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Node Localization plays an important role in the applications of wireless sensor networks (WSNs). The whole localization mechanism of WSN target nodes consists of three key steps, the identification and data exchange step, the range estimation step, and the position estimation step. Based on the RSSI (Received Signal Strength Indication) technology, the BP (Back Propagation)-loss channel model is...
A UWB-based localization scheme using RSSI-margin Localization algorithm (RMLA) for Wireless Sensor Networks (WSN) is proposed. Specially, this localization scheme chooses every cluster of network as the basic units. Anchor nodes of each cluster use the periodic UWB signals to send their own position information. When target nodes get these information, they estimate distances to these anchor nodes...
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