CN102420631A - Power amplification apparatus, multi-mode radio frequency transmitting-receiving apparatus and multi-mode terminal - Google Patents
Power amplification apparatus, multi-mode radio frequency transmitting-receiving apparatus and multi-mode terminal Download PDFInfo
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- CN102420631A CN102420631A CN2011103460889A CN201110346088A CN102420631A CN 102420631 A CN102420631 A CN 102420631A CN 2011103460889 A CN2011103460889 A CN 2011103460889A CN 201110346088 A CN201110346088 A CN 201110346088A CN 102420631 A CN102420631 A CN 102420631A
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- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
- H03F3/24—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages
Abstract
The invention provides a power amplification apparatus, a multi-mode radio frequency transmitting-receiving apparatus, a power amplification chip, a multi-mode terminal and a method for the multi-mode terminal to send a signal. The above power amplification apparatus is applied to an emission channel of the multi-mode terminal and comprises a power amplifier and a signal adder, wherein, the power amplifier is used for receiving a phase signal of a first mode signal and sending an amplified phase signal to the signal adder, and the signal adder is used for receiving an amplitude signal of the first mode signal and the amplified phase signal, carrying out superposition on the amplitude signal and the amplified phase signal and outputting the amplitude signal and the amplified phase signal. According to a technical scheme of the present invention, for a WCDMA signal, only using one power amplification apparatus can realize amplification of a WCDMA multi-band signal, a problem of a large occupation area of a PCB is solved well, and miniaturization of the multi-mode terminal is realized.
Description
Technical field
The present invention relates to mobile communication technology, relate in particular to the method that a kind of power amplifier device, multi-mode radio frequency R-T unit, power amplification chip, multimode terminal and multimode terminal send signal.
Background technology
Current; There are a lot of different wireless communication systems in field of telecommunications; Adopted communication standard separately respectively; And separately operating frequency is all different with mode of operation under the distinct communication standards, as in the whole world second generation communication standard global system for mobile communications of extensive use (Global System for Mobile Communication, GSM); And third generation communication standard WCDMA (Wideband Code Division Multiple Access, the WCDMA) system of whole world popularization.For the terminal can be used in worldwide, it must support various communication standard simultaneously, and at present the most frequently used is the terminal of supporting GSM and WCDMA simultaneously.
As shown in Figure 1; Be existing GSM/WCDMA dual-mode terminal configuration diagram, this multimode terminal comprises baseband chip 100, GSM/WCDMA multi-mode radio frequency transceiving chip 200, GSM power amplifier 310, at least one WCDMA linear power amplifier 320 and duplexer 410, duplexer module 420.Owing to comprised the dozens of frequency range in the planning of WCDMA frequency spectrum to satisfy the demand in country variant and area; So the WCDMA terminal is if support a plurality of frequency ranges simultaneously; Just need corresponding each frequency range that corresponding WCDMA power amplifier and duplexer are set, and this moment, the duplexer module also needed corresponding increasing.
, multimode terminals such as GSM/WCDMA find when using conventional architectures; Because what the modulation system of WCDMA had caused that the power amplifier of traditional WCDMA adopts all is linear amplifier; The weak point of linear amplifier is that the efficient of power amplifier is low, power consumption is big etc.; Deficiencies such as this can cause the terminal standby time to lack, the terminal caloric value is big, these deficiencies have had influence on using of user and have experienced.Be the stand-by time at raising terminal and user's the new high efficiency power amplifier scheme of satisfaction needs.
When multimode terminals such as GSM/WCDMA use conventional architectures, also have the another one phenomenon: radio frequency part needs a GSM power amplifier, a WCDMA linear power amplifier and a duplexer at least.If support the WCDMA multiband, just need to increase WCDMA power amplifier and the duplexer even the increase duplexer module of a plurality of corresponding frequency band.In such conventional architectures, power amplifier and duplexer One's name is legion make circuit structure very complicated, have taken a large amount of printed circuit board (PCB) (PCB) area, are unfavorable for reducing cost, and more are unfavorable for improving the reliability at terminal and realize miniaturization.
Summary of the invention
The embodiment of the invention provides a kind of power amplifier device, multi-mode radio frequency R-T unit, power amplification chip, multimode terminal and multimode terminal to send the method for signal, takies the big problem of PCB area to solve existing multimode terminal.
The embodiment of the invention provides a kind of power amplifier device, is applied to the transmission channel of multimode terminal, and said power amplifier device comprises power amplifier and signal superimposer, wherein:
Said power amplifier is used to receive the phase signal of first mode signal, and the phase signal after amplifying is sent to said signal superimposer;
Said signal superimposer is used to receive the range signal of first mode signal and the phase signal after the said amplification, output after the phase signal after said range signal and the amplification is superposeed.
Preferably, said first mode signal is WCDMA (WCDMA) signal, code division multiple access (CDMA) signal, TD SDMA (TD-SCDMA) signal or Long Term Evolution (LTE) signal.
The embodiment of the invention provides a kind of power amplifier device, is applied to the transmission channel of multimode terminal, it is characterized in that, said power amplifier device comprises power amplifier, selector and the signal superimposer that connects successively, wherein:
Said power amplifier is used to receive the phase signal of first mode signal or receives second mode signal, and the signal that receives is amplified, and the signal after amplifying is sent to said selector;
Said selector; Be used to receive after the said amplification signal and from the mode indication signal of baseband chip; When this mode indication signal indication current emission signal is first mode signal; Signal after the said amplification is sent to said signal superimposer, when this mode indication signal indication current emission signal is second mode signal, the signal after the said amplification is directly exported;
Said signal superimposer, be used to receive the range signal of first mode signal and the amplification that sends from said selector after signal, with the stack of the signal after said range signal and said amplification back output.
Preferably, said first mode signal is WCDMA (WCDMA) signal, code division multiple access (CDMA) signal, TD SDMA (TD-SCDMA) signal or Long Term Evolution (LTE) signal; Said second mode signal is global system for mobile communications (GSM) signal.
The embodiment of the invention provides a kind of multi-mode radio frequency R-T unit, is applied to the transmission channel of multimode terminal, and said multi-mode radio frequency R-T unit comprises multi-mode radio frequency transceiving chip and demultiplexer, wherein:
Said multi-mode radio frequency transceiving chip is used for first mode signal is sent to said demultiplexer;
Said demultiplexer is used for said first mode signal is divided into range signal and phase signal, and exports the range signal of first mode signal and the phase signal of first mode signal respectively.
Preferably, said multi-mode radio frequency R-T unit also comprises amplitude controller and/or phase controller, wherein:
Said amplitude controller; Be used to receive the range signal of first mode signal of said demultiplexer output; According to the range signal of said first mode signal being carried out pre-distortion from the predistortion control signal of baseband chip, and the range signal of first mode signal after the output pre-distortion;
Said phase controller; Be used to receive the phase signal of first mode signal of said demultiplexer output; According to the phase signal of said first mode signal being carried out delay process from the delay control signal of baseband chip, and the phase signal of first mode signal after the output delay process.
Preferably, said first mode signal is WCDMA (WCDMA) signal, code division multiple access (CDMA) signal, TD SDMA (TD-SCDMA) signal or Long Term Evolution (LTE) signal.
The embodiment of the invention provides a kind of power amplification chip; This chip comprises like claim 3 or 4 described power amplifier device and demultiplexers; Said demultiplexer; Be used for said first mode signal that the multi-mode radio frequency transceiving chip sends is divided into phase signal and range signal, and export the phase signal of first mode signal and export the range signal of first mode signal to said signal superimposer to said power amplifier.
Preferably, this chip also comprises amplitude controller and/or phase controller, wherein:
Said amplitude controller; Between said demultiplexer and said signal superimposer; Be used to receive the range signal of first mode signal of said demultiplexer output; According to the range signal of said first mode signal being carried out pre-distortion from the predistortion control signal of baseband chip, and the range signal of first mode signal after said signal superimposer output pre-distortion;
Said phase controller; Between said demultiplexer and said power amplifier; Be used to receive the phase signal of first mode signal of said demultiplexer output; According to the phase signal of said first mode signal being carried out delay process from the delay control signal of baseband chip, and the phase signal of first mode signal after said power amplifier output delay process.
Preferably, said first mode signal is WCDMA (WCDMA) signal, code division multiple access (CDMA) signal, TD SDMA (TD-SCDMA) signal or Long Term Evolution (LTE) signal.
The embodiment of the invention provides a kind of multimode terminal, comprises the baseband chip, multi-mode radio frequency transmitting-receiving module, power amplification module and the radio-frequency front-end module that link to each other successively, wherein:
Said multi-mode radio frequency transmitting-receiving module comprises above-mentioned multi-mode radio frequency R-T unit, and said multi-mode radio frequency R-T unit also is used to export second mode signal;
Said power amplification module comprises above-mentioned power amplifier device and is used to amplify the second mode signal power amplifier of second mode signal of said multi-mode radio frequency R-T unit output.
The embodiment of the invention provides a kind of multimode terminal, comprises the baseband chip, multi-mode radio frequency transmitting-receiving module, power amplification module and the radio-frequency front-end module that link to each other successively, wherein:
Said multi-mode radio frequency transmitting-receiving module comprises above-mentioned multi-mode radio frequency R-T unit, and said multi-mode radio frequency R-T unit also is used to export second mode signal;
Said power amplification module comprises above-mentioned power amplifier device.
The embodiment of the invention provides a kind of multimode terminal, comprises the baseband chip, multi-mode radio frequency transmitting-receiving module, power amplification module and the radio-frequency front-end module that link to each other successively, wherein:
Said power amplification module comprises above-mentioned power amplification chip.
The embodiment of the invention provides a kind of multimode terminal to send the method for signal, and this method comprises:
First mode signal that the control signal that the multi-mode radio frequency R-T unit sends according to baseband chip will receive is divided into phase signal and range signal;
Power amplifier device amplifies said phase signal, phase signal and said range signal after amplifying is superposeed, and send the signal after the stack.
Preferably, said method also comprises:
Said multi-mode radio frequency R-T unit sends second mode signal according to the control signal that baseband chip sends to said power amplifier device;
Said power amplifier device amplifies said second mode signal, the concurrent signal that veers away after big.
Preferably; Said first mode signal is WCDMA (WCDMA) signal, code division multiple access (CDMA) signal, TD SDMA (TD-SCDMA) signal or Long Term Evolution (LTE) signal, and said second mode signal is global system for mobile communications (GSM) signal.
Above-mentioned multimode terminal only need use a power amplifier device can realize the amplification of WCDMA multi-band signal for the WCDMA signal, has solved preferably and has taken the big problem of PCB area, has realized the miniaturization of multimode terminal.
Description of drawings
Fig. 1 is existing GSM/WCDMA dual-mode terminal configuration diagram;
Fig. 2 a is the configuration diagram of dual-mode terminal embodiment one of the present invention;
Fig. 2 b is the configuration diagram of dual-mode terminal embodiment two of the present invention;
Fig. 3 is the flow chart that the present invention's dual-mode terminal shown in Figure 2 receives signal embodiment;
Fig. 4 is the flow chart that the present invention's dual-mode terminal shown in Figure 2 sends signal embodiment;
Fig. 5 is the configuration diagram of dual-mode terminal embodiment three of the present invention.
Embodiment
For making the object of the invention, technical scheme and advantage clearer, hereinafter will combine accompanying drawing that embodiments of the invention are elaborated.Need to prove that under the situation of not conflicting, embodiment among the application and the characteristic among the embodiment be combination in any each other.
The embodiment of the invention provides a kind of power amplifier device, is applied to the transmission channel of multimode terminal, and said power amplifier device comprises power amplifier and signal superimposer, wherein:
Said power amplifier is used to receive the phase signal of first mode signal, and the phase signal after amplifying is sent to said signal superimposer;
Said signal superimposer is used to receive the range signal of first mode signal and the phase signal after the said amplification, output after the phase signal after said range signal and the amplification is superposeed.
The framework that comprises the multimode terminal of above-mentioned power amplifier device can be referring to Fig. 2 a; Wherein, said first mode signal is WCDMA (WCDMA) signal, code division multiple access (CDMA) signal, TD SDMA (TD-SCDMA) signal or Long Term Evolution (LTE) signal.
The embodiment of the invention also provides a kind of power amplifier device, is applied to the transmission channel of multimode terminal, and said power amplifier device comprises power amplifier, selector and the signal superimposer that connects successively, wherein:
Said power amplifier is used to receive the phase signal of first mode signal or receives second mode signal, and the signal that receives is amplified, and the signal after amplifying is sent to said selector;
Said selector; Be used to receive after the said amplification signal and from the mode indication signal of baseband chip; When this mode indication signal indication current emission signal is first mode signal; Signal after the said amplification is sent to said signal superimposer, when this mode indication signal indication current emission signal is second mode signal, the signal after the said amplification is directly exported;
Said signal superimposer, be used to receive the range signal of first mode signal and the amplification that sends from said selector after signal, with the stack of the signal after said range signal and said amplification back output.
The framework that comprises the multimode terminal of above-mentioned power amplifier device can be referring to Fig. 2 b; Wherein, said first mode signal is WCDMA (WCDMA) signal, code division multiple access (CDMA) signal, TD SDMA (TD-SCDMA) signal or LTE signal; Said second mode signal is global system for mobile communications (GSM) signal.
Above-mentioned power amplifier device can be the GSM/WCDMA power amplifier device; This GSM/WCDMA power amplifier device is with being operated in two kinds of different modes of GSM or WCDMA respectively; To carry out processing and amplifying to the GSM signal by traditional approach for GSM mode power amplifying device, just use the enlargement range of a voltage control GSM signal.For the WCDMA pattern then is amplitude to be added on the phase place of power amplifier device amplification when only phase place being amplified; Promptly the signal input port of this power amplifier device will be divided into phase place and two signal input ports of amplitude; Because this moment, amplifier amplified is just not amplifying of getting on of stack of phase signal and range signal, so just can utilize power amplifier device separately phase signal to be amplified like this.
Because the working frequency range of the WCDMA power amplifier that existing and different frequency range are corresponding is different; And the WCDMA power amplifier need all amplify phase signal and range signal; So the working frequency range of each WCDMA power amplifier is limited, the power amplifier that promptly is fit to this frequency range may not be fit to another frequency range (only supporting single frequency band); And the power amplifier in the embodiment of the invention only amplifies phase signal, so the working frequency range scope of power amplifier can be greatly, so can support a plurality of frequency ranges of WCDMA.
Correspondingly; In order to realize the function of above-mentioned power amplifier device, the embodiment of the invention also provides a kind of multi-mode radio frequency R-T unit, is applied to the transmission channel of multimode terminal; Said multi-mode radio frequency R-T unit comprises multi-mode radio frequency transceiving chip and demultiplexer, wherein:
Said multi-mode radio frequency transceiving chip is used for first mode signal is sent to said demultiplexer;
Said demultiplexer is used for said first mode signal is divided into range signal and phase signal, and exports the range signal of first mode signal and the phase signal of first mode signal respectively.
In addition, in order to make first mode signal undistorted, said multi-mode radio frequency R-T unit can also comprise amplitude controller and/or phase controller, wherein:
Said amplitude controller; Be used to receive the range signal of first mode signal of said demultiplexer output; According to the range signal of said first mode signal being carried out pre-distortion from the predistortion control signal of baseband chip, and the range signal of first mode signal after the output pre-distortion;
Said phase controller; Be used to receive the phase signal of first mode signal of said demultiplexer output; According to the phase signal of said first mode signal being carried out delay process from the delay control signal of baseband chip, and the phase signal of first mode signal after the output delay process.
Above-mentioned multi-mode radio frequency R-T unit can be GSM/WCDMA multi-mode radio frequency R-T unit; GSM/WCDMA multi-mode radio frequency R-T unit (integrated amplitude controller and phase controller); Be with the difference of conventional radio frequency R-T unit: having increased transmits WCDMA is divided into amplitude and two kinds of unlike signals of phase place; And be transferred in the power amplifier device through amplitude controller and phase controller respectively and handle; Wherein, amplitude controller and phase controller are to be used for calibration amplitude and phase information, make through the WCDMA signal behind the GSM/WCDMA power amplifier device undistorted.
Amplitude controller can be an amplitude predistortion controller etc., when some distortion of amplitude of power amplifier device output signal, carry out processing such as predistortion through this amplitude controller of baseband chip control, thereby the amplitude that reaches satisfies standard-required.
Phase controller can be a phase place delayer etc.; Vector error (error vector magnitude when power amplifier device output signal; When EVM) big; Through baseband chip adjustment phase controller phase information is delayed time and to wait processing, thereby make amplifying signal reach the EVM requirement or obtain better EVM information.
Shown in Fig. 2 a; Be the configuration diagram of dual-mode terminal embodiment one of the present invention, this multimode terminal comprises: baseband chip 100, above-mentioned multi-mode radio frequency R-T unit 200 (being integrated with multi-mode radio frequency transceiving chip 210 and demultiplexer 220), above-mentioned power amplifier device 300 (being integrated with power amplifier and signal superimposer), GSM power amplifier 310 and radio-frequency front-end module 400; Above-mentioned multi-mode radio frequency R-T unit 200 also is used to export second mode signal.
The difference of the framework of the framework of multimode terminal and existing multimode terminal is among this embodiment: in the processing to first mode signal (WCDMA, CDMA, TD-SCDMA, LTE signal); Be that the multi-mode radio frequency R-T unit can be divided into phase signal and range signal with first mode signal, and by the power amplifier in the power amplifier device phase signal amplified the back and send after range signal in the signal superimposer superposes with sending to.
Since identical with prior art among this embodiment to the GSM Signal Processing, do not detail here.
Shown in Fig. 2 b; Be the configuration diagram of dual-mode terminal embodiment two of the present invention, this multimode terminal comprises: baseband chip 100, above-mentioned multi-mode radio frequency R-T unit 200 (being integrated with multi-mode radio frequency transceiving chip 210 and demultiplexer 220), above-mentioned power amplifier device 300 (being integrated with power amplifier, selector and signal superimposer) and radio-frequency front-end module 400.
Said multi-mode radio frequency R-T unit all links to each other with said baseband chip with said power amplifier device; Baseband chip 100 is used for the analyzing and processing radiofrequency signal, and transmits control signal to multi-mode radio frequency R-T units 210 such as GSM/WCDMA, GSM/WCDMA power amplifier device 300, radio-frequency front-end module 400.
Radio-frequency front-end module 400 is integrated duplexer module, GSM receiving filter and WCDMA duplexers etc. are used for signals such as GSM and WCDMA are selected to handle, and the function of its completion is identical with prior art, does not detail here.
Because the power amplifier device in the above-mentioned terminal only amplifies the phase signal of first mode signal (WCDMA, CDMA, TD-SCDMA, LTE signal); Therefore, this power amplifier device both can be operated in linear operation mode, can be operated in saturation operation mode again; If be operated in saturation operation mode; Can improve the efficient of power amplifier device, thereby reduce the consumption of electric current, also reduce the generation of heat simultaneously.
Above-mentioned multimode terminal is not limited to GSM and these two kinds of patterns of WCDMA, also can be other multimode standards such as GSM/CDMA, GSM/TD-SCDMA, GSM/LTE.
The multimode terminal that comprises above-mentioned power amplifier device has overcome and existing has taken the big defective of PCB area, helps realizing the miniaturization at terminal.
The process of the reception of the multimode terminals such as GSM/WCDMA of structure shown in use Fig. 2 a or Fig. 2 b signal is as shown in Figure 3, and this process is described from radio-frequency front-end module angle, because this process is identical with prior art, so sketch this process here, this process comprises:
The GSM signal still was the WCDMA signal when step 302, duplexer were judged the signal that receives, if the GSM signal, execution in step 303, if the WCDMA signal, execution in step 304;
Receive laggard duplexer of going into radio frequency front end module 400 by antenna, under the control of baseband chip 100, the duplexer module is selected the corresponding working frequency range that receives;
Multi-mode radio frequency R-T units 200 such as said GSM/WCDMA are converted to the low frequency i/q signal after treatment with the radiofrequency signal that receives, and send into baseband chip 100 and accomplish processing such as demodulation, decoding.
The process of multimode terminals such as the GSM/WCDMA transmission signal of structure shown in use Fig. 2 b is as shown in Figure 4, and this process comprises:
In the radiating circuit of the multimode terminal frameworks such as GSM/WCDMA of the foregoing description; Processing such as the coding of baseband chip 100 completion primary signals, modulation; Obtain the i/q signal of GSM or WCDMA etc.; Send in the multi-mode radio frequency R-T unit 200 such as GSM/WCDMA, the radiating portion in the multi-mode radio frequency R-T units 200 such as GSM/WCDMA is exported rf modulated signal after the i/q signal of input is accomplished change process;
This step is described from multi-mode radio frequency R-T unit angle, after the signal that the multi-mode radio frequency R-T unit is judged transmission is the WCDMA signal, is broken down into phase signal and range signal;
Because of power amplifier device is operated in the zone of saturation, the efficient that has improved power amplifier device has reduced the consumption of electric current, has also reduced the generation of heat simultaneously, therefore can increase the stand-by time at terminal;
WCDMA radiofrequency signal after step 406, the power amplification is admitted to the duplexer part in the RF front-end module 400 earlier, and then to antenna switch part, turns to step 408;
GSM radiofrequency signal after step 407, the power amplification is directly sent into the antenna switch part in the RF front-end module 400;
Simultaneously, baseband chip 100 is seen control signal off and is operated in corresponding pattern and frequency range with control RF front-end module 400.
The embodiment of the invention also provides a kind of power amplification chip; This chip comprises power amplifier device shown in Fig. 2 and demultiplexer; Said demultiplexer; Be used for said first mode signal that the multi-mode radio frequency transceiving chip sends is divided into phase signal and range signal, and export the phase signal of first mode signal and export the range signal of first mode signal to said signal superimposer to said power amplifier.
In addition; This chip can also comprise amplitude controller and/or phase controller; Wherein: said amplitude controller between said demultiplexer and said signal superimposer, is used to receive the range signal of first mode signal of said demultiplexer output; According to the range signal of said first mode signal being carried out pre-distortion from the predistortion control signal of baseband chip, and the range signal of first mode signal after said signal superimposer output pre-distortion; Said phase controller; Between said demultiplexer and said power amplifier; Be used to receive the phase signal of first mode signal of said demultiplexer output; According to the phase signal of said first mode signal being carried out delay process from the delay control signal of baseband chip, and the phase signal of first mode signal after said power amplifier output delay process.
Said first mode signal is WCDMA (WCDMA) signal, code division multiple access (CDMA) signal, TD SDMA (TD-SCDMA) signal or Long Term Evolution (LTE) signal.
As shown in Figure 5, be the configuration diagram of dual-mode terminal embodiment three of the present invention, this multimode terminal comprises above-mentioned power amplification chip, baseband chip, multi-mode radio frequency transmitting-receiving module, power amplification module and radio-frequency front-end module.
Utilizing this terminal to receive the process of signal can be referring to Fig. 3, and the process that transmits can repeat no more referring to Fig. 4 here.
One of ordinary skill in the art will appreciate that all or part of step in the said method can instruct related hardware to accomplish through program, said procedure can be stored in the computer-readable recording medium, like read-only memory, disk or CD etc.Alternatively, all or part of step of the foregoing description also can use one or more integrated circuits to realize.Correspondingly, each the module/unit in the foregoing description can adopt the form of hardware to realize, also can adopt the form of software function module to realize.The present invention is not restricted to the combination of the hardware and software of any particular form.
Above embodiment is only unrestricted in order to technical scheme of the present invention to be described, only with reference to preferred embodiment the present invention is specified.Those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement technical scheme of the present invention, and do not break away from the spirit and the scope of technical scheme of the present invention, all should be encompassed in the middle of the claim scope of the present invention.
Claims (16)
1. power amplifier device is applied to the transmission channel of multimode terminal, it is characterized in that said power amplifier device comprises power amplifier and signal superimposer, wherein:
Said power amplifier is used to receive the phase signal of first mode signal, and the phase signal after amplifying is sent to said signal superimposer;
Said signal superimposer is used to receive the range signal of first mode signal and the phase signal after the said amplification, output after the phase signal after said range signal and the amplification is superposeed.
2. power amplifier device according to claim 1 is characterized in that:
Said first mode signal is WCDMA (WCDMA) signal, code division multiple access (CDMA) signal, TD SDMA (TD-SCDMA) signal or Long Term Evolution (LTE) signal.
3. power amplifier device is applied to the transmission channel of multimode terminal, it is characterized in that said power amplifier device comprises power amplifier, selector and the signal superimposer that connects successively, wherein:
Said power amplifier is used to receive the phase signal of first mode signal or receives second mode signal, and the signal that receives is amplified, and the signal after amplifying is sent to said selector;
Said selector; Be used to receive after the said amplification signal and from the mode indication signal of baseband chip; When this mode indication signal indication current emission signal is first mode signal; Signal after the said amplification is sent to said signal superimposer, when this mode indication signal indication current emission signal is second mode signal, the signal after the said amplification is directly exported;
Said signal superimposer, be used to receive the range signal of first mode signal and the amplification that sends from said selector after signal, with the stack of the signal after said range signal and said amplification back output.
4. power amplifier device according to claim 3 is characterized in that:
Said first mode signal is WCDMA (WCDMA) signal, code division multiple access (CDMA) signal, TD SDMA (TD-SCDMA) signal or Long Term Evolution (LTE) signal; Said second mode signal is global system for mobile communications (GSM) signal.
5. multi-mode radio frequency R-T unit is applied to the transmission channel of multimode terminal, it is characterized in that said multi-mode radio frequency R-T unit comprises multi-mode radio frequency transceiving chip and demultiplexer, wherein:
Said multi-mode radio frequency transceiving chip is used for first mode signal is sent to said demultiplexer;
Said demultiplexer is used for said first mode signal is divided into range signal and phase signal, and exports the range signal of first mode signal and the phase signal of first mode signal respectively.
6. multi-mode radio frequency R-T unit according to claim 5 is characterized in that, said multi-mode radio frequency R-T unit also comprises amplitude controller and/or phase controller, wherein:
Said amplitude controller; Be used to receive the range signal of first mode signal of said demultiplexer output; According to the range signal of said first mode signal being carried out pre-distortion from the predistortion control signal of baseband chip, and the range signal of first mode signal after the output pre-distortion;
Said phase controller; Be used to receive the phase signal of first mode signal of said demultiplexer output; According to the phase signal of said first mode signal being carried out delay process from the delay control signal of baseband chip, and the phase signal of first mode signal after the output delay process.
7. according to claim 5 or 6 described multi-mode radio frequency R-T units, it is characterized in that:
Said first mode signal is WCDMA (WCDMA) signal, code division multiple access (CDMA) signal, TD SDMA (TD-SCDMA) signal or Long Term Evolution (LTE) signal.
8. power amplification chip; It is characterized in that; This chip comprises like claim 3 or 4 described power amplifier device and demultiplexers; Said demultiplexer is used for said first mode signal that the multi-mode radio frequency transceiving chip sends is divided into range signal and phase signal, and exports the phase signal of first mode signal and export the range signal of first mode signal to said signal superimposer to said power amplifier.
9. power amplification chip according to claim 8 is characterized in that this chip also comprises amplitude controller and/or phase controller, wherein:
Said amplitude controller; Between said demultiplexer and said signal superimposer; Be used to receive the range signal of first mode signal of said demultiplexer output; According to the range signal of said first mode signal being carried out pre-distortion from the predistortion control signal of baseband chip, and the range signal of first mode signal after said signal superimposer output pre-distortion;
Said phase controller; Between said demultiplexer and said power amplifier; Be used to receive the phase signal of first mode signal of said demultiplexer output; According to the phase signal of said first mode signal being carried out delay process from the delay control signal of baseband chip, and the phase signal of first mode signal after said power amplifier output delay process.
10. it is characterized in that according to Claim 8 or 9 described power amplification chips:
Said first mode signal is WCDMA (WCDMA) signal, code division multiple access (CDMA) signal, TD SDMA (TD-SCDMA) signal or Long Term Evolution (LTE) signal.
11. a multimode terminal comprises the baseband chip, multi-mode radio frequency transmitting-receiving module, power amplification module and the radio-frequency front-end module that link to each other successively, it is characterized in that:
Said multi-mode radio frequency transmitting-receiving module comprises that said multi-mode radio frequency R-T unit also is used to export second mode signal like claim 5 or 6 or 7 described multi-mode radio frequency R-T units;
Said power amplification module comprises power amplifier device according to claim 1 or claim 2 and is used to amplify the second mode signal power amplifier of second mode signal of said multi-mode radio frequency R-T unit output.
12. a multimode terminal comprises the baseband chip, multi-mode radio frequency transmitting-receiving module, power amplification module and the radio-frequency front-end module that link to each other successively, it is characterized in that:
Said multi-mode radio frequency transmitting-receiving module comprises that said multi-mode radio frequency R-T unit also is used to export second mode signal like claim 5 or 6 or 7 described multi-mode radio frequency R-T units;
Said power amplification module comprises like claim 3 or 4 described power amplifier devices.
13. a multimode terminal comprises the baseband chip, multi-mode radio frequency transmitting-receiving module, power amplification module and the radio-frequency front-end module that link to each other successively, it is characterized in that:
Said power amplification module comprises like claim 8 or 9 or 10 described power amplification chips.
14. a multimode terminal sends the method for signal, it is characterized in that this method comprises:
First mode signal that the control signal that the multi-mode radio frequency R-T unit sends according to baseband chip will receive is divided into range signal and phase signal;
Power amplifier device amplifies said phase signal, phase signal and said range signal after amplifying is superposeed, and send the signal after the stack.
15. method according to claim 14 is characterized in that, said method also comprises:
Said multi-mode radio frequency R-T unit sends second mode signal according to the control signal that baseband chip sends to said power amplifier device;
Said power amplifier device amplifies said second mode signal, the concurrent signal that veers away after big.
16. method according to claim 15 is characterized in that:
Said first mode signal is WCDMA (WCDMA) signal, code division multiple access (CDMA) signal, TD SDMA (TD-SCDMA) signal or Long Term Evolution (LTE) signal, and said second mode signal is global system for mobile communications (GSM) signal.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110346088.9A CN102420631B (en) | 2011-11-04 | 2011-11-04 | Power amplifier device, multi-mode radio frequency R-T unit and multimode terminal |
| PCT/CN2012/075644 WO2013063916A1 (en) | 2011-11-04 | 2012-05-17 | Power amplification device, multi-mode radio frequency transceiving device, and multi-mode terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110346088.9A CN102420631B (en) | 2011-11-04 | 2011-11-04 | Power amplifier device, multi-mode radio frequency R-T unit and multimode terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102420631A true CN102420631A (en) | 2012-04-18 |
| CN102420631B CN102420631B (en) | 2016-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110346088.9A Active CN102420631B (en) | 2011-11-04 | 2011-11-04 | Power amplifier device, multi-mode radio frequency R-T unit and multimode terminal |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102420631B (en) |
| WO (1) | WO2013063916A1 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013063916A1 (en) * | 2011-11-04 | 2013-05-10 | 中兴通讯股份有限公司 | Power amplification device, multi-mode radio frequency transceiving device, and multi-mode terminal |
| CN103379670A (en) * | 2012-04-20 | 2013-10-30 | 中兴通讯股份有限公司 | Multi-mode terminal |
| CN103580708A (en) * | 2012-07-30 | 2014-02-12 | 京信通信系统（广州）有限公司 | Transceiver device, array antenna device and indoor and outdoor cover system |
| CN104144527A (en) * | 2013-05-10 | 2014-11-12 | 深圳富泰宏精密工业有限公司 | Wireless communication device |
| CN104581920A (en) * | 2013-10-25 | 2015-04-29 | 展讯通信（上海）有限公司 | Multichannel signal emitting system and signal emitting method |
| CN105517200A (en) * | 2014-09-26 | 2016-04-20 | 联想(北京)有限公司 | Transmitted signal processing method and transmitted signal processing device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1567770A (en) * | 2003-06-20 | 2005-01-19 | 华为技术有限公司 | Multi-mode and multi-carrier radio-frequency receiver |
| CN1701521A (en) * | 2003-02-06 | 2005-11-23 | 松下电器产业株式会社 | Transmission device and adjustment method thereof |
| JP2006093873A (en) * | 2004-09-21 | 2006-04-06 | Matsushita Electric Ind Co Ltd | Eer modulation amplifier device |
| CN1853351A (en) * | 2003-09-25 | 2006-10-25 | 松下电器产业株式会社 | Amplifier circuit and amplifying method |
| CN101044689A (en) * | 2005-11-30 | 2007-09-26 | 株式会社东芝 | Signal processor for use with a power amplifier in a wireless circuit |
| US20080003960A1 (en) * | 2006-06-29 | 2008-01-03 | Alireza Zolfaghari | Polar transmitter amplifier with variable output power |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1783732A (en) * | 2004-12-03 | 2006-06-07 | 松下电器产业株式会社 | Multi-mode transmitter circuit and multi-mode tranmi-receive circuit and its radio communication device |
| CN102420631B (en) * | 2011-11-04 | 2016-03-30 | 中兴通讯股份有限公司 | Power amplifier device, multi-mode radio frequency R-T unit and multimode terminal |
-
2011
- 2011-11-04 CN CN201110346088.9A patent/CN102420631B/en active Active
-
2012
- 2012-05-17 WO PCT/CN2012/075644 patent/WO2013063916A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1701521A (en) * | 2003-02-06 | 2005-11-23 | 松下电器产业株式会社 | Transmission device and adjustment method thereof |
| CN1567770A (en) * | 2003-06-20 | 2005-01-19 | 华为技术有限公司 | Multi-mode and multi-carrier radio-frequency receiver |
| CN1853351A (en) * | 2003-09-25 | 2006-10-25 | 松下电器产业株式会社 | Amplifier circuit and amplifying method |
| JP2006093873A (en) * | 2004-09-21 | 2006-04-06 | Matsushita Electric Ind Co Ltd | Eer modulation amplifier device |
| CN101044689A (en) * | 2005-11-30 | 2007-09-26 | 株式会社东芝 | Signal processor for use with a power amplifier in a wireless circuit |
| US20080003960A1 (en) * | 2006-06-29 | 2008-01-03 | Alireza Zolfaghari | Polar transmitter amplifier with variable output power |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013063916A1 (en) * | 2011-11-04 | 2013-05-10 | 中兴通讯股份有限公司 | Power amplification device, multi-mode radio frequency transceiving device, and multi-mode terminal |
| CN103379670A (en) * | 2012-04-20 | 2013-10-30 | 中兴通讯股份有限公司 | Multi-mode terminal |
| CN103580708A (en) * | 2012-07-30 | 2014-02-12 | 京信通信系统（广州）有限公司 | Transceiver device, array antenna device and indoor and outdoor cover system |
| CN103580708B (en) * | 2012-07-30 | 2016-01-27 | 京信通信系统（广州）有限公司 | A kind of transceiver arrangement, array antenna device and indoor and outdoors covering system |
| CN104144527A (en) * | 2013-05-10 | 2014-11-12 | 深圳富泰宏精密工业有限公司 | Wireless communication device |
| CN104144527B (en) * | 2013-05-10 | 2019-02-26 | 深圳富泰宏精密工业有限公司 | Wireless communication device |
| CN104581920A (en) * | 2013-10-25 | 2015-04-29 | 展讯通信（上海）有限公司 | Multichannel signal emitting system and signal emitting method |
| CN104581920B (en) * | 2013-10-25 | 2019-07-23 | 展讯通信（上海）有限公司 | A kind of multi channel signals emission system and launching technique |
| CN105517200A (en) * | 2014-09-26 | 2016-04-20 | 联想(北京)有限公司 | Transmitted signal processing method and transmitted signal processing device |
| CN105517200B (en) * | 2014-09-26 | 2020-02-21 | 联想(北京)有限公司 | Method and device for processing transmitted signal |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2013063916A1 (en) | 2013-05-10 |
| CN102420631B (en) | 2016-03-30 |
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Effective date of registration: 20201231 Address after: 251714 west of chendalu village, Jianglou Town, Huimin County, Binzhou City, Shandong Province (south of national highway 220) Patentee after: Binzhou huaran chemical fiber rope net Co.,Ltd. Address before: 518057 Ministry of justice, Zhongxing building, South Science and technology road, Nanshan District hi tech Industrial Park, Shenzhen, Guangdong Patentee before: ZTE Corp. |
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Denomination of invention: Power amplification device, multi-mode RF transceiver, and multi-mode terminal Effective date of registration: 20231129 Granted publication date: 20160330 Pledgee: Industrial Commercial Bank of China Ltd. Huimin branch Pledgor: Binzhou huaran chemical fiber rope net Co.,Ltd. Registration number: Y2023980068207 |
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Granted publication date: 20160330 Pledgee: Industrial Commercial Bank of China Ltd. Huimin branch Pledgor: Binzhou huaran chemical fiber rope net Co.,Ltd. Registration number: Y2023980068207 |