Patents by Inventor Kari Kallojärvi

Kari Kallojärvi 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: 7773685
    Abstract: This invention describes a wireless system comprising a plurality of transmitters and receivers, wherein each transmitter has between 1 and n antennas and each receiver has between 1 and m antennas wherein one of said transmitter is arranged to transmit to one of the receivers, said one transmitter is controlled in dependence on at least one of at least one parameter of said transmitters, at least one parameter of said receiver, and at least one parameter of a wireless environment between said transmitter and said receiver.
    Type: Grant
    Filed: January 23, 2003
    Date of Patent: August 10, 2010
    Assignee: Nokia Corporation
    Inventors: Olav Tirkkonen, Mikko Kokkonen, Kari Kallojärvi, Rinat Kashaev