Adjustable antenna device and wireless communication apparatus with same |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8000737B2 (en) * | 2004-10-15 | 2011-08-16 | Sky Cross, Inc. | Methods and apparatuses for adaptively controlling antenna parameters to enhance efficiency and maintain antenna size compactness |
| CN103872457B (en) * | 2012-12-10 | 2016-10-05 | 联想(北京)有限公司 | A kind of antenna module, electronic equipment and changing method |
-
2016
- 2016-01-25 CN CN201610046317.8A patent/CN105633555B/en active Active
- 2016-02-29 WO PCT/CN2016/074841 patent/WO2017128480A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1894835A (en) * | 2003-11-07 | 2007-01-10 | Abb技术股份公司 | Medium voltage switchgear |
| CN201878337U (en) * | 2010-09-16 | 2011-06-22 | 东莞宇龙通信科技有限公司 | Dual mode mobile terminal |
| CN203491382U (en) * | 2013-06-25 | 2014-03-19 | 中兴通讯股份有限公司 | Antenna, antenna device and terminal |
| WO2014210348A1 (en) * | 2013-06-26 | 2014-12-31 | Cavendish Kinetics, Inc | Antenna efficiency enhancement by active detuning of diversity antenna |
| CN104425892A (en) * | 2013-08-22 | 2015-03-18 | 深圳富泰宏精密工业有限公司 | Adjustable antenna device and wireless communication apparatus with same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105633555A (en) | 2016-06-01 |
| WO2017128480A1 (en) | 2017-08-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105633555B (en) | Antenna switching component, switching method, switching system, antenna and mobile terminal | |
| US11431088B2 (en) | Antenna and mobile terminal | |
| CN106252880B (en) | Antenna assembly and mobile terminal | |
| CN105390801B (en) | The antenna structure and mobile terminal of mobile terminal | |
| US9356356B2 (en) | Tunable slot antenna | |
| EP2770579B1 (en) | Multi-frequency antenna feed matching device, multi-frequency antenna, and wireless communication apparatus | |
| TWI538305B (en) | Antennas with multiple feed circuits | |
| CN107799909A (en) | Antenna structure and the radio communication device with the antenna structure | |
| CN202759016U (en) | Tunable coupling feed antenna system | |
| TWI426746B (en) | Radio-frequency processing device and method and related wireless communication device | |
| CN108134202A (en) | Antenna tuning circuit and mobile terminal | |
| EP2851997A1 (en) | Printed circuit board antenna and printed circuit board | |
| US9236657B2 (en) | Antenna device and matching circuit module for antenna device | |
| CN108110423A (en) | Antenna tuning circuit, antenna assembly and mobile terminal | |
| CN104579221A (en) | High frequency circuit module | |
| CN104810621A (en) | Adjustable antenna | |
| Albannay et al. | Dual-frequency decoupling for two distinct antennas | |
| CN104993235A (en) | Antenna apparatus and electronic equipment | |
| CN208623677U (en) | Antenna system | |
| CN207116703U (en) | Antenna system and mobile terminal | |
| CN107359419A (en) | Antenna system and mobile terminal | |
| US10305169B2 (en) | Antenna apparatus and terminal | |
| US20130005288A1 (en) | Circuit for Impedance Matching | |
| US10056936B2 (en) | Front end circuit and communication apparatus | |
| EP4002589A1 (en) | An antenna system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |