Patents by Inventor Xiaobao Chen
Xiaobao Chen has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11962487Abstract: A method for configuring a user device to which a plurality of identifiers, each uniquely identifying the user in at least one communications network, is allocated. The method includes, for at least one application: obtaining at least one rule associating, with at least one flow of the application, at least one slice of the at least one communications network for routing data relating to the at least one flow and an item of information connecting the slice to an identifier from among the plurality of identifiers of the user; and configuring the user device with the at least one rule such that it executes the at least one rule when accessing the application.Type: GrantFiled: December 18, 2020Date of Patent: April 16, 2024Assignee: ORANGEInventors: Pierre-Alexandre Masson, Xiaobao Chen, Antoine Mouquet, Kevin Derval
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Patent number: 11945015Abstract: A semi-automatic adjustment device for suppressing tension fluctuations during a rolling process of an ultra-thin strip includes a semi-automatic tension regulator, a semi-automatic tuned mass damper of variable stiffness and damping, a coiler, a tension roller and a twenty-high roller system. The semi-automatic tension regulator is disposed between the coiler and the tension roller, the semi-automatic tuned mass damper of variable stiffness and damping is disposed between the tension roller and the twenty-high roller system. The semi-automatic adjustment device can be used to reduce a short-time fluctuation impact of tension during startup and shutdown of a twenty-high roll mill when the twenty-high rolling mill rolls an ultra-thin strip, improve system stability, absorb the continuous micro disturbances generated during the rolling process of the twenty-high roll mill, and achieve flexible and stable adjustment of tension during the rolling process.Type: GrantFiled: October 1, 2023Date of Patent: April 2, 2024Assignee: TAIYUAN UNIVERSITY OF TECHNOLOGYInventors: Zhongkai Ren, Tao Wang, Xiao Liu, Peng Chen, Xiaobao Ma, Yaxing Liu, Qi Zhang
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Patent number: 11571258Abstract: An artificial potential field path planning method and an apparatus based on obstacle classification solve the problem of path and motion uncertainty in steering a flexible needle in soft tissue. The apparatus includes an image sensing system, a control module, an execution system and an upper PC. Using the apparatus, the method includes: the image sensing system obtains real-time images of the puncture environment, identifies a target and obstacles from the real-time images, classifies the obstacles, and calculates total potential energy of points in the current environment based on artificial potential field. With a curvature constraint and an optimization index for the flexible needle, the path planning module carries out static path planning to obtain an initial path and the needle entry point, then conducts dynamic path planning to determine the path for steering the flexible needle in the soft tissue accordingly.Type: GrantFiled: April 21, 2020Date of Patent: February 7, 2023Assignees: BEIHANG UNIVERSITY, SHENZHEN FITCARE ELECTRONICS CO., LTD.Inventors: Hui Zhang, Zhi Qi, Yuedong Cao, Xiaobao Chen
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Publication number: 20230030528Abstract: A method for configuring a user device to which a plurality of identifiers, each uniquely identifying the user in at least one communications network, is allocated. The method includes, for at least one application: obtaining at least one rule associating, with at least one flow of the application, at least one slice of the at least one communications network for routing data relating to the at least one flow and an item of information connecting the slice to an identifier from among the plurality of identifiers of the user; and configuring the user device with the at least one rule such that it executes the at least one rule when accessing the application.Type: ApplicationFiled: December 18, 2020Publication date: February 2, 2023Inventors: Pierre-Alexandre Masson, Xiaobao Chen, Antoine Mouquet, Kevin Derval
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Publication number: 20230021843Abstract: Systems and methods for providing cybersecurity services by a network and for automating the provisioning of the cybersecurity services are disclosed. The system comprises a connection control function configured to receive a message in response to a request to establish a data connection from a user equipment (UE), the message including a requested CyberSecurity Control service identifier (CSC-ID) corresponding to a first security service of a plurality of security services. The CCF can interact with a cybersecurity control (CSC) function to determine, based on the requested CSC-ID, an allowed CSC-ID for the data connection, the allowed CSC-ID corresponding to a second security service of the plurality of security services; retrieve, based on the allowed CSC-ID, an operator security policy associated with the second security service. The CCF can then select and configure a network function in accordance with the retrieved operator security policy associated with the second security service.Type: ApplicationFiled: December 7, 2020Publication date: January 26, 2023Inventors: Xiaobao Chen, Christophe Naulleau
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Patent number: 11553411Abstract: A system and associated method for enabling end-to-end (E2E) network slicing in a 5G network are described. A (Radio) Access Network-Network Slice Selection Function ((R)AN-NSSF) can be configured to receive a (R)AN slice selection request and to select, from a pool of (R)AN slice instances, a (R)AN network slice instance including one or more (R)AN slice components. A Core Network-Network Slice Selection Function (CN-NSSF) can be configured to receive a CN slice selection request to select, from a pool of CN slice instances, a CN network slice instance including one or more CN slice components. A Network Slice Policy Control (NSPC) function can be configured to verify that the selected (R)AN slice instance and CN slice instance are consistent with operator policies.Type: GrantFiled: January 30, 2019Date of Patent: January 10, 2023Assignee: ORANGEInventors: Xiaobao Chen, Serge Raes
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Publication number: 20220386226Abstract: A method for controlling application access to network slicing service at a User Equipment (UE). The method includes: issuing an activation request for establishing network connectivity service for an application executing at the UE, the activation request including an application identifier of the application; determining a network slice for the application based on the activation request; performing a verification of the determined network slice, in accordance with network slicing operator policies; and upon successful verification of the determined network slice, creating a binding between the application identifier and the determined network slice.Type: ApplicationFiled: September 2, 2020Publication date: December 1, 2022Inventors: Xiaobao Chen, Philippe Lucas, Nick Sampson, Vladimir Renard, Pierre-Alexandre Masson
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Publication number: 20210219218Abstract: A system and associated method for enabling end-to-end (E2E) network slicing in a 5G network are described. A (Radio) Access Network-Network Slice Selection Function ((R)AN-NSSF) can be configured to receive a (R)AN slice selection request and to select, from a pool of (R)AN slice instances, a (R)AN network slice instance including one or more (R)AN slice components. A Core Network-Network Slice Selection Function (CN-NSSF) can be configured to receive a CN slice selection request to select, from a pool of CN slice instances, a CN network slice instance including one or more CN slice components. A Network Slice Policy Control (NSPC) function can be configured to verify that the selected (R)AN slice instance and CN slice instance are consistent with operator policies.Type: ApplicationFiled: January 30, 2019Publication date: July 15, 2021Inventors: Xiaobao Chen, Serge Raes
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Publication number: 20200330159Abstract: An artificial potential field path planning method and an apparatus based on obstacle classification solve the problem of path and motion uncertainty in steering a flexible needle in soft tissue. The apparatus includes an image sensing system, a control module, an execution system and an upper PC. Using the apparatus, the method includes: the image sensing system obtains real-time images of the puncture environment, identifies a target and obstacles from the real-time images, classifies the obstacles, and calculates total potential energy of points in the current environment based on artificial potential field. With a curvature constraint and an optimization index for the flexible needle, the path planning module carries out static path planning to obtain an initial path and the needle entry point, then conducts dynamic path planning to determine the path for steering the flexible needle in the soft tissue accordingly.Type: ApplicationFiled: April 21, 2020Publication date: October 22, 2020Inventors: Hui Zhang, Zhi Qi, Yuedong Cao, Xiaobao Chen
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Patent number: 10404604Abstract: A telecommunications system is operable to provide a facility for a communications session to a mobile node using an internet protocol. When changing affiliation from one of a first and second packet data network to the other of the first and second packet data network, a mobile node is operable to generate a service level identifier representing a requested priority to be afforded to the internet packets communicated to and from the mobile node with respect to other internet packets communicated to and from other nodes. The mobile node is also operable to generate a binding update internet packet providing a care of address of the mobile and an indication of the service level identifier in the binding update internet packet and to communicate the binding update internet data packets to a home agent of the mobile node.Type: GrantFiled: July 12, 2016Date of Patent: September 3, 2019Assignee: 3G Licensing S.A.Inventors: Xiaobao Chen, Philippe Lucas
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Patent number: 10103984Abstract: An internet packet comprises a header field, the header field including a field identifying a source address of the internet packet, a field identifying the destination address of the internet packet and a next header field identifying whether an extension header follows the header and a type of the extension header. The extension header indicates a hop-by-hop option header, the hop-by-hop extension header including a router alert option header type indicating that the extension field is optional for a router to read, and a field providing information for a gateway support node of a packet radio system network. A gateway support node is thereby provided with information, which may be required for example to support a mobile internet protocol (IP). However, by providing the router alert option field, a router is not required to read the remainder of the hop-by-hop option field.Type: GrantFiled: September 15, 2016Date of Patent: October 16, 2018Assignee: 3G Licensing S.A.Inventors: Xiaobao Chen, Martin Harris
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Patent number: 9949238Abstract: Apparatus for and methods of enabling a gateway node of a first packet-switched data network to select a first channel for transferring a tunnelled data packet to a destination packet data protocol address of a mobile node provided service in the first network are disclosed. The gateway node is configured to select the first channel from a plurality of channels configured to transfer data packets to the destination packet data protocol address of the mobile node, and the selection is performed by matching a packet data protocol address, associated with a data packet received by the gateway node, to one or more data packet filters associated with the plurality of channels.Type: GrantFiled: December 13, 2013Date of Patent: April 17, 2018Assignee: 3G Licensing S.A.Inventor: Xiaobao Chen
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Patent number: 9929952Abstract: Apparatus for and methods of enabling a gateway node of a first packet-switched data network to select a first channel for transferring a data packet to a destination packet data protocol address of a correspondent node provided service in the first network are disclosed. The gateway node is configured to select the first channel from a plurality of channels configured to transfer data packets to the destination packet data protocol address of the correspondent node, wherein the data packet is sent from a mobile node of a second packet-switched data network external to the first network, and wherein the mobile node has been in a communication session with the correspondent node while provided service in a third packet-switched data network different to the second network.Type: GrantFiled: November 13, 2014Date of Patent: March 27, 2018Assignee: ORANGE SAInventor: Xiaobao Chen
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Patent number: 9813940Abstract: A packet radio communications system communicates internet packets to and/or from mobile user equipment. The system comprises a core network comprising a plurality of packet data networks, each including network communications elements operable to communicate internet packets using an internet protocol transport plane, and a common gateway support node. The gateway support node is operable to route the internet packets via communications bearers established through the packet data networks using the network communications elements. The system includes a plurality of radio access networks connected by the internet protocol transport plane to the core network components of the packet data networks for communicating the internet protocol packets to and/or from the mobile user equipment. Each of the radio access networks is operable to provide radio access bearers for communicating the internet packets to and/or from the mobile user equipment.Type: GrantFiled: December 2, 2016Date of Patent: November 7, 2017Assignee: 3G Licensing S.A.Inventor: Xiaobao Chen
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Patent number: 9641999Abstract: In a MIPv6 network, a mobile home agent (MHA) in a foreign network (FN) acts as an intermediate node between a mobile node (MN) and a correspondent node (CN) and allocates itself a secondary care-of address (SCoA) different from the care-of address (CoA) of the mobile node (MN), with a one-to-one relationship between the secondary care-of address (SCoA) and the home address (HAddr) of the mobile node.Type: GrantFiled: July 16, 2012Date of Patent: May 2, 2017Assignee: 3G Licensing S.A.Inventor: Xiaobao Chen
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Patent number: 9615345Abstract: A telecommunications system is arranged to provide a facility for communicating data to and from a mobile node using an internet protocol. The system includes a first home access network, which includes a home gateway node, a second visited access network, which includes a visited serving gateway node, and a wireless access gateway operable to communicate data to and from the mobile node using the internet protocol. The mobile node is operable to communicate a binding update message to the visited serving gateway node of the second visited access network via the wireless access gateway using the internet protocol. The binding update message includes a unique identifier of the mobile node, and a request for an internet protocol address for the mobile node as if the mobile node were attached to the first home access network (home IP address). In one example the unique identifier is an International Mobile Subscriber Identity (IMSI) number or the like.Type: GrantFiled: June 26, 2008Date of Patent: April 4, 2017Assignee: 3G LICENSING S.A.Inventor: Xiaobao Chen
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Publication number: 20170086091Abstract: A packet radio communications system communicates internet packets to and/or from mobile user equipment. The system comprises a core network comprising a plurality of packet data networks, each including network communications elements operable to communicate internet packets using an internet protocol transport plane, and a common gateway support node. The gateway support node is operable to route the internet packets via communications bearers established through the packet data networks using the network communications elements. The system includes a plurality of radio access networks connected by the internet protocol transport plane to the core network components of the packet data networks for communicating the internet protocol packets to and/or from the mobile user equipment. Each of the radio access networks is operable to provide radio access bearers for communicating the internet packets to and/or from the mobile user equipment.Type: ApplicationFiled: December 2, 2016Publication date: March 23, 2017Inventor: Xiaobao Chen
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Publication number: 20170005927Abstract: An internet packet comprises a header field, the header field including a field identifying a source address of the internet packet, a field identifying the destination address of the internet packet and a next header field identifying whether an extension header follows the header and a type of the extension header. The extension header indicates a hop-by-hop option header, the hop-by-hop extension header including a router alert option header type indicating that the extension field is optional for a router to read, and a field providing information for a gateway support node of a packet radio system network. A gateway support node is thereby provided with information, which may be required for example to support a mobile internet protocol (IP). However, by providing the router alert option field, a router is not required to read the remainder of the hop-by-hop option field.Type: ApplicationFiled: September 15, 2016Publication date: January 5, 2017Inventors: Xiaobao Chen, Martin Harris
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Publication number: 20160323192Abstract: A telecommunications system is operable to provide a facility for a communications session to a mobile node using an internet protocol. When changing affiliation from one of a first and second packet data network to the other of the first and second packet data network, a mobile node is operable to generate a service level identifier representing a requested priority to be afforded to the internet packets communicated to and from the mobile node with respect to other internet packets communicated to and from other nodes. The mobile node is also operable to generate a binding update internet packet providing a care of address of the mobile and an indication of the service level identifier in the binding update internet packet and to communicate the binding update internet data packets to a home agent of the mobile node.Type: ApplicationFiled: July 12, 2016Publication date: November 3, 2016Inventors: Xiaobao Chen, Philippe Lucas
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Patent number: 9413681Abstract: A telecommunications system is operable to provide a facility for a communications session to a mobile node using an internet protocol. When changing affiliation from one of a first and second packet data network to the other of the first and second packet data network, a mobile node is operable to generate a service level identifier representing a requested priority to be afforded to the internet packets communicated to and from the mobile node with respect to other internet packets communicated to and from other nodes. The mobile node is also operable to generate a binding update internet packet providing a care of address of the mobile and an indication of the service level identifier in the binding update internet packet and to communicate the binding update internet data packets to a home agent of the mobile node.Type: GrantFiled: February 16, 2007Date of Patent: August 9, 2016Assignee: 3G Licensing S.A.Inventors: Xiaobao Chen, Philippe Lucas