CN103067041B - Terminal and communication means thereof - Google Patents
Terminal and communication means thereof Download PDFInfo
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- CN103067041B CN103067041B CN201210546077.XA CN201210546077A CN103067041B CN 103067041 B CN103067041 B CN 103067041B CN 201210546077 A CN201210546077 A CN 201210546077A CN 103067041 B CN103067041 B CN 103067041B
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention provides a kind of terminal and communication means thereof, terminal wherein specifically 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 described wireless transceiver module, comprise: power amplifier enhancer module, radiofrequency signal after the power amplifier process of being fed back by receive path for the baseband signal that exports according to described baseband processing module and described wireless transceiver module, carries out digital pre-distortion process; Described RF front-end module, comprising: power amplifier submodule, and for adopting Doherty structure, carry out power amplifier process to the radiofrequency signal that described wireless transceiver module exports, the radiofrequency signal after power amplifier process is gone out through described antenna transmission; And coupling submodule, for being coupled the radiofrequency signal after obtaining power amplifier process.The present invention can improve power amplification efficiency, and then reduces the ascending power consumption of terminal.
Description
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, constantly upgrading differentiation and the variation fast of wireless communication technology, it is also proposed higher requirement to corresponding terminal.Such as, 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, these more powerful and newly-increased functions it is also proposed to saving power for terminal design the requirement more wanted, meanwhile, power consumption of terminal is also 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, and the flow process of its process upstream specifically can comprise:
Baseband signal completes after radio base band process through baseband processing module 101, directly enter into wireless transceiver module 102, through wireless transceiver module 102 digital-to-analogue conversion, launch filtering, launch be modulated to radiofrequency signal and amplify process etc. process after, enter RF front-end module 103 and carry out power amplifier process, by antenna 104, the emission of radio frequency signals after power amplifier process is gone out.
According to the relation of efficiency=power output/power consumption, when terminal works is at emission mode, if power amplification efficiency is very low, then the power consumption of whole terminal can be very large; And when power consumption is large, power supply and heat radiation are all unfavorable for reducing terminal size, and power consumption conference affects the stand-by time of terminal; Therefore, power inefficiency, is unsuitable for small size, long standby application, causes many restrictions to the use scenes of terminal.
In a word, the technical problem needing those skilled in the art urgently to solve is exactly: how can improve power amplification efficiency.
Summary of the invention
Technical problem to be solved by this invention is to provide 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 solve the 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 described wireless transceiver module, comprising:
Power amplifier enhancer module, the radiofrequency signal after the power amplifier process of being fed back by receive path for the baseband signal that exports according to described baseband processing module and described wireless transceiver module, carries out digital pre-distortion process;
Described wireless transceiver module, for carrying out digital-to-analogue conversion, launching filtering, launching modulation and amplify process to the baseband signal after digital pre-distortion;
Described RF front-end module, comprising:
Power amplifier submodule, for adopting Doherty structure, carry out power amplifier process to the radiofrequency signal that described wireless transceiver module exports, the radiofrequency signal after power amplifier process is gone out through described antenna transmission; And
Coupling submodule, for being coupled the radiofrequency signal after obtaining power amplifier process; The multiplexing receive path being fed into described wireless transceiver module of radiofrequency signal after the power amplifier process that described coupling submodule exports.
Preferably, described RF front-end module also comprises:
Multiplexing process submodule, it is multiplexing that the receiving path for the radiofrequency signal after the power amplifier process that exports described coupling submodule and described RF front-end module carries out alternative; The signal that described multiplexing process submodule exports enters the receive path of described wireless transceiver module.
Preferably, described RF front-end module also comprises:
Duplexer, is connected with the receiving path of described power amplifier submodule, described RF front-end module and described antenna, for the requirement according to time division duplex, is separated receiving 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:
Power detection submodule, for the radiofrequency signal after the power amplifier process of being fed back by receive path according to described wireless transceiver module, calculates 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 described wireless transceiver module;
Described communication means comprises:
Radiofrequency signal after the power amplifier process that the baseband signal that described aggregation of data processing module exports according to described baseband processing module and described wireless transceiver module are fed back by receive path, carries out digital pre-distortion process;
Described wireless transceiver module carries out digital-to-analogue conversion to the baseband signal after digital pre-distortion, launch filtering, launches modulation and amplify process;
Described RF front-end module adopts Doherty technology, and carry out power amplifier process to the radiofrequency signal that described wireless transceiver module exports, the radiofrequency signal after power amplifier process is gone out through described antenna transmission;
Described RF front-end module coupling obtains the radiofrequency signal after power amplifier process; The multiplexing receive path being fed into described wireless transceiver module of radiofrequency signal after the power amplifier process that described coupling obtains.
Preferably, described method also comprises:
It is multiplexing that radiofrequency signal after the power amplifier process that described RF front-end module obtains described coupling and the receiving 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 requirement of duplexer according to time division duplex of RF front-end module, be separated receiving 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 the power amplifier process that described aggregation of data processing module is fed back by receive path according to described wireless transceiver module, calculates power amplifier power output.
Compared with prior art, the present invention has the following advantages:
First, the present invention adopts Doherty structure to carry out power amplifier process at the power amplifier submodule of RF front-end module, power amplification efficiency can be improved, thus the ascending power consumption of terminal can be reduced, save the power consumption of terminal, improve the stand-by time of terminal, make terminal be suitable for small size, long standby application;
Secondly, the present invention increases aggregation of data processing module between described baseband processing module and described wireless transceiver module, power amplifier enhancer module 2 is designed to carry out digital pre-distortion process in aggregation of data processing module, the non-linear penalties that Doherty structure is brought can be improved, improve the upstream radio-frequency 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 power amplifier process needed for pre-distortion, link design can be simplified and reduce link cost;
In addition, wireless transceiver module of the present invention can adopt broadband transceiver, described broadband transceiver can realize wider process bandwidth bearing capacity, simultaneously, the pole wide-band coverage property that described broadband transceiver has, be conducive to platform compounds flexibility better, change rapidly under facilitating various scene;
Further, the present invention can adopt the power amplifier handling components of GaN material, effectively to improve broadband character.
Accompanying drawing explanation
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 enabling above-mentioned purpose of the present invention, feature and advantage become apparent more, and below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
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 described wireless transceiver module 203, specifically can comprise:
Power amplifier enhancer module 231, the radiofrequency signal after the power amplifier process of being fed back by receive path for the baseband signal that exports according to described baseband processing module 201 and described wireless transceiver module 203, carries out digital pre-distortion process;
Described wireless transceiver module 203, for carrying out digital-to-analogue conversion, launching filtering, launching the process such as modulation and amplification to the baseband signal after digital pre-distortion;
Described RF front-end module 204, specifically can comprise:
Power amplifier submodule 241, for adopting Doherty structure, carry out power amplifier process to the radiofrequency signal that described wireless transceiver module exports, the radiofrequency signal after power amplifier process is launched through described antenna 205; And
Coupling submodule 242, for being coupled the radiofrequency signal after obtaining power amplifier process; The multiplexing receive path being fed into described wireless transceiver module 203 of radiofrequency signal after the power amplifier process that described coupling submodule 242 exports.
The terminal of the embodiment of the present 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 present invention adopts Doherty structure to improve power amplification efficiency, designs power amplifier submodule 241 to carry out concrete power amplifier process in described RF front-end module 204.In a kind of Application Example of the present invention, Doherty structure can be made up of 2 power amplifiers: a main power amplifier, an auxiliary power amplifier, and main power amplifier is operated in category-B or AB class, and auxiliary power amplifier is operated in C class.Two power amplifiers do not take turns to operate, but main power amplifier works always, and auxiliary power amplifier just works (this power amplifier is also called peak power amplifier) to the peak value of setting.Main power amplifier 90 ° of quatrter-wavelength lines are below impedance transformations, object is when auxiliary power amplifier works, play the effect apparent impedance of main power amplifier reduced, the active load impedance step-down of circuit composition when guarantee auxiliary power amplifier work and below, main like this power amplifier output current just becomes large.Owing to having had quatrter-wavelength line after main power amplifier, in order to make two power amplifiers export homophase, before auxiliary power amplifier, 90 ° of phase shifts are also needed.It should be noted that, just exemplarily, the embodiment of the present invention is not limited concrete Doherty structure above-mentioned Doherty structure.
Although Doherty structure can improve power amplification efficiency, because its auxiliary power amplifier is operated in C class, therefore it can cause the linearity of power amplifier to be deteriorated usually.
Linear amplifier is nonlinear device, usually can cause distortion, but distortion howsoever, always there is characteristic to follow, if this characteristic can be utilized just to make the overall performance of power amplifier be linear, then effectively can improve the non-linear penalties that high efficiency power amplifier brings.
The embodiment of the present invention utilizes this characteristic of pre-distortion to process the radiofrequency signal after the power amplifier process of feedback, to realize nonlinear compensation, improves the linearity of power amplifier.
In specific implementation, the embodiment of the present invention increases aggregation of data processing module 202 between described baseband processing module 201 and described wireless transceiver module 203, designs power amplifier enhancer module 231 to carry out digital pre-distortion process in aggregation of data processing module 202; Further, in order to simplify link design and reduce link cost, the receive path of multiplexing described wireless transceiver module 203 carries out the feedback of the radiofrequency signal after power amplifier process; In addition, in described RF front-end module 204, design coupling submodule 242 is to be coupled the radiofrequency signal after obtaining power amplifier process, the multiplexing receive path being fed into described wireless transceiver module 203 of radiofrequency signal after the power amplifier process that described coupling obtains.
It should be noted that, for aggregation of data processing module 202, it can be separated with the radiofrequency signal as downstream data flow the radiofrequency signal after the power amplifier process of the feedback of the receive path from described wireless transceiver module 203 by various data separating mode, and outputs to corresponding submodule and process.
In the embodiment of the present invention, the receive path of described wireless transceiver module 203 is for representing the passage of process downstream data flow, such as, the receive path of described wireless transceiver module 203 can be used for radio frequency signal and carries out amplifying, being demodulated into the process such as baseband signal, filtering, analog-to-digital conversion.
Be appreciated that described wireless transceiver module 203 can also comprise the sendaisle for representing process upstream, to carry out digital-to-analogue conversion to the baseband signal after digital pre-distortion, launch filtering, to launch the process such as modulation and amplification.
In a kind of application example of the present invention, the process of described digital pre-distortion process specifically can comprise: the radiofrequency signal after the power amplifier process that the baseband signal export described baseband processing module 201 and described wireless transceiver module 203 are fed back by receive path compares computing, obtains predistortion correction parameter for combine digital pre-distortion.Certainly, above-mentioned is that exemplarily the process of the present invention to concrete digital pre-distortion process is not limited.
In a word, embodiment of the present invention tool has the following advantages:
First, adopt Doherty structure to carry out power amplifier process at the power amplifier submodule of RF front-end module, can power amplification efficiency be improved, thus the ascending power consumption of terminal can be reduced, save the power consumption of terminal, improve the stand-by time of terminal, make terminal be suitable for small size, long standby application;
Secondly, aggregation of data processing module is increased between described baseband processing module and described wireless transceiver module, power amplifier enhancer module 2 is designed to carry out digital pre-distortion process in aggregation of data processing module, the non-linear penalties that Doherty structure is brought can be improved, improve the upstream radio-frequency index of terminal;
Moreover the receive path of multiplexing described wireless transceiver module carries out the feedback of the radiofrequency signal after power amplifier process needed for pre-distortion, link design can be simplified and reduce link cost.
Be appreciated that the terminal of the embodiment of the present invention also can carry out the process of downstream data flow.In a kind of application example of the present invention, the flow process of its process 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 the process such as filtering, be fed into described wireless transceiver module 203, amplified by described wireless transceiver module radio frequency signal, be demodulated into baseband signal, filtering, the process such as analog-to-digital conversion, baseband signal is sent into described aggregation of data processing module 202, complete data by described aggregation of data processing module to continue, the process such as clock zone switching, baseband signal is sent back to described baseband processing module 201 and carry out Base-Band Processing, after Base-Band Processing completes physical layer relevant treatment, complete reception.
Like this, in actual applications, can also comprise in described aggregation of data processing module 202: for carrying out the module of the process such as data continue, clock zone switching to baseband signal.
In one preferred embodiment of the invention, described wireless transceiver module 203 can also adopt broadband transceiver.Described broadband transceiver can realize wider process bandwidth bearing capacity, such as, can meet the bandwidth demand of LTE; Meanwhile, the pole wide-band coverage property that described broadband transceiver has, be very beneficial for platform compounds (such as can realize below 6G platform altogether), flexibility is better, changes rapidly under facilitating various scene.
In another preferred embodiment of the invention, described power amplifier submodule can adopt the power amplifier handling components of GaN material.Here, GaN and gallium nitride, belong to third generation semi-conducting material, hexagonal wurtzite structure.The power amplifier handling components of GaN material effectively can improve 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, for adopting Doherty structure, carry out power amplifier process to the radiofrequency signal that wireless transceiver module exports, the radiofrequency signal after power amplifier process is gone out through antenna transmission;
Coupling submodule 302, for being coupled the radiofrequency signal after obtaining power amplifier process; And
Multiplexing process submodule 303, it is multiplexing that the receiving path 304 for the radiofrequency signal after the power amplifier process that exports described coupling submodule 302 and described RF front-end module carries out alternative; The signal that described multiplexing process submodule 303 exports enters the receive path of described wireless transceiver module.
In the embodiment of the present invention, the receiving path of described RF front-end module is for representing the path of process downstream data flow, in specific implementation, the receiving path of described RF front-end module can be used for carrying out the process such as filtering, low noise amplification to the radiofrequency signal from antenna.
Be appreciated that described RF front-end module can also comprise the transmission path for representing process upstream, such as power amplifier submodule 301 is arranged in the transmission path of described RF front-end module.
It is multiplexing that described multiplexing process submodule 303 can carry out alternative specifically for radiofrequency signal in the receiving path of the radiofrequency signal after the power amplifier process that exports described coupling submodule 302 and described RF front-end module, can adopt radio-frequency (RF) switch to realize in actual applications.
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, for adopting Doherty structure, carry out power amplifier process to the radiofrequency signal that wireless transceiver module exports, the radiofrequency signal after power amplifier process is gone out through antenna transmission;
Coupling submodule 402, for being coupled the radiofrequency signal after obtaining power amplifier process;
Multiplexing process submodule 403, it is multiplexing that the receiving path 404 for the radiofrequency signal after the power amplifier process that exports described coupling submodule 402 and described RF front-end module carries out alternative; The signal that described multiplexing process submodule 403 exports enters the receive path of described wireless transceiver module; And
Duplexer 405, is connected with the receiving path of described power amplifier submodule 401, described RF front-end module and antenna, for the requirement according to time division duplex, is separated receiving path and the transmission path of described RF front-end module by the control time.
Along with TD-LTE(timesharing Long Term Evolution, TimeDivisionLongTermEvolution) correlation technique development and evolution, TD-LTE commercialization reaches its maturity.The embodiment of the present invention has taken into full account the TDD(time division duplex of TD-LTE, TimeDivisionDuplexing) requirement, be applied to terminal with advanced technologies such as the peak rate had by TD-LTE and spectrum efficiencies.Be appreciated that duplexer 403 according to the requirement of time division duplex, can not carry out the process of corresponding reception and sending direction in the same time.
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, for adopting Doherty structure, carry out power amplifier process to the radiofrequency signal that wireless transceiver module exports, the radiofrequency signal after power amplifier process is gone out through antenna transmission;
Coupling submodule 502, for being coupled the radiofrequency signal after obtaining power amplifier process;
Duplexer 503, is connected with the receiving path of described power amplifier submodule 501, described RF front-end module and antenna, for the requirement according to time division duplex, is separated receiving 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 receiving path of described RF front-end module, for carrying out filtering and low noise amplification process to the radiofrequency signal from antenna;
Multiplexing process submodule 506, it is multiplexing that the radiofrequency signal exported for the radiofrequency signal after the power amplifier process that exports described coupling submodule 502 and low noise amplifier 505 carries out alternative; The signal that described multiplexing process submodule 506 exports enters the receive path of described wireless transceiver module.
In one preferred embodiment of the invention, described aggregation of data processing module can also comprise: power detection submodule, for the radiofrequency signal after the power amplifier process of being fed back by receive path according to described wireless transceiver module, calculates power amplifier power output.The result of calculation of power detection submodule can be shown to user, facilitates user to understand the power amplifier power output of terminal, is appreciated that user can also carry out the control of power amplifier power output according to the result of calculation of power detection submodule.
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, for receiving the baseband signal as upstream that baseband processing module exports, and carries out the process such as data continue, clock zone switching;
Power amplifier enhancer module 602, the radiofrequency signal after the power amplifier process of being fed back by receive path for the baseband signal that exports according to described baseband processing module and described wireless transceiver module, carries out digital pre-distortion process;
Power detection submodule 603, for the radiofrequency signal after the power amplifier process of being fed back by receive path according to described wireless transceiver module, calculates power amplifier power output; And
Output processing submodule 604, for receiving the baseband signal as downstream data flow that wireless transceiver module exports, after carrying out the process such as data continue, clock zone switching, exports baseband processing module to.
Wherein, as the radiofrequency signal multiplexing reception passage in wireless transceiver module after the radiofrequency signal after the baseband signal of downstream data flow, power amplifier process, power amplifier process needed for power detection, and can realize being separated in aggregation of data processing module, data flow, according to the difference demand of disparate modules, is provided to respectively in corresponding output processing submodule 604, power amplifier enhancer module 602 or power detection submodule 603 and carries out subsequent treatment.
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, first filter 702, first amplifier 703, modulator 704, second amplifier 705, the 3rd amplifier 706, demodulator 707, the 4th amplifier 708, second filter 709 and digital-to-analogue conversion submodule 710, wherein, modulator 704 and demodulator 707 all adopt local oscillator, are respectively used to modulates baseband signals be 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 described wireless transceiver module;
Described communication means specifically can comprise:
Radiofrequency signal after the power amplifier process that the baseband signal that step 801, described aggregation of data processing module export according to described baseband processing module and described wireless transceiver module are fed back by receive path, carries out digital pre-distortion process;
Step 802, described wireless transceiver module carry out digital-to-analogue conversion to the baseband signal after digital pre-distortion, launch filtering, launch modulation and amplify process;
Step 803, described RF front-end module adopt Doherty technology, and carry out power amplifier process to the radiofrequency signal that described wireless transceiver module exports, the radiofrequency signal after power amplifier process is gone out through described antenna transmission;
The coupling of step 804, described RF front-end module obtains the radiofrequency signal after power amplifier process; The multiplexing receive path being fed into described wireless transceiver module of radiofrequency signal after the power amplifier process that described coupling obtains.
In one preferred embodiment of the invention, described communication means can also comprise:
It is multiplexing that radiofrequency signal after the power amplifier process that described RF front-end module obtains described coupling and the receiving 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 preferred embodiment of the invention, described communication means can also comprise:
The duplexer of described RF front-end module, according to the requirement of time division duplex, is separated receiving path and the transmission path of described RF front-end module by the control time.
In another preferred embodiment of the present invention, described wireless transceiver module can adopt broadband transceiver.
In one preferred embodiment of the invention, described RF front-end module can adopt the power amplifier handling components of GaN material.
In one preferred embodiment of the invention, described communication means can also comprise:
Radiofrequency signal after the power amplifier process that described aggregation of data processing module is fed back by receive path according to described wireless transceiver module, calculates power amplifier power output.
Those skilled in the art should understand, embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt the form of complete hardware embodiment, completely software implementation or the embodiment in conjunction with software and hardware aspect.And the present invention can adopt in one or more form wherein including the upper computer program implemented of computer-usable storage medium (including but not limited to magnetic disc store, CD-ROM, optical memory etc.) of computer usable program code.
The present invention describes with reference to according to the flow chart of the method for the embodiment of the present invention, equipment (system) and computer program and/or block diagram.Should understand can by the combination of the flow process in each flow process in computer program instructions realization flow figure and/or block diagram and/or square frame and flow chart and/or block diagram and/or square frame.These computer program instructions can being provided to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, making the instruction performed by the processor of computer or other programmable data processing device produce device for realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be stored in can in the computer-readable memory that works in a specific way of vectoring computer or other programmable data processing device, the instruction making to be stored in this computer-readable memory produces the manufacture comprising command device, and this command device realizes the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be loaded in computer or other programmable data processing device, make on computer or other programmable devices, to perform sequence of operations step to produce computer implemented process, thus the instruction performed on computer or other programmable devices is provided for the step realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
Although describe the preferred embodiments of the present invention, those skilled in the art once obtain the basic creative concept of cicada, then can make other change and amendment to these embodiments.So claims are intended to be interpreted as comprising preferred embodiment and falling into all changes and the amendment of the scope of the invention.
Above to a kind of terminal provided by the present invention and communication means thereof, be described in detail, apply specific case herein to set forth principle of the present invention and execution mode, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping; Meanwhile, 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 described wireless transceiver module, comprising:
Power amplifier enhancer module, the radiofrequency signal after the power amplifier process of being fed back by receive path for the baseband signal that exports according to described baseband processing module and described wireless transceiver module, carries out digital pre-distortion process;
Described wireless transceiver module, for carrying out digital-to-analogue conversion, launching filtering, launching modulation and amplify process to the baseband signal after digital pre-distortion;
Described RF front-end module, comprising:
Power amplifier submodule, for adopting Doherty structure, carry out power amplifier process to the radiofrequency signal that described wireless transceiver module exports, the radiofrequency signal after power amplifier process is gone out through described antenna transmission; And
Coupling submodule, for being coupled the radiofrequency signal after obtaining power amplifier process; The multiplexing receive path being fed into described wireless transceiver module of radiofrequency signal after the power amplifier process that described coupling submodule exports;
Wherein, described wireless transceiver module comprises symmetrical transmission channel and described receive path; Described aggregation of data processing module, is separated with the radiofrequency signal as downstream data flow for the radiofrequency signal after the power amplifier process of the feedback to the receive path from described wireless transceiver module, and carries out aggregation of data process according to separating resulting.
2. terminal as claimed in claim 1, it is characterized in that, described RF front-end module also comprises:
Multiplexing process submodule, it is multiplexing that the receiving path for the radiofrequency signal after the power amplifier process that exports described coupling submodule and described RF front-end module carries out alternative; The signal that described multiplexing process submodule exports enters the receive path of described wireless transceiver module.
3. terminal as claimed in claim 2, it is characterized in that, described RF front-end module also comprises:
Duplexer, is connected with the receiving path of described power amplifier submodule, described RF front-end module and described antenna, for the requirement according to time division duplex, is separated receiving 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, it is characterized in that, described aggregation of data processing module also comprises:
Power detection submodule, for the radiofrequency signal after the power amplifier process of being fed back by receive path according to described wireless transceiver module, calculates power amplifier power output.
7. a communication means for 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 described wireless transceiver module;
Described communication means comprises:
Radiofrequency signal after the power amplifier process that the baseband signal that described aggregation of data processing module exports according to described baseband processing module and described wireless transceiver module are fed back by receive path, carries out digital pre-distortion process;
Described wireless transceiver module carries out digital-to-analogue conversion to the baseband signal after digital pre-distortion, launch filtering, launches modulation and amplify process;
Described RF front-end module adopts Doherty technology, and carry out power amplifier process to the radiofrequency signal that described wireless transceiver module exports, the radiofrequency signal after power amplifier process is gone out through described antenna transmission;
Described RF front-end module coupling obtains the radiofrequency signal after power amplifier process; The multiplexing receive path being fed into described wireless transceiver module of radiofrequency signal after the power amplifier process that described coupling obtains;
Wherein, described wireless transceiver module comprises symmetrical transmission channel and described receive path; Described communication means also comprises: be separated with the radiofrequency signal as downstream data flow the radiofrequency signal after the power amplifier process of the feedback of the receive path from described wireless transceiver module, and carries out aggregation of data process according to separating resulting.
8. communication means as claimed in claim 7, is characterized in that, also comprise:
It is multiplexing that radiofrequency signal after the power amplifier process that described RF front-end module obtains described coupling and the receiving 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 comprise:
The duplexer of described RF front-end module, according to the requirement of time division duplex, is separated receiving path and the transmission path of described RF front-end module by the control time.
10. communication means as claimed in claim 7 or 8, is characterized in that, described wireless transceiver module adopts broadband transceiver.
11. communication meanss as claimed in claim 7 or 8, is characterized in that, described RF front-end module adopts the power amplifier handling components of GaN material.
12. communication meanss as claimed in claim 7 or 8, is characterized in that, also comprise:
Radiofrequency signal after the power amplifier process that described aggregation of data processing module is fed back by receive path according to described wireless transceiver module, calculates power amplifier power output.
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| CN109831220A (en) * | 2017-11-22 | 2019-05-31 | 北京小米移动软件有限公司 | Mobile network's communicating terminal |
| CN110912580A (en) * | 2019-11-29 | 2020-03-24 | 三维通信股份有限公司 | Zero intermediate frequency hardware platform system and radio frequency remote unit suitable for 5G |
| CN215186707U (en) * | 2021-04-29 | 2021-12-14 | 罗森伯格技术有限公司 | Remote unit and multi-band distributed system |
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| CN1870614A (en) * | 2005-05-27 | 2006-11-29 | 华为技术有限公司 | Universal device for predistortion processing base band digital signal |
| CN1954490A (en) * | 2004-05-19 | 2007-04-25 | 艾利森电话股份有限公司 | Adaptive predistortion method and device |
| US7529524B1 (en) * | 2005-10-26 | 2009-05-05 | L3 Communications Corporation | Adaptive power amplifier linearization in time division duplex communication systems |
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| US7899416B2 (en) * | 2007-11-14 | 2011-03-01 | Crestcom, Inc. | RF transmitter with heat compensation and method therefor |
| US8412132B2 (en) * | 2008-08-21 | 2013-04-02 | Freescale Semiconductor, Inc. | Techniques for adaptive predistortion direct current offset correction in a transmitter |
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| CN1954490A (en) * | 2004-05-19 | 2007-04-25 | 艾利森电话股份有限公司 | Adaptive predistortion method and device |
| CN1870614A (en) * | 2005-05-27 | 2006-11-29 | 华为技术有限公司 | Universal device for predistortion processing base band digital signal |
| US7529524B1 (en) * | 2005-10-26 | 2009-05-05 | L3 Communications Corporation | Adaptive power amplifier linearization in time division duplex communication systems |
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