Effective Node Deployment in Sparse Mobile Sensor Networks

  • Treeprapin Kriengsak
    Department of Mathematics, Statistics and Computer, Faculty of Science, Ubon Ratchathani University
  • Kanzaki Akimitsu
    Department of Multimedia Engineering, Graduate School of Information Science and Technology, Osaka University
  • Hara Takahiro
    Department of Multimedia Engineering, Graduate School of Information Science and Technology, Osaka University
  • Nishio Shojiro
    Department of Multimedia Engineering, Graduate School of Information Science and Technology, Osaka University

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Abstract

In this paper, we propose DATFM/DA (Data Acquisition and Transmission with Fixed and Mobile node with Deployment Adjusting), which is an extension of our previous mobile sensor control method, DATFM. DATFM/DA uses two types of sensor nodes, fixed node and mobile node. The data acquired by the nodes are accumulated on a fixed node before being transferred to the sink node. DATFM/DA divides the target region into multiple areas, and statically deploys mobile nodes to each divided area. In addition, DATFM/DA adjusts the number of mobile nodes deployed in each area based on the analysis of the performance. We also conduct simulation experiments to verify that this method further improves the performances of sensing and data transfer.

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