Patents by Inventor Jianhua Liu

Jianhua Liu 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: 11272493
    Abstract: Disclosed by the present invention are a power indication method, a network device, a terminal device and a computer storage medium, the method comprising: in downlink data scheduling information, indicating to a terminal device second power allocation information for a downlink data channel.
    Type: Grant
    Filed: October 11, 2017
    Date of Patent: March 8, 2022
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventors: Ning Yang, Jianhua Liu, Zhi Zhang
  • Publication number: 20220070661
    Abstract: The present disclosure relates to a method for determining a terminal capability message format and a server. The method is applied to a first network device and includes obtaining terminal capability information, the terminal capability information being defined by a first message format. The method further includes decoding the terminal capability information using the first message format.
    Type: Application
    Filed: November 10, 2021
    Publication date: March 3, 2022
    Inventor: Jianhua LIU
  • Patent number: 11265963
    Abstract: A method and device for suspending an RRC connection are provided. The method comprises: the first node sends a first notification message to a second node, and negotiates with the second node about whether the RRC connection is required to be suspended, wherein the first notification message is used for notifying the second node that the first node determines that the RRC connection is required to be suspended; if a result of the negotiation between the first node and the second node is that the RRC connection is required to be suspended, the first node sends a first suspension command to a terminal device, the first suspension command being used for triggering the terminal device to suspend the RRC connection and enter an RRC inactive state.
    Type: Grant
    Filed: September 9, 2020
    Date of Patent: March 1, 2022
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventors: Jianhua Liu, Ning Yang
  • Patent number: 11265783
    Abstract: Disclosed are a handover processing method, a network device, a terminal device, and a computer storage medium. The method comprises: when a first network device located in a first system network or a first core network is connected to a terminal device, the first network device establishes a candidate connection between the terminal device and a target system network or a target core network, wherein the candidate connection is used for handover to the target system network or the target core network when the terminal device meets a preset condition.
    Type: Grant
    Filed: July 1, 2020
    Date of Patent: March 1, 2022
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventors: Jianhua Liu, Ning Yang
  • Patent number: 11265791
    Abstract: Disclosed are a handover method and a terminal device. The method includes that a first access network device triggers at least one of a terminal device or a second access network device to configure a second protocol stack; and before the first access network device triggers the at least one of the terminal device or the second access network device to maintain the sequence of the data packets of the terminal device by use of the second protocol stack, the first access network device sequentially processes data packets to be processed of the terminal device by use of a first protocol stack.
    Type: Grant
    Filed: July 25, 2017
    Date of Patent: March 1, 2022
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventors: Ning Yang, Jianhua Liu
  • Patent number: 11265959
    Abstract: The method for indicating protocol data unit session status includes that: a terminal device indicates activation and/or deactivation of a protocol data unit session based on configuration signaling sent by a network device. A terminal device and a non-transitory computer-readable storage medium are also provided.
    Type: Grant
    Filed: April 27, 2021
    Date of Patent: March 1, 2022
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventors: Cong Shi, Jianhua Liu, Ning Yang
  • Publication number: 20220061103
    Abstract: A method for random access includes: determining, by a terminal device, a first numerology to be used for transmitting a first message during a random access procedure; and receiving, by the terminal device using the first numerology, the first message transmitted by an access network device, wherein the determining, by the terminal device, the first numerology to be used for transmitting the first message during the random access procedure includes: determining a frequency band of a frequency domain resource to be used for transmitting the first message; determining a correspondence between a plurality of frequency bands and a plurality of numerologies; and determining the first numerology according to the frequency band and the correspondence.
    Type: Application
    Filed: November 3, 2021
    Publication date: February 24, 2022
    Inventors: Jianhua LIU, Hua XU, Ning YANG
  • Publication number: 20220061023
    Abstract: An embodiment of the present disclosure discloses a wireless communication method and a device, which are capable of updating a parameter that has been transmitted by a network device. The method includes: transmitting, by a terminal device, a first message to the network device, wherein the first message is used to request an update of a first parameter that has been transmitted by a network side to the terminal device, and the first parameter is used to calculate a time parameter for the terminal device to monitor a paging message, wherein the paging message corresponds to a first USIM card of at least two USIM cards in the terminal device; receiving, by the terminal device, a second message, which is transmitted by the network device based on the first message; and updating, by the terminal device, the first parameter based on the second message.
    Type: Application
    Filed: November 5, 2021
    Publication date: February 24, 2022
    Inventors: Yang Xu, Jianhua Liu, Shukun Wang
  • Patent number: 11259199
    Abstract: The embodiment of the present disclosure provides a wireless communication method and a wireless communication device. The method includes: the primary service node serving the terminal device in a first network sending first information to the terminal device, wherein the first information is used to indicate the terminal device to perform measurement and/or measurement result reporting on a secondary service node in a second network.
    Type: Grant
    Filed: November 21, 2019
    Date of Patent: February 22, 2022
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventors: Ning Yang, Jianhua Liu
  • Patent number: 11259224
    Abstract: The present invention provides a method for determining a core network type during a handover process, a terminal device, an access network device, and a core network device. In a process of cell handover, a target access network device may determine the core network type of a target cell according to preferred core network type information reported by a terminal device; alternatively, the target access device may determine the core network type of the target cell by information exchange with a core network device. Therefore, smooth cell handover is ensured, and user experience is improved. The method comprises: during a process of handover of a terminal device from a source cell to a target cell, the terminal device sends preferred core network type information for the target cell to a source access network device, wherein the preferred core network type information is reference information for determining the core network type of the target cell.
    Type: Grant
    Filed: May 11, 2020
    Date of Patent: February 22, 2022
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventor: Jianhua Liu
  • Patent number: 11252557
    Abstract: Disclosed in the present application is a capability identifier distribution method, capable of effectively distributing a capability identifier for a terminal device, decreasing signaling overhead caused by capability information reporting and storage. The method comprises: a terminal device, in a non-access stratum (NAS) process, acquiring a capability identifier of a network device for distribution to the terminal device; or, the terminal device, in a radio resource control (RRC) process, acquiring said capability identifier; the capability identifier being used to identify capability information of the terminal device.
    Type: Grant
    Filed: May 6, 2021
    Date of Patent: February 15, 2022
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventors: Jianhua Liu, Ning Yang
  • Publication number: 20220038908
    Abstract: A data processing method, an access network device, and a core network device are provided. The method comprises: the access network device receives first information sent by the core network device or a terminal device; the access network device determines, according to the first information, whether to perform security processing on data to be processed.
    Type: Application
    Filed: October 15, 2021
    Publication date: February 3, 2022
    Inventor: JIANHUA LIU
  • Publication number: 20220038889
    Abstract: A user equipment and a method for selecting a public land mobile network (PLMN) are provided. The method includes performing a PLMN selection, wherein the PLMN selection is configured to be used in a standalone non-public network (SNPN), obtaining at least one mobile country code (MCC) from a wireless communication service provider according to the PLMN selection for the SNPN, and storing the at least one MCC.
    Type: Application
    Filed: September 10, 2021
    Publication date: February 3, 2022
    Applicant: GUANDGONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventor: Jianhua Liu
  • Patent number: 11240722
    Abstract: A Handover (HO) method and device and a computer storage medium are disclosed. The method includes that: a first Radio Access Network (RAN) element determines to keep a connection between a first RAN and a first Core Network (CN) during the process of the handover of User Equipment (UE) from the first RAN to a second RAN according to first information or a received first message; and the first RAN element receives data of the UE forwarded by a second RAN element, and sends the data to a first CN element.
    Type: Grant
    Filed: July 15, 2020
    Date of Patent: February 1, 2022
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventors: Jianhua Liu, Ning Yang
  • Patent number: 11240775
    Abstract: Embodiments of this application provide a wireless communications method and device to implement an inter-system network handover in the case of flexible registration modes of a terminal device. The method includes: determining, by a first network device in a first system, a registration mode and/or a supported registration mode of a terminal device, where the registration mode is a single registration (SR) mode of registration with a single system or a dual registration (DR) mode of registration with dual systems, and a first cell in the first system is accessed by the terminal device; and determining, by the first network device according to the registration mode and/or the supported registration mode of the terminal device, a procedure that needs to be performed or cannot be performed for the terminal device to access a second cell in a second system.
    Type: Grant
    Filed: July 2, 2020
    Date of Patent: February 1, 2022
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventor: Jianhua Liu
  • Patent number: 11240781
    Abstract: A communication method, a terminal device, and an access network device are provided. The method includes: the terminal device receives a first message sent by an access network device; and the terminal device determines a paging type according to the first message. The terminal device includes an input interface and a processor, wherein the input interface is used for receiving a first message sent by an access network device; and the processor is used for determining a paging type according to the first message.
    Type: Grant
    Filed: March 31, 2017
    Date of Patent: February 1, 2022
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventor: Jianhua Liu
  • Patent number: 11234203
    Abstract: Provided by implementations of the present disclosure are a dual-registered terminal device wireless communication method, a network device and a terminal device. The method comprises: the terminal device being registered in both a first network and a second network; the first network device sending indication information to the second network device, the indication information being used to indicate that the first network device is sending a downlink message to the terminal device or is receiving an uplink message from the terminal device, the first network device being a network device under the first network, and the second network device being a network device under the second network.
    Type: Grant
    Filed: November 24, 2017
    Date of Patent: January 25, 2022
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventors: Ning Yang, Jianhua Liu
  • Patent number: 11234181
    Abstract: The embodiments of the present application disclose a method and a device for determining a service path, where the method includes: obtaining service performance information of a current service of a terminal device; switching, according to the service performance information, a service path of the current service from a first service path to a second service path, where the service path is a path used by the terminal device to access a network. The method and device according to the embodiments of the present application may improve the user experience of the terminal.
    Type: Grant
    Filed: January 15, 2020
    Date of Patent: January 25, 2022
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventor: Jianhua Liu
  • Patent number: 11234211
    Abstract: Disclosed in the embodiments of the present application is a method, network node, and terminal device for wireless communication. The method comprises: acquiring by a first network node, a working bandwidth capability of at least one terminal device to be paged; and sending by the first network node, according to the working bandwidth capability of the at least one terminal device, a paging message to the at least one terminal device. The method, the network node and the terminal device in the embodiments of the present application can effectively improve scheduling flexibility of paging messages.
    Type: Grant
    Filed: June 14, 2017
    Date of Patent: January 25, 2022
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventors: Jianhua Liu, Zhi Zhang
  • Publication number: 20220021623
    Abstract: The present application discloses a service processing method, a device, a chip and a computer program, where the method includes: acquiring, by a first device, ingress window information of a service data packet; acquiring, by the first device, transmission delay information of the service data packet; and determining, by the first device, egress window information of the service data packet according to the ingress window information and the transmission delay information, which are acquired. By applying the solution of the present application, the egress window information and the like can be determined effectively.
    Type: Application
    Filed: July 30, 2021
    Publication date: January 20, 2022
    Applicant: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP, LTD.
    Inventors: Jianhua LIU, Yang XU