Patents by Inventor Sally NAFIE

Sally NAFIE 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: 11588580
    Abstract: Embodiments provide an interleaver for interleaving an LDPC encoded bit sequence, wherein the interleaver includes a segmentation stage configured to segment the LDPC encoded bit sequence into a plurality of chunks including a first chunk and one or more other chunks, a first interleaver stage, configured to interleave the one or more other chunks or a concatenated version thereof, a second interleaver stage, configured to block wise interleave the first chunk and an interleaved bit sequence provided by the first interleaver stage, to obtain an interleaved version of the LDPC encoded bit sequence, wherein the first chunk consists of bits of a first type being, which are error correcting bits or repeat accumulate bits of the LDPC encoded bit sequence, or are represented, in a Tanner graph representation of the LDPC encoded bit sequence, by variable nodes that include non-random connections to at least two error correcting check nodes.
    Type: Grant
    Filed: June 30, 2021
    Date of Patent: February 21, 2023
    Assignee: FRAUNHOFER-GESELLSCHAFT ZUR F RDERUNG DER ANGEWANDTEN FORSCHUNG E.V.
    Inventors: Gerd Kilian, Sally Nafie, Jörg Robert, Jakob Kneißl
  • Publication number: 20220149989
    Abstract: Embodiments provide an interleaver for interleaving an LDPC encoded bit sequence, wherein the interleaver includes a segmentation stage configured to segment the LDPC encoded bit sequence into a plurality of chunks including a first chunk and one or more other chunks, a first interleaver stage, configured to interleave the one or more other chunks or a concatenated version thereof, a second interleaver stage, configured to block wise interleave the first chunk and an interleaved bit sequence provided by the first interleaver stage, to obtain an interleaved version of the LDPC encoded bit sequence, wherein the first chunk consists of bits of a first type being, which are error correcting bits or repeat accumulate bits of the LDPC encoded bit sequence, or are represented, in a Tanner graph representation of the LDPC encoded bit sequence, by variable nodes that include non-random connections to at least two error correcting check nodes.
    Type: Application
    Filed: June 30, 2021
    Publication date: May 12, 2022
    Inventors: Gerd KILIAN, Sally NAFIE, Jörg ROBERT, Jakob KNEIßL