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A wireless ad hoc network consists of a collection of nodes communicating without a-priori known traffic pattern. In contrast to cellular networks, nodes in an ad hoc network must organize network topology and exchange information concerning the network state. The interrelation of many components of ad hoc networks such as Medium Access Control (MAC), routing, topology control, security, energy expenditure and their interdependencies are still not fully understood and are subject to research. In particular, an appropriate description of the capacity of ad hoc networks has not been found yet as traditional information theoretic approaches fail.
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