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Accuracy in range-based localization systems can degrade rapidly in the presence of clutter in the environment. This is due to the incidence of Non-Line-of-Sight (NLOS) distance measurements between the anchors and an unlocalized node. While a large corpus of research work dealt with the scenario where the NLOS distances form a minority of the total distances to anchors, there has been not much research...
Range-based localization techniques can yield unacceptably large errors when used in cluttered environments. Clutter in the environment leads to large distance measurement errors due to non-line-of-sight (NLOS) signal propagation. In this paper, we focus on the localization of a mobile node in clutter using a multi-hop localization method, namely DV-Distance, and suggest that node mobility is key...
Accurate localization in wireless sensor actuator networks (WSANs) is crucial since a primary purpose in their deployments is accomplishing tasks based on a spatial dimension in the environment — be it sensor data collection or actuation.
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