CN207652707U - A kind of mobile terminal - Google Patents
A kind of mobile terminal Download PDFInfo
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- CN207652707U CN207652707U CN201721451372.1U CN201721451372U CN207652707U CN 207652707 U CN207652707 U CN 207652707U CN 201721451372 U CN201721451372 U CN 201721451372U CN 207652707 U CN207652707 U CN 207652707U
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Abstract
The utility model discloses a kind of mobile terminals, are interfered with transmission signal when receiving adjacent frequency bands or overlapping with signal is received to solve the problem of to send frequency range.Including：First radio-frequency module and the second radio-frequency module include in each radio-frequency module：Antennal interface, FEMid, as further including in the first radio-frequency module or the second radio-frequency module of target radio frequency module：Bandstop filter；Bandstop filter is connect with target radio frequency mould target antenna interface in the block and target FEMid respectively, bandstop filter carries out trap processing to the radiofrequency signal of the default frequency range in the radiofrequency signal to be transmitted that receives, and default frequency range includes the first of the first radio-frequency module sending the mutual interference band that frequency range receives frequency range with the second of the second radio-frequency module.Since in the utility model embodiment, bandstop filter pair first sends the mutual interference band progress trap processing that frequency range receives frequency range with second, avoids transmission signal and receives the signal interference between signal.
Description
Technical field
The utility model is related to technical field of mobile terminals, more particularly to a kind of mobile terminal.
Background technology
With becoming increasingly popular for mobile terminal, requirement of the user to mobile terminal is higher and higher.Now many mobile ends
All support single-card double-standby (simultaneous GSM and LTE, SGLTE) or (Simultaneous Voice and in end
LTE, SVLTE), double-card dual-standby (Dual SIM dual standby, DSDS), double card bilateral (Dual SIM dual
Active, DSDA) etc. functions, need in mobile terminal that two radio-frequency modules are arranged, to realize the function of above-mentioned support.
The frequency range supported with mobile terminal increases, corresponding transmission (Transmit, TX) the frequency range model of two radio-frequency modules
Enclose and receive (Receive, RX) band limits, it will the case where generating adjacent or coincidence.For example, first radio-frequency module exists
Band39TX is corresponded to when transmission, band limits is 1880~1920M, and second radio-frequency module corresponds to Band3 when receiving
(DCS1800) RX, band limits are 1805~1880M, and the range of the two frequency range is adjacent, as Band39TX and Band3
(DCS1800) when RX is worked at the same time, send signal and receive signal between can noisy condition, cause send signal quality with
The quality for receiving signal drastically declines, and has seriously affected the use demand of user.
In order to ensure that send signal is not interfered with the signal quality for receiving signal, for supporting the shifting of double standby, bilateral
Dynamic terminal, signal mutual interference is a urgent problem to be solved.
Utility model content
The utility model embodiment discloses a kind of mobile terminal, to solve to send band limits in the prior art and connect
Receive band limits it is adjacent or overlap when, cause send signal with receive signal signal quality be interfered the problem of.
In order to achieve the above objectives, the utility model embodiment discloses a kind of mobile terminal, and the mobile terminal includes：The
One radio-frequency module and the second radio-frequency module include in each radio-frequency module：Antennal interface, FEMid, as target radio frequency module
The first radio-frequency module or the second radio-frequency module in further include：Bandstop filter；
The bandstop filter is connect with target radio frequency mould target antenna interface in the block and target FEMid respectively, described
Bandstop filter carries out trap processing to the radiofrequency signal of the default frequency range in the radiofrequency signal to be transmitted that receives, wherein
The default frequency range includes that the first transmission frequency range of the first radio-frequency module and the second of the second radio-frequency module receive the mutual dry of frequency range
Scramble section.
Further, the mobile terminal further includes：Processor；The target radio frequency module further includes：Switch unit；
The processor is connect with the switch unit, for determining that described first sends frequency range and second reception
When frequency range works at the same time, first control signal is sent to the switch unit；
The switch unit is connect with the target FEMid, the bandstop filter and the target antenna interface respectively,
The switch unit be used for when receiving the first control signal, by bandstop filter respectively with target FEMid and target
Antennal interface is connected to, and bandstop filter is made to carry out at trap the radiofrequency signal of the default frequency range in radiofrequency signal to be transmitted
Reason.
Further, the processor is used to determine that described first sends frequency range and the second reception frequency range work simultaneously
Make, according to the state of the switch unit currently preserved, determine the state whether identify bandstop filter respectively with target FEMid
It has been connected to target antenna interface, if not, sending first control signal to the switch unit.
Further, the processor determine it is described first transmission frequency range with it is described second receive frequency range do not work at the same time
When, send second control signal to the switch unit；
The switch unit is used for when receiving the second control signal, and connection target FEMid connects with target antenna
Mouthful.
Further, the processor is used to determine that described first sends frequency range and the second reception frequency range not simultaneously
Work, according to the state of the switch unit currently preserved, determines whether the state identifies target FEMid and target antenna interface
It has been be connected to that, if not, sending second control signal to the switch unit.
Further, the switch unit is double-point double-throw switch DPDT.
Further, the target radio frequency module further includes：Low-pass filter；
The low-pass filter is connected between target antenna interface and target FEMid, and the low-pass filter is for filtering
Except the high-frequency interferencing signal in radiofrequency signal to be transmitted.
Further, the target radio frequency module is the first radio-frequency module.
The utility model embodiment discloses a kind of mobile terminal, which includes：First radio-frequency module and second
Radio-frequency module includes in each radio-frequency module：Antennal interface, FEMid, as target radio frequency module the first radio-frequency module or
Further include in second radio-frequency module：Bandstop filter；The bandstop filter respectively with target radio frequency mould target antenna in the block
Interface is connected with target FEMid, and the bandstop filter is penetrated to the default frequency range in the radiofrequency signal to be transmitted that receives
Frequency signal carries out trap processing, wherein the default frequency range includes the first transmission frequency range and the second radio frequency of the first radio-frequency module
The second of module receives the mutual interference band of frequency range.Since in the utility model embodiment, bandstop filter can be to first
The first of radio-frequency module sends the mutual interference band progress trap processing that frequency range receives frequency range with the second of the second radio-frequency module, when
When first transmission frequency range is worked at the same time with the second reception frequency range, the signal interference sent between signal and reception signal is avoided.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other drawings may also be obtained based on these drawings.
Fig. 1 is the structure chart of the radio-frequency module in a kind of mobile terminal that the prior art provides；
Fig. 2 is a kind of structure chart for target radio frequency module that the utility model embodiment 1 provides；
Fig. 3 is a kind of switch unit that the utility model embodiment provides；
Fig. 4 is a kind of mobile terminal structure figure that the utility model embodiment provides.
Specific implementation mode
In order to avoid sending signal and receiving the signal interference between signal, the utility model embodiment provides a kind of shifting
Dynamic terminal.
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Embodiment 1：
In the utility model embodiment, mobile terminal includes two radio-frequency modules, and Fig. 1 is radio frequency in the prior art
Modular structure schematic diagram, radio-frequency module include RF transceiver 11 (Transceiver), power amplifier (Power
Amplifier, PA) 12, FEMid13 and antennal interface (Antenna interface, Ant) 14, RF transceiver 11 respectively with
PA12 is connected with FEMid13, and PA12 is connect with FEMid13, and FEMid13 is also connected with antennal interface 14.Mobile terminal passes through
Antennal interface in radio-frequency module is communicated with other equipment.RF transceiver can carry out radiofrequency signal transmission (TX) and
The reception (RX) of radiofrequency signal, the radiofrequency signal that RF transceiver is sent are sent through PA, FEMid to antennal interface, antenna
The radiofrequency signal of interface is transferred to RF transceiver through FEMid, RF transceiver is made to handle radiofrequency signal.
In the utility model embodiment, two radio-frequency modules in mobile terminal are properly termed as the first radio-frequency module and
Two radio-frequency modules, the first of the first radio-frequency module sends between frequency range and the second reception frequency range of the second radio-frequency module in the presence of mutually dry
Section is scrambled, can be interfered to sending signal with signal is received.Above-mentioned frequency range can be a band limits, then first sends
Frequency range refers to the first transmission band limits, and the second reception frequency range refers to the second reception band limits.
In order to avoid causing signal mutual interference, can bandreject filtering be set in the first radio-frequency module or the second radio-frequency module
Device, mutual interference signal is filtered out by bandstop filter, and the radio-frequency module for being provided with bandstop filter is known as target radio frequency module.
Target radio frequency mould antennal interface in the block is known as target antenna interface, target radio frequency mould FEMid in the block is known as target
FEMid.If target radio frequency module is the first radio-frequency module, target antenna interface is first antenna interface, and target FEMid is
First FEMid, if target radio frequency module is the second radio-frequency module, target antenna interface is the second antennal interface, target
FEMid is the 2nd FEMid.
Fig. 2 is a kind of structure chart for target radio frequency module that the utility model embodiment 1 provides, the target radio frequency module packet
It includes：Target radio frequency transceiver (Transceiver) 21, target power amplifier PA22, target FEMid23, target antenna interface
24 and bandstop filter 25；Target radio frequency transceiver 21 is connect with target PA22 and target FEMid23 respectively, and target PA22 with
Target FEMid23 connections, bandstop filter 25 are connect with target antenna interface 24 and target FEMid23 respectively, the band resistance filter
Wave device 25 carries out trap processing to the radiofrequency signal of the default frequency range in the radiofrequency signal to be transmitted that receives, wherein described
Default frequency range includes the first of the first radio-frequency module mutual interference frequency for sending frequency range and the second reception frequency range of the second radio-frequency module
Section.
The radio-frequency module that bandstop filter is provided in the utility model embodiment, in mobile terminal is known as target radio frequency
Module, target radio frequency mould bandstop filter in the block are connect with target antenna interface and target FEMid respectively, and bandstop filter can
To receive radiofrequency signal to be transmitted, which may be that the radiofrequency signal received is sent to by target antenna interface
The bandstop filter, it is also possible to which the radiofrequency signal of output is sent to the bandstop filter by target FEMid.Bandreject filtering
Device can carry out trap processing to the radiofrequency signal for presetting frequency range, when receiving radiofrequency signal to be transmitted, to be transmitted
The radiofrequency signal of default frequency range in radiofrequency signal carries out trap processing.
Because the first transmission frequency range of the first radio-frequency module in mobile terminal receives frequency with the second of the second radio-frequency module
There are mutual interference bands between section, so the default frequency range can be the first transmission frequency of the first radio-frequency module in mobile terminal
The mutual interference band that section receives frequency range with the second of the second radio-frequency module.The mutual interference band can be this first send frequency range with
Second receives the coincidence frequency range of frequency range, can also be the successive bands that the first transmission frequency range receives frequency range with second.It is adjacent can be with
Refer to the first transmission frequency range upper threshold value and second receive frequency range lower threshold value the first difference be less than setting first threshold,
Can be the first transmission frequency range lower threshold value and second receive frequency range upper threshold value the second difference be less than setting second threshold.
Can be each according to reception frequency range and transmission frequency range when determining successive bands with reception frequency range according to transmission frequency range
Corresponding specific band limits and preset difference are determined, and can be specifically that first identification sends frequency range and receives frequency range
In immediate two frequency range values, larger frequency range value is subtracted into difference and obtains the first frequency range value, and by smaller frequency range value
In addition difference, obtains the second frequency range value, using the frequency range between the first frequency range value and the second frequency range value as successive bands.Example
Such as, the first radio-frequency module first send frequency range be 1879~1920M, the second radio-frequency module second receive frequency range be 1805~
1880M.Preset difference is 5, and it is respectively the first hair that the first transmission frequency range receives immediate two frequency ranges in frequency range with second
Send 1879 in frequency range, with second receive in frequency range 1880, first is sent in frequency range and 1879 subtracts 5, obtains 1874, by the
1880 in two reception frequency ranges add 5, obtain 1885, are then used as successive bands by 1874 to 1885.
Due in the utility model embodiment, bandstop filter the first of the first radio-frequency module can be sent frequency range with
The mutual interference band that the second of second radio-frequency module receives frequency range carries out trap processing, when the first transmission frequency range receives frequency with second
When section works at the same time, the signal interference sent between signal and reception signal is avoided.
Embodiment 2：
Bandstop filter is set in the utility model, all radiofrequency signal to be transmitted is carried out at trap under any circumstance
Reason, but in order to save resource, improve the standby time of mobile terminal, the work of bandstop filter can be reasonably controlled, upper
On the basis of stating embodiment, in the utility model embodiment, the mobile terminal further includes：Processor, the target radio frequency
Module further includes：Switch unit；
The processor is connect with the switch unit, for determining that described first sends frequency range and second reception
When frequency range works at the same time, first control signal is sent to the switch unit；
The switch unit is connect with the target FEMid, the bandstop filter and the target antenna interface respectively,
The switch unit be used for when receiving the first control signal, by bandstop filter respectively with target FEMid and target
Antennal interface is connected to, and bandstop filter is made to carry out at trap the radiofrequency signal of the default frequency range in radiofrequency signal to be transmitted
Reason.
Further include processor in the utility model embodiment, in mobile terminal, which can control when to allow band
Filter work is hindered, and further includes switch unit in the target radio frequency module of mobile terminal.Processor is controlling whether to allow band
When hindering filter work, it can be controlled by switch unit.
The specific can be that processor is connect with the switch unit, specific processor can pass through with switch unit
Universal input/output (General Purpose Input Output, GPIO) control line is attached.The switch unit point
It is not connect with target FEMid, bandstop filter and target antenna interface.
Processor can first determine whether the first radio-frequency module and the second radio-frequency module work at the same time, if so, determining again
Whether the first transmission frequency range of the first radio-frequency module and the second reception frequency range of the second radio-frequency module work at the same time, if it is,
First control signal can be generated, and the first control signal is sent to switch unit, which can be electricity
Signal, such as high level signal.Processor determines whether two radio-frequency modules work at the same time, and determine first send frequency range with
The process whether the second reception frequency range works at the same time belongs to the prior art, without repeating in the utility model embodiment.
Switch unit can be connected to the access of target FEMid and bandstop filter after receiving first control signal, with
And the access of connection target antenna interface and bandstop filter, make bandstop filter in the radiofrequency signal to be transmitted that receives
Default frequency range radiofrequency signal carry out trap processing.
If bandstop filter is arranged in the first radio-frequency module, bandstop filter receive this to be transmitted penetrate
Frequency signal is the radiofrequency signal of target FEMid outputs, then the radiofrequency signal that bandstop filter exports target FEMid carries out trap
Processing, and treated that radiofrequency signal is sent to target antenna interface by trap；If bandstop filter is arranged on second and penetrates
In frequency module, then the radiofrequency signal to be transmitted that bandstop filter receives is the radio frequency letter that target antenna interface arrives
Number, then the radiofrequency signal that bandstop filter arrives target antenna interface carries out trap processing, and treated penetrates by trap
Frequency signal is sent to target FEMid.
In order to reduce data transmission, in the utility model embodiment, the processor is used to determine first hair
When frequency range and the second reception frequency range being sent to work at the same time, according to the state of the switch unit currently preserved, the state is determined
Whether identify bandstop filter to be connected to target FEMid and target antenna interface respectively, if not, sending out to the switch unit
Send first control signal.
In the utility model embodiment, the state of switch unit can be preserved in processor, which device of the status indicator
The connection of part and which device, according to the state of the switch unit of preservation, it is determined whether send control signal to switch unit.
Processor is sending the after determining that the first transmission frequency range is worked at the same time with the second reception frequency range to switch unit
It, can be first according to the state of the switch unit currently preserved, it is determined whether send first to switch unit before one control signal
Control signal.Can be specifically determine the state of switch unit currently preserved whether identify bandstop filter respectively with mesh
Mark FEMid has been connected to target antenna interface, if it is not, then sending first control signal to switch unit, makes switch unit will
Bandstop filter respectively with target FEMid and target antenna orifice, if it is, can keep the current status unchanged, no
Carry out any processing.
Embodiment 3：
In order to reasonably control the work of bandstop filter, on the basis of the various embodiments described above, in the utility model reality
It applies in example, the processor is when determining that the first transmission frequency range receives frequency range with described second and do not work at the same time, to described
Switch unit sends second control signal；
The switch unit is used for when receiving the second control signal, and connection target FEMid connects with target antenna
Mouthful.
In the utility model embodiment, processor, which can also determine target FEMid currently, to be connected with target antenna interface
It is logical, or be connected to bandstop filter.If processor sends frequency range and the second radio frequency in determine the first radio-frequency module first
When second reception frequency range of module does not work at the same time, processor can generate second control signal, which is used for
Control targe FEMid and target antenna orifice.Processor sends second control signal to switch unit, and switch unit is connecing
When receiving the second control signal, connection target FEMid and target antenna interface make radiofrequency signal to be transmitted without band
The trap processing for hindering filter, is directly transmitted.
In order to reduce data transmission, in the utility model embodiment, the processor is used to determine first hair
When frequency range being sent not worked at the same time with the second reception frequency range, according to the state of the switch unit currently preserved, the shape is determined
Whether state identifies target FEMid has been connected to target antenna interface, if not, sending the second control letter to the switch unit
Number.
In the utility model embodiment, processor sends frequency range and the second radio frequency in determine the first radio-frequency module first
It, can first basis before sending second control signal to switch unit after second reception frequency range of module does not work at the same time
The state of the switch unit currently preserved, it is determined whether send second control signal to switch unit.The specific can be that determining
Whether the state of the switch unit currently preserved identifies target FEMid has been connected to target antenna interface, if it is not, then to switch
Unit sends second control signal, makes switch unit by target FEMid and target antenna orifice, if it is, can protect
It is constant to hold current state, without any processing.
Because processor passes through switch unit control targe FEMid and target antenna orifice or target FEMid and band
Filter connection is hindered, processor, can will be for the shape of switch unit after control targe FEMid and target antenna orifice
The preset flag bit of state is set as 0, after control targe FEMid is connected to bandstop filter, can this be preset flag bit and set
It is set to 1, therefore, processor can identify target FEMid and target day according to the state of default flag bit identification switch unit
Line interface connection or target FEMid are connected to bandstop filter.
Embodiment 4：
In order to keep the radiofrequency signal of transmission more accurate, on the basis of the various embodiments described above, implement in the utility model
In example, the target radio frequency module further includes：Low-pass filter；
The low-pass filter is connected between target antenna interface and target FEMid, and the low-pass filter is for filtering
Except the high-frequency interferencing signal in radiofrequency signal to be transmitted.
Further include low-pass filter in target radio frequency module in the utility model embodiment, which can be with
Filter out the high-frequency interferencing signal in radiofrequency signal to be transmitted.The low-pass filter is connected to target antenna interface and target
Can also be to be connected to band resistance filter the specific can be that being connected to before target antenna interface and bandstop filter between FEMid
Between wave device and target FEMid.
Embodiment 5：
Above-mentioned switch unit can be double-point double-throw switch as shown in Figure 3 (Double Pole Double Throw,
DPDT).The DPDT includes that interface 1, interface 2, interface 3 and interface 4, the DPDT may be implemented interface 1 and be connected to interface 3, interface 2
It is connected to interface 4, can also realize that interface 1 is connected to interface 2, interface 3 is connected to interface 4.
Under normal circumstances, when there is reception signal and transmitting signal interferes with each other, doing for the signal docking collection of letters number is sent
It is larger to disturb intensity, on the basis of the various embodiments described above, in the utility model embodiment, the target radio frequency module is first
Radio-frequency module.
Fig. 4 is a kind of mobile terminal structure figure that the utility model embodiment provides, and mobile terminal includes processor CPU41
With radio-frequency module 42, wherein radio-frequency module 42 includes RF transceiver (Transceiver) 421, power amplifier PA422,
FEMid423, DPDT424, bandstop filter 425, low-pass filter 426, antennal interface 427；RF transceiver 421 respectively with
Processor 41, PA422 are connected with FEMid423, and PA422 is connect with FEMid423, and DPDT424 passes through GPIO control lines and place
Device 41 to be managed to connect, the interface 1 of DPDT424 is connect with FEMid423, and the interface 2 of DPDT424 is connect with antennal interface 427,
The interface 3 of DPDT424 is connect with bandstop filter 425, and the interface 4 of DPDT424 is connect with low-pass filter 426, and is filtered with resistance
Wave device 425 is connect with low-pass filter 426.
Processor is when determining that the first transmission frequency range is worked at the same time with the second reception frequency range, by GPIO control lines to DPDT
First control signal is sent, the interface 1 of DPDT is made to be connected to interface 4, interface 2 is connected to interface 3, the radio frequency for making FEMid export
Signal passes through low-pass filter, filters out high-frequency interferencing signal, then passes through bandstop filter, makes bandstop filter to radiofrequency signal
In the second mutual interference band for receiving frequency range of the first transmission frequency range and the second radio-frequency module of the first radio-frequency module fallen into
Wave processing, finally by trap, treated that radiofrequency signal is sent to antennal interface, sends.
Processor determine the first transmission frequency range with second reception frequency range do not work at the same time when, by GPIO control lines to
DPDT sends second control signal, and the interface 1 of DPDT is made to be connected to interface 2, and interface 3 is connected to interface 4, and FEMid is made to export
Radiofrequency signal is transmitted directly to antennal interface without any processing.
Processor determines that the first transmission frequency range does not work at the same time with the second reception frequency range, can be to determine the first transmission frequency range
At work, the second reception frequency range does not work, can also be to determine that second receives frequency range at work, first receives the non-work of frequency range
Make.Above-mentioned band operation can be that frequency range is occupied.
Structure in second radio-frequency module is identical as the structure of radio-frequency module in the prior art, and concrete structure is referring to Fig. 1.
If bandstop filter is located in the second radio-frequency module, the structure structure as shown in fig. 4 of the second radio-frequency module
Similar, the bandstop filter in the second radio-frequency module is exactly the default frequency range in the radiofrequency signal received to the second antennal interface
Radiofrequency signal carries out trap processing, and treated that radiofrequency signal is sent to the 2nd FEMid by trap.
The utility model embodiment discloses a kind of mobile terminal, which includes：First radio-frequency module and second
Radio-frequency module includes in each radio-frequency module：Antennal interface, FEMid, as target radio frequency module the first radio-frequency module or
Further include in second radio-frequency module：Bandstop filter；The bandstop filter respectively with target radio frequency mould target antenna in the block
Interface is connected with target FEMid, and the bandstop filter is penetrated to the default frequency range in the radiofrequency signal to be transmitted that receives
Frequency signal carries out trap processing, wherein the default frequency range includes the first transmission frequency range and the second radio frequency of the first radio-frequency module
The second of module receives the mutual interference band of frequency range.Since in the utility model embodiment, bandstop filter can be to first
The first of radio-frequency module sends the mutual interference band progress trap processing that frequency range receives frequency range with the second of the second radio-frequency module, when
When first transmission frequency range is worked at the same time with the second reception frequency range, the signal interference sent between signal and reception signal is avoided.
Although the preferred embodiment of the application has been described, created once a person skilled in the art knows basic
Property concept, then additional changes and modifications can be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as
It selects embodiment and falls into all change and modification of the application range.
Obviously, those skilled in the art can carry out the application essence of the various modification and variations without departing from the application
God and range.In this way, if these modifications and variations of the application belong to the range of the application claim and its equivalent technologies
Within, then the application is also intended to include these modifications and variations.
Claims (8)
1. a kind of mobile terminal, the mobile terminal include：First radio-frequency module and the second radio-frequency module, in each radio-frequency module
Include：The front-end module FEMid of antennal interface, integrated duplexer, which is characterized in that first as target radio frequency module penetrates
Further include in frequency module or the second radio-frequency module：Bandstop filter；
The bandstop filter is connect with target radio frequency mould target antenna interface in the block and target FEMid respectively, the band resistance
Filter carries out trap processing to the radiofrequency signal of the default frequency range in the radiofrequency signal to be transmitted that receives, wherein described
Default frequency range includes the first of the first radio-frequency module mutual interference frequency for sending frequency range and the second reception frequency range of the second radio-frequency module
Section.
2. mobile terminal as described in claim 1, which is characterized in that the mobile terminal further includes：Processor；The target
Radio-frequency module further includes：Switch unit；
The processor is connect with the switch unit, for determining that described first sends frequency range and the second reception frequency range
When working at the same time, first control signal is sent to the switch unit；
The switch unit is connect with the target FEMid, the bandstop filter and the target antenna interface respectively, described
Switch unit be used for when receiving the first control signal, by bandstop filter respectively with target FEMid and target antenna
Orifice makes bandstop filter carry out trap processing to the radiofrequency signal of the default frequency range in radiofrequency signal to be transmitted.
3. mobile terminal as claimed in claim 2, which is characterized in that the processor is used to determine that described first sends frequency
Section and the second reception frequency range work at the same time, and according to the state of the switch unit currently preserved, determine whether the state is marked
Know bandstop filter to be connected to target FEMid and target antenna interface respectively, if not, sending first to the switch unit
Control signal.
4. mobile terminal as claimed in claim 2, which is characterized in that the processor determine it is described first send frequency range with
When the second reception frequency range does not work at the same time, second control signal is sent to the switch unit；
The switch unit is used for when receiving the second control signal, connection target FEMid and target antenna interface.
5. mobile terminal as claimed in claim 4, which is characterized in that the processor is used to determine that described first sends frequency
Section does not work at the same time with the second reception frequency range, according to the state of the switch unit currently preserved, whether determines the state
Mark target FEMid has been connected to target antenna interface, if not, sending second control signal to the switch unit.
6. mobile terminal as claimed in claim 2, which is characterized in that the switch unit is double-point double-throw switch DPDT.
7. mobile terminal as described in claim 1, which is characterized in that the target radio frequency module further includes：Low-pass filter；
The low-pass filter is connected between target antenna interface and target FEMid, and the low-pass filter is waited for for filtering out
High-frequency interferencing signal in the radiofrequency signal of transmission.
8. such as claim 1-7 any one of them mobile terminals, which is characterized in that the target radio frequency module is the first radio frequency
Module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721451372.1U CN207652707U (en) | 2017-11-02 | 2017-11-02 | A kind of mobile terminal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721451372.1U CN207652707U (en) | 2017-11-02 | 2017-11-02 | A kind of mobile terminal |
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| CN207652707U true CN207652707U (en) | 2018-07-24 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112737628A (en) * | 2020-12-30 | 2021-04-30 | 维沃移动通信有限公司 | Radio frequency circuit and electronic device |
| US20210344369A1 (en) * | 2018-11-21 | 2021-11-04 | Huizhou Tcl Mobile Communication Co., Ltd. | Method for reducing sglte coupling de-sense and mobile terminal |
-
2017
- 2017-11-02 CN CN201721451372.1U patent/CN207652707U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20210344369A1 (en) * | 2018-11-21 | 2021-11-04 | Huizhou Tcl Mobile Communication Co., Ltd. | Method for reducing sglte coupling de-sense and mobile terminal |
| US11522569B2 (en) * | 2018-11-21 | 2022-12-06 | Huizhou Tcl Mobile Communication Co., Ltd. | Method for reducing SGLTE coupling de-sense and mobile terminal |
| CN112737628A (en) * | 2020-12-30 | 2021-04-30 | 维沃移动通信有限公司 | Radio frequency circuit and electronic device |
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