Node Localization for Wireless Sensor Networks based on Self-Organizing Maps Algorithm

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Self-Organizing Localization (SOL) for wireless sensor networks was established. SOL provides a high accuracy for the estimation on sensor node location, by using a small number of anchor nodes, and without measurement device for distance from neighbor node. SOL was evaluated by both of network simulator and its implementation system by using XBee and Arduino. On both evaluations by using IEEE802.15.4 as wireless media, it provided the estimated sensor node location with less error than 1m.