CN102420631B - Power amplifier device, multi-mode radio frequency R-T unit and multimode terminal - Google Patents
Power amplifier device, multi-mode radio frequency R-T unit and multimode terminal Download PDFInfo
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- CN102420631B CN102420631B CN201110346088.9A CN201110346088A CN102420631B CN 102420631 B CN102420631 B CN 102420631B CN 201110346088 A CN201110346088 A CN 201110346088A CN 102420631 B CN102420631 B CN 102420631B
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- 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
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Abstract
The invention provides a kind of method that power amplifier device, multi-mode radio frequency R-T unit, power amplifier chip, multimode terminal and multimode terminal send signal, above-mentioned power amplifier device, be applied to the transmission channel of multimode terminal, it comprises power amplifier and Signal averaging device, wherein: described power amplifier, for receiving the phase signal of first mode signal, the phase signal after amplifying is sent to described Signal averaging device; Described Signal averaging device, for receiving the phase signal after the range signal of first mode signal and described amplification, is undertaken superposing rear output by described range signal and the phase signal after amplifying.Technical scheme of the present invention, only needs use power amplifier device can realize the amplification of WCDMA multi-band signal for WCDMA signal, solves preferably to take PCB surface and amass large problem, achieves the miniaturization of multimode terminal.
Description
Technical field
The present invention relates to mobile communication technology, particularly relate to a kind of method that power amplifier device, multi-mode radio frequency R-T unit, power amplifier chip, multimode terminal and multimode terminal send signal.
Background technology
Current, there is much different wireless communication systems in field of telecommunications, have employed respective communication standard respectively, and operating frequency respective under distinct communication standards and mode of operation are all different, as the second generation communication standard global system for mobile communications (GlobalSystemforMobileCommunication in whole world extensive use, GSM), and third generation communication standard Wideband Code Division Multiple Access (WCDMA) (WidebandCodeDivisionMultipleAccess, the WCDMA) system of whole world popularization.In order to enable terminal use in worldwide, it must support various different communication standard simultaneously, and the most frequently used is the terminal simultaneously supporting GSM and WCDMA at present.
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, a duplexer module 420.Owing to containing dozens of frequency range in the planning of WCDMA frequency spectrum to meet the demand in country variant and area, if so WCDMA terminal will support multiple frequency range simultaneously, just need corresponding each frequency range that corresponding WCDMA power amplifier and duplexer are set, and now duplexer module also need corresponding increase.
Use during conventional architectures at multimode terminals such as GSM/WCDMA and find, what the modulation system due to WCDMA caused the power amplifier employing of traditional WCDMA is all linear amplifier, the weak point of linear amplifier is that the efficiency of power amplifier is low, power consumption is large, this can cause the deficiencies such as terminal standby time is short, terminal caloric value is large, and these deficiencies have had influence on using of user and experienced.For the raising stand-by time of terminal and the satisfaction of user need new high efficiency power amplifier scheme.
Use during conventional architectures at multimode terminals such as GSM/WCDMA and also have another one phenomenon: radio frequency part at least needs a GSM power amplifier, a WCDMA linear power amplifier and a duplexer.If support WCDMA multiband, the WCDMA power amplifier and the duplexer that just need to increase multiple corresponding frequency band even increase duplexer module.In such conventional architectures, power amplifier and duplexer One's name is legion, make circuit structure very complicated, occupies a large amount of printed circuit board (PCB) (PCB) areas, be unfavorable for reducing costs, be more unfavorable for the reliability and the realization miniaturization that improve terminal.
Summary of the invention
Embodiments provide a kind of power amplifier device, multi-mode radio frequency R-T unit, power amplifier chip, multimode terminal and multimode terminal and send the method for signal, take PCB surface amass large problem to solve existing multimode terminal.
Embodiments provide a kind of power amplifier device, be applied to the transmission channel of multimode terminal, described power amplifier device comprises power amplifier and Signal averaging device, wherein:
Described power amplifier, for receiving the phase signal of first mode signal, is sent to described Signal averaging device by the phase signal after amplifying;
Described Signal averaging device, for receiving the phase signal after the range signal of first mode signal and described amplification, is undertaken superposing rear output by described range signal and the phase signal after amplifying.
Preferably, described first mode signal is Wideband Code Division Multiple Access (WCDMA) (WCDMA) signal, code division multiple access (CDMA) signal, TD SDMA (TD-SCDMA) signal or Long Term Evolution (LTE) signal.
Embodiments provide a kind of power amplifier device, be applied to the transmission channel of multimode terminal, it is characterized in that, described power amplifier device comprises the power amplifier, selector and the Signal averaging device that connect successively, wherein:
Described power amplifier, for receiving the phase signal of first mode signal or receiving the second mode signal, amplifies the signal received, and the signal after amplifying is sent to described selector;
Described selector, for receiving the signal after described amplification and the mode indication signal from baseband chip, when this mode indication signal indicates current transmitting as first mode signal, signal after described amplification is sent to described Signal averaging device, this mode indication signal instruction current transmit be the second mode signal time, the signal after described amplification is directly exported;
Described Signal averaging device, for the signal after the range signal that receives first mode signal and the amplification sent from described selector, exports after the Signal averaging after described range signal and described amplification.
Preferably, described first mode signal is Wideband Code Division Multiple Access (WCDMA) (WCDMA) signal, code division multiple access (CDMA) signal, TD SDMA (TD-SCDMA) signal or Long Term Evolution (LTE) signal; Described second mode signal is global system for mobile communications (GSM) signal.
Embodiments provide a kind of multi-mode radio frequency R-T unit, be applied to the transmission channel of multimode terminal, described multi-mode radio frequency R-T unit comprises multi-mode radio frequency transceiving chip and demultiplexer, wherein:
Described multi-mode radio frequency transceiving chip, for being sent to described demultiplexer by first mode signal;
Described demultiplexer, for described 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, described multi-mode radio frequency R-T unit also comprises amplitude controller and/or phase controller, wherein:
Described amplitude controller, for receiving the range signal of the first mode signal that described demultiplexer exports, carry out pre-distortion according to the range signal of predistortion control signal to described first mode signal from baseband chip, and export the range signal of the first mode signal after pre-distortion;
Described phase controller, for receiving the phase signal of the first mode signal that described demultiplexer exports, carry out delay process according to the phase signal of delay control signal to described first mode signal from baseband chip, and export the phase signal of the first mode signal after delay process.
Preferably, described first mode signal is Wideband Code Division Multiple Access (WCDMA) (WCDMA) signal, code division multiple access (CDMA) signal, TD SDMA (TD-SCDMA) signal or Long Term Evolution (LTE) signal.
Embodiments provide a kind of power amplifier chip, this chip comprises power amplifier device as described in claim 3 or 4 and demultiplexer, described demultiplexer, described first mode signal for being sent by multi-mode radio frequency transceiving chip is divided into phase signal and range signal, and exports the phase signal of first mode signal to described power amplifier and export the range signal of first mode signal to described Signal averaging device.
Preferably, this chip also comprises amplitude controller and/or phase controller, wherein:
Described amplitude controller, between described demultiplexer and described Signal averaging device, for receiving the range signal of the first mode signal that described demultiplexer exports, carry out pre-distortion according to the range signal of predistortion control signal to described first mode signal from baseband chip, and export the range signal of the first mode signal after pre-distortion to described Signal averaging device;
Described phase controller, between described demultiplexer and described power amplifier, for receiving the phase signal of the first mode signal that described demultiplexer exports, carry out delay process according to the phase signal of delay control signal to described first mode signal from baseband chip, and export the phase signal of the first mode signal after delay process to described power amplifier.
Preferably, described first mode signal is Wideband Code Division Multiple Access (WCDMA) (WCDMA) signal, code division multiple access (CDMA) signal, TD SDMA (TD-SCDMA) signal or Long Term Evolution (LTE) signal.
Embodiments provide a kind of multimode terminal, comprise baseband chip connected successively, multi-mode radio frequency transmitting-receiving module, power amplification module and radio-frequency front-end module, wherein:
Described multi-mode radio frequency transmitting-receiving module comprises above-mentioned multi-mode radio frequency R-T unit, and described multi-mode radio frequency R-T unit is also for exporting the second mode signal;
Described power amplification module comprises above-mentioned power amplifier device and the second mode signal power amplifier for amplifying the second mode signal that described multi-mode radio frequency R-T unit exports.
Embodiments provide a kind of multimode terminal, comprise baseband chip connected successively, multi-mode radio frequency transmitting-receiving module, power amplification module and radio-frequency front-end module, wherein:
Described multi-mode radio frequency transmitting-receiving module comprises above-mentioned multi-mode radio frequency R-T unit, and described multi-mode radio frequency R-T unit is also for exporting the second mode signal;
Described power amplification module comprises above-mentioned power amplifier device.
Embodiments provide a kind of multimode terminal, comprise baseband chip connected successively, multi-mode radio frequency transmitting-receiving module, power amplification module and radio-frequency front-end module, wherein:
Described power amplification module comprises above-mentioned power amplifier chip.
Embodiments provide a kind of method that multimode terminal sends signal, the method comprises:
The first mode signal received is divided into phase signal and range signal by the control signal that multi-mode radio frequency R-T unit sends according to baseband chip;
Power amplifier device amplifies described phase signal, is superposed by the phase signal after amplifying, and send the signal after superposition with described range signal.
Preferably, described method also comprises:
The control signal that described multi-mode radio frequency R-T unit sends according to baseband chip sends the second mode signal to described power amplifier device;
Described power amplifier device amplifies described second mode signal, the concurrent signal greatly that veers away.
Preferably, described first mode signal is Wideband Code Division Multiple Access (WCDMA) (WCDMA) signal, code division multiple access (CDMA) signal, TD SDMA (TD-SCDMA) signal or Long Term Evolution (LTE) signal, and described second mode signal is global system for mobile communications (GSM) signal.
Above-mentioned multimode terminal, only needs use power amplifier device can realize the amplification of WCDMA multi-band signal for WCDMA signal, solves preferably to take PCB surface and amass large problem, achieves the miniaturization of multimode terminal.
Accompanying drawing explanation
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 of the dual-mode terminal Received signal strength embodiment shown in Fig. 2 of the present invention;
Fig. 4 is the flow chart that the dual-mode terminal shown in Fig. 2 of the present invention sends signal embodiment;
Fig. 5 is the configuration diagram of dual-mode terminal embodiment three of the present invention.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly understand, hereinafter will be described in detail to embodiments of the invention by reference to the accompanying drawings.It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combination in any mutually.
Embodiments provide a kind of power amplifier device, be applied to the transmission channel of multimode terminal, described power amplifier device comprises power amplifier and Signal averaging device, wherein:
Described power amplifier, for receiving the phase signal of first mode signal, is sent to described Signal averaging device by the phase signal after amplifying;
Described Signal averaging device, for receiving the phase signal after the range signal of first mode signal and described amplification, is undertaken superposing rear output by described range signal and the phase signal after amplifying.
The framework comprising the multimode terminal of above-mentioned power amplifier device can see Fig. 2 a; Wherein, described first mode signal is Wideband Code Division Multiple Access (WCDMA) (WCDMA) signal, code division multiple access (CDMA) signal, TD SDMA (TD-SCDMA) signal or Long Term Evolution (LTE) signal.
The embodiment of the present invention additionally provides a kind of power amplifier device, is applied to the transmission channel of multimode terminal, and described power amplifier device comprises the power amplifier, selector and the Signal averaging device that connect successively, wherein:
Described power amplifier, for receiving the phase signal of first mode signal or receiving the second mode signal, amplifies the signal received, and the signal after amplifying is sent to described selector;
Described selector, for receiving the signal after described amplification and the mode indication signal from baseband chip, when this mode indication signal indicates current transmitting as first mode signal, signal after described amplification is sent to described Signal averaging device, this mode indication signal instruction current transmit be the second mode signal time, the signal after described amplification is directly exported;
Described Signal averaging device, for the signal after the range signal that receives first mode signal and the amplification sent from described selector, exports after the Signal averaging after described range signal and described amplification.
The framework comprising the multimode terminal of above-mentioned power amplifier device can see Fig. 2 b; Wherein, described first mode signal is Wideband Code Division Multiple Access (WCDMA) (WCDMA) signal, code division multiple access (CDMA) signal, TD SDMA (TD-SCDMA) signal or LTE signal; Described second mode signal is global system for mobile communications (GSM) signal.
Above-mentioned power amplifier device can be GSM/WCDMA power amplifier device, this GSM/WCDMA power amplifier device will be operated in GSM or WCDMA two kinds of different modes respectively, amplification process will be carried out to GSM signal in a traditional way for GSM mode power amplifier device, namely use the enlargement range of a voltage control GSM signal.The while that WCDMA mode being then and only being amplified phase place, amplitude is added in the phase place of power amplifier device amplification, namely the signal input port of this power amplifier device will be divided into phase place and amplitude two signal input ports, because what now amplifier amplified is phase signal and range signal be not amplifying of getting on of superposition just, therefore power amplifier device just can be utilized to amplify phase signal separately like this.
Because the working frequency range of the existing WCDMA power amplifier corresponding from different frequency range is different, and WCDMA power amplifier needs all to amplify phase signal and range signal, so the working frequency range of each WCDMA power amplifier is limited, the power amplifier being namely applicable to this frequency range may not be applicable to another frequency range (only supporting single frequency band); And the power amplifier in the embodiment of the present invention only amplifies phase signal, so the working frequency range scope of power amplifier can be larger, therefore multiple frequency ranges of WCDMA can be supported.
Correspondingly, in order to realize the function of above-mentioned power amplifier device, the embodiment of the present invention additionally provides a kind of multi-mode radio frequency R-T unit, is applied to the transmission channel of multimode terminal, described multi-mode radio frequency R-T unit comprises multi-mode radio frequency transceiving chip and demultiplexer, wherein:
Described multi-mode radio frequency transceiving chip, for being sent to described demultiplexer by first mode signal;
Described demultiplexer, for described 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, described multi-mode radio frequency R-T unit can also comprise amplitude controller and/or phase controller, wherein:
Described amplitude controller, for receiving the range signal of the first mode signal that described demultiplexer exports, carry out pre-distortion according to the range signal of predistortion control signal to described first mode signal from baseband chip, and export the range signal of the first mode signal after pre-distortion;
Described phase controller, for receiving the phase signal of the first mode signal that described demultiplexer exports, carry out delay process according to the phase signal of delay control signal to described first mode signal from baseband chip, and export the phase signal of the first mode signal after 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: adding transmits WCDMA is divided into amplitude and phase place two kinds of unlike signals, and be transferred in power amplifier device respectively by amplitude controller and phase controller and process, wherein, amplitude controller and phase controller are for calibration amplitude and phase information, make the WCDMA signal after GSM/WCDMA power amplifier device undistorted.
Amplitude controller can be amplitude predistortion controller etc., when some distortion of amplitude of power amplifier device output signal, control this amplitude controller and carry out the process such as predistortion, thus the amplitude that reaches meets standard-required by baseband chip.
Phase controller can be phase retarders etc., as the vector error (errorvectormagnitude of power amplifier device output signal, EVM) time larger, by baseband chip adjustment phase controller, the process such as time delay are carried out to phase information, thus make amplifying signal reach EVM requirement or obtain better EVM information.
As shown in Figure 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 averaging device), GSM power amplifier 310 and radio-frequency front-end module 400; Above-mentioned multi-mode radio frequency R-T unit 200 is also for exporting the second mode signal.
In this embodiment, the difference of the framework of multimode terminal and the framework of existing multimode terminal is: in the process to first mode signal (WCDMA, CDMA, TD-SCDMA, LTE signal), namely first mode signal can be divided into phase signal and range signal by multi-mode radio frequency R-T unit, and sends after superposing with the range signal be sent in Signal averaging device after being amplified phase signal by the power amplifier in power amplifier device.
Due to same as the prior art to the process of GSM signal in this embodiment, do not describe in detail herein.
As shown in Figure 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 averaging device) and radio-frequency front-end module 400.
Described multi-mode radio frequency R-T unit is all connected with described baseband chip with described power amplifier device; Baseband chip 100 for analyzing and processing radiofrequency signal, and transmits control signal to the 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 with duplexer module, GSM receiving filter and WCDMA duplexer etc., and for carrying out selection process to signals such as GSM and WCDMA, its function completed is same as the prior art, does not describe in detail herein.
Because the power amplifier device in 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, saturation operation mode can be operated in again, if be operated in saturation operation mode, the efficiency of power amplifier device can be improve, thus reduce the consumption of electric current, also reduce the generation of heat simultaneously.
Above-mentioned multimode terminal is not limited to these two kinds of patterns of GSM and WCDMA, also can be other multimode standard such as GSM/CDMA, GSM/TD-SCDMA, GSM/LTE.
Comprise the multimode terminal of above-mentioned power amplifier device, overcome the existing PCB surface that takies and amass large defect, be conducive to the miniaturization realizing terminal.
Use the process of the multimode terminal Received signal strength such as the GSM/WCDMA of structure shown in Fig. 2 a or Fig. 2 b as shown in Figure 3, this process is described from radio-frequency front-end module angle, and because this process is same as the prior art, so sketch this process herein, this process comprises:
Step 301, antenna receive electromagnetic wave signal;
GSM signal or WCDMA signal during the signal that the judgement of step 302, duplexer receives, if GSM signal, perform step 303, if WCDMA signal, performs step 304;
By antenna receive laggard enter the duplexer of radio frequency front end module 400, under the control of baseband chip 100, duplexer module is selected to receive working frequency range accordingly;
GSM signal is sent into through GSM receiving filter in the dual-mode radio frequency R-T units 200 such as GSM/WCDMA by step 303, duplexer;
Step 304, under the control of baseband chip 100, WCDMA signal is sent into the duplexer in radio-frequency front-end module 400 by duplexer, and then signal is admitted to the multi-mode radio frequency R-T units 200 such as GSM/WCDMA.
The radiofrequency signal received is converted to low frequency i/q signal by the multi-mode radio frequency R-T units 200 such as described GSM/WCDMA after treatment, sends into baseband chip 100 and completes the process such as demodulation, decoding.
Use the multimode terminals such as the GSM/WCDMA of structure shown in Fig. 2 b to send the process of signal as shown in Figure 4, this process comprises:
Step 401, baseband chip send signal;
In the radiating circuit of the multimode terminal framework such as GSM/WCDMA of above-described embodiment, baseband chip 100 completes the process such as coding, modulation of primary signal, obtain the i/q signal of GSM or WCDMA etc., send in the multi-mode radio frequency R-T units 200 such as GSM/WCDMA, after the i/q signal of the radiating portion in the multi-mode radio frequency R-T units 200 such as GSM/WCDMA to input completes change process, export rf modulated signal;
Step 402, multi-mode radio frequency R-T unit judge that the signal that baseband chip sends is GSM signal or WCDMA signal, if GSM signal, perform step 403, if WCDMA signal, perform step 404;
Step 403, direct demodulation radiofrequency signal being out input in GSM/WCDMA power amplifier device 300 carry out amplification process, turn to step 407;
Step 404, need this signal decomposition to be become amplitude and phase place two groups of signals, respectively through the amplitude and the phase signal input port that are admitted to GSM/WCDMA power amplifier device 300 after the adjustment of amplitude controller and phase controller;
This step is described from multi-mode radio frequency R-T unit angle, and multi-mode radio frequency R-T unit judges that the signal sent is after WCDMA signal, is broken down into phase signal and range signal;
Step 405, baseband chip 100 sending control signal, make GSM/WCDMA power amplifier device 300 be operated in zone of saturation, and amplify phase signal and keep range signal constant separately, and superposed with amplitude information by the phase signal after amplifying;
Because power amplifier device is operated in zone of saturation, the efficiency that improve power amplifier device decreases the consumption of electric current, also decreases the generation of heat simultaneously, therefore can increase the stand-by time of terminal;
WCDMA radiofrequency signal after step 406, power amplification is first admitted to the diplexing sections in RF front-end module 400, and then to antenna switch part, turns to step 408;
GSM radiofrequency signal after step 407, power amplification is sent directly into the antenna switch part in RF front-end module 400;
Step 408, GSM/WCDMA radiofrequency signal are all sent into the main antenna of terminal by duplexer.
Meanwhile, baseband chip 100 sending control signal is operated in corresponding pattern and frequency range to control RF front-end module 400.
The embodiment of the present invention additionally provides a kind of power amplifier chip, this chip comprises the power amplifier device shown in Fig. 2 and demultiplexer, described demultiplexer, described first mode signal for being sent by multi-mode radio frequency transceiving chip is divided into phase signal and range signal, and exports the phase signal of first mode signal to described power amplifier and export the range signal of first mode signal to described Signal averaging device.
In addition, this chip can also comprise amplitude controller and/or phase controller, wherein: described amplitude controller, between described demultiplexer and described Signal averaging device, for receiving the range signal of the first mode signal that described demultiplexer exports, carry out pre-distortion according to the range signal of predistortion control signal to described first mode signal from baseband chip, and export the range signal of the first mode signal after pre-distortion to described Signal averaging device; Described phase controller, between described demultiplexer and described power amplifier, for receiving the phase signal of the first mode signal that described demultiplexer exports, carry out delay process according to the phase signal of delay control signal to described first mode signal from baseband chip, and export the phase signal of the first mode signal after delay process to described power amplifier.
Described first mode signal is Wideband Code Division Multiple Access (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 amplifier chip, baseband chip, multi-mode radio frequency transmitting-receiving module, power amplification module and radio-frequency front-end module.
Utilize the process of this terminal received signals can see Fig. 3, the process transmitted see Fig. 4, can repeat no more herein.
The all or part of step that one of ordinary skill in the art will appreciate that in said method is carried out instruction related hardware by program and is completed, and said procedure can be stored in computer-readable recording medium, as read-only memory, disk or CD etc.Alternatively, all or part of step of above-described embodiment also can use one or more integrated circuit to realize.Correspondingly, each module/unit in above-described embodiment can adopt the form of hardware to realize, and the form of software function module also can be adopted to realize.The present invention is not restricted to the combination of the hardware and software of any particular form.
Above embodiment only in order to technical scheme of the present invention and unrestricted to be described, only with reference to preferred embodiment to invention has been detailed description.Those of ordinary skill in the art should be appreciated that and can modify to technical scheme of the present invention or equivalent replacement, and does not depart from the spirit and scope of technical solution of the present invention, all should be encompassed in the middle of right of the present invention.
Claims (17)
1. a power amplifier device, is applied to the transmission channel of multimode terminal, it is characterized in that, described power amplifier device comprises power amplifier and Signal averaging device, wherein:
Described power amplifier, for receiving the phase signal of first mode signal, is sent to described Signal averaging device by the phase signal after amplifying;
Described Signal averaging device, for receiving the phase signal after the range signal of first mode signal and described amplification, is undertaken superposing rear output by described range signal and the phase signal after amplifying.
2. power amplifier device according to claim 1, is characterized in that:
Described first mode signal is Wideband Code Division Multiple Access (WCDMA) (WCDMA) signal, code division multiple access (CDMA) signal, TD SDMA (TD-SCDMA) signal or Long Term Evolution (LTE) signal.
3. a power amplifier device, is applied to the transmission channel of multimode terminal, it is characterized in that, described power amplifier device comprises the power amplifier, selector and the Signal averaging device that connect successively, wherein:
Described power amplifier, for receiving the phase signal of first mode signal or receiving the second mode signal, amplifies the signal received, and the signal after amplifying is sent to described selector;
Described selector, for receiving the signal after described amplification and the mode indication signal from baseband chip, when this mode indication signal indicates current transmitting as first mode signal, signal after described amplification is sent to described Signal averaging device, this mode indication signal instruction current transmit be the second mode signal time, the signal after described amplification is directly exported;
Described Signal averaging device, for the signal after the range signal that receives first mode signal and the amplification sent from described selector, exports after the Signal averaging after described range signal and described amplification.
4. power amplifier device according to claim 3, is characterized in that:
Described first mode signal is Wideband Code Division Multiple Access (WCDMA) (WCDMA) signal, code division multiple access (CDMA) signal, TD SDMA (TD-SCDMA) signal or Long Term Evolution (LTE) signal; Described second mode signal is global system for mobile communications (GSM) signal.
5. a power amplifier chip, it is characterized in that, this chip comprises power amplifier device as described in claim 3 or 4 and demultiplexer, described demultiplexer, described first mode signal for being sent by multi-mode radio frequency transceiving chip is divided into range signal and phase signal, and exports the phase signal of first mode signal to described power amplifier and export the range signal of first mode signal to described Signal averaging device.
6. power amplifier chip according to claim 5, is characterized in that, this chip also comprises amplitude controller and/or phase controller, wherein:
Described amplitude controller, between described demultiplexer and described Signal averaging device, for receiving the range signal of the first mode signal that described demultiplexer exports, carry out pre-distortion according to the range signal of predistortion control signal to described first mode signal from baseband chip, and export the range signal of the first mode signal after pre-distortion to described Signal averaging device;
Described phase controller, between described demultiplexer and described power amplifier, for receiving the phase signal of the first mode signal that described demultiplexer exports, carry out delay process according to the phase signal of delay control signal to described first mode signal from baseband chip, and export the phase signal of the first mode signal after delay process to described power amplifier.
7. the power amplifier chip according to claim 5 or 6, is characterized in that:
Described first mode signal is Wideband Code Division Multiple Access (WCDMA) (WCDMA) signal, code division multiple access (CDMA) signal, TD SDMA (TD-SCDMA) signal or Long Term Evolution (LTE) signal.
8. a multimode terminal, comprises baseband chip connected successively, multi-mode radio frequency transmitting-receiving module, power amplification module and radio-frequency front-end module, it is characterized in that:
Described multi-mode radio frequency transmitting-receiving module comprises multi-mode radio frequency R-T unit, and described multi-mode radio frequency R-T unit is also for exporting the second mode signal;
Described power amplification module comprises power amplifier device as claimed in claim 1 or 2 and the second mode signal power amplifier for amplifying the second mode signal that described multi-mode radio frequency R-T unit exports;
Wherein, described multi-mode radio frequency R-T unit is applied to the transmission channel of described multimode terminal, comprising:
Multi-mode radio frequency transceiving chip, for being sent to demultiplexer by first mode signal;
Demultiplexer, for described 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.
9. multimode terminal according to claim 8, is characterized in that, described multi-mode radio frequency R-T unit also comprises amplitude controller and/or phase controller, wherein:
Described amplitude controller, for receiving the range signal of the first mode signal that described demultiplexer exports, carry out pre-distortion according to the range signal of predistortion control signal to described first mode signal from baseband chip, and export the range signal of the first mode signal after pre-distortion;
Described phase controller, for receiving the phase signal of the first mode signal that described demultiplexer exports, carry out delay process according to the phase signal of delay control signal to described first mode signal from baseband chip, and export the phase signal of the first mode signal after delay process.
10. multimode terminal according to claim 8 or claim 9, is characterized in that:
Described first mode signal is Wideband Code Division Multiple Access (WCDMA) (WCDMA) signal, code division multiple access (CDMA) signal, TD SDMA (TD-SCDMA) signal or Long Term Evolution (LTE) signal.
11. 1 kinds of multimode terminals, comprise baseband chip connected successively, multi-mode radio frequency transmitting-receiving module, power amplification module and radio-frequency front-end module, it is characterized in that:
Described multi-mode radio frequency transmitting-receiving module comprises multi-mode radio frequency R-T unit, and described multi-mode radio frequency R-T unit is also for exporting the second mode signal;
Described power amplification module comprises the power amplifier device as described in claim 3 or 4;
Wherein, described multi-mode radio frequency R-T unit is applied to the transmission channel of described multimode terminal, comprising:
Multi-mode radio frequency transceiving chip, for being sent to demultiplexer by first mode signal;
Demultiplexer, for described 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.
12. multimode terminals according to claim 11, is characterized in that, described multi-mode radio frequency R-T unit also comprises amplitude controller and/or phase controller, wherein:
Described amplitude controller, for receiving the range signal of the first mode signal that described demultiplexer exports, carry out pre-distortion according to the range signal of predistortion control signal to described first mode signal from baseband chip, and export the range signal of the first mode signal after pre-distortion;
Described phase controller, for receiving the phase signal of the first mode signal that described demultiplexer exports, carry out delay process according to the phase signal of delay control signal to described first mode signal from baseband chip, and export the phase signal of the first mode signal after delay process.
13. multimode terminals according to claim 11 or 12, is characterized in that:
Described first mode signal is Wideband Code Division Multiple Access (WCDMA) (WCDMA) signal, code division multiple access (CDMA) signal, TD SDMA (TD-SCDMA) signal or Long Term Evolution (LTE) signal.
14. 1 kinds of multimode terminals, comprise baseband chip connected successively, multi-mode radio frequency transmitting-receiving module, power amplification module and radio-frequency front-end module, it is characterized in that:
Described power amplification module comprises the power amplifier chip as described in claim 5 or 6 or 7.
15. 1 kinds of multimode terminals send the method for signal, and it is characterized in that, the method comprises:
The first mode signal received is divided into range signal and phase signal by the control signal that multi-mode radio frequency R-T unit sends according to baseband chip;
Power amplifier device amplifies described phase signal, is superposed by the phase signal after amplifying, and send the signal after superposition with described range signal.
16. methods according to claim 15, is characterized in that, described method also comprises:
The control signal that described multi-mode radio frequency R-T unit sends according to baseband chip sends the second mode signal to described power amplifier device;
Described power amplifier device amplifies described second mode signal, the concurrent signal greatly that veers away.
17. methods according to claim 16, is characterized in that:
Described first mode signal is Wideband Code Division Multiple Access (WCDMA) (WCDMA) signal, code division multiple access (CDMA) signal, TD SDMA (TD-SCDMA) signal or Long Term Evolution (LTE) signal, and described 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 |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110346088.9A CN102420631B (en) | 2011-11-04 | 2011-11-04 | Power amplifier device, multi-mode radio frequency R-T unit and multimode terminal |
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| CN102420631A CN102420631A (en) | 2012-04-18 |
| CN102420631B true CN102420631B (en) | 2016-03-30 |
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| WO (1) | WO2013063916A1 (en) |
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| 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 |
| CN103379670A (en) * | 2012-04-20 | 2013-10-30 | 中兴通讯股份有限公司 | Multi-mode terminal |
| 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 |
| CN104144527B (en) * | 2013-05-10 | 2019-02-26 | 深圳富泰宏精密工业有限公司 | Wireless communication device |
| 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 |
| CN105517200B (en) * | 2014-09-26 | 2020-02-21 | 联想(北京)有限公司 | Method and device for processing transmitted signal |
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| CN102420631A (en) | 2012-04-18 |
| WO2013063916A1 (en) | 2013-05-10 |
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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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