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: 11916628
    Abstract: The application relates to a method for antenna port indication. A terminal receives information indicating an antenna port set of a pilot from a base station. The antenna port set is used for a resource block (RB) set and the pilot is used for data demodulation. The terminal determines the antenna port set based on the received information. By implementing the solution in the application, transmission resource utilization is improved.
    Type: Grant
    Filed: May 3, 2021
    Date of Patent: February 27, 2024
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Zhongfeng Li, Ning Wu, Yongzhao Cao
  • Patent number: 11916705
    Abstract: Embodiments of the present invention disclose a reference signal transmission method, including: sending, by a terminal, a first reference signal and a second reference signal; and correspondingly, receiving, by a network device, the first reference signal and the second reference signal, where the first reference signal is mapped to a plurality of symbols and is used for estimation of channel state information, the second reference signal is mapped to at least two of the plurality of symbols and is used for phase tracking, and a subcarrier to which the second reference signal is mapped on one of the at least two symbols has a same frequency-domain location as a subcarrier to which the second reference signal is mapped on the rest of the at least two symbols. With the foregoing solution, accuracy of channel state information estimation can be improved.
    Type: Grant
    Filed: August 20, 2021
    Date of Patent: February 27, 2024
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Yu Sun, Yi Qin, Zhongfeng Li, Leiming Zhang, Shengyue Dou
  • Patent number: 11901935
    Abstract: The present application relates to wireless communications suitable for smart manufacturing and industrial automation. In particular, the application proposes a wireless communication device (UE) and a network device (BS), in particular suitable for cyclic communication. The BS is configured to provide a first information defining a hopping sequence to a UE, and to provide a second information to the UE defining when the hopping sequence should be repeated, in particular periodically repeated. The UE is accordingly configured to receive the first information from the BS, and to receive the second information from the BS. The hopping sequence specifies at least two spatial resources and/or at least two radio resources, which the UE is configured to use for transmissions to and/or from the BS.
    Type: Grant
    Filed: April 23, 2021
    Date of Patent: February 13, 2024
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Konstantinos Manolakis, Daniel Medina, Mario Hernán Castañeda Garcia, Richard Stirling-Gallacher, Zhongfeng Li
  • Publication number: 20230422347
    Abstract: A transmitting device and a receiving device for wireless communications are provided, particularly for vehicle-to-everything (V2X) or cooperative intelligent transport systems (C-ITS) communications. The transmitting device is configured to determine more than one transmission for transmitting a packet, and transmit the packet to a receiving device and/or a group of receiving devices using the determined transmissions. The receiving device is configured to receive a packet in more than one transmission from a transmitting device, and combine the transmissions to obtain the packet. Corresponding transmitting and receiving methods are also provided.
    Type: Application
    Filed: June 26, 2023
    Publication date: December 28, 2023
    Inventors: Zhongfeng Li, Yilin Li, Jian Luo, Richard Stirling-Gallacher
  • Patent number: 11818077
    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: Grant
    Filed: February 11, 2020
    Date of Patent: November 14, 2023
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Mengying Ding, Yuanzhou Hu, Yi Qin, Zhongfeng Li, Min Zhang, Weimin Xiao, Shengyue Dou
  • Publication number: 20230353322
    Abstract: Embodiments of this application provide a data transmission method and a device. The method includes: obtaining, by a terminal, first indication information or second indication information, where the first indication information is used to indicate that a reference signal is carried in a resource unit, and the second indication information is used to indicate that no reference signal is carried in a resource unit; and performing, by the terminal, data transmission according to the first indication information or the second indication information. The reference signal can be properly configured in the embodiments.
    Type: Application
    Filed: April 21, 2023
    Publication date: November 2, 2023
    Inventors: Zhongfeng Li, Yongzhao Cao
  • Publication number: 20230276326
    Abstract: A method for operating a relay node during a handoff from a first controller to a second controller includes receiving a first instruction from the first controller to discontinue using a first set of wireless backhaul link resources allocated to the relay node by the first controller and to temporarily use a second set of wireless backhaul link resources dedicated by the second controller. The method also includes receiving a second instruction from the second controller to discontinue using the second set of wireless backhaul link resources and to begin using a third set of wireless backhaul link resources allocated to the relay node by the second controller.
    Type: Application
    Filed: February 10, 2023
    Publication date: August 31, 2023
    Applicant: Futurewei Technologies, Inc.
    Inventors: Philippe Sartori, Zhongfeng Li, Anthony C.K. Soong
  • Patent number: 11729862
    Abstract: The present disclosure presents a transmitting device and receiving device for wireless communications, particularly for vehicle-to-everything V2X or cooperative intelligent transport systems (C-ITS) communications. The transmitting device is configured to determine more than one transmission for transmitting a packet, and transmit the packet to a receiving device and/or a group of receiving devices using the determined transmissions. The receiving device is configured to receive a packet in more than one transmission from a transmitting device, and combine the transmissions to obtain the packet. The disclosure also relates to corresponding transmitting and receiving methods.
    Type: Grant
    Filed: October 19, 2020
    Date of Patent: August 15, 2023
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Zhongfeng Li, Yilin Li, Jian Luo, Richard Stirling-Gallacher
  • Publication number: 20230171035
    Abstract: A data transmission method and an apparatus are provided. A transmit device sends a plurality of pieces of data, wherein different data in the data occupies different transmission resources. A first receive device in a multicast group receives the data; determines a first feedback message based on a decoding result of the data; feeds back the first feedback message to the transmit device which distinguishes, based on the first feedback message, which data in the plurality of pieces of data is correctly decoded by the multicast group and which data is not, wherein the first feedback message indicates whether the first receive device correctly decodes the data; and performs network encoding transmission on the incorrectly decoded data, thereby improving retransmission efficiency, reducing a delay, and saving feedback resources.
    Type: Application
    Filed: January 31, 2023
    Publication date: June 1, 2023
    Inventors: Zhongfeng Li, Zhe Liu
  • Patent number: 11653238
    Abstract: Example methods and devices are disclosed. One example method includes receiving, by a first device, configuration information from a second device, where the configuration information is used by the first device to report information about an association relationship between a zero power-reference signal resource and a non-zero power-reference signal resource. The first device can then report the information about the association relationship based on the configuration information.
    Type: Grant
    Filed: December 16, 2019
    Date of Patent: May 16, 2023
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Yi Qin, Yu Sun, Zhongfeng Li, Chi Zhang, Ming Wu
  • Patent number: 11637676
    Abstract: Embodiments of this application provide a data transmission method and a device. The method includes: obtaining, by a terminal, first indication information or second indication information, where the first indication information is used to indicate that a reference signal is carried in a resource unit, and the second indication information is used to indicate that no reference signal is carried in a resource unit; and performing, by the terminal, data transmission according to the first indication information or the second indication information. The reference signal can be properly configured in the embodiments.
    Type: Grant
    Filed: July 26, 2021
    Date of Patent: April 25, 2023
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Zhongfeng Li, Yongzhao Cao
  • Patent number: 11582665
    Abstract: A method for operating a relay node during a handoff from a first controller to a second controller includes receiving a first instruction from the first controller to discontinue using a first set of wireless backhaul link resources allocated to the relay node by the first controller and to temporarily use a second set of wireless backhaul link resources dedicated by the second controller. The method also includes receiving a second instruction from the second controller to discontinue using the second set of wireless backhaul link resources and to begin using a third set of wireless backhaul link resources allocated to the relay node by the second controller.
    Type: Grant
    Filed: December 10, 2018
    Date of Patent: February 14, 2023
    Assignee: Futurewei Technologies, Inc.
    Inventors: Philippe Sartori, Zhongfeng Li, Anthony C. K. Soong
  • Patent number: 11569959
    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: January 13, 2022
    Date of Patent: January 31, 2023
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Yi Qin, Binbin Zhang, Zhongfeng Li, Min Zhang
  • Patent number: 11528710
    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: Grant
    Filed: May 15, 2020
    Date of Patent: December 13, 2022
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Yibin Zhuo, Zhongfeng Li, Yi Qin
  • Patent number: 11516626
    Abstract: A base station is configured to: configure a transmission group including at least two User Equipments (UEs), and transmit a signal to at least one of UEs in the transmission group. The signal includes information about a feedback to be received from at least one of the UEs in the transmission group. The feedback includes information about the UEs in the transmission group. A UE is configured to: receive a signal from a base station, in particular a gNB. The signal includes information about a feedback to be reported to the base station from at least one of the UE or another UE in a transmission group configured by the base station. The transmission group includes at least two UEs.
    Type: Grant
    Filed: March 1, 2021
    Date of Patent: November 29, 2022
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Mate Boban, Richard Stirling-Gallacher, Martin Schubert, Zhongfeng Li
  • Patent number: 11463226
    Abstract: This application describes a resource indication method and a communications device. A resource indication method may include sending, by a first device, first indication information to a second device in an nth time unit, where the first indication information indicate a first time domain resource of a first link or a second link in an (n+k0)th time unit to an (n+k1)th time unit. In the method, the first link is a link between the first device and the second device, the second link is a link between the second device and a third device, k0 is an integer greater than or equal to 0 and less than or equal to k1, and k1 is an integer.
    Type: Grant
    Filed: October 31, 2019
    Date of Patent: October 4, 2022
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Yi Qin, Zhongfeng Li, Yi Ren, Zhihang Li, Liuliu Ji, Jian Luo
  • Patent number: 11445484
    Abstract: A method, device, and storage medium are disclosed that determine beam information of an antenna port for a frequency domain resource not used for transmitting uplink data and/or uplink control information. In one embodiment, a first device determines, based on first configuration information, that a beam for sending a first uplink reference signal on a first antenna port is also a beam for sending a second uplink reference signal on a second antenna port, and sends the first uplink reference signal on the first antenna port. Beam information of the first antenna port can be determined based on beam information of the second antenna port, and the first uplink reference signal can be sent based on the determined beam information of the first antenna port. This can spare beam configuration performed by a network side for the first frequency domain resource, and reduce overheads for transmitting configuration information.
    Type: Grant
    Filed: August 15, 2019
    Date of Patent: September 13, 2022
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Yi Qin, Zhongfeng Li, Hao Tang, Fan Wang
  • Patent number: 11438081
    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: Grant
    Filed: December 13, 2019
    Date of Patent: September 6, 2022
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Yi Qin, Ming Wu, Zhongfeng Li, Chi Zhang
  • Patent number: 11431453
    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: September 14, 2020
    Date of Patent: August 30, 2022
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Yi Qin, Hua Li, Zhongfeng Li
  • Patent number: 11337189
    Abstract: This application provides a terminal, a network device, and a communication method performed by the terminal and the network device. The communication method includes: The terminal sends first uplink control information by using a plurality of spatial resources in a first spatial resource set, and the network device receives the first uplink control information by using the plurality of spatial resources in the first spatial resource set. According to the terminal, the network device, and the communication method performed by the terminal and the network device provided in this application, when the terminal can transmit uplink control information by using beams, transmission reliability of the uplink control information can be improved, thereby improving communication reliability.
    Type: Grant
    Filed: August 2, 2019
    Date of Patent: May 17, 2022
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Hua Li, Zhongfeng Li, Yi Qin