Patents by Inventor Baicheng Du

Baicheng 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, apparatus, and system for detecting rogue optical network unit
    Patent number: 10110301
    Abstract: Embodiments of the present invention disclose a method. The method includes determining, by an OLT, that an ONU goes offline, and sending to the ONU corresponding to an ONU identifier, a detection message that carries the ONU identifier, where the ONU identifier is an ONU identifier that is occupied before the ONU goes offline and that is not reassigned, and the detection message is used to instruct the ONU corresponding to the ONU identifier to report an identification code. The method also includes receiving, a response message, where the response message carries the identification code of the ONU that sends the response message. The method also includes and determining that the ONU corresponding to the identification code carried in the response message is a rogue ONU.
    Type: Grant
    Filed: June 14, 2017
    Date of Patent: October 23, 2018
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Bo Qu, Baicheng Du, Dawei Lv
  • Method, Apparatus, and System for Detecting Rogue Optical Network Unit
    Publication number: 20170279525
    Abstract: Embodiments of the present invention disclose a method. The method includes determining, by an OLT, that an ONU goes offline, and sending to the ONU corresponding to an ONU identifier, a detection message that carries the ONU identifier, where the ONU identifier is an ONU identifier that is occupied before the ONU goes offline and that is not reassigned, and the detection message is used to instruct the ONU corresponding to the ONU identifier to report an identification code. The method also includes receiving, a response message, where the response message carries the identification code of the ONU that sends the response message. The method also includes and determining that the ONU corresponding to the identification code carried in the response message is a rogue ONU.
    Type: Application
    Filed: June 14, 2017
    Publication date: September 28, 2017
    Inventors: Bo Qu, Baicheng Du, Dawei Lv