Friday 22 November 2013

Path Planning Algorithm for Mobile Anchor-Based Localization in Wireless Sensor Networks

Abstract:

             Existing system presents a path planning scheme, which ensures that the trajectory of the mobile anchor node minimizes the localization error and guarantees that all of the sensor nodes can determine their locations. The obstacle-resistant trajectory is also proposed to handle the obstacles in the sensing field. In the localization scheme, a single mobile anchor node moves randomly through the sensing field broadcasting periodic three beacon messages containing its current coordinates. The locations of the individual sensor nodes are determined by exploiting the fact that the perpendicular bisector of a chord of a mobile anchor passes through the center of the circle twice. The obstacle resistant trajectory is solved through virtual beacon point generation.



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