Patents by Inventor Mika P. Hietala

Mika P. Hietala 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: 9554271
    Abstract: A set of associated keys for an authentication process to be performed in a second network is calculated based on a random value used in an authentication process of a first network.
    Type: Grant
    Filed: October 19, 2007
    Date of Patent: January 24, 2017
    Assignee: Nokia Technologies Oy
    Inventors: Changhong Li, Dajiang Zhang, Mika P. Hietala, Valtteri Niemi
  • Publication number: 20080293412
    Abstract: The present invention provides methods for performing a location update in a mobile communication network. According to an embodiment of the invention, after receiving a location update request message from a managing node, a data base composes a location update acknowledge message including information about an identification of a switching device. Then the data base transmits the location update acknowledge message including information about the identification of the switching device to the managing node. According to another embodiment, after receiving a message from a second managing node, a first managing node composes a reply message including information about an identification of a switching device. Then the first managing node transmits the reply message including information about the identification of the switching device to the second managing node. Further, the present invention also relates to respective devices.
    Type: Application
    Filed: May 25, 2007
    Publication date: November 27, 2008
    Inventors: Tom Grahn, Miikka Huomo, Mika P. Hietala
  • Publication number: 20080184032
    Abstract: A set of associated keys for an authentication process to be performed in a second network is calculated based on a random value used in an authentication process of a first network.
    Type: Application
    Filed: October 19, 2007
    Publication date: July 31, 2008
    Inventors: Changhong Li, Dajiang Zhang, Mika P. Hietala, Valtteri Niemi