Patents by Inventor Timo Kahkonen

Timo Kahkonen 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).

  • Antenna down-tilting
    Patent number: 7242362
    Abstract: An antenna arrangement, and a method associated with such arrangement, including at least two antennas for providing radio coverage to a plurality of user equipment in a predetermined area of a mobile communications network. The at least two different antennas are arranged to have different vertical properties to thereby provide different radio coverage in the predetermined area. There is provided a plurality of frequencies for use in the predetermined area. The arrangement includes adjusting means for dynamically adjusting the transmission properties of at least one of the antennas based on the distribution of users within the cell and the frequency requirements for users within the cell. The arrangement further includes allocating means for dynamically allocating each user equipment to at least one group based on link characteristics of the user equipment.
    Type: Grant
    Filed: July 22, 2003
    Date of Patent: July 10, 2007
    Assignee: Nokia Corporation
    Inventors: Jari Hulkkonen, Jyri K. Hämäläinen, Tero Korpi, Timo Kahkonen, Mikko Saily
  • Antenna down-tilting
    Publication number: 20040229651
    Abstract: An antenna arrangement, and a method associated with such arrangement, including at least two antennas for providing radio coverage to a plurality of user equipment in a predetermined area of a mobile communications network. The at least two different antennas are arranged to have different vertical properties to thereby provide different radio coverage in the predetermined area. There is provided a plurality of frequencies for use in the predetermined area. The arrangement includes adjusting means for dynamically adjusting the transmission properties of at least one of the antennas based on the distribution of users within the cell and the frequency requirements for users within the cell. The arrangement further includes allocating means for dynamically allocating each user equipment to at least one group based on link characteristics of the user equipment.
    Type: Application
    Filed: July 22, 2003
    Publication date: November 18, 2004
    Inventors: Jari Hulkkonen, Jyri K. Hamalainen, Tero Korpi, Timo Kahkonen, Mikko Saily