Encoding method of multimedia data and device thereof

Details Encoding method of multimedia data and device thereof Encoding method of multimedia data and device thereof

H - Electricity

04

N

H04N 7/64 (2006.01) H04L 1/00 (2006.01) H04N 7/24 (2006.01)

Patent

CA 2338939

An encoding method for wireless transceiving of multimedia data including video data, and an encoding device therefor are provided. The encoding method includes (a) generating a length field representing the number of bits of a payload, (b) generating an error correction code by performing error correction coding with respect to the length field, and (c) inserting the length field and the error correction code during radio link protocol (RLP) framing. The encoding method reduces overhead when multimedia data including video data is transmitted and received under the radio environment, and increases error robustness, thereby improving the quality of an image.

L'invention concerne un procédé et un dispositif de codage destiné à l'émission-réception sans fil de données multimédia comprenant des données vidéo. Ce procédé de codage consiste (a) à générer un champ de longueur représentant le nombre de bits d'une charge utile, (b) à générer un code de correction d'erreur en effectuant un codage de correction d'erreur par rapport au champ de longueur, et (c) à insérer ce champ de longueur et ce code de correction d'erreur pendant le verrouillage de trame du protocole RLP (Radio Link Protocol). Ce procédé de codage permet de réduire la surcharge lorsque les données multimédia comprenant des données vidéo sont émises et reçues dans l'environnement radio, et permet de diminuer les risques d'erreur, et ainsi d'améliorer la qualité d'une image.

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