Patents by Inventor Nils Patrik Lundqvist

Nils Patrik Lundqvist 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).

  • Method and an apparatus for handing off mobile station from a first to a second channel in a mobile communication system
    Patent number: 5640679
    Abstract: In a mobile communication system, a method and an apparatus for handing off a mobile station from a first channel on a serving base station to a second channel on a target base station, the mobile station transmitting at a first transmission phase on the first channel, the second channel being ready to take over the communication with the mobile station transmitting at a second transmission phase. A device for determining a time offset is provided in the target base station and is adapted to tune in to the mobile station for determining, prior to a handoff, the time offset between the first transmission phase and the second transmission phase. Also, a device is provided for shifting, upon handoff, the transmission phase of the mobile station by the determined time offset relative to the first transmission phase.
    Type: Grant
    Filed: March 8, 1996
    Date of Patent: June 17, 1997
    Assignee: Telefonaktiebolaget LM Ericsson
    Inventors: Nils Patrik Lundqvist, Claes H.ang.kan Andersson