Patents by Inventor Hongping Zhang

Hongping Zhang 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).

  • Communications Method and Apparatus
    Publication number: 20210328699
    Abstract: A communications method and apparatus. The method includes receiving, by a centralized unit (CU), from a distributed unit (DU) a correspondence between an absolute time and a radio frame number, and sending, by the CU, a first absolute time corresponding to a first radio frame number to an user equipment (UE).
    Type: Application
    Filed: June 4, 2021
    Publication date: October 21, 2021
    Inventors: Xingxing Hu, Hongping Zhang, Qinghai Zeng
  • COMMUNICATION METHOD AND APPARATUS
    Publication number: 20210321312
    Abstract: This application provides a communication method and apparatus. The method includes: a terminal device receives conditional handover configuration information from a first network device, where the configuration information is used to configure a trigger condition of a conditional handover, and the first network device is a network device to which a serving cell currently accessed by the terminal device belongs. The terminal device determines a first target cell based on the conditional handover configuration information, where the first target cell is a cell in at least one candidate target cell that satisfies the trigger condition.
    Type: Application
    Filed: June 25, 2021
    Publication date: October 14, 2021
    Inventors: Le YAN, Hongping ZHANG, Tingting GENG, Qinghai ZENG
  • Communication Method and Communications Apparatus
    Publication number: 20210321313
    Abstract: This application provides a communication method and a communications apparatus. The method includes: receiving, by a terminal device, conditional handover configuration information from a first network device, where the first network device is a network device to which a serving cell belongs, and the serving cell is a cell that currently accessed by the terminal belongs; and determining, by the terminal device, a first target cell based on the conditional handover configuration information.
    Type: Application
    Filed: June 25, 2021
    Publication date: October 14, 2021
    Inventors: Le Yan, Hongping Zhang, Qinghai Zeng, Tingting Geng, Shitong Yuan
  • COMMUNICATION METHOD, APPARATUS, AND SYSTEM
    Publication number: 20210315044
    Abstract: This application provides a communication method and apparatus, and a system, to protect security and user privacy in a data transmission process. After determining to establish a radio resource control (RRC) connection in anonymous mode, a terminal device sends a request to an access network device, to request to establish the RRC connection in anonymous mode, so that the access network device establishes the RRC connection in anonymous mode to the terminal device. The solutions in this application may be applied to a communications system, for example, may be applied to a 5th generation 5G network.
    Type: Application
    Filed: June 18, 2021
    Publication date: October 7, 2021
    Inventors: Hongping ZHANG, Xingxing HU
  • Method for sending paging message and related device
    Patent number: 11140654
    Abstract: Example paging message sending method and apparatus are described to notify each UE of a paging cause. In one example method, a first network node sends a paging message to a second network node. The paging message carries indication information, which is used to indicate a paging cause.
    Type: Grant
    Filed: September 26, 2019
    Date of Patent: October 5, 2021
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Tingting Geng, Hongping Zhang, Qinghai Zeng
  • Terminal, base station, cell access method, and data transmission method for reconfiguring a wireless connection to communicate with a secondary cell
    Patent number: 11134427
    Abstract: A cell access method includes determining, by a terminal in communication with a first cell, to communicate with a second cell, establishing a wireless connection by which the terminal communicates with the second cell in response to the determining to communicate with the second cell, accessing the second cell on the wireless connection by the terminal, and receiving, by the terminal, a reconfiguration message sent by a first base station of the first cell. The reconfiguration message is sent by the first base station to the terminal. The method further includes reconfiguring the wireless connection according to the reconfiguration message, and communicating with the second cell on the reconfigured wireless connection.
    Type: Grant
    Filed: March 18, 2020
    Date of Patent: September 28, 2021
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Qinghai Zeng, Hongping Zhang
  • System information broadcasting method and apparatus, and system information receiving method and apparatus
    Patent number: 11109303
    Abstract: A system information broadcasting method and apparatus, and a system information receiving method and apparatus are provided.
    Type: Grant
    Filed: February 15, 2019
    Date of Patent: August 31, 2021
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Hongping Zhang, Mingzeng Dai, Qinghai Zeng
  • Data transmission method and data transmission apparatus
    Patent number: 11109263
    Abstract: This application provides a transmission method and a data transmission apparatus. The method includes: sending, by a source access network device, data packets of a QoS flow and a first end marker packet to a first core network user plane device over a first data tunnel, wherein the first end marker packet indicates an end of sending data packets of the QoS flow to the first core network user plane device, and the first data tunnel is corresponding to a first PDU session; sending, by the first core network user plane device, the data packets received from the source access network device and a second end marker packet to a second core network user plane device over a second data tunnel; and sending, by the second core network user plane device, the data packets received from the first core network user plane device to a target access network device.
    Type: Grant
    Filed: September 6, 2019
    Date of Patent: August 31, 2021
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Lifeng Han, Rui Wang, Mingzeng Dai, Hongping Zhang, Qinghai Zeng
  • Method and device for sending system information
    Patent number: 11102706
    Abstract: Embodiments of the present invention relate to the communications field, and provide a method and device for sending system information. The method comprises: a terminal receives a broadcast message from a network device, the broadcast message comprises indication information for an system information (SI) and wherein that the indication information is for indicating that whether the SI is being broadcasted or not, in case that the indication information indicating that the SI is not being broadcasted, the terminal sends a system information request to the network device for acquiring the SI.
    Type: Grant
    Filed: July 31, 2019
    Date of Patent: August 24, 2021
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Tingting Geng, Hongping Zhang, Yalin Liu
  • Method and device for sending system information
    Patent number: 11096113
    Abstract: A method and device for sending system information related to the communications field are provided. The method comprises: a terminal receives a broadcast message from a network device, the broadcast message comprises indication information for an system information (SI) and wherein that the indication information is for indicating that whether the SI is being broadcasted or not, in case that the indication information indicating that the SI is not being broadcasted, the terminal sends a system information request to the network device for acquiring the SI.
    Type: Grant
    Filed: February 8, 2019
    Date of Patent: August 17, 2021
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Tingting Geng, Hongping Zhang, Yalin Liu
  • Data processing method, terminal, and base station
    Patent number: 11089539
    Abstract: A method includes: a terminal obtains a downlink reference for uplink transmission in a first cell of a first base station, the downlink reference is used to determine frequency information of an uplink carrier of the first cell; the terminal obtains uplink grant information in the first cell of the first base station, where the uplink grant information includes information about an uplink time-frequency resource on the uplink carrier of the first cell; and the terminal sends uplink data to the first base station on the uplink time-frequency resource by using the downlink reference.
    Type: Grant
    Filed: December 27, 2019
    Date of Patent: August 10, 2021
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Qinghai Zeng, Hongping Zhang
  • COMMUNICATION METHOD AND APPARATUS
    Publication number: 20210243614
    Abstract: This application provides a communication method and apparatus, to improve communication efficiency. The method includes: determining downlink signal quality; determining a downlink coverage enhancement CE level of a terminal device based on the downlink signal quality and a first CE level quality threshold; and determining an uplink CE level of the terminal device based on the downlink signal quality and a second CE level quality threshold, where the first CE level quality threshold is different from the second CE level quality threshold.
    Type: Application
    Filed: April 23, 2021
    Publication date: August 5, 2021
    Inventors: Tingting GENG, Le YAN, Hongping ZHANG
  • DELAY MEASUREMENT METHOD AND APPARATUS
    Publication number: 20210235317
    Abstract: The present disclosure relates to delay measurement methods and apparatus. In one example method, a first communications device receives a data unit from a second communications device, where the data unit includes time information, the time information is used to indicate a first moment at which the second communications device sends the data unit, and the time information indicates the first moment based on a part of bits of a frame number. The first communications device determines a delay from the second communications device to the first communications device based on the first moment and a second moment, where the second moment is a moment at which the first communications device receives the data unit.
    Type: Application
    Filed: April 15, 2021
    Publication date: July 29, 2021
    Inventors: Xingxing HU, Qinghai ZENG, Hongping ZHANG, Xing LIU, Feng HAN
  • Data forwarding method, device, and communications system
    Patent number: 11076334
    Abstract: Embodiments of the present invention provide a data forwarding method, device, and communications system, which relate to the field of communications and can achieve accuracy and continuity of data transmission during carrier aggregation for cells between base stations. The method includes: sending, by a primary base station, a first message to a secondary base station, where the first message is used to instruct the secondary base station to perform handover, and the first message includes an identifier of a target base station; confirming, by the primary base station, that the secondary base station forwards data to the target base station; and sending, by the primary base station, a second message to a user equipment, where the second message is used to instruct the user equipment to acquire the data from the target base station. The embodiments of the present invention are used for data forwarding.
    Type: Grant
    Filed: September 18, 2019
    Date of Patent: July 27, 2021
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Mingzeng Dai, Yi Guo, Qinghai Zeng, Hongping Zhang
  • MDT MEASUREMENT METHOD, DEVICE, AND SYSTEM
    Publication number: 20210219156
    Abstract: This application provides a minimization of drive tests (MDT) measurement solution, which may be used to implement an MDT measurement of a network device with an architecture in which a central unit (CU) entity and a distributed unit (DU) entity are separated. A centralized unit control plane (CU-CP) determines configuration information, and sends the configuration information to a centralized unit user plane (CU-UP) of the network device. The configuration information is used to perform an MDT measurement on a measurement object. The solution in this application may be applied to a communications system, for example, may be applied to a 5th generation (5G) network.
    Type: Application
    Filed: March 29, 2021
    Publication date: July 15, 2021
    Inventors: Xingxing Hu, Hongping Zhang, Qinghai Zeng
  • Handover Method And Base Station
    Publication number: 20210219191
    Abstract: This disclosure discloses methods, apparatuses, and systems for performing handover. One method comprises: receiving, by a target access network device after a mapping relationship between a quality of service (QoS) flow of a terminal device and a data radio bearer (DRB) changes, a handover request from a source access network device, wherein the handover request comprises indication information for requesting to establish a tunnel; and sending, by the target access network device to the source access network device, information about the tunnel for the target access network device to receive one or more data units from the source access network device after the mapping relationship between the QoS flow and the DRB changes.
    Type: Application
    Filed: March 29, 2021
    Publication date: July 15, 2021
    Inventors: Xingxing HU, Hongping ZHANG
  • MEASUREMENT REPORTING ENTRY PROCESSING METHOD AND DEVICE
    Publication number: 20210219164
    Abstract: A measurement reporting entry processing method and a device are provided. The method includes receiving indication information from a network device, where the indication information indicates a processing manner of a measurement reporting entry; and processing the measurement reporting entry based on the indication information.
    Type: Application
    Filed: March 26, 2021
    Publication date: July 15, 2021
    Inventors: Lili ZHENG, Hongping ZHANG, Qinghai ZENG, David LECOMPTE
  • Mode Switching Method, Data Flow Splitting Method, And Apparatus
    Publication number: 20210211224
    Abstract: The present disclosure relates to mode switching methods, data flow splitting methods, and apparatus. One example mode switching method includes generating, by a first device, first indication information, where a packet data control protocol (PDCP) entity in the first device is connected to at least two radio link control (RLC) entities in a second device, and sending, by the first device, the first indication information to the second device, where the first indication information is used to indicate that transmission between a first RLC entity in the at least two RLC entities and the PDCP entity in the first device is to be canceled. The second device stops the transmission between the first RLC entity and the PDCP entity based on the first indication information.
    Type: Application
    Filed: March 25, 2021
    Publication date: July 8, 2021
    Inventors: Xingxing HU, Wenjie PENG, Rui WANG, Hongping ZHANG, Haiyan LUO
  • Data transmission method and apparatus
    Patent number: 11032856
    Abstract: A method includes determining configuration information of a preset data bearer, where the preset data bearer is used to transmit data, and the configuration information comprises a data transmission mode of data transmitted over a radio interface through the preset data bearer. The method also includes sending the configuration information of the preset data bearer to a mobile terminal before establishment of a radio resource control (RRC) connection to the mobile terminal is completed, where the configuration information of the preset data bearer is used by the mobile terminal to transmit data through the preset data bearer.
    Type: Grant
    Filed: March 26, 2019
    Date of Patent: June 8, 2021
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Hongping Zhang, Qinghai Zeng
  • Data Transmission Method and Device
    Publication number: 20210168669
    Abstract: Embodiments of this application provide a data transmission method and device. The method includes: obtaining, by a first access network device, a first message from a second access network device, where the first message requests context information of a terminal device; and sending, by the first access network device, a data packet to the second access network device. The first access network device is a corresponding access network device of the terminal device before the re-establishment procedure, and the second access network device is a corresponding access network device when the terminal device initiates the re-establishment procedure.
    Type: Application
    Filed: February 9, 2021
    Publication date: June 3, 2021
    Inventors: Tingting Geng, Hongping Zhang, Le Yan, Yinghao Jin