Broadcast messaging in wireless communication networks

1. A method for receiving an emergency broadcast message in a wireless communication device, the method comprising:

receiving, at the wireless communication device, an emergency alert configuration message,

the emergency alert configuration message identifying which sub-message of an emergency broadcast message comprising a collection of sub-messages to be received by the wireless communication device;

configuring the wireless communication device to receive only the sub-message of the emergency broadcast message in accordance with the emergency alert configuration message; and

receiving only the sub-message of the emergency broadcast message identified by the emergency alert configuration message.

2. The method of claim 1 , wherein the sub-messages of the emergency broadcast message are each in a different language.

3. The method of claim 1 , wherein the sub-messages being intended for reception by different groups of users.

4. A wireless communication device comprising:

a receiver configured to receive an emergency alert configuration message,

the emergency alert configuration message identifying which sub-message of an emergency broadcast message comprising a collection of sub-messages to be received by the wireless communication device;

the wireless communication device configured to receive only the sub-message of the emergency broadcast message identified by the emergency alert configuration message.

5. The device of claim 4 , wherein the sub-messages of the emergency broadcast message are each in a different language.

6. The method of claim 4 , wherein the sub-messages are intended for reception by different groups of users.