Method for power saving in a cellular radiotelephone apparatus

Details Method for power saving in a cellular radiotelephone apparatus Method for power saving in a cellular radiotelephone apparatus

H - Electricity

04

Q

H04Q 7/38 (2006.01) H04Q 7/32 (2006.01) H04Q 7/18 (2006.01)

Patent

CA 2201884

The filter of the present invention pre-processes signaling messages transmitted by the base station while the radiotelephone is in the idle mode. The radiotelephone informs the filter of the roam status and idle status and identity of the radiotelephone. The filter then intercepts the incoming signaling messages while the processor is in the sleep mode conserving power. When the filter detects a message requiring further processing by the processor, the filter interrupts the processor to process the message.

Le filtre présenté ici prétraite des messages de signalisation transmis par la station de base lorsque le radiotéléphone est au repos. Le radiotéléphone indique au filtre l'état (repos ou itinérance) et l'identité du radiotéléphone. Le filtre intercepte alors les messages de signalisation d'arrivée tandis que le processeur est en mode veille, ce qui permet d'économiser de l'énergie. Lorsque le filtre détecte un message à traiter par le processeur, le filtre interrompt le processeur pour le traitement.

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