H - Electricity – 04 – W
Patent
H - Electricity
04
W
H04W 68/00 (2009.01) H04J 99/00 (2009.01) H04W 4/06 (2009.01) H04W 60/00 (2009.01) H04J 11/00 (2006.01) H04M 3/00 (2006.01)
Patent
CA 2742013
A communication system includes a unicast base station device, a multicast base station device, and a mobile station device. Before receiving information concerning a multicast service, the mobile station device transmits, to a position register server, identification information identifying a reception area in which a multicast service is provided. When receiving incoming call information indicating that information concerning a unicast service has been received, the multicast base station device transmits the incoming call information to the mobile station device. The mobile station device receives the incoming call information even while receiving the information concerning the multicast service.
La présente invention porte sur un système de communication comprenant un dispositif de station de base d'monodiffusion, un dispositif de station de base de multidiffusion et un dispositif de station mobile. Avant la réception d'informations se rapportant à un service de multidiffusion, le dispositif de station mobile transmet à un serveur d'enregistrement de position un identifiant pour identifier la zone de réception qui offre le service de multidiffusion. Lors de la réception d'informations d'arrivée indiquant que les informations se rapportant au service d'monodiffusion sont arrivées, le dispositif de station de base de multidiffusion transmet les informations d'arrivée au dispositif de station mobile. Le dispositif de station mobile reçoit les informations d'arrivée même lorsque les informations se rapportant au service de multidiffusion sont reçues.
Ishikura Katsutoshi
Kameno Toshiaki
Konno Yoshio
Tsunekawa Koichi
G. Ronald Bell & Associates
Sharp Kabushiki Kaisha
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