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    Please use this identifier to cite or link to this item: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/37294

    Title: On Target Coverage in Wireless Heterogeneous Sensor Networks with Multiple Sensing Units
    Authors: Shih, Kuei-ping;Wang, San-yuan;Chen, Hung-chang;Liu, Bo-jun
    Contributors: 淡江大學資訊工程學系
    Date: 2007-07-01
    Issue Date: 2010-04-15 10:03:37 (UTC+8)
    Publisher: Piscataway: Institute of electrical and electronics engineers (IEEE)
    Abstract: The paper considers the target coverage problem in wireless heterogeneous sensor networks (WHSNs) with multiple sensing units. The paper reduces the problem to a set cover problem and further formulates it as integer programming (IP) constraints. Moreover, two heuristic but distributed schemes, remaining energy first scheme (REFS) and energy efficient first scheme (EEFS), are proposed to solve the target coverage problem. Simulation results show that REFS and EEFS effectively prolong the network lifetime. In addition, EEFS outperforms REFS in network lifetime.
    Relation: Computers and Communications, 2007. ISCC 2007. 12th IEEE Symposium on, pp.185-190
    DOI: 10.1109/ISCC.2007.4381558
    Appears in Collections:[Graduate Institute & Department of Computer Science and Information Engineering] Proceeding

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