Patents by Inventor Kari P. Estola

Kari P. Estola 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).

  • Efficiency of the Viterbi algorithm
    Patent number: 5327439
    Abstract: The efficiency of a Viterbi algorithm in a communication system, in which the transmission channel contains memory, is improved when several sequences in a signal string are detected in descending probability order. An error detecting operation then selects the correct sequence, if any, to be the received sequence.
    Type: Grant
    Filed: December 28, 1990
    Date of Patent: July 5, 1994
    Assignee: Nokia Mobile Phones Ltd.
    Inventors: Kari P. Estola, Harri A. Jokinen