Patents by Inventor Zhenzhen CAO

Zhenzhen 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: 20210058328
    Abstract: This application provides a resource allocation method and a communications device. The method includes: receiving, by a communications device, logical channel configuration information sent by a network devicetime duration; and determining, by the communications device based on the logical channel configuration information, whether to allocate a resource to a data packet on the logical channel. According to the resource allocation method provided in this application, when needing to allocate a transmission resource to the data packet on the logical channel, the communications device may determine, based on the time duration of the logical channel and a data volume of data that can be transmitted on the logical channel within the time duration that are in the logical channel configuration information sent by the network device, whether to allocate the resource to the data packet on the logical channel.
    Type: Application
    Filed: November 10, 2020
    Publication date: February 25, 2021
    Inventors: Bin XU, Zhenzhen CAO, Chuting YAO, Yiru KUANG
  • Patent number: 10917778
    Abstract: Embodiments of the present invention provide a communication resource allocation method and apparatus, a terminal device, a base station, and a communications system. The method includes: sending, by a first network device, a resource request message to a second network device, where the resource request message is used to request a first communication resource, the first communication resource is a resource for sending a relay message to a third network device by the first network device, the resource request message includes first relay service type indication information, and the first relay service type indication information is used to indicate a type of a relay service to be performed by the first network device by using the first communication resource; and receiving, by the first network device, a resource configuration message sent by the second network device.
    Type: Grant
    Filed: August 3, 2018
    Date of Patent: February 9, 2021
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Hong Wang, Zhenzhen Cao, Jian Zhang, Wei Quan, Li Chai
  • Patent number: 10912061
    Abstract: Embodiments of the present disclosure provide a method and an apparatus for semi-persistent scheduling (SPS). The method for semi-persistent scheduling includes: interacting, by a first user equipment, with a base station to obtain an SPS resource allocated by the base station; performing, by the first user equipment, device-to-device (D2D) communication with second user equipment by using the SPS resource; and after the D2D communication ends, sending, by the first user equipment, release indication information to the base station, so that the base station releases the SPS resource. In embodiments of the present disclosure, after D2D communication ends, the first user equipment sends a release indication message to a base station, so that the base station can release an SPS resource, preventing waste of resources.
    Type: Grant
    Filed: September 19, 2016
    Date of Patent: February 2, 2021
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Zhenzhen Cao, Bo Lin, Jie Ma, Yongqiang Gao
  • Publication number: 20210022080
    Abstract: A method and an apparatus for controlling a timer are disclosed. In the method, after user equipment activates a first bandwidth part in response to a first message, the user equipment controls a target timer to perform timing based on a unit time length of a second bandwidth part to optimize the timer in a BWP scenario.
    Type: Application
    Filed: October 2, 2020
    Publication date: January 21, 2021
    Inventors: Junren CHANG, Ning DONG, Zhenzhen CAO, Baokun SHAN
  • Publication number: 20210007177
    Abstract: This application provides a data transmission method and communications apparatus, to improve transmission efficiency. The method may include obtaining, by a MAC entity of a first communications device from an upper layer, first data on each of at least one first logical channel and second data on each of at least one second logical channel, where a service type or a destination address of the first data is different from a service type or a destination address of the second data. The method may also include generating, by the first communications device, a MAC PDU, where the MAC PDU includes the first data on each first logical channel and the second data on each second logical channel; and sending, by the first communications device, the MAC PDU through a direct link.
    Type: Application
    Filed: September 16, 2020
    Publication date: January 7, 2021
    Inventors: Mingchao LI, Zhenzhen CAO, Hang LIU, Hejun WANG, Yinghui YU, Xiao XIAO, Jinfang ZHANG
  • Patent number: 10880756
    Abstract: The present application discloses an information notification method, a user terminal, a first base station, and a second base station. UE receives a notification message that is sent by a first base station by using a managed first cell, where the notification message is used to instruct the UE to acquire system information of a second cell managed by a second base station; and the UE acquires, according to the received notification message, the system information of the second cell managed by the second base station. A D2D resource configuration of the second cell changes but is not read by the UE in time, resulting in a problem that the UE uses an expired D2D resource configuration.
    Type: Grant
    Filed: November 15, 2017
    Date of Patent: December 29, 2020
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Tao Zhang, Zhenzhen Cao, Bo Lin
  • Publication number: 20200389922
    Abstract: A random access method including receiving, by a user equipment, a radio resource control (RRC) connection reconfiguration message from a first network device, where the RRC connection reconfiguration message is included in a first message sent by a second network device to the first network device, and where the RRC connection reconfiguration message indicates a primary serving cell of the second network device for the user equipment, and further indicates an active bandwidth part (BWP) in the primary serving cell, and the method further including initiating, by the user equipment, a random access procedure on the active BWP.
    Type: Application
    Filed: October 29, 2018
    Publication date: December 10, 2020
    Inventors: Haibo Xu, Yiru Kuang, Zhenzhen Cao, Jian Wang, Xuelong Wang
  • Patent number: 10863308
    Abstract: An assistance data transmission method, a device, and a system are provided. The method includes: obtaining, by a network device, assistance data from a positioning data center; and sending the assistance data to a terminal device in a broadcast manner, where the assistance data is data used by the terminal device to perform positioning. The assistance data is broadcast to the terminal device in the broadcast manner.
    Type: Grant
    Filed: November 4, 2019
    Date of Patent: December 8, 2020
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Chenwan Li, Yinghui Yu, Zhenzhen Cao
  • Publication number: 20200383019
    Abstract: When a PDCP entity over a UM DRB is re-established, or when a cell handover occurs and a PDCP entity over a UM DRB uses a key used before the handover, the PDCP entity determines a first SDU, where the first SDU is an SDU that is associated with a sequence number by the PDCP entity but whose corresponding data has not been transmitted through an air interface; and delivers a PDU corresponding to the first SDU to an RLC entity.
    Type: Application
    Filed: October 28, 2018
    Publication date: December 3, 2020
    Applicant: Huawei Technologies Co., Ltd.
    Inventors: Chuting Yao, Haibo Xu, Bingzhao Li, Zhenzhen Cao, Jian Wang
  • Publication number: 20200374799
    Abstract: A timer processing method includes: receiving, by a terminal device, a first message sent by a network device, and starting or restarting a timer based on a scrambling identifier of the first message, wherein the timer is a timer used by the terminal device to switch from an active downlink BWP to a default downlink BWP, or is a timer used by the terminal device to activate a default downlink BWP and deactivate an active downlink BWP; or if an active BWP pair of the terminal device is not a default BWP pair, starting or restarting, by the terminal device, a timer based on a scrambling identifier of the first message, wherein the timer is a timer used by the terminal device to switch from the active BWP pair to the default BWP pair, or is a timer used by the terminal device to activate the default BWP pair.
    Type: Application
    Filed: January 11, 2019
    Publication date: November 26, 2020
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Yiru Kuang, Haibo Xu, Zhenzhen Cao, Bingzhao Li
  • Patent number: 10849083
    Abstract: The present invention discloses a D2D synchronization method, user equipment, and a serving cell. The method includes: acquiring, by user equipment, synchronization control information of a serving cell; acquiring an identity of a first synchronization signal sent by a first synchronization source that is obtained through searching on a second transmission carrier frequency, and signal quality of the first synchronization source; determining, according to the identity of the first synchronization signal, the signal quality of the first synchronization source, and the synchronization control information, whether to start to send a synchronization signal; sending, by the user equipment, a second synchronization signal on a third transmission carrier frequency whose frequency is different from a frequency of a carrier frequency of the serving cell, so that a problem of synchronization between different user equipments in a multi-carrier frequency transmission scenario can be resolved.
    Type: Grant
    Filed: January 16, 2018
    Date of Patent: November 24, 2020
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Mingchao Li, Guanglin Han, Zhenzhen Cao, Deping Liu
  • Patent number: 10849176
    Abstract: Information about amounts of to-be-transmitted data of a communication group may be reported to a base station, so that the base station can schedule data for the communication group. The information about the amount of the to-be-transmitted data includes identification information of the communications group, and a buffer status report of a logical channel group corresponding to the communications group.
    Type: Grant
    Filed: November 30, 2018
    Date of Patent: November 24, 2020
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Zhenzhen Cao, Mazin Ali Al-Shalash, Bo Lin, Yongqiang Gao
  • Patent number: 10849149
    Abstract: A scheduling request triggering method, apparatus, and system are disclosed. The method includes: obtaining, by a terminal device, an uplink semi-persistent scheduling resource allocated by a base station, where the uplink semi-persistent scheduling resource is used to transmit to-be-transmitted data on a logical channel of the terminal device; receiving, by the terminal device, scheduling request masking set by the base station for a first logical channel; and after determining that a triggering condition is satisfied, triggering, by the terminal device, a scheduling request via the first logical channel. In this way, when a status of data of the terminal device changes, an appropriate scheduling resource can be obtained, so as to ensure timely data transmission.
    Type: Grant
    Filed: November 19, 2018
    Date of Patent: November 24, 2020
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Xiao Xiao, Zhenzhen Cao, Yao Hua, Guanglin Han
  • Publication number: 20200367196
    Abstract: This application provides a communication method and a communications device, to change SI (system information). The method includes: receiving, by a terminal device in a radio resource control (RRC)-connected state, a paging message, where the paging message is used to indicate that broadcast information changes, the broadcast information includes at least one of system information (SI), a master information block (MIB), a system information block (SIB 1), and at least one specific SIB in other system information (OSI), the SI includes the MIB, the SIB 1, and the OSI, and the at least one specific SIB in the OSI is a SIB associated with the terminal device; and re-receiving, by the terminal device, broadcast information based on the paging message.
    Type: Application
    Filed: July 23, 2020
    Publication date: November 19, 2020
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Lei Chen, Bingzhao Li, Zhenzhen Cao, Xuelong Wang
  • Publication number: 20200344621
    Abstract: This application provides a communication method and a communications device. The method includes: determining, by a terminal device, a cell in which a beam failure occurs; and sending, by the terminal device, first indication information to a network device, where the first indication information is used to indicate the cell in which the beam failure occurs.
    Type: Application
    Filed: July 9, 2020
    Publication date: October 29, 2020
    Inventors: Bin Xu, Zhenzhen Cao, Haibo Xu, Bingzhao Li, Xuelong Wang
  • Publication number: 20200344835
    Abstract: This application provides a communication method, a communications device, and a network device. When a beam failure occurs in a secondary cell of the communications device, the communications device sends a beam failure recovery request to the network device by using a PUCCH or a MAC CE, and determines an active state time of DRX based on a status of the beam failure recovery request. The communications device may also determine a stopping time of an uplink retransmission timer based on a running status of a configured grant timer, where the DRX of the communications device is in an active state when the uplink retransmission timer works; and monitors a PDCCH when the DRX of the communications device is in the active state.
    Type: Application
    Filed: July 9, 2020
    Publication date: October 29, 2020
    Inventors: Yuchen Wang, Zhenzhen Cao, Haibo Xu, Xuelong Wang
  • Publication number: 20200322071
    Abstract: This application provides a measurement method, a terminal device, and an access network device. The measurement method includes: measuring, by a terminal device, signal quality of a plurality of beams, wherein the signal quality of the plurality of beams is obtained by using synchronization signal blocks, the signal quality of the plurality of beams comprises signal quality of a same beam at different moments, and the plurality of beams belong to one cell; and obtaining, by the terminal device, signal quality of the cell based on the signal quality of the plurality of beams. In this way, cell measurement based on a synchronization signal is implemented, and the signal quality of the cell obtained based on the signal quality of the plurality of beams at the different moments is more accurate.
    Type: Application
    Filed: June 18, 2020
    Publication date: October 8, 2020
    Inventors: Bingzhao Li, Wei Quan, Zhenzhen Cao, Xuelong Wang
  • Patent number: 10798708
    Abstract: A data transmission in a wireless network is described. The data transmission includes: determining, by a terminal device, a first configuration information. If the terminal device determines that a type-1 data and a type-2 data need to be transmitted at a same time, the terminal device allocates a first transmit power for first data based on the first configuration information. In this case, a transmission performance of a system in a high-density service scenario is improved, while a transmission quality of important data is ensured.
    Type: Grant
    Filed: May 2, 2019
    Date of Patent: October 6, 2020
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Mingchao Li, Zhenzhen Cao, Xiao Xiao, Hang Liu
  • Publication number: 20200314869
    Abstract: A scheduling request (SR) configuration method and sending method, and a corresponding apparatus are provided, to resolve a prior-art problem of a scheduling request configuration method and sending method, and a corresponding apparatus. The scheduling request configuration method includes: receiving, by a user equipment (UE), control signaling sent by a network device, where the control signaling is used to configure, for the UE, an SR configuration associated with at least one logical channel and at least two SR resource configurations associated with the SR configuration, and the SR resource configurations indicate physical resources used to signal an SR associated with the at least one logical channel; and signaling, by the UE based on a physical resource indicated by one of the at least two SR resource configurations, an SR associated with one of the at least one logical channel.
    Type: Application
    Filed: May 10, 2018
    Publication date: October 1, 2020
    Inventors: Haibo XU, Xiao XIAO, Gaokun PANG, Jian WANG, Zhenzhen CAO
  • Publication number: 20200305163
    Abstract: This application provides a data transmission method and apparatus, to improve data transmission reliability. The method includes: receiving, by a first terminal device, first indication information sent by a network device, where the first indication information is used to indicate a first preset condition, and the first preset condition is used to determine a resource used for sending data; determining, by the first terminal device from a first resource set according to the first indication information, a first resource that meets the first preset condition; and sending, by the first terminal device, first data by using the first resource.
    Type: Application
    Filed: June 11, 2020
    Publication date: September 24, 2020
    Inventors: Hang LIU, Zhenzhen CAO, Mingchao LI, Xiao XIAO