H - Electricity – 03 – M
Patent
H - Electricity
03
M
H03M 13/03 (2006.01) H04L 1/00 (2006.01)
Patent
CA 2702017
A scalable information signal is protected in a more efficient and/or safe way by adopting the interrelationship among the plurality of portions of different levels within the information signal in FEC protecting the information signal. In particular, portions of the information signal representing the information content at a higher level should have associated therewith redundancy information which is dependent not only on that part of this portion being disjoint to a respective overlapping lower level portion. Rather, redundancy information should also be dependent on the latter part so as to increase the chances of success of forward error correcting an error within the lower level portion at the reception side.
Un signal d'information échelonnable est protégé de manière plus efficace et/ou plus sûre en adoptant l'interrelation entre plusieurs portions de différents niveaux du signal d'information dans le FEC qui protège le signal d'information. En particulier, des portions du signal d'information qui représentent le contenu informatif à un haut niveau doivent être associées à des informations de redondance qui ne dépendent pas uniquement de la partie de cette portion disjointe d'une portion de niveau inférieur respective superposée. Au contraire, l'information de redondance doit dépendre également de cette dernière partie de manière à augmenter les chances de succès d'une correction en avance des erreurs dans la portion de niveau inférieur du côté réception.
Hellge Cornelius
Schierl Thomas
Wiegand Thomas
Borden Ladner Gervais Llp
Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung
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