Cellular base station broadcast method and system

Details Cellular base station broadcast method and system Cellular base station broadcast method and system

2006-05-02

2006-05-02

Gelin, Jean (Department: 2688)

Telecommunications

Radiotelephone system

Emergency or alarm communication

C455S412100, C455S567000

Reexamination Certificate

active

07039386

ABSTRACT:
In the method, an emergency broadcast station receives report of an impending or current disaster-related situation from a local authority. The geographic area to be affected by the impending or current disaster-related situation is served by an existing communication system, such as a cellular network. The emergency broadcast station generates a signal representing an emergency broadcast message that contains a frequency of an accessible main emergency channel at the emergency broadcast station, and a priority level classifying the emergent or impending disaster-related situation. The signal is transmitted to one or base stations, each serving a plurality of users of the system, which in turn send the signal to the users. The users tune to the frequency of the channel to receive the emergency broadcast message.

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