Patents by Inventor Juha Sipilä

Juha Sipilä 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).

  • Hard handover method, controller and communication system
    Patent number: 7359708
    Abstract: The invention is related to a controller of a communication system, the controller comprising: means for determining user terminal time delay between delivery and acknowledgement of a transmission; means for conveying the user terminal time delay; means for calculating switching time delay; and means for transferring user terminal data conveyance to the handover target network controller at a moment based on the switching time delay.
    Type: Grant
    Filed: June 2, 2005
    Date of Patent: April 15, 2008
    Assignee: Nokia Corporation
    Inventor: Juha Sipilä