H - Electricity – 04 – H
Patent
H - Electricity
04
H
H04H 20/72 (2008.01) H04L 12/18 (2006.01) H04N 7/16 (2006.01) H04Q 7/32 (2006.01)
Patent
CA 2501191
A communication system (100) that includes a Multimedia Broadcast Multicast Service (MBMS) service provides re-broadcasts of an event to subscribers (102- 104) to the MBMS service. An infrastructure (124) included in the communication system and comprising a server (118) coupled to a RAN controller (114) via a support node (116) receives a first set of MBMS data from an MBMS content provider (127) and conveys the first set of MBMS data along with an associated first Session Description to a subscribed mobile station (102-104). The infrastructure then receives a second set of MBMS data from the MBMS content provider, wherein the second set of MBMS data comprises a re- conveyance of the first set of MBMS data, and conveys an MBMS notification along with an associated second Session Description to the mobile station. The mobile station may then determine whether to receive the re-conveyance based on the first and second Session Descriptions.
L'invention concerne un système de communications (100) qui comprend un service de multidiffusion multimédia (Multimedia Broadcast Multicast Service (MBMS)) assurant la rediffusion d'événement aux abonnés (102-104) du service MBMS. On décrit une infrastructure (124) du système de communications qui comprend un serveur (118) couplé à un contrôleur d'accès au réseau de radiocommunications 114) via un noeud support (116), recevant une première série de données MBMS depuis un fournisseur de contenu MBMS (127) et acheminant cette série ainsi qu'une première description de session associée à une station mobile d'abonné (102-104). L'infrastructure reçoit ensuite une seconde série de données MBMS depuis le fournisseur de contenu MBMS, laquelle comprend un réacheminement de la première série, et achemine une notification MBMS ainsi qu'une seconde description de session associée vers la station mobile, qui peut ensuite déterminer s'il faut recevoir le réacheminement sur la base des deux descriptions.
Cai Zhijun
Chen Bonnie
Gowling Lafleur Henderson Llp
Motorola Inc.
Motorola Mobility Inc.
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