2009 IEEE International Conference on
Systems, Man, and Cybernetics |
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Abstract
Wireless sensor networks (WSNs) have been applied in areas such as military surveillance, environmental monitoring, habitat and structural monitoring, domotics, battlefield surveillance and robotics. The aim of this survey is to present the state-of-the-art in localization algorithms which consider the combination of different factors such as localization schemes, propagation models, communication protocols, traffic patterns analysis and sensor location logic, the last one represents the inherent characteristic of the object to which the sensor is attached to. We believe that the precision of the algorithms can be improved by the consideration of these factors as whole rather than as isolated effects. A classification and the main solutions for each factor is presented. The advantages, performance issues and the relation of the solutions with the other factors are discussed. The article concludes with opened research questions and possible further research directions