Patents by Inventor Sven Arne Emmanuel Norefors

Sven Arne Emmanuel Norefors 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).

  • SIP server discovery in an interworking WLAN/IMS system
    Patent number: 8594062
    Abstract: The present invention relates to a node and a method for transmitting initiation information related to a SIP-proxy server between an IMS-client stored in a user equipment (UE) and a Gateway GPRS Support Node (GGSN) via a Access Network (AN) and a Tunnelling Termination Gateway (TTG) node in IP core network. The present invention offers smooth transfer between different protocols and Interworking between different networks.
    Type: Grant
    Filed: February 18, 2008
    Date of Patent: November 26, 2013
    Assignee: Telefonaktiebolaget L M Ericsson (publ)
    Inventors: Sven Arne Emmanuel Norefors, Tomas Nylander, Jari Tapio Vikberg
  • SIP Server Discovery in an Interworking WLAN/IMS System
    Publication number: 20100329226
    Abstract: The present invention relates to a node and a method for transmitting initiation information related to a SIP-proxy server between an IMS-client stored in a user equipment (UE) and a Gateway GPRS Support Node (GGSN) via a Access Network (AN) and a Tunnelling Termination Gateway (TTG) node in IP core network. The present invention offers smooth transfer between different protocols and Interworking between different networks.
    Type: Application
    Filed: February 18, 2008
    Publication date: December 30, 2010
    Applicant: Telefonaktiebolaget L M Ericsson (publ)
    Inventors: Sven Arne Emmanuel Norefors, Tomas Nylander, Jari Vikberg