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Ad hoc network is a collection of a large number of wireless devices capable to move in an unspecified geographical area. In this paper it is a question of the geocasting which is an alternative of the multicasting problem in mobile ad hoc networks. We suggest two algorithms of geocasting in which the nodes are located without GPS. After their deployment, nodes execute a distributed algorithm of localization...
In 1999, S. Basagni has presented the DMAC algorithm (Distributed Mobility-Adaptive Clutering) that partitions the nodes of a mobile ad hoc network into clusters, thus giving the network a hierarchical organization. This algorithm supports the mobility of the nodes, even during the cluster formation. Its main feature is that it considers weighted networks to choose the clusterheads, in contrary to...