Method and apparatus for sharing transport channel for node...

H - Electricity – 04 – W

Patent

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Details

H04W 4/06 (2009.01) H04W 92/12 (2009.01)

Patent

CA 2667256

A radio access network (11) facilitates transmission of a Multimedia Broadcast/Multicast Service to plural user equipment units served by a radio base station. A radio network controller node (26) includes in a first message (70) of a Common Transport Channel Setup procedure an indication that sharing of a common transport bearer (60) involved in a session of the Multimedia Broadcast/Multicast Service is allowed. A radio base station (28) makes a determination whether to share the common transport bearer (60) among user equipment units (30) situated in plural cells (C) served by the radio base station (28). If the determination is positive, the radio base station (28) includes in a second message (80) of the Common Transport Channel Setup procedure an identification of an already-established channel to be used as the shared common transport bearer. The radio network controller (26) then uses the already-established channel as the shared common transport bearer for transmitting Multimedia Broadcast/Multicast Service user data to user equipment units (30) situated in plural cells served by the radio base station.

L'invention concerne un réseau d'accès radio (11) facilitant la transmission d'un service de diffusion/multidiffusion multimédia à plusieurs unités d'équipements d'utilisateurs desservies par une station de base radio. Un nAEud de contrôleur de réseau radio (26) inclut dans un premier message (70) d'une procédure de configuration de canal de transport commun une indication que le partage d'un support de transport commun (60) impliqué dans une session du service de diffusion/multidiffusion multimédia est permis. Une station de base radio (28) détermine s'il faut partager le support de transport commun (60) entre des unités d'équipements d'utilisateurs (30) situées dans plusieurs cellules (C) desservies par la station de base radio (28). Si la détermination est positive, la station de base radio (28) inclut dans un second message (80) de la procédure de configuration de canal de transport commun une identification d'un canal déjà établi à utiliser comme support de transport commun partagé. Le contrôleur de réseau radio (26) utilise ensuite le canal déjà établi comme support de transport commun partagé pour transmettre des données d'utilisateurs du service de diffusion/multidiffusion multimédia à des unités d'équipements d'utilisateurs (30) situées dans plusieurs cellules desservies par la station de base radio.

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