WO2011079532A1 - 一种提供域间服务的方法和设备 - Google Patents
一种提供域间服务的方法和设备 Download PDFInfo
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- WO2011079532A1 WO2011079532A1 PCT/CN2010/070008 CN2010070008W WO2011079532A1 WO 2011079532 A1 WO2011079532 A1 WO 2011079532A1 CN 2010070008 W CN2010070008 W CN 2010070008W WO 2011079532 A1 WO2011079532 A1 WO 2011079532A1
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- user equipment
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/10—Architectures or entities
- H04L65/102—Gateways
- H04L65/1033—Signalling gateways
- H04L65/104—Signalling gateways in the network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/16—Arrangements for providing special services to substations
- H04L12/18—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast
- H04L12/189—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast in combination with wireless systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
- H04L65/61—Network streaming of media packets for supporting one-way streaming services, e.g. Internet radio
- H04L65/611—Network streaming of media packets for supporting one-way streaming services, e.g. Internet radio for multicast or broadcast
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/04—Large scale networks; Deep hierarchical networks
- H04W84/042—Public Land Mobile systems, e.g. cellular systems
- H04W84/045—Public Land Mobile systems, e.g. cellular systems using private Base Stations, e.g. femto Base Stations, home Node B
Definitions
- the present invention relates to network communications and, in particular, to a method, apparatus, system and corresponding computer program product for providing inter-domain services. Background technique
- FIG. 1 exemplarily shows an exemplary nanocell network architecture.
- the user equipment UE in the coverage of the home station router (HBSR) accesses the mobile core network through a fixed network backhaul.
- HBSR home station router
- a secure tunnel (such as an IPSec tunnel) is established between the HBSR and the femto gateway (Femto GW), and the tunnel starts from the HBSR, and the access network passes through the access network/aggregation network and the broadband network gateway (BNG). , Broadband Network Gateway), finally the nano gateway)
- BNG broadband network gateway
- the UE accesses the mobile core network through the tunnel.
- the HBSR In order to be able to provide a fixed network service, such as an IPTV service, to the UE within the coverage of the HBSR, the HBSR first subscribes to the relevant IPTV system of the fixed network, and pre-configures the information required to access the subscribed service in the HBSR. For example, before the HBSR is shipped, or when the HBSR is purchased.
- the UE When the UE wants to access the IPTV service in the fixed network, it accesses the IPTV system in the fixed network (for example, a network service provider (NSP) network) through the mobile core network via the HBSR.
- the fixed network (access/aggregation network, IP network, etc.) is Used as a transmission channel for backhauling traffic between a femtocell (e.g., HBSR) and a mobile core network.
- a femtocell e.g., HBSR
- the round-trip path is required to provide the IPTV service to be accessed to the user equipment, that is, the service is provided from the fixed network to the mobile core network, and then through the tunnel established between the Femto gateway and the HBSR, by the mobile core.
- the network provides the service to the user equipment via a backhaul of the fixed network.
- the scheme for providing inter-domain services shown in Figure 1 is less efficient. First, it wastes the bandwidth of the mobile core network and the fixed network. Even in the case where it consumes excessive bandwidth, the mobile core network has to prohibit the provision of the inter-domain service to the user equipment. Second, it also creates unnecessary workload for the mobile core network, especially the Femto gateway at the edge of the mobile core network, because it is responsible for encapsulating the inter-domain service into, for example, an IPSec tunnel before it is passed back to the HBSR. Moreover, since the unicast IP tunnel is used for backhaul, the multicast of the IPTV service to multiple HBSRs cannot be supported. This indicates that the current solution cannot meet the demand for providing large-scale IPTV services across mobile domains to mobile users.
- the present invention is directed to solving or at least alleviating one or more of the above problems.
- a method for providing an inter-domain service comprising: a user equipment agent subscribing a service provided by at least one other domain from a domain to which it belongs;
- the user equipment agent obtains information for accessing the subscribed service from its own domain; according to the obtained information, the user equipment agent accesses the subscribed service directly through the at least one other domain without going through the domain to which it belongs.
- the domain belongs to the mobile network domain, the other domains are fixed network domains, and the user equipment agent is a femtocell node.
- the service is at least one of a network television (IPTV), an email service, a network shopping service, and an internet related service.
- IPTV network television
- email service email service
- network shopping service a network shopping service
- internet related service an internet related service
- a service level agreement is established between the domain to which the user equipment agent belongs and other domains.
- the information used to access the service includes verification information.
- the verification information includes at least one of an identifier of a service subscribed by the user equipment agent, a user ID (User ID) used by the user equipment agent to access the subscribed service, and a certificate (Credential).
- the user equipment agent unicasts or multicasts the subscribed service to the at least one user device based on the request of the user device or based on the need.
- the service from its proxy device is received after the user equipment obtains the relevant network resources.
- the domain to which it belongs is automatically loaded with information for accessing the subscribed service.
- an apparatus for providing an inter-domain service comprising: a service subscription unit, configured to subscribe to a service provided by at least one other domain from a domain to which it belongs; an information acquisition unit, from which it belongs The domain obtains information for accessing the service;
- a service access unit configured to access the subscribed service directly through the at least one other domain without passing through the domain to which it belongs according to the obtained information.
- the service access unit unicasts or multicasts the subscribed service to at least one user equipment based on a request of the user equipment.
- the information obtaining unit is automatically loaded with information for accessing the subscribed service.
- the device is a femtocell node.
- an apparatus for providing an inter-domain service including: a service subscription unit, configured to subscribe to a service provided by at least one other domain and obtain information required to access the service;
- An information providing unit configured to provide information for accessing the corresponding service to a user equipment agent in a domain to which the network node that subscribes to the corresponding service belongs, so that the user equipment agent directly accesses the at least one other domain without going through the domain to which the user equipment belongs The service that is subscribed to.
- the information providing unit automatically provides the information to the user equipment agent.
- a system for providing inter-domain services comprising the apparatus as described above.
- a computer program product comprising program code for performing the aforementioned method, apparatus or system.
- a method for providing information for accessing a service for access to a cross-domain service including:
- the user equipment agent subscribes to the service provided by at least one other domain from its own domain; loads the user equipment agent with information for accessing the service to which it subscribes.
- the user equipment agent passes the authentication of the domain to which it belongs, the user equipment agent is automatically loaded with information for accessing the service to which it subscribes.
- the user equipment agent is loaded with information accessing the service to which it is subscribed before the user equipment agent is produced or sold.
- the user equipment agent can authenticate the service directly with other domains to access the services it subscribes to.
- the information is loaded by a network node within the domain to which the user equipment agent belongs, such as a device, server, HLR/AAA server or the like that manages user profile information.
- a network node within the domain to which the user equipment agent belongs, such as a device, server, HLR/AAA server or the like that manages user profile information.
- the user equipment agent may access the service provided by the domain directly through the at least one other domain according to the acquired information according to the acquired information.
- the information includes verification information.
- the verification information is generated by the other domain providing the service, and is generated with the user equipment The domain to which it belongs is associated.
- the verification information is related to a domain to which the user equipment agent belongs, and is not associated with the user equipment agent. Specifically, the verification information is generated by the other domain based on the user equipment agent's subscription to the service from its domain, and is provided to the domain to which the user equipment agent belongs.
- an apparatus for providing access to a service for accessing a cross-domain service includes:
- a service subscription providing unit configured to subscribe to a service provided by at least one other domain and obtain information for accessing the service
- an information providing unit configured to load, to the user equipment agent, information for accessing a service subscribed to by the user equipment.
- the information providing unit automatically loads the user equipment agent with information for accessing the service to which it subscribes.
- the information providing unit loads information on the service to which it subscribes before the user equipment agent is produced or sold.
- the user equipment agent can directly authenticate the service with other domains in order to access the service to which it subscribes.
- the service subscription providing unit is included in an operation support system.
- the information providing unit is included in any one of the following: a gateway, a femtocell gateway in a mobile network domain, a user management device, a nanocellular management system/platform.
- the service subscription providing unit subscribes to the service based on a request of the user equipment agent, or subscribes to the service based on statistical data.
- the statistical data is, for example, the extent to which the service is welcomed/received by the user equipment as reflected by parameters such as the frequency and number of times the service is accessed.
- the authentication is performed by a gateway, preferably a femtocell gateway in the mobile network domain.
- an apparatus for accessing a cross-domain service including: a service subscription unit, configured to subscribe to a service provided by at least one other domain from a domain to which it belongs;
- the information obtaining unit after being authenticated by its own domain, is automatically loaded with information for the device to access the service to which it subscribes.
- it further includes a service access unit for performing authentication of the service directly with other domains to access the service subscribed to by the loaded information for accessing the service to which it subscribes.
- the device may access the service provided by the domain directly through the at least one other domain without going through the domain according to the acquired information.
- the device is a femtocell base station.
- a system for providing access to a cross-domain service comprising any of the aforementioned devices.
- a computer program product comprising program code for performing the aforementioned method, apparatus, network node or system.
- the present invention provides an efficient solution for providing inter-domain services to related user devices.
- the IPTV service, the Internet service, and the like in the fixed network are provided to the mobile network, preferably the user equipment under the Femtocell architecture.
- the burden on the network in the existing implementation mode is alleviated, which not only enriches the services that the user can access, but also expands the scope of service provision.
- FIG. 1 exemplarily shows a network architecture of a femtocell
- FIG. 2 exemplarily shows a network architecture in which an exemplary embodiment according to the present invention is applicable;
- FIG. 3 exemplarily shows a structure of a femtocell base station according to an exemplary embodiment of the present invention;
- FIG. 4 exemplarily shows A structure of a network element (OSS, Operation Support System) in a mobile network according to an exemplary embodiment of the present invention;
- OSS Operation Support System
- FIG. 5 exemplarily shows a flowchart of a method for a user agent device to access an inter-domain service according to an exemplary embodiment of the present invention
- FIG. 6 exemplarily shows a flow chart of a method for a user equipment to access an inter-domain service through its user equipment agent, according to an exemplary embodiment of the present invention.
- the present invention provides a solution for providing inter-domain services.
- the IPTV service and the Femtocell network architecture will be described as an example.
- the present invention is not limited thereto and can be applied to any inter-domain service.
- a network domain refers to a network area managed by a different carrier or service provider. Therefore, it is apparent that the present invention can be applied to any other network domain in addition to the mobile network and the fixed network, thereby providing users with inter-domain services.
- a fixed carrier composes an IPTV service (IPTV channel identifier, service digest or cartridge, etc.) that can be provided to a mobile user, and provides it to Mobile operators.
- IPTV service provider IPTV channel identifier, service digest or cartridge, etc.
- the HBSR within the mobile network can subscribe to the relevant IPTV service from its mobile operator and obtain information for accessing the subscribed service, such as service authentication information, an introduction to the subscribed IPTV service, and the like.
- the user equipment UE in the coverage of the HBSR wants to access an IPTV service subscribed by the HBSR, it may send a request to the HBSR, and bypass the HBSR as a proxy to bypass the mobile core network as shown in FIG. Access the IPTV service directly through a fixed network.
- the HBSR can use the acquired information for accessing the subscribed service to access the IPTV system in the NSP network, and then transmit the corresponding Ji task to the UE.
- FIG. 3 exemplarily shows a structure of a femtocell base station (HHRSR) according to an exemplary embodiment of the present invention.
- HHRSR femtocell base station
- the service subscription unit is configured to subscribe to a service provided by at least one other domain (for example, a fixed network) from a network domain (for example, a mobile network) to which the HBSR belongs;
- the information acquiring unit is configured to acquire, for accessing, a location from the mobile network.
- the service access unit is configured to access the subscribed service directly through the fixed network without going through the mobile network according to the obtained information.
- the service access unit may access the requested IPTV service upon receiving a request from the UE.
- the service subscription unit may obtain introduction information about the IPTV service from the mobile network, and provide the information to the user to subscribe to the IPTV service according to the user's preference.
- the service access unit may also apply for the radio resource of the domain (for example, the mobile network) to which the UE belongs when receiving the request for accessing the service of the UE, so as to access the requested service.
- FIG. 4 exemplarily shows the structure of a device in a mobile core network according to an exemplary embodiment of the present invention.
- the device includes a service subscription providing unit and an information providing unit.
- the service subscription providing unit accepts the subscription of the IPTV service by the HBSR in the mobile network on the one hand, and subscribes to the service in the IPTV system in the fixed network on the other hand, and acquires information for accessing the subscribed service.
- the fixed network may send the IPTV service that can be provided to the mobile user to the service subscription providing unit to facilitate the selective subscription, or the service subscription providing unit may subscribe to the service of the corresponding IPTV system based on the need.
- the service subscription providing unit can subscribe to the service provided by the IPTV system based on the needs of the HBSR for the service, such as the selection of the HBSR by receiving/browsing the subscribeable service.
- the service subscription providing unit may first subscribe to the service, and then provide/display the subscribed service to the HBSR, so that the HBSR subscribes to the service.
- the service subscription providing unit can also subscribe to the additional IPTV service based on the needs of the user.
- the information providing unit is configured to provide the obtained information for accessing the service subscribed by the HBSR to the HBSR subscribed to the corresponding service, so that the HBSR can directly access the IPTV service through the fixed network without going through the mobile network.
- the information providing unit may provide authentication information required for the HBSR to access the IPTV service, and may also provide introduction information about the IPTV service, and if necessary, may provide information about the preference of the user equipment, the record of accessing the IPTV service, or statistical information.
- the device may be implemented as an OSS (Operation Support System), in which case the information providing unit may be via one of other devices in the network, such as an HLR, an FMS, a femtocell gateway, and the like. Or multiple to provide the information.
- the service subscription providing unit can be implemented in the OSS, and the information providing unit is implemented in the HLR, FMS, nano gateway and other network devices.
- FIG. 5 exemplarily shows a flow chart of a method for a user agent device to access a service between different domains according to an exemplary embodiment of the present invention.
- the HBSR acts as a proxy for the UE to access the IPTV service.
- the fixed network provides information about the IPTV service available to the mobile network user to the mobile network, for example, to the OSS in the mobile network by the OSS in the fixed network. Specifically, it can be provided to the service subscription providing unit shown in FIG. 3 in the OSS.
- the HBSR can subscribe to the IPTV service.
- the service subscription providing unit first notifies the other party in the fixed management domain that the OSS in the fixed network has a subscription to the IPTV service, for example, sends an "IPTV service subscription request".
- the OSS in the fixed network domain creates an associated user profile for the new subscription (specifically, in this example may be an IPTV cartridge), which may include the identity of the subscribed IPTV service, the user identification Optionally, any combination of information such as a service certificate, a user's level, QoS, and the like may also be included, and then the user profile is returned to the service subscription providing unit in the mobile network domain.
- the OSS also provides the created user profile to the IPTV system for use in accessing the IPTV system.
- the information providing unit in the OSS provides the obtained user profile information to the HBSR (if the above-mentioned service subscription providing unit and the information providing unit are located at different positions, that is, the above two units are separated , the information may be provided to the information providing unit by the service subscription providing unit in the process.
- the user profile information is stored in the HLR (step 506).
- the HBSR performs the mobile network's connection to connect to the mobile network (step 507)
- the mobile network checks whether the HBSR is subscribed to the IPTV J! service, and if subscribed to the IPTV J!
- the FMS Femto Management System, which is responsible for the HBSR configuration
- the FMS provides the relevant user profile to the HBSR (step 508).
- the user profile information is first stored in the FMS and then provided to the HBSR, or It is provided directly to the HBSR.
- the FMS reuses the automatic configuration process (for example, using the client device WAN Management Protocol defined in the Broadband Forum TR-069) to configure the IPTV service subscribed by the HBSR. For example, the access of the IPTV service, the loading of the IPTV authentication information to the HBSR, and the like for accessing the subscribed service.
- step 509 based on the obtained information, the HBSR attempts to access the IPTV service, specifically, to connect to the IPTV system and perform the relevant quotation.
- the HBSR serves as a proxy for the user equipment to access the subscribed IPTV service.
- step 503 of the above method since the OSS in the mobile network hides the information of the HBS from the OSS in its fixed network, the user information in the mobile network is hidden from the fixed network, so that the information in the mobile network is compared. Good protection.
- steps 506-508, which proposes a new method of providing a user equipment agent HBSR with a user profile required to access the IPTV service. That is, each time the HBSR passes through the mobile network, the information providing unit can automatically provide the user profile to the HBSR according to the HBSR service subscription situation.
- the advantage of this is that the file information held by the HBSR can be updated in time based on the change of the subscription information, thereby providing a more convenient service for the user equipment.
- step 506 may be omitted as the network is deployed, and in step 508, information is provided directly to the HBSR by the information providing unit in the OSS; or step 507 may be placed before step 506, and so on.
- steps 506-508 above are not necessary for providing a solution for inter-domain services.
- it is not a flexible subscription based on HBSR, or it does not automatically load information for accessing the service it subscribes to after the HBSR passes the authentication of its domain, but for example, before the HBSR leaves the factory or when it is sold, it is passed.
- the user profile of the service related to the OSS subscription of the mobile network is configured in the HBSR.
- the HBSR can perform the verification process with the IPTV system by using the configured information when needed, without performing the operations of the above steps 506-508.
- FIG. 6 exemplarily shows a flow chart of a method for a user equipment to access an inter-domain service through its proxy device, according to an exemplary embodiment of the present invention.
- step 601 the user equipment is connected to the HBSR.
- the user equipment can access the domain network through the authentication of the domain to which it belongs).
- the UE may also actively request the HBSR to subscribe to an IPTV service, and the HBSR acts as a proxy to subscribe to the IPTV service provided by the fixed network from the OSS in the mobile network.
- a request can be made to the mobile network through the HBSR to create a Radio Access Bearer (RAB) for accessing the IPTV service on the HBSR.
- RAB Radio Access Bearer
- the IPTV client on the UE performs an EPG acquisition process with the virtual set top box in the HBSR, and in step 604 sends a request to access the IPTV media.
- the HBSR in turn issues a request to the IPTV system to access the IPTV media (step 605), and then receives the media stream from the IPTV system (step 606) and forwards it to the UE (step 607).
- the UE is configured with an IPTV client to access the IPTV service.
- the HBSR is configured with a virtual set top box.
- the above virtual set top box is not necessary for HBSR as long as the HBSR can distinguish the service and provide the service to the corresponding user equipment.
- FIG. 6 A scheme in which the HBSR accesses the IPTV service based on the request of the UE and forwards the IPTV media stream to the UE in real time is shown in FIG. 6.
- the HBSR may also access and store the IPTV service in advance, and then notify the UE based on the UE's request or when needed to provide relevant information to the user equipment.
- the information provided by the HBSR can be either unicast or multicast, broadcast, or the like. It can be seen that those skilled in the art can flexibly modify, delete or merge the steps shown in FIG. 6.
- a service level agreement is established between the mobile network and the fixed network to better provide the fixed network deployed IPTV service to the mobile network's femtocell users.
- SLA service level agreement
- Figures 5 and 6 show a mobile core network including network elements such as Femto Gateway, FMS, HLR/AAA, OSS. SGSN, GGSN, and the like.
- network elements such as Femto Gateway, FMS, HLR/AAA, OSS. SGSN, GGSN, and the like.
- the above described network environment is exemplary. Depending on the network environment, the specific application needs, and the specifications/standards/protocols on which the application is based, it may have a different structure. Whether it is an existing network environment, With the future network environment of the network, the solution of the present invention is still applicable as long as it does not violate the spirit of the present invention.
- the above provides a scheme for directly providing an IPTV service originating from a fixed network to a femtocell without going through (circumventing) the mobile core network.
- the HBSR is like an IPTV system in a mobile network for users in its coverage, and it is like a set-top box for accessing an IPTV service for an IPTV system in a fixed network.
- the HBSR subscribes to the service in the fixed network from the mobile network and automatically loads the information for accessing the service to the HBSR, the user information in the mobile network is well hidden for the fixed network.
- IPTV is exemplified above as an example of inter-domain services across a typical administrative domain
- those skilled in the art will readily appreciate that the present invention is also applicable to providing various domains such as email services, online shopping services, Internet-related services, and the like. Service.
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Abstract
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Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
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CN2010800525368A CN102668478A (zh) | 2010-01-04 | 2010-01-04 | 一种提供域间服务的方法和设备 |
JP2012546312A JP5600357B2 (ja) | 2010-01-04 | 2010-01-04 | ドメイン間サービスを提供するための方法および装置 |
US13/520,303 US20130051280A1 (en) | 2010-01-04 | 2010-01-04 | Method and apparatus for providing inter-domain service |
PCT/CN2010/070008 WO2011079532A1 (zh) | 2010-01-04 | 2010-01-04 | 一种提供域间服务的方法和设备 |
EP10840322.1A EP2523409A4 (en) | 2010-01-04 | 2010-01-04 | Method and device for providing inter-domain service |
KR1020127020489A KR101441216B1 (ko) | 2010-01-04 | 2010-01-04 | 도메인간 서비스를 제공하는 방법 및 장치 |
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PCT/CN2010/070008 WO2011079532A1 (zh) | 2010-01-04 | 2010-01-04 | 一种提供域间服务的方法和设备 |
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US (1) | US20130051280A1 (zh) |
EP (1) | EP2523409A4 (zh) |
JP (1) | JP5600357B2 (zh) |
KR (1) | KR101441216B1 (zh) |
CN (1) | CN102668478A (zh) |
WO (1) | WO2011079532A1 (zh) |
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KR101706630B1 (ko) * | 2010-09-09 | 2017-02-28 | 주식회사 케이티 | 복수의 단말기로 콘텐츠를 제공하는 방법, 장치 및 시스템 |
US8737209B2 (en) * | 2011-02-13 | 2014-05-27 | Ascom Network Testing Inc. | System and method for determining effects of non-network elements on the subscriber experience in a mobile network |
EP2709006A1 (en) * | 2012-09-14 | 2014-03-19 | Alcatel Lucent | Peripheral interface for residential IaaS |
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- 2010-01-04 EP EP10840322.1A patent/EP2523409A4/en not_active Withdrawn
- 2010-01-04 WO PCT/CN2010/070008 patent/WO2011079532A1/zh active Application Filing
- 2010-01-04 CN CN2010800525368A patent/CN102668478A/zh active Pending
- 2010-01-04 US US13/520,303 patent/US20130051280A1/en not_active Abandoned
- 2010-01-04 JP JP2012546312A patent/JP5600357B2/ja not_active Expired - Fee Related
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Also Published As
Publication number | Publication date |
---|---|
EP2523409A4 (en) | 2017-08-30 |
EP2523409A1 (en) | 2012-11-14 |
CN102668478A (zh) | 2012-09-12 |
KR20120103736A (ko) | 2012-09-19 |
US20130051280A1 (en) | 2013-02-28 |
JP2013516801A (ja) | 2013-05-13 |
KR101441216B1 (ko) | 2014-09-17 |
JP5600357B2 (ja) | 2014-10-01 |
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