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Power-aware routing, have been studied to avoid energy-scarce sensors and achieve network lifetime improvement but recently, it was noticed that sink mobility can also be used to improve network lifetime by avoiding excessive transmission overhead at nodes that are close to the location that would be occupied by a static sink. Also in many situations, a static sink may be unfeasible because of deployment...
One of the most important challenges we must cope with in wireless sensor networks is the energy problem. In these networks, nodes have no unique addresses and are identified by the data gathered by them. Therefore routing is not straightforward considering energy constraints. Directed Diffusion is a data-centric routing protocol design for WSNs. Although this protocol adapts well with the situations...
Directed diffusion is a data-centric routing protocol used in wireless sensor networks and uses only local interaction between neighbor nodes. One of the problems of this approach is the mechanism used for routing selection which mostly, leads to select the shortest path between sinks and sources. In this case the nodes in the shortest path will fail after a short period of time due to lack of energy...
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