Patents by Inventor Bo Christer Vilhelm Johansson

Bo Christer Vilhelm Johansson 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).

  • Creation of overlapping cells when using multi casting
    Patent number: 6449482
    Abstract: A method and apparatus for providing handoffs in a cellular communication system is disclosed wherein cells within the communication system share at least one transceiver unit or transceiver units from different cells are placed in close proximity to each other so as to create a larger overlapping region in which mobile stations can be handed off. The shared transceiver unit is able to transmit and receive radio signals with the communication frequencies assigned to the cells sharing the transceiver unit.
    Type: Grant
    Filed: May 24, 1995
    Date of Patent: September 10, 2002
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Bo Christer Vilhelm Johansson, Håkan Persson, Håkan Andersson