Method, base station and subscriber station for channel...

Details Method, base station and subscriber station for channel... Method, base station and subscriber station for channel...

H - Electricity

03

M

H03M 13/23 (2006.01) H03M 13/09 (2006.01) H04L 1/00 (2006.01) H04Q 7/22 (2006.01)

Patent

CA 2351441

The invention relates to the use of recursive systematic codes (RSC) for channel coding in GSM mobile radiotelephone systems. Contrary to previous notions, RSC codes based on hardware that has been installed in existing GSM mobile radiotelephone systems can now also be used. The RSC codes can be introduced as part of the introduction of an adaptive multirate coder (AMR).

L'invention concerne l'utilisation de codes de convolution systématiques récursifs (codes RSC) pour le codage de canal dans un système de radiocommunication mobile GSM. Au contraire des techniques actuelles, ces codes RSC peuvent aussi être utilisés avec le matériel prévu pour les systèmes GSM existants. Ils peuvent être introduits dans le cadre de l'introduction d'un codeur à débit variable (AMR).

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