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    Please use this identifier to cite or link to this item: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/37269


    Title: Integrating Target Coverage and Connectivity for Wireless Heterogeneous Sensor Networks with Multiple Sensing Units
    Authors: Shih, Kuei-ping;Chen, Hung-chang;Liu, Bo-jun
    Contributors: 淡江大學資訊工程學系
    Date: 2007-11-19
    Issue Date: 2010-04-15 10:00:27 (UTC+8)
    Publisher: Institute of electrical and electronics engineers (IEEE)
    Abstract: The paper considers the target coverage and connectivity problem in wireless heterogeneous sensor networks (WHSNs) with multiple sensing units. The paper reduces the problem to a connected set cover problem and further formulates it as integer programming (IP) constraints. Two heuristic but distributed schemes, remaining energy first scheme (REFS) and energy efficient first scheme (EEFS), are proposed to solve the target coverage and connectivity problem. Simulation results show that REFS and EEFS can prolong the network lifetime effectively. Furthermore, EEFS outperforms against REFS in network lifetime.
    Relation: Networks, 2007. ICON 2007. 15th IEEE International Conference on, pp.419-424
    DOI: 10.1109/ICON.2007.4444123
    Appears in Collections:[Graduate Institute & Department of Computer Science and Information Engineering] Proceeding

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