CN106341150B - The radio circuit and mobile terminal of carrier wave polymerization - Google Patents
The radio circuit and mobile terminal of carrier wave polymerization Download PDFInfo
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- CN106341150B CN106341150B CN201610891728.7A CN201610891728A CN106341150B CN 106341150 B CN106341150 B CN 106341150B CN 201610891728 A CN201610891728 A CN 201610891728A CN 106341150 B CN106341150 B CN 106341150B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/3827—Portable transceivers
- H04B1/3833—Hand-held transceivers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/50—Circuits using different frequencies for the two directions of communication
- H04B1/52—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa
- H04B1/525—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa with means for reducing leakage of transmitter signal into the receiver
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Abstract
The present invention provides the radio circuit and mobile terminal of a kind of carrier wave polymerization, and the radio circuit of carrier wave polymerization includes: main carrier link, secondary carrier link and front end module, and the main carrier link, secondary carrier link are connect with front end module respectively；The main carrier link includes the first power amplifier and filter module of connection；First power amplifier is for amplifying to obtain amplified signal the transmitting signal in main carrier signal；For being filtered out the default harmonic component in amplified signal to obtain echo signal, which launches the filter module by front end module；Wherein, the frequency of the default harmonic component is located in the received passband of the secondary carrier link.The present invention has the beneficial effect for reducing harmonic wave interference.
Description
Technical field
The present invention relates to the communications fields, more particularly to the radio circuit and mobile terminal of a kind of polymerization of carrier wave.
Background technique
The whole people enter the forth generation communication technology 4G epoch, and operator requires 4G+ at present, is technically exactly carrier wave
(Carrier Aggregation) technology of polymerization.
Realize that the carrier wave polymerization of two channels needs two frequency ranges to have a high-isolation in technology, when a band operation,
Another frequency range cannot be influenced, if isolation not enough if will affect the reception of another frequency range.For example, B8 frequency range and B7 frequency
When Duan Jinhang carrier wave polymerize or when B8 frequency range polymerize with B3 frequency range progress carrier wave.Main carrier point of the B8 frequency range as main plot
It measures (PCC), the secondary carrier component of B3 or B7 as secondary cell, the second harmonic of B8 frequency range can be fallen in the reception band of B3 frequency range,
The triple-frequency harmonics of B8 frequency range is fallen in the reception band of B7 frequency range, be will cause and is interfered the signal of the secondary carrier component of secondary cell received
Problem.
Summary of the invention
The embodiment of the present invention provides the radio circuit and mobile terminal of a kind of carrier wave polymerization, to solve existing carrier wave polymerization
Radio circuit the technical issues of harmonic wave interference is generated when carrier wave polymerize.
The embodiment of the present invention provides a kind of radio circuit of carrier wave polymerization, comprising: main carrier link, secondary carrier link and
Front end module, the main carrier link, secondary carrier link are connect with front end module respectively；
The main carrier link includes the first power amplifier and filter module of connection；First power amplifier
For amplifying the transmitting signal in main carrier signal to obtain amplified signal；The filter module is used for amplified signal
In default harmonic component filtered out to obtain echo signal, the echo signal is launched by front end module；Wherein,
The frequency of the default harmonic component is located in the received passband of the secondary carrier link.
The present invention also provides a kind of mobile terminal, the radio circuit of carrier wave polymerization described in any of the above embodiments.
Compared to the prior art, the radio circuit of the carrier wave polymerization in the present invention, by by the hair in main carrier signal
The default harmonic component penetrated in the harmonic signal that signal generates after amplification filters out, and the frequency of the default harmonic component is located at auxiliary
In the received passband of carrier link, so that the default harmonic component for avoiding the transmitting signal of main carrier from generating after amplification is to auxiliary load
The interference of the received passband of wave link has the beneficial effect for reducing harmonic wave interference.
Detailed description of the invention
With reference to the accompanying drawing, by the way that detailed description of specific embodiments of the present invention, technical solution of the present invention will be made
And other beneficial effects are apparent.
Fig. 1 is the structure chart of the first preferred embodiment for the radio circuit that carrier wave of the invention polymerize；
Fig. 2 is the structure chart of the filter module of the radio circuit of the carrier wave polymerization in embodiment illustrated in fig. 1 of the present invention；
Fig. 3 is the structure chart of the second preferred embodiment of the radio circuit that carrier wave of the invention polymerize；
Fig. 4 is the structure chart of a preferred embodiment of mobile terminal of the invention.
Specific embodiment
Schema is please referred to, wherein identical component symbol represents identical component, the principle of the present invention is to implement one
It is illustrated in computing environment appropriate.The following description be based on illustrated by the specific embodiment of the invention, should not be by
It is considered as the limitation present invention other specific embodiments not detailed herein.
In the following description, specific embodiments of the present invention will refer to the operation as performed by one or multi-section computer
The step of and symbol illustrate, unless otherwise stating clearly.Therefore, these steps and operation be will appreciate that, mentioned for several times wherein having
It include by representing with the computer disposal list of the electronic signal of the data in a structuring pattern to be executed by computer
Member is manipulated.At this manipulation transforms data or the position being maintained in the memory system of the computer, it can match again
Set or in addition change in a manner familiar to those skilled in the art the running of the computer.The maintained data knot of the data
Structure is the provider location of the memory, has the specific feature as defined in the data format.But the principle of the invention is with above-mentioned
Text illustrates, is not represented as a kind of limitation, those skilled in the art will appreciate that plurality of step as described below and
Operation also may be implemented in hardware.
Term " first ", " second " and " third " in the present invention etc. are for distinguishing different objects, rather than for retouching
State particular order.In addition, term " includes " and " having " and their any deformations, it is intended that cover and non-exclusive include.
Embodiment one
Fig. 1 is please referred to, Fig. 1 is the structure chart of the first preferred embodiment for the radio circuit that carrier wave of the invention polymerize.?
In the present embodiment, the radio circuit of carrier wave polymerization includes: main carrier link 102, secondary carrier link 103 and front end module
104, the main carrier link 102, secondary carrier link 103 connect with front end module 104 respectively
It can specifically, as shown in Figure 1, the radio circuit of carrier wave polymerization further include: radio-frequency receiving-transmitting mould group 101, main carrier
Link 102 is for handling main carrier signal, secondary carrier link 103 is used to handle secondary carrier signal.Wherein, should
Radio-frequency receiving-transmitting mould group 101, main carrier link 102 and front end module 104 are sequentially connected, radio-frequency receiving-transmitting mould group 101, secondary carrier chain
Road 102 and front end module 104 are sequentially connected.
Further specifically, which has the first signal sending end, second signal transmitting terminal, second
Signal receiving end and the first signal receiving end.Wherein, first signal sending end and the first signal receiving end and the main load
Wave link 102 connects, and the second signal transmitting terminal and second signal receiving end are connect with the secondary carrier link 103 respectively.
In the present embodiment, main carrier signal is low frequency signal, such as the signal of B8 frequency range.Secondary carrier signal is medium-high frequency
Signal, such as the signal of B3 frequency range or B7 frequency range.
The radio-frequency receiving-transmitting mould group 101 sends main carrier signal to the main carrier link 102 by first signal sending end,
Main carrier signal is received from the main carrier link 102 by first signal receiving end.The radio-frequency receiving-transmitting mould group 101 by this
Binary signal transmitting terminal sends secondary carrier signal to the secondary carrier link, by the second signal receiving end from the secondary carrier link
103 receive secondary carrier signal.
It is understood that main carrier link 102 may include the first power amplifier 1021, filter module 1022 and
First duplexer 1023.First power amplifier 1021, filter module 1022 and first duplexer 1023 are sequentially connected.This
One power amplifier 1021 is connect with the first signal sending end of the radio-frequency receiving-transmitting mould group 101.The first duplexer 1023 with should
Front end module 104 and the radio-frequency receiving-transmitting mould group 101 connection.
First power amplifier 1021 receives the transmitting signal in main carrier signal from the radio-frequency receiving-transmitting mould group 101, and
Amplify the transmitting signal to obtain amplified signal, the amplified signal is then sent to the filter module 1022, the filter module
1022 for filtering out to obtain echo signal the default harmonic component in amplified signal, wherein the default harmonic component
Frequency be located in the received passband of secondary carrier link 102.
In the present embodiment, which is used to the echo signal being sent to front end module 104 to send.
The first duplexer 1023 is also used to for the reception signal in the received main carrier signal of front end module 104 being sent to radio frequency receipts
Send out mould group 101.
Specifically, can be referring concurrently to Fig. 2, which includes power coupler 10, signal processing submodule group 20
And combiner 30.Power coupler 10, signal processing submodule group 20 and combiner 30 are sequentially connected, the power coupler 10
It is connect with the first power amplifier 1021.The combiner 30 is connect with the first duplexer 1023.
It is understood that the power coupler 10 has input port, output port and coupling port；Signal processing
Submodule group 20 includes sequentially connected filter 21, phase inverter 22 and amplifier 23.Input port and the first power amplifier
Connection, output port are connect with combiner, and coupling port is connect with signal processing submodule group.
The amplified signal inputted from input port is exported by output port and gives the combiner 30 by the power coupler 10,
And the harmonic signal in the amplified signal is coupled to the filter 21 by coupling port, which is bandpass filtering
Device is used to extract default harmonic component from the harmonic signal and is sent to phase inverter 22.
Further, which presets harmonic component reverse phase for this and obtains the first initial reverse phase harmonic component, this is put
The first reverse phase harmonic wave to obtain the first reverse phase harmonic component, is then divided the first initial reverse phase harmonic component amplification by big device
Amount is sent to the combiner 30.The first reverse phase harmonic component is equal with the default harmonic component opposite in phase and power.
The amplified signal received and the first reverse phase harmonic component are overlapped by the combiner 30, so that the amplified signal
In default harmonic component cancel out each other with the first reverse phase harmonic component, to filter out default harmonic wave in the amplified signal point
Then the echo signal is sent to the first duplexer 1023 to obtain echo signal by amount.
In addition, the front end module 104 may include duplexer 1041 and antenna 1042 in the embodiment of the present invention, it is somebody's turn to do
Duplexer 1041 is used to receive signal or transmitting signal by the antenna 1042.
Radio-frequency receiving-transmitting mould group 101, the first power amplifier 1021, filter module 1022, first duplexer 1023, antenna are opened
Pass 1041 and antenna 1042 are in turn connected to form the transmitting path of main carrier signal.
Radio-frequency receiving-transmitting mould group 101, first duplexer 1023, duplexer 1041 and antenna 1042 are in turn connected to form master
The receiving path of carrier signal.
Radio-frequency receiving-transmitting mould group 101, the second power amplifier 1031, the second duplexer 1032, duplexer 1041 and day
Line 1042 is in turn connected to form the transmitting path of secondary carrier signal.
Radio-frequency receiving-transmitting mould group 101, the second duplexer 1032, duplexer 1041 and antenna 1042 are in turn connected to form auxiliary
The receiving path of carrier component.
When work, such as the main carrier signal is B8 frequency range, which is B3 frequency range, the secondary carrier of the B8 frequency range
The transmitting signal of signal amplifies in first power amplifier 1021, obtains amplified signal, has in the amplified signal
Default harmonic component, is herein second harmonic, and the reception that the frequency of the second harmonic of the B8 frequency range is located at secondary carrier link is logical
In band, which obtains echo signal after filtering out the default harmonic component, and the echo signal is sent to first
Then duplexer 1023 is sent by the front end module 104.
From the foregoing, it will be observed that the radio circuit of carrier wave provided by the invention polymerization, by by the transmitting signal in main carrier signal
Default harmonic component in the harmonic signal generated after amplification filters out, and the frequency of the default harmonic component is located at secondary carrier chain
In the received passband on road, so that the default harmonic component for avoiding the transmitting signal of main carrier from generating after amplification is to secondary carrier link
Received passband interference, have reduce harmonic wave interference beneficial effect.
Embodiment two
Referring to figure 3., Fig. 3 is the structure chart of the second preferred embodiment of the radio circuit that carrier wave of the invention polymerize.It should
Carrier wave polymerization radio circuit include:
Radio-frequency receiving-transmitting mould group 101, main carrier link 102, secondary carrier link 103 and front end module 104.Wherein, this is penetrated
Frequency transmitting-receiving mould group 101, main carrier link 102 and front end module 104 are sequentially connected, radio-frequency receiving-transmitting mould group 101, secondary carrier link
102 and front end module 104 be sequentially connected.
Specifically, which there is the first signal sending end, second signal transmitting terminal, second signal to connect
Receiving end and the first signal receiving end.Wherein, first signal sending end and the first signal receiving end and the main carrier link
102 connections, the second signal transmitting terminal and second signal receiving end are connect with the secondary carrier link 103 respectively.
The radio-frequency receiving-transmitting mould group 101 sends main carrier signal to the main carrier link 102 by first signal sending end,
Main carrier signal is received from the main carrier link 102 by first signal receiving end.The radio-frequency receiving-transmitting mould group 101 by this
Binary signal transmitting terminal sends secondary carrier signal to the secondary carrier link, by the second signal receiving end from the secondary carrier link
103 receive secondary carrier signal.
Main carrier link 102 includes the first power amplifier 1021, filter module 1022 and first duplexer 1023.The
One power amplifier 1021, filter module 1022 and first duplexer 1023 are sequentially connected.First power amplifier 1021
It is connect with the first signal sending end of the radio-frequency receiving-transmitting mould group 101.The first duplexer 1023 and the front end module 104 and should
Radio-frequency receiving-transmitting mould group 101 connects.
First power amplifier 1021 receives the transmitting signal in main carrier signal from the radio-frequency receiving-transmitting mould group 101, and
Amplify the transmitting signal to obtain amplified signal, the amplified signal is then sent to the filter module 1022, the filter module
1022 for filtering out to obtain echo signal the default harmonic component in amplified signal, wherein the default harmonic component
Frequency be located in the received passband of secondary carrier link 102.
Wherein, which is used to the echo signal being sent to front end module 104 to send.This first pair
Work device 1023 is also used to the reception signal in the received main carrier signal of front end module 104 being sent to the radio-frequency receiving-transmitting mould group
101。
In the present embodiment, the filter module 1022 may include power coupler 10, signal processing submodule group 20 and
Combiner 30.Power coupler 10, signal processing submodule group 20 and combiner 30 are sequentially connected, the power coupler 10 and
The connection of one power amplifier 1021.The combiner 30 is connect with the first duplexer 1023.
It is understood that the power coupler 10 has input port, output port and coupling port；Signal processing
Submodule group 20 includes sequentially connected phase inverter 22, amplifier 23 and filter 21.Input port and the first power amplifier
1021 connections, output port are connect with combiner 30, and coupling port is connect with signal processing submodule group 20.
The amplified signal inputted from input port is exported by output port and gives the combiner 30 by the power coupler 10,
And the harmonic signal in the amplified signal is coupled to the phase inverter 22 by coupling port.
Phase inverter 22 is used for harmonic signal reverse phase to obtain reverse phase harmonic signal.
Amplifier 23 is used to amplify the reverse phase harmonic signal to obtain amplification reverse phase harmonic signal, and filter 21 is used for
The first reverse phase harmonic component is extracted from amplification reverse phase harmonic signal.
Then, which is sent to the combiner 30.The first reverse phase harmonic component is default with this
Harmonic component opposite in phase and power is equal.
The amplified signal received and the first reverse phase harmonic component are overlapped by the combiner 30, so that the amplified signal
In default harmonic component cancel out each other with the first reverse phase harmonic component, to filter out default harmonic wave in the amplified signal point
Then the echo signal is sent to the first duplexer 1023 to obtain echo signal by amount.
In addition, the front end module 104 may include duplexer 1041 and antenna 1042 in the embodiment of the present invention, it is somebody's turn to do
Duplexer 1041 is used to receive signal or transmitting signal by the antenna 1042.
When work, such as the main carrier signal is B8 frequency range, which is B3 frequency range, the secondary carrier of the B8 frequency range
The transmitting signal of signal amplifies in first power amplifier 1021, obtains amplified signal, has in the amplified signal
Default harmonic component, is herein second harmonic, and the reception that the frequency of the second harmonic of the B8 frequency range is located at secondary carrier signal is logical
In band, which obtains echo signal after filtering out the default harmonic component, and the echo signal is sent to first
Then duplexer 1023 is sent by the front end module 104.
From the foregoing, it will be observed that the radio circuit of carrier wave provided by the invention polymerization, by by the transmitting signal in main carrier signal
Default harmonic component in the harmonic signal generated after amplification filters out, and the frequency of the default harmonic component is located at secondary carrier chain
In the received passband on road, so that the default harmonic component for avoiding the transmitting signal of main carrier from generating after amplification is to secondary carrier link
Received passband interference, have reduce harmonic wave interference beneficial effect.
Embodiment three
Referring to figure 4., the embodiment of the present invention also provides a kind of mobile terminal, the mobile terminal may include radio frequency (RF,
Radio Frequency) circuit 401, the memory 402, defeated that includes one or more computer readable storage medium
Enter unit 403, display unit 404, sensor 405, voicefrequency circuit 406, Wireless Fidelity (WiFi, Wireless Fidelity)
The components such as module 407, the processor 408 for including one or more than one processing core and power supply 409.This field skill
Art personnel are appreciated that the restriction of the not structure paired terminal of terminal structure shown in Fig. 4, may include more or more than illustrating
Few component perhaps combines certain components or different component layouts.Wherein:
Radio circuit 401 can be used for receiving and sending messages or communication process in, signal sends and receivees, particularly, by base station
Downlink information receive after, by one or more than one processor 408 is handled；In addition, the data for being related to uplink are sent to
Base station.
It should be noted that the radio circuit 401 is the radio circuit for carrier wave polymerization in above-described embodiment.This is penetrated
Frequency circuit 401 includes radio-frequency receiving-transmitting mould group, the main carrier link for main carrier signal, the secondary carrier chain for secondary carrier signal
Road and front end module.Wherein, which is sequentially connected, radio-frequency receiving-transmitting mould
Group, secondary carrier link and front end module are sequentially connected, and are used for so that the radio circuit 401 has in above-described embodiment
The carrier wave polymerizable functional of the radio circuit of carrier wave polymerization.
Memory 402 can be used for storing software program and module, and processor 408 is stored in memory 402 by operation
Software program and module, thereby executing various function application and data processing.Memory 402 can mainly include storage journey
Sequence area and storage data area, wherein storing program area can the (ratio of application program needed for storage program area, at least one function
Such as sound-playing function, image player function) etc.；Storage data area, which can be stored, uses created data according to terminal
(such as audio data, phone directory etc.) etc..In addition, memory 402 may include high-speed random access memory, can also include
Nonvolatile memory, for example, at least a disk memory, flush memory device or other volatile solid-state parts.Phase
Ying Di, memory 402 can also include Memory Controller, to provide processor 408 and input unit 403 to memory 402
Access.
Input unit 403 can be used for receiving the number or character information of input, and generate and user setting and function
Control related keyboard, mouse, operating stick, optics or trackball signal input.
Specifically, in a specific embodiment, input unit 403 may include that touch sensitive surface and other inputs are set
It is standby.Touch sensitive surface, also referred to as touch display screen or Trackpad, collect user on it or nearby touch operation (such as
User uses the operations of any suitable object or attachment on touch sensitive surface or near touch sensitive surface such as finger, stylus), and
Corresponding attachment device is driven according to preset formula.Optionally, touch sensitive surface may include touch detecting apparatus and touch
Two parts of controller.
Wherein, the touch orientation of touch detecting apparatus detection user, and touch operation bring signal is detected, signal is passed
Give touch controller；Touch controller receives touch information from touch detecting apparatus, and is converted into contact coordinate, then
Processor 408 is given, and order that processor 408 is sent can be received and executed.Furthermore, it is possible to using resistance-type, capacitor
The multiple types such as formula, infrared ray and surface acoustic wave realize touch sensitive surface.In addition to touch sensitive surface, input unit 403 can also be wrapped
Include other input equipments.Specifically, other input equipments can include but is not limited to physical keyboard, function key (such as volume control
Key processed, switch key etc.), trace ball, mouse, one of operating stick etc. or a variety of.
Display unit 404 can be used for showing information input by user or be supplied to user information and terminal it is various
Graphical user interface, these graphical user interface can be made of figure, text, icon, video and any combination thereof.Display
Unit 404 may include display panel, optionally, can using liquid crystal display (LCD, Liquid Crystal Display),
The forms such as Organic Light Emitting Diode (OLED, Organic Light-Emitting Diode) configure display panel.Further
, touch sensitive surface can cover display panel, after touch sensitive surface detects touch operation on it or nearby, send processing to
Device 408 is followed by subsequent processing device 408 and is provided on a display panel accordingly according to the type of touch event to determine the type of touch event
Visual output.Although touch sensitive surface and display panel are to realize input and input as two independent components in Fig. 4
Function, but in some embodiments it is possible to touch sensitive surface and display panel are integrated and realizes and outputs and inputs function.
Mobile terminal may also include at least one sensor 405, such as optical sensor, motion sensor and other sensings
Device.Specifically, optical sensor may include 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, proximity sensor can when terminal is moved in one's ear, close display panel and/
Or backlight.As a kind of motion sensor, gravity accelerometer can detect in all directions (generally three axis) and accelerate
The size of degree can detect that size and the direction of gravity when static, can be used to identify the application of mobile phone posture, (for example horizontal/vertical screen is cut
Change, dependent game, magnetometer pose calibrating), Vibration identification correlation function (such as pedometer, tap) etc.；May be used also as terminal
The other sensors such as gyroscope, barometer, hygrometer, thermometer, the infrared sensor of configuration, details are not described herein.
Voicefrequency circuit 406, loudspeaker, microphone can provide the audio interface between user and terminal.Voicefrequency circuit 406 can
By the electric signal after the audio data received conversion, it is transferred to loudspeaker, voice signal output is converted to by loudspeaker；It is another
The voice signal of collection is converted to electric signal by aspect, microphone, is converted to audio data after being received by voicefrequency circuit 406, then
After the processing of audio data output processor 408, it is sent to such as another terminal through RF circuit 401, or by audio data
Output is further processed to memory 402.Voicefrequency circuit 406 is also possible that earphone jack, with provide peripheral hardware earphone with
The communication of terminal.
WiFi belongs to short range wireless transmission technology, and terminal can help user's transceiver electronics postal by WiFi module 407
Part, browsing webpage and access streaming video etc., it provides wireless broadband internet access for user.Although Fig. 4 is shown
WiFi module 407, but it is understood that, and it is not belonging to must be configured into for terminal, it can according to need do not changing completely
Become in the range of the essence of invention and omits.
Processor 408 is the control centre of terminal, using the various pieces of various interfaces and connection whole mobile phone, is led to
It crosses operation or executes the software program and/or module being stored in memory 402, and call and be stored in memory 402
Data execute the various functions and processing data of terminal, to carry out integral monitoring to mobile phone.Optionally, processor 408 can wrap
Include one or more processing cores；Preferably, processor 408 can integrate application processor and modem processor, wherein answer
With the main processing operation system of processor, user interface and application program etc., modem processor mainly handles wireless communication.
It is understood that above-mentioned modem processor can not also be integrated into processor 408.
Mobile terminal further includes the power supply 409 (such as battery) powered to all parts, it is preferred that power supply can pass through electricity
Management system and processor 408 are logically contiguous, to realize management charging, electric discharge and power consumption by power-supply management system
The functions such as management.Power supply 409 can also include one or more direct current or AC power source, recharging system, power supply event
Hinder the random components such as detection circuit, power adapter or inverter, power supply status indicator.
From the foregoing, it will be observed that the radio circuit of carrier wave provided by the invention polymerization, by by the transmitting signal in main carrier signal
Default harmonic component in the harmonic signal generated after amplification filters out, and the frequency of the default harmonic component is located at secondary carrier chain
In the received passband on road, so that the default harmonic component for avoiding the transmitting signal of main carrier from generating after amplification is to secondary carrier link
Received passband interference, have reduce harmonic wave interference beneficial effect.
Moreover, word " preferred " used herein means serving as example, example or illustration.Feng Wen is described as " preferably
" any aspect or design be not necessarily to be construed as than other aspect or design it is more advantageous.On the contrary, the use purport of word " preferred "
Concept is being proposed in specific ways.Term "or" as used in this application is intended to mean the "or" for including and non-excluded
"or".That is, unless specified otherwise or clear from the context, " X uses A or B " means that nature includes any one of arrangement.
That is, if X uses A；X uses B；Or X uses A and B both, then " X uses A or B " is met in aforementioned any example.
Moreover, although the disclosure, this field skill has shown and described relative to one or more implementations
Art personnel will be appreciated that equivalent variations and modification based on the reading and understanding to the specification and drawings.The disclosure include it is all this
The modifications and variations of sample, and be limited only by the scope of the following claims.In particular, to by said modules (such as element,
Resource etc.) the various functions that execute, term for describing such components is intended to correspond to the specified function for executing the component
The random component (unless otherwise instructed) of energy (such as it is functionally of equal value), even if illustrated herein with execution in structure
The disclosure exemplary implementations in function open structure it is not equivalent.In addition, although the special characteristic of the disclosure
Through being disclosed relative to the only one in several implementations, but this feature can with such as can be to given or specific application
For be expectation and one or more other features combinations of other advantageous implementations.Moreover, with regard to term " includes ", " tool
Have ", " containing " or its deformation be used in specific embodiments or claims for, such term be intended to with term
The similar mode of "comprising" includes.
In conclusion although the present invention has been disclosed above in the preferred embodiment, but above preferred embodiment is not to limit
The system present invention, those skilled in the art can make various changes and profit without departing from the spirit and scope of the present invention
Decorations, therefore protection scope of the present invention subjects to the scope of the claims.
Claims (9)
1. a kind of radio circuit of carrier wave polymerization characterized by comprising main carrier link, secondary carrier link and front end mould
Group, the main carrier link, secondary carrier link are connect with front end module respectively；
The main carrier link includes the first power amplifier and filter module of connection；
First power amplifier, for amplifying the transmitting signal in main carrier signal to obtain amplified signal；
The filter module includes power coupler, signal processing submodule group and combiner；The power coupler includes defeated
Inbound port, output port and coupling port；Input port is connect with the first power amplifier, and output port and combiner connect
It connects, coupling port is connect with signal processing submodule group；
The power coupler for exporting amplified signal to combiner, and the harmonic signal in amplified signal is coupled to
Signal processing submodule group；
The signal processing submodule group, for generating the first reverse phase harmonic component according to the harmonic signal and being sent to combining
Device；
The combiner, for the first reverse phase harmonic component to be superimposed with the amplified signal, thus by pre- in amplified signal
If harmonic component is filtered out to obtain echo signal, the echo signal is launched by front end module, wherein the default harmonic wave
The frequency of component is located in the received passband of the secondary carrier link, the first reverse phase harmonic component and default harmonic component power
Equal and opposite in phase.
2. the radio circuit of carrier wave according to claim 1 polymerization, which is characterized in that the signal processing submodule group includes
Sequentially connected filter, phase inverter and amplifier, the filter are connect with coupling port, the amplifier and the conjunction
The connection of road device；
The filter, for extracting default harmonic component from the harmonic signal；
The phase inverter, for the default harmonic component reverse phase to be obtained to the first initial reverse phase harmonic component；
The amplifier, for by the amplification of the described first initial reverse phase harmonic component to obtain the first reverse phase harmonic component.
3. the radio circuit of carrier wave according to claim 1 polymerization, which is characterized in that the signal processing submodule group includes
Sequentially connected phase inverter, amplifier and filter, the amplifier are connect with coupling port, the filter and the combining
Device connection；
The phase inverter, for by the harmonic signal reverse phase to obtain reverse phase harmonic signal；
The amplifier, for amplifying the reverse phase harmonic signal to obtain amplification reverse phase harmonic signal；
The filter, for extracting the first reverse phase harmonic component from the amplification reverse phase harmonic signal.
4. the radio circuit of carrier wave polymerization according to claim 2 or 3, which is characterized in that the filter is band logical filter
Wave device.
5. the radio circuit of carrier wave according to claim 1 polymerization, which is characterized in that further include respectively with the main carrier
The radio-frequency receiving-transmitting mould group of link and secondary carrier link connection, the main carrier link further includes first duplexer；
The radio-frequency receiving-transmitting mould group, the first power amplifier, filter module, first duplexer and front end module are sequentially connected shape
At the transmitting path of main carrier signal；
The radio-frequency receiving-transmitting mould group, first duplexer and front end module are in turn connected to form the receiving path of main carrier signal.
6. the radio circuit of carrier wave polymerization according to claim 5, which is characterized in that the secondary carrier link includes second
Power amplifier and the second duplexer；
The radio-frequency receiving-transmitting mould group, the second power amplifier, the second duplexer and front end module are in turn connected to form secondary carrier
The transmitting path of signal；
The radio-frequency receiving-transmitting mould group, the second duplexer and front end module are in turn connected to form the receiving path of secondary carrier component.
7. the radio circuit of carrier wave polymerization according to claim 6, which is characterized in that the front end module includes mutually interconnecting
The duplexer and antenna connect.
8. the radio circuit of carrier wave polymerization according to claim 1, which is characterized in that the main carrier signal is low frequency letter
Number, secondary carrier signal is high frequency signal.
9. a kind of mobile terminal, which is characterized in that the radio circuit including the described in any item carrier wave polymerizations of claim 1-8.
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| CN107135012A (en) * | 2017-04-24 | 2017-09-05 | 广东欧珀移动通信有限公司 | A kind of carrier aggregation radio circuit and mobile terminal |
| CN110546908B (en) * | 2017-05-10 | 2022-03-01 | Oppo广东移动通信有限公司 | Radio frequency circuit, antenna device and electronic equipment |
| CN109104214B (en) * | 2018-07-25 | 2020-07-28 | 维沃移动通信有限公司 | Signal processing device, electronic equipment and signal processing method |
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| CN104685791A (en) * | 2012-09-26 | 2015-06-03 | 美国博通公司 | Transceiver device adapted to operate in a first communication mode and a second communication mode |
| CN104919713A (en) * | 2013-01-11 | 2015-09-16 | 株式会社村田制作所 | High-frequency switch module |
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