The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 26, 2013
Filed:
Jun. 08, 2009
Applicants:
Giovanni Vitale, Ostuni, IT;
Vittoria Mignone, Piobesi Torinese, IT;
Inventors:
Giovanni Vitale, Ostuni, IT;
Vittoria Mignone, Piobesi Torinese, IT;
Assignee:
RAI Radiotelevisione Italia S.p.A., Rome, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 5/12 (2006.01); H03K 9/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a method for processing digital signals and to a transmission/reception system implementing said method; the present invention is based on the use of LDPC codes, in particular the LDPC code of the DVB-S2 standard, in combination with a QAM modulation, in particular the 1024QAM and 4096QAM modulations; in transmission, a bit permutation (Demux) is carried out prior to the QAM constellation mapping function; in reception, the bit permutation is carried out after the QAM constellation demapping function.