CN106301461A - The radio circuit of a kind of carrier aggregation and mobile terminal - Google Patents
The radio circuit of a kind of carrier aggregation and mobile terminal Download PDFInfo
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- CN106301461A CN106301461A CN201610624913.XA CN201610624913A CN106301461A CN 106301461 A CN106301461 A CN 106301461A CN 201610624913 A CN201610624913 A CN 201610624913A CN 106301461 A CN106301461 A CN 106301461A
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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 radio circuit and the mobile terminal of a kind of carrier aggregation, this radio circuit includes radio-frequency (RF) receiving and transmission module, power amplifier module and RF front-end module, and this power amplifier module includes: the first power amplification submodule, the second power amplification submodule and filtering submodule；This radio circuit visible arranges filtering submodule in power amplifier module, it is filtered processing with the harmonic power reducing the second band carrier signal to the second band carrier signal by filtering submodule, reduce and realize the harmonic wave of the second band carrier signal reception interference to the first band carrier signal during carrier aggregation, in terms of existing technologies, the quality of reception of the first band carrier signal can be promoted, and then promote the signal receiving performance of carrier aggregation.
Description
Technical field
The present invention relates to the communications field, particularly relate to radio circuit and the mobile terminal of a kind of carrier aggregation.
Background technology
Carrier aggregation (Carrier Aggregation, be called for short CA) is a kind of technology increasing transmission bandwidth, and it can be by
2～5 LTE (Long Term Evolution, i.e. Long Term Evolution) member carriers (ComponentCarrier is called for short CC) are poly-
It is combined, it is achieved the transmission bandwidth of maximum 100MHz, is effectively increased downstream transmission speed, in carrier aggregation, including
One main carrier (PCC) and at least one auxiliary carrier wave (SCC).
When the radio circuit using existing carrier aggregation realizes carrier aggregation, owing to multiple frequency range carrier waves share a merit
Rate amplifier (such as multimode multi-frequency power amplifier), therefore, when power amplifier launches multiple band carrier signal simultaneously, certain
The harmonic wave (such as secondary or triple-frequency harmonics) of individual P band carrier signal may be coupled to another Q frequency range by power amplifier
On the signal RX path of carrier wave, now, the reception of Q band carrier signal can be disturbed so that the reception matter of Q band carrier signal
Measure poor, and then cause the signal receiving performance of carrier aggregation relatively low；Such as, the secondary of low frequency PCC (main carrier) or three times humorous
Ripple can be coupled on the RX path of medium-high frequency section SCC (auxiliary carrier wave) by power amplifier, and its meeting centering high band SCC connects
Receive and produce interference, make the quality of reception of medium-high frequency section SCC be deteriorated.
Summary of the invention
The embodiment of the present invention provides radio circuit and the mobile terminal of a kind of carrier aggregation, can solve existing radio circuit
The technical problem that the signal receiving performance of carrier aggregation is relatively low can be caused.
The embodiment of the present invention provides the radio circuit of a kind of carrier aggregation, comprising: radio-frequency (RF) receiving and transmission module, power amplification mould
Block and RF front-end module, described power amplifier module includes: the first power amplification submodule, the second power amplification submodule
And filtering submodule；
Described radio-frequency (RF) receiving and transmission module, for sending the first band carrier signal to described first merit by the first radio frequency path
Rate amplifies submodule, and sends the second band carrier signal to described second power amplification submodule by the second radio frequency path
Block；
Described first power amplification submodule, is sent to after described first band carrier signal is carried out power amplification
Described RF front-end module；
Described second power amplification submodule, is sent to institute after described second band carrier signal is entered power amplification
State filtering submodule；
Described filtering submodule, is sent to described after being filtered the second band carrier signal after power amplification
RF front-end module；
Described RF front-end module, the first band carrier signal after outwardly transmit power is amplified and filtered
Second band carrier signal.
In radio circuit of the present invention, described second power amplification submodule is to be amplified electricity by least two single-stage
The multistage amplifier circuit of road cascade composition；Described multistage amplifier circuit has signal input part and signal output part；
Described signal input part is connected with described radio-frequency (RF) receiving and transmission module, is used for receiving radio-frequency (RF) receiving and transmission module by the second radio frequency
The second band carrier signal that path sends；
Described signal output part is connected with described filtering submodule, for by the second band carrier signal after power amplification
It is sent to described filtering submodule.
In radio circuit of the present invention, described second power amplification submodule can be single-stage amplifying circuit, institute
State single-stage amplifying circuit and there is signal input part and signal output part；
Described signal input part is connected with described radio-frequency (RF) receiving and transmission module, is used for receiving radio-frequency (RF) receiving and transmission module by the second radio frequency
The second band carrier signal that path sends；
Described signal output part is connected with described filtering submodule, for by the second band carrier signal after power amplification
It is sent to described filtering submodule.
In radio circuit of the present invention, described single-stage amplifying circuit is made up of the cascade of multiple amplifiers；Described merit
Rate amplification module also includes: power supply circuits；
Described power supply circuits are connected with described amplifier respectively, are used for providing voltage to exist to described amplifier, described voltage
Between 0.7v to 3.9v；
Described amplifier, for being amplified processing to the second band carrier signal of input according to described voltage.
In radio circuit of the present invention, described RF front-end module, it is additionally operable to receive extraneous first frequency range carrier wave
Signal, extraneous second band carrier signal, and by the 3rd radio frequency path, described extraneous first band carrier signal is sent to
Described radio-frequency (RF) receiving and transmission module, by the 4th radio frequency path, described extraneous second band carrier signal is sent to described radio-frequency receiving-transmitting
Module.
In radio circuit of the present invention, described RF front-end module, including: antenna, radio-frequency (RF) switch, the first duplex
Device and the second duplexer；
Described first duplexer respectively with described radio-frequency (RF) receiving and transmission module, described first power amplification submodule, described radio frequency
Switch connects, for the first band carrier signal after power amplification being transferred to radio-frequency (RF) switch and using the 3rd radio frequency
The external world's the first band carrier signal that radio-frequency (RF) switch is transmitted by path is sent to described radio-frequency (RF) receiving and transmission module；
Described second duplexer is connected with described radio-frequency (RF) receiving and transmission module, described filtering submodule, described radio-frequency (RF) switch respectively,
For described filtered second band carrier signal being transferred to radio-frequency (RF) switch and using the 4th radio frequency path to be opened by radio frequency
The external world's the second band carrier signal biography closing transmission is sent to described radio-frequency (RF) receiving and transmission module；
Described radio-frequency (RF) switch is also connected with described antenna, the after being amplified by described antenna outwardly transmit power
One band carrier signal and filtered second band carrier signal, and the extraneous first carrier letter that described antenna is received
The external world's the second carrier signal transmission that described antenna number is transferred to described first duplexer, receive gives described second duplex
Device.
In radio circuit of the present invention, described power amplifier module has the first signal receiving end, secondary signal
Receiving terminal, the first signal sending end and secondary signal transmitting terminal；
Described first signal receiving end is connected and with described with described radio-frequency (RF) receiving and transmission module by described first radio-frequency channel
First power amplification submodule connects, and the first band carrier signal for described radio-frequency (RF) receiving and transmission module being sent is transferred to described
First power amplification submodule；
Described first signal sending end is connected with described first power amplification submodule, first duplexer respectively, and being used for will
The first band carrier signal after power amplification is sent to described first duplexer；
Described secondary signal receiving terminal is connected and with described with described radio-frequency (RF) receiving and transmission module by described second radio-frequency channel
The signal input part of the second power amplification submodule connects, for the second frequency range carrier wave letter described radio-frequency (RF) receiving and transmission module sent
Number it is transferred to described second power amplification submodule；
Described secondary signal transmitting terminal is connected with described filtering submodule, the second duplexer respectively, for filtering submodule
Second band carrier signal of block output is sent to described second duplexer.
In radio circuit of the present invention, also include: wave filter；
Described wave filter is connected with described first signal sending end, described first duplexer respectively, for the first signal
First band carrier signal of transmitting terminal output is filtered, and by extremely the most described for filtered first band carrier signal transmission the
One duplexer.
In radio circuit of the present invention, described filtering submodule is passive filter or filter matching network.
The embodiment of the present invention additionally provides a kind of mobile terminal, and it includes radio circuit as above.
Embodiments providing the radio circuit of a kind of carrier aggregation, this radio circuit sets in power amplifier module
Put filtering submodule, be filtered processing to reduce the second frequency range carrier wave letter to the second band carrier signal by filtering submodule
Number harmonic power, reduce realize the harmonic wave of the second band carrier signal reception to the first band carrier signal during carrier aggregation
Interference, in terms of existing technologies, can promote the quality of reception of the first band carrier signal, and then promote carrier aggregation
Signal receiving performance.
Accompanying drawing explanation
The structural representation of the radio circuit of the first carrier aggregation that Fig. 1 provides for the embodiment of the present invention；
The structural representation of the radio circuit of the second carrier aggregation that Fig. 2 provides for the embodiment of the present invention；
The structural representation of a kind of single-stage amplifying circuit that Fig. 3 provides for the embodiment of the present invention；
The structural representation of the radio circuit of the third carrier aggregation that Fig. 4 provides for the embodiment of the present invention；
The structural representation of the radio circuit of the 4th kind of carrier aggregation that Fig. 5 provides for the embodiment of the present invention；
The structural representation of the radio circuit of the 5th kind of carrier aggregation that Fig. 6 provides for the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on
Embodiment in the present invention, the every other enforcement that those skilled in the art are obtained under not making creative work premise
Example, broadly falls into the scope of protection of the invention.
Refer to the structural representation of the radio circuit of a kind of carrier aggregation that Fig. 1, Fig. 1 provide for the embodiment of the present invention.
The radio circuit of this carrier aggregation includes radio-frequency (RF) receiving and transmission module 21, power amplifier module 22 and RF front-end module 23, specifically
As follows；
Power amplifier module 22 includes: first power amplification submodule the 220, second power amplification submodule 221 and filter
Marble module 222；
Radio-frequency (RF) receiving and transmission module 21 respectively with described first power amplification submodule 220, described second power amplification submodule
221 connect, for sending the first band carrier signal to described first power amplification submodule by the first radio frequency path 25
220, and send the second band carrier signal to described second power amplification submodule 221 by the second radio frequency path 26；
First power amplification submodule 220 is connected with described RF front-end module 23, for described first frequency range carrier wave
Signal is sent to described RF front-end module 23 after carrying out power amplification；
Second power amplification submodule 221 is connected with described filtering submodule 222, for described second frequency range carrier wave letter
It is sent to described filtering submodule 222 after number entering power amplification；
Filtering submodule 222 is connected with described RF front-end module 23, for described second power amplification submodule 221
The second band carrier signal sent is sent to described RF front-end module 23 after being filtered；
RF front-end module 23, the first band carrier signal after outwardly transmit power is amplified and filtered the
Two band carrier signal, and be additionally operable to receive extraneous first band carrier signal, extraneous second band carrier signal, and pass through
Described extraneous first band carrier signal is sent to described radio-frequency (RF) receiving and transmission module 21, by the 4th radio frequency by the 3rd radio frequency path 27
Described extraneous second band carrier signal is sent to described radio-frequency (RF) receiving and transmission module 21 by path 28.
In the present embodiment the first radio frequency path 25 for transmission the first band carrier signal to power amplification submodule 220,
This first radio frequency path 25 can be can the radio-frequency line of transmitting radio frequency signal, this radio-frequency line can have multiple, such as, permissible
Only it is made up of radio frequency cabling, or can also be made up of with other radio frequency transmission components and parts radio frequency cabling, the structure of radio-frequency line
One-tenth can set according to the actual requirements.In like manner the second radio frequency path the 206, the 3rd radio frequency path the 207, the 4th radio frequency path 208 is equal
Can be the radio-frequency line of energy transmitting radio frequency signal, the composition of this radio-frequency line can set according to the actual requirements.
In the present embodiment, described filtering submodule 222 can be passive filter or filter matching network or its
His wave filter.
In the present embodiment, radio-frequency (RF) receiving and transmission module 21 can be rf chip, and power amplifier module can be that multimode is many
Frequently power amplifier (MMMB PA) etc..Wherein, the first band carrier signal can be medium-high frequency section carrier signal, i.e. frequency range falls
Entering the carrier signal that the first predeterminated frequency is interval, this first band carrier signal can be the most permissible as auxiliary carrier signal
For medium-high frequency SCC, such as the auxiliary carrier signal etc. of B3 frequency range；This second band carrier signal is low-frequency range carrier signal, i.e. frequency range
Falling into the carrier signal in the second predeterminated frequency region, this second band carrier signal can specifically may be used as main carrier signal
Main carrier signal etc. with low frequency PCC, such as B8 frequency range.
Alternatively, in the present embodiment, the second power amplification submodule 221 can be multistage amplifier circuit, this multistage amplification electricity
Road can be made up of the cascade of at least two single-stage amplifying circuit, and described multistage amplifier circuit has signal input part and signal output
End, described signal input part is connected with described radio-frequency (RF) receiving and transmission module 21, for receiving the second frequency that radio-frequency (RF) receiving and transmission module 21 sends
Section carrier signal；
Described signal output part is connected with described RF front-end module 23, for amplifying through described multistage amplifier circuit
After the second band carrier signal be sent to described RF front-end module 23.
Such as, shown in Fig. 2, this second power amplification submodule 221 can be by n single-stage amplifying circuit 2210 cascaded series
The multistage amplifier circuit become, n is more than 1, and is positive integer, wherein, this second power amplification submodule i.e. multistage amplifier circuit 221
There is signal input part 221a and signal output part 221b, this signal input part 221a by the second radio frequency path and radio-frequency receiving-transmitting
Module 21 connects, and receives the second band carrier signal that radio-frequency (RF) receiving and transmission module is sent by this second radio frequency path, and this signal is defeated
Go out to hold 221b to be connected with filtering submodule 222, after amplified by this multistage amplifier circuit 221 the second of (i.e. after power amplification)
Frequency range sub-carrier signal is sent to filter submodule 222.
Alternatively, in the present embodiment, the second power amplification submodule 221 can also be a single-stage amplifying circuit, now,
Single-stage amplifying circuit has signal input part and signal output part, and described signal input part is connected with described radio-frequency (RF) receiving and transmission module,
For receiving the second band carrier signal that radio-frequency (RF) receiving and transmission module is sent, described signal output part and institute by the second radio frequency path
State filtering submodule to connect, for will after described multistage amplifier circuit amplifies the second frequency range carrier wave of (i.e. after power amplification)
Signal is sent to described filtering submodule.
In the present embodiment, this single-stage amplifying circuit 2210 can be made up of multiple amplifiers (PA) cascade, such as, as
Shown in Fig. 3, this single-stage amplifying circuit 2210 can be in series by n amplifier PA, and this n is more than 1, and is positive integer.
Radio circuit shown in above-mentioned Fig. 1 and Fig. 2 arranges filtering submodule in power amplifier module, so can pass through
Filtering submodule is filtered processing the harmonic power reducing the second band carrier signal to the second band carrier signal, reduces
Realize the harmonic wave of the second band carrier signal during carrier aggregation to disturb, the reception of the first band carrier signal relative to existing skill
For art, the quality of reception of the first band carrier signal can be promoted, and then promote the signal receiving performance of carrier aggregation.
In order to reduce the harmonic wave of the second band carrier signal further, the present embodiment can improve the voltage of amplifier (i.e.
Bias voltage), with the linearity of boost amplifier, specifically, the voltage of amplifier can between 0.7v to 3.9v (existing electricity
It is 0.6-3.7v between nip)；Such as, with reference to Fig. 4, in the present embodiment, power amplifier module 22 can also include: power supply circuits
223, these power supply circuits 223 are connected with the amplifier PA in single-stage amplifying circuit 2210 respectively, are used for providing voltage to this amplification
Device, wherein, voltage is between 0.7v to 3.9v；Now this amplifier, for carrying the second frequency range of input according to described voltage
Ripple signal is amplified processing.
In the present embodiment, RF front-end module 23 is for realizing the first band carrier signal and the second band carrier signal
Transmitting-receiving, this RF front-end module 23 can be made up of radio-frequency (RF) switch, duplexer and antenna, specifically, with reference to Fig. 5, radio frequency
Front-end module 23 may include that antenna 230, radio-frequency (RF) switch 231, first duplexer 232 and the second duplexer 233；
Described first duplexer 232 respectively with described radio-frequency (RF) receiving and transmission module 21, described first power amplification submodule 220,
Described radio-frequency (RF) switch 231 connects, for the first band carrier signal (the i.e. power sent by the first power amplification submodule 220
The first frequency band signals after amplification) it is transferred to radio-frequency (RF) switch 231 and uses radio-frequency (RF) switch 231 the 3rd radio frequency path 27
The external world's first band carrier signal of transmission is sent to described radio-frequency (RF) receiving and transmission module 21；With reference to Fig. 5, this first duplexer 232
Signal transmitting terminal 232a is connected with radio-frequency (RF) receiving and transmission module 21 by the 3rd radio frequency path 27, and the signal of this first duplexer 232 is defeated
Enter to hold 232b and the first power amplification submodule 220 to connect, the signal transmitting and receiving end 232c of this first duplexer 232 and radio-frequency (RF) switch
231 connect；
Described second duplexer 233 respectively with described radio-frequency (RF) receiving and transmission module 21, described filtering submodule 222, described radio frequency
Switch 231 connection, for the second band carrier signal (the most filtered second frequency range sent by described filtering submodule 222
Carrier signal) it is transferred to radio-frequency (RF) switch 231 and the external world second using the 4th radio frequency path 28 radio-frequency (RF) switch 231 to be transmitted
Band carrier signal passes and is sent to described radio-frequency (RF) receiving and transmission module 21；With reference to Fig. 5, the signal input part of this second duplexer 233
233a is connected with filtering submodule 222, and the signal transmitting terminal 233b of the second duplexer 233 passes through the 4th radio frequency path 28 and radio frequency
Transceiver module 21 connects, and the signal transmitting and receiving end 233c of the second duplexer 233 is connected with radio-frequency (RF) switch 231；
Described radio-frequency (RF) switch 231 is also connected with described antenna 230, for by described antenna 230 outwardly transmit power
The first band carrier signal after amplification and filtered second band carrier signal, and described antenna 230 is received
Extraneous first carrier signal is transferred to described first duplexer 232, the external world's the second carrier signal received by described antenna 230
It is transferred to described second duplexer 233.
With reference to Fig. 5, this power amplifier module 22 also have the first signal receiving end 22a, secondary signal receiving terminal 22b, the
One signal sending end 22c and secondary signal transmitting terminal 22d；
Described first signal receiving end 22a be connected with described radio-frequency (RF) receiving and transmission module 21 by described first radio-frequency channel and
It is connected with described first power amplification submodule 220, for the first frequency range carrier wave letter that described radio-frequency (RF) receiving and transmission module 21 is sent
Number it is transferred to described first power amplification submodule 220；
Described first signal sending end 22c is respectively with described first power amplification submodule 220, first duplexer 232 even
Connect, for the first band carrier signal (i.e. the first frequency range load after power amplification that the first power amplification submodule 220 is exported
Ripple signal) it is sent to described first duplexer 232；
Described secondary signal receiving terminal 22b be connected with described radio-frequency (RF) receiving and transmission module 21 by described second radio-frequency channel and
Be connected with the signal input part of described second power amplification submodule 221, for described radio-frequency (RF) receiving and transmission module 21 is sent the
Two band carrier signal (the most filtered second band carrier signal) are transferred to described second power amplification submodule 221；
Described secondary signal transmitting terminal 22d is connected with described filtering submodule the 222, second duplexer 233 respectively, and being used for will
Second band carrier signal of filtering submodule 222 output is sent to described second duplexer 233.
The present embodiment can also arrange wave filter on the transmission path of the first band carrier signal, such as, with reference to Fig. 6,
This radio circuit also includes wave filter 24, described wave filter 24 respectively with described first signal sending end 22c, described first duplex
Device 232 (the signal input part 232b of first duplexer 232) connects, for the first frequency to the first signal sending end 22c output
Section carrier signal is filtered, and by filtered first band carrier signal transmission to described first duplexer 232.
Wherein, this wave filter 24 can be passive filter or filter matching network or other wave filter.
The radio circuit that the embodiment of the present invention provides arranges filtering submodule in power amplifier module, by filtering submodule
Second band carrier signal is filtered processing to reduce the harmonic power of the second band carrier signal by block, reduces and realizes carrier wave
During polymerization, the reception of the first band carrier signal is disturbed by the harmonic wave of the second band carrier signal, and this radio circuit is all right
The linearity of boost amplifier is carried out, such that it is able to reduce the second frequency by improving the bias voltage of amplifier in power amplifier module
The harmonic wave of section carrier signal, suppression harmonic wave interference, promote the signal receiving performance of carrier aggregation, improve user and use specific
Downloading rate during frequency range combination CA network.
Decay the second band carrier signal additionally, the radio circuit that the embodiment of the present invention provides can also increase wave filter
Harmonic wave, the reception of the first band carrier signal is disturbed by the harmonic wave reducing further the second band carrier signal, carries further
Rise the signal receiving performance of carrier aggregation.
The embodiment of the present invention also provides for a kind of mobile terminal, and this mobile terminal includes the radio frequency electrical of above-mentioned carrier aggregation
Road, this radio circuit includes radio-frequency (RF) receiving and transmission module, power amplifier module and RF front-end module；
Described power amplifier module includes: the first power amplification submodule, the second power amplification submodule and filtering
Module；
Described radio-frequency (RF) receiving and transmission module is respectively with described first power amplification submodule, described second power amplification submodule even
Connect, for sending the first band carrier signal to described first power amplification submodule by the first radio frequency path, and pass through
Second radio frequency path sends the second band carrier signal to described second power amplification submodule；
Described first power amplification submodule is connected with described RF front-end module, for described first frequency range carrier wave letter
It is sent to described RF front-end module after number carrying out power amplification；
Described second power amplification submodule is connected with described filtering submodule, for described second band carrier signal
Described filtering submodule it is sent to after entering power amplification；
Described filtering submodule is connected with described RF front-end module, for sending described second power amplification submodule
The second band carrier signal be filtered after be sent to described RF front-end module；
Described RF front-end module, for outwardly sending the first band carrier signal and the second band carrier signal, with
And receive extraneous first band carrier signal, extraneous second band carrier signal, and by the 3rd radio frequency path by the described external world
First band carrier signal is sent to described radio-frequency (RF) receiving and transmission module, by the 4th radio frequency path by described extraneous second frequency range carrier wave
Signal is sent to described radio-frequency (RF) receiving and transmission module.
The mobile terminal that the embodiment of the present invention provides arranges filtering submodule in power amplifier module, by filtering submodule
Second band carrier signal is filtered processing to reduce the harmonic power of the second band carrier signal by block, reduces and realizes carrier wave
During polymerization, the reception of the first band carrier signal is disturbed by the harmonic wave of the second band carrier signal, and this radio circuit is all right
The linearity of boost amplifier is carried out, such that it is able to reduce the second frequency by improving the bias voltage of amplifier in power amplifier module
The harmonic wave of section carrier signal, suppression harmonic wave interference, promote the signal receiving performance of carrier aggregation, improve user and use specific
Downloading rate during frequency range combination CA network.
In sum, although the present invention is disclosed above with preferred embodiment, but above preferred embodiment and be not used to limit
The present invention processed, those of ordinary skill in the art, without departing from the spirit and scope of the present invention, all can make various change and profit
Decorations, therefore protection scope of the present invention defines in the range of standard with claim.
Claims (10)
1. the radio circuit of a carrier aggregation, it is characterised in that including: radio-frequency (RF) receiving and transmission module, power amplifier module and penetrate
Frequently front-end module, described power amplifier module includes: the first power amplification submodule, the second power amplification submodule and filtering
Submodule；
Described radio-frequency (RF) receiving and transmission module, puts to described first power for sending the first band carrier signal by the first radio frequency path
Big submodule, and send the second band carrier signal to described second power amplification submodule by the second radio frequency path；
Described first power amplification submodule, is sent to described after described first band carrier signal is carried out power amplification
RF front-end module；
Described second power amplification submodule, is sent to described filter after described second band carrier signal is entered power amplification
Marble module；
Described filtering submodule, is sent to described radio frequency after being filtered the second band carrier signal after power amplification
Front-end module；
Described RF front-end module, the first band carrier signal and filtered second after outwardly transmit power is amplified
Band carrier signal.
2. radio circuit as claimed in claim 1, it is characterised in that described second power amplification submodule is by least two
The multistage amplifier circuit of single-stage amplifying circuit cascade composition；Described multistage amplifier circuit has signal input part and signal output
End；
Described signal input part is connected with described radio-frequency (RF) receiving and transmission module, is used for receiving radio-frequency (RF) receiving and transmission module by the second radio frequency path
The second band carrier signal sent；
Described signal output part is connected with described filtering submodule, for being sent by the second band carrier signal after power amplification
To described filtering submodule.
3. radio circuit as claimed in claim 1, it is characterised in that described second power amplification submodule can be that single-stage is put
Big circuit, described single-stage amplifying circuit has signal input part and signal output part；
Described signal input part is connected with described radio-frequency (RF) receiving and transmission module, is used for receiving radio-frequency (RF) receiving and transmission module by the second radio frequency path
The second band carrier signal sent；
Described signal output part is connected with described filtering submodule, for being sent by the second band carrier signal after power amplification
To described filtering submodule.
4. radio circuit as claimed in claim 2 or claim 3, it is characterised in that described single-stage amplifying circuit is by multiple amplifier stages
Connection is constituted；Described power amplifier module also includes: power supply circuits；
Described power supply circuits are connected with described amplifier respectively, are used for providing voltage to described amplifier, and described voltage is at 0.7v
Between 3.9v；
Described amplifier, for being amplified processing to the second band carrier signal of input according to described voltage.
5. radio circuit as claimed in claim 1, it is characterised in that described RF front-end module, is additionally operable to receive extraneous the
One band carrier signal, extraneous second band carrier signal, and by the 3rd radio frequency path by described extraneous first frequency range carrier wave
Signal is sent to described radio-frequency (RF) receiving and transmission module, by the 4th radio frequency path, described extraneous second band carrier signal is sent to institute
State radio-frequency (RF) receiving and transmission module.
6. radio circuit as claimed in claim 5, it is characterised in that described RF front-end module, including: antenna, radio frequency leave
Pass, first duplexer and the second duplexer；
Described first duplexer respectively with described radio-frequency (RF) receiving and transmission module, described first power amplification submodule, described radio-frequency (RF) switch
Connect, for the first band carrier signal after power amplification being transferred to radio-frequency (RF) switch and using the 3rd radio frequency path
The external world's the first band carrier signal that radio-frequency (RF) switch is transmitted is sent to described radio-frequency (RF) receiving and transmission module；
Described second duplexer is connected with described radio-frequency (RF) receiving and transmission module, described filtering submodule, described radio-frequency (RF) switch respectively, is used for
Described filtered second band carrier signal is transferred to radio-frequency (RF) switch and uses the 4th radio frequency path radio-frequency (RF) switch to be passed
The defeated external world's the second band carrier signal passes and is sent to described radio-frequency (RF) receiving and transmission module；
Described radio-frequency (RF) switch is also connected with described antenna, the first frequency after being amplified by described antenna outwardly transmit power
Section carrier signal and filtered second band carrier signal, and the extraneous first carrier signal biography that described antenna is received
The external world's the second carrier signal transmission that described first duplexer is defeated by by described antenna, receive gives described second duplexer.
7. radio circuit as claimed in claim 5, it is characterised in that described power amplifier module has the first signal and receives
End, secondary signal receiving terminal, the first signal sending end and secondary signal transmitting terminal；
Described first signal receiving end is connected and with described first with described radio-frequency (RF) receiving and transmission module by described first radio-frequency channel
Power amplification submodule connects, and is transferred to described first for the first band carrier signal described radio-frequency (RF) receiving and transmission module sent
Power amplification submodule；
Described first signal sending end is connected with described first power amplification submodule, first duplexer respectively, for by power
The first band carrier signal after amplification is sent to described first duplexer；
Described secondary signal receiving terminal is connected and with described second with described radio-frequency (RF) receiving and transmission module by described second radio-frequency channel
The signal input part of power amplification submodule connects, and passes for the second band carrier signal described radio-frequency (RF) receiving and transmission module sent
It is defeated by described second power amplification submodule；
Described secondary signal transmitting terminal is connected with described filtering submodule, the second duplexer respectively, for by filtered second
Band carrier signal is sent to described second duplexer.
8. radio circuit as claimed in claim 7, it is characterised in that also include: wave filter；
Described wave filter is connected with described first signal sending end, described first duplexer respectively, for sending the first signal
First band carrier signal of end output is filtered, and by filtered first band carrier signal transmission to described first pair
Multiplexer.
9. radio circuit as claimed in claim 1, it is characterised in that described filtering submodule is passive filter or filtering
Matching network.
10. a mobile terminal, it is characterised in that include the radio frequency electrical of carrier aggregation as described in any one of claim 1-9
Road.
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| CN201610624913.XA CN106301461B (en) | 2016-07-29 | 2016-07-29 | A kind of radio circuit and mobile terminal of carrier wave polymerization |
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| CN106301461B CN106301461B (en) | 2018-09-21 |
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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 |
| CN110365359A (en) * | 2019-07-19 | 2019-10-22 | Oppo广东移动通信有限公司 | Radio frequency front-end device and electronic equipment |
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Also Published As
| Publication number | Publication date |
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| CN106301461B (en) | 2018-09-21 |
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Address after: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee after: OPPO Guangdong Mobile Communications Co., Ltd. Address before: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee before: Guangdong Opel Mobile Communications Co., Ltd. |