Patents by Inventor ROBERT CHEVALLIER

ROBERT CHEVALLIER 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: 11438726
    Abstract: A method for geolocating a terminal of a wireless communication system. The terminal receiving a message transmitted by a transmitting device of interest. An ambiguous item of identification information is obtained from the transmitting device of interest. The terminal transmitting to the access network a message including the ambiguous item of identification information from the transmitting device of interest. The access network estimating an approximate geographical position of the terminal. The transmitting device of interest is identified in a table storing a list of transmitting device identifiers and the respective geographical positions of the transmitting devices. The precise geographical position of the terminal is estimated according to the geographical position of said transmitting device of interest.
    Type: Grant
    Filed: July 19, 2019
    Date of Patent: September 6, 2022
    Assignee: SIGFOX
    Inventors: Loïc Hubert, Robert Chevallier, Philippe Garnier
  • Publication number: 20210314726
    Abstract: A method for geolocating a terminal of a wireless communication system. The terminal receiving a message transmitted by a transmitting device of interest. An ambiguous item of identification information is obtained from the transmitting device of interest. The terminal transmitting to the access network a message including the ambiguous item of identification information from the transmitting device of interest. The access network estimating an approximate geographical position of the terminal. The transmitting device of interest is identified in a table storing a list of transmitting device identifiers and the respective geographical positions of the transmitting devices. The precise geographical position of the terminal is estimated according to the geographical position of said transmitting device of interest.
    Type: Application
    Filed: July 19, 2019
    Publication date: October 7, 2021
    Inventors: LOÏC HUBERT, ROBERT CHEVALLIER, PHILIPPE GARNIER