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).

  • Patent number: 10484997
    Abstract: The present invention provides a communication method to solve a problem of a failure in data receiving that arises. The method includes: sending, by a first base station, first data to UE according to first data allocation information that is determined according to a radio access capability of the UE; and sending, by a second base station according to second data allocation information that is determined by the first base station according to the radio access capability of the UE, second data to the UE; where the first base station performs carrier aggregation with the second base station, and a total amount of data that is sent by the first base station and the second base station to the UE in a same TTI does not exceed a total amount of data that can be received according to the radio access capability of the UE.
    Type: Grant
    Filed: November 24, 2015
    Date of Patent: November 19, 2019
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Jian Zhang, Qinghai Zeng, Hongping Zhang
  • Publication number: 20190342832
    Abstract: This application provides a communication method, a terminal, and an access network device. The method includes: sending, by a terminal in an RRC inactive state, first information to a first access network device, where the first information is used to indicate that the terminal is located in a wireless network area in which the terminal is in the RRC inactive state, and the first access network device is an access network device to which a cell in which the terminal is currently located belongs; receiving, by the terminal, a first message sent by the first access network device; and remaining, by the terminal, in the RRC inactive state based on the first message, or entering an idle state from the RRC inactive state based on the first message. According to the technical solutions of this application, performance of a communications system can be improved.
    Type: Application
    Filed: July 17, 2019
    Publication date: November 7, 2019
    Inventors: Hongping Zhang, Qinghai Zeng, Mingzeng Dai, Tingting Geng
  • Patent number: 10470234
    Abstract: The present disclosure provides a communication method, a network-side device, and user equipment. The method includes: receiving, by a network-side device, a radio resource control RRC connection reestablishment request message, where the RRC connection reestablishment request message is used to request to perform RRC connection reestablishment; and sending, by the network-side device, an RRC connection reestablishment indication message, where the RRC connection reestablishment indication message carries a configuration parameter, and the configuration parameter includes at least one of a signaling radio bearer SRB2 configuration parameter or a data radio bearer DRB configuration parameter. The network-side device sends only the RRC connection reestablishment indication message, thereby effectively reducing a reestablishment delay and physical resource overheads.
    Type: Grant
    Filed: February 2, 2018
    Date of Patent: November 5, 2019
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Wei Quan, Jian Zhang, Hongping Zhang, Bingzhao Li, Xun Tang, Jinhua Miao, Xiaodong Yang
  • Publication number: 20190327665
    Abstract: One example communication method includes a distributed unit (DU) receives a first indicator from a central unit (CU), where the first indicator is used to indicate that first system information is to be broadcast by the DU, the first system information is obtained by the DU from the CU and stored at the DU previously. The DU broadcasts a second indicator and the first system information, where the second indicator indicates that the first system information is being broadcast.
    Type: Application
    Filed: July 2, 2019
    Publication date: October 24, 2019
    Inventors: Tingting GENG, Hongping ZHANG, Qinghai ZENG, Yalin LIU, Yi GUO
  • Publication number: 20190327656
    Abstract: A method for a handover of a mobile station performed by a source base station and a target base station. The target base station receives a handover request message, from the source base station, in which includes QoS information of the mobile device, radio bearer identifier information of the source base station, and a first mapping relationship between a flow and a radio bearer of the source base station, the target base station acknowledges with a handover acknowledgement message. Therefore resource preparation at the target base station during a handover procedure is improved.
    Type: Application
    Filed: July 2, 2019
    Publication date: October 24, 2019
    Inventors: Lifeng HAN, Hongping Zhang, Qufang Huang, Qinghai Zeng
  • Publication number: 20190327711
    Abstract: A communication method, an access network device, and a terminal, the method comprising sending, by a first access network device, in a cell of the first access network device and corresponding to a radio network area of a terminal in a radio resource control (RRC) inactive state, and in response to the terminal in the RRC inactive state needing to be paged, a first paging message paging the terminal and sending, by the first access network device to a second access network device, a paging request message requesting to page the terminal, where the second access network device is an access network device other than the first access network device, and where the second access network device corresponds to the radio network area.
    Type: Application
    Filed: July 3, 2019
    Publication date: October 24, 2019
    Inventor: Hongping Zhang
  • Publication number: 20190327623
    Abstract: The application discloses a data transmission method, including: receiving, by UE, first indication information from a wireless access device, where the first indication information is activation indication information or deactivation indication information; and when the first indication information is the activation indication information, executing, by the UE, a processing operation; or when the first indication information is the deactivation indication information, stopping, by the UE, the processing operation; where the processing operation includes at least one of a duplication operation and a switching operation; the duplication operation means transmitting same data through a plurality of links; and the switching operation means selecting one from a plurality of links to perform data transmission.
    Type: Application
    Filed: July 3, 2019
    Publication date: October 24, 2019
    Inventors: Jing LIU, Tingting WANG, Mingzeng DAI, Hongping ZHANG, Qinghai ZENG
  • Patent number: 10425876
    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: May 17, 2017
    Date of Patent: September 24, 2019
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Mingzeng Dai, Yi Guo, Qinghai Zeng, Hongping Zhang
  • Patent number: 10420004
    Abstract: Embodiments of the present invention provide a communication method and apparatus applied to a hyper cell. The method includes: sending, by UE, an uplink reference signal; measuring, by a TP in the hyper cell, the uplink reference signal sent by the UE; and updating, by a radio access network controller based on a measurement report from the TP, a TP set that provides a communications service for the UE. According to the embodiments of the present invention, UE load and difficulty in mobility management in a hotspot area are reduced.
    Type: Grant
    Filed: August 31, 2018
    Date of Patent: September 17, 2019
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Hongping Zhang, Qinghai Zeng, Tingting Geng
  • Patent number: 10412582
    Abstract: Embodiments of the invention disclose a method for security communication of carrier aggregation between base stations, which method comprises receiving, by a user equipment, a first message to add a cell controlled by a secondary base station as a service cell sent by a primary base station; and creating, by the user equipment, a security key for communication with cells controlled by the secondary base station according to security context of the primary base station and the first message. Embodiments of the invention further disclose the corresponding user equipment and base stations. Implementation of the method and apparatus according to the present invention makes it possible to effectively protect security of data transmission of the air interface and to avoid attacks on air interface security.
    Type: Grant
    Filed: May 15, 2017
    Date of Patent: September 10, 2019
    Assignee: Huawei Technologies Co., Ltd.
    Inventor: Hongping Zhang
  • Publication number: 20190230583
    Abstract: Embodiments of this application provide an access control method, a terminal device, and a radio access network device.
    Type: Application
    Filed: March 28, 2019
    Publication date: July 25, 2019
    Inventors: Hongping Zhang, Qinghai Zeng
  • Publication number: 20190223230
    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: Application
    Filed: March 26, 2019
    Publication date: July 18, 2019
    Inventors: Hongping Zhang, Qinghai Zeng
  • Publication number: 20190215708
    Abstract: Embodiments of the present invention disclose a measurement method, including: acquiring, by user equipment, a status of using a target unlicensed frequency band by a target radio access technology RAT; and selecting, by the user equipment, a corresponding measurement mode according to the usage status to measure a radio condition of the target unlicensed frequency band. The embodiments of the present invention further disclose user equipment, a network device, and a system. In the present invention, the user equipment can accurately measure the radio condition of the unlicensed frequency band, so as to provide reference information for the network device to schedule the user equipment.
    Type: Application
    Filed: March 12, 2019
    Publication date: July 11, 2019
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Jian ZHANG, Qinghai ZENG, Hongping ZHANG
  • Patent number: 10341924
    Abstract: Embodiments of the present invention disclose a primary secondary cell change method and a base station. The primary secondary cell change method in the embodiments of the present invention includes: determining, by a primary base station, to change a first primary secondary cell served by a secondary base station, and selecting a second primary secondary cell from cells served by the secondary base station; sending, by the primary base station, a first message to the secondary base station, which is used to request the secondary base station to change the primary secondary cell, where the first message includes an identity of the second primary secondary cell; and sending, by the primary base station, a second message to a user equipment UE, which is used to request the UE to use the second primary secondary cell.
    Type: Grant
    Filed: December 9, 2014
    Date of Patent: July 2, 2019
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Qufang Huang, Hongping Zhang, Mingzeng Dai
  • Publication number: 20190182754
    Abstract: A system information broadcasting method and apparatus, and a system information receiving method and apparatus are provided.
    Type: Application
    Filed: February 15, 2019
    Publication date: June 13, 2019
    Inventors: Hongping Zhang, Mingzeng Dai, Qinghai Zeng
  • Publication number: 20190174398
    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: Application
    Filed: February 8, 2019
    Publication date: June 6, 2019
    Inventors: Tingting GENG, Hongping ZHANG, Yalin LIU
  • Publication number: 20190159196
    Abstract: By using a method for coordination between base stations, one base station allocates a resource to user equipment in a better manner with reference to resource configuration information saved in the base station and resource configuration information of another base station. The method provided in the embodiments of the present invention includes: acquiring, by a first base station, resource configuration information of a first cell, where the first cell is a cell served by the first base station; receiving resource configuration information of a second cell sent by a second base station, where the second cell is a cell served by the second base station; and allocating a resource to user equipment according to the resource configuration information of the first cell and the resource configuration information of the second cell, so that the user equipment communicates with the first cell and the second cell.
    Type: Application
    Filed: January 21, 2019
    Publication date: May 23, 2019
    Applicant: HUAWEI TECHNOLOGIES CO.,LTD.
    Inventors: Jian Zhang, Hongping Zhang, Qinghai Zeng, Yan Wang, Liangliang Zhang
  • Publication number: 20190135254
    Abstract: A method, device and system for cutting a bogie brake off are disclosed. The method includes that: when a bogie brake is not able to be relieved, a cutting-off instruction output from an Operating Control Center (OCC) is received, wherein the cutting-off instruction is used for triggering an action of cutting the bogie brake off; a logic operation is performed on the cutting-off instruction to obtain an isolation control instruction; and an electromagnetic valve corresponding to a bogie is controlled to act according to the isolation control instruction, so as to cut the bogie brake off. According to the method, the technical problem that a brake cutting-off valve is set under a passenger seat to cut a single bogie brake off in the existing urban rail vehicle, but the requirements of an unmanned vehicle cannot be met is solved.
    Type: Application
    Filed: June 12, 2017
    Publication date: May 9, 2019
    Applicant: CRRC QINGDAO SIFANG CO., LTD.
    Inventors: Xiangbo WANG, Xiaodong WANG, Hongping ZHANG, Hongguang CUI, Shoufeng WANG, Jie LIANG, Xin JIANG
  • Publication number: 20190141585
    Abstract: A method of distributing a security key context, where the method includes receiving, by a mobility management entity, a first indication from a primary base station, where the first indication is used for requesting a path switch from the mobility management entity and indicating that the path switch is triggered by carrier aggregation between base stations, processing the path switch according to the first indication, keeping, according to the first indication, the security key context for the path switch unchanged, and sending a second indication to the primary base station to indicate the primary base station to keep the security key context unchanged, or sending a third indication to the primary base station to indicate the primary base station to acquire a quantity of times of reversal of a next hop chaining counter in the security key context.
    Type: Application
    Filed: January 3, 2019
    Publication date: May 9, 2019
    Inventors: Mingzeng Dai, Jian Zhang, Qinghai Zeng, Yi Guo, Hongping Zhang
  • Publication number: 20190124515
    Abstract: The present application provides a data transmission method in a wireless communication system. A first security parameter indication is introduced into uplink data on a first bearer, and a base station can determine, based on the first security parameter indication in the uplink data, whether first security processing of the uplink data is performed using a first security parameter or a second security parameter, so as to select a corresponding security parameter to perform second security processing; and a second security parameter indication is introduced into downlink data, and UE can determine, based on the second security parameter indication in the downlink data, whether the first security processing of the data is performed using the first security parameter or the second security parameter, so as to select a corresponding security parameter to perform the second security processing.
    Type: Application
    Filed: December 14, 2018
    Publication date: April 25, 2019
    Inventors: Hongping Zhang, Le Yan, Mingzeng Dai, Qinghai Zeng, Yi Guo