| 摘要 |
A system and method for sending and receiving messages, such as status or request-for-help messages, automatically between mobile nodes and ultimately to an appropriate destination via a wireless infrastructure. When a node determines that such infrastructure is not available, the node will communicate the necessary information to another mobile node located in, for instance, a vehicle. In this case, the receiving node stores the information, then transmits the information from that node to the wireless infrastructure equipment, so that the infrastructure can forward the message to an appropriate destination once such equipment is in range of this second node.
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