Patents by Inventor Chengdai XUE

Chengdai XUE 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: 20250174886
    Abstract: Example communication apparatus and methods are described. One example communication apparatus includes an antenna that includes a first radiation assembly, a second radiation assembly, and a feeder assembly. An operating frequency of the second radiation assembly is less than an operating frequency of the first radiation assembly, and the feeder assembly is in feeding connection to the first radiation assembly. The feeder assembly includes a first feeder, a ground cable, and a second feeder that are stacked sequentially, and the feeder assembly has a length ranging from one-eighth to one-half of an operating wavelength of the second radiation assembly.
    Type: Application
    Filed: January 28, 2025
    Publication date: May 29, 2025
    Inventors: Chengdai XUE, Zhiwei ZHOU, Tianzhu SHENG, Dingjiu DAOJIAN, Zhuofeng CHEN
  • Publication number: 20240275065
    Abstract: This application provides an antenna and a communication device, and relates to the field of communication technologies, to resolve a problem that the antenna cannot effectively balance a narrow beam width and a small height of a cross section. In the antenna provided in this application, the beam width of the first radiating element can be effectively narrowed by configuring the first conductive part, and the height of the cross section of the antenna is not significantly increased.
    Type: Application
    Filed: April 22, 2024
    Publication date: August 15, 2024
    Inventors: Xingwei Xiao, Chengdai Xue, Zijing Du, Dingjiu Daojian
  • Publication number: 20240275028
    Abstract: This disclosure provides an antenna and a base station device. The antenna includes: a plurality of first frequency band antenna groups; a plurality of second frequency band radiating elements; and a reflection plate on which a reflection plate through hole is provided. Each first frequency band radiating element includes: a first balun structure and a first signal transmission structure, which pass through the reflection plate through hole. A phase shifter includes a first phase shifter cavity, a choke cavity, and a first feed network signal transmission structure located in the first phase shifter cavity. A part that is of the first balun structure and that is located on a second side of the reflection plate is located in the choke cavity.
    Type: Application
    Filed: April 24, 2024
    Publication date: August 15, 2024
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Chen Huang, Dingjiu Daojian, Chengdai Xue, Chao Ren
  • Patent number: 11837792
    Abstract: Embodiment high-frequency radiator includes two plus and minus 45-degree single-polarized radiators. The single-polarized radiator includes a radiation arm, a balun, a feeder circuit, a filter, and a ground plane. The radiation arm and the balun are electrically connected. The feeder circuit and the balun are separately disposed on two surfaces of a first dielectric plate that is placed vertically. The ground plane is disposed on a downward surface of a second dielectric plate that is placed horizontally. The first dielectric plate is vertically disposed on the second dielectric plate, and the filter includes a capacitor branch and an inductor branch. The inductor branch is disposed on a same surface of the first dielectric plate as the balun, the inductor branch is separately electrically connected to the balun and the ground plane, and the capacitor branch is coupled to the ground plane.
    Type: Grant
    Filed: June 28, 2021
    Date of Patent: December 5, 2023
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Xiuyin Zhang, Zhiqiang Liao, Chengdai Xue, Yaojiang Zhang, Yili Xu, Zhihan Chen
  • Publication number: 20210328365
    Abstract: Embodiment high-frequency radiator includes two plus and minus 45-degree single-polarized radiators. The single-polarized radiator includes a radiation arm, a balun, a feeder circuit, a filter, and a ground plane. The radiation arm and the balun are electrically connected. The feeder circuit and the balun are separately disposed on two surfaces of a first dielectric plate that is placed vertically. The ground plane is disposed on a downward surface of a second dielectric plate that is placed horizontally. The first dielectric plate is vertically disposed on the second dielectric plate, and the filter includes a capacitor branch and an inductor branch. The inductor branch is disposed on a same surface of the first dielectric plate as the balun, the inductor branch is separately electrically connected to the balun and the ground plane, and the capacitor branch is coupled to the ground plane.
    Type: Application
    Filed: June 28, 2021
    Publication date: October 21, 2021
    Inventors: Xiuyin Zhang, Zhiqiang Liao, Chengdai Xue, Yaojiang Zhang, Yili Xu, Zhihan Chen
  • Patent number: 10680323
    Abstract: The invention discloses a broadband dual-band base station antenna array with high out-of-band isolation, having at least one high-frequency antenna unit, one low-frequency antenna unit and a floor; when there is one high-frequency antenna unit, it is placed on one side of the floor; when there are more than one high-frequency antenna units, they are placed on both sides of the floor. The high-frequency antenna unit includes multiple dipole arms and a balun, wherein the dipole arms are connected by distributed inductor and fed through the balun; the low-frequency antenna unit including multiple dipole arms and a balun is placed on the middle of the floor, wherein the dipole arms are connected by distributed capacitor and fed through the balun. The balun is provided with a feeder and a H-shape microstrip line. The H-shape microstrip line connects with the feeder.
    Type: Grant
    Filed: November 20, 2017
    Date of Patent: June 9, 2020
    Assignee: SOUTH CHINA UNIVERSITY OF TECHNOLOGY
    Inventors: Xiuyin Zhang, Chengdai Xue, Yufeng Wu
  • Publication number: 20190280377
    Abstract: The invention discloses a broadband dual-band base station antenna array with high out-of-band isolation, having at least one high-frequency antenna unit, one low-frequency antenna unit and a floor; when there is one high-frequency antenna unit, it is placed on one side of the floor; when there are more than one high-frequency antenna units, they are placed on both sides of the floor. The high-frequency antenna unit includes multiple dipole arms and a balun, wherein the dipole arms are connected by distributed inductor and fed through the balun; the low-frequency antenna unit including multiple dipole arms and a balun is placed on the middle of the floor, wherein the dipole arms are connected by distributed capacitor and fed through the balun. The balun is provided with a feeder and a H-shape microstrip line. The H-shape microstrip line connects with the feeder.
    Type: Application
    Filed: November 20, 2017
    Publication date: September 12, 2019
    Applicant: South China University of Technology
    Inventors: Xiuyin ZHANG, Chengdai XUE, Yufeng WU
  • Patent number: 10217561
    Abstract: A wireless power transfer coil system using offset of electric and magnetic coupling for frequency splitting suppression, which includes one transmitting coil, one receiving coil and four loaded annular metal sheets, is provided. A first annular metal sheet and a second annular metal sheets of the four loaded annular metal sheets are loaded between the transmitting coil and a third and a fourth annular metal sheets of the four loaded annular metal sheets are loaded between the receiving coil to expand a variable distance range of a power transmission. The coil system enables the coils to worked in a state of magnetic and electric coupling. During a process of moving from a long distance to a short distance, a coupling coefficient between the coils changes gradually, but a low coupling degree is still maintained so that a phenomenon of frequency splitting is not produced, thereby maintaining a high-efficiency power transmission within the system.
    Type: Grant
    Filed: December 19, 2015
    Date of Patent: February 26, 2019
    Assignee: SOUTH CHINA UNIVERSITY OF TECHNOLOGY
    Inventors: Xiuyin Zhang, Chengdai Xue, Bin Li
  • Publication number: 20170358392
    Abstract: A wireless power transfer coil system using offset of electric and magnetic coupling for frequency splitting suppression, which includes one transmitting coil, one receiving coil and four loaded annular metal sheets, is provided. A first annular metal sheet and a second annular metal sheets of the four loaded annular metal sheets are loaded between the transmitting coil and a third and a fourth annular metal sheets of the four loaded annular metal sheets are loaded between the receiving coil to expand a variable distance range of a power transmission. The coil system enables the coils to worked in a state of magnetic and electric coupling. During a process of moving from a long distance to a short distance, a coupling coefficient between the coils changes gradually, but a low coupling degree is still maintained so that a phenomenon of frequency splitting is not produced, thereby maintaining a high-efficiency power transmission within the system.
    Type: Application
    Filed: December 19, 2015
    Publication date: December 14, 2017
    Applicant: SOUTH CHINA UNIVERSITY OF TECHNOLOGY
    Inventors: Xiuyin ZHANG, Chengdai XUE, Bin LI