Patents by Inventor Zhongfeng Li

Zhongfeng Li 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: 10880050
    Abstract: This application provides a HARQ codebook generation method and a related device. The method includes: receiving, by a terminal, first information, where the first information is used to indicate carriers configured by the access network device for the terminal, the configured carriers include a first carrier and a second carrier, HARQ feedback information of the first carrier and HARQ feedback information of the second carrier are transmitted on an uplink control channel of the first carrier, and a transmission time unit length of the first carrier is not equal to a transmission time unit length of the second carrier; and generating, by the terminal based on HARQ timing of the configured carriers and a relationship between the transmission time unit length of the first carrier and the transmission time unit length of the second carrier, a HARQ codebook transmitted on the uplink control channel of the first carrier.
    Type: Grant
    Filed: May 1, 2019
    Date of Patent: December 29, 2020
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Hao Tang, Zhongfeng Li, Jinlin Peng
  • Patent number: 10869326
    Abstract: The present invention provides a scheduling information transmission method and apparatus. The method includes: allocating, by a network device, a level-one dedicated channel and a level-two dedicated channel to a target terminal device; sending, by the network device, indication information of the level-one dedicated channel by using a preset first time-frequency resource; sending, by the network device, indication information of the level-two dedicated channel to the target terminal device by using the level-one dedicated channel; and sending, by the network device, dedicated scheduling information for the target terminal device to the target terminal device by using the level-two dedicated channel. Therefore, scheduling information transmission flexibility can be improved, and system performance and user experience can be improved.
    Type: Grant
    Filed: May 11, 2018
    Date of Patent: December 15, 2020
    Assignee: HUAWEI TECHNOLOGIES CO.. LTD.
    Inventors: Zhongfeng Li, Ning Wu, Yongzhao Cao
  • Patent number: 10862642
    Abstract: A wireless communication method and apparatus are disclosed. In an embodiment a wireless communication method includes determining, by a terminal device, based on N first ports, within a first time unit for a first channel or a first signal, M second ports within the first time unit for a second channel or a second signal, wherein T?N?1, T?M?1, and wherein T is a maximum number of ports usable at the same time unit by the terminal device during sending, sending, by the terminal device, within the first time unit, the first channel or the first signal by using the N first ports and sending, by the terminal device, within the first time unit, the second channel or the second signal by using the M second ports.
    Type: Grant
    Filed: December 28, 2018
    Date of Patent: December 8, 2020
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Hua Li, Zhongfeng Li
  • Patent number: 10856268
    Abstract: Embodiments of the present disclosure includes example subframe configuration methods and related devices. One example method includes configuring, by a network-side device, a target subframe, where the target subframe includes at least one sounding reference signal (SRS) symbol used to send an SRS signal. The network-side device can then send first configuration signaling to a terminal device, where the first configuration signaling includes a resource configuration of the target subframe or an SRS configuration of the target subframe.
    Type: Grant
    Filed: December 21, 2018
    Date of Patent: December 1, 2020
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Yi Qin, Hua Li, Zhongfeng Li
  • Publication number: 20200374074
    Abstract: A signal sending and receiving method includes: receiving, by a terminal device, at least one piece of resource configuration information for determining N reference signal resource groups, and each of the N reference signal resource groups includes at least one reference signal resource; and sending a reference signal on a resource in an ith reference signal resource group in the N reference signal resource groups by using a jth antenna group corresponding to the ith reference signal resource group, where the jth antenna group includes at least one antenna. The N reference signal resource groups correspond to N antenna groups, and any two of the N antenna groups are different.
    Type: Application
    Filed: August 12, 2020
    Publication date: November 26, 2020
    Inventors: Yi QIN, Binbin ZHANG, Zhongfeng LI, Min ZHANG
  • Patent number: 10834728
    Abstract: A method for indicating quasi co-location indication information and a device are provided, to diversify reference signal types and reference signal configuration information that are indicated by QCL. The method includes: generating, by a base station, reference signal configuration information; performing, by the base station based on the reference signal configuration information, quasi co-location QCL assumption on reference signals corresponding to at least two antenna ports in reference signals, to generate QCL indication information; and sending, by the base station, the QCL indication information to a terminal.
    Type: Grant
    Filed: March 29, 2019
    Date of Patent: November 10, 2020
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Zhongfeng Li, Xinxian Li, Ning Wu, Yi Qin, Yu Sun
  • Publication number: 20200337115
    Abstract: Example relay transmission methods and apparatus are described. One example method includes receiving first information by a first relay node, where the first information includes information about a second resource of a second relay node. The first relay node sends second information to a terminal, where the second information includes the information about the second resource. The second information further includes information about a first resource of the first relay node.
    Type: Application
    Filed: July 6, 2020
    Publication date: October 22, 2020
    Inventors: Yi QIN, Yibin ZHUO, Zhongfeng LI, Yu SUN
  • Patent number: 10778393
    Abstract: This application discloses a reference signal transmission method and an apparatus. A network node sends reference signals by mapping the reference signals to at least one resource unit, where the at least one resource unit includes a plurality of sub-resource units; and the network node receives, from the terminal, measurement information related to part of the plurality of sub-resource units. The terminal selects, based on configuration information of the reference signals, part of the measurement information to report, so that a quantity of channel resources occupied by the measurement information is reduced.
    Type: Grant
    Filed: May 31, 2019
    Date of Patent: September 15, 2020
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Yi Qin, Hua Li, Zhongfeng Li
  • Patent number: 10779281
    Abstract: A data transmission method is provided to expand coverage of a broadcast channel, including: determining, by a base station, a plurality of data blocks carried on N broadcast channels, where an ith broadcast channel in the N broadcast channels corresponds to an ith antenna port (group) in N antenna ports (group); scrambling, by the base station, the data blocks carried on the N broadcast channels, to obtain scrambled code blocks carried on the N broadcast channels; and sending, by the base station on different time resource units by respectively using the N antenna ports, corresponding scrambled code blocks carried on the broadcast channels, or sending, by the base station on different time resource units by respectively using the N antenna port groups, corresponding scrambled code blocks carried on the broadcast channels.
    Type: Grant
    Filed: June 3, 2018
    Date of Patent: September 15, 2020
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Zhongfeng Li, Ning Wu, Youtuan Zhu, Yongzhao Cao
  • Patent number: 10771219
    Abstract: A signal sending and receiving method includes: receiving, by a terminal device, at least one piece of resource configuration information for determining N reference signal resource groups, and each of the N reference signal resource groups includes at least one reference signal resource; and sending a reference signal on a resource in an ith reference signal resource group in the N reference signal resource groups by using a jth antenna group corresponding to the ith reference signal resource group, where the jth antenna group includes at least one antenna. The N reference signal resource groups correspond to N antenna groups, and any two of the N antenna groups are different.
    Type: Grant
    Filed: October 16, 2019
    Date of Patent: September 8, 2020
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Yi Qin, Binbin Zhang, Zhongfeng Li, Min Zhang
  • Publication number: 20200280830
    Abstract: A transmitting device includes a plurality of antenna ports. Each antenna port is configured to transmit signals and is arranged at a different location, and each antenna port is assigned, depending on its location, a unique resource from a set of resources for signal transmission. Further, a receiving device, preferably on a vehicle, includes at least one antenna element configured to receive signals, and at least one processor configured to determine position and/or orientation information of the transmitting device of a received signal based on a resource from the set of resources for signal transmission.
    Type: Application
    Filed: May 18, 2020
    Publication date: September 3, 2020
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Richard STIRLING-GALLACHER, Zhongfeng LI, Mario CASTANEDA, Jian LUO, Chan ZHOU, Konstantinos MANOLAKIS
  • Publication number: 20200280993
    Abstract: A time domain resource indication method includes sending, by a first node, first time domain resource configuration information to at least one second node. The first time domain resource configuration information is used by the at least one second node to determine second time domain resource configuration information sent by the at least one second node to at least one third node. The first time domain resource configuration information indicates first time domain resources of a link between the first node and the at least one second node. The second time domain resource configuration information indicates second time domain resources of a link between the at least one second node and the at least one third node.
    Type: Application
    Filed: May 15, 2020
    Publication date: September 3, 2020
    Inventors: Yibin ZHUO, Zhongfeng LI, Yi QIN
  • Patent number: 10750487
    Abstract: A wireless communications method is provided and applied to a communications system using a frequency domain resource with a specified bandwidth. The frequency domain resource is divided into at least two frequency domain resource groups, each frequency domain resource group includes at least one resource block, the at least two frequency domain resource groups belong to a same cell. The method includes: determining, from the at least two frequency domain resource groups, a target frequency domain resource group to be allocated to a target terminal device, where the target frequency domain resource group includes at least one frequency domain resource group; sending first indication information to the target terminal device, where the first indication information is used to indicate the target frequency domain resource group; and performing wireless communication with the target terminal device by using the target frequency domain resource group. Therefore, different user requirements can be flexibly met.
    Type: Grant
    Filed: June 1, 2018
    Date of Patent: August 18, 2020
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Zhongfeng Li, Liang Xu, Ning Wu, Yongzhao Cao
  • Patent number: 10721759
    Abstract: Embodiments of the present invention provide a method for transmitting uplink data, user equipment, and a base station. The method includes: when user equipment UE correctly receives, in a subframe n, downlink control signaling used for instructing the UE to transmit a physical uplink shared channel PUSCH, determining, by the UE according to the downlink control signaling and a subframe bundling configuration, a bundled subframe for transmitting the PUSCH, where the subframe bundling configuration includes a quantity of bundled subframes; and transmitting the PUSCH in the bundled subframe. In the embodiments of the present invention, a bundled subframe is introduced, which increases scheduling resources for a PUSCH, and enhances coverage performance of a signal.
    Type: Grant
    Filed: May 24, 2018
    Date of Patent: July 21, 2020
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Zhongfeng Li, Zhenfei Tang
  • Publication number: 20200220355
    Abstract: A chained multi-port grid-connected interface apparatus includes a commutation chain, at least one direct-current converter, and at least one direct-alternating converter. The commutation chain is formed by at least two sub-module units connected in series in the same direction, one end of the direct-current converter is connected to a direct-current end of the sub-module unit, and the other end is a direct-current interaction port of the chained multi-port grid-connected interface apparatus. A direct-current connection end of the direct-alternating converter is connected to the direct-current end of the sub-module unit, and an alternating-current connection end is an alternating-current interaction port of the chained multi-port grid-connected interface apparatus.
    Type: Application
    Filed: April 19, 2018
    Publication date: July 9, 2020
    Applicants: NR Electric Co., Ltd, NR Engineering Co., Ltd
    Inventors: Yeyuan XIE, Yu WANG, Haiying LI, Jianyang LIAN, Zhongfeng ZHANG, Jie TIAN
  • Publication number: 20200177353
    Abstract: This application provides a reference signal sending and receiving method, a network device, a terminal device, and a system, to be applicable to resource configuration for an SRS in NR. The method includes: sending, by a terminal device, a sounding reference signal SRS based on a location of a starting subcarrier for transmitting the SRS, where the location of the starting subcarrier for transmitting the SRS is determined by an offset of a sounding region, the offset of the sounding region indicates a resource offset between a starting subcarrier of the sounding region and a starting subcarrier of a bandwidth part BWP of the terminal device, and the sounding region is a resource that can be used to transmit the SRS.
    Type: Application
    Filed: February 11, 2020
    Publication date: June 4, 2020
    Inventors: Mengying DING, Yuanzhou HU, Yi QIN, Zhongfeng LI, Min ZHANG, Weimin XIAO, Shengyue DOU
  • Patent number: 10674503
    Abstract: Embodiments of the present invention disclose a PUSCH transmission method and apparatus. The method includes: sending, in a first subframe, downlink control signaling that instructs user equipment UE to transmit a physical uplink shared channel PUSCH, where the downlink control signaling carries downlink control information, and the downlink control information is used to indicate a subframe for transmitting the PUSCH, where the subframe for transmitting the PUSCH is any one of or any combination of N subframes, the N subframes include a special subframe, and N is an integer not less than 1; and receiving the PUSCH in the subframe indicated by the downlink control information. It can be seen that, in the embodiments of the present invention, a subframe in which a PUSCH is transmitted and that is indicated by downlink control information includes a special subframe; therefore, the special subframe can be scheduled to transmit the PUSCH.
    Type: Grant
    Filed: December 22, 2016
    Date of Patent: June 2, 2020
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Zhongfeng Li, Zhenfei Tang
  • Publication number: 20200163097
    Abstract: This application provides a communication method, a network device, and a relay device. A first network device determines a first resource, where the first resource includes a resource used by a second network device to send a first signal to a second relay device, or the first resource includes a resource configured by the second network device for a first signal with zero power. The first network device sends first configuration information to a first relay device, where the first configuration information is used by the first relay device to determine a second resource for sending a second signal, and the second resource is a part or all of the first resource. According to embodiments of this application, relay devices can discover each other, thereby improving signal transmission efficiency.
    Type: Application
    Filed: January 23, 2020
    Publication date: May 21, 2020
    Inventors: Yi QIN, Zhongfeng LI, Yi REN
  • Publication number: 20200119821
    Abstract: This application discloses a signal transmission method. The method may include: receiving, by a first device, reference configuration information for a signal resource sent by a second device, where the reference signal is used to measure interference between a first link and a second link, the first link is a link between the first device and a fourth device, the second link is a link between the second device and a third device, and the first device and the second device are relay nodes between the third device and the fourth device; and sending or receiving, by the first device, a reference signal on a reference signal resource indicated by the resource configuration information for the signal resource.
    Type: Application
    Filed: December 13, 2019
    Publication date: April 16, 2020
    Inventors: Yi Qin, Ming Wu, Zhongfeng Li, Chi Zhang
  • Publication number: 20200119899
    Abstract: This application provides a communication method, a terminal, and a network device. The method includes: receiving, by a terminal, indication information from a network device, where the indication information includes an identifier of at least one reference signal; and determining, by the terminal, that there is a correspondence between a resource used to send a first channel and a first reference signal of the at least one reference signal, where the first channel is a channel to be transmitted by the terminal, and there is a spatial quasi co-location QCL relationship between a port of the first channel and a port of the first reference signal, or there is a spatial QCL relationship between a port of a demodulation reference signal DMRS of the first channel and a port of the first reference signal.
    Type: Application
    Filed: December 13, 2019
    Publication date: April 16, 2020
    Inventors: Yi QIN, Zhongfeng LI, Shengyue DOU