CN102348222B - Fault weakening method and base station based on digital cluster system - Google Patents
Fault weakening method and base station based on digital cluster system Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
- H04W36/0033—Control or signalling for completing the hand-off for data sessions of end-to-end connection with transfer of context information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
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- H—ELECTRICITY
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Abstract
The invention relates to a fault weakening method and a base station based on a digital cluster system, wherein the method comprises the steps that: when a source base station detects that a source core network which is connected with the source base station fails to work, the source base station sends a request message to a target core network which is connected with a target base station through the target base station which is adjacent to the source base station; the target core network establishes a communication channel for the source base station according to the request message; a confirmation message that the target core network returns is received through the target base station; the user data of a source terminal is transmitted to the target core network through the target base station, and the target core network processes the user data of the source terminal; and the processed data information which is returned by the target core network through the target base station is received, and is sent to a target terminal group. With the adoption of the fault weakening method and the base station provided by the invention, the impact of the faults of the core network on a cluster communication system is minimized, and source terminal cluster users can be ensured to still normally communicate with the target terminal group thereof.
Description
Technical field
The present invention relates to wireless communication field, relate in particular to method and the base station of the fail soft processing based on digital cluster system in a kind of LTE (Long Term Evolution, Long Term Evolution) system.
Background technology
At present, trunked communication system is to develop in order to meet the demands such as industry user's command scheduling, and it is the private wireless communication system towards specific industry application.The main feature that trunked communication system is different from public's radio mobile communication system is, except providing the bidirectional call function of mobile phone, also can provide intrasystem group (group) to exhale, generally call, even set up call priority level, and can carry out the general not available communication of mobile phone such as priority level calling, urgent call; The specific function such as dynamic restructuring, the interior VPN of system also can be provided.These features are particularly suitable for the command scheduling needs such as police, state security department's private communication and airport, customs, public transport transport, rescue and relief work, so, trunked communication system in a government office, the field such as public safety, emergency communication, electric power, civil aviaton, petrochemical industry, army and enterprise has a wide range of applications, be a kind of multipurpose, dynamical wireless communication system, and formed the private wire network being independent of outside public mobile network all over the world.
In trunked communication system, a large amount of wireless users can share a small amount of wireless channel, therefore can fully save valuable Radio Resource, and channel utilization are high.
Trunked communication system is mainly taked half-duplex mode communication, obtaining and discharging by PoC (Push ToTalk) key control channel when work.In trunked communication system, broadband trunked communication system is mainly expanded broadband services type around " voice ", " data " and " video " three kinds of basic service modes, and the high bandwidth of LTE system is more conducive to realize above-mentioned business and activate business.
In prior art, trunked communication system is mainly by formations such as terminal, wireless broadband access system and network subsystems (network side), and terminal mainly comprises the formations such as handheld terminal, car-mounted terminal, fixed station, wireless dispatching desk and wired dispatching desk; Wireless broadband access system is mainly made up of base station; Network subsystem is mainly made up of core net.Similar with other wireless communication system, the communication mode in trunked communication system is all to communicate by the coordination between said network element.Because trunked communication system is used for military affairs, public safety and urgent emergency case etc., therefore require wireless broadband access system to there is higher fault-tolerant processing ability and redundancy backup ability, ensure when in the situation that network side (core net) breaks down, cluster user should still can communicate, the impact that network side fault is brought weakens as far as possible, and makes the risk that network failure brings drop to minimum.
And trunked communication system of the prior art, in the time that network side breaks down, but can not well weaken the impact that network side fault is brought.
Summary of the invention
Main purpose of the present invention is to provide a kind of method and base station of the fail soft processing based on digital cluster system, is intended in the time that core net breaks down, and Min. weakens the impact that core net fault is brought to trunked communication system, ensures that communication function is normal.
The present invention proposes a kind of method of the fail soft processing based on digital cluster system, comprising:
In the time that source base station detects that connected source core net breaks down, source base station is by the target BS being adjacent, sending request message to the target core network being connected with target BS, is that source base station is set up communication port by target core network according to described request message;
The acknowledge message of returning by target BS receiving target core net;
By target BS by source terminal user data transmission to target core network, by target core network, source terminal user data is processed;
The data message after treatment that receiving target core net is returned by target BS, and described data message after treatment is sent to target terminal group.
Preferably, described request message comprises: failure identification information, source base station mark and/or the first transparent vessel; Wherein, described the first transparent vessel comprises: terminal security and authentication information, terminal access bearer information, terminal contextual information and/or service bearer user plane data transfer information in the identify label of cluster group, cluster group temporary identity mark, cluster group and cluster group.
Preferably, described acknowledge message comprises: failure identification information, source base station mark and/or the second transparent vessel; Wherein, described the second transparent vessel comprises: the identify label of cluster group, cluster group temporary identity mark and/or service bearer user plane data transfer information.
Preferably, in the time that source base station detects that connected source core net breaks down, source base station is by the target BS being adjacent, sending request message to the target core network being connected with target BS, is that the step that source base station is set up communication port further comprises by target core network according to described request message:
When detecting connected core net, source base station breaks down, and receive after the user data of source terminal transmission, source base station is by the target BS being adjacent, sending request message to the target core network being connected with target BS, is that source base station is set up communication port by target core network according to described request message.
Preferably, described source base station is the grand WiMAX access base station in source, the micro-WiMAX access base station in source or source eNodeB.
The present invention proposes a kind of base station of the fail soft processing based on digital cluster system, comprising:
Sending module, for in the time detecting that the source core net being connected with described base station breaks down, by with the target BS of described base station adjacency, send request message to the target core network being connected with target BS, be that source base station is set up communication port by target core network according to described request message;
Receiver module, for the acknowledge message of returning by target BS receiving target core net;
Data transmission module, for by target BS by source terminal user data transmission to target core network, by target core network, source terminal user data is processed;
Receive sending module, the data message after treatment returning by target BS for receiving target core net, and described data message after treatment is sent to target terminal group.
Preferably, described request message comprises: failure identification information, source base station mark and/or the first transparent vessel; Wherein, described the first transparent vessel comprises: terminal security and authentication information, terminal access bearer information, terminal contextual information and/or service bearer user plane data transfer information in the identify label of cluster group, cluster group temporary identity mark, cluster group and cluster group.
Preferably, described acknowledge message comprises: failure identification information, source base station mark and/or the second transparent vessel; Wherein, described the second transparent vessel comprises: the identify label of cluster group, cluster group temporary identity mark and/or service bearer user plane data transfer information.
Preferably, described sending module is also for detecting that when source base station connected source core net breaks down, and receive after the user data of source terminal transmission, source base station is by the target BS being adjacent, sending request message to the target core network being connected with target BS, is that source base station is set up communication port by target core network according to described request message.
Preferably, described source base station is the grand WiMAX access base station in source, the micro-WiMAX access base station in source or source eNodeB.
The present invention proposes a kind of method and base station of the fail soft processing based on digital cluster system, in the time that source base station detects that connected source core net breaks down, by providing service with the target core network being connected in abutting connection with target BS of source base station for source base station, communicating by letter by target BS transparent transmission and forwarding between source base station and target core network, the impact that minimal reduction core net fault is brought to trunked communication system, ensures that source terminal cluster user still can carry out proper communication with its target terminal group.
Brief description of the drawings
Fig. 1 is the method one embodiment schematic flow sheet that the present invention is based on the fail soft processing of digital cluster system;
Fig. 2 is another embodiment schematic flow sheet of method that the present invention is based on the fail soft processing of digital cluster system;
Fig. 3 is the device one example structure schematic diagram that the present invention is based on the fail soft processing of digital cluster system.
In order to make technical scheme of the present invention clearer, clear, be described in further detail below in conjunction with accompanying drawing.
Embodiment
Solution for embodiment of the invention is mainly in the time that source base station detects that connected source core net breaks down, by providing service with the target core network being connected in abutting connection with target BS of source base station for source base station, between source base station and target core network communicate by letter by with target BS transparent transmission and the forwarding of source base station adjacency, ensure that source terminal cluster user still can carry out proper communication with its target terminal group.
As shown in Figure 1, one embodiment of the invention proposes a kind of method of the fail soft processing based on digital cluster system, comprising:
Step S101, in the time that source base station detects that connected source core net breaks down, source base station, by the target BS being adjacent, sends request message to the target core network being connected with target BS, is that source base station is set up communication port by target core network according to described request message;
The running environment of the present embodiment method comprises: the terminal (UE that initiates trunked call, UserEquipment), receiving terminal user data the base station (being wireless broadband access system of the prior art) that is connected with terminal wireless, and the core net (being network subsystem of the prior art) of serving with base station wired connection and for this base station.
In the present embodiment, in the time that source base station (the present embodiment claims the reception sources terminal use base station of data) detects that connected source core net breaks down, source base station sends the request message that requires to set up with the core net of target BS communication port to the target BS being adjacent, target BS receives after the request message of source base station transmission, be chosen as the target core network of its service, and above-mentioned request message be transmitted to the target core network of its selection.
Wherein, in above-mentioned request message, include but not limited to following a few class: failure identification information, source base station mark (can be source wireless broadband access system mark) and the first transparent vessel (not resolving this first transparent vessel in abutting connection with grand wireless broadband access system), wherein the content of the first transparent vessel includes but not limited to following a few class: the identify label of cluster group, cluster group temporary identity mark, terminal security and authentication information in cluster group and cluster group, terminal access bearer information, terminal contextual information and service bearer user plane data transfer information etc., service bearer user plane data transfer information in above-mentioned request message in the first transparent vessel comprises source base station address.
When target core network is received after this request message, target core network is carried out the processing of terminal contextual information, user's access bearer upgrades, and user face data Path Setup etc., then return to acknowledge message by target BS to source base station, this acknowledge message includes but not limited to following a few class: failure identification information, source base station mark and the second transparent vessel; Wherein, the second transparent vessel includes but not limited to following a few class: the identify label of cluster group, cluster group temporary identity mark and service bearer user plane data transfer information etc., the service bearer user plane data transfer information in above-mentioned acknowledge message in the second transparent vessel comprises target core network address.
Step S102, the acknowledge message of returning by target BS receiving target core net;
As mentioned above, the acknowledge message that source base station returns by target BS receiving target core net.
Step S103, by target BS by source terminal user data transmission to target core network, by target core network, source terminal user data is processed;
In the present embodiment, when source base station receives after the acknowledge message that target core network returns by target BS, now, initiate trunked call if there is source terminal, be that source base station is received the user data that source terminal sends, source base station transfers to the user data of receiving the core net being connected with target BS by the target BS being adjacent, and by target core network, user data is processed, and by target core network, data message after treatment is sent back to source base station by target BS.Wherein, target core network is processed the target terminal group who is included as source terminal and selects this source terminal trunked call to user data.
Step S104, the data message after treatment that receiving target core net is returned by target BS, and described data message after treatment is sent to target terminal group.
As mentioned above, the data message after treatment that source base station returns by target BS receiving target core net, afterwards, source base station is sent to data message after treatment the target terminal group of its trunked call.
By above-mentioned processing method, in the time breaking down for the core net of source base station service, can be that mode that source base station (source wireless broadband access system) is served ensures that terminal room and terminal communicate by letter with internetwork by the core net of target BS (the Target Wireless broadband access system of adjacency).
It should be noted that, in the present embodiment, source base station can be the grand WiMAX access base station in source, the micro-WiMAX access base station in source or source eNodeB (Evolved Node B, evolved base station), wherein, the target BS corresponding with the grand WiMAX access base station in source is target macro WiMAX access base station, the target BS corresponding with the micro-WiMAX access base station in source is the micro-WiMAX access base station of target, the target BS corresponding with source eNodeB is target eNode B, and the core net being connected with target eNode B is EPC (evolution block core net).
The present embodiment is in the time that source base station detects that connected source core net breaks down, by providing service with the target core network being connected in abutting connection with target BS of source base station for source base station, communicating by letter by target BS transparent transmission and forwarding between source base station and target core network, the impact that minimal reduction core net fault is brought to trunked communication system, ensures that source terminal cluster user still can carry out proper communication with its target terminal group.
As shown in Figure 2, another embodiment of the present invention proposes a kind of method of the fail soft processing based on digital cluster system, and on the basis of above-described embodiment, wherein step S101 further comprises:
Step S1011, when detecting connected core net, source base station breaks down, and receive after the user data of source terminal transmission, source base station is by the target BS being adjacent, sending request message to the target core network being connected with target BS, is that source base station is set up communication port by target core network according to described request message.
The difference of the present embodiment and above-described embodiment is, in the time that source base station detects that connected source core net breaks down, this source base station not sends request message to the target BS being adjacent immediately, but in the time existing source terminal to initiate trunked call, be source base station receive source terminal send user data time, send request message by source base station to the target BS being adjacent.Subsequent processes is same as the previously described embodiments, does not repeat them here.
As shown in Figure 3, one embodiment of the invention proposes a kind of base station of the fail soft processing based on digital cluster system, comprising:
Sending module 301, for in the time detecting that the source core net being connected with described base station breaks down, by with the target BS of described base station adjacency, send request message to the target core network being connected with target BS, be that source base station is set up communication port by target core network according to described request message;
Receiver module 302, for the acknowledge message of returning by target BS receiving target core net;
Data transmission module 303, for by target BS by source terminal user data transmission to target core network, by target core network, source terminal user data is processed;
Receive sending module 304, the data message after treatment returning by target BS for receiving target core net, and data message after treatment is sent to target terminal group.
The present embodiment base station is connected with the terminal wireless network of initiating trunked call, and receiving terminal is initiated user data when trunked call, the corresponding wireless broadband access system of the prior art in the present embodiment base station, core net (the being network subsystem of the prior art) wired connection of Yu Weigai base station, above-mentioned base station service.
In the present embodiment, in the time that base station detects that connected source core net breaks down, by sending module 301 to sending with the target BS of this base station adjacency the request message that requires to set up with the core net of target BS communication port, target BS receives after the request message of source base station transmission, be chosen as the target core network of its service, and above-mentioned request message be transmitted to the target core network of its selection.
Wherein, in above-mentioned request message, include but not limited to following a few class: failure identification information, source base station mark (can be source wireless broadband access system mark) and the first transparent vessel (not resolving this first transparent vessel in abutting connection with grand wireless broadband access system), wherein the content of the first transparent vessel includes but not limited to following a few class: the identify label of cluster group, cluster group temporary identity mark, terminal security and authentication information in cluster group and cluster group, terminal access bearer information, terminal contextual information and service bearer user plane data transfer information etc., service bearer user plane data transfer information in above-mentioned request message in the first transparent vessel comprises source base station address.
When target core network is received after this request message, target core network is carried out the processing of terminal contextual information, user's access bearer upgrades, and user face data Path Setup etc., then return to acknowledge message by target BS to source base station, this acknowledge message includes but not limited to following a few class: failure identification information, source base station mark and the second transparent vessel; Wherein, the second transparent vessel includes but not limited to following a few class: the identify label of cluster group, cluster group temporary identity mark and service bearer user plane data transfer information etc., the service bearer user plane data transfer information in above-mentioned acknowledge message in the second transparent vessel comprises target core network address.
When source base station receiver module 302 receives after the acknowledge message that target core network returns by target BS, now, initiate trunked call if there is source terminal, be that source base station is received the user data that source terminal sends, source base station data transmission module 303 transfers to the user data of receiving the core net being connected with target BS by the target BS being adjacent, by target core network, user data is processed, and by target core network, data message after treatment is sent back to source base station by target BS.Wherein, target core network is processed the target terminal group who is included as source terminal and selects this source terminal trunked call to user data.
Source base station receives the data message after treatment that sending module 304 returns by target BS receiving target core net, afterwards, data message after treatment is sent to the target terminal group of its trunked call.
It should be noted that, in the present embodiment, source base station can be the grand WiMAX access base station in source, the micro-WiMAX access base station in source or source eNodeB (Evolved Node B, evolved base station), wherein, the target BS corresponding with the grand WiMAX access base station in source is target macro WiMAX access base station, the target BS corresponding with the micro-WiMAX access base station in source is the micro-WiMAX access base station of target, the target BS corresponding with source eNodeB is target eNode B, and the core net being connected with target eNode B is EPC (evolution block core net).
Further, sending module 301 is also for detecting that when source base station connected source core net breaks down, and receive after the user data of source terminal transmission, source base station is by the target BS being adjacent, sending request message to the target core network being connected with target BS, is that source base station is set up communication port by target core network according to described request message.
The embodiment of the present invention is in the time that source base station detects that connected source core net breaks down, by providing service with the target core network being connected in abutting connection with target BS of source base station for source base station, communicating by letter by target BS transparent transmission and forwarding between source base station and target core network, the impact that minimal reduction core net fault is brought to trunked communication system, ensures that source terminal cluster user still can carry out proper communication with its target terminal group.
The foregoing is only the preferred embodiments of the present invention; not thereby limit the scope of the claims of the present invention; every equivalent structure or flow process conversion that utilizes specification of the present invention and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (8)
1. a method for the fail soft processing based on digital cluster system, is characterized in that, comprising:
In the time that source base station detects that connected source core net breaks down, source base station is by the target BS being adjacent, sending request message to the target core network being connected with target BS, is that source base station is set up communication port by target core network according to described request message; Described request message comprises: failure identification information, source base station mark and the first transparent vessel; Wherein, described the first transparent vessel comprises: terminal security and authentication information, terminal access bearer information, terminal contextual information and/or service bearer user plane data transfer information in the identify label of cluster group, cluster group temporary identity mark, cluster group and cluster group;
The acknowledge message of returning by target BS receiving target core net;
By target BS by source terminal user data transmission to target core network, by target core network, source terminal user data is processed;
The data message after treatment that receiving target core net is returned by target BS, and described data message after treatment is sent to target terminal group.
2. method according to claim 1, is characterized in that, described acknowledge message comprises: failure identification information, source base station mark and the second transparent vessel; Wherein, described the second transparent vessel comprises: the identify label of cluster group, cluster group temporary identity mark and/or service bearer user plane data transfer information.
3. according to the method described in any one in claim 1 to 2, it is characterized in that, in the time that source base station detects that connected source core net breaks down, source base station is by the target BS being adjacent, sending request message to the target core network being connected with target BS, is that the step that source base station is set up communication port further comprises by target core network according to described request message:
When detecting connected core net, source base station breaks down, and receive after the user data of source terminal transmission, source base station is by the target BS being adjacent, sending request message to the target core network being connected with target BS, is that source base station is set up communication port by target core network according to described request message.
4. method according to claim 3, is characterized in that, described source base station is the grand WiMAX access base station in source, the micro-WiMAX access base station in source or source evolution base station eNodeB.
5. a base station for the fail soft processing based on digital cluster system, is characterized in that, comprising:
Sending module, for in the time detecting that the source core net being connected with described base station breaks down, by with the target BS of described base station adjacency, send request message to the target core network being connected with target BS, be that source base station is set up communication port by target core network according to described request message; Described request message comprises: failure identification information, source base station mark and the first transparent vessel; Wherein, described the first transparent vessel comprises: terminal security and authentication information, terminal access bearer information, terminal contextual information and/or service bearer user plane data transfer information in the identify label of cluster group, cluster group temporary identity mark, cluster group and cluster group;
Receiver module, for the acknowledge message of returning by target BS receiving target core net;
Data transmission module, for by target BS by source terminal user data transmission to target core network, by target core network, source terminal user data is processed;
Receive sending module, the data message after treatment returning by target BS for receiving target core net, and described data message after treatment is sent to target terminal group.
6. base station according to claim 5, is characterized in that, described acknowledge message comprises: failure identification information, source base station mark and the second transparent vessel; Wherein, described the second transparent vessel comprises: the identify label of cluster group, cluster group temporary identity mark and/or service bearer user plane data transfer information.
7. according to the base station described in claim 5 or 6, it is characterized in that, described sending module is also for detecting that when source base station connected source core net breaks down, and receive after the user data of source terminal transmission, source base station is by the target BS being adjacent, sending request message to the target core network being connected with target BS, is that source base station is set up communication port by target core network according to described request message.
8. base station according to claim 7, is characterized in that, described source base station is the grand WiMAX access base station in source, the micro-WiMAX access base station in source or source eNodeB.
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| CN201010243989.0A CN102348222B (en) | 2010-08-03 | 2010-08-03 | Fault weakening method and base station based on digital cluster system |
| PCT/CN2011/072212 WO2012016444A1 (en) | 2010-08-03 | 2011-03-28 | Method and base station for failsoft processing based on digital trunked system |
| JP2013522072A JP2013537757A (en) | 2010-08-03 | 2011-03-28 | Processing method and base station for fail soft processing based on digital trunking system |
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| CN201010243989.0A CN102348222B (en) | 2010-08-03 | 2010-08-03 | Fault weakening method and base station based on digital cluster system |
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| CN1466274A (en) * | 2002-07-03 | 2004-01-07 | 华为技术有限公司 | Method for forwarding data and signaling |
| CN1835609A (en) * | 2005-03-17 | 2006-09-20 | 华为技术有限公司 | Fault reduction realizing method of cluster net communication |
| CN101127588A (en) * | 2007-10-11 | 2008-02-20 | 华为技术有限公司 | A failure processing method, system and device for wireless network controller |
| CN101212723A (en) * | 2006-12-27 | 2008-07-02 | 大唐移动通信设备有限公司 | Cluster network system and failure attenuation method on the basis of the network system |
| CN101562859A (en) * | 2008-04-15 | 2009-10-21 | 中兴通讯股份有限公司 | Method and terminal for realizing auto-switching of cluster terminal |
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| JP2000050359A (en) * | 1998-07-31 | 2000-02-18 | Nec Commun Syst Ltd | Portable telephone service system and method utilizing bts repeater function applied in an emergency |
| CA2572637C (en) * | 2004-07-06 | 2011-09-27 | Zte Corporation | Digital trunked communication network which supports roaming and method thereof |
| JP4444271B2 (en) * | 2006-12-21 | 2010-03-31 | 株式会社エヌ・ティ・ティ・ドコモ | PoC group communication system, communication terminal |
| CN101296424B (en) * | 2008-06-27 | 2012-05-16 | 中兴通讯股份有限公司 | Terminal processing method for mode conversion of digital cluster communication system |
| CN101404825B (en) * | 2008-11-13 | 2010-07-14 | 中兴通讯股份有限公司 | Method and system for processing service frame of base station side in fail-soft mode |
| ES2660191T3 (en) * | 2009-01-23 | 2018-03-21 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and arrangement in a communication network |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1466274A (en) * | 2002-07-03 | 2004-01-07 | 华为技术有限公司 | Method for forwarding data and signaling |
| CN1835609A (en) * | 2005-03-17 | 2006-09-20 | 华为技术有限公司 | Fault reduction realizing method of cluster net communication |
| CN101212723A (en) * | 2006-12-27 | 2008-07-02 | 大唐移动通信设备有限公司 | Cluster network system and failure attenuation method on the basis of the network system |
| CN101127588A (en) * | 2007-10-11 | 2008-02-20 | 华为技术有限公司 | A failure processing method, system and device for wireless network controller |
| CN101562859A (en) * | 2008-04-15 | 2009-10-21 | 中兴通讯股份有限公司 | Method and terminal for realizing auto-switching of cluster terminal |
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| WO2012016444A1 (en) | 2012-02-09 |
| JP2013537757A (en) | 2013-10-03 |
| CN102348222A (en) | 2012-02-08 |
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