CN107317111A - Antenna structure and mobile communication equipment in a kind of mobile communication equipment - Google Patents
Antenna structure and mobile communication equipment in a kind of mobile communication equipment Download PDFInfo
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- CN107317111A CN107317111A CN201710510272.XA CN201710510272A CN107317111A CN 107317111 A CN107317111 A CN 107317111A CN 201710510272 A CN201710510272 A CN 201710510272A CN 107317111 A CN107317111 A CN 107317111A
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- low frequency
- antenna
- tuning device
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- communication equipment
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/10—Resonant antennas
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/30—Arrangements for providing operation on different wavebands
- H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
- H01Q5/314—Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors
- H01Q5/321—Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors within a radiating element or between connected radiating elements
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Abstract
The invention discloses the antenna structure in a kind of mobile communication equipment and mobile communication equipment, the antenna headroom space to solve current mobile communication equipment is relatively fixed, the problem of causing the low frequency operation bandwidth of antenna and can not be adjusted.The antenna that the present invention is provided includes antenna and tuner module, and tuner module includes including at least one tuning device in switch element and at least one tuning device group, each tuning device group；A tuning device group at least one tuning device group is connected by switch element with one end of the low frequency branch of antenna, wherein, when different tuning device groups is connected with low frequency branch, the resonant frequency of generation is different.The resonant frequency of the low frequency branch of antenna is different when being connected due to different tuning device groups from low frequency branch, by changing it is connected to the tuning device group of low frequency branch and can changes the low-frequency band bandwidth of antenna, it is to avoid causes the problem of antenna low frequency bandwidth can not be adjusted because the empty regions of mobile communication equipment are relatively fixed.
Description
Technical field
The present invention relates to communication technical field, antenna structure and mobile communication in more particularly to a kind of mobile communication equipment
Equipment.
Background technology
In current mobile communication equipment, the part such as display screen and/or battery cover is often made up of metal material, and is not had
Have and antenna holder is provided with by plated subregion, region shared by antenna holder is the empty regions of antenna, wherein antenna
Empty regions widths affect antenna low-frequency band bandwidth, for example, the plastic portions for the metal back cover mobile phone being typically designed
13mm need to be more than, to meet the low-frequency band bandwidth requirement from 824MHz to 2690MHz, antenna headroom peak width need to be more than
7.8mm.Table 1 show current radio communication standard and corresponding band bandwidth.
Table 1
Because the peak width in antenna headroom space influences the band bandwidth of antenna low frequency radiation, relatively-stationary antenna is net
Absolutely empty causes antenna low frequency bandwidth to can only operate in relatively-stationary frequency band and can not be adjusted, it is impossible to meet mobile communication
The domestic the whole networks of the current 824MHz-2690MHz of equipment lead to the bandwidth requirement of different frequency range.
To sum up, the antenna headroom space of current mobile communication equipment is relatively fixed, cause the low frequency operation bandwidth of antenna without
Method is adjusted.
The content of the invention
The present invention provides the antenna structure and mobile communication equipment in a kind of mobile communication equipment, to solve prior art
Present in the antenna headroom space of mobile communication equipment be relatively fixed, causing the low frequency operation bandwidth of antenna can not be adjusted
The problem of.
Antenna structure in a kind of mobile communication equipment provided in an embodiment of the present invention, including antenna and tuner module, day
Line includes high-frequency branch and low frequency branch, and tuner module includes switch element and at least one tuning device group, each tuner
Include at least one tuning device in part group；
A tuning device group at least one tuning device group passes through remote high frequency in switch element and low frequency branch
One end of branch is connected, wherein, when different tuning device groups is connected with low frequency branch, the resonant frequency of generation is different.
Alternatively, tuner module also include control unit, for according to target resonance frequency controlling switch element connection with
Path between the corresponding tuning device group of target resonance frequency and low frequency branch.
Alternatively, antenna structure also includes connecting element, for connecting tuner module and low frequency branch.
Alternatively, connecting element is shell fragment or switch.
Alternatively, the type of the tuning device in each tuning device group and/or quantity are different.
Alternatively, the type of tuning device includes：Inductance, resistance and electric capacity.
Alternatively, low frequency branch wrapping portion high-frequency branch.
A kind of mobile communication equipment provided in an embodiment of the present invention, including antenna structure provided in an embodiment of the present invention.
Alternatively, the antenna headroom region in mobile communication equipment is less than predetermined threshold value.
Alternatively, predetermined threshold value is 7.8mm.
Tuner in antenna structure in a kind of mobile communication equipment provided according to embodiments of the present invention, tuner module
Part group can be connected by switch element with one end away from high-frequency branch in low frequency branch, so as to change the low frequency branch of antenna
Resonant frequency, and when different tuning device groups is connected with low frequency branch the low frequency branch of antenna resonant frequency not
Together, the tuning device group for low frequency branch being connected to by changing can change the low-frequency band bandwidth of antenna, so as in day
In the case that line empty regions width is constant cause low frequency branch band bandwidth change, therefore, it is possible to can avoid due to
The empty regions of mobile communication equipment are relatively fixed the problem of antenna low frequency bandwidth caused can not be adjusted.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, makes required in being described below to embodiment
Accompanying drawing is briefly introduced, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for this
For the those of ordinary skill in field, without having to pay creative labor, it can also be obtained according to these accompanying drawings
His accompanying drawing.
Fig. 1 be a kind of mobile communication equipment provided in an embodiment of the present invention in antenna structure structural representation (one)；
Fig. 2 is a kind of mobile phone metallic region and plastic cement area distribution schematic diagram；
Fig. 3 be a kind of mobile communication equipment provided in an embodiment of the present invention in antenna structure structural representation (two)；
Fig. 4 is the CURRENT DISTRIBUTION schematic diagram (one) in antenna structure provided in an embodiment of the present invention；
Fig. 5 is the CURRENT DISTRIBUTION schematic diagram (two) in antenna structure provided in an embodiment of the present invention；
Fig. 6 be a kind of mobile communication equipment provided in an embodiment of the present invention in antenna structure structural representation (three)；
Fig. 7 is the antenna structure S22 performances schematic diagram (one) in a kind of mobile communication equipment provided in an embodiment of the present invention；
Fig. 8 is the antenna structure S22 performances schematic diagram (two) in a kind of mobile communication equipment provided in an embodiment of the present invention.
Embodiment
In order that the object, technical solutions and advantages of the present invention are clearer, below in conjunction with accompanying drawing the present invention is made into
One step it is described in detail, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole implementation
Example.Based on the embodiment in the present invention, what those of ordinary skill in the art were obtained under the premise of creative work is not made
All other embodiment, belongs to the scope of protection of the invention.
Illustrate the antenna structure in a kind of mobile communication equipment that the present invention is provided, including antenna 101 and tuning with Fig. 1
Module 102, antenna 101 includes high-frequency branch 106 and low frequency branch 105, and tuner module 102 is including switch element 103 and at least
Include at least one tuning device in one tuning device group 104, each tuning device group 104；
A tuning device group at least one tuning device group 104 passes through in switch element 103 and low frequency branch 105
One end away from high-frequency branch 106 is connected, wherein, when different tuning device groups 104 is connected with low frequency branch 105, produce
Resonant frequency it is different.
In the embodiment of the present invention, due to the tuning device group 104 in tuner module 102 can by switch element 103 with
One end away from high-frequency branch 106 is connected in low frequency branch 105, so as to change the resonance frequency of the low frequency branch 105 of antenna 101
Rate, and when different tuning device groups 104 is connected with low frequency branch 105 low frequency branch 105 of antenna 101 resonant frequency
Change, the tuning device group 104 of low frequency branch is connected to by changing can change the low-frequency band bandwidth of antenna, so that
In the case where antenna headroom peak width is constant the band bandwidth of low frequency branch can be changed, therefore, it is possible to avoid
Because the empty regions of mobile communication equipment are relatively fixed the problem of antenna low frequency bandwidth caused can not be adjusted.
It is used for the tuning device group 104 for changing the tuned frequency of low frequency branch in the embodiment of the present invention, in tuner module 102
Can have multiple, when different tuning device groups 104 is connected with low frequency branch 105, the resonant frequency of generation is different.For example,
The different inductance of multiple inductance values is set in same tuner module respectively as a tuning device group 104, wherein each inductance
The resonant frequency of low frequency branch 105 is different when being connected from low frequency branch, can select what is be connected with low frequency branch 105 as needed
Tuning device group 104, and then low frequency branch can be made to be operated in multiple low frequency bands.
In addition, in the design of existing mobile communication equipment, in order to improve metallic region accounting to cause communication
Equipment seems more high-end and atmospheric, and the installation space reserved by antenna is less and less, such as shown in Fig. 2, in order to increase metal
The area in region 201 (including display screen area), the width 204 in the plastic cement region 202 of mobile phone is only 8mm, the headroom of its antenna
Area (region shared by antenna holder 203) width 205 is only 6.5mm, because headroom sector width 205 reduces, is arranged at the region
Antenna structure can not meet the low frequency bandwidth demand of full frequency band.
In the embodiment of the present invention, because tuning device group 104 changes low frequency branch when being connected with low frequency branch 105
105 resonant frequency, the bandwidth of operation of low frequency branch 105 must extend, therefore the antenna structure in the application can be relatively
The radiation of wider bandwidth is realized in small antenna headroom region, and the bandwidth of operation of antenna is extended.
For example, can be using 2.7nH (nanohenry) inductance and 0 Ω (ohm) resistance as different tuners
Part group 104 is placed in tuner module simultaneously, and therefrom selection is connected to the tuning device group 104 of low frequency branch as needed, its
If in tuning device group 104 be 2.7nH inductance, antenna low frequency branch can realize low frequency B5 radiate；If tuning device group 104
It is 0 Ω resistance, antenna low frequency branch can realize that low frequency B8 is radiated.
Antenna in the embodiment of the present invention can be used for mobile phone, tablet personal computer, intelligent electric appliance or other mobile communication and set
In standby, what the low frequency bandwidth caused to solve above-mentioned mobile communication equipment because antenna headroom region is relatively fixed can not be adjusted
Problem.
Alternatively, the type of the tuning device in each tuning device group and/or quantity are different
In the embodiment of the present invention, tuning device group can be set in the following way：Tuning in each tuning device group
The type and/or quantity of device are different.The tuned frequency and tune of low frequency branch when being connected due to tuning device group with low frequency branch
The type and/or quantity of tuning device in humorous device group are related, different in species difference, the tuning device quantity of tuning device
Or in the case of the type and quantity of tuning device all differences, the tune of low frequency branch when tuning device group is connected with low frequency branch
Harmonics rate is different, therefore can cause different tuning device groups when being connected respectively with low frequency branch by this setup
The tuned frequency of low frequency branch is different.
Alternatively, the type of tuning device includes：Inductance, resistance and electric capacity.
In the embodiment of the present invention, the tuning device in tuning device group can be inductance, resistance or electric capacity.Tuning device
Group can also be made up of multiple species in the tuning device of mentioned kind.
Alternatively, tuner module also include control unit, for according to target resonance frequency controlling switch element connection with
Path between the corresponding tuning device group of target resonance frequency and low frequency branch.
In the embodiment of the present invention, the switch element in tuner module can be controlled to connect or disconnect in several ways and adjusted
The path between tuning device and low frequency branch in humorous device group, for example, manually connecting or disconnecting tuner
The path between tuning device and low frequency branch in part group；Can also be humorous according to target by the control unit in tuner module
Vibration frequency controlling switch element connects the path between corresponding with target resonance frequency tuning device group and low frequency branch, wherein
Target resonance frequency is the corresponding resonant frequency of working frequency range of antenna low frequency branch, when antenna low frequency branch is in different works
Make frequency range, the target resonance frequency of low frequency branch changes.
In the embodiment of the present invention, it may be predetermined that the corresponding relation of tuning device group and low frequency branch resonant frequency, example
The mapping table of tuning device group and low frequency branch resonant frequency as shown in preset table 2, it is determined that the low frequency branch of antenna
After resonant frequency, the path between corresponding tuning device group and low frequency branch is connected by control unit.Wherein, tuning device
Group and the mapping table of low frequency branch resonant frequency can also the species including the tuning device in tuning device group, quantity and
The contents such as connected mode.
Table 2
For example, it is determined that antenna low frequency branch resonant frequency be low frequency branch resonance frequency C after, control unit control open
The path between element connection tuning device group C and low frequency branch is closed, wherein tuning device group C includes resistance C.
In the embodiment of the present invention, determine that target is humorous according to the corresponding communication band bandwidth of the network function of mobile communication equipment
Vibration frequency, wherein, according to table 1, domestic existing low frequency standard mainly corresponds to B5 and B8 frequency ranges, intermediate-frequency band correspondence B2, B3, B1,
Needs during network service are called or carried out to B39 and B34, high-frequency band correspondence B38, B40 and B41, mobile communication equipment
The frequency range corresponding to the network formats that phonecard is supported is operated in, therefore can be propped up according to the phonecard of mobile communication equipment
The network formats held determine target resonance frequency.
For example, if user is made a phone call using China Telecom's phonecard, its network formats is CDMA BC0, then basis
Table 1, mobile communication equipment would operate in B5 frequency ranges, now regard B5 frequency ranges as target resonance frequency；When same mobile communication
Equipment is made a phone call using China Mobile's phonecard, then its network formats is GSM900, then according to table 1, and mobile communication equipment is by work
Make in B8 frequency ranges, target resonance frequency now is changed to B8 by B5.
Alternatively, antenna structure also includes connecting element, for connecting tuner module and low frequency branch.
In the embodiment of the present invention, tuner module and low frequency branch can be connected by connecting element.
Alternatively, connecting element is shell fragment or switch.
In the embodiment of the present invention, the connecting element for connecting tuner module and low frequency branch can be shell fragment or switch,
Wherein, shell fragment is used to be continuously connected with tuner module and low frequency branch, switchs for connecting or disconnecting tuner module and low frequency point
The connection of branch.
If connecting element is switch, connecting element can be used for disconnecting the connection between tuner module and low frequency branch.
If disconnecting the connection between tuner module and low frequency branch so that the electricity in the impedance increase of antenna low frequency branch, low frequency branch
Stream more focuses on antenna high-frequency branch, and the radiation efficiency of high-frequency branch is improved.Wherein it is possible to manually or
Person is by closure or opening of the switch control module control in mobile communication equipment as the switch of connecting element, to realize
Adjustment to the radiation efficiency of antenna high-frequency branch, for example, when mobile communication equipment needs to realize high-frequency communication, controlling switch
The path between tuned cell and low frequency branch is disconnected, to improve the radiation efficiency of high-frequency branch.
Alternatively, low frequency branch wrapping portion high-frequency branch.
In the embodiment of the present invention, the antenna arrangement of low frequency branch wrapping portion high-frequency branch can be used, to improve antenna
The radiation efficiency of low frequency branch, improves the frequency communication quality under Low emissivity.
As shown in figure 3, the antenna structure in a kind of mobile communication equipment provided in an embodiment of the present invention includes the He of antenna 301
Tuner module 302, wherein, antenna 301 is set using following methods：Low frequency branch 303 wraps up the partial-length of high-frequency branch 304
L is between 20mm~25mm, and width D is between 4.5mm~5mm, the wrapping antenna holder of low frequency branch 303, low frequency branch 303
Length be about low frequency 1/2nd wavelength, i.e., length is between 78mm~91mm；Tuner module 302 includes the first tuner
Part group 306, second tune device group 307, switch element 308 and control unit 309, antenna 301 also include connecting element 310,
Wherein, connecting element 310 is used to connect tuner module 302 and the high-frequency branch 304 of the remote antenna 301 of low frequency branch 303
One end, control unit 310 is used for controlling switch element 308 and connects logical between the first tuning device group 306 and low frequency branch 303
Road connects the path between second tune device group 307 and low frequency branch 303 for controlling switch element 308；301 pairs of antenna
The radio-frequency power supply 305 answered can be connected with one end of the close high-frequency branch 304 of low frequency branch 303.
In the embodiment of the present invention, the first tuning device group 306 can be 2.7nH inductance, when control unit 309 passes through
Switch element 308 can realize that low frequency B5 is radiated when connecting the path between the first tuning device group 306 and low frequency branch 303；
In addition, second tune device group 307 can be 0 Ω resistance, when control unit 309 is adjusted by the connection of switch element 308 second
It can realize that low frequency B8 is radiated during path between humorous device group 307 and low frequency branch 303.
Alternatively, in the case where switch element connection low frequency branch is with tuning device group, if tuning device group is grounded,
Low frequency branch is in ground state, in antenna electric current is by concentrated vectoring tremendously low frequency branch and flows into ground wire, according to electromagnetic radiation
Characteristic, now the radiation efficiency of CURRENT DISTRIBUTION more intensive low frequency branch be improved, be conducive to improving the low frequency of antenna
Communication performance.
For example shown in Fig. 4, if tuner module 401 passes through the remote day of connecting element 406 and the low frequency branch 406 of antenna
One end of the high-frequency branch 407 of line is connected, the first tuning device group 402 and second tune device wherein in tuner module 401
Part group 403 is grounded, and the tuning device group 402 of switch element 404 first or second tune device group 403 and the low frequency branch of antenna
Path between 405, the electric current sent by radio-frequency power supply 408 can by concentrated vectoring tremendously low frequency branch 405, low frequency branch 405
Radiation efficiency is enhanced.
If in addition, by the connection switched off between tuned cell and the low frequency branch of antenna as connecting element,
The current density in the high-frequency branch of antenna can be improved, so as to improve the radiation efficiency of high-frequency branch.
For example shown in Fig. 5, the first tuning device group 502 and second tune device group 503 in tuner module 501 are grounded,
Tuner module 501 also includes switch element 504, if connecting element 506 is switch, and connecting element 506 disconnects tuner module 501
With the path between low frequency branch 505, then the electric current sent by radio-frequency power supply 508 can be distributed in low frequency branch 505 and high frequency division
Branch 507, wherein, due to the impedance increase of low frequency branch 505, the electric current that high-frequency branch 507 is got does not have compared to low frequency branch
There is by connecting element electric current during with tuner module increased, so as to improve the radiation efficiency of high-frequency branch 507.Cause
This, disconnection and closure of the antenna structure by the switch as connecting element 506 in the embodiment of the present invention can change antenna
The radiation efficiency of high-frequency branch.
Control unit in the embodiment of the present invention can know the bandwidth of operation of communication equipment, and know communication equipment
After bandwidth of operation, a width of high frequency bandwidth of work at present band is judged or for low frequency bandwidth.Wherein, control unit can be obtained with itself
The bandwidth of operation of communication equipment, for example, communication equipment can know the network when accessing a certain network by control unit
Bandwidth of operation, communication equipment works after the network is accessed under corresponding bandwidth, and control unit is it is possible thereby to know that communication is set
The bandwidth of standby work at present；Control unit in the embodiment of the present invention can also obtain communication from other modules in communication equipment
The bandwidth of operation of equipment, for example, control unit obtains the work band of communication equipment currently at the CPU for determining bandwidth of operation
It is wide.If it is low frequency bandwidth (be, for example, B5 or B8) that control unit, which judges the bandwidth of operation of communication equipment, control unit can be with
Further selection needs the tuning device group connected from least one tuning device group.
Alternatively, switch element is that piece selects chip；Control unit is CPU (Central Processing Unit, center
Processor).
In the embodiment of the present invention, switch element can use piece to select chip, i.e., can realize the chip of switching function, control
Unit can use CPU.
If selecting chip 601 as shown in fig. 6, switch element is piece, control unit is CPU602, then CPU602 passes through signal
Line selects CTL (Control, control) pin of chip 601 to be connected with piece, for selecting chip 601 to connect by control signal control sheet
Logical path between first tuning device group 603 and low frequency branch 605, or connection second tune device group 604 and antenna 608
Low frequency branch 605 between path, connecting element 606 is used for the remote high frequency for connecting tuner module 609 and low frequency branch 605
One end of branch 607.
In addition as shown in fig. 6, the piece used in upper example selects chip 601 to use mode arranged below：Piece selects chip 601
RF (Radio Frequency, radio frequency) 1 pin connection ground connection the first tuning device group 603；RF2 pins connection ground connection
Second tune device group 604；RF IN (Radio Frequency In, radio frequency input) pin is used to connect and low frequency branch phase
The radiofrequency signal of connecting element 606 even and reception antenna low frequency branch；CTL pins are used for the control signal for receiving CPU602,
Piece selects chip 601 to connect the path between the first tuning device group 603 and low frequency branch 605 according to control signal or connects the
Path between two tuning device groups 604 and low frequency branch 605；EN (Enable is enabled) pin is used to receive EN and enable to believe
Number；VDD (supply voltage) pin is used to connect supply voltage；GND (Ground, ground connection) -2 and GND-6 pins ground connection.Wherein
EN signals can be the control signal that enabling unit is sent, and chip 601 is selected after effective enable signal is received for control sheet
Connected according to the control signal of control unit or disconnect the path between tuning device group and low frequency branch, if desired made all the time
With switch element, then need effectively to enable signal all the time in the access of EN pins.
In piece as shown in Figure 6 selects chip 601, CTL signals are sent by CPU602, wherein, CPU602 can according to
Lower method sends control signal：If CPU602 determines to need the tuning device group connected to be the first tuning according to target tuning frequency
Device group 603, then CPU602 send represent connection the first tuning device group 603 and low frequency branch 605 between path control
Signal, so that piece selects chip 601 to be connected after receiving the control signal between the first tuning device group 603 and low frequency branch 605
Path, now the radiation efficiency of low frequency branch is because the first tuning device group 603 is grounded and is improved；
If CPU602 determines to need the tuning device group connected to be second tune device group 604 according to target tuning frequency,
Then CPU602 sends the control signal for representing the path between connection second tune device group 604 and low frequency branch 605, so that piece
Chip 601 is selected to receive the path after the control signal between connection second tune device group 604 and low frequency branch 605, it is now low
The radiation efficiency of frequency division branch is because second tune device group 604 is grounded and is improved；
If in addition, connecting element 606 is switch, and switching off the company between tuner module 609 and low frequency branch 605
Connect, then low frequency branch 605 is in open-circuit condition, impedance increase, the current density increase of high-frequency branch 607, so as to improve high frequency
The radiation efficiency of branch 607.
In the embodiment of the present invention, if the first tuning device group 603 is 2.7nH inductance, antenna structure as shown in Figure 6 exists
In the case that piece selects the path between the first tuning device group 603 of connection of chip 601 and low frequency branch 605, low frequency can be realized
The B5 radiation of branch, its low frequency standing wave test design sketch as shown in fig. 7, be in 824MHz antenna output return loss (S22)
7.1804dB, is 7.5064dB in 894MHz antenna output return loss；If second tune device group 604 is 0 Ω resistance,
In the case where piece selects chip 601 to connect the path between second tune device group 604 and low frequency branch 605, it can realize low
The B8 radiation of frequency division branch, its low frequency standing wave test design sketch as shown in figure 8, be in 880MHz antenna output return loss
9.8795dB, is -3.6037dB in 960MHz antenna output return loss.
In the embodiment of the present invention, the width D of the antenna structure as shown in Fig. 3 or Fig. 6 can be limited in 4.5mm~5mm it
Between, therefore, it is possible to meet the design needs of mobile communication equipment of the antenna headroom peak width less than or equal to 7.8mm, and
Antenna structure provided in an embodiment of the present invention can realize that low frequency B5 and B8 are radiated, and disclosure satisfy that 824MHz-2690MHz is domestic
The bandwidth requirement of the whole network passband section.
Based on same inventive concept, the embodiment of the present invention additionally provides a kind of mobile communication equipment.Due to the mobile communication
The principle that equipment solves problem is similar to the antenna structure embodiment of the present invention, therefore the implementation of the mobile communication equipment can be joined
See the implementation of inventive antenna structure, repeat part and do not repeating.
A kind of mobile communication equipment provided in an embodiment of the present invention, including the antenna structure in the embodiment of the present invention.
The antenna structure included by mobile communication equipment provided due to the present invention can make tuning device group pass through switch
Element is connected with one end away from high-frequency branch in low frequency branch, so that change the resonant frequency of the low frequency branch of antenna, and
When different tuning device groups is connected with low frequency branch, the resonant frequency of the low frequency branch of antenna is different, therefore by changing
The low-frequency band bandwidth of antenna can be changed by being connected to the tuning device group of low frequency branch, so as to wide in antenna headroom region
In the case that degree is constant the band bandwidth of low frequency branch is changed, therefore mobile communication provided in an embodiment of the present invention is set
It is standby to avoid because empty regions are relatively fixed the problem of antenna low frequency bandwidth caused can not be adjusted.
Alternatively, the antenna headroom region in mobile communication equipment is less than predetermined threshold value.
In the embodiment of the present invention, the width in the antenna headroom region of mobile communication equipment is less than predetermined threshold value.Due to this hair
Antenna structure in bright embodiment can play extension effect, therefore the embodiment of the present invention to the resonant frequency of antenna low frequency branch
Mobile communication equipment 824MHz-2690MHz can be realized by antenna structure when antenna headroom region is less than predetermined threshold value
The bandwidth radiation of domestic the whole network passband section.
For example, the mobile communication equipment in the embodiment of the present invention includes antenna structure as shown in Figure 6, if first adjusts
Humorous device group 306 is 2.7nH inductance, when control unit 309 by first tuning device group 306 of the connection of switch element 308 with
During path between low frequency branch 303, the antenna structure shown in Fig. 3 can realize that low frequency B5 is radiated；If second tune device group
307 can also be 0 Ω resistance, when control unit 309 passes through the connection second tune device of switch element 308 group 307 and low frequency
It can realize that low frequency B8 is radiated during path between branch 303.
In upper example, the overall width of antenna structure can be controlled between 4.5mm~5mm, had therefore, it is possible to meet
The requirement of the mobile communication equipment in the antenna headroom region of predetermined threshold value width.
Alternatively, predetermined threshold value is 7.8mm.
In the embodiment of the present invention, can realize the width of the antenna structure of low frequency B5 and/or B8 radiation can control
Between 4.5mm~5mm, therefore, it is possible to meet the antenna headroom region with predetermined threshold value width mobile communication equipment will
Ask, wherein predetermined threshold value can be 7.8mm.
Obviously, those skilled in the art can carry out the essence of various changes and modification without departing from the present invention to the present invention
God and scope.So, if these modifications and variations of the present invention belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising including these changes and modification.
Claims (10)
1. a kind of antenna structure in mobile communication equipment, it is characterised in that including antenna and tuner module, the antenna includes
High-frequency branch and low frequency branch, the tuner module include switch element and at least one tuning device group, each tuning device
Include at least one tuning device in group；
A tuning device group at least one described tuning device group by switch element with it is remote in the low frequency branch
One end of high-frequency branch is connected, wherein, when different tuning device groups is connected with low frequency branch, the resonant frequency of generation is not
Together.
2. antenna structure as claimed in claim 1, it is characterised in that the tuner module also includes control unit, for root
The switch element is controlled to connect tuning device group corresponding with the target resonance frequency and low frequency point according to target resonance frequency
Path between branch.
3. antenna structure as claimed in claim 1, it is characterised in that the antenna structure also includes connecting element, for even
Connect the tuner module and the low frequency branch.
4. antenna structure as claimed in claim 1, it is characterised in that the connecting element is shell fragment or switch.
5. antenna structure as claimed in claim 1, it is characterised in that the type of the tuning device in each tuning device group
And/or quantity is different.
6. antenna structure as claimed in claim 5, it is characterised in that the type of the tuning device includes：Inductance, resistance and
Electric capacity.
7. antenna structure as claimed in claim 1, it is characterised in that high-frequency branch described in the low frequency branch wrapping portion.
8. a kind of mobile communication equipment, it is characterised in that including the antenna structure as any one of claim 1-7.
9. mobile communication equipment as claimed in claim 8, it is characterised in that the antenna headroom area in the mobile communication equipment
Domain is less than predetermined threshold value.
10. mobile communication equipment as claimed in claim 9, it is characterised in that the predetermined threshold value is 7.8mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710510272.XA CN107317111A (en) | 2017-06-28 | 2017-06-28 | Antenna structure and mobile communication equipment in a kind of mobile communication equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710510272.XA CN107317111A (en) | 2017-06-28 | 2017-06-28 | Antenna structure and mobile communication equipment in a kind of mobile communication equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020168920A1 (en) * | 2019-02-18 | 2020-08-27 | 华为技术有限公司 | Tuning means, antenna apparatus and terminal device |
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| CN103346397A (en) * | 2013-06-21 | 2013-10-09 | 上海安费诺永亿通讯电子有限公司 | Multi-frequency antenna system applicable to mobile terminal with metal frame structure |
| CN104064865A (en) * | 2013-03-18 | 2014-09-24 | 苹果公司 | Tunable Antenna With Slot-based Parasitic Element |
| CN105742791A (en) * | 2014-11-28 | 2016-07-06 | 广达电脑股份有限公司 | Multi-frequency adjustable antenna structure |
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| GB2373637A (en) * | 2001-03-22 | 2002-09-25 | Ericsson Telefon Ab L M | Multi frequency band antenna |
| CN104064865A (en) * | 2013-03-18 | 2014-09-24 | 苹果公司 | Tunable Antenna With Slot-based Parasitic Element |
| CN103346397A (en) * | 2013-06-21 | 2013-10-09 | 上海安费诺永亿通讯电子有限公司 | Multi-frequency antenna system applicable to mobile terminal with metal frame structure |
| CN105742791A (en) * | 2014-11-28 | 2016-07-06 | 广达电脑股份有限公司 | Multi-frequency adjustable antenna structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2020168920A1 (en) * | 2019-02-18 | 2020-08-27 | 华为技术有限公司 | Tuning means, antenna apparatus and terminal device |
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Application publication date: 20171103 |