Patents by Inventor Mary H. Barnes

Mary H. Barnes 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).

  • Merged packet service and mobile internet protocol
    Patent number: 6711147
    Abstract: A network, system and method for merging a packet service such as GPRS with a mobile IP is disclosed. The GPRS network includes a first base station for providing wireless access to a mobile node, a GPRS support node (GSN) connected to the base station, and a security gateway for connecting the GPRS network to a second network that may use mobile IP. The GSN is capable of creating an IP tunnel connecting it to the second network through the security gateway. The GSN is also capable of handling mobile IP specific messaging and converting the wireless access to mobile IP specific messaging.
    Type: Grant
    Filed: June 15, 1999
    Date of Patent: March 23, 2004
    Assignee: Nortel Networks Limited
    Inventors: Mary H. Barnes, Akram Hosain, Emad A. Qaddoura, Haseeb Akhtar