Patents by Inventor Xiangdong Zhang

Xiangdong 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: 11006468
    Abstract: One example relay implementation method includes setting up a first bearer to a second terminal, where the first terminal serves as a relay device between the second terminal and a base station, receiving, by using the first bearer, a service request message, forwarding the service request message to the base station, receiving a first service response message sent by the base station, forwarding the first service response message to the second terminal by using the first bearer, where the first service response message comprises first configuration information, and the first configuration information is configuration information of bearers between the base station and the second terminal, and setting up a second bearer to the second terminal and a third bearer to the base station according to fourth configuration information, where the second bearer and the third bearer serve as the bearers between the second terminal and the base station.
    Type: Grant
    Filed: January 27, 2017
    Date of Patent: May 11, 2021
    Assignee: Huawei Technologies Co., Ltd.
    Inventor: Xiangdong Zhang
  • Patent number: 10993258
    Abstract: The present disclosure provides an information transmission method, a base station, and user equipment. The method includes: receiving a random access preamble sent by user equipment (UE); generating first information according to the received random access preamble, where the first information is random access response information, and the first information includes at least one of the following information: narrowband indication information used for transmission of a control channel, initialization parameter indication information of a demodulation reference signal scrambling sequence initialization parameter used for transmission of the control channel, coverage enhancement level indication information used for transmission of the control channel, or resource allocation information used for transmission of second information, where the second information is response information to the first information; and sending the first information to the UE.
    Type: Grant
    Filed: June 24, 2020
    Date of Patent: April 27, 2021
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Zheng Yu, Xiangdong Zhang
  • Patent number: 10992308
    Abstract: An in-situ delay measurement is performed for an envelope-tracking power amplifier of an RF input signal. Because the delay measurement is in-situ, the delay measurement avoids the necessity to down convert and digitize a version of an RF output signal from the envelope-tracking power amplifier.
    Type: Grant
    Filed: April 29, 2020
    Date of Patent: April 27, 2021
    Assignee: QUALCOMM Incorporated
    Inventors: Chirag Sthalekar, Leon Metreaud, Hakan Inanoglu, Xiangdong Zhang
  • Patent number: 10984816
    Abstract: A voice enhancement method and apparatus of a smart device and a smart device are disclosed. The method comprises: monitoring and collecting a voice signal sent by a user in real time; determining a direction of the user according to the voice signal; collecting a depth image in the direction of the user; determining a sound source direction of the user according to the depth image; and adjusting a beamforming direction of a microphone array on the smart device according to the sound source direction of the user, and performing enhancement processing on the voice signal.
    Type: Grant
    Filed: July 5, 2018
    Date of Patent: April 20, 2021
    Assignee: GOERTEK INC.
    Inventors: Jian Zhu, Xiangdong Zhang, Zhenyu Yu, Zhiping Luo, Dong Yan
  • Patent number: 10979002
    Abstract: Certain aspects of the present disclosure provide methods and apparatus for current-limiting protection of an amplifier, such as a power amplifier in a radio frequency (RF) front-end. One example current-limiting circuit generally includes a node coupled to a current source, a plurality of current-sinking devices coupled to the node, one or more switches coupled between the node and at least one of the plurality of current-sinking devices, and a bias circuit having an input coupled to the node and an output for coupling to an input of the amplifier.
    Type: Grant
    Filed: July 10, 2018
    Date of Patent: April 13, 2021
    Assignee: QUALCOMM INCORPORATED
    Inventors: Jing-Hwa Chen, Jisun Ryu, Yan Kit Gary Hau, Yanjie Sun, Xinwei Wang, Xiangdong Zhang
  • Patent number: 10946529
    Abstract: A method for charging a service robot and a service robot are disclosed. The method comprises: collecting an audio signal generated by a sound source of a charging pile; determining a direction of the sound source according to the collected audio signal; controlling a robot main body to move toward the direction of the sound source, to shorten a distance between the robot main body and the charging pile; judging whether the infrared receiver array has received an infrared pulse signal emitted by the infrared emitter array of the charging pile; and when the infrared receiver array has received the infrared pulse signal, controlling the robot main body to move toward a direction of the charging pile according to the infrared pulse signal, to engage a charging component of the robot main body with a charging contact element of the charging pile.
    Type: Grant
    Filed: May 23, 2018
    Date of Patent: March 16, 2021
    Assignee: GOERTEK INC.
    Inventors: Jian Zhu, Xiangdong Zhang, Zhenyu Yu, Zhiping Luo, Dong Yan
  • Publication number: 20210058894
    Abstract: A paging message transmission method and apparatus are described. The method can include sending, by an access network device, a first paging message to a terminal device on a first paging occasion, where the first paging message comprises a first identifier and a preset time point for sending a second paging message, the first identifier indicates the first paging message is a short message, and the second paging message is a message for terminal paging. The method can also include sending, by the access network device to the terminal device at the preset time point, scheduling information corresponding to the second paging message, and sending the second paging message on a time-frequency resource corresponding to the scheduling information.
    Type: Application
    Filed: November 6, 2020
    Publication date: February 25, 2021
    Inventors: Junwei WANG, Xiangdong ZHANG
  • Publication number: 20210058867
    Abstract: One example method includes receiving, by a first node, a first message from a second node, wherein the first message is used to page a third node, instruct the third node to access a network, instruct the first node to provide a relay serving for the third node, instruct to set the third node to a low configuration mode, instruct to set the third node to a high configuration mode, or instruct to update system information. The first node can send a second message to a third node, where the second message is used to instruct the third node to access a network, instruct the third node to perform communication with a second node by using the first node, instruct to set the third node to a low configuration mode, instruct to set the third node to a high configuration mode, or instruct the third node to update system information.
    Type: Application
    Filed: November 5, 2020
    Publication date: February 25, 2021
    Inventors: Liangliang ZHANG, Xiangdong ZHANG
  • Publication number: 20210041896
    Abstract: The present disclosure provides a method for controlling a drone, a drone, and a system. The method for controlling a drone comprises: determining operating parameters of a moving platform according to field-of-view images containing the moving platform collected at any two different moments and flight parameters of the drone; calculating a time-varying tracking position of the moving platform based on the operating parameters; controlling the drone to track the moving platform according to the time-varying tracking position of the moving platform; and controlling the drone to perform a landing operation according to a relative position of the moving platform and the drone during tracking. The technical solutions according to the present disclosure have high landing accuracy, rely less on device performance and have high versatility.
    Type: Application
    Filed: August 14, 2019
    Publication date: February 11, 2021
    Inventors: Xueqiang WANG, Mengmeng WANG, Lu BAI, Xiangdong ZHANG
  • Patent number: 10912076
    Abstract: Embodiments of the present invention provide a physical downlink control channel transmission method and apparatus. The transmission method includes: obtaining, by UE, a parameter set for transmitting a first physical downlink control channel, where the first physical downlink control channel is used for sending same downlink control information DCI in at least R subframes; determining, by the UE according to the parameter set, N candidate locations for transmitting the first physical downlink control channel by a base station, where the candidate location includes the R subframes; monitoring, by the UE at the N candidate locations, whether the base station sends the first physical downlink control channel; and receiving, by the UE at a first candidate location, the first physical downlink control channel sent by the base station, where the N candidate locations include the first candidate location.
    Type: Grant
    Filed: April 17, 2020
    Date of Patent: February 2, 2021
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Jinhuan Xia, Brian Classon, Xiangdong Zhang
  • Patent number: 10880818
    Abstract: Provided is a network side device for a system message, including a determining unit and a transmission unit. The determining unit is configured to determine configuration information, where the configuration information is used to indicate a system message transmission configuration in a system message window; and the transmission unit is configured to send a system message on a resource indicated by the configuration information, so that a terminal device receives the system message according to the configuration information. In addition, another coverage enhancement transmission apparatus for a system message and a coverage enhancement transmission system and method for a system message are further provided.
    Type: Grant
    Filed: July 22, 2016
    Date of Patent: December 29, 2020
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Xiangdong Zhang, Zheng Yu
  • Publication number: 20200404619
    Abstract: This application provides a paging message transmission method and relates to the field of communications technologies, to resolve a problem of waste of a downlink time-frequency resource. The method includes: determining, by a network device, that a communications device is in a beam update mode; then determining, by the network device, a second beam based on beam information reported by the communications device, where the beam information includes information about at least one receive beam, and the information about the at least one receive beam includes information about the second beam; and finally sending, by the network device, a paging message to the communications device over a first beam, where the first beam corresponds to the second beam. This application is applicable to a paging message transmission process.
    Type: Application
    Filed: September 9, 2020
    Publication date: December 24, 2020
    Inventors: Xiangdong ZHANG, Junren CHANG
  • Publication number: 20200404647
    Abstract: In one embodiment, an apparatus includes a memory comprising instructions and a processor in communications with the memory. The processor is configured to execute the instructions to determine a reference signal received power of user equipment (UE). In response to determining that the reference signal received power is less than or equal to a threshold, it is determined that the UE supports sending a physical random access channel, receiving a random access response message, sending a random access response acknowledgment message, and receiving a contention resolution message. In response to determining that the reference signal received power is above the threshold, it is determined that the UE supports sending the physical random access channel, and receiving the contention resolution message, and it is determined that the UE does not support sending the random access response acknowledgment message and receiving the random access response message.
    Type: Application
    Filed: September 3, 2020
    Publication date: December 24, 2020
    Inventors: Zheng Yu, Brian Classon, Fang Nan, Xiangdong Zhang
  • Patent number: 10873971
    Abstract: An information transmission method includes: receiving a random access preamble sent by user equipment (UE); generating first information according to the received random access preamble, where the first information is information about a random access response to the random access preamble, and the first information includes at least one of the following information: timing advance indication information, indication information of a narrowband resource used for transmission of a control channel, indication information of a subframe used for transmission of the control channel, indication information of a demodulation reference signal scrambling sequence initialization parameter used for transmission of the control channel, indication information of a coverage enhancement level used for transmission of the control channel, or resource allocation information used for transmission of second information, where the second information is information about a response to the first information; and sending the first
    Type: Grant
    Filed: February 13, 2018
    Date of Patent: December 22, 2020
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Zheng Yu, Xiangdong Zhang
  • Patent number: 10863438
    Abstract: Embodiments of the present application provide a communication method, including: the first node sends the second message to the third node, where the second message is used to instruct the third node to perform a corresponding operation. This resolves a problem of relatively high power consumption generated when the third node needs to periodically listen to a message sent by the second node when the third node performs D2D communication in a D2D communication process, and achieves an objective and an effect of effectively saving power when the third node receives information sent by the second node during D2D communication.
    Type: Grant
    Filed: February 6, 2019
    Date of Patent: December 8, 2020
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Liangliang Zhang, Xiangdong Zhang
  • Patent number: 10852445
    Abstract: An unmanned aerial vehicle (UAV) communication method and device and a UAV are disclosed.
    Type: Grant
    Filed: June 8, 2018
    Date of Patent: December 1, 2020
    Assignee: GOERTEK INC.
    Inventors: Jian Zhu, Xiangdong Zhang, Zhenyu Yu, Zhiping Luo, Dong Yan
  • Patent number: 10848865
    Abstract: A method and device for sound source positioning using a microphone array. The method comprises: determining a horizontal axis that a microphone array rotates around as a reference axis; calculating, according to a sound emitted by a sound source that is collected by the microphone array, to obtain a first sound source estimated value indicating a sound source position in a three-dimensional space; acquiring an inclination angle between a plane in which the microphone array is located when it is rotating and a horizontal plane in which the reference axis is located; and according to the first sound source estimated value and the inclination angle, calculating out a second sound source estimated value on a horizontal plane corresponding to the first sound source estimated value, and using the second sound source estimated value as the determined sound source position.
    Type: Grant
    Filed: December 8, 2017
    Date of Patent: November 24, 2020
    Assignee: Weifang Goertek Microelectronics Co., Ltd.
    Inventors: Jian Zhu, Xiangdong Zhang, Zhiping Luo, Dong Yan, Zhuo Chen
  • Publication number: 20200344654
    Abstract: A handover method, a terminal device, and a network device are provided. The method implemented by a terminal device includes: determining, a first measurement report triggering threshold based on threshold configuration information including first information or threshold update information, and the first information includes at least one cell quality change rate threshold and at least two measurement report triggering thresholds; sending, a first measurement report to a first network device based on the first measurement report triggering threshold; and receiving, a first handover command from the first network device, where the first handover command instructs to hand over the terminal device from the first network device to a second network device.
    Type: Application
    Filed: July 9, 2020
    Publication date: October 29, 2020
    Inventors: Baoqiang ZHAO, Junren CHANG, Xiangdong ZHANG
  • Publication number: 20200329492
    Abstract: The present disclosure provides an information transmission method, a base station, and user equipment. The method includes: receiving a random access preamble sent by user equipment (UE); generating first information according to the received random access preamble, where the first information is random access response information, and the first information includes at least one of the following information: narrowband indication information used for transmission of a control channel, initialization parameter indication information of a demodulation reference signal scrambling sequence initialization parameter used for transmission of the control channel, coverage enhancement level indication information used for transmission of the control channel, or resource allocation information used for transmission of second information, where the second information is response information to the first information; and sending the first information to the UE.
    Type: Application
    Filed: June 24, 2020
    Publication date: October 15, 2020
    Applicant: HUAWEI TECHNOLOGIES CO.,LTD.
    Inventors: Zheng Yu, Xiangdong Zhang
  • Patent number: 10798699
    Abstract: Embodiments of the present disclosure disclose a physical downlink control channel sending method. The method includes: sending configuration information of a first physical downlink control channel on a predefined resource, where the configuration information of the first physical downlink control channel is used to indicate manners of sending and receiving the first physical downlink control channel; and sending the first physical downlink control channel according to the configuration information of the first physical downlink control channel. Correspondingly, the embodiments of the present disclosure further disclose a physical downlink control channel receiving method, a base station device, and user equipment. By using the present disclosure, a physical downlink control channel, especially, an EPDCCH channel, can be transmitted, to resolve a problem of physical downlink control channel transmission caused by the fact that narrowband user equipment cannot receive a broadband PDCCH channel.
    Type: Grant
    Filed: June 20, 2019
    Date of Patent: October 6, 2020
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Xiangdong Zhang, Zheng Yu, Jinhuan Xia