Patents by Inventor Longyu CAO

Longyu CAO 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).

  • Publication number: 20240163828
    Abstract: A communication method and a related apparatus. An access network device sends a first request message, where the first request message includes a first identifier indicating a user equipment management service. The first request message requests to establish a PDU session for the user equipment management service. The control plane network element configures an IP address of user equipment, a QoS flow identifier, and first indication information indicates to establish a user equipment management channel. based on the first request message. The control plane network element of the core network sends a second request message to the access network device. The second request message includes the IP address of the user equipment, the QoS flow identifier, and the first indication information. The access network device constructs user equipment management channel information.
    Type: Application
    Filed: January 25, 2024
    Publication date: May 16, 2024
    Inventors: Longyu CAO, Yaoguang WANG, Yijun YU
  • Patent number: 11985518
    Abstract: Embodiments of this application provide methods, apparatuses, and systems for physical cell identifier (PCI) conflict detection and optimization.
    Type: Grant
    Filed: September 30, 2021
    Date of Patent: May 14, 2024
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Longyu Cao, Yaoguang Wang
  • Patent number: 11979818
    Abstract: This application discloses a communication method and a communications apparatus. A first radio network management function network element that can provide a service-based interface is introduced between an access network element and a core network element. In this way, service invocation may be performed with the access network element by invoking a service-based interface of the first radio network management function network element, and service invocation may also be performed with the core network element by invoking a service-based interface of the first radio network management function network element.
    Type: Grant
    Filed: March 16, 2021
    Date of Patent: May 7, 2024
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Yijun Yu, Longyu Cao
  • Publication number: 20240119362
    Abstract: An information transmission method and an apparatus are provided. The method includes: a first network device sends a first type of feedback information to a second network device, wherein the first type includes one or more of the following: a model evaluation indicator, operation indication information, and a network performance indicator. The first network device receives the feedback information from the second network device. The first network device determines the performance of the model based on the feedback information. According to this application, the first network device can configure a type of the feedback information according to a requirement of the first network device and a capability of the second network device, thereby improving flexibility of feedback.
    Type: Application
    Filed: December 20, 2023
    Publication date: April 11, 2024
    Inventors: Xietian Huang, Longyu Cao, Yaoguang Wang, Yijun Yu
  • Patent number: 11956691
    Abstract: One example method includes receiving, by a first mobility management network element, a first cell identifier and a network identifier from a first network element, where the network identifier includes an identifier of a first private network and an identifier of a second private network. The first mobility management network element can then obtain information about a second network element based on the first cell identifier and the network identifier, where the first network element serves a terminal device in the first private network, and where the second network element serves the terminal device in the second private network. The first mobility management network element can then send the first cell identifier and the network identifier to the second network element indicated by the information about the second network element, where the first cell identifier and the network identifier are used to obtain downlink routing information.
    Type: Grant
    Filed: September 30, 2021
    Date of Patent: April 9, 2024
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Longyu Cao, Yaoguang Wang, Yijun Yu
  • Patent number: 11937336
    Abstract: This application provides a signaling transmission interface compatibility method and apparatus. The method includes: A first network element obtains capability information of an access and mobility management function network element, where the capability information is used to indicate that the access and mobility management function network element has a capability of performing signaling transmission with a radio access network through a target interface function network element. The first network element selects the target interface function network element based on the capability information, where the target interface function network element is used for signaling transmission between the access and mobility management function network element and the radio access network.
    Type: Grant
    Filed: March 10, 2021
    Date of Patent: March 19, 2024
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Longyu Cao, Yijun Yu
  • Publication number: 20240089802
    Abstract: Embodiments of this application provide for a communication method and a related apparatus. In the method, an access and mobility management function network element receives a first correspondence between a first identifier and a quality of experience (QoE) target. The first correspondence includes the first identifier, the first identifier indicates an identifier of a first terminal device at an application layer, and the QoE target indicates a service QoE target of the first terminal device. The access and mobility management function network element determines a second identifier based on the first identifier. The access and mobility management function network element sends a second correspondence between the second identifier and the QoE target, where the second identifier indicates an identifier of the first terminal device in a network. According to the foregoing method, a service QoE requirement for a specified terminal device can be met.
    Type: Application
    Filed: November 21, 2023
    Publication date: March 14, 2024
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Longyu CAO, Yaoguang WANG, Yijun YU
  • Publication number: 20240056449
    Abstract: This application provides a communication method, apparatus, and device. In the method, when a target tenant has a network operation and maintenance management requirement for accessing first information by using a first service, an NMS of the target tenant can successfully access the first information regardless of whether the target tenant has permission to invoke the first service. In addition, the first information is transmitted between an EMS and the tenant NMS of the target tenant without passing through an operator NMS. Therefore, security of the first information can be ensured.
    Type: Application
    Filed: October 27, 2023
    Publication date: February 15, 2024
    Inventors: Cheng Huang, Yaoguang Wang, Longyu Cao, Yijun Yu
  • Patent number: 11894995
    Abstract: Example data processing methods and apparatus are described. One example data processing method includes receiving data description information and reported data, where the data description information includes at least one of a vendor name, network element version information, a data type supported by a network management system, or a coding mode supported by the network management system. The reported data is converted based on the data description information, where reported data obtained through conversion meets a virtual network function event streaming (VES) specification. A VES event is sent, where the VES event includes the reported data obtained through conversion.
    Type: Grant
    Filed: April 7, 2022
    Date of Patent: February 6, 2024
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Mingdong Li, Yaoguang Wang, Enbo Wang, Longyu Cao
  • Patent number: 11803409
    Abstract: A mobile edge computing method and apparatus are provided. The method which is implemented by a mobile edge computing (MEC) management network element includes: receiving an MEC virtualization resource request sent by a control plane of a target radio access network (RAN), wherein the control plane belongs to the target RAN to which user equipment (UE) is handed over, and the MEC virtualization resource request includes an MEC computing resource requirement of the UE; creating, based on the MEC virtualization resource request, a new virtual machine (VM) on an MEC server for the UE, wherein the new VM is used on the target RAN side after the handover; and sending first information of the new VM to the control plane, wherein the first information includes an ID of the new VM. According to the application, the efficiency of usage of resources during a handover of UE is significantly improved.
    Type: Grant
    Filed: November 16, 2020
    Date of Patent: October 31, 2023
    Assignees: Huawei Technologies Co., Ltd., Tsinghua University
    Inventors: Yong Li, Huan Yan, Yu Liu, Longyu Cao, Depeng Jin
  • Publication number: 20230344717
    Abstract: In a policy conflict management method, a first controller receives first policy information that comprises a first policy configured by a core network for UE. The first controller detects that a policy conflict occurs between the first policy information and second policy information, where the second policy information includes a second policy configured by a second controller for the UE, or a first decision result obtained after the first controller makes a policy decision according to the second policy. The first controller makes a policy decision according to the first policy and the second policy to obtain a second decision result. The first controller then sends the second decision result to a radio access network RAN network element for execution.
    Type: Application
    Filed: June 27, 2023
    Publication date: October 26, 2023
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Longyu Cao, Yaoguang Wang, Yijun Yu
  • Patent number: 11785121
    Abstract: Example communication methods and example apparatuses are provided. One example method includes obtaining, by an adaptor client, a southbound interface protocol type, where the adaptor client manages two or more protocol adaptors. The adaptor client can then select a first protocol adaptor from the two or more protocol adaptors based on the southbound interface protocol type, where the first protocol adaptor implements a first protocol.
    Type: Grant
    Filed: January 4, 2022
    Date of Patent: October 10, 2023
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Longyu Cao, Yaoguang Wang
  • Publication number: 20230209450
    Abstract: The technology of this application relates to a mobility management method. The method includes a first network device receiving a first message, where the first message includes information that indicates a target cell. The first network device determines, based on at least one of the following information, whether a terminal device is allowed to access the target cell: context information of the terminal device and resource status information of the target cell. It is determined, by using resource status information of a plurality of cells and/or the context information of the terminal device, whether the terminal device is allowed to access a cell, so that determining can be performed before the terminal device accesses the target cell, to improve an access success rate, avoid a resource waste, and implement centralized control on the plurality of cells.
    Type: Application
    Filed: February 17, 2023
    Publication date: June 29, 2023
    Inventors: Longyu CAO, Yijun YU
  • Publication number: 20230189057
    Abstract: This application provides a service traffic steering method and an apparatus, to improve user experience. The method includes: A first network device determines at least one second terminal device, where first quality of experience corresponding to a first service flow of the second terminal device does not meet target quality of experience corresponding to the first service flow of the second terminal device. The first network device determines a target radio access network device, where the target radio access network device meets the target quality of experience corresponding to the first service flow of the at least one second terminal device. The first network device connects the first service flow of the at least one second terminal device to the target radio access network device.
    Type: Application
    Filed: February 10, 2023
    Publication date: June 15, 2023
    Inventors: Longyu CAO, Dongrun QIN, Yijun YU
  • Publication number: 20230121383
    Abstract: A communication method and apparatus are provided. A first network element receives a policy creation request from a second network element, wherein a type of a policy requested to be created includes an intent policy or a non-intent policy; and sends a policy processing request to a third network element, wherein the policy processing request includes a policy type identifier, and the policy type identifier indicates that the policy is the intent policy or the non-intent policy. According to the present disclosure, policy execution reliability is improved.
    Type: Application
    Filed: December 19, 2022
    Publication date: April 20, 2023
    Inventors: Yexing Li, Longyu Cao, Dong Li
  • Publication number: 20230108693
    Abstract: Embodiments of this application relate to the field of communication technologies, and provide a quality of service management method and an apparatus, to adjust a QoS parameter in real time based on a status of a radio network resource, and therefore maximize utilization of radio resources. A specific solution is as follows: A first network element receives a QoS parameter request sent by a second network element, where the QoS parameter request is for requesting a QoS parameter. The first network element determines a first QoS parameter based on at least one of service requirement information of a user, attribute information of the user, and a radio network resource of the second network element. The first network element sends the first QoS parameter to the second network element, to enable the second network element to allocate a radio network resource based on the first QoS parameter.
    Type: Application
    Filed: November 29, 2022
    Publication date: April 6, 2023
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Longyu CAO, Yijun YU
  • Patent number: 11483261
    Abstract: Embodiments of the present invention disclose a data packet processing method and apparatus, and a device. The method includes: if a first data packet is received, determining a first cache queue that is in the first buffer and that is used to store the first data packet; buffering the first data packet in the second buffer if a state of the first cache queue is an invalid state, where a data amount of the first data packet is less than the capacity of the second buffer, and the state of the first cache queue is set to the invalid state when a current data amount of the first buffer reaches the capacity of the first buffer; and if a data amount of the second buffer reaches the capacity of the second buffer, sending all data packets that are in the second buffer to a control plane device.
    Type: Grant
    Filed: September 8, 2020
    Date of Patent: October 25, 2022
    Assignees: Huawei Technologies Co., Ltd., TSINGHUA UNIVERSITY
    Inventors: Yong Li, Mingyang Zhang, Huan Yan, Longyu Cao, Depeng Jin
  • Patent number: 11432351
    Abstract: A service continuity ensuring method, a control plane gateway, and a mobility management network element, where the method includes: receiving, by a control plane gateway (C-GW), current location information of a user equipment (UE) sent by a mobility management network element; selecting, by the C-GW, at least one forwarding distributed gateway (D-GW) for the UE according to the current location information of the UE; establishing, by the C-GW for the UE, a data forwarding tunnel between a source D-GW of the UE and the forwarding D-GW; and establishing a data forwarding tunnel between the forwarding D-GW and a target base station of the UE, where the data forwarding tunnels are used to transmit uplink user plane data and/or downlink user plane data of the UE in a moving process of the UE.
    Type: Grant
    Filed: October 14, 2020
    Date of Patent: August 30, 2022
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Lin Shu, Yanping Zhang, Longyu Cao, Runze Zhou
  • Publication number: 20220231929
    Abstract: Example data processing methods and apparatus are described. One example data processing method includes receiving data description information and reported data, where the data description information includes at least one of a vendor name, network element version information, a data type supported by a network management system, or a coding mode supported by the network management system. The reported data is converted based on the data description information, where reported data obtained through conversion meets a virtual network function event streaming (VES) specification. A VES event is sent, where the VES event includes the reported data obtained through conversion.
    Type: Application
    Filed: April 7, 2022
    Publication date: July 21, 2022
    Inventors: Mingdong LI, Yaoguang WANG, Enbo WANG, Longyu CAO
  • Patent number: 11323394
    Abstract: A buffer control method, a network element, and a system. The method includes: receiving, by a network element, a flow table message from a controller, where the flow table message includes buffer information of a data packet matching a flow table; processing, by the network element, a buffer of the data packet based on the buffer information, and sending a flow table response message to the controller. In the method, the network element can save, based on a corresponding saving manner, at least one data packet matching the flow table to the buffer corresponding to the flow table. Thus a data flow granularity-based buffer processing manner can be supported in an OpenFlow protocol, and a data buffering requirement of a mobile network can be met.
    Type: Grant
    Filed: December 12, 2019
    Date of Patent: May 3, 2022
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Gangjie He, Longyu Cao, Yijun Yu