Patents by Inventor Karin Walstrom

Karin Walstrom 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).

  • Traffic control by IP multimedia subsystem
    Patent number: 8687492
    Abstract: Apparatus configured to implement a Proxy Call Session Control Function for use within an IP Multimedia Subsystem core network. The apparatus comprises a receiver for receiving a session initiation request in respect of an IP Multimedia Subsystem service, and a threshold determiner for determining a threshold applicable to user traffic associated with said service. The apparatus further comprises a sender for sending a session authorization request to a policy decision function, the request including said threshold and a service data flow identifier identifying the user plane flow for said session.
    Type: Grant
    Filed: February 8, 2010
    Date of Patent: April 1, 2014
    Assignee: Telefonaktiebolaget L M Ericsson (Publ)
    Inventor: Karin Walstrom
  • Traffic Control by IP Multimedia Subsystem
    Publication number: 20120002548
    Abstract: Apparatus configured to implement a Proxy Call Session Control Function for use within an IP Multimedia Subsystem core network. The apparatus comprises a receiver for receiving a session initiation request in respect of an IP Multimedia Subsystem service, and a threshold determiner for determining a threshold applicable to user traffic associated with said service. The apparatus further comprises a sender for sending a session authorisation request to a policy decision function, the request including said threshold and a service data flow identifier identifying the user plane flow for said session.
    Type: Application
    Filed: February 8, 2010
    Publication date: January 5, 2012
    Applicant: Telefonaktiebolaget L M Ericsson (publ)
    Inventor: Karin Walstrom