XU Juan, JIANG Changjun, GUO Aihuang, HONG Yongfa, LI Shu and WANG Cheng. Upper Bounds on Lifetime of Three DimensionalExtended UWB Sensor Networks[J]. Chinese Journal of Electronics, 2010, 19(2): 307-312.
Citation: XU Juan, JIANG Changjun, GUO Aihuang, HONG Yongfa, LI Shu and WANG Cheng. Upper Bounds on Lifetime of Three DimensionalExtended UWB Sensor Networks[J]. Chinese Journal of Electronics, 2010, 19(2): 307-312.

Upper Bounds on Lifetime of Three DimensionalExtended UWB Sensor Networks

  • Received Date: 1900-01-01
  • Rev Recd Date: 1900-01-01
  • Publish Date: 2010-04-05
  • The upper bounds on lifetime of three
    dimensional extended Time hopping impulse radio Ultra-
    wide band (TH-IR UWB) sensor networks are derived us-
    ing percolation theory arguments. The TH-IR UWB sen-
    sor network consists of n sensor nodes distributed in a cube
    of edge length n1=3 according to a Poisson point process
    of unit intensity. It is shown that for such a static three
    dimensional extended TH-IR UWB sensor network, the
    upper bound on the lifetime is of order O(n¡1), while in
    the ideal case, the upper bound on the lifetime is longer
    than that of a static network by a factor of n2=3. There-
    fore sensor nodes moving randomly in the deployment area
    can improve the upper bound on network lifetime. The re-
    sults also reveal that the upper bounds on network lifetime
    decrease with the number of nodes n, thus extended TH-
    IR UWB sensor networks aren't prone to be employed in
    large-scale network.
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