Method of operating a mobile communication device and mobile communication system during an emergency situation
First Claim
1. A method of operating a mobile communication device during an emergency situation, comprising:
- receiving at the mobile communication device from a communication system an emergency message;
transitioning the mobile communication device from a regular mode of operation to an emergency mode of operation in response to receiving the emergency message; and
allowing only a status message to be transmitted from the mobile communication device while in the emergency mode of operation.
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Accused Products
Abstract
A mobile communication system (400) provides communication service in a plurality of serving cells. Upon the occurrence of an emergency situation, the mobile communication system determines which of the serving cells are affected by the emergency (402), and begins broadcasting an emergency notification message in the affected cells. Mobile communication devices in the affected cells will only be allowed to communicate a status message to inform others of the user'"'"'s status, or if the user is an emergency subscriber, the emergency subscriber will receive regular communication service. All other communication service requests will be ignored during the emergency situation.
107 Citations
17 Claims
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1. A method of operating a mobile communication device during an emergency situation, comprising:
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receiving at the mobile communication device from a communication system an emergency message;
transitioning the mobile communication device from a regular mode of operation to an emergency mode of operation in response to receiving the emergency message; and
allowing only a status message to be transmitted from the mobile communication device while in the emergency mode of operation. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A method of operating a mobile communication system during an emergency situation, comprising:
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determining which of a plurality of serving cells of the mobile communication system are affected cells, the affected cells being serving cells affected by the emergency situation, broadcasting in each of the affected cells an emergency notification message; and
providing communication service to mobile communication devices which are either transmitting a status message or are known emergency responders, and denying communication service to all other mobile communication devices.
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15. A method of operating a mobile communication system during an emergency situation, comprising:
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receiving a channel request from a mobile communication device at a base station, the base station having been determined to be in an area affected by the emergency situation;
if the channel request indicates the mobile communication device intends to transmit a status message, granting the request, receiving the status message from the mobile communication device and forwarding the status message to a remote party. if the channel request indicates the mobile communication device is an emergency subscriber, granting the request and allowing the emergency subscriber to have normal communication service; and
ignoring the channel request if the channel request is not from an emergency subscriber or for transmitting a status message.
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16. A method of operating a mobile communication device of an emergency subscriber during an emergency situation, comprising:
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transmitting a communication service request to a base station, the base station operating in an emergency mode, the communication service request containing a subscriber identifier for identifying emergency subscriber;
receiving at the mobile communication device a channel assignment indicating an assigned channel to be used by the emergency subscriber; and
commencing communication on the assigned channel.
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17. A method of operating a mobile communication system during an emergency situation, the mobile communication system having an emergency profile server, the method comprising:
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receiving a status service request over a random access channel at a base station of the mobile communication system from a subscriber;
retrieving an emergency profile corresponding to the subscriber, the emergency profile indicating at least one party to be contacted in the event of an emergency situation; and
transmitting a status message to the at least one party indicated in the emergency profile.
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Specification