Patents by Inventor Xiaofu DU

Xiaofu DU 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).

  • Method and device for measuring four-dimensional (4D) radiation pattern of outdoor antenna based on unmanned aerial vehicle (UAV)
    Patent number: 11783713
    Abstract: A method and a device for measuring a four-dimensional (4D) radiation pattern of an outdoor antenna based on an unmanned aerial vehicle (UAV) are provided. The device includes a measurement path planning unit, a UAV platform unit, a radiation signal acquisition unit, a data command processing unit, and a ground data processing unit. The measurement path planning unit, the radiation signal acquisition unit, and the data command processing unit each are suspended from the UAV platform unit by using a pod. The present disclosure applies to the radiation pattern measurement of an outdoor antenna.
    Type: Grant
    Filed: May 6, 2021
    Date of Patent: October 10, 2023
    Assignee: Nanjing University of Aeronautics and Astronautics
    Inventors: Qihui Wu, Qiuming Zhu, Tianxu Lan, Yang Huang, Jie Li, Xiaofu Du, Weizhi Zhong, Lu Han, Yunpeng Bai, Junjie Zhang, Kai Mao
  • METHOD AND DEVICE FOR MEASURING FOUR-DIMENSIONAL (4D) RADIATION PATTERN OF OUTDOOR ANTENNA BASED ON UNMANNED AERIAL VEHICLE (UAV)
    Publication number: 20230274652
    Abstract: A method and a device for measuring a four-dimensional (4D) radiation pattern of an outdoor antenna based on an unmanned aerial vehicle (UAV) are provided. The device includes a measurement path planning unit, a UAV platform unit, a radiation signal acquisition unit, a data command processing unit, and a ground data processing unit. The measurement path planning unit, the radiation signal acquisition unit, and the data command processing unit each are suspended from the UAV platform unit by using a pod. The present disclosure applies to the radiation pattern measurement of an outdoor antenna.
    Type: Application
    Filed: May 6, 2021
    Publication date: August 31, 2023
    Applicant: Nanjing University of Aeronautics and Astronautics
    Inventors: Qihui WU, Qiuming ZHU, Tianxu LAN, Yang HUANG, Jie LI, Xiaofu DU, Weizhi ZHONG, Lu HAN, Yunpeng BAI, Junjie ZHANG, Kai MAO