Patents by Inventor Yandan YIN

Yandan YIN 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: 11706687
    Abstract: The present invention relates to an IPv6 wireless sensor network node mobility management method based on RPL routing protocol. The present invention achieves the following: first, placing an RSSI in an ACK frame so as to detect the mobile state of a node and improve the accuracy of mobile detection; second, on the premise of compatibility with an original RPL routing protocol, improving the options for DIS and DAO in selecting the optimal parent node and updating a routing table; and finally, designing a cache method to prevent messages sent to the mobile node from being lost in the process of moving, and designing a new 6LoWPAN header so as to complete message caching.
    Type: Grant
    Filed: October 21, 2019
    Date of Patent: July 18, 2023
    Assignee: CHONGQING UNIVERSITY OF POSTS AND TELECOMMUNICATIONS
    Inventors: Ping Wang, Chenggen Pu, Yandan Yin, Zhao Yang
  • Publication number: 20220053405
    Abstract: The present invention relates to an IPv6 wireless sensor network node mobility management method based on RPL routing protocol. The present invention achieves the following: first, placing an RSSI in an ACK frame so as to detect the mobile state of a node and improve the accuracy of mobile detection; second, on the premise of compatibility with an original RPL routing protocol, improving the options for DIS and DAO in selecting the optimal parent node and updating a routing table; and finally, designing a cache method to prevent messages sent to the mobile node from being lost in the process of moving, and designing a new 6LoWPAN header so as to complete message caching.
    Type: Application
    Filed: October 21, 2019
    Publication date: February 17, 2022
    Applicant: CHONGQING UNIVERSITY OF POSTS AND TELECOMMUNICATIONS
    Inventors: Ping WANG, Chenggen PU, Yandan YIN, Zhao YANG