Patents by Inventor Jan Fredrik Farjh

Jan Fredrik Farjh 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).

  • Method and arrangement of signal tracking and a rake-receiver utilizing the arrangement
    Patent number: 5978423
    Abstract: The invention relates to a method for tracking closely adjacent and time-shifted signals incoming to a RAKE-receiver (25). According to the method, the sampling positions of the RAKE-branches (25a, 25b) are not permitted to come closer to one another in time than by a predetermined minimum value when updating the branches. The invention also relates to an arrangement (24) for putting the method into effect. The arrangement includes a search unit (24a), a plurality of tracking units (24c, 24d) and a processor unit (24b). The invention also relates to a RAKE-receiver utilizing said apparatus.
    Type: Grant
    Filed: January 15, 1997
    Date of Patent: November 2, 1999
    Assignee: Telefoanktiebolaget LM Ericsson
    Inventor: Jan Fredrik Farjh