Patents by Inventor Håkan Clas Andersson

Håkan Clas Andersson 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).

  • Digital control channels having logical channels for multiple access radiocommunication
    Patent number: 6212176
    Abstract: A communications system in which information is transmitted in successive time slots grouped into a plurality of superframes which are, in turn, grouped into a plurality of hyperframes. A remote station is assigned to one of the time slots in each of the superframes for paging the remote station, each hyperframe including at least two superframes, and the information sent in the assigned time slot in one superframe in each hyperfame is repeated in the assigned time slot in the other superframe(s) in each hyperframe. Each superframe can include a plurality of time slots used for sending paging messages to remote stations, grouped into a plurality of successive paging frames, and the time slot to which the remote station is assigned is included once in every paging frame. Also, each superframe may include time slots comprising a logical channel for broadcast control information and time slots comprising a logical paging channel.
    Type: Grant
    Filed: January 21, 1997
    Date of Patent: April 3, 2001
    Assignee: Telefonaktiebolget LM Ericsson (publ)
    Inventors: Håkan Clas Andersson, John Walter Diachina, Bengt Persson, Alex Krister Raith, Anthony J. Sammarco, Francois Sawyer