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Exploiting Ubiquitous Data Collection for Mobile Users in Wireless Sensor Networks
Feb. 2013 (vol. 24 no. 2)
pp. 312-326
Zhenjiang Li, Hong Kong University of Science and Technology, Hong Kong
Yunhao Liu, Hong Kong University of Science and Technology, Hong Kong
Mo Li, Nanyang Technological University, Singapore
Jiliang Wang, Hong Kong University of Science and Technology, Hong Kong
Zhichao Cao, Hong Kong University of Science and Technology, Hong Kong
We study the ubiquitous data collection for mobile users in wireless sensor networks. People with handheld devices can easily interact with the network and collect data. We propose a novel approach for mobile users to collect the network-wide data. The routing structure of data collection is additively updated with the movement of the mobile user. With this approach, we only perform a limited modification to update the routing structure while the routing performance is bounded and controlled compared to the optimal performance. The proposed protocol is easy to implement. Our analysis shows that the proposed approach is scalable in maintenance overheads, performs efficiently in the routing performance, and provides continuous data delivery during the user movement. We implement the proposed protocol in a prototype system and test its feasibility and applicability by a 49-node testbed. We further conduct extensive simulations to examine the efficiency and scalability of our protocol with varied network settings.
Index Terms:
Mobile communication,Routing,Mobile computing,Protocols,Wireless sensor networks,Vegetation,TV,mobile user,Wireless sensor networks,data collection
Citation:
Zhenjiang Li, Yunhao Liu, Mo Li, Jiliang Wang, Zhichao Cao, "Exploiting Ubiquitous Data Collection for Mobile Users in Wireless Sensor Networks," IEEE Transactions on Parallel and Distributed Systems, vol. 24, no. 2, pp. 312-326, Feb. 2013, doi:10.1109/TPDS.2012.92
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