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This paper addresses the optimality of Network topology for localization purposes when measurements are range-only. Localization procedures based on TOA and TDOA range measurements are considered in this paper. As of now, the optimal placement of fixed terminals to locate mobile terminals has been studied based on Cramer-Rao Lower Bound (CRLB). CRLB is a universal bound on the variance of a general...
In this paper we analyze the impact of correlation in both node locations and sensed phenomenon on the performance of distributed compression. In particular, we consider the optimization of wireless sensor networks (WSNs) in realistic environments. Distributed source coding (DSC) is a compression technique performed by, for example, data gathering applications in which energy consumption and bandwidth...
Localization of Wireless Sensor Networks (WSNs) is an issue for location-based services. This paper proposes a new Wireless Sensor Network Localization Scheme based on Self-Organizing Maps (SOM) to deal with this issue. Our scheme utilizes only connectivity information and information from some heard anchors in the network to determine the location of nodes. With anisotropic topologies or topologies...
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