Patents by Inventor Tobjorn Lundin

Tobjorn Lundin 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).

  • Mobile multipoint service
    Patent number: 7680109
    Abstract: A packet radio data network and methods have been disclosed, the network comprising at least a gateway node (GGSN), at least one serving node (SGSN) connected to the gateway node, a plurality of radio access nodes (RAN) connected to the serving node (SGSN), the packet radio network transporting packet data from an external packet data network, comprising an Internet Service Provider (ISP), to mobile stations (MS) wirelessly attached to radio access nodes (RAN). The gateway node, subsequent to a PDP multipoint context activation procedure, establishes at least a first multicast tunnel (GTPT1 GTPT4, GTPT10 GTP35) between the gateway node and at least one serving node, the multicast tunnel carrying IP streams pertaining to at least two mobile stations belonging to a common multicast group.
    Type: Grant
    Filed: August 14, 2002
    Date of Patent: March 16, 2010
    Assignee: Telefonaktiebolaget L M Ericsson (Publ)
    Inventors: Niklas Lundin, Karl-Henrik Henriksson, Tobjorn Lundin, Lars Ekeroth, Frank Hundscheidt, Lohmar Thorsten, Ralf Keller