Patent ID: 7957738
Filing Date: 2011-06-07
Classification: H04L

Abstract:
1. A method for providing a multicast or broadcast service from a service center via at least one network entity to a mobile terminal, wherein said multicast or broadcast service is provided in the form of a plurality of packet streams each being transported via a single bearer service, said network entity comprising a service manager providing a quality-of-service management function and the method comprising: receiving by said network entity information indicating the bearer services belonging to the multicast or broadcast service and the quality-of-service attributes required by the packet streams transported by the bearer services or required by packet stream combinations thereof, and establishing a service context comprising the received information, obtaining by said network entity from the quality-of-service management function quality-of-service constraints indicating a quality-of-service available for downstream data transmission for each downstream interface of the network entity, selecting by said network entity based on the quality-of-service attributes stored in the service context those bearer services from said bearer services belonging to the multicast or broadcast service, the streams of which are transmittable within the obtained quality-of-service constraints, establishing at least a part of the selected bearer services, wherein for each bearer service being established a link between the network entity and an upstream network entity is set up, and forwarding the packet stream of each established bearer service via the respective link to the mobile terminal.