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Localization is one of the most important issues in Wireless Sensor Networks (WSNs). A lot of effort has been devoted to this issue which can be broadly classified into two categories: range-based schemes and range-free schemes. This paper proposes a range-free localization scheme by utilizing mobile anchors. Each mobile anchor is assumed to be able to know its current position with specific hardware...
Efficient sensor localizations are techniques for efficiently identifying sensors' positions for different Wireless Sensor Networks (WSNs) applications (e.g., environmental monitoring). Most existing localization techniques are designed for low scale sensor networks. Moreover, existing localization approaches are mostly range based that use some powerful nodes equipped with expensive GPS and/or extra...
Node localization which is determining where a given node is physically or relatively located is extremely crucial for most of the applications in wireless sensor network. In this article, we review and describe the taxonomy and fundamental localization methods. The current research in WSN localization algorithms are introduced, analyzed and concluded. The point is that no single algorithm performs...
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