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Wireless sensor networks are highly useful for many location-sensitive applications. The position of each node is assumed in most wireless sensor networks, which can make the sensed information meaningful. Finding position without GPS is important when GPS is not accessible or not practical to use. Typically, with the positions of only a few sensors predetermined, localization algorithms work for...
With the proliferation of location dependent applications in sensor networks, localization awareness becomes an essential capability of sensor nodes. Many localization algorithms have been proposed in recent years, in which DV-Hop is the most popular one. Intrinsically, localization is an optimization problem based on various distance/path measures. GA and SA are both widely used approaches toward...
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