Method and apparatus for emergency broadcast using an...

Details Method and apparatus for emergency broadcast using an... Method and apparatus for emergency broadcast using an...

H - Electricity

04

W

H04W 4/06 (2009.01) H04W 52/02 (2009.01)

Patent

CA 2675251

Methods, apparatus and media for receiving emergency broadcast information in a broadcast-multicast service of a communication system. The methods, apparatus and media include scheduling a broadcast of emergency broadcast information in designated control channel cycles for designated subscriber stations. The control channel cycles are transmitted with the designated control channel cycles including the emergency broadcast information. Subscriber stations awake according to their designated control channel cycle and receive the transmission of their designated control channel cycle on a broadcast-multicast service. The subscriber station determines if emergency broadcast information is in the control channel cycle assigned to the subscriber station and responds accordingly.

L'invention concerne des procédés, un appareil et un support pour recevoir des informations de diffusion d'urgence dans le service de diffusion-multidiffusion d'un système de communication. Les procédés, appareil et support comprennent la programmation d'une diffusion d'informations de diffusion d'urgence dans des cycles de canaux de commande désignés pour des postes d'abonnés désignés. Les cycles de canaux de commande sont transmis avec les cycles de canaux de commande désignés comprenant les informations de diffusion d'urgence. Les postes d'abonnés sont alertes selon leur cycle de canal de commande désigné et reçoivent la transmission de leur cycle de canal de commande désigné sur un service de diffusion-multidiffusion. Le poste d'abonné détermine si les informations de diffusion d'urgence se trouvent dans le cycle de canal de commande attribué au poste d'abonné et répond en conséquence.

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