Patents by Inventor Johan Zetterblad

Johan Zetterblad 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).

  • Arrangement in mobile telecommunication systems for providing for an improved hand-over function
    Patent number: 5901364
    Abstract: An arrangement in mobile telecommunication systems which operate with cells to provide for an improved hand-over function of a mobile unit which is located in a cell which belongs to a first base station to a cell which belongs to a second base station. The mobile unit is provided with elements for measuring and evaluating parameters which are significant to the hand-over function on the one hand in the real traffic case and on the other hand in a simulated traffic case. A comparing element is arranged in the mobile unit and the said first and second representation are included as selection criteria for obtaining the improved hand-over function.
    Type: Grant
    Filed: November 7, 1994
    Date of Patent: May 4, 1999
    Assignee: Televerket
    Inventor: Johan Zetterblad