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During a disaster, communications are usually impaired. In order for the rescuers and endangered civilians to communicate, the authors suggest the use of mobile robots that can act as wireless routers. They describe how they can locate trapped civilians and initiate an ad hoc network connection between them and the rescuers, so that the latter can better assess the situation and plan the rescue operation accordingly. The novel problem that arises is the optimal allocation of these robots so that they connect as many civilians as possible, while maintaining their multi-hop connection with a static wireless sink that represents the group of rescuers.
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