CN102412858B - The method of RF transceiver, terminal and terminal received signals - Google Patents
The method of RF transceiver, terminal and terminal received signals Download PDFInfo
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- CN102412858B CN102412858B CN201110346133.0A CN201110346133A CN102412858B CN 102412858 B CN102412858 B CN 102412858B CN 201110346133 A CN201110346133 A CN 201110346133A CN 102412858 B CN102412858 B CN 102412858B
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- 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
- H04B1/1081—Reduction of multipath noise
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Abstract
The invention provides a kind of RF transceiver, terminal and the method for terminal received signals, wherein, this RF transceiver, it is applied in terminal, this RF transceiver includes rf chip, described terminal includes a main reception system and at least one auxiliary reception system, described main reception system includes the main antenna being sequentially connected with, main receiver module and described RF transceiver, described auxiliary reception system includes the auxiliary antenna that is sequentially connected with and auxiliary receiver module, described RF transceiver also includes: signal processing module, it is connected with described rf chip, for synchronizing to receive the signal of the described main receiver module auxiliary receiver module transmission corresponding with idle auxiliary antenna, after the multiple signals received synthesize a road signal, output is to described rf chip.Above-mentioned RF transceiver and terminal, use multiplexing reception mode to receive base station signal by main antenna and idle auxiliary sky line locking, it is achieved multipath reception, be greatly improved reception signaling rate and signal receiving strength.
Description
Technical field
The present invention relates to mobile communication technology, particularly relate to a kind of RF transceiver, terminal and terminal and receive
The method of signal.
Background technology
Along with the development of the mobile phone terminal market demand, the integrated design degree complexity of mobile phone is more and more higher,
One high-end handsets terminal be often integrated with bluetooth, Wireless Fidelity (WIFI), radio (FM),
The multiple systems such as gravity sensing, earth induction, acceleration induction, global positioning system (GPS), and
The system (such as WIFI, bluetooth, GPS etc.) relating to signal transmission will have sky on mobile phone terminal
Line, transmission receiving front-end and signal processing system, and these systems are the most all the most self-existent,
Not multiplexing.
As it is shown in figure 1, the traditional mobile phone as a example by WCDMA (WCDMA) mobile phone terminal
Radio architectures includes multiple separate radio system, including WCDMA, bluetooth, WIFI, GPS
Etc. system.WCDMA system receives signal by main antenna 1, via duplexer 4 to duplexer 6
Arrive reception road afterwards and enter back into rf chip 7；Bluetooth system passes through Bluetooth antenna 2 via Bluetooth matching
Circuit 8, bluetooth transceiving chip 9 arrive bluetooth baseband and process chip 10；WIFI, GPS-type are similar to bluetooth,
By respective reception antenna, signal is received, via respective match circuit, transceiving chip to base band core
Sheet carries out signal processing.
When the terminal of above-mentioned framework carries out network communication data transmission, there is signal reception and become with environment
Change changes acutely, transmission speed is similarly subjected to the problems such as impact causes transmission speed relatively low.
Summary of the invention
A kind of method embodiments providing RF transceiver, terminal and terminal received signals, with
Solve the problems such as existing terminal signaling receiving ability changes acutely, transmission speed is relatively low with environmental change.
Embodiments provide a kind of RF transceiver, be applied in terminal, described RF transceiver
Including rf chip, described terminal includes a main reception system and at least one auxiliary reception system,
Described main reception system includes the main antenna being sequentially connected with, main receiver module and described RF transceiver, institute
Stating auxiliary antenna and auxiliary receiver module that auxiliary reception system includes being sequentially connected with, described RF transceiver also includes:
Signal processing module, is connected with described rf chip, is used for synchronizing to receive described main reception mould
The signal that the auxiliary receiver module that block is corresponding with idle auxiliary antenna sends, the multiple signals synthesis that will receive
After one road signal, output is to described rf chip.
Preferably, described auxiliary receiver module includes duplexer, match circuit and the wave filter being sequentially connected with,
Wherein:
Described match circuit, for mating the auxiliary antenna that described auxiliary receiver module is corresponding, to described wave filter
Transmit the described signal that described auxiliary antenna receives；
Described wave filter, the described signal for sending described match circuit exports to institute after being filtered
State signal processing module.
Preferably, the signal received when described main antenna be WCDMA (WCDMA) signal or
During CDMA (CDMA) signal, described main receiver module includes being positioned at described main antenna and described letter
Duplexer between number processing module and duplexer；Or
Described auxiliary reception system at least two, the signal received when described main antenna is except WCDMA believes
Number and CDMA signal outside signal time, described main receiver module includes being positioned at described main antenna and described
Duplexer between signal processing module and antenna-matching circuit.
Embodiments provide a kind of RF transceiver, be applied in terminal, described RF transceiver
Including rf chip, described terminal includes a main reception system and at least one auxiliary reception system,
Described main reception system includes the main antenna being sequentially connected with, main receiver module and described RF transceiver, institute
Stating auxiliary antenna and auxiliary receiver module that auxiliary reception system includes being sequentially connected with, described RF transceiver also includes
The signal processing module being sequentially connected with and filtration module, wherein:
Described signal processing module, is used for synchronizing to receive described main receiver module corresponding with idle auxiliary antenna
The signal that sends of auxiliary receiver module, the multiple signals received are synthesized after a road signal output to the most described
Filtration module；
Described filtration module, is connected with described rf chip, for defeated to described signal processing module
After the signal filtering gone out, output is to described rf chip.
Preferably, described auxiliary receiver module includes duplexer and the match circuit being sequentially connected with, wherein:
Described match circuit, for mating the auxiliary antenna that described auxiliary receiver module is corresponding, to institute's signal processing
Module transmits the described signal that described auxiliary antenna receives.
Preferably, the signal received when described main antenna be WCDMA (WCDMA) signal or
During CDMA (CDMA) signal, described main receiver module includes being positioned at described main antenna and described letter
Duplexer between number processing module and duplexer；Or
Described auxiliary reception system at least two, the signal received when described main antenna is except WCDMA believes
Number and CDMA signal outside signal time, described main receiver module includes being positioned at described main antenna and described
Duplexer between signal processing module and antenna-matching circuit.
Embodiments provide a kind of terminal, this terminal include a main reception system and at least one
Auxiliary reception system, described main reception system includes that the main antenna being sequentially connected with, main receiver module and radio frequency are received
Sending out device, described auxiliary reception system includes auxiliary antenna and auxiliary receiver module, the described radio-frequency receiving-transmitting being sequentially connected with
Device uses above-mentioned RF transceiver.
Embodiments provide a kind of terminal, this terminal include a main reception system and at least one
Auxiliary reception system, described main reception system includes that the main antenna being sequentially connected with, main receiver module and radio frequency are received
Sending out device, described auxiliary reception system includes auxiliary antenna and auxiliary receiver module, the described radio-frequency receiving-transmitting being sequentially connected with
Device uses above-mentioned RF transceiver.
A kind of method embodiments providing terminal received signals, the method includes:
It is corresponding with idle auxiliary antenna that the RF transceiver of main reception system synchronizes to receive described main reception system
Auxiliary reception system send multiple signals；
Described RF transceiver exports to radio-frequency receiving-transmitting core after the multiple signals received are synthesized a road signal
Sheet.
A kind of method embodiments providing terminal received signals, the method includes:
It is corresponding with idle auxiliary antenna that the RF transceiver of main reception system synchronizes to receive described main reception system
Auxiliary reception system send multiple signals；
The multiple signals received are synthesized a road signal, the signal filtering of Bing Duigai road by described RF transceiver
Rear output is to rf chip.
Above-mentioned RF transceiver and terminal, use multiplexing reception mode by main antenna and idle auxiliary antenna
Synchronize to receive base station signal, it is achieved multipath reception, be greatly improved reception signaling rate and signal receives
Intensity.
Accompanying drawing explanation
Fig. 1 is the radio architectures schematic diagram of existing WCDMA mobile phone terminal；
Fig. 2 is the mobile phone radio frequency configuration diagram one of WCDMA mobile phone terminal embodiment of the present invention；
Fig. 3 is the mobile phone radio frequency configuration diagram two of WCDMA mobile phone terminal embodiment of the present invention.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing
Embodiments of the invention are described in detail.It should be noted that in the case of not conflicting, this Shen
Embodiment in please and the feature in embodiment can mutual combination in any.
Embodiments providing a kind of RF transceiver, be applied in terminal, described terminal includes one
Individual main reception system and at least one auxiliary reception system, described RF transceiver includes rf chip,
It is characterized in that, described main reception system includes the main antenna being sequentially connected with, main receiver module and described penetrates
Frequently transceiver, described auxiliary reception system includes auxiliary antenna and auxiliary receiver module, the described radio frequency being sequentially connected with
Transceiver also includes: signal processing module, is connected with described rf chip, is used for synchronizing to receive institute
State the signal that the main receiver module auxiliary receiver module corresponding with idle auxiliary antenna sends, many by receiving
After the signal of road signal syntheses one road, output is to described rf chip.
Specifically, described auxiliary receiver module includes duplexer, match circuit and the wave filter being sequentially connected with,
Wherein: described match circuit, for mating the auxiliary antenna that described auxiliary receiver module is corresponding, to described filtering
Device transmits the signal that described auxiliary antenna receives；Described wave filter, for the letter sending described match circuit
After number being filtered, output is to described signal processing module.
It should be noted that the main reception system mentioned in the embodiment of the present invention refers to and the current collection of letters waiting
Number corresponding system, the most currently received signal is WCDMA signal, the most current main reception system
For WCDMA system, the most currently received signal is Bluetooth signal, the most current main reception system
For Bluetooth system, main reception system and auxiliary reception system in the present embodiment are not changeless.
The signal received when described main antenna is WCDMA (WCDMA) signal or CDMA
(CDMA), during signal, described main receiver module includes being positioned at described main antenna and described signal processing mould
Duplexer between block and duplexer.
Above-mentioned RF transceiver, uses multiplexing reception mode to synchronize to receive base station signal, it is achieved multipath reception,
It is greatly improved reception signaling rate and signal receiving strength.
As in figure 2 it is shown, be the mobile phone radio frequency configuration diagram of WCDMA mobile phone terminal embodiment of the present invention
One, in this embodiment, each system is no longer individually present, but at bluetooth, WIFI, GPS system sky
Idle, utilize the antenna of its free time, reception system as WCDMA receive system auxiliary reception system or
Composition diversity system.WCDMA system is to receive signal from main antenna 1, via duplexer 4
To duplexer 8, arrive signal processing module 11 afterwards and enter back into radio-frequency (RF) receiving and transmission module 12；Bluetooth system itself
Time idle (when not using Bluetooth function, or when Bluetooth system does not has signal processing, signal transport behavior),
After Bluetooth antenna 2 receives WCDMA signal, it is no longer pass through Bluetooth matching circuit 14 but through antenna
Switch 5 is switched to new antenna-matching circuit 13, and (this match circuit is to make Bluetooth antenna to receive
WCDMA signal and the match circuit that designs), it is then passed through wave filter 9 entering signal processing module 11
(this signal processing module is used for processing a few road and receives signal, processes signal, integrates, closes road
It is a road signal), signal enters back into radio-frequency receiving-transmitting processing module 12；WIFI, GPS system receive
The behavior of WCDMA signal is similar to Bluetooth system, passes through duplexer by respective antenna receiving signal
Via entering signal processing module 11 after new match circuit, wave filter, signal is entered by signal processing module
Row processes, integration enters back into radio-frequency receiving-transmitting processing module 12.And signal processing module 11 and radio-frequency receiving-transmitting
Processing module 12 is included within the rf chip of improvement, i.e. signal integration and transmitting-receiving processes
All carry out at chip internal.
In sum, the framework of above-mentioned multiplexing reception is to incorporate WCDMA and other radio frequency reception systems
System, and using other radio-frequency receiving systems as the auxiliary reception system of WCDMA, multichannel diversity reception signal.
When other radio system free time, its antenna is utilized to receive after WCDMA signal through duplexer, warp
By new match circuit, (this match circuit is for mating bluetooth, WIFI, gps antenna to receive
WCDMA signal), then device (filters outside WCDMA required reception frequency band signals after filtering
Noise signal), the signal that several signals and WCDMA system itself receive afterwards is by signal processing mould
Block synthesizes a road signal, enters WCDMA radio-frequency (RF) receiving and transmission module and carries out signal processing.
It addition, when the signal of described main antenna reception is in addition to WCDMA signal and CDMA signal
Signal such as Bluetooth signal time, described main receiver module includes being positioned at described main antenna and described signal
Duplexer between reason module, antenna-matching circuit, certainly, this main receiver module can also include it
His peripheral circuit or other devices, such as wave filter, balun (balun) etc.；And now as bluetooth system
The main reception system of system can receive bluetooth by the auxiliary reception system synchronization that idle WIFI antenna is corresponding
Signal, it is identical, the most no longer with the process synchronizing to receive WCDMA signal Fig. 2 Suo Shi that it realizes process
Repeat.
Owing under normal circumstances, the antenna of WCDMA is not at Idle state, therefore, for bluetooth or
WIFI system, synchronizes to receive signal only with other idle systems in addition to WCDMA.When
So, utilizing time division technique and other main reception system synchronization to receive signal for WCDMA system is also can
With, it should be noted that WCDMA mobile phone main antenna does the auxiliary antenna of other system, or other
When system makees the auxiliary antenna of WCDMA system, auxiliary antenna is all a multifrequency antenna or wide frequency antenna does
Different application.
Comprise the terminal of above-mentioned RF transceiver, use multiplexing reception mode by main reception system and auxiliary to connect
Receive system synchronization and receive base station signal, it is achieved multipath reception, be greatly improved reception signaling rate and letter
Number receiving intensity.
The embodiment of the present invention additionally provides a kind of RF transceiver, is applied in terminal, and described terminal includes
One main reception system and at least one auxiliary reception system, described RF transceiver includes rf chip,
It is characterized in that, described main reception system includes the main antenna being sequentially connected with, main receiver module and described penetrates
Frequently transceiver, described auxiliary reception system includes auxiliary antenna and auxiliary receiver module, the described radio frequency being sequentially connected with
Transceiver also includes signal processing module and the filtration module being sequentially connected with, wherein:
Described signal processing module, is used for synchronizing to receive described main receiver module corresponding with idle auxiliary antenna
The signal that sends of auxiliary receiver module, the multiple signals received are synthesized after a road signal output to the most described
Filtration module；
Described filtration module, is connected with described rf chip, for defeated to described signal processing module
After the signal filtering gone out, output is to described rf chip.
Specifically, described auxiliary receiver module includes duplexer and the match circuit being sequentially connected with, wherein:
Described match circuit, for mating the auxiliary antenna that described auxiliary receiver module is corresponding, to institute's signal processing
Module transmits the signal that described auxiliary antenna receives.
Wherein, the signal received when described main antenna is WCDMA (WCDMA) signal or code
When dividing multiple access (CDMA) signal, described main receiver module includes being positioned at described main antenna and described signal
Duplexer between processing module and duplexer.The signal received when described main antenna is except WCDMA
During signal outside signal and CDMA signal, described main receiver module includes being positioned at described main antenna and institute
State the duplexer between signal processing module, antenna-matching circuit and other peripheral circuits, now eventually
Auxiliary reception system at least two in end.
As it is shown on figure 3, the mobile phone radio frequency configuration diagram two of WCDMA mobile phone terminal embodiment of the present invention,
Radio frequency framework in this embodiment is basically identical with the mobile phone radio frequency framework shown in Fig. 2, and difference is to improve
Rf chip incorporate filter circuit, the signal that auxiliary reception system or diversity system receive
Needing not move through Filtering Processing, the signal processing module being directly entered rf chip carries out integration process
Filtration module within passing through the most again is filtered processing, and has saved the use of external filter, integrated
Change degree is higher.
It is more than two kinds of radio architectures of the mobile phone terminal of composite received, its objective is under idle condition
Bluetooth, WIFI, GPS system fully utilize, and integrate its antenna, reception system makes mobile phone
The auxiliary reception system of network service or composition diversity system, thus improve to the receiving ability of signal,
Improve message transmission rate, the reception system of mobile phone terminal is a kind of integration, improves and promote.
One of ordinary skill in the art will appreciate that all or part of step in said method can pass through program
Instructing related hardware to complete, said procedure can be stored in computer-readable recording medium, as read-only
Memorizer, disk or CD etc..Alternatively, all or part of step of above-described embodiment can also use
One or more integrated circuits realize.Correspondingly, each module/unit in above-described embodiment can use
The form of hardware realizes, it would however also be possible to employ the form of software function module realizes.The present invention is not restricted to appoint
The combination of the hardware and software of what particular form.
Above example is only in order to illustrate technical scheme and unrestricted, reference only to preferably implementing
The present invention has been described in detail by example.It will be understood by those within the art that, can be to this
Bright technical scheme is modified or equivalent, without deviating from spirit and the model of technical solution of the present invention
Enclose, all should contain in the middle of scope of the presently claimed invention.
Claims (10)
1. a RF transceiver, is applied in terminal, and described RF transceiver includes rf chip,
It is characterized in that, described terminal includes a main reception system and at least one auxiliary reception system, described master
Reception system includes the main antenna being sequentially connected with, main receiver module and described RF transceiver, described auxiliary connects
Receipts system includes the auxiliary antenna that is sequentially connected with and auxiliary receiver module, and described RF transceiver also includes:
Signal processing module, is connected with described rf chip, is used for synchronizing to receive described main reception mould
The signal that the auxiliary receiver module that block is corresponding with idle auxiliary antenna sends, the multiple signals synthesis that will receive
After one road signal, output is to described rf chip；
Described main reception system refers to the system corresponding with current signal to be received, at currently received signal
During for WCDMA WCDMA signal or CDMA CDMA signal, described main reception system
For WCDMA system；When currently received signal is Bluetooth signal, described main reception system is bluetooth
System, the Bluetooth system as main reception system receives Bluetooth signal by auxiliary reception system synchronization, auxiliary connects
Receipts system is the WCDMA system using time division technique.
RF transceiver the most according to claim 1, it is characterised in that:
Described auxiliary receiver module includes duplexer, match circuit and the wave filter being sequentially connected with, wherein:
Described match circuit, for mating the auxiliary antenna that described auxiliary receiver module is corresponding, to described wave filter
Transmit the described signal that described auxiliary antenna receives；
Described wave filter, the described signal for sending described match circuit exports to institute after being filtered
State signal processing module.
RF transceiver the most according to claim 2, it is characterised in that:
The signal received when described main antenna is WCDMA WCDMA signal or CDMA
During CDMA signal, described main receiver module include being positioned at described main antenna and described signal processing module it
Between duplexer and duplexer；Or
Described auxiliary reception system at least two, the signal received when described main antenna is except WCDMA believes
Number and CDMA signal outside signal time, described main receiver module includes being positioned at described main antenna and described
Duplexer between signal processing module and antenna-matching circuit.
4. a RF transceiver, is applied in terminal, and described RF transceiver includes rf chip,
It is characterized in that, described terminal includes a main reception system and at least one auxiliary reception system, described master
Reception system includes the main antenna being sequentially connected with, main receiver module and described RF transceiver, described auxiliary connects
Receipts system includes the auxiliary antenna that is sequentially connected with and auxiliary receiver module, and described RF transceiver also includes connecting successively
The signal processing module connect and filtration module, wherein:
Described signal processing module, is used for synchronizing to receive described main receiver module corresponding with idle auxiliary antenna
The signal that sends of auxiliary receiver module, the multiple signals received are synthesized after a road signal output to the most described
Filtration module；
Described filtration module, is connected with described rf chip, for defeated to described signal processing module
After the signal filtering gone out, output is to described rf chip；
Described main reception system refers to the system corresponding with current signal to be received, at currently received signal
During for WCDMA WCDMA signal or CDMA CDMA signal, described main reception system
For WCDMA system；When currently received signal is Bluetooth signal, described main reception system is bluetooth
System, the Bluetooth system as main reception system receives Bluetooth signal by auxiliary reception system synchronization, auxiliary connects
Receipts system is the WCDMA system using time division technique.
RF transceiver the most according to claim 4, it is characterised in that:
Described auxiliary receiver module includes duplexer and the match circuit being sequentially connected with, wherein:
Described match circuit, for mating the auxiliary antenna that described auxiliary receiver module is corresponding, to institute's signal processing
Module transmits the described signal that described auxiliary antenna receives.
RF transceiver the most according to claim 5, it is characterised in that:
The signal received when described main antenna is WCDMA WCDMA signal or CDMA
During CDMA signal, described main receiver module include being positioned at described main antenna and described signal processing module it
Between duplexer and duplexer；Or
Described auxiliary reception system at least two, the signal received when described main antenna is except WCDMA believes
Number and CDMA signal outside signal time, described main receiver module includes being positioned at described main antenna and described
Duplexer between signal processing module and antenna-matching circuit.
7. a terminal, it is characterised in that this terminal includes that a main reception system and at least one are auxiliary and connects
Receipts system, described main reception system includes the main antenna being sequentially connected with, main receiver module and RF transceiver,
Described auxiliary reception system includes auxiliary antenna and auxiliary receiver module, the employing of described RF transceiver being sequentially connected with
Be the RF transceiver as described in claim 1-3 any claim.
8. a terminal, it is characterised in that this terminal includes that a main reception system and at least one are auxiliary and connects
Receipts system, described main reception system includes the main antenna being sequentially connected with, main receiver module and RF transceiver,
Described auxiliary reception system includes auxiliary antenna and auxiliary receiver module, the employing of described RF transceiver being sequentially connected with
Be the RF transceiver as described in claim 4-6 any claim.
9. the method for a terminal received signals, it is characterised in that the method includes:
It is corresponding with idle auxiliary antenna that the RF transceiver of main reception system synchronizes to receive described main reception system
Auxiliary reception system send multiple signals；
Described RF transceiver exports to radio-frequency receiving-transmitting core after the multiple signals received are synthesized a road signal
Sheet；
Described main reception system refers to the system corresponding with current signal to be received, at currently received signal
During for WCDMA WCDMA signal or CDMA CDMA signal, described main reception system
For WCDMA system；When currently received signal is Bluetooth signal, described main reception system is bluetooth
System, the Bluetooth system as main reception system receives Bluetooth signal by auxiliary reception system synchronization, auxiliary connects
Receipts system is the WCDMA system using time division technique.
10. the method for a terminal received signals, it is characterised in that the method includes:
It is corresponding with idle auxiliary antenna that the RF transceiver of main reception system synchronizes to receive described main reception system
Auxiliary reception system send multiple signals；
The multiple signals received are synthesized a road signal, the signal filtering of Bing Duigai road by described RF transceiver
Rear output is to rf chip；
Described main reception system refers to the system corresponding with current signal to be received, at currently received signal
During for WCDMA WCDMA signal or CDMA CDMA signal, described main reception system
For WCDMA system；When currently received signal is Bluetooth signal, described main reception system is bluetooth
System, the Bluetooth system as main reception system receives Bluetooth signal by auxiliary reception system synchronization, auxiliary connects
Receipts system is the WCDMA system using time division technique.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110346133.0A CN102412858B (en) | 2011-11-04 | 2011-11-04 | The method of RF transceiver, terminal and terminal received signals |
| PCT/CN2012/075942 WO2013063922A1 (en) | 2011-11-04 | 2012-05-23 | Radio frequency transceiver, terminal, and signal receiving method of the terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110346133.0A CN102412858B (en) | 2011-11-04 | 2011-11-04 | The method of RF transceiver, terminal and terminal received signals |
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| CN102412858A CN102412858A (en) | 2012-04-11 |
| CN102412858B true CN102412858B (en) | 2016-08-24 |
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| WO (1) | WO2013063922A1 (en) |
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| US8543059B2 (en) * | 2009-10-29 | 2013-09-24 | Ralink Technology Corporation | Combo wireless system and method using the same |
| CN201733296U (en) * | 2010-05-05 | 2011-02-02 | 四川九洲电器集团有限责任公司 | M2M communicator |
| CN102412858B (en) * | 2011-11-04 | 2016-08-24 | 南京中兴软件有限责任公司 | The method of RF transceiver, terminal and terminal received signals |
-
2011
- 2011-11-04 CN CN201110346133.0A patent/CN102412858B/en active Active
-
2012
- 2012-05-23 WO PCT/CN2012/075942 patent/WO2013063922A1/en active Application Filing
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| Publication number | Publication date |
|---|---|
| WO2013063922A1 (en) | 2013-05-10 |
| CN102412858A (en) | 2012-04-11 |
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