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Several routing algorithms that exploit geographic information (e.g., GPSR) have been proposed. These algorithms refer to the nodes by their location, not address, and use this information to route greedily, when possible, towards the destination. However, there are many situations where location information is not available at the nodes, and so geographic methods cannot be used. In this paper, the authors propose a geographic multipath routing protocol for an Infrastructural Wireless Mesh Network. They designed a novel topology and defined a scalable coordinate construction scheme that does not rely on location information.
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