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    An auv location prediction-based data collection scheme for underwater wireless sensor networks

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    Date
    2019
    Author
    Han G.
    Long X.
    Zhu C.
    Guizani M.
    Bi Y.
    Zhang W.
    ...show more authors ...show less authors
    Metadata
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    Abstract
    In this paper, an autonomous underwater vehicle (AUV) location prediction (ALP)-based data collection scheme (ALP) has been proposed to overcome high and unbalanced energy consumption for underwater wireless sensor networks. In our scheme, an AUV travels around the network, follows a predefined trajectory, and collects data from the sensor nodes. The nodes near the trajectory send their data to the AUV directly, while the others send data to their neighbors that are closer to the trajectory. To overcome the 'hot region' problem, which means the nodes near the trajectory of the AUV consume energy faster and die early, a trajectory adjustment mechanism is applied. A mathematical model is proposed to adjust the trajectory periodically. To guarantee an efficient communication between the nodes and the AUV, a reliable time mechanism is proposed. In this mechanism, only the nodes with a sufficient amount of time are capable to communicate and send their data to the AUV directly. The analyses and simulation results validate that our proposed ALP prolongs the network lifetime and has a higher packet delivery ratio than the existing protocols.
    DOI/handle
    http://dx.doi.org/10.1109/TVT.2019.2911694
    http://hdl.handle.net/10576/13430
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    • Computer Science & Engineering [‎1669‎ items ]

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