Abstract
Data storage has become an important issue for energy efficient data management in sensor networks. In this paper, we investigate the optimized storage placement problem in large scale sensor networks, aiming to achieve minimized energy cost. In order to efficiently deal with large scale deployment areas with irregular shape, we propose to utilize the hop as the computation unit instead of the node, such that computation complexity can be greatly reduced. We propose methodologies to solve the optimization problem both in situations for limited and unlimited numbers of storage units. The ultimate goal of this paper is to give fundamental guidance for optimized storage placement in large scale sensor networks. Simulation results show that our methodologies can greatly reduce the overall energy consumption compared to other strategies.
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Dr. Lei Xie is an associate professor of Department of Computer Science and Technology, Nanjing University, China. His research interests include sensor networks, RFID systems, vehicular networks, and high performance computing. As the first author, he has published papers in IEEE Transaction on Parallel and Distributed Systems, ACM MobiHoc, IEEE INFOCOM, IEEE ICNP, IEEE GLOBECOM, MobiQuitous, etc. He is a member of ACM, IEEE and a senior member of CCF.
Dr. Sanglu Lu is a professor and PhD supervisor of Department of Computer Science and Technology, Nanjing University, China. Her research interests include distributed computing, pervasive computing, and wireless networks. She is a member of IEEE and CCF.
Yingchun Cao is with Department of Computer Science and Technology, Nanjing University, China. Her research interests include distributed computing and pervasive computing.
Daoxu Chen is a professor and PhD supervisor of Department of Computer Science and Technology, Nanjing University, China. His research interests include distributed computing, parallel processing, and computer networks. He is a member of ACM, IEEE and a senior member of CCF.
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Xie, L., Lu, S., Cao, Y. et al. Towards energy-efficient storage placement in large scale sensor networks. Front. Comput. Sci. 8, 409–425 (2014). https://doi.org/10.1007/s11704-014-2278-8
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DOI: https://doi.org/10.1007/s11704-014-2278-8