Abstract
Target tracking is regarded as one of the key applications of wireless sensor networks (WSNs). Due to the limited energy in sensor nodes, reducing energy consumption while maintaining acceptable accuracy is an important issue in target tracking. Previous work usually awakens only those nodes adjacent to the target to save power. However, simple full-flood routing protocol used in those work for awakening brings significant communication overhead, which consumes energy two more orders of magnitude compared with computing. In this paper, we proposed a novel routing protocol with non-equal-probabilistic forwarding to reduce communication overhead. In our protocol, sensor nodes forward packets with a probability which is mainly determined by how much the node’s location deviates from the direction of target motion. The simulation results show that our protocol can save energy by 30% while tracking a moving target.
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Diao, B., Li, P., An, Z., Wang, F., Xu, Y. (2014). MRP-NEP: A Non-Equal-Probability Multicast Routing Protocol for Target Tracking in Wireless Sensor Networks. In: Jeong, H., S. Obaidat, M., Yen, N., Park, J. (eds) Advances in Computer Science and its Applications. Lecture Notes in Electrical Engineering, vol 279. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-41674-3_30
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DOI: https://doi.org/10.1007/978-3-642-41674-3_30
Publisher Name: Springer, Berlin, Heidelberg
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