Dynamic allocation of radio resources in a packet switched...

Details Dynamic allocation of radio resources in a packet switched... Dynamic allocation of radio resources in a packet switched...

H - Electricity

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H04W 4/10 (2009.01) H04W 28/02 (2009.01) H04W 72/04 (2009.01) H04W 88/02 (2009.01) H04L 12/56 (2006.01) H04L 29/02 (2006.01) H04M 3/56 (2006.01) H04N 7/15 (2006.01) H04Q 7/38 (2006.01)

Patent

CA 2333979

Voice and/or image data packets are transferred by a packet handler between user stations in a GSM-type mobile communications system using a General Packet Radio Service (GPRS) data link. Control data for controlling a call is stored in a data store accessible by the packet handler. The control data identifies call participants and the identity of a participant who has currently seized the call. A mobile station capable of video conferencing is operable in a half-duplex video conferencing mode, in which intermittent transmission of video data is controlled by depression of a transmit button.

Des paquets de données vocales et/ou d'images sont transférés par un programme de traitement de paquets entre les stations utilisatrices dans un système de communications mobiles du type GSM utilisant une liaison de données de service de bande publique par paquets (GPRS). Des données de commande destinées à commander un appel sont stockées dans une mémoire de données accessible au programme de traitement de paquets. Les données de commande identifient les participants de l'appel et l'identité d'un participant venant de prendre l'appel. Une station mobile capable d'une vidéo conférence peut fonctionner en mode de vidéo conférence semi-duplex dans lequel la transmission intermittente de données vidéo est commandée à l'aide d'un bouton de transmission.

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