System and method for prioritizing traffic channel messages

Details System and method for prioritizing traffic channel messages System and method for prioritizing traffic channel messages

H - Electricity

04

L

H04L 12/28 (2006.01) H04L 12/56 (2006.01)

Patent

CA 2368450

A system and method places signaling message frames in a traffic channel carrying voice frames so that the signaling message transmission does not seriously impact voice quality. This is accomplished by producing a first stream of voice encoded packets and a second stream of signaling message packets. The signaling message packets are prioritized in the second stream relative to the voice encoded packets in the first stream. An arbitration element arbitrates between the voice encoded and prioritized signaling message packets, which are multiplexed as a function of this arbitration. The multiplexed voice encoded and prioritized signaling message packets are then transmitted.

L'invention concerne un système et un procédé qui placent des trames de messages de signalisation dans une voie de trafic comportant des trames vocales afin que la transmission des messages de signalisation ne nuise pas gravement à la qualité vocale. On réalise le procédé en produisant un premier train de paquets de voix-données codés et un deuxième train de paquets de messages de signalisation. Les paquets de messages de signalisation sont placés en priorité dans le deuxième train par rapport aux paquets de voix-données codés acheminés dans le premier train. Un élément d'arbitrage départage les paquets de voix-données codés et les paquets de messages de signalisation prioritaires, lesdits paquets étant multiplexés conformément à cet arbitrage. Après multiplexage, les paquets de voix-données codés et les paquets de messages de signalisation prioritaires sont ensuite transmis.

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