CN103067041A - Terminal and communication method thereof - Google Patents

Terminal and communication method thereof Download PDF

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Publication number
CN103067041A
CN103067041A CN201210546077XA CN201210546077A CN103067041A CN 103067041 A CN103067041 A CN 103067041A CN 201210546077X A CN201210546077X A CN 201210546077XA CN 201210546077 A CN201210546077 A CN 201210546077A CN 103067041 A CN103067041 A CN 103067041A
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module
power amplifier
wireless transceiver
radiofrequency signal
transceiver module
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CN103067041B (en
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王新民
段滔
伍坚
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Datang Mobile Communications Equipment Co Ltd
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Datang Mobile Communications Equipment Co Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00Reducing energy consumption in communication networks
    • Y02D30/70Reducing energy consumption in communication networks in wireless communication networks

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Abstract

The invention provides a terminal and a communication method thereof. The terminal specifically comprises a baseband processing module, a data comprehensive processing module, a wireless transceiver module, a radio frequency front end module and an antenna. The data comprehensive processing module is connected between the baseband processing module and the wireless transceiver module. The data comprehensive processing module comprises a function enhancing sub module used for conducting number predistortion processing according a baseband signal output by the baseband processing module and a radio frequency signal, after power amplifying processing and fed back through a receiving channel, of the wireless transceiver module. The radio frequency front end module comprises a power amplifying sub module and a coupling sub module. The power amplifying sub module is used for conducting the power amplifying processing to the radio frequency signal output by the wireless transceiver module through a Doherty structure, and the radio frequency signal after the power amplifying processing is sent out through the antenna. The coupling sub module is used for obtaining the radio frequency signal after the power amplifying processing in a coupling mode. According to the terminal and the communication method thereof, power amplifying efficiency is improved and therefore uploading power consumption of the terminal is reduced.

Description

Terminal and communication means thereof
Technical field
The present invention relates to wireless communication technology field, particularly relate to a kind of terminal and communication means thereof.
Background technology
At present, the constantly fast upgrading differentiation and variation of wireless communication technology also had higher requirement to terminal correspondingly.For example, the communication function of terminal becomes more powerful, except traditional speech business, high-speed data services etc. also become the necessary functions of terminal gradually, design has also proposed the requirement more wanted to these more powerful and newly-increased functions to saving power for terminal, simultaneously, power consumption of terminal also is one of terminal capabilities of being concerned about the most of user.
With reference to Fig. 1, show the structural representation of a kind of terminal of prior art, it specifically can comprise baseband processing module 101, wireless transceiver module 102, RF front-end module 103 and antenna 104, its flow process of processing upstream specifically can comprise:
Baseband signal is after baseband processing module 101 is finished the radio base band processing, directly enter into wireless transceiver module 102, after the digital-to-analogue conversion of process wireless transceiver module 102, emission filtering, emission are modulated to the processing such as radiofrequency signal and amplification processing, enter RF front-end module 103 and carry out the power amplifier processing, the emission of radio frequency signals after by antenna 104 power amplifier being processed is gone out.
According to the relation of efficient=power output/power consumption, when terminal works during at emission mode, if power amplification efficiency is very low, then the power consumption of whole terminal can be very large; And in the large situation of power consumption, power supply and heat radiation all are unfavorable for reducing terminal size, and the power consumption conference affects the stand-by time of terminal; Therefore, power efficiency is low, is unsuitable for the application of small size, long standby, and the use scenes of terminal has been caused many restrictions.
In a word, need the urgent technical problem that solves of those skilled in the art to be exactly: how can improve power amplification efficiency.
Summary of the invention
Technical problem to be solved by this invention provides a kind of terminal and communication means thereof, can improve power amplification efficiency, and then reduces the ascending power consumption of terminal.
In order to address the above problem, the invention discloses a kind of terminal, comprise baseband processing module, aggregation of data processing module, wireless transceiver module, RF front-end module and antenna;
Wherein, described aggregation of data processing module is connected between described baseband processing module and the described wireless transceiver module, comprising:
Power amplifier enhancer module, the radiofrequency signal after being used for processing by the power amplifier of receive path feedback according to the baseband signal of described baseband processing module output and described wireless transceiver module is carried out digital pre-distortion and is processed;
Described wireless transceiver module is used for that the baseband signal after the digital pre-distortion is carried out digital-to-analogue conversion, emission filtering, emission modulation and amplification and processes;
Described RF front-end module comprises:
The power amplifier submodule is used for adopting the Doherty structure, the radiofrequency signal of described wireless transceiver module output is carried out power amplifier process, and the radiofrequency signal after power amplifier is processed is gone out through described antenna transmission; And
The coupling submodule is used for the radiofrequency signal after the power amplifier processing is obtained in coupling; The multiplexing receive path that is fed into described wireless transceiver module of radiofrequency signal after the power amplifier of described coupling submodule output is processed.
Preferably, described RF front-end module also comprises:
The multiplexing process submodule, it is multiplexing that the radiofrequency signal after the power amplifier that is used for that described coupling submodule is exported is processed and the reception path of described RF front-end module carry out alternative; The signal of described multiplexing process submodule output enters the receive path of described wireless transceiver module.
Preferably, described RF front-end module also comprises:
Duplexer links to each other with reception path and the described antenna of described power amplifier submodule, described RF front-end module, is used for the requirement according to time division duplex, separates reception path and the transmission path of described RF front-end module by the control time.
Preferably, described wireless transceiver module adopts broadband transceiver.
Preferably, described power amplifier submodule adopts the power amplifier handling components of GaN material.
Preferably, described aggregation of data processing module also comprises:
The power detection submodule is used for the radiofrequency signal after the described wireless transceiver module of foundation is processed by the power amplifier of receive path feedback, calculates the power amplifier power output.
On the other hand, the invention also discloses a kind of communication means of terminal, described terminal comprises: baseband processing module, aggregation of data processing module, wireless transceiver module, RF front-end module and antenna; Wherein, described aggregation of data processing module is connected between described baseband processing module and the described wireless transceiver module;
Described communication means comprises:
Radiofrequency signal after the baseband signal of the described baseband processing module output of described aggregation of data processing module foundation and described wireless transceiver module are processed by the power amplifier of receive path feedback is carried out digital pre-distortion and is processed;
The baseband signal of described wireless transceiver module after to digital pre-distortion carried out digital-to-analogue conversion, emission filtering, emission modulation and amplified and process;
Described RF front-end module adopts the Doherty technology, the radiofrequency signal of described wireless transceiver module output is carried out power amplifier process, and the radiofrequency signal after power amplifier is processed is gone out through described antenna transmission;
The radiofrequency signal after power amplifier is processed is obtained in described RF front-end module coupling; The multiplexing receive path that is fed into described wireless transceiver module of radiofrequency signal after the power amplifier that described coupling is obtained is processed.
Preferably, described method also comprises:
It is multiplexing that radiofrequency signal after the power amplifier that described RF front-end module obtains described coupling is processed and the reception path of described RF front-end module carry out alternative; Signal after described alternative is multiplexing enters the receive path of described wireless transceiver module.
Preferably, described method also comprises:
State the duplexer of RF front-end module according to the requirement of time division duplex, separate reception path and the transmission path of described RF front-end module by the control time.
Preferably, described wireless transceiver module adopts broadband transceiver.
Preferably, described RF front-end module adopts the power amplifier handling components of GaN material.
Preferably, described method also comprises:
Radiofrequency signal after described aggregation of data processing module is processed by the power amplifier of receive path feedback according to described wireless transceiver module is calculated the power amplifier power output.
Compared with prior art, the present invention has the following advantages:
At first, the present invention adopts the Doherty structure to carry out the power amplifier processing at the power amplifier submodule of RF front-end module, can improve power amplification efficiency, thereby can reduce the ascending power consumption of terminal, save the power consumption of terminal, improve the stand-by time of terminal, make terminal be suitable for the application of small size, long standby;
Secondly, the present invention increases the aggregation of data processing module between described baseband processing module and described wireless transceiver module, design power amplifier enhancer module 2 is carried out the digital pre-distortion processing in the aggregation of data processing module, can improve the non-linear penalties that the Doherty structure is brought, improve the up radio-frequency (RF) index of terminal;
Moreover the receive path of the multiplexing described wireless transceiver module of the present invention carries out the feedback of the radiofrequency signal after the required power amplifier of pre-distortion is processed, and can simplify link design and reduce link cost;
In addition, wireless transceiver module of the present invention can adopt broadband transceiver, described broadband transceiver can realize wider processing bandwidth bearing capacity, simultaneously, the utmost point wide-band coverage property that described broadband transceiver has, it is better to be conducive to hardware and software platform exploitation flexibility, rapidly conversion under the convenient various scenes;
Further, the present invention can adopt the power amplifier handling components of GaN material, with the Effective Raise broadband character.
Description of drawings
Fig. 1 is the structural representation of a kind of terminal of prior art;
Fig. 2 is the structure chart of a kind of terminal embodiment of the present invention;
Fig. 3 is the structure chart of a kind of RF front-end module example 1 of the present invention;
Fig. 4 is the structure chart of a kind of RF front-end module example 2 of the present invention;
Fig. 5 is the structure chart of a kind of RF front-end module example 3 of the present invention;
Fig. 6 is the structure chart of a kind of aggregation of data processing module of the present invention example;
Fig. 7 is the structure chart of a kind of wireless transceiver module example of the present invention;
Fig. 8 is the flow chart of the communication means embodiment of a kind of terminal of the present invention.
Embodiment
For above-mentioned purpose of the present invention, feature and advantage can be become apparent more, the present invention is further detailed explanation below in conjunction with the drawings and specific embodiments.
With reference to Fig. 2, show the structure chart of a kind of terminal embodiment of the present invention, specifically can comprise baseband processing module 201, aggregation of data processing module 202, wireless transceiver module 203, RF front-end module 204 and antenna 205;
Wherein, described aggregation of data processing module 202 is connected between described baseband processing module 201 and the described wireless transceiver module 203, specifically can comprise:
Power amplifier enhancer module 231, the radiofrequency signal after being used for processing by the power amplifier of receive path feedback according to the baseband signal of described baseband processing module 201 outputs and described wireless transceiver module 203 is carried out digital pre-distortion and is processed;
Described wireless transceiver module 203 is used for the baseband signal after the digital pre-distortion is carried out digital-to-analogue conversion, emission filtering, launched the processing such as modulation and amplification;
Described RF front-end module 204 specifically can comprise:
Power amplifier submodule 241 is used for adopting the Doherty structure, the radiofrequency signal of described wireless transceiver module output is carried out power amplifier process, and the radiofrequency signal after power amplifier is processed is launched through described antenna 205; And
Coupling submodule 242 is used for the radiofrequency signal after the power amplifier processing is obtained in coupling; The multiplexing receive path that is fed into described wireless transceiver module 203 of radiofrequency signal after the power amplifier of described coupling submodule 242 outputs is processed.
The terminal of the embodiment of the invention can comprise: mobile phone, panel computer, Personal Handyphone System, intercom, satellite phone etc. have the terminal of radio communication function, and the present invention is not limited concrete terminal.
The embodiment of the invention adopts the Doherty structure to improve power amplification efficiency, and design power amplifier submodule 241 carries out concrete power amplifier processing in described RF front-end module 204.In a kind of Application Example of the present invention, the Doherty structure can be comprised of 2 power amplifiers: a main power amplifier, and an auxiliary power amplifier, main power amplifier are operated in category-B or AB class, and auxiliary power amplifier is operated in the C class.Two power amplifiers do not take turns to operate, but main power amplifier works always, and auxiliary power amplifier is just worked (this power amplifier also is called the peak power amplifier) to the peak value of setting.90 ° of quatrter-wavelength lines of main power amplifier back are impedance transformations, purpose is when auxiliary power amplifier is worked, play the effect that the apparent impedance with main power amplifier reduces, when guaranteeing auxiliary power amplifier work and the active load impedance step-down of the electric circuit constitute of back, it is large that main like this power amplifier output current just becomes.Because there has been quatrter-wavelength line main power amplifier back, in order to make two power amplifier output homophases, also need 90 ° of phase shifts in the auxiliary power amplifier front.Need to prove that above-mentioned Doherty structure is just as example, the embodiment of the invention is not limited concrete Doherty structure.
Although the Doherty structure can improve power amplification efficiency, because its auxiliary power amplifier is operated in the C class, so it can cause the linearity variation of power amplifier usually.
Linear amplifier is nonlinear device, usually can cause distortion, but howsoever distortion always has characteristic to follow, if can utilize this characteristic just to make the overall performance of power amplifier be linearity, then can effectively improve the non-linear penalties that the high efficiency power amplifier brings.
The embodiment of the invention utilizes the radiofrequency signal after this characteristic of pre-distortion is processed the power amplifier of feedback to process, and to realize nonlinear compensation, improves the linearity of power amplifier.
In specific implementation, the embodiment of the invention increases aggregation of data processing module 202 between described baseband processing module 201 and described wireless transceiver module 203, design power amplifier enhancer module 231 is carried out the digital pre-distortion processing in aggregation of data processing module 202; And in order to simplify link design and to reduce link cost, the receive path of multiplexing described wireless transceiver module 203 carries out the feedback of the radiofrequency signal after power amplifier is processed; In addition, design coupling submodule 242 obtains the radiofrequency signal after power amplifier is processed, the multiplexing receive path that is fed into described wireless transceiver module 203 of radiofrequency signal after the power amplifier that described coupling is obtained is processed with coupling in described RF front-end module 204.
Need to prove, for aggregation of data processing module 202, it can separate with the radiofrequency signal as downstream data flow the radiofrequency signal after processing from the power amplifier of the feedback of the receive path of described wireless transceiver module 203 by various data separating modes, and outputs to corresponding submodule and process.
In the embodiment of the invention, the receive path of described wireless transceiver module 203 is used for the passage that downstream data flow is processed in expression, for example, the receive path of described wireless transceiver module 203 can be used for radiofrequency signal amplified, is demodulated into the processing such as baseband signal, filtering, analog-to-digital conversion.
Be appreciated that described wireless transceiver module 203 can also comprise the sendaisle of processing upstream for expression, the baseband signal after the digital pre-distortion is carried out the processing such as digital-to-analogue conversion, emission filtering, emission modulation and amplification.
In a kind of application example of the present invention, the process that described digital pre-distortion is processed specifically can comprise: the radiofrequency signal after the baseband signal of described baseband processing module 201 outputs and described wireless transceiver module 203 are processed by the power amplifier of receive path feedback compares computing, obtains the predistortion correction parameter and is used for the combine digital pre-distortion.Certainly, above-mentioned just as example, the process that the present invention processes concrete digital pre-distortion is not limited.
In a word, the embodiment of the invention has following advantage:
At first, carry out power amplifier in the power amplifier submodule employing Doherty of RF front-end module structure and process, can improve power amplification efficiency, thereby can reduce the ascending power consumption of terminal, save the power consumption of terminal, improve the stand-by time of terminal, make terminal be suitable for the application of small size, long standby;
Secondly, between described baseband processing module and described wireless transceiver module, increase the aggregation of data processing module, design power amplifier enhancer module 2 is carried out the digital pre-distortion processing in the aggregation of data processing module, can improve the non-linear penalties that the Doherty structure is brought, improve the up radio-frequency (RF) index of terminal;
Moreover the receive path of multiplexing described wireless transceiver module carries out the feedback of the radiofrequency signal after the required power amplifier of pre-distortion is processed, and can simplify link design and reduce link cost.
The terminal that is appreciated that the embodiment of the invention also can be carried out the processing of downstream data flow.In a kind of application example of the present invention, its flow process of processing downstream data flow specifically can comprise:
The radiofrequency signal that antenna 205 receives, low noise through described RF front-end module 204 is amplified, after filtering etc. are processed, be fed into described wireless transceiver module 203, by described wireless transceiver module radiofrequency signal is amplified, be demodulated into baseband signal, filtering, the processing such as analog-to-digital conversion, baseband signal is sent into described aggregation of data processing module 202, finishing data by described aggregation of data processing module continues, the processing such as clock zone switching, send baseband signal back to described baseband processing module 201 and carry out Base-Band Processing, Base-Band Processing is finished reception after finishing the physical layer relevant treatment.
Like this, in actual applications, can also comprise in the described aggregation of data processing module 202: the module that is used for baseband signal is carried out the processing such as data continue, clock zone switching.
In a preferred embodiment of the present invention, described wireless transceiver module 203 can also adopt broadband transceiver.Described broadband transceiver can realize wider processing bandwidth bearing capacity, for example, can satisfy the bandwidth demand of LTE; Simultaneously, the utmost point wide-band coverage property that described broadband transceiver has is very beneficial for hardware and software platform exploitation (for example can realize the following altogether platform of 6G), and flexibility is better, rapidly conversion under the convenient various scenes.
In another kind of preferred embodiment of the present invention, described power amplifier submodule can adopt the power amplifier handling components of GaN material.Here, GaN is gallium nitride, belongs to third generation semi-conducting material, the hexagonal wurtzite structure.The power amplifier handling components of GaN material can the Effective Raise broadband character.
With reference to Fig. 3, show the structure chart of a kind of RF front-end module example 1 of the present invention, specifically can comprise:
Power amplifier submodule 301 is used for adopting the Doherty structure, the radiofrequency signal of wireless transceiver module output is carried out power amplifier process, and the radiofrequency signal after power amplifier is processed is gone out through antenna transmission;
Coupling submodule 302 is used for the radiofrequency signal after the power amplifier processing is obtained in coupling; And
Multiplexing process submodule 303, it is multiplexing that the radiofrequency signal after the power amplifier processing that is used for described coupling submodule 302 is exported and the reception path 304 of described RF front-end module carry out alternative; The signal of described multiplexing process submodule 303 outputs enters the receive path of described wireless transceiver module.
In the embodiment of the invention, the reception path of described RF front-end module is used for the path that downstream data flow is processed in expression, in specific implementation, the reception path of described RF front-end module can be used for the radiofrequency signal from antenna is carried out the processing such as filtering, low noise amplification.
Be appreciated that described RF front-end module can also comprise the transmission path of processing upstream for expression, for example power amplifier submodule 301 is arranged in the transmission path of described RF front-end module.
It is multiplexing that radiofrequency signal after the power amplifier processing that described multiplexing process submodule 303 can specifically be used for described coupling submodule 302 is exported and the reception path radiofrequency signal of described RF front-end module are carried out alternative, can adopt in actual applications radio-frequency (RF) switch to realize.
With reference to Fig. 4, show the structure chart of a kind of RF front-end module example 2 of the present invention, specifically can comprise:
Power amplifier submodule 401 is used for adopting the Doherty structure, the radiofrequency signal of wireless transceiver module output is carried out power amplifier process, and the radiofrequency signal after power amplifier is processed is gone out through antenna transmission;
Coupling submodule 402 is used for the radiofrequency signal after the power amplifier processing is obtained in coupling;
Multiplexing process submodule 403, it is multiplexing that the radiofrequency signal after the power amplifier processing that is used for described coupling submodule 402 is exported and the reception path 404 of described RF front-end module carry out alternative; The signal of described multiplexing process submodule 403 outputs enters the receive path of described wireless transceiver module; And
Duplexer 405 links to each other with reception path and the antenna of described power amplifier submodule 401, described RF front-end module, is used for the requirement according to time division duplex, separates reception path and the transmission path of described RF front-end module by the control time.
Along with TD-LTE(timesharing Long Term Evolution, Time Division Long Term Evolution) correlation technique development and evolution, the TD-LTE commercialization reaches its maturity.The embodiment of the invention has taken into full account the TDD(time division duplex of TD-LTE, Time Division Duplexing) requirement, so that the advanced technologies such as peak rate that TD-LTE was had and spectrum efficiency are applied to terminal.Be appreciated that duplexer 403 can according to the requirement of time division duplex, carry out the processing of corresponding reception and sending direction constantly in difference.
With reference to Fig. 5, show the structure chart of a kind of RF front-end module example 3 of the present invention, specifically can comprise:
Power amplifier submodule 501 is used for adopting the Doherty structure, the radiofrequency signal of wireless transceiver module output is carried out power amplifier process, and the radiofrequency signal after power amplifier is processed is gone out through antenna transmission;
Coupling submodule 502 is used for the radiofrequency signal after the power amplifier processing is obtained in coupling;
Duplexer 503 links to each other with reception path and the antenna of described power amplifier submodule 501, described RF front-end module, is used for the requirement according to time division duplex, separates reception path and the transmission path of described RF front-end module by the control time;
Filter 504 and low noise amplifier 505 as the part of the reception path of described RF front-end module, are used for processing carry out filtering and low noise amplification from the radiofrequency signal of antenna;
Multiplexing process submodule 506, it is multiplexing that the radiofrequency signal after the power amplifier processing that is used for described coupling submodule 502 is exported and the radiofrequency signal of low noise amplifier 505 outputs are carried out alternative; The signal of described multiplexing process submodule 506 outputs enters the receive path of described wireless transceiver module.
In a preferred embodiment of the present invention, described aggregation of data processing module can also comprise: the power detection submodule, be used for the radiofrequency signal after the described wireless transceiver module of foundation is processed by the power amplifier of receive path feedback, and calculate the power amplifier power output.The result of calculation of power detection submodule can be shown to the user, makes things convenient for the user to understand the power amplifier power output of terminal, is appreciated that the user can also carry out according to the result of calculation of power detection submodule the control of power amplifier power output.
With reference to Fig. 6, show the structure chart of a kind of aggregation of data processing module of the present invention example, specifically can comprise:
Input processing submodule 601 is used for receiving the baseband signal as upstream of baseband processing module output, and carries out the processing such as data continue, clock zone switching;
Power amplifier enhancer module 602, the radiofrequency signal after being used for processing by the power amplifier of receive path feedback according to the baseband signal of described baseband processing module output and described wireless transceiver module is carried out digital pre-distortion and is processed;
Power detection submodule 603 is used for the radiofrequency signal after the described wireless transceiver module of foundation is processed by the power amplifier of receive path feedback, calculates the power amplifier power output; And
Export and process submodule 604, be used for receiving the baseband signal as downstream data flow of wireless transceiver module output, after carrying out the processing such as data continue, clock zone switching, export baseband processing module to.
Wherein, radiofrequency signal multiplexing receive path in wireless transceiver module after the required power amplifier of radiofrequency signal, power detection after processing as the baseband signal of downstream data flow, power amplifier is processed, and can in the aggregation of data processing module, realize separating, data flow is provided to respectively in corresponding output processing submodule 604, power amplifier enhancer module 602 or the power detection submodule 603 and carries out subsequent treatment according to the difference demand of disparate modules.
With reference to Fig. 7, show the structure chart of a kind of wireless transceiver module example of the present invention, specifically can comprise: digital-to-analogue conversion submodule 701, the first filter 702, the first amplifier 703, modulator 704, the second amplifier 705, the 3rd amplifier 706, demodulator 707, the 4th amplifier 708, the second filter 709 and digital-to-analogue conversion submodule 710, wherein, modulator 704 and demodulator 707 all adopt local oscillator, are respectively applied to baseband signal is modulated to radiofrequency signal and radiofrequency signal is demodulated into baseband signal.
With reference to Fig. 8, show the flow chart of the communication means embodiment of a kind of terminal of the present invention, described terminal specifically can comprise: baseband processing module, aggregation of data processing module, wireless transceiver module, RF front-end module and antenna; Wherein, described aggregation of data processing module is connected between described baseband processing module and the described wireless transceiver module;
Described communication means specifically can comprise:
Radiofrequency signal after the baseband signal of step 801, the described baseband processing module output of described aggregation of data processing module foundation and described wireless transceiver module are processed by the power amplifier of receive path feedback is carried out digital pre-distortion and is processed;
Step 802, the described wireless transceiver module baseband signal after to digital pre-distortion is carried out digital-to-analogue conversion, emission filtering, emission modulation and is amplified and process;
Step 803, described RF front-end module adopt the Doherty technology, the radiofrequency signal of described wireless transceiver module output is carried out power amplifier process, and the radiofrequency signal after power amplifier is processed is gone out through described antenna transmission;
The radiofrequency signal after power amplifier is processed is obtained in step 804, the coupling of described RF front-end module; The multiplexing receive path that is fed into described wireless transceiver module of radiofrequency signal after the power amplifier that described coupling is obtained is processed.
In a preferred embodiment of the present invention, described communication means can also comprise:
It is multiplexing that radiofrequency signal after the power amplifier that described RF front-end module obtains described coupling is processed and the reception path of described RF front-end module carry out alternative; Signal after described alternative is multiplexing enters the receive path of described wireless transceiver module.
In another kind of preferred embodiment of the present invention, described communication means can also comprise:
The duplexer of described RF front-end module separates reception path and the transmission path of described RF front-end module according to the requirement of time division duplex by the control time.
In another preferred embodiment of the present invention, described wireless transceiver module can adopt broadband transceiver.
In a preferred embodiment of the present invention, described RF front-end module can adopt the power amplifier handling components of GaN material.
In a preferred embodiment of the present invention, described communication means can also comprise:
Radiofrequency signal after described aggregation of data processing module is processed by the power amplifier of receive path feedback according to described wireless transceiver module is calculated the power amplifier power output.
Those skilled in the art should understand that embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt complete hardware implementation example, complete implement software example or in conjunction with the form of the embodiment of software and hardware aspect.And the present invention can adopt the form of the computer program of implementing in one or more computer-usable storage medium (including but not limited to magnetic disc store, CD-ROM, optical memory etc.) that wherein include computer usable program code.
The present invention is that reference is described according to flow chart and/or the block diagram of method, equipment (system) and the computer program of the embodiment of the invention.Should understand can be by the flow process in each flow process in computer program instructions realization flow figure and/or the block diagram and/or square frame and flow chart and/or the block diagram and/or the combination of square frame.Can provide these computer program instructions to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device producing a machine, so that the instruction of carrying out by the processor of computer or other programmable data processing device produces the device of the function that is used for being implemented in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame appointments.
These computer program instructions also can be stored in energy vectoring computer or the computer-readable memory of other programmable data processing device with ad hoc fashion work, so that the instruction that is stored in this computer-readable memory produces the manufacture that comprises command device, this command device is implemented in the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.
These computer program instructions also can be loaded on computer or other programmable data processing device, so that carry out the sequence of operations step producing computer implemented processing at computer or other programmable devices, thereby be provided for being implemented in the step of the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame in the instruction that computer or other programmable devices are carried out.
Although described the preferred embodiments of the present invention, in a single day those skilled in the art get the basic creative concept of cicada, then can make other change and modification to these embodiment.So claims are intended to all changes and the modification that are interpreted as comprising preferred embodiment and fall into the scope of the invention.
More than to a kind of terminal provided by the present invention and communication means thereof, be described in detail, used specific case herein principle of the present invention and execution mode are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.

Claims (12)

1. a terminal is characterized in that, comprises baseband processing module, aggregation of data processing module, wireless transceiver module, RF front-end module and antenna;
Wherein, described aggregation of data processing module is connected between described baseband processing module and the described wireless transceiver module, comprising:
Power amplifier enhancer module, the radiofrequency signal after being used for processing by the power amplifier of receive path feedback according to the baseband signal of described baseband processing module output and described wireless transceiver module is carried out digital pre-distortion and is processed;
Described wireless transceiver module is used for that the baseband signal after the digital pre-distortion is carried out digital-to-analogue conversion, emission filtering, emission modulation and amplification and processes;
Described RF front-end module comprises:
The power amplifier submodule is used for adopting the Doherty structure, the radiofrequency signal of described wireless transceiver module output is carried out power amplifier process, and the radiofrequency signal after power amplifier is processed is gone out through described antenna transmission; And
The coupling submodule is used for the radiofrequency signal after the power amplifier processing is obtained in coupling; The multiplexing receive path that is fed into described wireless transceiver module of radiofrequency signal after the power amplifier of described coupling submodule output is processed.
2. terminal as claimed in claim 1 is characterized in that, described RF front-end module also comprises:
The multiplexing process submodule, it is multiplexing that the radiofrequency signal after the power amplifier that is used for that described coupling submodule is exported is processed and the reception path of described RF front-end module carry out alternative; The signal of described multiplexing process submodule output enters the receive path of described wireless transceiver module.
3. terminal as claimed in claim 2 is characterized in that, described RF front-end module also comprises:
Duplexer links to each other with reception path and the described antenna of described power amplifier submodule, described RF front-end module, is used for the requirement according to time division duplex, separates reception path and the transmission path of described RF front-end module by the control time.
4. terminal as claimed in claim 1 or 2 is characterized in that, described wireless transceiver module adopts broadband transceiver.
5. terminal as claimed in claim 1 or 2 is characterized in that, described power amplifier submodule adopts the power amplifier handling components of GaN material.
6. terminal as claimed in claim 1 or 2 is characterized in that, described aggregation of data processing module also comprises:
The power detection submodule is used for the radiofrequency signal after the described wireless transceiver module of foundation is processed by the power amplifier of receive path feedback, calculates the power amplifier power output.
7. the communication means of a terminal is characterized in that, described terminal comprises: baseband processing module, aggregation of data processing module, wireless transceiver module, RF front-end module and antenna; Wherein, described aggregation of data processing module is connected between described baseband processing module and the described wireless transceiver module;
Described communication means comprises:
Radiofrequency signal after the baseband signal of the described baseband processing module output of described aggregation of data processing module foundation and described wireless transceiver module are processed by the power amplifier of receive path feedback is carried out digital pre-distortion and is processed;
The baseband signal of described wireless transceiver module after to digital pre-distortion carried out digital-to-analogue conversion, emission filtering, emission modulation and amplified and process;
Described RF front-end module adopts the Doherty technology, the radiofrequency signal of described wireless transceiver module output is carried out power amplifier process, and the radiofrequency signal after power amplifier is processed is gone out through described antenna transmission;
The radiofrequency signal after power amplifier is processed is obtained in described RF front-end module coupling; The multiplexing receive path that is fed into described wireless transceiver module of radiofrequency signal after the power amplifier that described coupling is obtained is processed.
8. communication means as claimed in claim 7 is characterized in that, also comprises:
It is multiplexing that radiofrequency signal after the power amplifier that described RF front-end module obtains described coupling is processed and the reception path of described RF front-end module carry out alternative; Signal after described alternative is multiplexing enters the receive path of described wireless transceiver module.
9. communication means as claimed in claim 8 is characterized in that, also comprises:
State the duplexer of RF front-end module according to the requirement of time division duplex, separate reception path and the transmission path of described RF front-end module by the control time.
10. such as claim 7 or 8 described communication meanss, it is characterized in that described wireless transceiver module adopts broadband transceiver.
11., it is characterized in that described RF front-end module adopts the power amplifier handling components of GaN material such as claim 7 or 8 described communication meanss.
12. such as claim 7 or 8 described communication meanss, it is characterized in that, also comprise:
Radiofrequency signal after described aggregation of data processing module is processed by the power amplifier of receive path feedback according to described wireless transceiver module is calculated the power amplifier power output.
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