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We consider the online data gathering problem in wireless sensor networks and examine the key issues of load balancing the nodes to achieve longer network lifetime, and that of load balancing the network links to achieve greater reliability in the network. We model the given network as a shortest-path DAG D, which defines a set of parent nodes for each node that determine the minimum-hops paths from...
This paper proposes a distributed routing protocol for ad hoc sensor networks which uses fuzzy logic. Each sensor uses a fuzzy decision making process to find the best cluster head. Simulation shows that this protocol is able to dynamically adapt to sensorspsila mobility and failure. By a new load balancing method, it provides also stable clusters and so a cluster head have greater lifetime, which...
For extending the lifetime of sensor networks by improving load balancing in wireless sensor networks, the cluster-based multi-path routing protocol, CLBM, has been studied in this paper. In CLBM, theory of space and time localization has been introduced in the process of cluster head reselecting, cluster node will select the cluster head according to residual energy and the nearest distance between...
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