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A lot of research is done in the field of wireless sensor networks, particularly in the field of ad-hoc networks. Large-scale real-time wireless networks for factory automation are hardly covered by existing research. Such networks usually have thousands of nodes, which makes simulation a necessity for system validation. Discrete Event Simulators (DES) are efficient tools to do so, but their event...
In multihop wireless sensor networks, global clock error will accumulate as the hops grow. Sensors far away from the root are likely to suffer larger synchronization errors, which may deteriorate the accuracy of sensing data or even result in the failure of TDMA MAC protocols. A novel algorithm based on vector Kalman filter using multiple parents (KFMP) is proposed to address this problem. It's pointed...
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