Patents by Inventor Tomas Fried

Tomas Fried 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: 8401544
    Abstract: In a method and a device for determining an active set for a mobile station cell individual offsets (CIO) is determined for a number of cells. The offsets are signaling to the mobile station, which adds corrections to the reference signal measurements based on the cell individual offsets (CIO), thereby forming a corrected reference signal measurement and the active set based on the corrected reference signal measurement.
    Type: Grant
    Filed: September 11, 2007
    Date of Patent: March 19, 2013
    Assignee: Telefonaktiebolaget L M Ericsson (publ)
    Inventors: Tomas Fried, Fredrik Gunnarsson
  • Publication number: 20100216456
    Abstract: In a method and a device for determining an active set for a mobile station cell individual offsets (CIO) is determined for a number of cells. The offsets are signaling to the mobile station, which adds corrections to the reference signal measurements based on the cell individual offsets (CIO), thereby forming a corrected reference signal measurement and the active set based on the corrected reference signal measurement.
    Type: Application
    Filed: September 11, 2007
    Publication date: August 26, 2010
    Applicant: TELEFONAKTIEBOLAGET LM ERICSSON (Publ)
    Inventors: Tomas Fried, Fredrik Gunnarsson
  • Patent number: 6094581
    Abstract: A server for use by a designated one of a number of mobile units in a cellular communications system including a plurality of cells having different service areas with respect to one another may be selected by, for each of the mobile units, assigning to each cell a category of preference for selection with respect to each other cell within the system, wherein for at least one of the cells, the assigned category of preference associated with a first mobile unit is different from the assigned category of preference associated with a second mobile unit. Then, for the designated mobile unit, the assigned category of preference for each of a number of candidate cells is determined. A first one of the candidate cells is then selected as serving cell for the designated mobile unit based upon whether the first one of the candidate cells has a higher category of preference than another of the candidate cells.
    Type: Grant
    Filed: June 10, 1997
    Date of Patent: July 25, 2000
    Assignee: Telefonaktiebolaget LM Ericsson
    Inventors: Tomas Fried, Erik Westerberg, Sten Hermansson
  • Patent number: 5930721
    Abstract: A telecommunications system and method is disclosed, whereby a packet switched system emulates the location algorithm of a circuit switched system. The packet switched system, wherein cell reselection is performed primarily by the mobile stations, has advanced locating and flexible cell reselection capabilities that cause the packet switched traffic to behave (from a control standpoint) virtually the same, with respect to cell reselection and locating, as the circuit switched traffic. In other words, the packet switched mobile terminals are able to emulate the locating functions of the circuit switched system, which minimizes signal interference between the two systems.
    Type: Grant
    Filed: February 18, 1997
    Date of Patent: July 27, 1999
    Assignee: Telefonaktiebolaget L M Ericsson
    Inventors: Tomas Fried, Erik Westerberg, Sten Hermansson
  • Patent number: 5930241
    Abstract: A method and apparatus are provided for assigning radio network control in a mobile communications system that offers two or more types of bearer services. The mobile network broadcasts an initial control message that orders certain mobile terminals to suspend use of their normal terminal-based radio network control decisions and to accept radio network control orders from the land mobile network. A subsequent control message can order the resumed use of normal terminal-based radio network control decisions. Consequently, the mobile network can use virtually the same control logic for all of the mobile terminals that it serves, regardless of the type bearer service being carried. As a result, radio signal interference between mobile terminals carrying the different bearer services can be minimized.
    Type: Grant
    Filed: January 17, 1997
    Date of Patent: July 27, 1999
    Assignee: Telefonaktiebolaget L M Ericsson
    Inventor: Tomas Fried