CN109768810A - A kind of signal processing circuit, terminal device and signal processing method - Google Patents
A kind of signal processing circuit, terminal device and signal processing method Download PDFInfo
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Abstract
The present invention provides a kind of signal processing circuit, terminal device and signal processing method, the signal processing circuit includes processor, LTE radio transmission circuit and 5G RF transmit-receive circuit, it include trap module in the LTE radio transmission circuit, the trap module is for filtering out the signal of target uplink working frequency in the first frequency range, wherein, twice of the target uplink working frequency in first frequency range is equal with the downlink working frequency in the second frequency range, it is not overlapped between first frequency range and second frequency range, first frequency range is the working frequency range of the LTE radio transmission circuit, second frequency range is the working frequency range of the 5G RF transmit-receive circuit.In this way, filtering out by the signal to target uplink working frequency in the first frequency range, the influence of the receptivity to 5G system can be eliminated.
Description
Technical field
The present invention relates to field of communication technology more particularly to a kind of signal processing circuits, terminal device and signal processing side
Method.
Background technique
With the rapid development of terminal technology, terminal device has become essential a kind of tool in people's life,
And the various aspects for user's life are brought great convenience.And with the fast development of network technology, in order to pursue
Higher rate, lower time delay and higher reliability, 5G and long term evolution (Long Term Evolution, LTE) are extensive
Applied in the life of user.
But in the prior art, the second harmonic that the frequency range transmitting of LTE generates can fall in the reception frequency of 5G system
In section, to influence the receptivity of 5G system.
Summary of the invention
The embodiment of the present invention provides a kind of signal processing circuit, terminal device and signal processing method, is set with solving terminal
The second harmonic that the frequency range transmitting of standby LTE generates can be fallen in a reception frequency range of 5G system, to influence 5G system
The problem of receptivity.
In order to solve the above-mentioned technical problem, the present invention is implemented as follows:
In a first aspect, the embodiment of the invention provides a kind of signal processing circuit, including processor, LTE radio transmitting-receiving electricity
Road and 5G RF transmit-receive circuit, include trap module in the LTE radio transmission circuit, and the trap module is used for the first frequency
The signal of target uplink working frequency is filtered out in section, wherein the target uplink working frequency in first frequency range
Twice it is equal with the downlink working frequency in the second frequency range, be not overlapped between first frequency range and second frequency range, institute
The working frequency range that the first frequency range is the LTE radio transmission circuit is stated, second frequency range is the 5G RF transmit-receive circuit
Working frequency range.
Second aspect, the embodiment of the present invention also provide a kind of terminal device, including above-mentioned signal processing circuit.
The third aspect, the embodiment of the present invention also provide a kind of signal processing method, are applied to above-mentioned terminal device, the side
Method includes:
The signal of target uplink working frequency in first frequency range is filtered out, wherein described in first frequency range
Twice of target uplink working frequency is equal with the downlink working frequency in the second frequency range, first frequency range and second frequency
It is not overlapped between section, first frequency range is the working frequency range of LTE radio transmission circuit, and second frequency range is 5G radio-frequency receiving-transmitting
The working frequency range of circuit.
Fourth aspect, the embodiment of the present invention also provide a kind of terminal device, including processor, memory and are stored in described
It is real when the computer program is executed by the processor on memory and the computer program that can run on the processor
The step of existing above-mentioned signal processing method.
5th aspect, the embodiment of the present invention also provide a kind of computer readable storage medium, the computer-readable storage
Computer program is stored on medium, the step of computer program realizes above-mentioned signal processing method when being executed by processor.
A kind of signal processing circuit of the embodiment of the present invention, including processor, LTE radio transmission circuit and 5G radio-frequency receiving-transmitting
Circuit, includes trap module in the LTE radio transmission circuit, and the trap module is used for target uplink work in the first frequency range
The signal of working frequency is filtered out, wherein twice of the target uplink working frequency in first frequency range and the second frequency
Downlink working frequency in section is equal, is not overlapped between first frequency range and second frequency range, first frequency range is institute
The working frequency range of LTE radio transmission circuit is stated, second frequency range is the working frequency range of the 5G RF transmit-receive circuit.In this way,
It is filtered out by the signal to target uplink working frequency in the first frequency range, the shadow of the receptivity to 5G system can be eliminated
It rings.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, needed in being described below to the embodiment of the present invention
Attached drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention,
For those of ordinary skill in the art, without any creative labor, it can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the structure chart of signal processing circuit provided in an embodiment of the present invention；
Fig. 2 is the structure chart of trap module provided in an embodiment of the present invention；
Fig. 3 is the flow chart of signal processing method provided in an embodiment of the present invention；
Fig. 4 is the structure chart of terminal device provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Based on this hair
Embodiment in bright, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
It is the structure chart of signal processing circuit provided in an embodiment of the present invention referring to Fig. 1, Fig. 1, as shown in Figure 1, including place
Device 1, LTE radio transmission circuit 2 and 5G RF transmit-receive circuit 3 are managed, includes trap module 21 in the LTE radio transmission circuit 2,
The trap module 21 is for filtering out the signal of target uplink working frequency in the first frequency range, wherein first frequency
Twice of the target uplink working frequency in section is equal with the downlink working frequency in the second frequency range, first frequency range and
Be not overlapped between second frequency range, first frequency range be the LTE radio transmission circuit 2 working frequency range, described second
Frequency range is the working frequency range of the 5G RF transmit-receive circuit 3.
In the present embodiment, the LTE radio transceiver 22 of LTE radio transmission circuit 2 is connect with processor 1,5G radio-frequency receiving-transmitting
The 5G NR RF transceiver of circuit 3 is connect with processor 1, and these connection relationships and connection relationship phase in the prior art
Together, details are not described herein.Above-mentioned first frequency range can be B1 frequency range, can be B3 frequency range.Above-mentioned second frequency range can be N77 frequency
Section, can be N78 frequency range.
In the present embodiment, 5G RF transmit-receive circuit 3 is circuit included by the dotted line of top in Fig. 1.The 5G radio-frequency receiving-transmitting
It include 5G NR RF transceiver, power amplifier, filter, RF switch, coupler and antenna, these devices in circuit 9
Between connection relationship be referred to Fig. 1 and understood, details are not described herein.
In the present embodiment, in twice of the target uplink working frequency in above-mentioned first frequency range and the second frequency range under
Row working frequency is equal, is not overlapped between first frequency range and second frequency range.It is wrapped in the LTE radio transmission circuit 2
Trap module 21 is included, in this way, the trap module 21 is for filtering the signal of target uplink working frequency in the first frequency range
Except (being filtered out as handled by trap), 5G system is fallen in so as to prevent a frequency range of LTE from emitting the second harmonic generated
In one reception frequency range of system, the influence of the receptivity to 5G system can be eliminated.
Optionally, the LTE radio transmission circuit 2 further includes LTE radio transceiver 22, power amplifier 23, trapped mode
Block 21, duplexer 24, RF switch 25, coupler 26 and antenna 27；The output end and the function of the LTE radio transceiver 22
The input terminal of rate amplifier 23 connects；The output end of the power amplifier 23 is connect with the input terminal of the trap module 21；
The output end of the trap module 21 is connect with the first end of the duplexer 24, the control terminal of the trap module 21 with it is described
Processor 1 connects；The second end of the duplexer 24 is connect with the first input end of the LTE radio transceiver 22, described double
The third end of work device 24 is connect with the first end of the RF switch 25；The second end of the RF switch 25 and the coupler
26 first end connection；The second end of the coupler 26 is connect with the second input terminal of the LTE radio transceiver 22, described
The third end of coupler 26 is connect with the antenna 27；The 5G RF transmit-receive circuit 3 is connect with the processor 1.
In the embodiment, referring again to Fig. 1, the control terminal of the trap module 21 is connect with the processor 1, thus
Can be in the case where the control terminal receive the voltage control signal of the transmission of processor 1, the trap module 21 is to the first frequency
The signal of target uplink working frequency is filtered out in section.In this way, the trap module 21 is used for target in the first frequency range
The signal of row working frequency is filtered out, and falls in 5G system so as to prevent a frequency range of LTE from emitting the second harmonic generated
A reception frequency range in, the influence of the receptivity to 5G system can be eliminated.
Optionally, first frequency range is B3 frequency range, and second frequency range is N77 or N78 frequency range.
In the embodiment, the upstream frequency range of above-mentioned B3 frequency range is 1710~1785MHz, the downstream frequency of B3 frequency range
Range is 2110~2170MHz.The upstream frequency range and downstream frequency range of N77 frequency range are 3300~4200MHz.N78
The upstream frequency range and downstream frequency range of frequency range are 3300~3800MHz.
In the embodiment, first frequency range is B3 frequency range, and second frequency range is N77 or N78 frequency range, so as to
The second harmonic for preventing the transmitting of B3 frequency range from generating is fallen in the reception frequency range of N77 or N78, eliminates the transmitting of B3 frequency range generates two
Influence of the subharmonic to the receptivity of N77 frequency range.
Optionally, in the case where the enable end of the trap module 21 receives high level signal, the trap module
21 for filtering out the signal of the target uplink working frequency in first frequency range；
In the case where the enable end of the trap module 21 receives low level signal, the trap module 21 is used for will
The signal of the target uplink working frequency in first frequency range is transmitted to the duplexer 24.
It, can be referring to Fig.2, Fig. 2 be provided as the embodiment of the present invention in order to better understand the above process in the embodiment
Trap module structure chart.As described in Figure 2, trap module 21 includes input terminal 211, output end 212, control terminal 213 and makes
It can end 214.
It is described in the case where the enable end 214 of the trap module 21 receives high level signal in the embodiment
Trap module 21 is for filtering out the signal of the target uplink working frequency in first frequency range.Trap module 21
Enable end 214 when receiving high level signal, can be according to the input voltage regulation trap module 21 of control terminal 213 inside
Variable capacitance, to change the resonance frequency of wave invigorating network, can work to the target uplink in first frequency range frequency
The signal of rate is filtered out.
It is described in the case where the enable end 214 of the trap module 21 receives low level signal in the embodiment
Trap module 21 is used to the signal of the target uplink working frequency in first frequency range being transmitted to the duplexer 24.
When the enable end 214 of the trap module 21 receives low level signal, trap module 21 is equivalent to pass-through state, and Insertion Loss is very
It is small.
It should be noted that high level signal or low level signal that the enable end 214 of trap module 21 receives can
To be the signal sent by processor 1, or it is also possible to the signal etc. sent by an individual control module, to this
Embodiment is not construed as limiting.
In this way, can be to the institute in the first frequency range in the case where the enable end of trap module 21 receives different signals
The signal for stating target uplink working frequency carries out different processing, so as to choose whether to be filtered according to practical situation
It removes, improves the flexibility of signal processing circuit.
Optionally, in the case where the transmission power of first frequency range is greater than preset threshold, the trap module 21 is used
It is filtered out in the signal to the target uplink working frequency in first frequency range.
In the embodiment, only in the case that the transmission power of first frequency range is greater than preset threshold, the first frequency
The second harmonic that the signal of the uplink working frequency of section generates is possible to fall in the downlink working frequency of the second frequency range.Institute
The transmission power of the first frequency range is stated less than or equal in the case where preset threshold, the trap module 21 can be used for will be described
The signal of the target uplink working frequency in first frequency range is transmitted to the duplexer 24, does not filter out.
Also, in this way, the case where the transmission power of first frequency range is less than or equal to preset threshold
Under, without obtaining the downlink working frequency in the second frequency range, the trap module 21 is used for will be described in first frequency range
The signal of target uplink working frequency is transmitted to the duplexer 24, does not filter out.Only in the transmitting function of first frequency range
In the case that rate is greater than preset threshold, the trap module 21 is used for the frequency that works the target uplink in first frequency range
The signal of rate is filtered out.
Optionally, in the case where the control terminal of the trap module 21 receives voltage control signal, the trapped mode
Block 21 is for filtering out the signal of the target uplink working frequency in first frequency range, the voltage control signal
Voltage match with the target uplink working frequency in first frequency range.
In the embodiment, the target uplink in the voltage of the voltage control signal and first frequency range works
Frequency, which matches, to be understood that.The uplink working frequency and voltage that can store in the first frequency range in terminal device control
The mapping table of the voltage of signal, and the corresponding control of the target uplink working frequency is searched in the mapping table
Voltage, and the voltage control signal that voltage is the control voltage is sent from processor to the control terminal of trap module 21.According to this
Variable capacitance inside the adjustable trap module 21 of the voltage of voltage control signal, so as to adjust humorous under different operating frequency
Vibration frequency filters out the signal of the target uplink working frequency in first frequency range.In this way, being controlled by voltage
The control of signal, trap module 21 can accurately the signal to the target uplink working frequency in first frequency range into
Row filters out.Also, the variable capacitance in trap module 21 is adjusted by the target uplink working frequency, is fallen into solve LC
The problem of wave network narrower bandwidth, improves the inhibitory effect to harmonic wave.
It should be noted that above embodiment can be implemented separately, or can also be implemented in combination with, it is real to this present invention
Example is applied to be not construed as limiting.
A kind of signal processing circuit of the invention, including processor 1, LTE radio transmission circuit 2 and 5G RF transmit-receive circuit
3, it include trap module 21 in the LTE radio transmission circuit 2, the trap module 21 is used for target uplink in the first frequency range
The signal of working frequency is filtered out, wherein twice and second of the target uplink working frequency in first frequency range
Downlink working frequency in frequency range is equal, is not overlapped between first frequency range and second frequency range, and first frequency range is
The working frequency range of the LTE radio transmission circuit 2, second frequency range are the working frequency range of the 5G RF transmit-receive circuit 3.This
Sample is filtered out by the signal to target uplink working frequency in the first frequency range, can eliminate the receptivity to 5G system
Influence.
The embodiment of the present invention also provides a kind of terminal device, including above-mentioned signal processing circuit.
In the present embodiment, above-mentioned terminal device can be mobile phone, tablet computer (Tablet Personal Computer),
Laptop computer (Laptop Computer), personal digital assistant (personal digital assistant, abbreviation PDA),
Mobile Internet access device (Mobile Internet Device, MID) or wearable device (Wearable Device) etc..
Refering to Fig. 3, Fig. 3 is the flow chart of signal processing method provided in an embodiment of the present invention, is set applied to above-mentioned terminal
It is standby.As shown in figure 3, the signal processing method the following steps are included:
Step 301 filters out the signal of target uplink working frequency in the first frequency range, wherein first frequency range
In the target uplink working frequency twice, first frequency range and institute equal with the downlink working frequency in the second frequency range
It states and is not overlapped between the second frequency range, first frequency range is the working frequency range of LTE radio transmission circuit, and second frequency range is 5G
The working frequency range of RF transmit-receive circuit.
In the present embodiment, above-mentioned first frequency range can be B1 frequency range, can be B3 frequency range.Above-mentioned second frequency range can be
N77 frequency range can be N78 frequency range.In twice of the target uplink working frequency in above-mentioned first frequency range and the second frequency range
Downlink working frequency it is equal, be not overlapped between first frequency range and second frequency range, first frequency range be LTE radio
The working frequency range of transmission circuit, second frequency range are the working frequency range of 5G RF transmit-receive circuit.In this way, to mesh in the first frequency range
The signal for putting on row working frequency is filtered out, and falls in 5G so as to prevent a frequency range of LTE from emitting the second harmonic generated
In one reception frequency range of system, the influence of the receptivity to 5G system can be eliminated.
Optionally, first frequency range is B3 frequency range, and second frequency range is N77 or N78 frequency range.
Optionally, the signal to target uplink working frequency in the first frequency range filters out, comprising:
In the case where the enable end of trap module receives high level signal, to the target in first frequency range
The signal of uplink working frequency is filtered out；
In the case where the enable end of the trap module receives low level signal, described in first frequency range
The signal of target uplink working frequency is transmitted to duplexer.
Optionally, the signal to target uplink working frequency in the first frequency range filters out, comprising:
In the case where the transmission power of first frequency range is greater than preset threshold, to the mesh in first frequency range
The signal for putting on row working frequency is filtered out.
It, can in the case where the transmission power of first frequency range is less than or equal to preset threshold in the embodiment
The signal of the target uplink working frequency in first frequency range is transmitted to the duplexer, do not filter out.
Optionally, the signal to target uplink working frequency in the first frequency range filters out, comprising:
In the case where the control terminal of the trap module receives voltage control signal, to the institute in first frequency range
The signal for stating target uplink working frequency is filtered out, the voltage of the voltage control signal with it is described in first frequency range
Target uplink working frequency matches.
The respective embodiments described above have done detailed explanation and illustration in each embodiment of signal processing circuit,
It is secondary to repeat no more.It should be noted that above embodiment can be implemented separately, or can also be implemented in combination with.For example, when eventually
When end equipment registered network or the network information change, whether confirmation present terminal equipment uplink works in B3 frequency range, under
Whether row has work in N77 or N78 frequency range.If so, reading the transmission power of current B3 frequency range, whether the hair transmission power is judged
Greater than preset threshold P1.In the case where the transmission power of B3 frequency range is greater than preset threshold P1, record B3 uplink working frequency is
The downlink working frequency of Freq_UL and N77 or N78 frequency range is Freq_DL, and whether twice for calculating Freq_UL is equal to Freq_
DL.The mapping table of the Freq_UL and control voltage that can be stored in terminal device, if twice of Freq_UL is equal to
Freq_DL generates an enable signal, controls the switch of trap module 21.The Freq_ that can be stored in terminal device simultaneously
It UL and controls in the mapping table of voltage and searches the corresponding control voltage of current Freq_UL, go to adjust using the control voltage
The variable capacitance inside trap module 21 is saved, so as to adjust the resonance frequency under different operating frequency, in first frequency range
The signal of the target uplink working frequency filtered out.
In this way, by increasing trap module 21 on B3 access, by judge terminal device whether work in B3 frequency range and
The size of N77 or N78 frequency range dual link state and B3 frequency range transmission power goes the working condition of control trap module 21, thus
Influence of the harmonic wave of solution B3 frequency range to the reception frequency range performance of N77 or N78.It can solve again and routinely there was only B3 band operation
Under the conditions of, because increasing the problem of filter Insertion Loss leads to the increase of B3 frequency range power consumption.By judging that terminal device working frequency range is
The no concurrent conditions that meet open trap module 21, can evade mutual interference, then close trap module under other conditions, reduce chain
Road Insertion Loss, to achieve the purpose that reduce power consumption.
A kind of signal processing method of the invention filters out the signal of target uplink working frequency in the first frequency range,
Wherein, twice of the target uplink working frequency in first frequency range and the downlink working frequency phase in the second frequency range
Deng, be not overlapped between first frequency range and second frequency range, first frequency range be LTE radio transmission circuit work frequency
Section, second frequency range are the working frequency range of 5G RF transmit-receive circuit.In this way, by target uplink work frequency in the first frequency range
The signal of rate is filtered out, and the influence of the receptivity to 5G system can be eliminated.
Referring to fig. 4, the hardware structural diagram of Fig. 4 a kind of terminal device of each embodiment to realize the present invention, the end
End equipment 400 includes but is not limited to: radio frequency unit 401, audio output unit 403, input unit 404, passes network module 402
Sensor 405, display unit 406, user input unit 407, interface unit 408, memory 409, processor 410 and power supply
411 equal components.It will be understood by those skilled in the art that terminal device structure shown in Fig. 4 is not constituted to terminal device
It limits, terminal device may include perhaps combining certain components or different component cloth than illustrating more or fewer components
It sets.In embodiments of the present invention, terminal device includes but is not limited to mobile phone, tablet computer, laptop, palm PC, vehicle
Mounted terminal, wearable device and pedometer etc..
Wherein, processor 410 carry out the signal of target uplink working frequency in the first frequency range for controlling trap module
It filters out, wherein the downlink working frequency in twice of the target uplink working frequency in first frequency range and the second frequency range
Rate is equal, is not overlapped between first frequency range and second frequency range, and first frequency range is the work of LTE radio transmission circuit
Make frequency range, second frequency range is the working frequency range of 5G RF transmit-receive circuit.In this way, by target uplink work in the first frequency range
The signal of working frequency is filtered out, and the influence of the receptivity to 5G system can be eliminated.
Optionally, first frequency range is B3 frequency range, and second frequency range is N77 or N78 frequency range.
Optionally, processor 410 are also used in the case where the enable end of trap module receives high level signal, control
Trap module processed filters out the signal of the target uplink working frequency in first frequency range；In the trap module
Enable end receive low level signal in the case where, control trap module is by the target uplink work in first frequency range
The signal of working frequency is transmitted to duplexer.
Optionally, processor 410 are also used in the case where the transmission power of first frequency range is greater than preset threshold,
Control trap module filters out the signal of the target uplink working frequency in first frequency range.
Optionally, processor 410 are also used to the case where the control terminal of the trap module receives voltage control signal
Under, control trap module filters out the signal of the target uplink working frequency in first frequency range, the voltage
The voltage of control signal matches with the target uplink working frequency in first frequency range.
It should be understood that the embodiment of the present invention in, radio frequency unit 401 can be used for receiving and sending messages or communication process in, signal
Send and receive, specifically, by from base station downlink data receive after, to processor 410 handle；In addition, by uplink
Data are sent to base station.In general, radio frequency unit 401 includes but is not limited to antenna, at least one amplifier, transceiver, coupling
Device, low-noise amplifier, duplexer etc..In addition, radio frequency unit 401 can also by wireless communication system and network and other set
Standby communication.
Terminal device provides wireless broadband internet by network module 402 for user and accesses, and such as user is helped to receive
It sends e-mails, browse webpage and access streaming video etc..
Audio output unit 403 can be received by radio frequency unit 401 or network module 402 or in memory 409
The audio data of storage is converted into audio signal and exports to be sound.Moreover, audio output unit 403 can also provide and end
The relevant audio output of specific function that end equipment 400 executes is (for example, call signal receives sound, message sink sound etc.
Deng).Audio output unit 403 includes loudspeaker, buzzer and receiver etc..
Input unit 404 is for receiving audio or video signal.Input unit 404 may include graphics processor
(Graphics Processing Unit, GPU) 4041 and microphone 4042, graphics processor 4041 is in video acquisition mode
Or the image data of the static images or video obtained in image capture mode by image capture apparatus (such as camera) carries out
Reason.Treated, and picture frame may be displayed on display unit 406.Through graphics processor 4041, treated that picture frame can be deposited
Storage is sent in memory 409 (or other storage mediums) or via radio frequency unit 401 or network module 402.Mike
Wind 4042 can receive sound, and can be audio data by such acoustic processing.Treated audio data can be
The format output that mobile communication base station can be sent to via radio frequency unit 401 is converted in the case where telephone calling model.
Terminal device 400 further includes at least one sensor 405, such as optical sensor, motion sensor and other biographies
Sensor.Specifically, optical sensor includes ambient light sensor and proximity sensor, wherein ambient light sensor can be according to environment
The light and shade of light adjusts the brightness of display panel 4061, and proximity sensor can close when terminal device 400 is moved in one's ear
Display panel 4061 and/or backlight.As a kind of motion sensor, accelerometer sensor can detect in all directions (general
For three axis) size of acceleration, it can detect that size and the direction of gravity when static, can be used to identify terminal device posture (ratio
Such as horizontal/vertical screen switching, dependent game, magnetometer pose calibrating), Vibration identification correlation function (such as pedometer, tap)；It passes
Sensor 405 can also include fingerprint sensor, pressure sensor, iris sensor, molecule sensor, gyroscope, barometer, wet
Meter, thermometer, infrared sensor etc. are spent, details are not described herein.
Display unit 406 is for showing information input by user or being supplied to the information of user.Display unit 406 can wrap
Display panel 4061 is included, liquid crystal display (Liquid Crystal Display, LCD), Organic Light Emitting Diode can be used
Forms such as (Organic Light-Emitting Diode, OLED) configure display panel 4061.
User input unit 407 can be used for receiving the number or character information of input, and generate the use with terminal device
Family setting and the related key signals input of function control.Specifically, user input unit 407 include touch panel 4071 and
Other input equipments 4072.Touch panel 4071, also referred to as touch screen collect the touch operation of user on it or nearby
(for example user uses any suitable objects or attachment such as finger, stylus on touch panel 4071 or in touch panel 4071
Neighbouring operation).Touch panel 4071 may include both touch detecting apparatus and touch controller.Wherein, touch detection
Device detects the touch orientation of user, and detects touch operation bring signal, transmits a signal to touch controller；Touch control
Device processed receives touch information from touch detecting apparatus, and is converted into contact coordinate, then gives processor 410, receiving area
It manages the order that device 410 is sent and is executed.Furthermore, it is possible to more using resistance-type, condenser type, infrared ray and surface acoustic wave etc.
Seed type realizes touch panel 4071.In addition to touch panel 4071, user input unit 407 can also include other input equipments
4072.Specifically, other input equipments 4072 can include but is not limited to physical keyboard, function key (such as volume control button,
Switch key etc.), trace ball, mouse, operating stick, details are not described herein.
Further, touch panel 4071 can be covered on display panel 4061, when touch panel 4071 is detected at it
On or near touch operation after, send processor 410 to determine the type of touch event, be followed by subsequent processing device 410 according to touching
The type for touching event provides corresponding visual output on display panel 4061.Although in Fig. 4, touch panel 4071 and display
Panel 4061 is the function that outputs and inputs of realizing terminal device as two independent components, but in some embodiments
In, can be integrated by touch panel 4071 and display panel 4061 and realize the function that outputs and inputs of terminal device, it is specific this
Place is without limitation.
Interface unit 408 is the interface that external device (ED) is connect with terminal device 400.For example, external device (ED) may include having
Line or wireless head-band earphone port, external power supply (or battery charger) port, wired or wireless data port, storage card end
Mouth, port, the port audio input/output (I/O), video i/o port, earphone end for connecting the device with identification module
Mouthful etc..Interface unit 408 can be used for receiving the input (for example, data information, electric power etc.) from external device (ED) and
By one or more elements that the input received is transferred in terminal device 400 or can be used in 400 He of terminal device
Data are transmitted between external device (ED).
Memory 409 can be used for storing software program and various data.Memory 409 can mainly include storing program area
The storage data area and, wherein storing program area can (such as the sound of application program needed for storage program area, at least one function
Sound playing function, image player function etc.) etc.；Storage data area can store according to mobile phone use created data (such as
Audio data, phone directory etc.) etc..In addition, memory 409 may include high-speed random access memory, it can also include non-easy
The property lost memory, a for example, at least disk memory, flush memory device or other volatile solid-state parts.
Processor 410 is the control centre of terminal device, utilizes each of various interfaces and the entire terminal device of connection
A part by running or execute the software program and/or module that are stored in memory 409, and calls and is stored in storage
Data in device 409 execute the various functions and processing data of terminal device, to carry out integral monitoring to terminal device.Place
Managing device 410 may include one or more processing units；Preferably, processor 410 can integrate application processor and modulatedemodulate is mediated
Manage device, wherein the main processing operation system of application processor, user interface and application program etc., modem processor is main
Processing wireless communication.It is understood that above-mentioned modem processor can not also be integrated into processor 410.
Terminal device 400 can also include the power supply 411 (such as battery) powered to all parts, it is preferred that power supply 411
Can be logically contiguous by power-supply management system and processor 410, to realize management charging by power-supply management system, put
The functions such as electricity and power managed.
In addition, terminal device 400 includes some unshowned functional modules, details are not described herein.
Preferably, the embodiment of the present invention also provides a kind of terminal device, including processor 410, and memory 409 is stored in
On memory 409 and the computer program that can run on the processor 410, the computer program are executed by processor 410
Each process of the above-mentioned signal processing method embodiment of Shi Shixian, and identical technical effect can be reached, to avoid repeating, here
It repeats no more.
The embodiment of the present invention also provides a kind of computer readable storage medium, and meter is stored on computer readable storage medium
Calculation machine program, the computer program realize each process of above-mentioned signal processing method embodiment, and energy when being executed by processor
Reach identical technical effect, to avoid repeating, which is not described herein again.Wherein, the computer readable storage medium, such as only
Read memory (Read-Only Memory, abbreviation ROM), random access memory (Random Access Memory, abbreviation
RAM), magnetic or disk etc..
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or the device that include a series of elements not only include those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or device institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including being somebody's turn to do
There is also other identical elements in the process, method of element, article or device.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can be realized by means of software and necessary general hardware platform, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.Based on this understanding, technical solution of the present invention substantially in other words does the prior art
The part contributed out can be embodied in the form of software products, which is stored in a storage medium
In (such as ROM/RAM, magnetic disk, CD), including some instructions are used so that a terminal (can be mobile phone, computer, service
Device, air conditioner or network equipment etc.) execute method described in each embodiment of the present invention.
The embodiment of the present invention is described with above attached drawing, but the invention is not limited to above-mentioned specific
Embodiment, the above mentioned embodiment is only schematical, rather than restrictive, those skilled in the art
Under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, it can also make very much
Form belongs within protection of the invention.
Claims (14)
1. a kind of signal processing circuit, which is characterized in that including processor, LTE radio transmission circuit and 5G RF transmit-receive circuit,
It include trap module in the LTE radio transmission circuit, the trap module is used for target uplink work frequency in the first frequency range
The signal of rate is filtered out, wherein in twice of the target uplink working frequency in first frequency range and the second frequency range
Downlink working frequency it is equal, be not overlapped between first frequency range and second frequency range, first frequency range be the LTE
The working frequency range of RF transmit-receive circuit, second frequency range are the working frequency range of the 5G RF transmit-receive circuit.
2. signal processing circuit according to claim 1, which is characterized in that the LTE radio transmission circuit further includes LTE
RF transceiver, power amplifier, duplexer, RF switch, coupler and antenna；
The output end of the LTE radio transceiver is connect with the input terminal of the power amplifier；
The output end of the power amplifier is connect with the input terminal of the trap module；
The output end of the trap module is connect with the first end of the duplexer, the control terminal of the trap module and the place
Manage device connection；
The second end of the duplexer is connect with the first input end of the LTE radio transceiver, the third end of the duplexer
It is connect with the first end of the RF switch；
The second end of the RF switch is connect with the first end of the coupler；
The second end of the coupler is connect with the second input terminal of the LTE radio transceiver, the third end of the coupler
It is connect with the antenna；
The 5G RF transmit-receive circuit is connected to the processor.
3. signal processing circuit according to claim 2, which is characterized in that first frequency range is B3 frequency range, described the
Two frequency ranges are N77 or N78 frequency range.
4. signal processing circuit according to claim 2 or 3, which is characterized in that in the enabled termination of the trap module
In the case where receiving high level signal, the trap module is used for the target uplink working frequency in first frequency range
Signal filtered out；
In the case where the enable end of the trap module receives low level signal, the trap module is used for described first
The signal of the target uplink working frequency in frequency range is transmitted to the duplexer.
5. signal processing circuit according to claim 2 or 3, which is characterized in that in the transmission power of first frequency range
In the case where greater than preset threshold, the trap module is used for the target uplink working frequency in first frequency range
Signal is filtered out.
6. signal processing circuit according to claim 2 or 3, which is characterized in that terminated in the control of the trap module
In the case where receiving voltage control signal, the trap module is used for the frequency that works the target uplink in first frequency range
The signal of rate is filtered out, the target uplink working frequency in the voltage of the voltage control signal and first frequency range
Match.
7. a kind of terminal device, which is characterized in that including signal processing circuit described in any one of claims 1 to 6.
8. a kind of signal processing method is applied to terminal device as claimed in claim 7, which is characterized in that the described method includes:
The signal of target uplink working frequency in first frequency range is filtered out, wherein the target in first frequency range
Twice of uplink working frequency is equal with the downlink working frequency in the second frequency range, first frequency range and second frequency range it
Between be not overlapped, first frequency range be LTE radio transmission circuit working frequency range, second frequency range be 5G RF transmit-receive circuit
Working frequency range.
9. according to the method described in claim 8, second frequency range is it is characterized in that, first frequency range is B3 frequency range
N77 or N78 frequency range.
10. method according to claim 8 or claim 9, which is characterized in that described to target uplink working frequency in the first frequency range
Signal filtered out, comprising:
In the case where the enable end of trap module receives high level signal, to the target uplink in first frequency range
The signal of working frequency is filtered out；
In the case where the enable end of the trap module receives low level signal, by the target in first frequency range
The signal of uplink working frequency is transmitted to duplexer.
11. method according to claim 8 or claim 9, which is characterized in that described to target uplink working frequency in the first frequency range
Signal filtered out, comprising:
In the case where the transmission power of first frequency range is greater than preset threshold, in the target in first frequency range
The signal of row working frequency is filtered out.
12. method according to claim 8 or claim 9, which is characterized in that described to target uplink working frequency in the first frequency range
Signal filtered out, comprising:
In the case where the control terminal of the trap module receives voltage control signal, to the mesh in first frequency range
The signal for putting on row working frequency is filtered out, the target in the voltage of the voltage control signal and first frequency range
Uplink working frequency matches.
13. a kind of terminal device, which is characterized in that including processor, memory and be stored on the memory and can be in institute
State the computer program run on processor, when the computer program is executed by the processor realize as claim 8 to
The step of signal processing method described in any one of 12.
14. a kind of computer readable storage medium, which is characterized in that store computer journey on the computer readable storage medium
Sequence realizes the signal processing method as described in any one of claim 8 to 12 when the computer program is executed by processor
The step of.
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| CN201910171078.2A CN109768810B (en) | 2019-03-07 | 2019-03-07 | Signal processing circuit, terminal equipment and signal processing method |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110138411A (en) * | 2019-05-31 | 2019-08-16 | 维沃移动通信有限公司 | Radio circuit, signal processing method, device and terminal |
| CN110166065A (en) * | 2019-05-24 | 2019-08-23 | 维沃移动通信有限公司 | Signal processing method, network collocating method and relevant device |
| CN110311705A (en) * | 2019-06-28 | 2019-10-08 | 维沃移动通信有限公司 | A kind of signal processing circuit, terminal device and signal processing method |
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| WO2023024853A1 (en) * | 2021-08-23 | 2023-03-02 | 展讯通信（深圳）有限公司 | Radio frequency circuit and radio frequency signal transmission method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1889400A (en) * | 2006-08-07 | 2007-01-03 | Ut斯达康通讯有限公司 | Multi-mode cell phone capable of suppressing PHS mode radio frequency interference |
| CN101366186A (en) * | 2006-01-04 | 2009-02-11 | 高通股份有限公司 | Spur suppression for a receiver in a wireless communication system |
| CN102404271A (en) * | 2011-11-23 | 2012-04-04 | 广东盛路通信科技股份有限公司 | Device and method for narrowband interference suppression of OFDM (orthogonal frequency division multiplexing) receiver |
| CN103166656A (en) * | 2011-12-14 | 2013-06-19 | 英飞凌科技股份有限公司 | System and method for an RF receiver |
| CN203135865U (en) * | 2013-03-20 | 2013-08-14 | 东莞宇龙通信科技有限公司 | Mobile terminal for alleviating interference of LTE (Long Term Evolution) emission in GPS (Global Position System) |
-
2019
- 2019-03-07 CN CN201910171078.2A patent/CN109768810B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101366186A (en) * | 2006-01-04 | 2009-02-11 | 高通股份有限公司 | Spur suppression for a receiver in a wireless communication system |
| CN1889400A (en) * | 2006-08-07 | 2007-01-03 | Ut斯达康通讯有限公司 | Multi-mode cell phone capable of suppressing PHS mode radio frequency interference |
| CN102404271A (en) * | 2011-11-23 | 2012-04-04 | 广东盛路通信科技股份有限公司 | Device and method for narrowband interference suppression of OFDM (orthogonal frequency division multiplexing) receiver |
| CN103166656A (en) * | 2011-12-14 | 2013-06-19 | 英飞凌科技股份有限公司 | System and method for an RF receiver |
| CN203135865U (en) * | 2013-03-20 | 2013-08-14 | 东莞宇龙通信科技有限公司 | Mobile terminal for alleviating interference of LTE (Long Term Evolution) emission in GPS (Global Position System) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110166065A (en) * | 2019-05-24 | 2019-08-23 | 维沃移动通信有限公司 | Signal processing method, network collocating method and relevant device |
| CN110138411A (en) * | 2019-05-31 | 2019-08-16 | 维沃移动通信有限公司 | Radio circuit, signal processing method, device and terminal |
| CN110311705A (en) * | 2019-06-28 | 2019-10-08 | 维沃移动通信有限公司 | A kind of signal processing circuit, terminal device and signal processing method |
| CN110730017A (en) * | 2019-09-25 | 2020-01-24 | 维沃移动通信有限公司 | Radio frequency device, control method thereof and terminal equipment |
| CN110868757A (en) * | 2019-11-21 | 2020-03-06 | 维沃移动通信有限公司 | Information transmission method and device and electronic equipment |
| CN110868757B (en) * | 2019-11-21 | 2024-04-09 | 维沃移动通信有限公司 | Information transmission method and device and electronic equipment |
| CN110971335B (en) * | 2019-11-25 | 2023-12-22 | 维沃移动通信有限公司 | Signal processing method and device and electronic equipment |
| CN110971335A (en) * | 2019-11-25 | 2020-04-07 | 维沃移动通信有限公司 | Signal processing method and device and electronic equipment |
| CN111082814A (en) * | 2019-12-13 | 2020-04-28 | 惠州Tcl移动通信有限公司 | Method and device for downlink signal transmission in dual-connection architecture, and terminal |
| CN112532270B (en) * | 2020-10-28 | 2022-11-01 | 深圳市锐尔觅移动通信有限公司 | Radio frequency circuit, terminal equipment and radio frequency signal processing method |
| CN112532270A (en) * | 2020-10-28 | 2021-03-19 | 深圳市锐尔觅移动通信有限公司 | Radio frequency circuit, terminal equipment and radio frequency signal processing method |
| CN112953592A (en) * | 2021-01-22 | 2021-06-11 | RealMe重庆移动通信有限公司 | Radio frequency circuit, electronic equipment and transmission method of radio frequency signal |
| WO2023024853A1 (en) * | 2021-08-23 | 2023-03-02 | 展讯通信（深圳）有限公司 | Radio frequency circuit and radio frequency signal transmission method |
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