Patents by Inventor Shufeng Shi

Shufeng Shi 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).

  • Patent number: 10142376
    Abstract: Embodiments of the present invention disclose a method, a related apparatus, and a system for recovering a called service of a terminal. The method includes: when a called request of a user terminal is received, querying an initial proxy-call session control function (P-CSCF) entity with which the user terminal currently registers; if it is detected that the initial P-CSCF is faulty, selecting an available P-CSCF and sending, to the available P-CSCF, a notification message that carries a redundancy identifier, where the redundancy identifier is used to instruct the available P-CSCF to trigger the user terminal to re-register with the P-CSCF; and when a registration complete message sent by the P-CSCF with which the user terminal re-registers is received, delivering the called request to the re-registered P-CSCF to bear a called service of the user terminal.
    Type: Grant
    Filed: November 30, 2017
    Date of Patent: November 27, 2018
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: He Li, Jinzhou Ye, Ridong Xu, Biao Zhang, Shufeng Shi, Boqiang Luo
  • Publication number: 20180091971
    Abstract: A method, apparatus, and system for disaster recovery of an Internet Protocol (IP) Multimedia Subsystem (IMS), where the method includes triggering a redundant Call Session Control Function (CSCF), obtaining, by the redundant CSCF, user backup data of registered IMS Private User Identities (IMPIs) that are associated with IMPUs and user service configuration data of IMS Public User Identities (IMPUs) in an IMS subscription from a network storage entity of a user; and recovering, by the redundant CSCF, a corresponding service according to the obtained user backup data of the registered IMPIs and user service configuration data of the IMPUs in the IMS subscription. Hence, the one-IMPU multi-IMPI, one-IMPI multi-IMPU, or multi-IMPI multi-IMPU service can be recovered, and this enables the user to have better service continuity experiences.
    Type: Application
    Filed: December 4, 2017
    Publication date: March 29, 2018
    Inventors: Feng Liang, Linfei Shen, Shufeng Shi
  • Publication number: 20180091562
    Abstract: Embodiments of the present invention disclose a method, a related apparatus, and a system for recovering a called service of a terminal. The method includes: when a called request of a user terminal is received, querying an initial proxy-call session control function (P-CSCF) entity with which the user terminal currently registers; if it is detected that the initial P-CSCF is faulty, selecting an available P-CSCF and sending, to the available P-CSCF, a notification message that carries a redundancy identifier, where the redundancy identifier is used to instruct the available P-CSCF to trigger the user terminal to re-register with the P-CSCF; and when a registration complete message sent by the P-CSCF with which the user terminal re-registers is received, delivering the called request to the re-registered P-CSCF to bear a called service of the user terminal.
    Type: Application
    Filed: November 30, 2017
    Publication date: March 29, 2018
    Inventors: He LI, Jinzhou YE, Ridong XU, Biao ZHANG, Shufeng SHI, Boqiang LUO
  • Patent number: 9906941
    Abstract: The embodiments of the present application provide a method for sending user subscription data, a method for receiving user subscription data, an HSS, and an SGSN. After receiving a request from an SGSN, the HSS determines whether the user subscription data includes CAMEL service data. If the user subscription data includes the CAMEL service data, the HSS sends the user subscription data to the SGSN by using a Gr interface, or sends non-CAMEL service data in the user subscription data by using the S6d interface and sends the CAMEL service data in the user subscription data by using a Gr interface to the SGSN.
    Type: Grant
    Filed: April 14, 2016
    Date of Patent: February 27, 2018
    Assignee: Huawei Technologies Co., Ltd.
    Inventor: Shufeng Shi
  • Patent number: 9894110
    Abstract: Embodiments of the present invention disclose a method, a related apparatus, and a system for recovering a called service of a terminal. The method includes: when a called request of a user terminal is received, querying an initial proxy-call session control function (P-CSCF) entity with which the user terminal currently registers; if it is detected that the initial P-CSCF is faulty, selecting an available P-CSCF and sending, to the available P-CSCF, a notification message that carries a redundancy identifier, where the redundancy identifier is used to instruct the available P-CSCF to trigger the user terminal to re-register with the P-CSCF; and when a registration complete message sent by the P-CSCF with which the user terminal re-registers is received, delivering the called request to the re-registered P-CSCF to bear a called service of the user terminal.
    Type: Grant
    Filed: February 3, 2016
    Date of Patent: February 13, 2018
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: He Li, Jinzhou Ye, Ridong Xu, Biao Zhang, Shufeng Shi, Boqiang Luo
  • Patent number: 9883372
    Abstract: The present invention provides a method, a subscriber server and a mobility management entity for determining a serving node of a short message service. After receiving a location update request sent by an MME, an HSS/HLR determines services subscribed to by a subscriber. When determining that the subscriber has not subscribed to a CS domain service or there is only an SMS service in CS domain services subscribed to by the subscriber, the HSS/HLR registers the MME as a serving node that provides the SMS service for the subscriber.
    Type: Grant
    Filed: February 6, 2015
    Date of Patent: January 30, 2018
    Assignee: Huawei Technologies Co., Ltd
    Inventors: Shufeng Shi, Yanping Zhang
  • Patent number: 9883380
    Abstract: A method, apparatus, and system for disaster recovery of an IP Multimedia Subsystem (IMS) are provided. The method includes: triggering a redundant Call Session Control Function (CSCF); obtaining, by the redundant CSCF, user backup data of registered IMS Private User Identities (IMPIs) that are associated with IMPUs and user service configuration data of IMS Public User Identities (IMPUs) in an IMS subscription from a network storage entity of a user; and recovering, by the redundant CSCF, a corresponding service according to the obtained user backup data of the registered IMPIs and user service configuration data of the IMPUs in the IMS subscription. With the present invention, the one-IMPU multi-IMPI, one-IMPI multi-IMPU, or multi-IMPI multi-IMPU service can be recovered, and this enables the user to have better service continuity experiences.
    Type: Grant
    Filed: March 20, 2017
    Date of Patent: January 30, 2018
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Feng Liang, Linfei Shen, Shufeng Shi
  • Publication number: 20180007586
    Abstract: Embodiments of the present disclosure disclose a service processing method, a PCRF, and a system.
    Type: Application
    Filed: September 14, 2017
    Publication date: January 4, 2018
    Inventors: Xiaoyan Wang, Shufeng Shi
  • Patent number: 9800563
    Abstract: Embodiments of the present invention provide a method and a device for processing a data security channel of a tunnel, where the method includes: receiving an authentication and authorization request of an access side, and determining a trust relationship of access of a user equipment; and when an S6b interface session of the user equipment exists, sending a message including information about the trust relationship of the access of the user equipment to a packet data gateway, so that the packet data gateway establishes or updates a data security channel of an S2c tunnel according to the information about the trust relationship.
    Type: Grant
    Filed: May 5, 2014
    Date of Patent: October 24, 2017
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Huan Li, Shufeng Shi
  • Patent number: 9756500
    Abstract: A service processing method and related devices are disclosed. The method includes: receiving, by a mobility management entity (MME), an access request message from a user equipment; determining, by the MME, whether the access request message from the user equipment is an attach message or a tracking area update request message; and if the MME has been registered as a short message serving node of the user equipment in a home subscriber server (HSS) and it is determined that the access request message is the attach message or the tracking area update request message, sending, by the MME, a notification to the HSS to inform the HSS to cancel registration of the MME as the short message serving node of the user equipment.
    Type: Grant
    Filed: August 19, 2016
    Date of Patent: September 5, 2017
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Yanping Zhang, Fenqin Zhu, Shufeng Shi
  • Patent number: 9706019
    Abstract: A method, a system, and a network element for service processing after data of a network element is invalid or a network element fails are provided. When the service network element (1) receives the service request message from the network and initiated to a called end and the user data is invalid, the service network element (1) returns a data invalid message of the called end to the network. When a network element containing registration data of a user is abnormal and the registration data of the user is invalid, by using the present invention, the service unavailable time is shortened, and user services can be recovered rapidly.
    Type: Grant
    Filed: June 29, 2009
    Date of Patent: July 11, 2017
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Qian Du, Bing Wei, Xiaoyun Wang, Leibin Wang, Shufeng Shi, Peng Zhao, Xuexia Yan
  • Publication number: 20170195873
    Abstract: A method, apparatus, and system for disaster recovery of an IP Multimedia Subsystem (IMS) are provided. The method includes: triggering a redundant Call Session Control Function (CSCF); obtaining, by the redundant CSCF, user backup data of registered IMS Private User Identities (IMPIs) that are associated with IMPUs and user service configuration data of IMS Public User Identities (IMPUs) in an IMS subscription from a network storage entity of a user; and recovering, by the redundant CSCF, a corresponding service according to the obtained user backup data of the registered IMPIs and user service configuration data of the IMPUs in the IMS subscription. With the present invention, the one-IMPU multi-IMPI, one-IMPI multi-IMPU, or multi-IMPI multi-IMPU service can be recovered, and this enables the user to have better service continuity experiences.
    Type: Application
    Filed: March 20, 2017
    Publication date: July 6, 2017
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Feng LIANG, Linfei SHEN, Shufeng SHI
  • Publication number: 20170180976
    Abstract: Embodiments of the present invention provide a method for controlling an E-UTRA capability of UE, an apparatus, and a system, and relate to the communications field. After UE fails to register with an E-UTRAN in a visited network, a ping-pong effect occurring on the UE can be avoided by disabling an E-UTRA capability of the UE. The method includes: obtaining, by an MME in a visited network, first reason information indicating why UE fails to register with the visited network, obtaining first indication information corresponding to the first reason information, and sending the first indication information to the UE, so that the UE disables the E-UTRA capability of the UE according to the first indication information.
    Type: Application
    Filed: February 28, 2017
    Publication date: June 22, 2017
    Inventors: Lin SHU, Shufeng SHI
  • Patent number: 9661028
    Abstract: A method, apparatus, and system for disaster recovery of an IP Multimedia Subsystem (IMS) are provided. The method includes: triggering a redundant Call Session Control Function (CSCF); obtaining, by the redundant CSCF, user backup data of registered IMS Private User Identities (IMPIs) that are associated with IMPUs and user service configuration data of IMS Public User Identities (IMPUs) in an IMS subscription from a network storage entity of a user; and recovering, by the redundant CSCF, a corresponding service according to the obtained user backup data of the registered IMPIs and user service configuration data of the IMPUs in the IMS subscription. With the present invention, the one-IMPU multi-IMPI, one-IMPI multi-IMPU, or multi-IMPI multi-IMPU service can be recovered, and this enables the user to have better service continuity experiences.
    Type: Grant
    Filed: January 13, 2012
    Date of Patent: May 23, 2017
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Feng Liang, Linfei Shen, Shufeng Shi
  • Publication number: 20170086057
    Abstract: Embodiments of the present invention disclose a method, a network element, and a system for determining a target RAT. The method includes: receiving, by an access network element, access control information of a UE that is sent by a mobility management network element, where the access control information includes an identity of a PLMN and a radio access technology RAT allowed and/or a RAT not allowed by the PLMN; and determining, by the access network element, a target RAT for the UE according to the access control information. The present invention can be applied to a shared network environment.
    Type: Application
    Filed: December 5, 2016
    Publication date: March 23, 2017
    Inventors: Yanping Zhang, Fenqin Zhu, Shufeng Shi, Yuliang Zhi
  • Patent number: 9538433
    Abstract: Embodiments of the present invention disclose a method, a network element, and a system for determining a target RAT. The method includes: receiving, by an access network element, access control information of a UE that is sent by a mobility management network element, where the access control information includes an identity of a PLMN and a radio access technology RAT allowed and/or a RAT not allowed by the PLMN; and determining, by the access network element, a target RAT for the UE according to the access control information.
    Type: Grant
    Filed: March 27, 2015
    Date of Patent: January 3, 2017
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Yanping Zhang, Fenqin Zhu, Shufeng Shi, Yuliang Zhi
  • Publication number: 20160360398
    Abstract: A service processing method and related devices are disclosed. The method includes: receiving, by a mobility management entity (MME), an access request message from a user equipment; determining, by the MME, whether the access request message from the user equipment is an attach message or a tracking area update request message; and if the MME has been registered as a short message serving node of the user equipment in a home subscriber server (HSS) and it is determined that the access request message is the attach message or the tracking area update request message, sending, by the MME, a notification to the HSS to inform the HSS to cancel registration of the MME as the short message serving node of the user equipment.
    Type: Application
    Filed: August 19, 2016
    Publication date: December 8, 2016
    Inventors: Yanping Zhang, Fenqin Zhu, Shufeng Shi
  • Patent number: 9456318
    Abstract: A service processing method and related devices are disclosed. The method includes: receiving, by a mobility management entity (MME), an access request message sent by a user equipment; obtaining, by the MME, indication information; and if the MME has been registered as a short message serving node and it is determined, according to the indication information, that the MME is no longer used as the short message serving node, sending, by the MME, a notification to a home subscriber server (HSS) so that the HSS cancels registration of the MME as the short message serving node.
    Type: Grant
    Filed: July 22, 2015
    Date of Patent: September 27, 2016
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Yanping Zhang, Fenqin Zhu, Shufeng Shi
  • Patent number: 9451442
    Abstract: The present invention relates to a service processing method and apparatus in a communication network. In the technical solutions provided in the embodiments of the present invention, the second mobility management network element can determine, according to the received indication information, whether to send a message to the HSS or HLR or whether to activate the ISR, so that in a communication system, it is ensured that a user equipment can carry out a corresponding service, and signaling transmission in the communication network can be further reduced, thereby improving network performance.
    Type: Grant
    Filed: October 10, 2014
    Date of Patent: September 20, 2016
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Yanping Zhang, Xiaobo Wu, Shufeng Shi
  • Publication number: 20160234676
    Abstract: The present application provides a method for sending user subscription data, a method for receiving user subscription data, an HSS, and an SGSN. After receiving a request from an SGSN, the HSS determines whether the user subscription data includes CAMEL service data. If the user subscription data includes the CAMEL service data, the HSS sends the user subscription data to the SGSN by using a Gr interface, or sends non-CAMEL service data in the user subscription data by using the S6d interface and sends the CAMEL service data in the user subscription data by using a Gr interface to the SGSN.
    Type: Application
    Filed: April 14, 2016
    Publication date: August 11, 2016
    Inventor: Shufeng SHI