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To obtain a trade-off between location accuracy and implementation cost, recursive localization schemes are being pursued as a cost-effective alternative to more expensive localization approaches, where localization information increases progressively as new nodes compute their positions and become themselves reference nodes. A strategy is then required to control and maintain the distribution of...
Wireless Sensor Network (WSN) is composed of sensor nodes deployed to achieve some specific task. Localization of individual mobile node is a challenging task in wireless sensor networks. Localization system is not only for location identification but also provides the base for routing, density control, tracking, and a number of other communication network aspects. In real time applications of outdoor...
In wireless sensor networks where the nodes are equipped with limited energy sources, energy consumption is a crucial parameter of each part of a node activity. This paper deals with node localization based on received signal strength (RSS). The signal power at receiving node is influenced by several stochastic factors. To eliminate so called RSS uncertainty, several measurements of signal strength...
Secure communication of the location information or localization of sensor nodes in an adversarial environment is a high priority yet a challenging task. Wireless sensor networks are characterized by severe constraints such as memory, energy, processing and operational environment. Unlike other wireless networks, a sensor network has to be highly sensitive to energy consumption. Complexity and power...
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