Panichpapiboon, Sooksan

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Panichpapiboon, Sooksan
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sooksan.pa@kmitl.ac.th

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    Item type:Publication,
    Connectivity of ad hoc wireless networks: An alternative to graph-theoretic approaches
    (2010-04-01)
    Panichpapiboon, Sooksan
    ;
    Ferrari, Gianluigi
    ;
    Tonguz, Ozan K.
    Connectivity in wireless ad hoc and sensor networks is typically analyzed using a graph-theoretic approach. In this paper, we investigate an alternative communication-theoretic approach for determining the minimum transmit power required for achieving connectivity. Our results show that, if there is significant multipath fading and/or multiple access interference in the network, then graph-theoretic approaches can substantially underestimate the minimum transmit power required for connectivity. This is due to the fact that graph-theoretic approaches do not take the route quality into consideration. Therefore, while in scenarios with line-of-sight (LOS) communications a graph-theoretic approach could be adequate for determining the minimum transmit power required for connectivity, in scenarios with strong multipath fading and/or multiple access interference a communication-theoretic approach could yield much more accurate results and, therefore, be preferable. © Springer Science+Business Media, LLC 2009.