Method and communication system for providing a...

Details Method and communication system for providing a... Method and communication system for providing a...

H - Electricity

04

L

H04L 29/06 (2006.01)

Patent

CA 2729560

It is disclosed a method for providing a context-based service in a communication network. The method comprises: at a context server co--operating with the network, receiving a query generated from a service ap-plication, indicating that the service application needs to receive from the context server a set of context information when a query condition is ful-filled; at the context server, generating an update rule indicating that a termi-nal has to transmit the context information to the context server when an up-date condition is fulfilled; transmitting the update rule from the context serv-er to the terminal; detecting the context information and transmitting them to the terminal; at the terminal, receiving the context information and transmit-ting them to the context server when the update condition is fulfilled; and at the context server, forwarding the context information to the service applica-tion, thus allowing the service application to implement the context- based service.

Linvention concerne un procédé pour fournir un service basé sur le contexte dans un réseau de communication. le procédé comprend : dans un serveur de contextes coopérant avec le réseau, la réception dune requête générée par une application de service, indiquant que lapplication de service a besoin de recevoir du serveur de contextes un ensemble dinformations de contexte quand une condition de requête est satisfaite ; dans le serveur de contextes, la génération dune règle dactualisation indiquant quun terminal doit transmettre les informations de contexte au serveur de contextes quand une condition dactualisation est satisfaite ; la transmission de la règle dactualisation du serveur de contextes au terminal ; la détection des informations de contexte et leur transmission au terminal ; dans le terminal, la réception des informations de contexte et leur transmission au serveur de contextes quand la condition dactualisation est satisfaite ; et, dans le serveur de contextes, la retransmission des informations de contexte à lapplication de service, en permettant ainsi à lapplication de service de mettre en uvre le service basé sur le contexte.

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