An Energy-Efficient Tracking Algorithm Based on Gene Expression Programming in Wireless Sensor Networks
ICISE '09 Proceedings of the 2009 First IEEE International Conference on Information Science and Engineering(2009)
摘要
Wireless Sensor Networks (WSNs) are widely used in detecting, locating and tracking moving objects. The cheap, low-powered and energy-limited sensors that are set up in large areas may consume large portion of energy and disable the whole network. In this paper, a new energy-efficient method based on Distributed Incremental Gene Expression Programming is proposed to discover the moving patterns of moving objects in order to turn on/off some sensor nodes at certain time to save energy. The main contributions include: a) Distributed GEP methods are used to perform collaborative mining the patterns of moving objects, b) adjustable sliding window are adopted to balance the trade-off of the high accuracy and low energy consumption, c) simulation results show that the proposed GEP-based motion prediction algorithm can greatly improve the tracking efficiency, increase the lifetime of the network by around 25% compared to other tracking algorithms, i.e., EKF and ECPA
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关键词
low energy consumption,tracking algorithm,tracking efficiency,large area,large portion,proposed GEP-based motion prediction,whole network,GEP method,Incremental Gene Expression Programming,Wireless Sensor Networks,Energy-Efficient Tracking Algorithm
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