Patents by Inventor Puyu SUN

Puyu SUN 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: 11709281
    Abstract: The present invention discloses a high-precision point positioning method and device based on a smartphone. The method of the present invention, which belongs to the technical field of satellite positioning, improves the conventional PPP uncombined positioning model, and only uses original GNSS observation values received by a smartphone to carry out high-precision positioning without GNSS reference stations.
    Type: Grant
    Filed: January 16, 2020
    Date of Patent: July 25, 2023
    Assignee: SOUTHEAST UNIVERSITY
    Inventors: Chengfa Gao, Bo Chen, Yongsheng Liu, Puyu Sun
  • Publication number: 20220155465
    Abstract: The present invention discloses a high-precision point positioning method and device based on a smartphone. The method of the present invention, which belongs to the technical field of satellite positioning, improves the conventional PPP uncombined positioning model, and only uses original GNSS observation values received by a smartphone to carry out high-precision positioning without GNSS reference stations.
    Type: Application
    Filed: January 16, 2020
    Publication date: May 19, 2022
    Applicant: SOUTHEAST UNIVERSITY
    Inventors: Chengfa GAO, Bo CHEN, Yongsheng LIU, Puyu SUN