Patents by Inventor Francois Leduc-Primeau

Francois Leduc-Primeau 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: 8898537
    Abstract: Low-Density Parity-Check (LDPC) codes offer error correction at rates approaching the link channel capacity and reliable and efficient information transfer over bandwidth or return-channel constrained links with data-corrupting noise present. LDPC codes also offer error correction performance approaching channel capacity exponentially fast in terms of the code length, linear processing complexity, and parallelism that scales with the code length. They also offer challenges relating to the decoding complexity of the binary error-correction codes themselves and error floors limiting achievable bit-error rates. A new Relaxed Half-Stochastic (RHS) decoding algorithm is presented that reduces decoding complexity for high decoding throughput applications. The RHS algorithm uses an approach based on stochastic decoding algorithms but differs significantly from the conventional approaches of LDPC decoder implementation.
    Type: Grant
    Filed: March 17, 2011
    Date of Patent: November 25, 2014
    Assignee: The Royal Institution for the Advancement of Learning/McGill University
    Inventors: Warren Gross, Francois Leduc-Primeau, Saied Hemati, Shie Mannor
  • Patent number: 8677227
    Abstract: Low-Density Parity-Check (LDPC) codes offer error correction at rates approaching the link channel capacity and reliable and efficient information transfer over bandwidth or return-channel constrained links with data-corrupting noise present. They also offer performance approaching channel capacity exponentially fast in terms of the code length, linear processing complexity, and parallelism that scales with code length. They also offer challenges relating to decoding complexity and error floors limiting achievable bit-error rates.
    Type: Grant
    Filed: August 24, 2011
    Date of Patent: March 18, 2014
    Assignee: Royal Institution for the Advancement of Learning / McGill University
    Inventors: Warren Gross, Saied Hemati, Shie Mannor, Ali Naderi, Francois Leduc-Primeau
  • Publication number: 20120054576
    Abstract: Low-Density Parity-Check (LDPC) codes offer error correction at rates approaching the link channel capacity and reliable and efficient information transfer over bandwidth or return-channel constrained links with data-corrupting noise present. They also offer performance approaching channel capacity exponentially fast in terms of the code length, linear processing complexity, and parallelism that scales with code length. They also offer challenges relating to decoding complexity and error floors limiting achievable bit-error rates.
    Type: Application
    Filed: August 24, 2011
    Publication date: March 1, 2012
    Applicant: The Royal Institution for the Advancement of Learning / McGill University
    Inventors: Warren Gross, Saied Hemati, Shie Mannor, Ali Naderi, Francois Leduc-Primeau
  • Publication number: 20110231731
    Abstract: Low-Density Parity-Check (LDPC) codes offer error correction at rates approaching the link channel capacity and reliable and efficient information transfer over bandwidth or return-channel constrained links with data-corrupting noise present. LDPC codes also offer error correction performance approaching channel capacity exponentially fast in terms of the code length, linear processing complexity, and parallelism that scales with the code length. They also offer challenges relating to the decoding complexity of the binary error-correction codes themselves and error floors limiting achievable bit-error rates. A new Relaxed Half-Stochastic (RHS) decoding algorithm is presented that reduces decoding complexity for high decoding throughput applications. The RHS algorithm uses an approach based on stochastic decoding algorithms but differs significantly from the conventional approaches of LDPC decoder implementation.
    Type: Application
    Filed: March 17, 2011
    Publication date: September 22, 2011
    Applicant: The Royal Institution for the Advancement of Learning / McGill University
    Inventors: Warren Gross, Francois Leduc-Primeau, Saied Hemati, Shie Mannor