Patent ID: 7336659
Filing Date: 2008-02-26
Classification: H04L,H04W

Abstract:
1. Method for transmitting services with different media components and quality of service from a core network (CN) of a cellular telephone system towards a plurality of mobile stations traceable into a service area, the system employing physical resources for conveying signalling and traffic at the various interfaces (Iu, Iur, Iub, Uu) between the core network and the mobile stations (UE), characterised in that includes the steps of: a) reserving an amount of physical resources on the whole service area for a period of interest to be used by the network for transmitting with higher priority services belonging to a selected subset of the whole transmissible real-time services with guaranteed bandwidth; b) transmitting, by the network, repeated announcements into the service area to inform the subscribed users about the availability of a service which belongs to the selected subset; c) transmitting by one or more subscribed users that are listening to the announcement a request to the network for joining a group of requesters for the announced service; d) transmitting, by the network, a notification message towards the joined users for giving useful information on how to receive the announced service; e) transmitting, by the network, the content of the announced service towards the joined users on a point-to-multipoint channel set-up in the cells of the service area.