CN102404882A - Multi-mode radio frequency receiving and processing chip and multi-mode terminal - Google Patents
Multi-mode radio frequency receiving and processing chip and multi-mode terminal Download PDFInfo
- Publication number
- CN102404882A CN102404882A CN2011103476340A CN201110347634A CN102404882A CN 102404882 A CN102404882 A CN 102404882A CN 2011103476340 A CN2011103476340 A CN 2011103476340A CN 201110347634 A CN201110347634 A CN 201110347634A CN 102404882 A CN102404882 A CN 102404882A
- Authority
- CN
- China
- Prior art keywords
- frequency
- signal
- radio frequency
- mode radio
- filtering
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/005—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
- H04B1/0053—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/005—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
- H04B1/0053—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band
- H04B1/0057—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band using diplexing or multiplexing filters for selecting the desired band
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
- H04B1/1027—Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received signal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/16—Circuits
- H04B1/18—Input circuits, e.g. for coupling to an antenna or a transmission line
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Transceivers (AREA)
Abstract
The invention provides a multi-mode radio frequency receiving and processing chip, a multi-mode terminal and a signal receiving method of the multi-mode terminal. The multi-mode radio frequency receiving and processing chip is applied to a receiving passageway of the multi-mode terminal and comprises a filtering module, a variable-frequency processing module and an amplifying module which are connected with one another in sequence, wherein the filtering module is used for receiving signals in respective modes and filtering out-of-band noise of the signal; the variable-frequency processing module is used for mixing and varying frequencies of the signals of filtering the out-of-band noise of the filtering module; and the amplifying module is used for amplifying and outputting the signal of the noise produced when the variable frequency of the variable-frequency processing module is filtered. When the multi-mode radio frequency receiving and processing chip and the multi-mode terminal including the same are adopted, the number of internal devices of the chip is effectively reduced, and occupied area of a PCB (Printed Circuit Board) is greatly reduced.
Description
Technical field
The present invention relates to mobile communication technology, relate in particular to a kind of multi-mode radio frequency and receive the method that process chip, multimode terminal and multimode terminal receive 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 the configuration diagram of multimode terminal such as existing GSM/WCDMA, this multimode terminal comprises that baseband chip 100, GSM/WCDMA multi-mode radio frequency transceiving chip 200, GSM receive SAW filter (SAW) group 300, GSM power amplifier 400, duplexer module 500, WCDMA linear power amplifier group 600 and WCDMA duplexer group 700.
Signal Processing is received in the end-on of framework shown in Figure 1: electromagnetic wave signal receives the back by antenna and gets into antenna switch module 500; Under the control of baseband chip 100; Duplexer is selected the corresponding working frequency range that receives; Be fed to through signal after the Filtering Processing of GSMSAW then and carry out GSM in the multi-mode radio frequency transceiver 200 such as GSM/WCDMA and receive signal processing; Or each WCDMA signal sent into corresponding duplexer 700, signal is admitted to multi-mode radio frequency transceiver 200 such as GSM/WCDMA and carries out WCDMA and receive signal processing then.
Shown in Figure 2 is that terminal radio frequency receiving chip shown in Figure 1 is handled the sketch map that receives signal; Each road signal all need be through low noise amplifier (low noise amplifier separately; LNA) amplify; And then be sent in the corresponding frequency mixer and carry out frequency-conversion processing to intermediate-freuqncy signal, then through one group of band pass filter filtering out-of-band noise, carry out processing such as demodulation, decoding through being sent to baseband chip 100 after one group of LNA amplification more at last; This shows that this radiofrequency receiving chip has two-way IQ signal at least.
A phenomenon is arranged: because multimode terminals such as GSM/WCDMA comprise a plurality of reception frequency ranges in the conventional architectures scheme that multimode terminals such as GSM/WCDMA use; The module that processing receives in a plurality of GSM reception SAW of event needs and the GSM/WCDMA multi-mode radio frequency transceiving chip 200 is more complicated also; Particularly 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 reception signal processing chip shown in Figure 2 need be set in GSM/WCDMA multi-mode radio frequency transceiving chip 200; Make circuit structure very complicated, taken a large amount of printed circuit board (PCB) (PCB) area, being unfavorable for reducing cost more is unfavorable for improving the reliability at terminal and realizes miniaturization.
Summary of the invention
The embodiment of the invention provides a kind of multi-mode radio frequency to receive the method that process chip, multimode terminal and multimode terminal receive signal, takies the big defective of PCB area to solve existing multimode terminal radio frequency reception process chip.
The embodiment of the invention provides a kind of multi-mode radio frequency to receive process chip, is applied to the receive path of multimode terminal, and this multi-mode radio frequency receives process chip and comprises filtration module, frequency-conversion processing module and the amplification module that connects successively, wherein:
Said filtration module is used to receive the signal of various patterns, the out-of-band noise of the said signal of filtering;
Said frequency-conversion processing module, after being used for signal to said filtration module filtering out-of-band noise and carrying out the mixing frequency conversion, the noise that the filtering frequency conversion produces;
Said amplification module, the signal of the noise that is used for said frequency-conversion processing module filtering frequency conversion is produced carries out exporting after the processing and amplifying.
Preferably, said filtration module comprises variable filter; Said variable filter is used for the control signal according to the baseband chip transmission, adjusts centre frequency and the bandwidth of oneself, the out-of-band noise of the said signal of filtering.
Preferably, said frequency-conversion processing module comprises local oscillation circuit, frequency mixer and the band pass filter that links to each other successively, wherein:
Said local oscillation circuit is used for the control signal according to the baseband chip transmission, adjusts the centre frequency of oneself, and sends said centre frequency to said frequency mixer;
Said frequency mixer obtains one tunnel intermediate-freuqncy signal after the centre frequency mixing that is used for the signal of filtering out-of-band noise and said local oscillation circuit are sent;
Said band pass filter is used for that the said intermediate-freuqncy signal that said frequency mixer obtains is carried out the filtering out-of-band noise and handles.
Preferably; When said multi-mode radio frequency receives process chip and comprises a said frequency-conversion processing module; Said frequency mixer in the said frequency-conversion processing module links to each other with said filtration module, and the said band pass filter in the said frequency-conversion processing module links to each other with said amplification module; Perhaps
When said multi-mode radio frequency reception process chip comprises the frequency-conversion processing module of a plurality of connections successively; Said frequency mixer in first frequency-conversion processing module links to each other with said filtration module; Said band pass filter in last frequency-conversion processing module links to each other with said amplification module; Except that last frequency-conversion processing module, the said band pass filter in all the other each frequency-conversion processing modules links to each other with said frequency mixer in the back frequency-conversion processing module.
Preferably, said amplification module comprises low noise amplifier; Said low noise amplifier links to each other with said frequency-conversion processing module, and the signal of the noise that is used for said frequency-conversion processing module filtering frequency conversion is produced amplifies back output.
Preferably, said multi-mode radio frequency receives the multi-mode radio frequency transceiver that process chip is arranged in said multimode terminal.
Preferably, the signal of said various patterns comprises global system for mobile communications (GSM) signal, WCDMA (WCDMA) signal, code division multiple access (CDMA) signal, TD SDMA (TD-SCDMA) signal and Long Term Evolution (LTE) signal.
The embodiment of the invention also provides a kind of multimode terminal; Comprise baseband chip, duplexer module, duplexer and multi-mode radio frequency transceiver, what the multi-mode radio frequency in the said multi-mode radio frequency transceiver received the process chip employing is that above-mentioned multi-mode radio frequency receives process chip.
The embodiment of the invention also provides a kind of multimode terminal to receive the method for signal, and this method comprises:
Said multi-mode radio frequency receives the signal that process chip receives various patterns;
Said multi-mode radio frequency receives the control signal that process chip is sent according to said baseband chip, the out-of-band noise of the signal of the various patterns that filtering receives; After the signal of the various patterns of filtering out-of-band noise carried out the mixing frequency conversion, the noise that the filtering frequency conversion produces; The signal of the noise that the filtering frequency conversion is produced carries out processing and amplifying;
Said multi-mode radio frequency receives process chip and sends the signal after carrying out processing and amplifying to said baseband chip.
Preferably, said multi-mode radio frequency reception process chip is carried out the mixing frequency conversion to the signal of the various patterns of filtering out-of-band noise, comprising:
Said multi-mode radio frequency reception process chip is carried out the direct conversion frequency conversion to the signal of the various patterns of filtering out-of-band noise; Perhaps
Said multi-mode radio frequency reception process chip is carried out multistage mixing frequency conversion to the signal of the various patterns of filtering out-of-band noise.
Preferably, the signal of said various patterns comprises global system for mobile communications (GSM) signal, WCDMA (WCDMA) signal, code division multiple access (CDMA) signal, TD SDMA (TD-SCDMA) signal and Long Term Evolution (LTE) signal.
The multi-mode radio frequency of above-mentioned framework receives process chip and comprises the multimode terminal that this multi-mode radio frequency receives process chip, has reduced the quantity of this chip internal device effectively, has significantly reduced the area of shared PCB.
Description of drawings
Fig. 1 is existing GSM/WCDMA dual-mode terminal configuration diagram;
Fig. 2 is that terminal radio frequency transceiving chip shown in Figure 1 is handled the sketch map that receives signal;
Fig. 3 a is the structural representation that multi-mode radio frequency of the present invention receives process chip embodiment one;
Fig. 3 b is the structural representation that multi-mode radio frequency of the present invention receives process chip embodiment two;
Fig. 4 is the configuration diagram of dual-mode terminal embodiment 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 multi-mode radio frequency to receive process chip, is applied to the receive path of multimode terminal, and this multi-mode radio frequency receives process chip and comprises filtration module, frequency-conversion processing module and the amplification module that connects successively, wherein:
Said filtration module is used to receive the signal of various patterns, the out-of-band noise of the said signal of filtering;
Said frequency-conversion processing module, after being used for signal to said filtration module filtering out-of-band noise and carrying out the mixing frequency conversion, the noise that the filtering frequency conversion produces;
Said amplification module, the signal of the noise that is used for said frequency-conversion processing module filtering frequency conversion is produced carries out exporting after the processing and amplifying.
Wherein, said filtration module comprises variable filter; Said variable filter is used for the control signal according to the baseband chip transmission, adjusts centre frequency and the bandwidth of oneself, the out-of-band noise of the said signal of filtering.Said frequency-conversion processing module comprises local oscillation circuit, frequency mixer and the band pass filter that links to each other successively; Wherein: said local oscillation circuit; Be used for control signal, adjust the centre frequency of oneself, and send said centre frequency to said frequency mixer according to the baseband chip transmission; Said frequency mixer obtains one tunnel intermediate-freuqncy signal after the centre frequency mixing that is used for the signal of filtering out-of-band noise and said local oscillation circuit are sent; Said band pass filter is used for that the said intermediate-freuqncy signal that said frequency mixer obtains is carried out the filtering out-of-band noise and handles.Said amplification module comprises low noise amplifier; Said low noise amplifier links to each other with said frequency-conversion processing module, is used for the signal after the said frequency-conversion processing module filtered processing is amplified back output.
When said multi-mode radio frequency receives process chip and comprises a said frequency-conversion processing module; Said frequency mixer in the said frequency-conversion processing module links to each other with said filtration module; Said band pass filter in the said frequency-conversion processing module links to each other with said amplification module, and concrete structure is shown in Fig. 3 a; When said multi-mode radio frequency reception process chip comprises the frequency-conversion processing module of a plurality of connections successively; Frequency mixer in first frequency-conversion processing module links to each other with said filtration module; Band pass filter in last frequency-conversion processing module links to each other with said amplification module; Except that last frequency-conversion processing module, the band pass filter in all the other each frequency-conversion processing modules links to each other with frequency mixer in the back frequency-conversion processing module.For example, when it comprised two frequency-conversion processing modules, the annexation of its internal components was shown in Fig. 3 b.
The structural representation that structure shown in Fig. 3 a number is handled for adopting the Direct Conversion interface differential technique to collect mail; Adopt the process that structure is handled shown in Fig. 3 a to comprise: baseband processing chip 100 changes the centre frequency and the bandwidth of variable filter according to the frequency range that receives signal; Filtering receives the out-of-band noise of signal; And the centre frequency of change local oscillation circuit; Obtain the intermediate-freuqncy signal of a fixed frequency after reception signal and the local oscillator mixing; And then the harmonic signal that produces through narrow band filter filtering frequency mixer and circuit noise etc., deliver to baseband processing chip 100 behind the IQ signal and handle through delivering to after the LNA amplification to be demodulated in the multi-mode radio frequency transceiving chip 200 such as GSM/WCDMA at last.Its receive frequency of 65 channels as for GSM900 is 948MHz; Baseband processing chip 100 is 948MHz according to the central task frequency of the receive frequency change variable filter of GSM900; And then the centre frequency of change local oscillator is 877MHz; Intermediate-freuqncy signal through a 71MHz of output after the mixing; This intermediate-freuqncy signal is passed through the LNA processing and amplifying after being the narrow band filter filtering out-of-band noise of 200kHz through bandwidth again, delivers at last in the multi-mode radio frequency transceiving chip 200 such as GSM/WCDMA and is demodulated to the IQ signal.
The structural representation that structure shown in Fig. 3 b number is handled for adopting the double conversion interface differential technique to collect mail; Adopt the process that structure is handled shown in Fig. 3 b to be: to increase frequency-conversion processing several times with adopting the difference that structure is handled shown in Fig. 3 a; The benefit of doing like this is the image frequency that produces during control of conversion well, and device such as band pass filter is also realized than being easier to.
The multi-mode radio frequency of above-mentioned framework receives process chip; Because the signal to different mode does not amplify; But directly the signal of different mode is carried out the mixing frequency-conversion processing, and reduced the quantity of this chip internal device effectively, significantly reduced the area of shared PCB.
The embodiment of the invention also provides a kind of multimode terminal; This multimode terminal comprises above-mentioned multi-mode radio frequency and receives process chip; As shown in Figure 4; Be the configuration diagram of dual-mode terminal embodiment of the present invention, this terminal comprises: baseband chip 100, GSM/WCDMA bimodulus RF transceiver 200 (wherein be integrated with multi-mode radio frequency and receive process chip 300), GSM power amplifier 400, duplexer module 500, WCDMA power amplifier group 600 and WCDMA duplexer group 700 etc.
In the radiating circuit of the multimode terminals such as GSM/WCDMA of the foregoing description; Multi-mode radio frequency transceivers 200 such as GSM/WCDMA (integrated reception process chip 300); Identical with the emission function of conventional radio frequency transceiver, be that the IQ signal is gone out corresponding GSM or WCDMA frequency range through filtering, mixing equally, carry out low noise then respectively and amplify; Be input to again in corresponding GSM or the WCDMA power amplifier; The GSM signal is sent to duplexer module 500, and is sent to duplexer module 500 again after the WCDMA process WCDMA duplexer group 700, and the process that transmits at last duplexer module is sent to antenna and launches.
In the receiving circuit of the multimode terminals such as GSM/WCDMA of the foregoing description; Electromagnetic wave signal receives the back by antenna and gets into duplexer module 500; Under the control of baseband chip 100; The GSM signal that receives is directly delivered to multi-mode radio frequency receive process chip 300 multi-mode radio frequency transceiving chips 200 such as (be integrated in) GSM/WCDMA; WCDMA receives signal and then need pass through and deliver to multi-mode radio frequency after the corresponding duplexer group 700 again and receive process chip 300 multi-mode radio frequency transceiving chips 200 such as (be integrated in) GSM/WCDMA, at first the radiofrequency signal that receives is received the out-of-band noise of signal through the wave filter filtering, through Direct Conversion or multistage mixing frequency conversion (according to different GSM or WCDMA signal; Required local frequency is different); And then through the noise that wave filter filtering frequency conversion produces, pass through at last in the multi-mode radio frequency transceiving chips 200 such as being sent to GSM/WCDMA after low noise amplifier amplifies and be demodulated to the IQ signal, send into baseband chip 100 then and accomplish processing such as demodulation, decoding.
Said GSM/WCDMA 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.
Comprise the multimode terminal that above-mentioned multi-mode radio frequency receives process chip, overcome existing scheme and taken the big defective of PCB area, improved the integrated level of multimode terminal radio circuit.
The embodiment of the invention also provides a kind of method that multimode terminal shown in Figure 4 receives signal of using, and this method comprises:
Step 1, said multi-mode radio frequency receive the signal that process chip receives various patterns;
Multi-mode radio frequency receives process chip and receives from first signal of said duplexer module with from second mode signal of duplexer; Said first mode signal is global system for mobile communications (GSM) signal, and said second mode signal is WCDMA (WCDMA) signal, code division multiple access (CDMA) signal, TD SDMA (TD-SCDMA) signal or LTE signal;
Step 2, said multi-mode radio frequency receive the control signal that process chip is sent according to said baseband chip, the out-of-band noise of the signal of the various patterns that filtering receives; After the signal of the various patterns of filtering out-of-band noise carried out the mixing frequency conversion, the noise that the filtering frequency conversion produces; The signal of the noise that the filtering frequency conversion is produced carries out processing and amplifying;
In this step, the signal of the various patterns of filtering out-of-band noise is carried out the mixing frequency conversion comprise: the signal to the various patterns of filtering out-of-band noise carries out direct conversion frequency conversion or multistage mixing frequency conversion;
Step 3, said multi-mode radio frequency receive process chip and send the signal after carrying out processing and amplifying to said baseband chip.
The multimode terminal of above-mentioned framework does not influence use when realizing miniaturization.
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 (11)
1. a multi-mode radio frequency receives process chip, is applied to the receive path of multimode terminal, it is characterized in that, this multi-mode radio frequency receives process chip and comprises filtration module, frequency-conversion processing module and the amplification module that connects successively, wherein:
Said filtration module is used to receive the signal of various patterns, the out-of-band noise of the said signal of filtering;
Said frequency-conversion processing module, after being used for signal to said filtration module filtering out-of-band noise and carrying out the mixing frequency conversion, the noise that the filtering frequency conversion produces;
Said amplification module, the signal of the noise that is used for said frequency-conversion processing module filtering frequency conversion is produced carries out exporting after the processing and amplifying.
2. chip according to claim 1 is characterized in that:
Said filtration module comprises variable filter;
Said variable filter is used for the control signal according to the baseband chip transmission, adjusts centre frequency and the bandwidth of oneself, the out-of-band noise of the said signal of filtering.
3. chip according to claim 1 is characterized in that:
Said frequency-conversion processing module comprises local oscillation circuit, frequency mixer and the band pass filter that links to each other successively, wherein:
Said local oscillation circuit is used for the control signal according to the baseband chip transmission, adjusts the centre frequency of oneself, and sends said centre frequency to said frequency mixer;
Said frequency mixer obtains one tunnel intermediate-freuqncy signal after the centre frequency mixing that is used for the signal of filtering out-of-band noise and said local oscillation circuit are sent;
Said band pass filter is used for that the said intermediate-freuqncy signal that said frequency mixer obtains is carried out the filtering out-of-band noise and handles.
4. chip according to claim 3 is characterized in that:
When said multi-mode radio frequency received process chip and comprises a said frequency-conversion processing module, the said frequency mixer in the said frequency-conversion processing module linked to each other with said filtration module, and the said band pass filter in the said frequency-conversion processing module links to each other with said amplification module; Perhaps
When said multi-mode radio frequency reception process chip comprises the frequency-conversion processing module of a plurality of connections successively; Said frequency mixer in first frequency-conversion processing module links to each other with said filtration module; Said band pass filter in last frequency-conversion processing module links to each other with said amplification module; Except that last frequency-conversion processing module, the said band pass filter in all the other each frequency-conversion processing modules links to each other with said frequency mixer in the back frequency-conversion processing module.
5. chip according to claim 1 is characterized in that:
Said amplification module comprises low noise amplifier;
Said low noise amplifier links to each other with said frequency-conversion processing module, and the signal of the noise that is used for said frequency-conversion processing module filtering frequency conversion is produced amplifies back output.
6. according to the described chip of the arbitrary claim of claim 1-5, it is characterized in that:
Said multi-mode radio frequency receives the multi-mode radio frequency transceiver that process chip is arranged in said multimode terminal.
7. chip according to claim 6 is characterized in that:
The signal of said various patterns comprises global system for mobile communications (GSM) signal, WCDMA (WCDMA) signal, code division multiple access (CDMA) signal, TD SDMA (TD-SCDMA) signal and Long Term Evolution (LTE) signal.
8. multimode terminal; Comprise baseband chip, duplexer module, duplexer and multi-mode radio frequency transceiver; It is characterized in that what the multi-mode radio frequency in the said multi-mode radio frequency transceiver received the process chip employing is to receive process chip like the described multi-mode radio frequency of the arbitrary claim of claim 1-7.
9. a multimode terminal receives the method for signal, and this method comprises:
Said multi-mode radio frequency receives the signal that process chip receives various patterns;
Said multi-mode radio frequency receives the control signal that process chip is sent according to said baseband chip, the out-of-band noise of the signal of the various patterns that filtering receives; After the signal of the various patterns of filtering out-of-band noise carried out the mixing frequency conversion, the noise that the filtering frequency conversion produces; The signal of the noise that the filtering frequency conversion is produced carries out processing and amplifying;
Said multi-mode radio frequency receives process chip and sends the signal after carrying out processing and amplifying to said baseband chip.
10. method according to claim 9 is characterized in that:
Said multi-mode radio frequency reception process chip is carried out the mixing frequency conversion to the signal of the various patterns of filtering out-of-band noise, comprising:
Said multi-mode radio frequency reception process chip is carried out the direct conversion frequency conversion to the signal of the various patterns of filtering out-of-band noise; Perhaps
Said multi-mode radio frequency reception process chip is carried out multistage mixing frequency conversion to the signal of the various patterns of filtering out-of-band noise.
11., it is characterized in that according to claim 9 or 10 described methods:
The signal of said various patterns comprises global system for mobile communications (GSM) signal, WCDMA (WCDMA) signal, code division multiple access (CDMA) signal, TD SDMA (TD-SCDMA) signal and Long Term Evolution (LTE) signal.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103476340A CN102404882A (en) | 2011-11-04 | 2011-11-04 | Multi-mode radio frequency receiving and processing chip and multi-mode terminal |
| PCT/CN2012/075941 WO2013063921A1 (en) | 2011-11-04 | 2012-05-23 | Multi-mode radio frequency receiving processing chip and multi-mode terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103476340A CN102404882A (en) | 2011-11-04 | 2011-11-04 | Multi-mode radio frequency receiving and processing chip and multi-mode terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102404882A true CN102404882A (en) | 2012-04-04 |
Family
ID=45886533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103476340A Pending CN102404882A (en) | 2011-11-04 | 2011-11-04 | Multi-mode radio frequency receiving and processing chip and multi-mode terminal |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102404882A (en) |
| WO (1) | WO2013063921A1 (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013063921A1 (en) * | 2011-11-04 | 2013-05-10 | 中兴通讯股份有限公司 | Multi-mode radio frequency receiving processing chip 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 |
| WO2014067315A1 (en) * | 2012-11-05 | 2014-05-08 | 中兴通讯股份有限公司 | Multimode receiver and receiving method therefor |
| CN104469991A (en) * | 2014-11-21 | 2015-03-25 | 北京佰才邦技术有限公司 | Wireless communication method and device |
| CN105379129A (en) * | 2013-07-16 | 2016-03-02 | 株式会社村田制作所 | Front end circuit |
| CN105450249A (en) * | 2014-08-30 | 2016-03-30 | 展讯通信（上海）有限公司 | Compatible method for multiple communication modes in mobile terminal and mobile terminal |
| CN105933012A (en) * | 2016-04-13 | 2016-09-07 | 宽兆科技(深圳)有限公司 | 5.8GHz RF application method and system based on LTE frequency conversion technology |
| WO2017177404A1 (en) * | 2016-04-13 | 2017-10-19 | 宽兆科技(深圳)有限公司 | Lte frequency conversion technology-based 5.8 ghz radio frequency application method and system |
| CN107689812A (en) * | 2017-08-31 | 2018-02-13 | 广东欧珀移动通信有限公司 | Radio-frequency front-end module, mobile terminal and signal processing method |
| CN109150201A (en) * | 2018-06-25 | 2019-01-04 | 深圳市盛路物联通讯技术有限公司 | Multichannel reception type Internet of Things radio circuit and terminal |
| CN111786685A (en) * | 2020-06-15 | 2020-10-16 | 中国电子科技集团公司第二十研究所 | Ultra-wideband high-speed parallel acquisition method with flexibly variable bandwidth and local oscillator |
| CN113453425A (en) * | 2021-06-29 | 2021-09-28 | 惠州Tcl云创科技有限公司 | PCB assembly and mobile terminal |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1261996A (en) * | 1997-07-01 | 2000-08-02 | 艾利森电话股份有限公司 | Multiple mode direct conversion receiver |
| US20070042802A1 (en) * | 2005-08-17 | 2007-02-22 | Samsung Electronics Co., Ltd. | Multi-mode-multi-band wireless transceiver |
| CN101902243A (en) * | 2010-07-28 | 2010-12-01 | 锐迪科创微电子（北京）有限公司 | Configurable multimode radio-frequency front end module and mobile terminal having same |
| CN102055491A (en) * | 2010-04-14 | 2011-05-11 | 锐迪科创微电子（北京）有限公司 | Radio frequency front-end module and mobile communication device provided with same |
| CN102137513A (en) * | 2010-01-21 | 2011-07-27 | 无锡里外半导体科技有限公司 | Global system for mobile communication (GSM)/enhanced data rate for GSM evolution (EDGE)/time division synchronous code division multiple access (TD-SCDMA) transceiver and receiver |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7684461B2 (en) * | 2002-12-30 | 2010-03-23 | St-Ericsson Sa | Multimode receiver |
| CN1731693A (en) * | 2005-09-02 | 2006-02-08 | 东南大学 | Multi-mode mobile communication terminal and its signal processing method |
| CN102404882A (en) * | 2011-11-04 | 2012-04-04 | 中兴通讯股份有限公司 | Multi-mode radio frequency receiving and processing chip and multi-mode terminal |
-
2011
- 2011-11-04 CN CN2011103476340A patent/CN102404882A/en active Pending
-
2012
- 2012-05-23 WO PCT/CN2012/075941 patent/WO2013063921A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1261996A (en) * | 1997-07-01 | 2000-08-02 | 艾利森电话股份有限公司 | Multiple mode direct conversion receiver |
| US20070042802A1 (en) * | 2005-08-17 | 2007-02-22 | Samsung Electronics Co., Ltd. | Multi-mode-multi-band wireless transceiver |
| CN102137513A (en) * | 2010-01-21 | 2011-07-27 | 无锡里外半导体科技有限公司 | Global system for mobile communication (GSM)/enhanced data rate for GSM evolution (EDGE)/time division synchronous code division multiple access (TD-SCDMA) transceiver and receiver |
| CN102055491A (en) * | 2010-04-14 | 2011-05-11 | 锐迪科创微电子（北京）有限公司 | Radio frequency front-end module and mobile communication device provided with same |
| CN101902243A (en) * | 2010-07-28 | 2010-12-01 | 锐迪科创微电子（北京）有限公司 | Configurable multimode radio-frequency front end module and mobile terminal having same |
Non-Patent Citations (1)
| Title |
|---|
| 孙景琪等: "《通信广播电路原理与应用》", 31 August 2003 * |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013063921A1 (en) * | 2011-11-04 | 2013-05-10 | 中兴通讯股份有限公司 | Multi-mode radio frequency receiving processing chip 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 |
| WO2014067315A1 (en) * | 2012-11-05 | 2014-05-08 | 中兴通讯股份有限公司 | Multimode receiver and receiving method therefor |
| US9634872B2 (en) | 2012-11-05 | 2017-04-25 | Zte Corporation | Multimode receiver and receiving method therefor |
| CN105379129A (en) * | 2013-07-16 | 2016-03-02 | 株式会社村田制作所 | Front end circuit |
| US9979419B2 (en) | 2013-07-16 | 2018-05-22 | Murata Manufacturing Co., Ltd. | Front-end circuit |
| CN105450249A (en) * | 2014-08-30 | 2016-03-30 | 展讯通信（上海）有限公司 | Compatible method for multiple communication modes in mobile terminal and mobile terminal |
| CN104469991B (en) * | 2014-11-21 | 2018-01-16 | 北京佰才邦技术有限公司 | The method and device of wireless telecommunications |
| CN104469991A (en) * | 2014-11-21 | 2015-03-25 | 北京佰才邦技术有限公司 | Wireless communication method and device |
| WO2017177404A1 (en) * | 2016-04-13 | 2017-10-19 | 宽兆科技(深圳)有限公司 | Lte frequency conversion technology-based 5.8 ghz radio frequency application method and system |
| CN105933012A (en) * | 2016-04-13 | 2016-09-07 | 宽兆科技(深圳)有限公司 | 5.8GHz RF application method and system based on LTE frequency conversion technology |
| CN107689812A (en) * | 2017-08-31 | 2018-02-13 | 广东欧珀移动通信有限公司 | Radio-frequency front-end module, mobile terminal and signal processing method |
| CN109150201A (en) * | 2018-06-25 | 2019-01-04 | 深圳市盛路物联通讯技术有限公司 | Multichannel reception type Internet of Things radio circuit and terminal |
| CN109150201B (en) * | 2018-06-25 | 2021-01-26 | 深圳市盛路物联通讯技术有限公司 | Multi-channel receiving type Internet of things radio frequency circuit and terminal |
| CN111786685A (en) * | 2020-06-15 | 2020-10-16 | 中国电子科技集团公司第二十研究所 | Ultra-wideband high-speed parallel acquisition method with flexibly variable bandwidth and local oscillator |
| CN113453425A (en) * | 2021-06-29 | 2021-09-28 | 惠州Tcl云创科技有限公司 | PCB assembly and mobile terminal |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2013063921A1 (en) | 2013-05-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102404882A (en) | Multi-mode radio frequency receiving and processing chip and multi-mode terminal | |
| KR102504244B1 (en) | Cascaded switch between multiple LNAs | |
| CN102510297A (en) | Power amplification module, multi-mode radio frequency transceiver, duplexer and multi-mode terminal | |
| US10700715B2 (en) | Radio-frequency circuit | |
| US10015701B2 (en) | Multimode dual-path terminal | |
| JP2017028699A (en) | Transmitter system, radio frequency module, and wireless device | |
| CN102404022A (en) | Power amplifying module, radio frequency front end module and multi-mode terminal | |
| EP1764924A2 (en) | Dual mode front end module and mobile terminal having the same | |
| JP2002543658A (en) | System and process for shared function block CDMA / GSM communication transceiver | |
| CN106160756B (en) | radio frequency front end transmitting method, transmitting module, chip and communication terminal | |
| CN108233952B (en) | Communication module | |
| CN102404021A (en) | Duplex amplifying module, radio frequency front end module and multi-mode terminal | |
| US9642103B2 (en) | Power amplification module for multiple bands and multiple standards | |
| JP2009094713A (en) | Module and mobile communication terminal using it | |
| CN104242975A (en) | Communication terminal and method for reducing interference of communication terminal | |
| CN102404020A (en) | Power amplification module, multimode radio frequency transceiver and multimode terminal | |
| CN102420632A (en) | Radio frequency front end module, multimode terminal and multimode terminal signal sending method | |
| CN102510582A (en) | Multi-module radio-frequency emission process chip and multi-module terminal | |
| CN103957021A (en) | High-linearity low-noise short wave broadband receiver | |
| CN102420631A (en) | Power amplification apparatus, multi-mode radio frequency transmitting-receiving apparatus and multi-mode terminal | |
| CN115664451A (en) | Radio frequency front-end circuit, equipment terminal and chip | |
| CN102404881A (en) | Dual-mode radio frequency transceiver, filtering device and dual-mode terminal | |
| KR102215081B1 (en) | Method for processing transmitting signals and transmitter thereof | |
| CN102201799A (en) | Multi-carrier/multiband frequency-selecting implementation method and circuit | |
| US20180145635A1 (en) | Power amplification module |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20120404 |